CN112426669A

CN112426669A - Lower limb strength and rehabilitation training instrument and training method

Info

Publication number: CN112426669A
Application number: CN202011191359.3A
Authority: CN
Inventors: 丁彩红; 郭嘉苇; 邹子豪
Original assignee: Donghua University
Current assignee: Donghua University
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-03-02
Anticipated expiration: 2040-10-30
Also published as: CN112426669B

Abstract

The invention relates to a lower limb strength and rehabilitation training device which comprises a body structure, a power wheel, a steel wire rope, a guide wheel, a pedal plate, a man-machine interaction system and a power drive control unit. The invention also relates to a lower limb strength and rehabilitation training method. The invention sets parameters in the human-computer interaction system, and the power driving control unit drives and controls the output force and the speed of the power wheel to form the force balance relation between the pedal plate and the leg of the trainer, thereby realizing the strength training or rehabilitation training of the leg muscle of the trainer. The invention solves the problems of single function, insufficient safety and adaptability of the traditional training apparatus or rehabilitation apparatus.

Description

Lower limb strength and rehabilitation training instrument and training method

Technical Field

The invention relates to an instrument suitable for strength and rehabilitation training of lower limb muscles and a method for training by adopting the training instrument, and belongs to the technical field of medical rehabilitation instruments.

Background

Aiming at the crowds with insufficient lower limb muscle strength, especially for the old and the patients with lower limb muscle rehabilitation, the lower limb muscle strength exercise by the instrument is an effective technical means. However, the existing training apparatus specially used for the exercise of the muscle strength of the lower limbs is often used only in medical institutions or special rehabilitation mechanisms, is not popular in the society, and cannot be used for people who are inconvenient to go out. Therefore, a training instrument which is convenient to use at home, safe to operate and high in cost performance is sought, so that the daily requirements of the society with serious aging are met.

Disclosure of Invention

The purpose of the invention is: provides an apparatus which can perform lower limb strength and rehabilitation training and is simple and safe to operate. Another object of the invention is: a training method using the training apparatus is provided.

In order to achieve the above object, one technical solution of the present invention is to provide a lower limb strength and rehabilitation training apparatus, which is characterized by comprising a body structure, a power wheel, a steel wire rope, a guide wheel, a pedal plate, a man-machine interaction system and a power drive control unit, wherein a seat cushion, armrests and a backrest with adjustable inclination are arranged at the rear upper part of the body structure, the armrests are arranged at the left and right sides of the seat cushion, a trainer sits on the seat cushion and leans against the backrest at the back, and the included angle between the backrest and the seat cushion is adjusted by adjusting the inclination of the backrest;

a group of inclined guide rods are arranged in the middle of the body structure, and an included angle is formed between each guide rod and the horizontal plane; defining the front-back direction as the length direction, arranging the guide rods along the length direction of the body structure, wherein the rear ends of the guide rods are positioned at a higher position and close to the seat cushion, and the front ends of the guide rods are positioned at a lower position and are positioned at the front part of the body structure;

the front part of the body structure is provided with an upward vertical supporting rod, and the human-computer interaction system is arranged at the top end of the supporting rod; setting corresponding parameters through a human-computer interaction system to generate corresponding instructions, and displaying training related information and data through the human-computer interaction system;

the guide wheels are rotatably arranged on the body structure and used for guiding the routing of the steel wire rope;

the pedal assembly can translate back and forth along the guide rod without departing from the guide rod; the pedal plate component comprises a main body component matched with the guide rod and rotatable pedals arranged on the left side and the right side of the main body component;

the rear lower part of the body structure is provided with a power wheel and a power driving control unit, and the power driving control unit receives an instruction given by the man-machine interaction system and then drives and controls the power wheel so as to enable the power wheel to realize positive and negative directions, variable-speed rotation and variable-torque output; the outer cylindrical surface of the power wheel is provided with a wire groove, and the steel wire rope is connected with the pedal assembly, then wound through the guide wheel and then wound in the wire groove of the outer cylindrical surface of the power wheel.

Preferably, the steel cord comprises a first steel cord and a second steel cord; one end of a first steel wire rope is fixed at the upper end part of the pedal assembly, and the other end of the first steel wire rope upwards passes through the guide wheels and then winds into a wire groove in the outer cylindrical surface of the power wheel and is fixed on the power wheel; one end of a second steel wire rope is fixed at the lower end part of the pedal component, and the other end of the second steel wire rope downwards passes through the plurality of guide wheels and then winds into a wire groove of the outer cylindrical surface of the power wheel and is fixed on the power wheel; the winding directions of the first steel wire rope and the second steel wire rope on the power wheel are opposite.

