CN111150606A

CN111150606A - Multifunctional lower limb load bearing treatment system

Info

Publication number: CN111150606A
Application number: CN202010040296.5A
Authority: CN
Inventors: 张中保
Original assignee: Nanjing First Hospital
Current assignee: Nanjing First Hospital
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-05-15

Abstract

The invention relates to the technical field of rehabilitation training, in particular to a multifunctional lower limb load-bearing treatment system. It includes stand frame and braces hanging device, braces hanging device includes support frame and mount, and traction pulley is installed respectively at the top of support frame and mount, is provided with the haulage rope in the traction pulley, and the hooker is installed to the one end of haulage rope, and the bottom of hooker is provided with back fixing device, and the other end winding of haulage rope is at the reel, and the one end of reel is installed and is used for driving reel pivoted work motor. In this multi-functional heavy burden treatment system of low limbs, adopt the braces to fix the tester, adjust the holistic height of braces through work motor rolling haulage rope, the circumstances of simulation low limbs heavy burden realizes the low limbs heavy burden rehabilitation training of system, sets up heavy burden detecting system, can real-time detection low limbs heavy burden pressure data, and the heavy burden circumstances of different regions is printed to the simultaneous display foot, is convenient for compare two feet as the reference of disease.

Description

Multifunctional lower limb load bearing treatment system

Technical Field

The invention relates to the technical field of rehabilitation training, in particular to a multifunctional lower limb load-bearing treatment system.

Background

At present, a plurality of operations require that the lower limbs can not bear the weight after the operation, the load can be gradually recovered only when the strength of the tissue is enough to bear the weight of the body, and the normal standing and walking can be recovered until the weight can be completely borne, so that the load training of the lower limbs is necessary, but the existing lower limb load training needs to be completed by multiple persons in a combined mode, a system device is not used for training, the effect of the lower limb load training is affected, meanwhile, the pressure of the lower limb load cannot be detected, and the training data cannot be accurately obtained.

Disclosure of Invention

The invention aims to provide a lower limb multifunctional weight-bearing treatment system to solve the problems in the background technology.

In order to achieve the purpose, the invention provides a multifunctional lower limb weight bearing treatment system which comprises a standing frame and a strap suspension device, wherein the strap suspension device comprises a support frame and a fixed frame, traction pulleys are respectively installed at the tops of the support frame and the fixed frame, traction ropes are arranged in the traction pulleys, one ends of the traction ropes are provided with connecting hooks, the bottoms of the connecting hooks are provided with back fixing devices, the other ends of the traction ropes are wound on a winding reel, and one end of the winding reel is provided with a working motor for driving the winding reel to rotate.

Preferably, the traction pulley comprises a pulley, baffles are respectively arranged on two sides of the pulley, the size of each baffle is larger than that of the pulley, and a bearing is arranged on the outer wall of each baffle.

Preferably, the back fixing device comprises a back strap, a connecting ring is arranged at the top of the back strap, the connecting ring is hung in the connecting hook, and at least four hanging straps are arranged between the back strap and the connecting ring.

Preferably, a hair side magic tape is installed at one end of the shoulder strap, a thorn side magic tape is installed at the other end of the shoulder strap, and the hair side magic tape and the thorn side magic tape are in adhesion fit.

Preferably, the standing frame comprises a bottom plate, a pair of standing areas are arranged on the top surface of the bottom plate, handrail frames are installed on two sides of the top of the bottom plate, and anti-skid pads are sleeved on the tops of the handrail frames.

Preferably, the bottom of the support frame is provided with an installation tube, and the installation tube is installed at the top of the handrail frame.

Preferably, a main machine is arranged in the standing frame, and a load detection system and a motor control system are arranged in the main machine.

Preferably, the detection steps of the load detection system are as follows:

s1.1, a tester stands in a standing frame, and the pressure of feet of the tester during standing is detected through a pressure sensing module arranged in the standing frame;

s1.2, amplifying the pressure signal detected by the pressure sensing module through a signal amplification module;

s1.3, inputting the amplified pressure signal into a single chip microcomputer processing module after the amplified pressure signal passes through a signal conversion module;

and S1.4, converting the pressure signal processed by the single chip microcomputer processing module into a pressure numerical value, and displaying the pressure numerical value on the host through the display module.

Preferably, the control method of the motor control system is as follows:

s2.1, inputting a motor control instruction by adopting a key control module in the host;

and S2.2, the motor driving module receives the input motor control command and drives the motor to work.

Compared with the prior art, the invention has the beneficial effects that:

1. in the multifunctional lower limb weight-bearing treatment system, the straps are adopted to fix a tester, the overall height of the straps is adjusted by rolling the traction ropes through the working motor, the condition of lower limb weight bearing is simulated, and the lower limb weight-bearing rehabilitation training of the system is realized.

