Neck, waist and leg strength measurement and evaluation equipment

Abstract

The utility model discloses neck, waist and leg strength measuring and evaluating equipment, which relates to the technical field of strength measuring and evaluating and comprises a fixed base, an adjustable seat, a pedal mechanism, a neck and waist hanging mechanism, a detection mechanism and a control unit, one end of the fixed base is connected with the adjustable seat, and the other end of the fixed base is connected with a case of the control unit and the neck and waist hanging mechanism. A pair of pedal mechanisms is symmetrically connected to the two sides of the case, the neck and waist hanging mechanism is located on the outer side of the case, the pedal mechanisms and the neck and waist hanging mechanism are each provided with a detection mechanism, the detection mechanisms are in communication connection with the control unit, the detection mechanisms are used for detecting neck and waist tension and leg pedaling force, and the control unit can summarize and evaluate data of the detection mechanisms. According to the utility model, the strength and strength endurance of neck, waist and leg muscle groups of a person can be scientifically measured, multi-dimensional strength training can be realized, a training guide curve is randomly edited and established through the control unit, real-time evaluation and comprehensive evaluation are carried out on a following effect, and the strength training is ensured to be scientific and effective.

Description

Technical Field

[0001] The utility model relates to the technical field of strength measurement and evaluation, in particular to a device for measuring and evaluating the strength of the neck, waist and legs. Background Art

[0002] The high maneuverability of modern fighter jets often requires pilots to perform complex aerobatic maneuvers during combat and training. The high gravitational acceleration (g) often causes discomfort in the pilot's neck and waist, and even injuries. Especially in practical training modes such as free air combat and system confrontation, factors such as high G values ​​and high maneuverability place higher demands on the pilot's neck, waist and legs, making it more likely to cause neck and waist injuries. The probability of neck and waist injuries caused by factors such as poor sitting posture and passive flight is also increasing. In addition, the continuous tension of the lower limbs and abdominal muscles is the core of anti-gravity movements. The strength of the pilot's lower limbs and abdominal muscles plays a very important supporting role in the anti-gravity effect of anti-gravity movements.

[0003] Currently, the existing technology can only realize the measurement of single strength of pedaling or pulling force. The measurement method is relatively simple and lacks systematic multi-dimensional measuring instruments. It cannot meet various training purposes, nor can it effectively evaluate the following effect of the guided curve and cannot give evaluation results. Utility Model Content

[0004] The purpose of the utility model is to provide a neck, waist and leg strength measurement and evaluation device to solve the problems existing in the above-mentioned prior art, so that the strength and strength endurance of the pilot's neck, waist and leg muscles can be scientifically measured, and multi-directional and multi-dimensional strength training can be achieved.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a neck, waist and leg strength measurement and evaluation device, comprising a fixed base, an adjustable seat, a pedal mechanism, a neck and waist suspension mechanism, a detection mechanism and a control unit, one end of the fixed base is connected to the adjustable seat, the other end is connected to the chassis of the control unit, a pair of the pedal mechanisms are symmetrically connected to the two sides of the chassis, one end of the fixed base is provided with the neck and waist suspension mechanism, the neck and waist suspension mechanism is located on the outside of the chassis, the pitch angle of the adjustable seat can be adjusted and the distance between the adjustable seat and the pedal mechanism can be adjusted, the detection mechanism is respectively provided on the pedal mechanism and the neck and waist suspension mechanism, the detection mechanism is communicatively connected to the control unit, the detection mechanism is used to detect neck and waist tension and leg pedaling force, and the control unit can summarize and evaluate the data of the detection mechanism.

[0007] Preferably, the fixed base is I-shaped, a pair of foot pads are symmetrically arranged at both ends of the fixed base, a pair of rollers are arranged on the side of one end of the fixed base, a pair of L-shaped support plates are symmetrically arranged on the middle beam of the fixed base, and the adjustable seat, the footrest mechanism, the neck and waist suspension mechanism and the control unit are all arranged on the middle beam.

[0008] Preferably, the adjustable seat includes a backrest, a seat surface, a sliding mechanism and a pitch mechanism, the seat surface is fixed to the front end of a base, the backrest and the seat surface are arranged adjacent to each other, the lower end of the backrest is hinged to the base, the middle part is connected to the base through the pitch mechanism, and the base is connected to a support seat through the sliding mechanism.

