CN105496689B

CN105496689B - A kind of medical bed motion profile implementation method with transfer patient's function

Info

Publication number: CN105496689B
Application number: CN201510874897.5A
Authority: CN
Inventors: 张合明
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-02
Filing date: 2015-12-02
Publication date: 2019-01-04
Anticipated expiration: 2035-12-02
Also published as: CN105496689A

Abstract

The invention discloses a method for realizing the motion trajectory of a medical bed with the function of transferring a patient. , The second controller, the third controller and the second controller work, which can realize the continuous rotation, lifting, translation, descending and ascending actions of the first bed plate and the second bed plate, which improves the continuity of the action. As long as the position of the wheelchair is fixed in advance, the escort can rotate the patient by operating the driving screw, and the movement is stable, the movement is continuous, the operation is simple, and the operation by one person is realized, and it is in line with the characteristics of the human body and will not cause discomfort; It does not affect the normal use function of the medical bed; the medical bed can realize the activities of the body muscles, and the reciprocating operation of steps 1 and 2 of the above implementation method can realize the activities of the body muscles, which can reduce the long-term compression of the body muscles and blood vessels, and reduce blood flow. Risk of sluggishness and muscle wasting.

Description

A kind of medical bed motion profile implementation method with transfer patient's function

Technical field

The present invention relates to a kind of medical bed motion profile implementation methods with transfer patient's function.

Background technique

Medical bed refers to the utensil for being used in human body or other articles, and the effect for being used for body surface is not medication Of science, immunology or the means of metabolism obtain, but may have these means to participate in and play certain booster action；It is used It is intended to reach following expected purpose: (one) prevention of disease, diagnosis, treatment, monitoring, alleviation；(2) to damage or deformity Diagnosis, treatment, monitoring, alleviation, compensation.During the existing patient for looking after physical palsy, in order to reduce the bed of patient Time makes it keep pleasant mood, it usually needs accompanies and attends to and embraces patient onto wheelchair, carries out open air by invalid carriage belt patient Activity, and it is relatively elaborate by the process of patient armful to wheelchair to accompany and attend to, and for the patient of some heavier-weights, accompanies and attends to and is often difficult to do To this point, therefore a kind of medical bed motion profile implementation method with transfer patient's function how is designed, becomes industry skill Art personnel's rope technical problems to be solved.

Summary of the invention

It is an object of the invention to overcome the above deficiencies in the existing technologies, and provide it is a kind of reasonable in design, Medical bed motion profile implementation method with transfer patient's function.

Technical solution used by the present invention solves the above problems is:

A kind of medical bed motion profile implementation method with transfer patient's function, it is characterised in that:

Medical bed includes bedrest, bed board and transfer device, and the bed board is fixed on bedrest, the transfer device Including driving mechanism, rotating mechanism, elevating mechanism, translation mechanism and control mechanism, bed board includes bed board main body, is used to support The first bed board part at back and the second bed board part for being used to support knee joint rear portion offer in bed board main body for being embedded in the The mounting groove of one bed board part, the second bed board part, the two sides of the first bed board part are arranged two pieces and put forth effort for being inserted at human body armpit Plate, driving mechanism include the driving screw rod being rotatably installed on bedrest, and the end of screw rod is driven to be provided with rotating disc, rotating disc On be provided with rotational handle；The rotating mechanism includes rotating bracket, the first support plate, the second support plate, back-up roller wheel, first Plate gear and the second support plate gear, first support plate, the second support plate is supported to be arc-shaped, and the first support plate The center of circle, the second support plate the center of circle coincide, to adapt to human body feature (body and lower limb be all using buttocks as the point of rotation), First bed board part and the second bed board part are separately fixed at the upper end of the upper end of the first support plate, the second support plate, and described first It is provided with the guide rail being arc-shaped at left and right sides of fagging and the second support plate, is respectively provided with back-up roller wheel inside and outside guide rail, Back-up roller wheel is pressed on guide rail, is provided with the first rack gear being arc-shaped on the inside or outside of first support plate, and first Rack gear and the first support plate gear engage, and are provided with the second rack gear being arc-shaped on the inside or outside of second support plate, Second rack gear and the second support plate gear engagement, back-up roller wheel, the first support plate gear and the second support plate gear rotation peace In rotating bracket, guide rail is inclined to set with respect to the side of the first support plate and the second support plate, to improve back-up roller The stability of strutting system of wheel, first support plate gear and second support plate gear be separately positioned on the first driving gear two sides and First support plate gear and the second support plate gear drive gear engagement with first；Elevating mechanism includes lifting pedestal, rises Nut, lifting screw, the second driving gear drop, and the lifting nut is mounted in rotating bracket, the lifting nut and lifting Screw rod is by being threadedly engaged, the second sliding tooth wheel drive lifting screw, and lifting screw is in be vertically arranged and be rotatably installed in On lifting pedestal, so that rotating bracket can be moved back and forth vertically with OQ t pedestal；The translation mechanism includes translation Pedestal, translational nut, translation screw rod and third drive gear, and the translational nut is mounted on lifting pedestal, the translation By being threadedly engaged, the third sliding tooth wheel drive translates screw rod for nut, translation screw rod, the translation screw rod be horizontally disposed with and It is rotatably installed on translation pedestal, so that lifting pedestal can be with relative translation pedestal horizontal reciprocating movement；Control mechanism packet Include TRAJECTORY CONTROL wheel, the first controller, second controller, third controller, first controller, second controller, third Controller includes compression bar, hydraulic cylinder and hydraulic clutch, and on the piston rod of compression bar fixer cylinder pressure, hydraulic cylinder passes through oil pipe It is connected to hydraulic clutch, the TRAJECTORY CONTROL wheel is mounted on TRAJECTORY CONTROL nut, and TRAJECTORY CONTROL nut is mounted on track control On screw rod processed, TRAJECTORY CONTROL nut is slidably mounted on translation pedestal, and the hydraulic cylinder of third controller is fixed on translation pedestal, The hydraulic cylinder of first controller, the hydraulic cylinder of second controller are slidably mounted on lifting pedestal, are translated and are provided with the on pedestal One controller track, second controller track, there are two the first controllers to control for setting on the hydraulic cylinder of first controller Wheel, two the first controller control wheels are against the two sides of the first controller track respectively, on the hydraulic cylinder of the second controller There are two second controller control wheel, two second controller control wheels to be against the two sides of second controller track respectively for setting, First controller track is made of the sequentially connected first left control section and the first right control section, the first left control section and One right control section controls the hydraulic cylinder of the first controller far from TRAJECTORY CONTROL wheel and close to TRAJECTORY CONTROL wheel, the second control respectively Device track is made of control section in the sequentially connected second left control section, second and the second right control section, the second left control section, Control section and the second right control section control the hydraulic cylinder of second controller close to TRAJECTORY CONTROL wheel, separate track respectively in second Control wheel and close to TRAJECTORY CONTROL wheel, is rotatably equipped with the first balladeur train in rotating bracket, is rotatablely installed on lifting pedestal There are the first driving tooth shaft and the second balladeur train, the first balladeur train is meshed with the first driving tooth shaft, translates and turn on pedestal Dynamic to be equipped with the second driving tooth shaft, the second balladeur train and the second driving tooth shaft are meshed, the second driving tooth shaft, TRAJECTORY CONTROL spiral shell Bar and driving screw rod linkage, translation screw rod realize linkage via the hydraulic clutch and driving screw rod of third controller, and first is sliding Moving gear realizes linkage via the hydraulic clutch of the first controller and the first driving gear, and the first balladeur train is via the second control The hydraulic clutch of device processed and the second driving gear realize linkage, and medical bed motion profile implementation method includes following implemented step It is rapid:

1) control drives screw turns, and the driving screw rod drives the linear movement of TRAJECTORY CONTROL wheel, and TRAJECTORY CONTROL wheel is first It is pressed on the compression bar of the first controller, to push the hydraulic cylinder of the first controller, generates oil pressure, drive the liquid of the first controller Clutch activity is pressed, to realize the linkage of the first balladeur train and the first driving gear, drives screw rod via the second sliding tooth Axis, the second balladeur train, the first driving tooth shaft drive the first balladeur train, so that the first sliding tooth wheel is finally driven to rotate, from And drive first supports plate gear and the second support plate gear rotation, the first support plate gear and second support plate gear Rotation direction is on the contrary, to which the first support plate of driving, the second support plate are rotated towards opposite direction, so that the first bed board part turns Dynamic human body back, the second bed board part rotate human thigh,

2) when TRAJECTORY CONTROL wheel moves along a straight line to the compression bar of second controller, TRAJECTORY CONTROL wheel and the first controller Compression bar is detached from, so that the hydraulic clutch activity of the first controller, disconnects the linkage of the first balladeur train and the first driving gear, TRAJECTORY CONTROL wheel pushes the hydraulic cylinder of second controller, generates oil pressure, drives the hydraulic clutch activity of second controller, thus Realize the linkage of the first balladeur train and the second driving gear, so that lifting screw is driven to rotate, so that rotating bracket is lifted, from And patient is lifted,

3) when TRAJECTORY CONTROL wheel moves along a straight line to the compression bar of third controller, TRAJECTORY CONTROL wheel and second controller Compression bar is detached from, so that the hydraulic clutch activity of second controller, disconnects the linkage of the first balladeur train and the second driving gear, TRAJECTORY CONTROL wheel pushes the hydraulic cylinder of third controller, generates oil pressure, drives the hydraulic clutch activity of third controller, thus It realizes translation screw rod and drives the linkage of screw rod, to push lifting pedestal relative translation pedestal mobile, when the first bed board part, the When two bed board parts drive patient to be moved to above wheelchair, TRAJECTORY CONTROL wheel is detached from the compression bar of third controller, and lifting pedestal In relative translation pedestal moving process, the first left control section controls the hydraulic cylinder of the first controller far from TRAJECTORY CONTROL wheel, and second The hydraulic cylinder of middle control section control second controller is far from TRAJECTORY CONTROL wheel, to avoid lifting pedestal relative translation pedestal mobile In the process, compression bar and the contact of TRAJECTORY CONTROL wheel of the compression bar of the first controller, second controller, and pass through the second left control section The compression bar of second controller is allowed to revert to the position that TRAJECTORY CONTROL wheel contacts again；

4) when TRAJECTORY CONTROL wheel moves along a straight line to the compression bar of second controller, TRAJECTORY CONTROL wheel withstands a reversal valve, Reversal valve is arranged on the oil pipe on the hydraulic cylinder of second controller and the hydraulic clutch of second controller, so that hydraulic cylinder drives Hydrodynamic pressure clutch, so that the linkage of the first balladeur train and the second driving gear is realized, so that lifting screw be driven reversely to turn It is dynamic, so that patient is placed on the seat of wheelchair, push wheelchair open；

5) driving screw rod is rotated backward, the first bed board part, the second bed board part gradually restore to initial position and be caught in installation In slot.