2. In this multi-functional heavy burden treatment system of low limbs, set up the handrail frame in bottom plate both sides, on the inspection personnel of being convenient for stand the bottom plate, the handrail frame is held up to both hands, supports standing, sets up the slipmat simultaneously and increases the frictional force between palm and the handrail frame, prevents palm and handrail frame slippage, can one accomplish low limbs heavy burden training.

3. Among this multi-functional heavy burden treatment system of low limbs, set up the detection system that bears a burden, can real-time detection low limbs bear a burden pressure data, the circumstances of bearing a burden of different regions on the simultaneous display footprint is convenient for compare two feet, as the reference of disease.

4. In the multifunctional lower limb load treatment system, a motor control system is arranged to control the pulling force of the pulling traction rope of the motor, so that the adjustment of the load pressure of the lower limbs is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a harness suspension of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2A according to the present invention;

FIG. 4 is a schematic view of the back fixing device of the present invention;

FIG. 5 is a schematic view of the stand structure of the present invention;

FIG. 6 is a schematic view of the overall structure in embodiment 2 of the present invention;

FIG. 7 is a block diagram of the detection steps of the load detection system of the present invention;

FIG. 8 is a schematic diagram of the operation of the signal amplification module of the present invention;

FIG. 9 is a schematic diagram of the operation of the signal conversion module of the present invention;

FIG. 10 is a schematic diagram of the operation of the single-chip processor processing module of the present invention;

FIG. 11 is a schematic diagram of the operation of the system power supply module of the present invention;

FIG. 12 is a schematic diagram of the operation of the display module of the present invention;

FIG. 13 is a block flow diagram of a control method of the motor control system of the present invention;

FIG. 14 is a schematic diagram of the operation of the key control module of the present invention;

figure 15 is a pin diagram of a motor drive module of the present invention,

fig. 16 is a pin diagram operational schematic of the motor drive module of the present invention.

The various reference numbers in the figures mean:

1. a standing frame; 11. a base plate; 12. a standing area; 13. a handrail frame; 14. a non-slip mat;

2. a harness suspension device; 21. a support frame; 22. a fixed mount; 23. a traction sheave; 24. a hauling rope; 25. a connecting hook; 26. a back fixing device; 27. a spool; 28. a working motor; 29. mounting the cylinder;

231. a pulley; 232. a baffle plate; 233. a bearing;

261. a harness; 262. a sling; 263. a connecting ring; 264. a rough surface magic tape; 265. a thorn face magic tape;

3. a host.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The invention provides a lower limb multifunctional weight-bearing treatment system, as shown in figures 1-5, comprising a standing frame 1 and a strap suspension device 2, wherein the strap suspension device 2 comprises a support frame 21 and a fixed frame 22, the top parts of the support frame 21 and the fixed frame 22 are respectively provided with a traction pulley 23, the traction pulley 23 comprises a pulley 231, two sides of the pulley 231 are respectively provided with a baffle 232, the traction pulley 23 is internally provided with a traction rope 24, the traction rope 24 is wound in the pulley 231, the traction rope 24 is driven to move by the rotation of the pulley 231, meanwhile, the size of the baffle 232 is larger than that of the pulley 231, so that when the traction rope 24 moves in the pulley 231, the traction rope 24 falls off from the pulley 231, the bearing 233 is installed on the outer wall of the baffle 232, the support frame 21 is installed on the inner ring of the corresponding bearing 233, and the fixing frame 22 is installed on the inner ring of the corresponding bearing 233, so that the traction pulley 23 can stably rotate in the support frame 21 and the fixing frame 22.

In this embodiment, a connecting hook 25 is installed at one end of the hauling cable 24, a back fixing device 26 is arranged at the bottom of the connecting hook 25, and the connecting hook 25 is pulled by the hauling cable 24 to drive the back fixing device 26 to change the position, so that the overall height of the back fixing device 26 can be adjusted conveniently.

Further, the other end of the pulling rope 24 is wound on a winding reel 27, a working motor 28 for driving the winding reel 27 to rotate is installed at one end of the winding reel 27, the winding reel 27 is driven by the working motor 28 to wind the pulling rope 24, the connecting hook 25 is driven to change in position, and the height adjustment of the back fixing device 26 is completed.

Specifically, back fixing device 26 includes braces 261, the top of braces 261 is provided with go-between 263, go-between 263 hangs in coupling hook 25, be provided with four suspender 262 at least between braces 261 and the go-between 263, be convenient for couple 263 steadily pulls braces 261, when coupling hook 25 moves, pull the change of coupling ring 263 position, and pull braces 261 through suspender 262, during the use, tie up braces 261 at the user back, through changing the position of braces 261, can simulate the circumstances that the low limbs bore a burden, realize the low limbs and bear a burden rehabilitation training.