[0009] Preferably, the sliding mechanism includes a slide rail and a slider, the slide rail is obliquely arranged on the top of the support seat, two pairs of sliders are symmetrically arranged on the bottom of the base, the slide grooves of the sliders match the slide rails, spring pins are arranged on the side panels of the base, a positioning plate located between the two slide rails is arranged on the support seat, a plurality of sockets are arranged on the positioning plate, the spring pin can be plugged into any one of the sockets for locking, and the sliding mechanism can make the seat surface and the chair back slide forward and backward.

[0010] Preferably, the pitch mechanism includes a connecting ear and an arc-shaped adjustment plate, the connecting ear is arranged on both sides of the U-shaped groove at the end of the base, one end of the arc-shaped adjustment plate is connected to the middle part of the chair back, and the other end passes through the U-shaped groove, and a plurality of sockets are arranged on the arc-shaped adjustment plate, each of which can be connected to the connecting ear through a spring pin.

[0011] Preferably, a chest support mechanism is provided on the cross beam between the adjustable seat and the chassis, and the chest support mechanism includes a transverse support rod, a vertical support rod and a T-connecting piece, the lower end of the vertical support rod is fixed to the cross beam, and one end of the T-connecting piece is inserted at the upper end, and the other end of the T-connecting piece is penetrated and sleeved with the transverse support rod, and a plurality of sockets are evenly spaced on the transverse support rod, the vertical support rod and the two arms of the T-connecting piece, and the transverse support rod, the vertical support rod and the T-connecting piece are respectively connected to each other by spring pins; a pair of holding handles are symmetrically provided on both sides of the base; the chair surface is always in a horizontal state, and an angle of 10°-30° is set between the chair surface and the base.

[0012] Preferably, the neck and waist suspension mechanism includes a column, a sliding sleeve and a hanging ear. The column is provided with a pair and is vertically connected to the fixed base. Two sliding sleeves are respectively sleeved on each column. A plurality of sockets are respectively provided at the middle and top of the column. The sliding sleeve is matched with the socket through a spring pin. The two sliding sleeves located at the same horizontal position are a pair. The two pairs of sliding sleeves are connected by a connecting plate. The connecting plate is used to connect the detection mechanism of the neck or waist.

[0013] Preferably, one side of the column is connected to a touch display device via a universal connecting rod bracket, and the touch display device is communicatively connected to the control unit; the universal connecting rod bracket includes two parallel first cross bars, a second cross bar, a rotating connector and a rotating bracket, one end of the two first cross bars is hinged to the column, and the other end is hinged to the second cross bar, the second cross bar can be folded in the hollow gap between the two first cross bars, the end of the second cross bar is hinged to the rotating connector, the rotating connector is rotatably connected to the rotating bracket, and the touch display device is connected to the rotating bracket.

[0014] Preferably, the pedal mechanism includes an obliquely arranged transverse support arm and a pedal, the transverse support arm is symmetrically arranged on both sides of the chassis, the transverse support arm is connected to the pedal, and the pedal is connected to the detection mechanism for detecting the pedal force.

[0015] Preferably, the detection mechanism includes neck and waist tension sensors, leg pedal force sensors and breathing detection sensors, the neck and waist tension sensors are respectively arranged on the neck and waist suspension mechanism, the leg pedal force sensors are arranged on the pedal mechanism, and the breathing detection sensor is worn on the mouth and nose of the test person.

[0016] Compared with the prior art, the utility model has achieved the following technical effects:

[0017] The utility model can scientifically measure the strength and strength endurance of the pilot's neck, waist and leg muscles, can realize multi-directional and multi-dimensional strength training, and can arbitrarily edit and establish training guidance curves through the control unit, conduct real-time and comprehensive evaluation of the following effect, and ensure that the strength training is scientific and effective. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The structure of the neck, waist and leg strength measurement and evaluation device in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 The structure of the neck, waist and leg strength measurement and evaluation device in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 The structure of the neck, waist and leg strength measurement and evaluation device in the embodiment of the utility model is shown in FIG. Figure 3 ;

[0022] Figure 4 The structure of the neck, waist and leg strength measurement and evaluation device in the embodiment of the utility model is shown in FIG. Figure 4 ;

[0023] Figure 5 A schematic diagram of a leg pedaling force curve provided by an embodiment of the utility model;

[0024] Figure 6 An operation flow chart corresponding to the method for measuring and evaluating the strength of the neck, waist and legs provided in an embodiment of the utility model;