Preferably, hydraulic clutch includes shaft, cylinder body, piston, First piston bar, the first transmission gear, the second biography Moving gear, the first friction plate and the second friction plate, the first transmission gear are fixed in shaft, and the piston is slidably mounted on cylinder In vivo, hydraulic oil is provided in cylinder body, one end of the First piston bar is fixed on one end of piston, and first friction plate is solid It is scheduled on the other end of the First piston bar, piston, First piston bar are offered for wearing turning for shaft on the first friction plate Shaft mounting hole is realized by spline between the piston and shaft and is connected, so that piston is radially fixed with respect to shaft and living Plug can slide axially with respect to shaft, and hydraulic cylinder is connected to cylinder body by oil pipe, and the second friction plate is fixed on the second transmission gear On, the second transmission gear is rotatably installed in shaft, the second transmission gear of the first controller and the first driving gear engagement, the Second transmission gear of two controllers and the second driving gear engagement, the first transmission gear of the first controller and the second control First transmission gear of device is engaged with the first balladeur train, the first transmission gear and driving screw rod linkage of third controller, institute The second transmission gear and translation screw rod linkage of third controller are stated, the hydraulic clutch of second controller includes second piston Bar, third transmission gear, the 4th transmission gear, third friction plate and the 4th friction plate, one end of second piston bar are fixed on The other end of piston, the fixed third friction plate of the other end of second piston bar, the 4th friction plate are fixed on third transmission gear, Third transmission gear is rotatably installed in shaft, is fixed with the 5th transmission gear on the gear shaft of the second driving gear, third passes Moving gear, the 4th transmission gear, the 5th transmission gear successively engage, and the two of the cylinder body of the hydraulic clutch of the second controller End is connected to two interfaces of three-way diverter valve each by individual oil pipe, and another interface of three-way diverter valve is connected to second The hydraulic cylinder of controller.Using this structure, allowing to continuous rotation driving screw rod in one direction can be thus achieved first Bed board part, the continuous rotation of the second bed board part, rise, translation, decline, vertical motion, improve the continuity of movement.

Preferably, when TRAJECTORY CONTROL wheel moves along a straight line to the tail end of the compression bar of third controller, the second left control Section allows the compression bar of second controller to revert to the position that TRAJECTORY CONTROL wheel contacts, the compression bar of second controller again just Against the tail end of the compression bar of third controller, to improve the continuity of movement.

Preferably, one end of the first bed board part is rotatably installed in the first support plate, opened up on the first bed board part Power board slot puts forth effort plate and is slidably mounted on the putting forth effort in board slot of the first bed board part, is provided in the first bed board part for that will put forth effort plate Head into put forth effort board slot put forth effort plate pressure spring, put forth effort to offer on board slot and put forth effort board slot, be provided in the first bed board part for card Enter to put forth effort the first card slot inserted link of board slot, is provided on the first card slot inserted link and puts forth effort board for heading into the first card slot inserted link First inserted link pressure spring of slot offers support plate card slot in the first support plate, is provided in the first bed board part for being caught in support Second card slot inserted link of board slot is provided with for the second card slot inserted link to be headed into the of support plate card slot on the second card slot inserted link Two inserted link pressure springs, one end of the first bed board part are rotatably equipped with manipulator's handle, and manipulator's handle passes through first connecting rod, the second connection Bar is separately connected the first card slot inserted link, the second card slot inserted link, so as to rotate manipulator when sprung into so that putting forth effort plate Power board slot, and the first support plate of rotation can be operated, so that the first bed board part and patient is facilitated to be detached from.

Preferably, being fixed with ratchet on the first driving gear, pawl is provided with by ratchet, pawl rotation is mounted on rotation It is provided on bracket, in rotating bracket for driving pawl towards the insurance oil cylinder far from the rotation of ratchet direction, insurance oil cylinder connection To the hydraulic cylinder of the first controller, so that insuring oil cylinder when TRAJECTORY CONTROL wheel moves on the compression bar of the first controller Pawl is driven to rotate towards far from ratchet direction, so that the first driving gear can rotate, when TRAJECTORY CONTROL wheel is detached from first On the compression bar of controller, pawl is locked, so that the first driving gear cannot rotate backward, thus the first support plate of guarantee, Second support plate will not be by Gravitational sliding.

Compared with prior art, the present invention having the following advantages that and effect: as long as by the position for pre-fixed wheelchair of accompanying and attending to It sets, can both be driven screw turns by operation, rotation patient can be realized, and move steadily, movement is continuous, and it is easy to operate, One man operation may be implemented, and meet human body feature, not will cause sense of discomfort；The normal usage function of medical bed is not influenced；Doctor Treating bed may be implemented the activity to body muscle, and the step 1 of the above-mentioned implementation method of reciprocating operation, 2 may be implemented to body muscle Activity, it is possible to reduce the oppression of body muscle, blood vessel, reduce thrombosis, muscular atrophy risk.

Detailed description of the invention

Fig. 1 is that the medical bed of the embodiment of the present invention is in the structural schematic diagram under original state.

Structural schematic diagram when Fig. 2 is the first bed board part of the medical bed of the embodiment of the present invention, the rotation of the second bed board part.

Fig. 3 is the mounting structure schematic diagram that the embodiment of the present invention first drives tooth shaft.

Fig. 4 is the mounting structure schematic diagram of the first balladeur train of the embodiment of the present invention.

Fig. 5 is the mounting structure schematic diagram of third of embodiment of the present invention driving gear.

Fig. 6 is the structural schematic diagram of step 1 in medical bed motion profile implementation method of the embodiment of the present invention.

Fig. 7 is the structural schematic diagram of step 2 in medical bed motion profile implementation method of the embodiment of the present invention.

Fig. 8 is the structural schematic diagram of step 3 in medical bed motion profile implementation method of the embodiment of the present invention.

Fig. 9 is the structural schematic diagram of step 4 in medical bed motion profile implementation method of the embodiment of the present invention.

Figure 10 is the mounting structure schematic diagram of the first bed board part of the embodiment of the present invention.