It is worth to say that, hair side magic tape 264 is installed to the one end of braces 261, and thorn side magic tape 265 is installed to the other end of braces 261, and hair side magic tape 264 and thorn side magic tape 265 bond the cooperation, pastes each other through hair side magic tape 264 and thorn side magic tape 265, is convenient for wearing and dismantling of braces 261.

In addition, frame 1 of standing includes

bottom plate

11, and 11 top surfaces of bottom plate are provided with a pair of district 12 of standing, and the measurement personnel accuracy finds the position of standing, and handrail frame 13 is installed to bottom plate 11 top both sides, and the measurement personnel of being convenient for stand on bottom plate 11, and handrail frame 13 is held up to both hands, is convenient for support standing, and handrail frame 13 top cover is equipped with slipmat 14, and slipmat 14 preferably adopts the rubber material to make, increases the frictional force between palm and the handrail frame 13, prevents palm and handrail frame 13 slippage.

In addition, the bottom of the support frame 21 is provided with an installation tube 29, and the installation tube 29 is installed on the top of the handrail frame 13, so that the support frame 21 can be conveniently fixed on the top of the handrail frame 13.

Example 2

As shown in fig. 6 to 12, the standing frame 1 is provided with a main frame 3, and the main frame 3 is provided with a load detection system.

The detection steps of the load detection system are as follows:

s1.1, a tester stands in a standing frame 1, and the pressure of feet of the tester during standing is detected through a pressure sensing module arranged in the standing frame 1;

and S1.4, converting the pressure signal processed by the single chip microcomputer processing module into a pressure numerical value, and displaying the pressure numerical value on the host 3 through the display module.

In this embodiment, the pressure sensing module is disposed inside the bottom plate 11, and the pressure sensing module corresponds to the position of the standing area 12, so that when two feet stand in the standing area 12, the pressure sensing module detects the pressure of the lower limbs, and the pressure sensing module preferably adopts a capacitive sensing pressure sensor.

Further, the signal amplification module adopts an INA126 chip, and a circuit thereof is shown in fig. 8, so that the common mode rejection ratio is high, the differential mode input impedance is large, the gain is high, the precision is good, and an external interface is simple.

Specifically, the signal conversion module performs a/D conversion on the data by using a/D0805, and the working principle is as shown in fig. 9.

Still further, the singlechip processing module selects an AT89C51 singlechip, the device is manufactured by adopting an ATMEL high-density nonvolatile memory manufacturing technology and is compatible with an MCS-51 instruction set and an output pin of an industrial standard, and the AT89C51 of the ATMEL, which combines a multifunctional 8-bit CPU and a flash memory in a single chip, is an efficient microcontroller and provides a scheme with high flexibility and low cost for a plurality of embedded control systems. In addition, the provision of steady state logic AT89C51 may support two software selectable power down modes with static logic AT low to zero frequency. In the idle mode the CPU stops working. However, the serial port of the RAM timer counter and the interrupt system still work, the RAM contents are saved in the power-down mode, and the oscillator is frozen to prohibit other chip functions from being used until the next hardware is reset, and the working principle is as shown in fig. 10.

In addition, in the embodiment, a 220V power supply is adopted for supplying power, but most of the chips used in the embodiment have an operating voltage of 5V, so that 220V alternating current needs to be converted into 5V direct current, and the operating principle of the power conversion module is shown in fig. 11.

In addition, in order to display the pressure value, the display module of the invention adopts a 1602 liquid crystal module, the pin connection line of which is shown in fig. 12, wherein the 1 st pin and the 2 nd pin are driving power supplies of liquid crystal; the third pin VL is used for adjusting the contrast of liquid crystal, a 10K multi-turn adjustable resistor is connected between VCC and GND, the middle tap is connected with VL to realize the adjustment of the contrast of the liquid crystal, and control lines RS and R/W, E of the liquid crystal are respectively connected with data ports P0.5, P0.6 and P0.7 of a singlechip and connected with a port P2 BL + and BL-of the singlechip as liquid crystal backlight power supplies.

It should be noted that the display module can not only display the pressure value, but also display the footprint, which can reflect the load situation of different areas on the footprint, so as to compare two feet conveniently, and can also be used as a reference for some diseases, such as heel pain.

Example 3

As shown in fig. 13 to 16, a motor control system is provided in the main body 3, and a control method of the motor control system is as follows:

s2.1, inputting a motor control instruction by adopting a key control module in the host 3;

In this embodiment, the key control module adopts a 4 × 4 keyboard to set the function keys, the interface circuit between the determinant keyboard and the single chip microcomputer is shown in fig. 14, H0-H3 is a row line, the high 4 bits of the P2 port of the single chip microcomputer are connected, L0-L3 are column lines, and the low 4 bits of the P2 port of the single chip microcomputer are connected. The keyboard row line is high level and the column line is low level during initialization. The row line of the keyboard is connected with a 4-input AND gate, and the output of the 4-input AND gate is connected with a P3.2 port of an external interrupt 0 pin of the singlechip. When a key is pressed down, interruption is generated, and the key is scanned in an interruption program to obtain the key value of the key.

