CN112336528A

CN112336528A - Automatic rescue stretcher

Info

Publication number: CN112336528A
Application number: CN202011237673.0A
Authority: CN
Inventors: 苑体鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-02-09

Abstract

An automated rescue stretcher comprising: a stretcher part and a walking part; the lower end of the stretcher part is slidably arranged at the upper end of the walking part, the stretcher part can be automatically deformed and changed into a chair state, so that the whole body can conveniently walk in a narrow corridor, and the structure of the stretcher part can automatically move and fix people needing rescue to the stretcher part; the walking part can automatically deform and can automatically walk on the stairs, and the unique structure of the stretcher can ensure that the balance of the stretcher part is always kept when the whole body walks on the stairs, so that the safety of people needing to be rescued is ensured to a certain extent; the efficiency of the salvage personnel is increased, time and labor are saved, and the risk of secondary injury possibly caused when the personnel are moved in narrow places is avoided.

Description

Automatic rescue stretcher

Technical Field

The invention relates to the field of medical instruments, in particular to an automatic rescue stretcher.

Background

When a call for help is received by the telephone 120, the call is started for help, but when the call is received by the telephone 120, the call is sent to old districts or specific places, the transfer of patients is troubled, the movement is inconvenient, the call is carried by people when the call is received by the telephone 120, the call is carried out when the call is received by people; therefore, there is a need for an automatic rescue stretcher which can automatically move a patient onto the stretcher, and when encountering obstacles such as stairs, can automatically go up and down the stairs, and simultaneously protect the patient.

Disclosure of Invention

Aiming at the problems, the invention provides an automatic rescue stretcher, which solves the problem that the traditional stretcher needs manpower to carry, and is time-consuming and labor-consuming.

The technical scheme adopted by the invention is as follows: an automated rescue stretcher comprising: a stretcher part and a walking part; the lower end of the stretcher part is slidably arranged at the upper end of the walking part, the stretcher part can be automatically deformed and changed into a chair state, so that the whole body can conveniently walk in a narrow corridor, and the structure of the stretcher part can automatically move and fix people needing rescue to the stretcher part; the walking part can be automatically deformed and can automatically walk on the stairs, and the unique structure of the stretcher part can ensure that the whole stretcher part always keeps balance when the whole stretcher part walks on the stairs, thereby ensuring the safety of people needing rescue to a certain extent.

Further, the stretcher part comprises a shell a, a stretcher main body structure and a stretcher power structure; the lower end of the shell a is slidably arranged at the upper end of the walking part; the stretcher power structure is arranged in the shell a; the lower end of the stretcher main structure is slidably arranged at the upper end of the walking part, and the stretcher main structure is used as a place for placing people needing rescue; the stretcher power structure provides power for the stretcher main body mechanism.

Further, the stretcher main body structure comprises: the hand-operated walking device comprises a supporting plate a, a supporting plate b, a shell b, a hand-operated turntable, soft cloth, a binding band, a handrail, a controller, a supporting rod, a supporting plate c, a bracket and universal wheels, wherein the lower end of the bracket is slidably arranged at the upper end of a walking part; outer cylinders at the front end and the rear end of the right end of the supporting plate c are rotatably arranged in a round hole at the upper end of the supporting rod at the right side of the bracket; the upper ends of the universal wheels are fixedly arranged at the lower ends of the two support rods on the left side of the bracket; a cylinder at the right end of the supporting plate a is rotatably arranged in a round hole at the left side of the supporting plate c; the left cylinder of the support plate b is rotatably arranged in a round hole of the support plate c; the shell b is fixedly arranged at the right end of the supporting plate b; the hand-operated turntable is rotatably arranged at the front end of the shell b and is fixedly connected with the soft cloth in the shell b; the soft cloth is made of flexible materials, one end of the soft cloth is wound on the hand-operated turntable and is contained in the shell b, the other end of the soft cloth is provided with a clamping column, the soft cloth is limited by a groove arranged above the supporting plate c, the supporting plate a and the supporting plate b, and the clamping column is movably arranged in the groove on the left side of the supporting plate a; the number of the binding bands is three, and two ends of each binding band are fixedly arranged on two sides of the upper end of the middle part of the support plate c, the support plate a and the support plate b; the number of the handrails is two, and the circular holes at the lower ends of the handrails are rotatably arranged on the cylinders at one side of the supporting plate c; the controller is fixedly arranged at the upper end of the handrail at the rear side; the number of the supporting rods is four, every two supporting rods are in a group, and the upper ends of the supporting rods in each group are fixedly arranged on the front side and the rear side below one ends, close to the direction of the supporting plate c, of the supporting plates a and b respectively.