Figure 11 is the structural schematic diagram of ratchet of the embodiment of the present invention.

Specific embodiment

The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair Bright explanation and the invention is not limited to following embodiments.

Referring to Fig. 1-Figure 11, a kind of medical bed motion profile implementation method with transfer patient's function of the present embodiment, institute Stating medical bed includes bedrest 1, bed board 2 and transfer device, and the bed board 2 is fixed on bedrest 1, the transfer device packet Driving mechanism, rotating mechanism, elevating mechanism, translation mechanism and control mechanism are included, bed board 2 includes bed board main body 21, for branch It supports the first bed board part 22 at back and is used to support the second bed board part 23 at knee joint rear portion, opened up in bed board main body 21 useful In the mounting groove 24 for being embedded in the first bed board part 22, the second bed board part 23, the two sides of the first bed board part 22 are arranged two pieces for being inserted into Put forth effort plate 25 at human body armpit, driving mechanism includes the driving screw rod 31 being rotatably installed on bedrest 1, driving screw rod 31 End is provided with rotating disc 32, and rotational handle 33 is provided on rotating disc 32；The rotating mechanism includes rotating bracket 41, first Support plate 42, the second support plate 43, back-up roller wheel 44, first support plate gear 45 and the second support plate gear 46, and described the One support plate 42, the second support plate 43 are arc-shaped, and the center of circle in the center of circle of the first support plate 42, the second support plate 43 is mutually overlapped It closes, to adapt to human body feature (body and lower limb be all using buttocks as the point of rotation), the first bed board part 22 and the second bed board part 23 are separately fixed at the upper end of the upper end of the first support plate 42, the second support plate 43, first support plate 42 and the second support The left and right sides of plate 43 is provided with the guide rail 48 being arc-shaped, and is respectively provided with back-up roller wheel 44, back-up roller inside and outside guide rail 48 Wheel 44 is pressed on guide rail 48, and the inner or outer side of first support plate 42 is provided with the first rack gear 471 being arc-shaped, the One rack gear 471 and the first support plate gear 45 engage, and the inner or outer side of second support plate 43, which is provided with, to be arc-shaped Second rack gear 472, the second rack gear 472 and the second support plate gear 46 engage, back-up roller wheel 44, first support plate gear 45 and Second support plate gear 46 is rotatably installed in rotating bracket 41, and guide rail 48 is with respect to the first support plate 42 and the second support plate 43 Side is inclined to set, so that the stability of strutting system of back-up roller wheel 44 is improved, the first support plate gear 45 and the second support plate Gear 46 is separately positioned on the two sides of the first driving gear 49 and the first support plate gear 45 and the second support plate gear 46 are equal It is engaged with the first driving gear 49；Elevating mechanism includes lifting pedestal 51, lifting nut, the driving gear of lifting screw 52, second 53, the lifting nut is mounted in rotating bracket 41, and the lifting nut and lifting screw 52 are by being threadedly engaged, and described the Two driving gears 53 drive lifting screw, and lifting screw 52 is in being vertically arranged and being rotatably installed on lifting pedestal 51, to make Obtaining rotating bracket 41 can be moved back and forth vertically with OQ t pedestal 51；The translation mechanism includes translation pedestal 61, translation spiral shell Female, translation screw rod 62 and third drive gear 63, and the translational nut is mounted on lifting pedestal 51, the translational nut, By being threadedly engaged, the third driving gear 63 driving translation screw rod 62,62 level of translation screw rod is set translation screw rod 62 It sets and is rotatably installed on translation pedestal 61, so that lifting pedestal 51 can be with 61 horizontal reciprocating movement of relative translation pedestal； Control mechanism includes TRAJECTORY CONTROL wheel 711, the first controller 72, second controller 73, third controller 74, first control Device 72, second controller 73, third controller 74 include compression bar 81, hydraulic cylinder 82 and hydraulic clutch 83, and compression bar 81 is solid On the piston rod for determining hydraulic cylinder 82, hydraulic cylinder 82 is connected to hydraulic clutch 83 by oil pipe, and the TRAJECTORY CONTROL wheel 711 is installed On TRAJECTORY CONTROL nut 712, TRAJECTORY CONTROL nut 712 is mounted on TRAJECTORY CONTROL screw rod 713, and TRAJECTORY CONTROL nut 712 is sliding Dynamic to be mounted on translation pedestal 61, the hydraulic cylinder 82 of third controller 74 is fixed on translation pedestal 61, the first controller 72 Hydraulic cylinder 82, second controller 73 hydraulic cylinder 82 be slidably mounted on lifting pedestal 51, translate pedestal 61 on be provided with first Controller track 714, second controller track 715, the first controller track 714, second controller track 715 in the present embodiment For same controller track, setting is there are two the first controller control wheel 716 on the hydraulic cylinder 82 of first controller 72, and two A first controller control wheel 716 is against the two sides of the first controller track 714, the hydraulic cylinder of the second controller 73 respectively There are two second controller control wheels 717, two second controller control wheels 717 to be against second controller rail respectively for setting on 82 The two sides in road 715, the first controller track 714 is by the sequentially connected first left control section 7141 and the first right control section 7142 It constitutes, the first left control section 7141 and the first right control section 7142 control the hydraulic cylinder 82 of the first controller 72 far from rail respectively Mark control wheel 711 and close TRAJECTORY CONTROL wheel 711, second controller track 715 is by the sequentially connected second left control section 7151, control section 7152 and the second right control section 7153 are constituted in second, control section in the second left control section 7151, second 7152 and second right control section 7153 control the hydraulic cylinder 82 of second controller 73 respectively close to TRAJECTORY CONTROL wheel 711, separate TRAJECTORY CONTROL wheel 711 and close to TRAJECTORY CONTROL wheel 711, is rotatably equipped with the first balladeur train 91 in rotating bracket 41, goes up and down The first driving tooth shaft 92 and the second balladeur train 93, the first balladeur train 91 and the first sliding tooth are rotatably equipped on pedestal 51 Axis 92 is meshed, and translates and is rotatably equipped with the second driving tooth shaft 94 on pedestal 61, the second balladeur train 93 and the second driving tooth shaft 94 are meshed, and the second driving tooth shaft 94, TRAJECTORY CONTROL screw rod 713 and driving screw rod 31 link, and translate screw rod 62 via third control The hydraulic clutch 83 and driving screw rod 31 of device 74 processed realize linkage, and the first balladeur train 91 is hydraulic via the first controller 72 Clutch 83 and first driving gear 49 realize linkage, the first balladeur train 91 via second controller 73 hydraulic clutch 83 Linkage is realized with the second driving gear 53, and medical bed motion profile implementation method includes following implemented step:

1) control driving screw rod 31 rotates, and the driving screw rod 31 drives TRAJECTORY CONTROL wheel 711 to move linearly, TRAJECTORY CONTROL Wheel 711 is pressed in first on the compression bar 81 of the first controller 72, to push the hydraulic cylinder 82 of the first controller 72, generates oil pressure, 83 activity of hydraulic clutch of the first controller 72 is driven, to realize the connection of the first balladeur train 91 and the first driving gear 49 Dynamic, driving screw rod 31 drives the first balladeur train via the second driving tooth shaft 94, the second balladeur train 93, first driving tooth shaft 92 91, so that finally the first driving of driving gear 49 rotates, to drive the first support plate gear 45 and the second support plate gear The rotation direction of 46 rotations, the first support plate gear 45 and the second support plate gear 46 is on the contrary, to the first support plate of driving 42, the second support plate 43 is rotated towards opposite direction, so that the first bed board part 22 rotates human body back, 23 turns of the second bed board part Dynamic human thigh,

2) when TRAJECTORY CONTROL wheel 711 moves along a straight line on the compression bar 81 of second controller 72, TRAJECTORY CONTROL wheel 711 and the The compression bar 81 of one controller 72 is detached from, so that 83 activity of hydraulic clutch of the first controller 72, disconnects the first balladeur train 91 With the linkage of the first driving gear 49, TRAJECTORY CONTROL wheel 711 pushes the hydraulic cylinder 82 of second controller 73, generates oil pressure, driving 83 activity of hydraulic clutch of second controller 73, thus realize the linkage of the first balladeur train 91 and the second driving gear 53, To drive lifting screw to rotate, so that rotating bracket 41 is lifted, so that patient is lifted,

3) when TRAJECTORY CONTROL wheel 711 moves along a straight line on the compression bar 81 of third controller 74, TRAJECTORY CONTROL wheel 711 and the The compression bar 81 of two controllers 73 is detached from, so that 83 activity of hydraulic clutch of second controller 73, disconnects the first balladeur train 91 With the linkage of the second driving gear 53, TRAJECTORY CONTROL wheel 711 pushes the hydraulic cylinder 82 of third controller 74, generates oil pressure, driving 83 activity of hydraulic clutch of third controller 74, to realize translation screw rod 62 and drive the linkage of screw rod 31, to push 51 relative translation pedestal 61 of lifting pedestal is mobile, when the first bed board part 22, the second bed board part 23 drive patient to be moved on wheelchair When square, TRAJECTORY CONTROL wheel 711 is detached from the compression bar 81 of third controller 74, and 51 relative translation pedestal 61 of lifting pedestal is moved through Cheng Zhong, the first left control section 7141 control the hydraulic cylinder 82 of the first controller 72 far from TRAJECTORY CONTROL wheel 711, control section in second The hydraulic cylinder 82 of 7152 control second controllers 73 is far from TRAJECTORY CONTROL wheel 711, to avoid 51 relative translation bottom of lifting pedestal In 61 moving process of seat, compression bar 81, the compression bar 81 of second controller 73 and the connecing for TRAJECTORY CONTROL wheel 711 of the first controller 72 Touching, and making the compression bar 81 of second controller 73 revert to TRAJECTORY CONTROL wheel 711 again by the second left control section 7151 can be with The position of contact；

4) when TRAJECTORY CONTROL wheel 711 moves along a straight line to the compression bar 81 of second controller 73, TRAJECTORY CONTROL wheel 711 is withstood The oil on the hydraulic cylinder 82 of second controller 73 and the hydraulic clutch 83 of second controller 73 is arranged in one reversal valve, reversal valve Guan Shang, so that hydraulic cylinder 82 drives hydraulic clutch 83, to realize the connection of the first balladeur train 91 and the second driving gear 53 It is dynamic, so that lifting screw be driven to rotate backward, so that patient is placed on the seat of wheelchair, push wheelchair open；

5) driving screw rod 31 is rotated backward, the first bed board part 22, the second bed board part 23 gradually restore to initial position and block Enter in mounting groove 24.