Another technical solution of the present invention is to provide a lower limb strength and rehabilitation training method, which is characterized in that the lower limb strength and rehabilitation training apparatus is used to perform a strength training mode and a rehabilitation training mode, wherein the strength training mode includes the following steps:

the method comprises the following steps: setting height parameters of a trainer, the running speed of an instrument and the number of training cycles on an interface of a human-computer interaction system;

step two: the trainer sits on the cushion, leans against the backrest, places two feet on the pedals at two sides of the pedal plate assembly, and holds the armrests at two sides with two hands;

step three: when the training is started, a trainer actively applies force to the pedal assembly, and the pedal assembly does reciprocating uniform motion along the guide rod in the process; when the pedal plate component moves downwards, the force applied by the foot of the trainer acts on the pedal plate component; when the pedal plate component moves upwards, the pedal plate component applies force to the foot of the trainer; the trainer and the power wheel form a force confrontation balance relationship, and the output force of the power wheel is always equal to the force application magnitude of the trainer and changes along with the force application magnitude;

step four: finishing training according to the set training cycle times, and displaying relevant data and a chart of a training result by a human-computer interaction system after finishing training;

the rehabilitation training mode comprises the following steps:

the method comprises the following steps: setting height parameters of a trainer, the running speed of an instrument, rehabilitation force and training cycle times on an interface of a human-computer interaction system;

step two: the trainer sits on the cushion, leans against the backrest, places the two feet on the pedals at the two sides of the pedal plate component and fixes the feet relative to the pedals, and grips the armrests at the two sides with the two hands;

step three: when the training is started, the power wheel outputs a certain acting force on the pedal plate component according to the set rehabilitation force value, so that the pedal plate component does reciprocating uniform motion, and when the pedal plate component moves downwards, the pedal plate component pulls the two legs of the trainer to stretch; when the pedal plate component moves upwards, the pedal plate component pushes the two legs of the trainer to bend; the pedal plate component reciprocates up and down once to finish the once bending and stretching movement of the two legs of the trainer;

step four: and (4) completing rehabilitation training of muscles of the two legs of the trainer according to the set training cycle times, and displaying relevant data and charts of training results by the man-machine interaction system after the training is completed.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: (1) training parameters are set through a man-machine interaction system, the speed and the output force of the power wheel are automatically controlled by the power driving control unit, the operation is simple, the control is flexible, and the safety problem of a counterweight type training instrument caused by a counterweight is effectively avoided; (2) the function that strength training and rehabilitation training can be accomplished on an apparatus simultaneously has been realized, and the initiative and the passive training through shank muscle combine together, can be more quick effectual increase shank muscle strength.

Drawings

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

fig. 2 is a schematic diagram of the operation of the present invention.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

As shown in fig. 1, the lower limb strength and rehabilitation training device according to the present invention comprises a body structure 1, a power wheel 2, a steel wire rope 3, a guide wheel 4, a pedal assembly 5, a man-machine interaction system 6 and a power driving control unit. The main body structure 1 is mainly provided with a cushion 11, handrails 13 at two sides of the cushion and a backrest 12 whose inclination can be adjusted by an adjusting rod 14, in addition to a structural frame. A set of inclined guide bars 15 is provided in the middle of the body structure 1. A support rod is arranged at the front part of the body structure 1 and used for placing a human-computer interaction system 6. At a proper position of the body structure 1 from front to back, a plurality of freely rotatable guide wheels 4 are fixedly installed for routing and guiding the first steel wire rope 3 and the second steel wire rope 3'. The power wheel 2 and the power drive control unit are arranged in the rear lower part of the body structure 1.

As shown in fig. 1, the footrest assembly 5 is arranged on a guide bar 15, reciprocally translatable along the guide bar 15 without departing from the guide bar 15. The power wheel 2 is driven and controlled by the power drive control unit, forward and reverse directions, variable-speed rotation and variable-torque output can be realized, and the outer cylindrical surface of the power wheel 2 is provided with a wire groove for winding the first steel wire rope 3 and the second steel wire rope 3'. The human-computer interaction system 6 is used for setting corresponding parameters to drive and control the movement of the power wheel 2 through the drive control unit, and is also used for displaying training-related information and data.