Further, the stretcher power structure comprises: the device comprises a pneumatic mechanism, a connecting rod, an electromagnetic buckle, a limiting rod a, a motor a, a worm, a turbine, a gear a, a gear b, a rack a and a limiting rod b; the number of the blocks is two, and cylinders at two ends of the connecting rod are respectively and rotatably arranged on round holes at the lower ends of the supporting rods at one side of the lower ends of the supporting plate a and the supporting plate b; the electromagnetic buckle is fixedly arranged on one side of the position of the groove formed in the connecting rod, and the clamping block of the electromagnetic buckle is positioned in the groove of the connecting rod; the motor a is fixedly arranged on the support of the bracket, and the worm is fixedly arranged on a motor shaft of the motor a; the turbine is rotatably arranged on the cylinder on the bracket; the worm wheel is meshed with the worm; the gear a is rotatably arranged on a cylinder of the bracket and fixedly connected with the turbine; the gear b is rotatably arranged on the cylinder of the bracket and fixedly connected with the gear a; the rack a is slidably arranged in a sliding chute arranged on the bracket and is meshed with the gear b; the lower end of the limiting rod b is fixedly arranged on the upper side of the right end of the rack a; the middle cylinder of the limiting rod a is slidably arranged on the cylinder of the limiting rod b; the clamping column of the electromagnetic buckle can clamp the cylinders on two sides of the limiting rod a.

Further, the walking part comprises: the device comprises a shell c, a rack b, a hydraulic cylinder, a hydraulic rod, a connecting rod, a rotating shaft c, a stair climbing wheel mechanism, two belt wheel mechanisms and a power mechanism; the lower end of the rack b is fixedly arranged in a groove in the middle of the upper end of the shell c; the rack b is meshed with the gear a of the stretcher part; the lower side support of the bracket is slidably arranged in the sliding grooves on two sides of the upper end of the shell c; one end of the hydraulic cylinder is rotatably arranged on a cylinder at one side of the shell c; one end of the hydraulic rod is slidably mounted on the hydraulic cylinder, and a round hole at the other end of the hydraulic rod is rotatably mounted on the rotating shaft c; the stair climbing wheel mechanisms are arranged on two sides of one end of the shell c, and can enable the machine to climb up steps of stairs; one end of the belt wheel mechanism is rotatably arranged on circular holes at two sides of the shell c, the other end of the belt wheel mechanism is fixedly connected with the shell c through a connecting rod, a rotating shaft c is arranged in a groove in the middle of the connecting rod, and the belt wheel mechanism can enable the machine to walk on stairs; the power mechanism is arranged in the shell c and provides power for the stair climbing wheel mechanism and the belt wheel mechanism.

Further, the stair climbing wheel mechanism comprises: the device comprises a rotating shaft a, a synchronous wheel b, a gear c, a wheel and a rotating shaft b; the rotating shaft a is rotatably arranged on a round hole at one side of the shell c; the synchronizing wheel a is fixedly arranged at one end of the rotating shaft a; the synchronizing wheel b is fixedly arranged at one end of the rotating shaft b; the cylinder of the rotating shaft b is rotatably arranged inside the rotating shaft a; the number of the gears c is four, three gears c are rotatably arranged on three cylinders at one end of the rotating shaft b, the other gear c is fixedly connected with one end of the rotating shaft a, and the three gears c are meshed with the other gear c; the wheels are three, are rotatably arranged on three cylinders at one end of the rotating shaft b, and are fixedly connected with three gears c respectively.

Further, the pulley mechanism includes: the device comprises a shell d, a rotating shaft d, a synchronizing wheel c, a crawler, a synchronizing wheel d, a sliding block and a spring; a cylinder at one end of the shell d is rotatably arranged on circular holes at two sides of the shell c; the rotating shaft d is rotatably arranged in a round hole on the shell d, and the synchronizing wheel c is fixedly arranged at one end of the rotating shaft d; eleven synchronizing wheels d are provided, the ten synchronizing wheels d are rotatably arranged on a cylinder on the sliding block in a linear array, and the other synchronizing wheel d is fixedly arranged at one end of the rotating shaft d; the crawler belt is arranged on the synchronizing wheel d; the sliding block is arranged in the groove on the shell d in a sliding manner; the upper end of the spring is fixedly connected with the shell d, and the other end of the spring is fixedly connected with the upper end of the sliding block.

Further, the power mechanism comprises: the device comprises a motor b, a synchronous wheel e, a synchronous belt a, an electromagnetic clamping shaft, a synchronous wheel f, a synchronous belt b, a synchronous wheel g, a synchronous belt c and a differential mechanism; the motor b is fixedly arranged in the shell c; the number of the synchronizing wheels e is two, and the synchronizing wheels e are fixedly arranged on a motor shaft of the motor b; the differential mechanism is fixedly arranged in the shell c, a synchronizing wheel is arranged on an input end shaft of the differential mechanism and is connected with a synchronizing wheel e through a synchronizing belt a, and electromagnetic clamping shafts are fixedly arranged on output end shafts on two sides of the differential mechanism; the synchronizing wheel f is rotatably arranged inside the shell c, and the synchronizing wheel g is rotatably arranged inside the shell c; the synchronous wheel f is connected with the synchronous wheel b through a synchronous belt b; the synchronizing wheel g is connected with the synchronizing wheel c and the synchronizing wheel a through a synchronizing belt c.