Preferably, hydraulic clutch 83 includes shaft 831, cylinder body 8321, piston 8322, First piston bar 8323, the One transmission gear 8331, the second transmission gear 8332, the first friction plate 8341 and the second friction plate 8342, the first transmission gear 8331 are fixed in shaft 831, and the piston 8322 is slidably mounted in cylinder body 8321, are provided with hydraulic oil in cylinder body 8321, One end of the First piston bar 8323 is fixed on one end of piston 8322, and first friction plate 8341 is fixed on described first The other end of piston rod 8323, piston 8322, First piston bar 8323 are offered for wearing shaft on first friction plate 8341 831 831 mounting hole of shaft is realized by spline between the piston 8322 and shaft 831 and is connected, so that piston 8322 Opposite shaft 831 is radially fixed and piston 8322 can slide axially with respect to shaft 831, and hydraulic cylinder 82 is connected to cylinder by oil pipe Body 8321, the second friction plate 8342 are fixed on the second transmission gear 8332, and the second transmission gear 8332 is rotatably installed in shaft On 831, the second transmission gear 8332 and the first driving gear 49 of the first controller 72 are engaged, and the second of second controller 73 passes Moving gear 8332 and the second driving gear 53 engage, the first transmission gear 8331 and second controller 73 of the first controller 72 The first transmission gear 8331 engaged with the first balladeur train 91, the first transmission gear 8331 and the driving spiral shell of third controller 74 Bar 31 links, and the second transmission gear 8332 and the translation screw rod 62 of the third controller 74 link, the liquid of second controller 73 Pressing clutch 83 includes second piston bar 8324, third transmission gear 8333, the 4th transmission gear 8334, third friction plate 8343 And the 4th friction plate 8344, one end of second piston bar 8324 is fixed on the other end of piston 8322, second piston bar 8324 The fixed third friction plate 8343 of the other end, the 4th friction plate 8344 is fixed on third transmission gear 8333, third driving cog Wheel 8333 is rotatably installed in shaft 831, and the 5th transmission gear, third transmission are fixed on the gear shaft of the second driving gear 53 Gear 8333, the 4th transmission gear 8334, the 5th transmission gear 8335 successively engage, the hydraulic clutch of the second controller 73 The both ends of the cylinder body 8321 of device 83 are connected to two interfaces of three-way diverter valve 835, triplet commutation each by individual oil pipe Another interface of valve 835 is connected to the hydraulic cylinder 82 of second controller 73.Using this structure, allow to connect in one direction Continuous rotate driving screw rod 31 can be thus achieved the first bed board part 22, the continuous rotation of the second bed board part 23, rise, translation, decline, Vertical motion improves the continuity of movement.

Preferably, when the tail end of the linear motion of TRAJECTORY CONTROL wheel 711 to the compression bar 81 of third controller 74, second Left control section 7151 allows the compression bar 81 of second controller 73 to revert to the position that TRAJECTORY CONTROL wheel 711 contacts again just It sets, the compression bar 81 of second controller 73 abuts the tail end of the compression bar 81 of third controller 74, to improve the continuity of movement.

Preferably, one end of the first bed board part 22 is rotatably installed in the first support plate 42, opened on the first bed board part 22 Equipped with board slot 261 is puted forth effort, puts forth effort plate 25 and be slidably mounted on the putting forth effort in board slot 261 of the first bed board part 22, in the first bed board part 22 Be provided with for will put forth effort plate 25 head into put forth effort board slot 261 put forth effort 25 pressure spring of plate, put forth effort to offer on board slot 261 and put forth effort plate 25 Card slot is provided with for being caught in the first card slot inserted link 262 for putting forth effort 25 card slot of plate, the first card slot inserted link in the first bed board part 22 It is provided on 262 for the first card slot inserted link 262 to head into the first inserted link pressure spring for putting forth effort 25 card slot of plate, in the first support plate 42 Support plate card slot is offered, is provided with the second card slot inserted link 263 for being caught in support plate card slot in the first bed board part 22, second The second inserted link pressure spring for the second card slot inserted link 263 to be headed into support plate card slot, the first bed board are provided on card slot inserted link 263 One end of part 22 is rotatably equipped with manipulator 266, and manipulator is connected 266 by first connecting rod 264, the second connecting rod respectively Connect the first card slot inserted link 262, the second card slot inserted link 263, so as to rotate manipulator 266 when so that putting forth effort 25 bullet of plate Enter to put forth effort 25 card slot of plate, and the first support plate 42 of rotation can be operated, so that the first bed board part 22 and patient is facilitated to be detached from.

It is fixed with ratchet 101 on first driving gear, pawl 102 is provided with by ratchet 101, pawl 102 is rotatably installed in It is provided in rotating bracket, in rotating bracket for driving pawl towards the insurance oil cylinder 103 far from the rotation of ratchet direction, fuser-oil Cylinder 103 is connected to the hydraulic cylinder of the first controller, so that when TRAJECTORY CONTROL wheel moves on the compression bar of the first controller, Insuring oil cylinder drives pawl to rotate towards far from ratchet direction, so that the first driving gear can rotate, when TRAJECTORY CONTROL wheel It is detached from the compression bar of the first controller, pawl is locked, so that the first driving gear cannot rotate backward, to guarantee first Support plate, the second support plate will not be by Gravitational slidings.

Above content is only illustrations made for the present invention described in this specification.Technology belonging to the present invention The technical staff in field can make various modifications or additions to the described embodiments or by a similar method Substitution, content without departing from description of the invention or beyond the scope defined by this claim should belong to this The protection scope of invention.