As shown in fig. 1, one end of the first wire rope 3 is fixed on the upper end of the pedal plate component 5, and the other end of the first wire rope passes upwards through the plurality of guide wheels 4 and then winds into the wire groove of the power wheel 2 and is fixed on the power wheel 2. One end of a second steel wire rope 3' is fixed at the lower end part of the pedal component 5, and the other end of the second steel wire rope passes through a plurality of guide wheels 4 downwards and then winds into a wire groove of the power wheel 2 in the direction opposite to that of the first steel wire rope 3 and is fixed on the power wheel 2.

As shown in FIG. 1, the footrest assembly 5 includes a body part engaged with the guide bar 15 and rotatable pedals 51 provided on left and right sides of the body part, and the pedals 51 have arc-shaped bands on upper portions thereof for restraining the feet of the trainee.

Fig. 2 is a schematic diagram showing the movement of the trainer 7 in the strength training mode and the rehabilitation training mode. Initially, the footrest assembly 5 rests on the upper end of the guide bar 15. The trainer 7 sits on the seat cushion 11, leans against the backrest 12, puts the feet on the pedals 51 after penetrating the arc-shaped protective belts of the pedals 51, and grips the handrails 13 at the two sides with the hands.

When strength training is carried out, the trainer 7 can start training after setting the running speed of the instrument, the height parameter and the training cycle number on the interface of the human-computer interaction system 6. When the pedal assembly 5 moves downwards at a constant speed according to the arrow 8 shown in fig. 2, the trainer 7 actively extends the leg to push the pedal assembly 5, and the output force of the power wheel 2 acts on the pedal through the first wire 3 and the second wire 3' to form a resistance force against the force of the trainer 7 acting on the pedal assembly 5. When the legs are extended in place, the pedal assembly 5 moves upward at a constant speed according to an arrow 8 shown in fig. 2, the output force of the power wheel 2 acts on the pedal assembly 5 through the first wire rope 3 and the second wire rope 3 'to push the legs of the trainer 7 to bend, and at the moment, the legs of the trainer 7 form resistance force to the output force of the power wheel 2 acting on the pedal assembly 5 through the first wire rope 3 and the second wire rope 3'. The step of reciprocating the footrest assembly 5 downward and upward as described above allows the leg muscles of the exerciser 7 to be power exercised.

When carrying out rehabilitation training, the trainer 7 can start training after setting the running speed of the instrument, the height parameter, the rehabilitation force and the training cycle number on the interface of the human-computer interaction system 6. The output force of the power wheel 2 acts on the pedal assembly 5 through the first wire rope 3 and the second wire rope 3', and pulls the pedal assembly 5 to do reciprocating motion as shown by an arrow 8 in fig. 2, so as to drive the legs of the trainer 7 to do passive stretching and bending actions and gradually recover the functions of the leg muscles.

After the training of the muscles of the legs is completed according to the set training cycle times, the interface of the human-computer interaction system 6 displays the relevant data and the chart of the training result.

Claims

1. A lower limb strength and rehabilitation training apparatus, characterized in that, comprising a body structure (1), a power wheel (2), a wire rope, a guide wheel (4), a pedal board (5), a human-computer interaction system (6) and a power drive control unit, wherein the seat cushion (11), the armrests (13) and the backrest (12) with an adjustable inclination are arranged on the rear upper part of the body structure (1), and the armrests (13) are located on the left and right sides of the seat cushion (11). side, the trainer (7) sits on the seat cushion (11) and his back rests on the backrest (12), and adjusts the angle between the backrest (12) and the seat cushion (11) by adjusting the inclination of the backrest (12). ;

A group of inclined guide rods (15) are arranged in the middle of the main body structure (1), and an angle is formed between the guide rods (15) and the horizontal plane; the front-rear direction is defined as the length direction, and the guide rods (15) follow the main body structure (15). 1) is arranged in the length direction, the rear end of the guide rod (15) is located at a higher position and is close to the seat cushion (11), and the front end of the guide rod (15) is located at a lower position and is located at the front of the body structure (1);

The front part of the body structure (1) is provided with an upward vertical support rod, and the human-computer interaction system (6) is arranged at the top of the support rod; corresponding parameters are set through the human-computer interaction system (6) to generate corresponding instructions, and the The human-computer interaction system (6) displays training-related information and data;