Due to the adoption of the technical scheme, the invention has the following advantages:

(1) when the machine starts to work, the electromagnetic buckle is bounced off, the air pressure mechanism starts to work, the soft cloth is pulled out and placed under the person needing to be rescued, the hand-operated rotary disc is manually rotated, the hand-operated rotary disc drives the soft cloth to reset, and the person needing to be rescued is fixed on the support plate c, the support plate a and the support plate b; the function of automatically moving the person needing to be rescued to the stretcher is realized, the automatic function of the stretcher is further realized, the working efficiency is increased, the time and the labor are saved, and the secondary damage to the person needing to be rescued when the person needing to be rescued is moved is avoided to a certain extent.

(2) Conveying people needing to be rescued to a rescue point, wherein when the people walk on a flat road surface, a motor b starts to work, a middle gear c drives other three gears c to rotate, and the gears c drive wheels to rotate; the rotating shaft d drives all the synchronizing wheels d to rotate through the crawler belt, and at the moment, the machine starts to move on the road surface; the automatic moving function of the stretcher is realized, the working efficiency is increased, the time and the labor are saved, the secondary injury to people needing rescue is avoided to a certain extent when the people move, and the stretcher can be directly butted with a sickbed or an ambulance due to the height of the stretcher, so that the people can move conveniently.

(3) In the conveying process, when obstacles such as stairs and the like are encountered, the electromagnetic clamping shaft and the synchronizing wheel f are clamped, and the whole machine moves on the stairs and keeps horizontal; the automatic stair climbing function of the stretcher is realized, the function of quick movement of rescuers is further realized, the working efficiency is increased, time and labor are saved, and the risk of secondary injury to the personnel during manual carrying is avoided.

(4) In the conveying process, when the machine enters a narrower place in a corridor or a turning place is insufficient, the motor a starts to work, and the bracket slides on the shell c to shorten the overall length of the machine; the connecting rod drives the supporting rod to move, so that the supporting rod drives the supporting plate c, the supporting plate a and the supporting plate b to integrally deform to be in a chair state, the overall length is further shortened, and the machine can turn and move in a narrow corridor; the quick-moving and turning functions of the machine in the narrow corridor are achieved, the working efficiency is increased, the difficulty in carrying of rescuers in the corridor is reduced, the function of causing secondary injury to the personnel is also reduced, time and labor are saved, convenience and rapidness are achieved, and the treatment time is increased for the rescuers.

Drawings

Fig. 1 and 2 are overall schematic views of the present invention.

Fig. 3 and 4 are partial schematic views of the stretcher of the invention.

Fig. 5 and 6 are schematic diagrams of the internal structure of the stretcher part of the invention.

Fig. 7 and 8 are schematic views of the walking part of the invention.

FIG. 9 is an internal view of the walking part of the present invention.

Fig. 10 and 11 are schematic views of the stair climbing wheel mechanism of the invention.

Fig. 12, 13 and 14 are schematic views of the pulley mechanism of the present invention.

Fig. 15 is a schematic view of a power mechanism according to the present invention.

Reference numerals: 1-a stretcher part; 2-a walking part; 101-shell a; 102-support plate a; 103-support plate b; 104-shell b; 105-hand-operated rotating disc; 106-soft cloth; 107-bandage; 108-a handrail; 109-a controller; 110-a support bar; 111-support plate c; 112-a scaffold; 113-universal wheels; 114-a pneumatic mechanism; 115-link; 116-an electromagnetic clasp; 117-stop lever a; 118-motor a; 119-a worm; 120-a turbine; 121-gear a; 122-gear b; 123-rack a; 124-a limiting rod b; 201-housing c; 202-rack b; 203-hydraulic cylinder; 204-hydraulic rod; 205-connecting rod; 206-axis of rotation a; 207-synchronizing wheel a; 208-synchronous wheel b; 209-gear c; 210-wheels; 211-axis of rotation b; 212-axis of rotation c; 213-housing d; 214-axis of rotation d; 215-synchronous wheel c; 216-track; 217-synchronizing wheel d; 218-a slider; 219-a spring; 220-motor b; 221-synchronizing wheel e; 222-synchronous belt a; 223-electromagnetic chuck shaft; 224-synchronizing wheel f; 225-synchronous belt b; 226-synchronizing wheel g; 227-synchronous belt c; 228-differential.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Embodiments, as shown in fig. 1-15, an ambulance stretcher comprising: a stretcher part 1 and a walking part 2; the lower end of the stretcher part 1 is slidably arranged at the upper end of the walking part 2, the stretcher part 1 can be automatically deformed, the stretcher part 1 can be changed into a chair state, the whole body can conveniently walk in a narrow corridor, and the self-carried structure of the stretcher part 1 can automatically move a person needing rescue to the stretcher part 1 and fix the person; the walking part 2 can be automatically deformed and can automatically walk on the stairs, and the unique structure of the walking part can ensure that the balance of the stretcher part 1 is always kept when the whole body walks on the stairs, thereby ensuring the safety of people needing rescue to a certain extent.