Claims

1. A method for realizing the motion trajectory of a medical bed with a function of transferring a patient, characterized in that: the medical bed comprises a bed support, a bed board and a transfer device, the bed board is fixed on the bed support, and the transfer device comprises a driving mechanism, a rotating mechanism , a lifting mechanism, a translation mechanism and a control mechanism, the bed board includes a bed board body, a first bed board part for supporting the back, and a second bed board part for supporting the back of the knee joint; The installation groove of the second bed panel, the two sides of the first bed panel are provided with two force plates for inserting into the armpits of the human body, the driving mechanism includes a driving screw that is rotatably installed on the bed support, and the end of the driving screw is provided with a rotating disk , the rotating disc is provided with a rotating handle; the rotating mechanism includes a rotating bracket, a first supporting plate, a second supporting plate, a supporting roller, a first supporting plate gear and a second supporting plate gear, the first supporting plate, the second supporting plate The two support plates are arc-shaped, and the circle centers of the first support plate and the second support plate are coincident, and the first bed plate member and the second bed plate member are respectively fixed on the upper end of the first support plate and the upper end of the second support plate. , the left and right sides of the first support plate and the second support plate are provided with arc-shaped guide rails, the inner and outer sides of the guide rail are provided with support rollers, and the support rollers are pressed on the guide rail, and the first support plate is The inner or outer side is provided with an arc-shaped first rack, the first rack and the first support plate are geared, and the inner or outer side of the second support plate is provided with a circular arc-shaped second rack, the The second rack gear meshes with the second support plate gear, the support roller, the first support plate gear and the second support plate gear are rotatably mounted on the rotating bracket, and the guide rails are inclined relative to the sides of the first support plate and the second support plate, so that To improve the support stability of the support roller, the first support plate gear and the second support plate gear are respectively arranged on both sides of the first drive gear, and both the first support plate gear and the second support plate gear mesh with the first drive gear; The mechanism includes a lifting base, a lifting nut, a lifting screw, and a second driving gear. The lifting nut is installed on the rotating bracket. The lifting nut and the lifting screw are matched by threads. The second driving gear drives the lifting screw. Vertically arranged and rotatably installed on the lifting base, so that the rotating bracket can reciprocate vertically relative to the lifting base; the translation mechanism includes a translation base, a translation nut, a translation screw and a third drive gear, and the translation nut is installed on the lifting base. On the base, the translation nut and the translation screw are matched by threads, the third drive gear drives the translation screw, and the translation screw is horizontally arranged and rotatably mounted on the translation base, so that the lifting base can reciprocate horizontally relative to the translation base; The control mechanism includes a trajectory control wheel, a first controller, a second controller, and a third controller. The first controller, the second controller, and the third controller all include a pressure rod, a hydraulic cylinder, and a hydraulic clutch. The rod is fixed on the piston rod of the hydraulic cylinder, the hydraulic cylinder is connected to the hydraulic clutch through the oil pipe, the trajectory control wheel is installed on the trajectory control nut, and the trajectory control nut is installed on the trajectory control screw rod. The nut is slidably installed on the translation base, the hydraulic cylinder of the third controller is fixed on the translation base, the hydraulic cylinder of the first controller and the hydraulic cylinder of the second controller are slidably installed on the lifting base, and the translation base is provided with a first A controller track and a second controller track, the hydraulic cylinder of the first controller is provided with two first controller control wheels, and the two first controller control wheels are respectively abutted on both sides of the first controller track , the hydraulic cylinder of the second controller is provided with two second controller control wheels, the two second controller control wheels are respectively abutted on both sides of the second controller track, and the first controller track is connected by The first left control section and the first right control section respectively control the hydraulic cylinder of the first controller away from the track control wheel and close to the track control wheel, and the second controller track is composed of The second left control section, the second middle control section and the second right control section are connected in sequence, and the second left control section, the second middle control section and the second right control section respectively control the hydraulic cylinder of the second controller to approach the trajectory The control wheel, away from the track control wheel and close to the track control wheel, a first sliding gear is rotatably installed on the rotating bracket, a first driving gear shaft and a second sliding gear are rotatably installed on the lifting base, and the first sliding gear and the first driving tooth are rotatably installed. The shafts are meshed with each other, a second driving pinion is rotatably installed on the translation base, the second sliding gear is meshed with the second driving pinion, the second driving pinion and the trajectory control screw are linked with the driving screw, and the translation screw is passed through the third controller. The hydraulic clutch and the driving screw are linked together, the first sliding gear is linked with the first driving gear via the hydraulic clutch of the first controller, and the first sliding gear is linked with the second driving gear via the hydraulic clutch of the second controller. The realization method of bed motion trajectory includes the following realization steps:

1) Control the rotation of the driving screw, the driving screw drives the trajectory control wheel to move linearly, and the trajectory control wheel is first pressed on the pressure rod of the first controller, thereby pushing the hydraulic cylinder of the first controller, generating oil pressure, and driving the first controller. The hydraulic clutch of the controller is activated to realize the linkage between the first sliding gear and the first driving gear, and the driving screw drives the first sliding gear through the second driving pinion, the second sliding gear and the first driving pinion, thereby finally driving the first sliding gear. A driving gear rotates, thereby driving the first support plate gear and the second support plate gear to rotate, and the rotation directions of the first support plate gear and the second support plate gear are opposite, thereby driving the first support plate and the second support plate to the opposite direction Rotate in the direction of rotation, so that the first bed panel rotates the back of the human body, and the second bed panel rotates the thigh of the human body.

2) When the trajectory control wheel moves linearly to the pressing rod of the second controller, the trajectory control wheel and the pressing rod of the first controller are disengaged, so that the hydraulic clutch of the first controller is activated, and the first sliding gear and the first controller are disconnected. The linkage of a driving gear, the trajectory control wheel pushes the hydraulic cylinder of the second controller, generates oil pressure, and drives the hydraulic clutch of the second controller to move, so as to realize the linkage between the first sliding gear and the second driving gear, thereby driving the lifting screw turn to lift the swivel stand to lift the patient,

