CN203154230U - Electric weight-reduction training frame - Google Patents

Abstract

The utility model discloses an electric weight reduction training frame, which comprises a controller, a base support mechanism, a drive mechanism, a weight reduction adjustment mechanism, a pulley assembly, a limit protection mechanism and a suspension vest; the base support mechanism includes an inverted L-shaped vertical support , the driving mechanism includes a motor, the weight reduction adjustment mechanism includes a tension sensor and a tension sensor support plate, the pulley assembly includes five pulleys and ropes, the limit protection mechanism includes a proximity switch, a limit plate and a stopper, and the controller is used to input control information, Detect the information of the tension sensor, receive the trigger information of the proximity switch and control the work of the motor driver. The electric weight-reducing training frame provided by the utility model can adjust the weight-reducing force while adjusting the suspension height through the design of the weight-reducing adjustment mechanism and the limit protection mechanism, so as to meet the load-bearing capacity of the lower limbs of patients with different recovery degrees during training. Requirements; The double protection of the proximity switch limit and the sling effectively guarantees the safety of the patient during training.

Description

Electric Weight Loss Training Rack

technical field

The utility model relates to a medical rehabilitation device, in particular to an electric weight loss training frame for gait rehabilitation training.

Background technique

With the development of society, the increase of traffic and industrial accidents, and the aging of society, stroke and cardiovascular patients have gradually become a common group in today's society. In addition to drug therapy or surgical treatment for such patients, scientific rehabilitation training is also very important for the improvement of motor function of patients. For such patients, Body Weight Support Training (BWST for short) is often used, using a suspension device to bear part of the patient's body weight, helping patients whose lower limbs cannot bear the full body weight to be in an upright state, and walking with the assistance of the therapist Exercises with a full set of movements in a cycle.

At present, most weight loss trainers use pneumatic weight loss or weight loss methods, which cannot accurately set the size of the weight loss force; and most of them have a single form, which can only adjust the height but cannot adjust the weight loss force provided, and cannot adapt to different recovery degrees The patient's need to reduce weight requirements.

Utility model content

Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides an electric weight-reducing training frame, which can adjust the weight-reducing force while adjusting the height, so as to meet the load-bearing requirements of the lower limbs of patients with different recovery degrees.

Technical solution: In order to solve the above-mentioned technical problems, the technical solution adopted in the utility model is:

An electric weight loss training frame, including a controller, a base support mechanism, a drive mechanism, a weight loss adjustment mechanism, a pulley assembly, a limit protection mechanism and a suspension vest;

The base support mechanism includes a base plate and an inverted L-shaped vertical support, the vertical support includes a cross bar and a vertical bar, the top of the vertical bar is fixed to the rear end of the horizontal bar, and the lower end of the vertical bar is fixed on the base plate;

The driving mechanism includes a motor driver, a motor and a reducer;

The weight reduction adjustment mechanism includes a tension sensor and a tension sensor support plate, the tension sensor support plate is fixed to the vertical bracket, and one end of the tension sensor is fixed to the tension sensor support plate;

The pulley assembly includes a first pulley, a second pulley, a third pulley, a fourth pulley, a fifth pulley and a rope, and the first pulley, the second pulley, the third pulley, the fourth pulley and the fifth pulley are located on the same In the plane; one end of the rope is fixed on the hub of the first pulley, and the other end goes around the second pulley, the third pulley, the fourth pulley and the fifth pulley in turn, and is tied to the suspension vest by the suspension rod; One pulley is installed on the output shaft of the reducer and is located in the first pulley cover, the second pulley is installed on the second pulley frame, the third pulley is installed on the third pulley frame, and the fourth pulley is installed on the fourth pulley frame The fifth pulley is installed in the fifth pulley cover; the first pulley cover is fixed to the bottom plate, the second pulley frame is fixed to the other end of the tension sensor, the third pulley frame is fixed to the bottom end of the pole, and the fourth pulley The frame is fixed on the top of the pole, and the fifth pulley cover is fixed on the front end of the cross bar;

The limit protection mechanism includes a proximity switch, a limit plate and a blocking piece. The proximity switch is fixed on the fifth pulley cover, and the limit plate and the fifth pulley cover are hinged through a pin shaft. One end bypasses the part behind the fifth pulley and is located above the boom, and the stopper contacts the limit plate and pushes the limit plate to trigger the proximity switch;

The controller is used for inputting control information, detecting the information of the tension sensor, receiving the trigger information of the proximity switch and controlling the operation of the motor driver.