In an alternative implementation of the embodiment of the invention, the stretcher part 1 comprises, with the exception of the parts identical to those of the previous embodiment, a housing a101, a stretcher main structure and a stretcher power structure; the lower end of the shell a101 is slidably arranged at the upper end of the walking part 2; the stretcher power structure is arranged inside the shell a 101; the lower end of the stretcher main structure is slidably arranged at the upper end of the walking part 2, and the stretcher main structure is used as a place for placing people needing rescue; the stretcher power structure provides power for the stretcher main body mechanism.

In an alternative embodiment of the invention, the stretcher body structure comprises, apart from the same parts as the previous embodiment: the support plate a102, the support plate b103, the shell b104, the hand-operated rotating disc 105, the soft cloth 106, the binding band 107, the handrail 108, the controller 109, the support rod 110, the support plate c111, the bracket 112, the universal wheel 113 and the lower end of the bracket 112 are slidably arranged at the upper end of the walking part 2; outer cylinders at the front end and the rear end of the right end of the supporting plate c111 are rotatably arranged in a round hole at the upper end of a supporting rod at the right side of the bracket 112; the upper ends of the universal wheels 113 are fixedly arranged at the lower ends of the two support rods on the left side of the bracket 112; the cylinder at the right end of the support plate a102 is rotatably arranged in a round hole at the left side of the support plate c 111; the left cylinder of the support plate b103 is rotatably arranged in a round hole of the support plate c 111; the shell b104 is fixedly arranged at the right end of the support plate b 103; the hand-operated rotary disc 105 is rotatably arranged at the front end of the shell b104, and the hand-operated rotary disc 105 is fixedly connected with a soft cloth 106 in the shell b 104; the soft cloth 106 is made of flexible materials, one end of the soft cloth 106 is wound on the hand-operated turntable 105 and is contained in the shell b104, the other end of the soft cloth 106 is provided with a clamping column, the soft cloth 106 is limited by a groove arranged above the supporting plate c111, the supporting plate a102 and the supporting plate b103, and the clamping column is movably arranged in the groove on the left side of the supporting plate a 102; three binding bands 107 are provided, and two ends of the binding band 107 are fixedly arranged at two sides of the upper end of the middle parts of the support plate c111, the support plate a102 and the support plate b 103; the number of the handrails 108 is two, and a lower round hole of the handrail 108 is rotatably arranged on a side cylinder of the support plate c 111; a controller 109 is fixedly installed at the upper end of the armrest 108 on the rear side; the number of the support rods 110 is four, and the support rods 110 are grouped in pairs, and the upper ends of the support rods 110 in each group are respectively and fixedly arranged at the front side and the rear side below one end of the support plate a102 and the support plate b103 close to the direction of the support plate c 111.

In an alternative embodiment of the invention, the stretcher power structure comprises, apart from the same parts as the previous embodiment: the device comprises a pneumatic mechanism 114, a connecting rod 115, an electromagnetic buckle 116, a limiting rod a117, a motor a118, a worm 119, a worm wheel 120, a gear a121, a gear b122, a rack a123 and a limiting rod b 124; two connecting rods 115 are arranged on the blocks, and cylinders at two ends of each connecting rod 115 are respectively and rotatably arranged on round holes at the lower ends of the supporting rods 110 at one side of the lower ends of the supporting plate a102 and the supporting plate b 103; the number of the electromagnetic buckles 116 is two, the electromagnetic buckles 116 are fixedly arranged on one side of the position of the groove formed in the connecting rod 115, and the clamping block of the electromagnetic buckles 116 is positioned in the groove of the connecting rod 115; the motor a118 is fixedly arranged on the support of the bracket 112, and the worm 119 is fixedly arranged on the motor shaft of the motor a 118; the turbine 120 is rotatably mounted on a cylinder on the bracket 112; worm gear 120 meshes with worm 119; the gear a121 is rotatably mounted on the cylinder of the bracket 112, and the gear a121 is fixedly connected with the worm gear 120; the gear b122 is rotatably mounted on the cylinder of the bracket 112, and the gear b122 is fixedly connected with the gear a 121; the rack a123 is slidably mounted in a sliding groove formed in the bracket 112, and the rack a123 is meshed with the gear b 122; the lower end of the limiting rod b124 is fixedly arranged on the upper side of the right end of the rack a 123; the middle cylinder of the limiting rod a117 is slidably arranged on the cylinder of the limiting rod b 124; the clamping column of the electromagnetic buckle 116 can clamp the cylinders on two sides of the limiting rod a 117.