[0025] In the figure: 1-fixed base, 2-foot pad, 3-roller, 4-support plate, 5-chassis, 6-seat surface, 7-backrest, 8-base, 9-slide rail, 10-slider, 11-support seat, 12-connecting ear, 13-arc adjustment plate, 14-spring latch, 15-jack, 16-lateral support rod, 17-vertical support rod, 18-T connector, 19-grip handle, 20-column, 21-slide sleeve, 22-touch display screen, 23-first cross bar, 24-second cross bar, 25-rotating connector, 26-rotating bracket, 27-positioning plate, 28-pedal, 29-lateral support arm, 30-leg force sensor, 31-neck and waist tension sensor, 32-handle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The purpose of the utility model is to provide a neck, waist and leg strength measurement and evaluation device to solve the problems existing in the prior art, so that the strength and strength endurance of the pilot's neck, waist and leg muscles can be scientifically measured, and multi-directional and multi-dimensional strength training can be achieved.

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] Embodiment 1

[0030] like Figures 1 to 4 As shown, the utility model provides a neck, waist and leg strength measurement and evaluation device, including a fixed base 1, an adjustable seat, a pedal mechanism, a neck and waist suspension mechanism, a detection mechanism and a control unit, one end of the fixed base 1 is connected to the adjustable seat, the other end is connected to a chassis 5 of the control unit, a pair of pedal mechanisms are symmetrically connected to both sides of the chassis 5, a neck and waist suspension mechanism is arranged at one end of the fixed base 1, the neck and waist suspension mechanism is located on the outside of the chassis 5, the pitch angle of the adjustable seat can be adjusted and the distance with the pedal mechanism can be adjusted, detection mechanisms are respectively arranged on the pedal mechanism and the neck and waist suspension mechanism, the detection mechanism is communicatively connected with the control unit, the detection mechanism is used to detect neck and waist tension and leg pedaling force, and the control unit can summarize and evaluate the data of the detection mechanism.

[0031] Among them, the chassis 5 is equipped with a host computer, a power module and an AD conversion module. The side panels of the chassis are designed with louvered heat dissipation windows to ensure stable operation of the host. The top of the chassis is designed with a power switch (with a power indicator light) and 2 USB ports to facilitate operations such as turning on the device and reading data.

[0032] As an optional solution, the fixed base 1 in the present embodiment is I-shaped, and a pair of foot pads 2 are symmetrically arranged at both ends of the fixed base 1. The foot pads 2 are preferably steel-coated rubber feet to ensure the stability of the equipment after deployment and to ensure stable support during the test without significant shaking or displacement; a pair of rollers 3 are arranged on the side of one end of the fixed base 1, and a handle is arranged at the other end, which is matched with the two nylon rollers 3 designed at the front of the base frame. An integrated handle is designed at the rear, and the equipment can be easily moved by lifting the rear handle; a pair of L-shaped support plates 4 are symmetrically arranged on the middle beam of the fixed base 1, which can be used for stepping on when measuring force to prevent the equipment from tipping over or falling over. The adjustable seat, foot pedal mechanism, neck and waist suspension mechanism and control unit are all arranged on the middle beam. In this embodiment, the I-shaped structure body adopts 50mm*100mm*3mm and 50mm*150mm*3mm square tube steel as the main frame, which can ensure that the structural parts of the measurement and evaluation system will not be deformed or tipped over when a large tensile or compressive force is applied. At the same time, the chassis 5 and the support frame are welded between the fixed base 1 and the column 20 to form a triangular overall frame, which enhances the structural strength, makes the force uniform, and can effectively reduce the elastic deformation during the measurement process.

[0033] As an optional solution, the adjustable seat in this embodiment includes a backrest 7, a seat surface 6, a sliding mechanism and a pitch mechanism. The seat surface 6 is fixed to the front end of a base 8. The backrest 7 and the seat surface 6 are arranged adjacent to each other. The lower end of the backrest 7 is hinged to the base 8, and the middle part is connected to the base 8 through the pitch mechanism. The base 8 is connected to a support seat 11 through the sliding mechanism. The design of the adjustable seat in this embodiment is ergonomically designed for the application scenario to meet the size and angle requirements. In order to adapt to different tension measurement directions, the comfort of different sitting directions is fully considered when designing the seat. In particular, when testing the lateral tension when sitting sideways or sitting backwards, the person sits on the chair with his feet on the support plate 4, and uses the rope on the waist to pull the neck and waist tension sensor 31 in the middle of the column 20, which can facilitate the body to exert force for detection or training.