3) When the trajectory control wheel moves linearly to the pressing rod of the third controller, the trajectory control wheel and the pressing rod of the second controller are disengaged, so that the hydraulic clutch of the second controller is activated, and the first sliding gear and the first sliding gear are disconnected. The linkage of the two driving gears, the trajectory control wheel pushes the hydraulic cylinder of the third controller, generates oil pressure, and drives the hydraulic clutch of the third controller to move, so as to realize the linkage between the translation screw and the drive screw, thereby pushing the lifting base to move relative to the translation base , when the first bed board and the second bed board drive the patient to move above the wheelchair, the trajectory control wheel is separated from the pressure bar of the third controller, and the first left control section controls the first control during the movement of the lifting base relative to the translation base. The hydraulic cylinder of the controller is kept away from the track control wheel, and the second middle control section controls the hydraulic cylinder of the second controller to keep away from the track control wheel, so as to avoid the pressure rod of the first controller and the second controller during the movement of the lifting base relative to the translation base. contact with the track control wheel, and through the second left control section, the second controller's pressure bar returns to the position where the track control wheel can contact;

4) When the trajectory control wheel moves linearly to the pressing rod of the second controller, the trajectory control wheel bears a reversing valve, and the reversing valve is arranged on the hydraulic cylinder of the second controller and the hydraulic clutch of the second controller The hydraulic cylinder drives the hydraulic clutch to realize the linkage between the first sliding gear and the second driving gear, thereby driving the lifting screw to rotate in the reverse direction, so as to place the patient on the seat of the wheelchair and push the wheelchair away;

5) Rotate the driving screw in the reverse direction, and the first bed plate and the second bed plate will gradually return to their original positions and be inserted into the installation grooves.

2. The method for realizing the motion trajectory of a medical bed with a function of transferring a patient according to claim 1, wherein the hydraulic clutch comprises a rotating shaft, a cylinder, a piston, a first piston rod, a first transmission gear, a second transmission gear, The first friction plate and the second friction plate, the first transmission gear is fixed on the rotating shaft, the piston is slidably installed in the cylinder, the cylinder is provided with hydraulic oil, and one end of the first piston rod is fixed at one end of the piston , the first friction plate is fixed on the other end of the first piston rod, the piston, the first piston rod, and the first friction plate are provided with a shaft mounting hole for passing the rotating shaft, and the piston and the rotating shaft pass through the flower The key is connected, so that the piston is radially fixed relative to the rotating shaft and the piston can slide axially relative to the rotating shaft. The hydraulic cylinder is connected to the cylinder body through the oil pipe, and the second friction plate is fixed on the second transmission gear. The second transmission gear is rotatably installed on the rotating shaft. On, the second transmission gear of the first controller meshes with the first drive gear, the second transmission gear of the second controller meshes with the second drive gear, the first transmission gear of the first controller and the first transmission gear of the second controller A transmission gear meshes with the first sliding gear, the first transmission gear of the third controller is linked with the drive screw, the second transmission gear of the third controller is linked with the translation screw, and the hydraulic clutch of the second controller includes a second The piston rod, the third transmission gear, the fourth transmission gear, the third friction plate and the fourth friction plate, one end of the second piston rod is fixed to the other end of the piston, the other end of the second piston rod is fixed to the third friction plate, the first The four friction plates are fixed on the third transmission gear, the third transmission gear is rotatably mounted on the rotating shaft, the gear shaft of the second driving gear is fixed with the fifth transmission gear, the third transmission gear, the fourth transmission gear, the fifth transmission gear The two ends of the cylinder of the hydraulic clutch of the second controller are respectively connected to the two ports of the three-way reversing valve through separate oil pipes, and the other port of the three-way reversing valve is connected to the second controller. of hydraulic cylinders.

3. The method for realizing the motion trajectory of a medical bed with a function of transferring a patient according to claim 1, characterized in that: when the trajectory control wheel moves linearly to the tail end of the pressing rod of the third controller, the second left control section makes the The pressing rod of the second controller just returns to the position where the track control wheel can contact, and the pressing rod of the second controller abuts the tail end of the pressing rod of the third controller, thereby improving the continuity of movement.

4. The method for realizing the motion trajectory of a medical bed with a function of transferring a patient according to claim 1, wherein one end of the first bed plate is rotatably mounted on the first support plate, and a force plate groove is provided on the first bed plate. , the force plate is slidably installed in the force plate groove of the first bed plate, the first bed plate is provided with a force plate compression spring for pushing the force plate into the force plate groove, and the force plate slot is provided on the force plate slot, and the first bed plate is provided with a force plate compression spring. A bed board is provided with a first card slot insertion rod for being inserted into the force plate card slot, and the first card slot insertion rod is provided with a first card slot insertion rod for pushing the first card slot insertion rod into the force plate card slot. The first support plate is provided with a support plate card slot, the first bed plate is provided with a second card slot insertion rod for clipping into the support plate card slot, and the second card slot insertion rod is provided with a second card slot for inserting the second card The slot insertion rod is pushed into the second insertion rod compression spring of the card slot of the support board, and one end of the first bed board is rotatably installed with an operating handle, and the operating handle is connected to the first card slot through the first connecting rod and the second connecting rod respectively. The rod and the second slot are inserted into the rod, so that when the operating handle is rotated, the force plate can be ejected into the force plate slot, and the first support plate can be operated and rotated, so that the first bed board can be easily separated from the patient.

5. The method for realizing the motion trajectory of a medical bed with a function of transferring a patient according to claim 1, wherein a ratchet wheel is fixed on the first driving gear, a ratchet pawl is arranged beside the ratchet wheel, and the ratchet pawl is rotatably mounted on the rotating bracket, The rotating bracket is provided with a safety oil cylinder for driving the pawl to rotate in the direction away from the ratchet wheel, and the safety oil cylinder is connected to the hydraulic cylinder of the first controller, so that when the track control wheel moves to the pressing rod of the first controller, the safety oil cylinder The driving pawl rotates away from the ratchet wheel, so that the first driving gear can be rotated. When the track control wheel is separated from the pressing rod of the first controller, the pawl is locked, so that the first driving gear cannot rotate in the opposite direction, thereby ensuring The first support plate and the second support plate will not slide down by gravity.