In an alternative embodiment of the present invention, the walking part 2 includes, in addition to the same components as in the previous embodiment: the device comprises a shell c201, a rack b202, a hydraulic cylinder 203, a hydraulic rod 204, a connecting rod 205, a rotating shaft c212, a stair climbing wheel mechanism, two belt wheel mechanisms and a power mechanism; the lower end of the rack b202 is fixedly arranged in a groove at the middle position of the upper end of the shell c 201; the rack b202 meshes with the gear a121 of the stretcher part 1; the lower side pillar of the bracket 112 is slidably mounted in the sliding grooves on the two sides of the upper end of the shell c 201; one end of the hydraulic cylinder 203 is rotatably arranged on a cylinder at one side of the shell c 201; one end of the hydraulic rod 204 is slidably mounted on the hydraulic cylinder 203, and a round hole at the other end of the hydraulic rod 204 is rotatably mounted on the rotating shaft c 212; the stair climbing wheel mechanisms are arranged on two sides of one end of the shell c201, and can enable the machine to climb up steps of stairs; one end of the belt wheel mechanism is rotatably arranged on circular holes at two sides of the shell c201, the other end of the belt wheel mechanism is fixedly connected with the connecting rod 205, a rotating shaft c212 is arranged in a groove in the middle of the connecting rod 205, and the belt wheel mechanism can enable the machine to walk on stairs; the power mechanism is arranged in the shell c201 and provides power for the stair climbing wheel mechanism and the belt wheel mechanism.

In an alternative implementation of the embodiment of the invention, the climbing wheel mechanism comprises, in addition to the same components as in the previous embodiment: a rotating shaft a206, a synchronous wheel a207, a synchronous wheel b208, a gear c209, a wheel 210 and a rotating shaft b 211; the rotating shaft a206 is rotatably installed on a round hole at one side of the shell c 201; a synchronizing wheel a207 is fixedly arranged at one end of the rotating shaft a 206; the synchronizing wheel b208 is fixedly arranged at one end of the rotating shaft b 211; the cylinder of the rotating shaft b211 is rotatably arranged inside the rotating shaft a 206; the number of the gears c209 is four, three gears c209 are rotatably arranged on three cylinders at one end of a rotating shaft b211, another gear c209 is fixedly connected with one end of a rotating shaft a206, and the three gears c209 are meshed with the other gear c 209; the number of the wheels 210 is three, the wheels 210 are rotatably mounted on three cylinders at one end of a rotating shaft b211, and the wheels 210 are fixedly connected with three gears c209 respectively.

In an alternative implementation of an embodiment of the present invention, the pulley mechanism includes, in addition to the same components as the previous embodiment: a housing d213, a rotating shaft d214, a synchronizing wheel c215, a crawler belt 216, a synchronizing wheel d217, a slider 218 and a spring 219; the cylinder at one end of the shell d213 is rotatably arranged on the round holes at two sides of the shell c 201; the rotating shaft d214 is rotatably installed in a round hole on the shell d213, and the synchronizing wheel c215 is fixedly installed at one end of the rotating shaft d 214; eleven synchronizing wheels d217 are provided, the ten synchronizing wheels d217 are rotatably arranged on a cylinder on the sliding block 218 in a linear array, and the other synchronizing wheel d217 is fixedly arranged at one end of the rotating shaft d 214; the crawler belt 216 is installed on the synchronous wheel d 217; the slider 218 is slidably mounted in a groove on the housing d 213; the upper end of the spring 219 is fixedly connected to the housing d213, and the other end of the spring 219 is fixedly connected to the upper end of the slider 218.

In an alternative implementation of the embodiment of the invention, the power mechanism comprises, in addition to the same components as in the previous embodiment: a motor b220, a synchronous wheel e221, a synchronous belt a222, an electromagnetic clamping shaft 223, a synchronous wheel f224, a synchronous belt b225, a synchronous wheel g226, a synchronous belt c227 and a differential 228; the motor b220 is fixedly arranged inside the shell c 201; two synchronous wheels e221 are provided, and the synchronous wheels e221 are fixedly arranged on a motor shaft of the motor b 220; the differential 228 is fixedly arranged in the shell c201, a synchronizing wheel is arranged on an input end shaft of the differential 228 and connected with a synchronizing wheel e221 through a synchronizing belt a222, and electromagnetic clamping shafts 223 are fixedly arranged on output end shafts on two sides of the differential 228; a synchronizing wheel f224 is rotatably arranged inside the shell c201, and a synchronizing wheel g226 is rotatably arranged inside the shell c 201; a synchronous wheel f224 is connected with a synchronous wheel b208 through a synchronous belt b 225; synchronizing wheel g226 is connected to synchronizing wheel c215 and synchronizing wheel a207 via synchronizing belt c 227.