The above-mentioned device can realize height adjustment by adjusting the position of the stopper of the limit protection mechanism, and can know the size of the weight reduction force provided for the user in time by detecting the tension sensor information of the weight reduction force adjustment mechanism; and by adjusting the tension sensor The setting of the adjustment device provides the size of the weight-reducing force provided to the user to meet the needs of different users.

Preferably, the base supporting mechanism further includes a base frame, and casters are arranged under the base frame, and the casters have a brake structure; the bottom plate is fixed on the base frame. Through the design of the base frame and casters, the user's range of motion can be expanded, and users who have a certain ability to walk can move with the user. For users who do not have the ability to walk or use it with other rehabilitation equipment, only the brake structure can be used to fix the entire body. The position of the device avoids movement.

Preferably, the limit protection mechanism further includes a torsion spring, the torsion spring is sleeved on the pin shaft, one end of the torsion spring presses on the fifth pulley cover, and the other end of the torsion spring presses on the limit plate. Through the design of the torsion spring, it is possible to prevent the limit plate from being touched by an external force to touch the proximity switch, which may cause false control of the controller.

Preferably, the rope goes around the part between the third pulley and the fourth pulley and passes through the inside of the pole. On the one hand, it can protect the rope, and in addition, it can avoid the influence of the exposed mechanical structure on the aesthetics of the entire device; The horizontal bar of the support is a horizontal square tube, and the vertical bar of the vertical support is a cubic tube.

Preferably, the part of the rope located on both sides of the second pulley and the part located on both sides of the third pulley are vertically parallel. This ensures that the force applied to the tension sensor is as equal as possible to the force exerted by the suspension vest on the user.

Preferably, the limit protection mechanism further includes a sling, one end of the sling is connected to the suspension rod, and the other end is fixed to the front end of the cross bar. The sling is designed to prevent injury to the user should the rope break and is a safety device.

Preferably, ribs are used to strengthen the fixation between the horizontal bar and the vertical bar, and ribs are used to strengthen the fixation between the vertical bar and the bottom plate. The fixing strength between the components can be enhanced by the ribs to ensure user safety.

Preferably, the drive mechanism further includes an encoder, which detects the rotation speed and position of the motor and feeds back the detection result to the motor driver to form a closed-loop control.

Beneficial effects: the electric weight reduction training frame provided by the utility model can adjust the weight reduction force while adjusting the suspension height through the design of the weight reduction adjustment mechanism and the limit protection mechanism, so as to meet the needs of patients with different recovery degrees during training. The load-bearing requirements of the lower limbs; the double protection of the proximity switch limit and the sling effectively guarantees the safety of the patient during training.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the front view structure schematic diagram of the lower part of the utility model;

Fig. 3 is the partially enlarged structure schematic diagram of the front end of the horizontal square tube of the vertical support of the utility model;

Fig. 4 is the structural representation of the horizontal square tube part of the vertical support of the utility model;

Fig. 5 is a schematic structural view of the lower end of the cubic tube of the vertical bracket of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described further.

As shown in FIGS. 1 to 5 , an electric weight loss training frame includes a controller, a base support mechanism, a drive mechanism, a weight reduction force adjustment mechanism, a pulley assembly, a limit protection mechanism and a suspension vest 1 .

Described base support mechanism comprises base frame 18, base plate 17 and inverted L-shaped vertical support 11, and described vertical support 11 comprises horizontal square tube and cubic tube, and the rear end of the top of described cubic tube and horizontal tube is fixed, and cubic The lower end of the pipe is fixed on the base plate 17; casters 19 are arranged below the base frame 18, and the casters 19 have a brake structure; the base plate 17 is fixed on the base frame 18. The A rib 8 and the B rib 31 are used to strengthen the fixation between the horizontal tube and the cubic tube, and the C rib 16 is used to strengthen the fixation between the cubic tube and the bottom plate 17 .

Described drive mechanism comprises motor driver, motor 21, encoder 22 and speed reducer 20, and described motor driver controls motor 21 to rotate, and the output shaft of described motor 21 is fixed with one end of speed reducer 20, and described encoder 22 is opposite to motor. The speed and position of 21 are detected and the detection result is fed back to the motor driver to form a closed-loop control.