[0034] As an optional solution, the sliding mechanism in this embodiment includes a slide rail 9 and a slider 10. The slide rail 9 is obliquely arranged on the top of the support seat 11, and two pairs of sliders 10 are symmetrically arranged on the bottom of the base 8. The slide grooves of the sliders 10 match the slide rails 9. Spring latches 14 are arranged on the side panels of the base 8. A positioning plate 27 located between the two slide rails 9 is arranged on the support seat 11, and a plurality of sockets 15 are arranged on the positioning plate 27. The spring latch 14 can be plugged into any one of the sockets 15 for locking. The sliding mechanism can make the seat 6 and the seat back 7 slide forward and backward. Combined with the use of the spring latch 14, both strength and ease of use are taken into account. In this embodiment, the slide rail 9 adopts two stainless steel linear slide rails 9 with a diameter of 30mm, which are installed on the main frame using an aluminum alloy base 8. They have the characteristics of high precision, low noise, and wear resistance, and a single slide rail can bear a load of 400K. In this embodiment, four stainless steel linear sliders 10 with a load capacity of 50kg are used to connect with the slide rail 9, and 12 jacks 15 are set as gear adjustment holes. The spring pin 14 can be pulled out to adjust the front and back. After the seat is adjusted into place, the spring pin 14 can automatically pop into the limit hole to fix the seat.

[0035] As an optional solution, the pitch mechanism in this embodiment includes a connecting ear 12 and an arc-shaped adjustment plate 13. The connecting ear 12 is arranged on both sides of the U-shaped groove at the end of the base 8. One end of the arc-shaped adjustment plate 13 is connected to the middle part of the chair back 7 and the other end passes through the U-shaped groove. A plurality of sockets 15 are arranged on the arc-shaped adjustment plate 13. Each socket 15 can be connected to the connecting ear 12 through a spring pin 14 to achieve the inclination adjustment of the chair back 7.

[0036] As an optional scheme, in this embodiment, a chest support mechanism is arranged on the cross beam between the adjustable seat and the chassis 5, and the chest support mechanism includes a transverse support rod 16, a vertical support rod 17 and a T-connector 18. The lower end of the vertical support rod 17 is fixed on the cross beam, and one end of the T-connector 18 is inserted at the upper end. The other end of the T-connector 18 is penetrated by the transverse support rod 16. A plurality of sockets 15 are evenly spaced on the two arms of the transverse support rod 16, the vertical support rod 17 and the T-connector 18. The transverse support rod 16, the vertical support rod 17 and the T-connector 18 are respectively connected to each other by spring pins 14; a pair of gripping handles 19 are symmetrically arranged on both sides of the base 8; the seat surface 6 is always in a horizontal state, and an angle of 10°-30° is arranged between the seat surface 6 and the base 8, so as to ensure the test posture. A flexible baffle is provided at one end of the transverse support rod 16 as a chest support member, and a handle 32 is fixedly connected to the lower end of the vertical support rod 17. The chest support member and the handle 32 can be replaced and selected. Both have the same U-shaped base that can be fixed on the crossbeam. Both can be selected as interchangeable parts. The handle 32 is usually selected. The chest support structure can be used to facilitate force when testing the backward tension of the neck, which is convenient for measuring the strength of the neck and waist. The vertical transverse support rod 16 and the vertical support rod 17 are equipped with a spring latch 14, which can be conveniently adjusted in height and length to facilitate adaptation to test persons of different heights; the spring latch 14 preferably uses a 10mm diameter steel rubber-coated spring latch. During the neck tension test, the tester wears a headgear on his head, connects the headgear to the neck and waist tension sensor 31 above the column 20 with a rope, sits sideways on the seat, steps on the support plate 4 on one side, and pushes the head backward to test or train the backward tension of the neck. During the waist tension test, the tester connects the neck and waist tension sensor 31 in the middle of the column 20 with a tension rope on the shoulder strap or waist strap, sits on the seat, steps on a support plate 4 with both feet, and pushes the waist backward, so as to test or train the backward tension of the waist.