The working principle is as follows:

when the machine starts to work, the electromagnetic buckle 116 is bounced off, the limiting rod a117 is not clamped with the connecting rod 115, at this time, the air pressure mechanism 114 starts to work, the air pressure mechanism 114 contracts, the air pressure mechanism 114 drives the supporting plate c111 to rotate at a connecting point of the bracket 112 and the supporting plate c111, the supporting plate a102 and the supporting plate b103 are integrally inclined, the supporting plate c111, the supporting plate a102 and the supporting plate b103 are made to rotate to proper positions, at this time, the soft cloth 106 is pulled out to be placed under a person needing rescue, the hand-cranking rotating disc 105 is manually rotated, the hand-cranking rotating disc 105 drives the soft cloth 106 to reset, the person needing rescue is made to move to the supporting plate c111, the supporting plate a102 and the supporting plate b103, at this time, the binding band 107 is tightened, the handrail 108 is pulled; the function of automatically moving the person needing to be rescued to the stretcher is realized, the automatic function of the stretcher is further realized, the working efficiency is increased, the time and the labor are saved, and the secondary damage to the person needing to be rescued when the person needing to be rescued is moved is avoided to a certain extent.

Conveying people needing rescue to go to a rescue point, when walking on a flat road surface, starting working of a motor b220, driving a synchronizing wheel e221 to rotate by the motor b220, driving a differential 228 to work by the synchronizing wheel e221 through a synchronizing belt a222, ejecting an electromagnetic clamping shaft 223 to be clamped with a synchronizing wheel g226, driving the synchronizing wheel g226 to rotate by the differential 228, driving the synchronizing wheel a207 and a synchronizing wheel c215 to rotate by the synchronizing wheel g226 through a synchronizing belt c227, driving a rotating shaft a206 to rotate by the synchronizing wheel a207, driving a middle gear c209 to rotate by the rotating shaft a206, driving other three gears c209 to rotate by the middle gear c209, and driving a wheel 210 to rotate by the gear c 209; the synchronous wheel c215 drives the rotating shaft d214 to rotate, the rotating shaft d214 drives the left synchronous wheel d217 to rotate, all the synchronous wheels d217 are driven to rotate through the crawler belt 216, and at the moment, the machine starts to move on the road surface; the automatic moving function of the stretcher is realized, the working efficiency is increased, the time and the labor are saved, the secondary injury to people needing rescue is avoided to a certain extent when the people move, and the stretcher can be directly butted with a sickbed or an ambulance due to the height of the stretcher, so that the people can move conveniently.

In the conveying process, when an obstacle such as a stair is encountered, the electromagnetic clamping shaft 223 and the synchronizing wheel f224 are clamped, the synchronizing wheel f224 drives the synchronizing wheel b208 to rotate through the synchronizing belt b225, the synchronizing wheel b208 drives the rotating shaft b211 to rotate, and the rotating shaft b211 rotates to drive the three wheels 210 to integrally rotate around the rotating shaft b211 as a circle center, so that the machine can go up to a stair step; when the machine goes up to a step, the rack b202 and the hydraulic cylinder 203 start to work and extend, so that when the machine walking mechanism goes up to a stair, the support plate c111, the support plate a102 and the support plate b103 are always parallel to the ground, and the safety of people needing rescue is ensured to a certain extent; at this time, the electromagnetic clamping shaft 223 is clamped with the synchronous wheel g226, so that the whole machine moves on the stairs and keeps horizontal; the automatic stair climbing function of the stretcher is realized, the function of quick movement of rescuers is further realized, the working efficiency is increased, time and labor are saved, and the risk of secondary injury to the personnel during manual carrying is avoided.

In the conveying process, when the stretcher enters a narrower place in a corridor or a turning place is insufficient, at the moment, the motor a118 starts to work, the motor a118 drives the worm 119 to rotate, the worm 119 drives the worm wheel 120 to rotate, the worm wheel 120 drives the gear a121 to rotate, and the gear a121 is meshed with the rack b202, so that when the gear a121 rotates, the gear a121 drives the stretcher main body structure and the stretcher power structure to integrally move, and the support 112 slides on the shell c201 to shorten the length of the whole machine; the gear a121 drives the gear b122 to rotate, the gear b122 drives the rack a123 to move, the rack a123 drives the limiting rod b124 to move, at the moment, the electromagnetic buckle 116 is clamped to block the limiting rod a117, the limiting rod a117 and the connecting rod 115 are clamped to be dead, the rotating shaft d214 drives the connecting rod 115 to move through the limiting rod a117, the connecting rod 115 drives the supporting rod 110 to move, the supporting rod 110 drives the supporting plate c111, the supporting plate a102 and the supporting plate b103 to integrally deform to be in a chair state, the overall length is further shortened, and the machine can turn and move in a narrow corridor; the quick-moving and turning functions of the machine in the narrow corridor are achieved, the working efficiency is increased, the difficulty in carrying of rescuers in the corridor is reduced, the function of causing secondary injury to the personnel is also reduced, time and labor are saved, convenience and rapidness are achieved, and the treatment time is increased for the rescuers.