A plurality of guide wheels (4) are rotatably mounted on the body structure (1) for guiding the wire ropes;

A footrest assembly (5) is provided on the guide rod (15), and the footrest assembly (5) can reciprocate and translate along the guide rod (15) without departing from the guide rod (15); the footrest assembly (5) includes a main body part matched with the guide rod (15) and rotatable pedals (51) arranged on the left and right sides of the main body part;

The rear lower part of the body structure (1) is provided with a power wheel (2) and a power drive control unit, and the power drive control unit drives and controls the power wheel (2) after receiving the instructions given by the human-machine interaction system (6), so that the power wheel (2) is driven and controlled. (2) Realize forward and reverse directions, variable speed rotation and variable torque output; the outer cylindrical surface of the power wheel (2) has a wire groove, and the wire rope is connected to the pedal board assembly (5) and then wound through the guide wheel (4), and then wound around the power wheel (2). Inside the wire groove of the outer cylindrical surface of the wheel (2).

2. The lower limb strength and rehabilitation training apparatus according to claim 1, wherein the wire rope comprises a first wire rope (3) and a second wire rope (3'); one end of the first wire rope (3) is fixed on the The upper end of the pedal board assembly (5), the other end of which passes upwards through a number of the guide wheels (4), then winds into the wire groove of the outer cylindrical surface of the power wheel (2) and is fixed on the power wheel (2) ); one end of the second wire rope (3') is fixed on the lower end of the pedal board assembly (5), and the other end passes down through a number of the guide wheels (4) and then winds into the power wheel (2) The wire groove of the outer cylindrical surface is fixed on the power wheel (2); the winding directions of the first wire rope (3) and the second wire rope (3') on the power wheel (2) are opposite.

3. a lower limb strength and rehabilitation training method, is characterized in that, adopts the lower limb strength and rehabilitation training apparatus described in claim 1 to carry out strength training mode and rehabilitation training mode, wherein, carrying out strength training mode comprises the following steps:

Step 1: Set the height parameter of the trainer, the running speed of the equipment and the number of training cycles on the interface of the human-computer interaction system (6);

Step 2: The trainer (7) sits on the seat cushion (11), leans against the backrest (12), places both feet on the pedals (51) on both sides of the pedal assembly (5), and holds both sides tightly with both hands armrest (13);

Step 3: At the beginning of the training, the trainer (7) actively applies force to the pedal assembly (5), during this process the pedal assembly (5) reciprocates at a constant speed along the guide rod (15); (5) When moving downward, the trainer's foot exerts force on the footrest assembly (5); when the footrest assembly (5) moves upward, the footrest assembly (5) exerts force on the trainer's foot The trainer (7) and the power wheel (2) form an antagonistic balance relationship of force, and the output force of the power wheel (2) is always equal to the force exerted by the trainer (7) and changes accordingly;

Step 4: complete the training according to the set number of training cycles, after the training is completed, the human-computer interaction system (6) displays the relevant data and graphs of the training results;

Carrying out the rehabilitation training mode includes the following steps:

Step 1: Set the height parameters of the trainer, the running speed of the equipment, the rehabilitation force and the number of training cycles on the interface of the human-computer interaction system (6);

Step 2: The trainer (7) sits on the seat cushion (11) with his back against the backrest (12), and places his feet on the pedals (51) on both sides of the pedal assembly (5) and is opposite to the pedals (51). ) is fixed, and both hands hold the armrests (13) on both sides tightly;

Step 3: At the beginning of training, the power wheel (2) outputs a certain force on the pedal board assembly (5) according to the set rehabilitation force value, so that the pedal board assembly (5) performs a reciprocating and uniform motion, and acts as the pedal board. When the assembly (5) moves downward, the legs of the trainer (7) are pulled by the foot pedal assembly (5) for stretching; when the foot pedal assembly (5) moves upward, the foot pedal assembly (5) is used for stretching. Push the legs of the trainer (7) to bend; the pedal board assembly (5) reciprocates up and down once to complete the flexion and extension of the legs of the trainer (7);

Step 4: Complete the rehabilitation training of the muscles of the legs of the trainer (7) according to the set number of training cycles. After the training is completed, the human-computer interaction system (6) displays relevant data and graphs of the training results.