[0037] As an optional solution, the neck and waist suspension mechanism in this embodiment includes a column 20, a sliding sleeve 21 and a hanging ear. A pair of columns 20 are provided and are vertically connected to the fixed base 1. Two sliding sleeves 21 are respectively sleeved on each column 20. The middle and top of the column 20 are respectively provided with a plurality of sockets 15. The sliding sleeve 21 is matched with the socket 15 through a spring pin 14. The two sliding sleeves 21 located at the same horizontal position are a pair. The two pairs of sliding sleeves 21 are connected by a connecting plate. The connecting plate is used to connect the detection mechanism of the neck or waist. When in use, one end of the neck and waist tension sensor 31 is installed on the connecting plate and the other end is fixed with a tension rope through a stainless steel hanging ring. The tension rope is tied to the headgear or waist strap of the tester. In this embodiment, the neck-waist suspension mechanism has a lifting and adjusting function, which is convenient for adapting to test persons of different heights. The ear connected to the sensor can be kept level with the test part of the human body, and the problem of inaccurate force measurement caused by the tensile force component generated by the tilt angle formed by the sensor position and the test point position will not be generated; and it avoids interference with the height adjustment of the neck-waist sensor. The column 20 is preferably a chrome-plated square steel bracket. By pulling out the spring pin 14 and sliding the sleeve 21, the height of the sensor can be quickly adjusted according to the height of the test person. The sensor signal line is connected to the power module and the host in the box through the aviation terminal on the upper part of the chassis 5.

[0038] As an optional solution, in this embodiment, one side of the column 20 is connected to a touch screen display device 22 through a universal connecting rod bracket, and the touch screen display device 22 is communicatively connected to the control unit; the universal connecting rod bracket includes two parallel first cross bars 23, a second cross bar 24, a rotating connector 25 and a rotating bracket 26, one end of the two first cross bars 23 is hinged on the column 20, and the other end is hinged to the second cross bar 24, the second cross bar 24 can be located in the hollow gap between the two first cross bars 23 for folding, the end of the second cross bar 24 is hinged with a rotating connector 25, the rotating connector 25 is rotatably connected to the rotating bracket 26, and the rotating bracket 26 is connected to the touch screen display device 22, so as to realize the universal movement of the touch screen display device 22. In this embodiment, the universal connecting rod bracket is made of aluminum alloy, and the bracket can be pulled out and rotated up and down, so as to facilitate the adjustment of the position of the display.

[0039] As an optional solution, the pedal mechanism in this embodiment includes a lateral support arm 29 and a pedal 28 which are arranged obliquely. The lateral support arm 29 is symmetrically arranged on both sides of the chassis 5. The lateral support arm 29 is connected to the pedal 28, and the pedal 28 is connected to a detection mechanism for detecting pedal force. In this embodiment, the pedal mechanism uses a rectangular steel pipe as a bracket, and the left and right pedals 28 are installed on the leg pedal force sensor 30, and meet the ergonomic angle of the leg pedal force; the chassis 5 is provided with heat dissipation ports on both sides to ensure the stable operation of the host, and the cabinet doors on both sides can be disassembled for easy and rapid inspection and maintenance; the lateral support arm 29 uses a rectangular steel pipe as a bracket, and the surface uses an 8mm patterned anti-skid steel plate as the pedal 28 for pedal force detection, and the leg pedal force sensor 30 is installed between the pedal 28 and the lateral support arm 29, and is fixed on the lateral support arm 29 with an inclined design, so that the tester can directly test the foot pedal force when stepping on the pedal 28 with all his strength.

[0040] As an optional solution, the detection mechanism in this embodiment includes a neck and waist tension sensor 31, a leg pedal force sensor 30 and a breathing detection sensor. The two neck and waist tension sensors 31 are respectively arranged at corresponding positions on the neck and waist suspension mechanism, and are responsible for collecting tension data of the neck and waist respectively. The leg pedal force sensor 30 is arranged on the pedal mechanism, and is responsible for collecting pedal force data of the left leg and the right leg respectively. The breathing detection sensor is worn at the mouth and nose of the tester to monitor the breathing condition of the tester or trainer in real time. Among them, the neck and waist tension sensor 31 and the leg pedal force sensor 30 are connected to the computer of the control unit through the USB interface. The upper computer software in the computer can obtain the sensor data in real time through the USB interface, and convert the real-time data of the sensor into corresponding neck, waist and leg strength values ​​according to their respective conversion formulas, and display them on the main interface of the touch display screen 22. The collected values ​​are used as the changes of the Y-axis with the X-axis time, and the waveform of the force changing with time is drawn for display, that is, the real-time monitoring function of the force signal is achieved; other functions such as personnel and data management, project management, display and storage, curve management, training and evaluation, evaluation function, playback and analysis, export function, report generation, etc. are all software functions performed by the upper computer software based on the collected data and user operations, and the core is to realize the strength measurement and evaluation function.