Claims

1. An automatic rescue stretcher, characterized by comprising: a stretcher part (1) and a walking part (2); the lower end of the stretcher part (1) is slidably arranged at the upper end of the walking part (2), the stretcher part (1) can be automatically deformed, the stretcher part (1) can be changed into a chair state, the whole body can conveniently walk in a narrow corridor, and the self-carried structure of the stretcher part (1) can automatically move a person needing rescue to the stretcher part (1) and fix the person; the walking part (2) can automatically deform and can automatically walk on the stairs, and the unique structure of the walking part can ensure that the balance of the stretcher part (1) is always kept when the whole body walks on the stairs, so that the safety of people needing to be rescued is ensured to a certain extent; the stretcher part (1) comprises a shell a (101), a stretcher main body structure and a stretcher power structure; the lower end of the shell a (101) is slidably arranged at the upper end of the walking part (2); the stretcher power structure is arranged inside the shell a (101); the lower end of the stretcher main structure is slidably arranged at the upper end of the walking part (2), and the stretcher main structure is used as a place for people needing rescue; the stretcher power structure provides power for the stretcher main body mechanism.

2. The ambulance stretcher as claimed in claim 1, wherein said stretcher body structure comprises: the lower end of the support (112) is slidably arranged at the upper end of the walking part (2); the outer cylinders at the front end and the rear end of the right end of the supporting plate c (111) are rotatably arranged in a round hole at the upper end of a supporting rod at the right side of the bracket (112); the upper ends of the universal wheels (113) are fixedly arranged at the lower ends of the two support rods on the left side of the bracket (112); a cylinder at the right end of the support plate a (102) is rotatably arranged in a round hole at the left side of the support plate c (111); the left cylinder of the support plate b (103) is rotatably arranged in a round hole of the support plate c (111); the shell b (104) is fixedly arranged at the right end of the supporting plate b (103); the hand-operated rotary table (105) is rotatably arranged at the front end of the shell b (104), and the hand-operated rotary table (105) is fixedly connected with a soft cloth (106) in the shell b (104); the soft cloth (106) is made of flexible materials, one end of the soft cloth (106) is wound on the hand-operated turntable (105) and is contained in the shell b (104), a clamping column is arranged at the other end of the soft cloth (106), the soft cloth (106) is limited by a groove arranged above the supporting plate c (111), the supporting plate a (102) and the supporting plate b (103), and the clamping column is movably arranged in the groove on the left side of the supporting plate a (102); the number of the binding bands (107) is three, and two ends of the binding bands (107) are fixedly arranged on two sides of the upper end of the middle parts of the supporting plate c (111), the supporting plate a (102) and the supporting plate b (103); the number of the handrails (108) is two, and a round hole at the lower end of the handrail (108) is rotatably arranged on a cylinder at one side of the supporting plate c (111); a controller (109) is fixedly installed at the upper end of the armrest (108) at the rear side; the number of the supporting rods (110) is four, every two supporting rods are in a group, and the upper end of each group of the supporting rods (110) is fixedly arranged at the front side and the rear side below one end, close to the direction of the supporting plate c (111), of the supporting plate a (102) and the supporting plate b (103).

3. The ambulance stretcher according to claim 1, wherein said stretcher power structure comprises: the device comprises a pressing mechanism (114), a connecting rod (115), an electromagnetic buckle (116), a limiting rod a (117), a motor a (118), a worm (119), a turbine (120), a gear a (121), a gear b (122), a rack a (123) and a limiting rod b (124); the number of the blocks is two, the two ends of the connecting rod (115) are respectively and rotatably arranged on the round holes at the lower ends of the supporting rods (110) at one side of the lower ends of the supporting plate a (102) and the supporting plate b (103); the number of the electromagnetic buckles (116) is two, the electromagnetic buckles (116) are fixedly arranged on one side of the position of the groove formed in the connecting rod (115), and a clamping block of the electromagnetic buckles (116) is positioned in the groove of the connecting rod (115); the motor a (118) is fixedly arranged on a support column of the bracket (112), and the worm (119) is fixedly arranged on a motor shaft of the motor a (118); the turbine (120) is rotatably arranged on the cylinder on the bracket (112); the worm wheel (120) is meshed with the worm (119); the gear a (121) is rotatably arranged on the cylinder of the bracket (112), and the gear a (121) is fixedly connected with the turbine (120); the gear b (122) is rotatably arranged on a cylinder of the bracket (112), and the gear b (122) is fixedly connected with the gear a (121); the rack a (123) is slidably arranged in a sliding groove arranged on the bracket (112), and the rack a (123) is meshed with the gear b (122); the lower end of the limiting rod b (124) is fixedly arranged on the upper side of the right end of the rack a (123); the middle cylinder of the limiting rod a (117) is slidably arranged on the cylinder of the limiting rod b (124); the clamping column of the electromagnetic buckle (116) can clamp the cylinders at two sides of the limiting rod a (117).