Specifically, the working motor 28 preferably uses a stepping motor, the stepping motor uses a L298N driving chip for driving control, L298N is a driving chip dedicated to a double full Bridge stepping motor produced by SGS-THOMSON Microelectronics, which contains a 4-channel logic driving circuit inside, and is a dedicated driver for two-phase and four-phase stepping motors, and can simultaneously drive 2 two-phase or 1 four-phase stepping motors, and a high-voltage and high-current double full Bridge driver containing two H-bridges receives a standard TTL logic level signal to drive stepping motors below 46V and 2A, and the Pin diagram of the driver is shown in fig. 15, wherein Pin1 and Pin15 can be connected with a resistance for current detection to control a load circuit; 2 stepping motors are respectively connected between OUTL, OUT2 and OUT3, OUT 4; input1-input4 inputs control potential to control the positive and negative rotation of the motor; enable then controls the motor to stall.

Further, as shown in fig. 16, the operating schematic diagram of the H-bridge driving circuit in L298N shows that the transistors on the same side cannot be turned on simultaneously, and when VT1 and VT4 are turned on and VT2 and VT3 are turned off, a current flows from a positive voltage through VT1, flows into the motor from the positive electrode of the motor, and then flows into the motor through VT4, and at this time, the motor operates in a forward direction. Similarly, when VT2 and VT3 are conducted, current enters the motor from the negative pole, and the motor runs in the reverse direction. When VT1 and VT3 or VT2 and VT4 are turned on simultaneously, the motor is in a braking state.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A multi-functional weight-bearing treatment system of low limbs, includes stand frame (1) and braces suspender hanging device (2), its characterized in that: braces hanging device (2) are including support frame (21) and mount (22), traction pulley (23) are installed respectively to the top of support frame (21) and mount (22), be provided with haulage rope (24) in traction pulley (23), coupling hook (25) are installed to the one end of haulage rope (24), the bottom of coupling hook (25) is provided with back fixing device (26), the other end winding of haulage rope (24) is at reel (27), the one end of reel (27) is installed and is used for driving reel (27) pivoted work motor (28).

2. The lower extremity multi-functional weight therapy system of claim 1, wherein: traction sheave (23) are including pulley (231), baffle (232) are installed respectively to the both sides of pulley (231), the size of baffle (232) is greater than pulley (231), bearing (233) are installed to the outer wall of baffle (232).

3. The lower extremity multi-functional weight therapy system of claim 1, wherein: the back fixing device (26) comprises a back belt (261), a connecting ring (263) is arranged at the top of the back belt (261), the connecting ring (263) is hung in the connecting hook (25), and at least four hanging belts (262) are arranged between the back belt (261) and the connecting ring (263).

4. The lower extremity multi-functional weight therapy system of claim 3, wherein: the hair side magic tape (264) is installed at one end of the strap (261), the thorn side magic tape (265) is installed at the other end of the strap (261), and the hair side magic tape (264) is in bonding fit with the thorn side magic tape (265).

5. The lower extremity multi-functional weight therapy system of claim 1, wherein: the standing frame (1) comprises a bottom plate (11), a pair of standing areas (12) are arranged on the top surface of the bottom plate (11), handrail frames (13) are installed on two sides of the top of the bottom plate (11), and anti-skid pads (14) are sleeved on the tops of the handrail frames (13).

6. The lower extremity multi-functional weight therapy system of claim 5, wherein: an installation cylinder (29) is installed at the bottom of the support frame (21), and the installation cylinder (29) is installed at the top of the armrest frame (13).

7. The lower extremity multi-functional weight therapy system of claim 1, wherein: a host (3) is arranged in the standing frame (1), and a load detection system and a motor control system are arranged in the host (3).

8. The lower extremity multi-functional weight therapy system of claim 7, wherein: the detection steps of the load detection system are as follows:

s1.1, a detector stands in a standing frame (1), and the pressure of feet of the detector during standing is detected through a pressure sensing module arranged in the standing frame (1);

and S1.4, converting the pressure signal processed by the single chip microcomputer processing module into a pressure numerical value, and displaying the pressure numerical value on the host (3) through the display module.

9. The lower extremity multi-functional weight therapy system of claim 7, wherein: the control method of the motor control system comprises the following steps:

s2.1, inputting a motor control instruction by adopting a key control module in the host (3);