The weight reduction adjustment mechanism includes a tension sensor 23 and a tension sensor support plate 34, the tension sensor support plate 34 is fixed with the vertical support 11, and one end of the tension sensor 23 is fixed with the tension sensor support plate 34;

Described pulley assembly comprises first pulley 32, second pulley 13, the 3rd pulley 14, the 4th pulley 10, the 5th pulley 30, rope 5, described first pulley 32, second pulley 13, the 3rd pulley 14, The fourth pulley 10 and the fifth pulley 30 are located in the same plane; one end of the rope 5 is fixed on the hub of the first pulley 32, and the other end goes around the second pulley 13, the third pulley 14, the fourth pulley 10 and the After the fifth pulley 30, the suspension vest 1 is fastened by the suspender 2, and the parts on both sides of the second pulley 13 and the parts on both sides of the third pulley 14 are vertically parallel to the rope 5, and the rope 5 goes around the second pulley. The part between the three pulleys 14 and the fourth pulley 10 passes through the inside of the cube; the first pulley 32 is installed on the output shaft of the speed reducer 20, and is located in the first pulley housing 24, and the second pulley 13 is installed in the On the second pulley frame 12, the third pulley 14 is installed on the third pulley frame 15, the fourth pulley 10 is installed on the fourth pulley frame 9, and the fifth pulley 30 is installed in the fifth pulley cover 7; The pulley cover 24 is fixed with the base plate 17, the other end of the second pulley frame 12 and the tension sensor 23 is fixed, the third pulley frame 15 is fixed at the bottom end of the cubic pipe, the fourth pulley frame 9 is fixed at the top of the cubic pipe, and the fifth pulley Outer cover 7 is fixed on the front end of horizontal square pipe.

The limit protection mechanism includes a proximity switch 6, a limit plate 26, a bushing 27, a torsion spring 28, a catch 3 and a sling 4, and the proximity switch 6 is fixed on the fifth pulley cover 7, and the limit plate 26 It is hinged with the fifth pulley cover 7 through a pin shaft 29, and the bushing is fixed on the lower part of the fifth pulley cover. The catch 3 is installed at the position where the other end of the rope 5 bypasses the fifth pulley 30 and is located above the boom 2 , the torsion spring 28 is set on the pin shaft 29, one end of the torsion spring 28 is pressed on the fifth pulley cover 7, and the other end is pressed on the limit plate 26; The rear limit plate 26 triggers the proximity switch 6; one end of the sling 4 is tied to the suspension vest 1 by the suspension rod 2, and the other end is tied to the front end of the horizontal tube.

The controller is used for inputting control information, receiving trigger information of the proximity switch, controlling the motor driver to work, and monitoring the tension sensor.

In this case, the second pulley 13, the third pulley 14, the fourth pulley 10 and the fifth pulley 30 are designed to be pulleys of the same size; gap, so that the third pulley 14 and the fourth pulley 10 all have a part in the cubic tube; in order to ensure that the tension sensor 23 does not twist, a groove is provided at the position where the tension sensor support plate 34 fixes the tension sensor 23, and the tension sensor 23 Insert one end of the tension sensor 23 into the groove and then fix it with a screw. Similarly, a groove is also provided at the position where the tension sensor 23 is fixed on the second pulley frame 12, and the other end of the tension sensor 23 is inserted into the groove and then fixed, so that the tension Sensor 23 just can be positioned vertically between pull sensor support plate 34 and the second pulley frame 12 all the time; The bushing 27 of softer material such as aluminum or nylon is installed in the hole place, and at the edge rounding of the perforation place of bushing 27, prevents from wearing and tearing rope 5; Pulley brackets and housings are designed to exacting dimensions and tolerances.

The working process of the above-mentioned device is as follows: the user wears the suspension vest 1, chooses to reduce the size and height through the controller or the doctor, the controller converts the corresponding signal into a voltage signal and sends it to the motor driver, and the motor driver converts the voltage signal into The output torque signal drives the motor 21 to work; the first pulley 32 rotates thereupon, and drives the rope 5 to move to lift the suspension vest 1 and rise to reduce the user's own weight; After processing, it is fed back to the controller to form a closed-loop control, so that the weight reduction force is constant; at the same time, the encoder 22 detects the rotation speed and position of the motor 21 and feeds back the detection result to the motor driver to form a closed-loop control.