4. The ambulance stretcher according to claim 1, characterized in that said walking section (2) comprises: the stair climbing device comprises a shell c (201), a rack b (202), a hydraulic cylinder (203), a hydraulic rod (204), a connecting rod (205), a rotating shaft c (212), a stair climbing wheel mechanism, two belt wheel mechanisms and a power mechanism; the lower end of the rack b (202) is fixedly arranged in a groove at the middle position of the upper end of the shell c (201); the rack b (202) is meshed with the gear a (121) of the stretcher part (1); the lower side pillar of the bracket (112) is slidably arranged in the sliding grooves at two sides of the upper end of the shell c (201); one end of the hydraulic cylinder (203) is rotatably arranged on a cylinder at one side of the shell c (201); one end of a hydraulic rod (204) is slidably arranged on the hydraulic cylinder (203), and a round hole at the other end of the hydraulic rod (204) is rotatably arranged on a rotating shaft c (212); the stair climbing wheel mechanisms are arranged on two sides of one end of the shell c (201), and can enable the stair climbing wheel mechanism to climb up steps of stairs; one end of the belt wheel mechanism is rotatably arranged on circular holes at two sides of the shell c (201), the other end of the belt wheel mechanism is fixedly connected with a connecting rod (205), a rotating shaft c (212) is arranged in a groove in the middle of the connecting rod (205), and the belt wheel mechanism can enable the machine to walk on stairs; the power mechanism is arranged in the shell c (201) and provides power for the stair climbing wheel mechanism and the belt wheel mechanism.

5. The stretcher of claim 4 wherein said stair climbing wheel mechanism comprises: the device comprises a rotating shaft a (206), a synchronous wheel a (207), a synchronous wheel b (208), a gear c (209), a wheel (210) and a rotating shaft b (211); the rotating shaft a (206) is rotatably arranged on a round hole at one side of the shell c (201); a synchronizing wheel a (207) is fixedly arranged at one end of the rotating shaft a (206); the synchronizing wheel b (208) is fixedly arranged at one end of the rotating shaft b (211); the cylinder of the rotating shaft b (211) is rotatably arranged inside the rotating shaft a (206) of the rotating shaft 1; the number of the gears c (209) is four, three gears c (209) are rotatably arranged on three cylinders at one end of a rotating shaft b (211), the other gear c (209) is fixedly connected with one end of a rotating shaft a (206), and the three gears c (209) are meshed with the other gear c (209); the number of the wheels (210) is three, the wheels (210) are rotatably arranged on three cylinders at one end of a rotating shaft b (211), and the wheels (210) are fixedly connected with three gears c (209) respectively.

6. The ambulance stretcher according to claim 4, wherein said pulley mechanism comprises: a shell d (213), a rotating shaft d (214), a synchronous wheel c (215), a crawler belt (216), a synchronous wheel d (217), a sliding block (218) and a spring 2 (219); a cylinder at one end of the shell d (213) is rotatably arranged on round holes at two sides of the shell c (201); the rotating shaft d (214) is rotatably arranged in a round hole on the shell d (213), and the synchronizing wheel c (215) is fixedly arranged at one end of the rotating shaft d (214); eleven synchronizing wheels d (217) are provided, ten synchronizing wheels d (217) are rotatably arranged on a cylinder on the sliding block (218) in a linear array, and the other synchronizing wheel d (217) is fixedly arranged at one end of the rotating shaft d (214); the crawler belt (216) is arranged on the synchronous wheel d (217); the sliding block (218) is arranged in a groove on the shell d (213) in a sliding way; the upper end of the spring (219) is fixedly connected with the shell d (213), and the other end of the spring (219) is fixedly connected with the upper end of the sliding block (218);

the ambulance stretcher according to claim 4, wherein said power mechanism comprises: the device comprises a machine b (220), a synchronous wheel e (221), a synchronous belt a (222), an electromagnetic clamping shaft (223), a synchronous wheel f (224), a synchronous belt b (225), a synchronous wheel g (226), a synchronous belt c (227) and a differential (228); the motor b (220) is fixedly arranged inside the shell c (201); two synchronous wheels e (221) are provided, and the synchronous wheels e (221) are fixedly arranged on a motor shaft of the motor b (220); the differential (228) is fixedly arranged in the shell c (201), a synchronizing wheel is arranged on an input end shaft of the differential (228) and connected with a synchronizing wheel e (221) through a synchronizing belt a (222), and electromagnetic clamping shafts (223) are fixedly arranged on output end shafts on two sides of the differential (228); a synchronizing wheel f (224) is rotatably arranged inside the shell c (201), and a synchronizing wheel g (226) is rotatably arranged inside the shell c (201); the synchronous wheel f (224) is connected with the synchronous wheel b (208) through a synchronous belt b (225); the timing wheel g (226) is connected to the timing wheel c (215) and the timing wheel a (207) via a timing belt c (227).