When the catch 3 fixed on the rope 5 touches the limit plate 26 and pushes the limit plate 26 to move, the limit plate 26 will trigger the proximity switch 6; after the proximity switch 6 is triggered, it will stop through the controller feedback The action of the motor 21 stops the suspension vest 1 from rising; in addition, in order to prevent the proximity switch 6 from getting out of control, the contact between the limit plate 26 and the bushing 27 can be designed as a trigger, and the trigger will also stop the action of the motor 21 through the feedback of the controller. Suspension vest 1 stops rising, plays the double limit protection effect of proximity switch 6 and mechanical limit.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (8)

1. electronic weight-losing frame is characterized in that: comprise controller, base support mechanism, driving mechanism, loss of weight power governor motion, pulley assembly, position limitation protection mechanism and suspention vest (1);

Described base support mechanism comprises base plate (17) and inverted L shape staking (11), and described staking (11) comprises cross bar and vertical rod, and the top of described vertical rod and the rear end of cross bar fix, and the lower end of vertical rod is fixed on the base plate (17);

Described driving mechanism comprises motor driver, motor (21) and decelerator (20);

Described loss of weight power governor motion comprises pulling force sensor (23) and pulling force sensor gripper shoe (34), described pulling force sensor gripper shoe (34) is fixing with staking (11), and an end of described pulling force sensor (23) and pulling force sensor gripper shoe (34) are fixing;

Described pulley assembly comprises first pulley (32), second pulley (13), the 3rd pulley (14), the 4th pulley (10), the 5th pulley (30) and rope (5), and described first pulley (32), second pulley (13), the 3rd pulley (14), the 4th pulley (10) and the 5th pulley (30) are positioned at same plane; One end of described rope (5) is fixed on the wheel hub of first pulley (32), and the other end is walked around second pulley (13), the 3rd pulley (14), the 4th pulley (10) and the 5th pulley (30) back successively and hitched suspention vest (1) by suspension rod (2); Described first pulley (32) is installed on the output shaft of decelerator (20), and be positioned at the first pulley outer housing (24), second pulley (13) is installed on second pulley yoke (12), the 3rd pulley (14) is installed on the 3rd pulley yoke (15), the 4th pulley (10) is installed on the 4th pulley yoke (9), and the 5th pulley (30) is installed in the 5th pulley outer housing (7); The described first pulley outer housing (24) is fixing with base plate (17), second pulley yoke (12) is fixed with the other end of pulling force sensor (23), the 3rd pulley yoke (15) is fixed on the bottom of vertical rod, the 4th pulley yoke (9) is fixed on the top of vertical rod, and the 5th pulley outer housing (7) is fixed on the front end of cross bar;

Described position limitation protection mechanism comprises near switch (6), limiting plate (26) and catch (3), describedly be fixed on the 5th pulley outer housing (7) near switch (6), limiting plate (26) is hinged by bearing pin (29) with the 5th pulley outer housing (7), described catch (3) is installed in the top that rope (5) other end is walked around the position behind the 5th pulley (30) and is positioned at suspension rod (2), and catch (3) contacts with limiting plate (26) and promotes limiting plate (26) and triggers near switch (6);

Described controller is used for input control information, detect pulling force sensor information, receive near the trigger message of switch and control motor driver work.

2. electronic weight-losing frame according to claim 1 is characterized in that: described base support mechanism also comprises pony sill (18), is provided with castor (19) in the below of pony sill (18), and described castor (19) has brake structure; Described base plate (17) is fixed on the pony sill (18).

3. electronic weight-losing frame according to claim 1; it is characterized in that: described position limitation protection mechanism also comprises torsion spring (28); described torsion spring (28) is sleeved on the bearing pin (29); one end of torsion spring (28) is pressed on the 5th pulley outer housing (7), and the other end is pressed on the limiting plate (26).

4. electronic weight-losing frame according to claim 1, it is characterized in that: the part that described rope (5) is walked around between the 3rd pulley (14) and the 4th pulley (10) is passed from vertical rod inside.

5. electronic weight-losing frame according to claim 1 is characterized in that: described rope (5) be positioned at second pulley (13) both sides part, be positioned at the 3rd pulley (14) both sides part all vertically parallel.

6. electronic weight-losing frame according to claim 1 is characterized in that: described position limitation protection mechanism also comprises hoist cable (4), and an end of described hoist cable (4) is connected with suspension rod (2), and the other end is fixed on the front end of cross bar.

7. electronic weight-losing frame according to claim 1 is characterized in that: strengthen fixing by floor between described cross bar and the vertical rod, strengthen fixing between described vertical rod and the base plate (17) by floor.

8. electronic weight-losing frame according to claim 1, it is characterized in that: described driving mechanism also comprises encoder (22), and described encoder (22) is to the rotating speed of motor (21) and the position is detected and testing result is fed back to motor driver forms closed loop control.

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