[0041] The host computer monitoring and evaluation software realizes monitoring and control, and has the functions of real-time monitoring, analysis, statistics, and storage of force signals; it has the functions of data playback, export, and generation of test evaluation reports; it has the functions of precision calibration and adjustment of tension and compression sensors, as follows:

[0042] (1) It has personnel and data management functions and can perform management operations such as adding, deleting, modifying and checking personnel information;

[0043] (2) It has the function of selecting and managing items, including leg pushing strength assessment / training, neck muscle strength assessment / training, lumbar muscle strength assessment / training, etc. It can also add items as needed, and edit, delete, etc. the newly added items;

[0044] (3) It has the function of displaying and storing the real-time numerical values ​​and waveforms of neck and waist tension, and can statistically analyze the maximum value, average value, and duration of neck and waist measurements;

[0045] (4) It has the function of displaying and storing the real-time value and waveform of leg pedaling force, and can count the maximum value, average value and duration of the left and right leg measurements;

[0046] (5) It has the function of guiding the evaluation and training content, and can customize the training guidance curve. According to different evaluation and training items, it can superimpose and display the strength values ​​and guidance curves of various channels;

[0047] (6) It has the function of evaluating the following effect of the guidance curve, and gives the evaluation result according to the fitting of the real-time force value and the guidance curve. It can measure and evaluate the maximum pedaling force and pedaling force stability of the pilot;

[0048] (7) It has the functions of replaying, analyzing and exporting the measurement data of the neck, waist and legs;

[0049] (8) The system can output evaluation reports in WORD or PDF format, and can also output Excel data for statistical analysis;

[0050] (9) It has the function of calibrating and adjusting the accuracy of tension and compression sensors. The upper computer calibration software controls the connected sensors via USB and can modify the sensor values ​​accordingly according to the standard input source to achieve the purpose of accuracy calibration.

[0051] Embodiment 2

[0052] like Figures 5 and 6 As shown, this embodiment provides a method for measuring and evaluating the strength of the neck, waist and legs, which is applied to the system in the first embodiment, and includes:

[0053] Obtain the test data from the testing agency; the test data includes: neck and waist tension data and leg pedaling force data.

[0054] Construct a training guide curve; the training guide curve is a two-dimensional curve constructed based on the detection data and the corresponding timestamp.

[0055] According to the training guide curve and the set standard curve, positioning matching processing is performed according to the timestamp to obtain the matching result.

[0056] A set quantitative evaluation method is used to determine the degree of compliance based on the matching results; the degree of compliance is used to characterize the follow-up evaluation during strength training.

[0057] Specifically, the flowchart of this method is shown in Figure 5 Regarding the strength training guidance curve, that is, the training guidance curve, taking the leg pedaling data as an example, it is a two-dimensional curve (mainly in the form of square waves) that combines the customized force to be achieved by the legs as the Y-axis and the duration as the X-axis. Each square wave of different amplitude and length represents the different test forces and different durations to be achieved by the legs. These square waves are combined to form a pedaling guidance curve, and this combined curve can also be repeated to complete multiple cycles.

[0058] Based on the detection mechanism set on the pedal mechanism, which can be a leg pedal force sensor 30, the leg strength parameters of the subject, that is, the leg pedal force data, are collected in real time to obtain the leg pedal force curve, such as Figure 4 As shown in the figure, the curve is the force curve acquired over time when the subject is judged by the "strength curve test evaluation". The measured curve is compared with the preset curve, that is, the set standard curve. By setting the quantitative evaluation method, that is, the quantitative scoring rule, the conformity of the subject's leg strength can be calculated, that is, the conformity of the measured pedaling force curve and the preset curve.

[0059] Regarding the algorithm flow for setting the quantitative evaluation method:

[0060] Since the sampling rate of the equipment of the testing agency fluctuates, it is necessary to match the measured value with the set standard one by one according to the timestamp of the input data. First, subtract the first value from the timestamp to get the time interval between the current time and the start time. According to the set standard curve, locate the start and end time of the value change before and after each setting of the standard curve, and determine the length of the measured data between the start and end points through the time interval calculated previously, so as to set the length of the data point under the standard value, so that the data point and time of the standard curve can correspond to the measured value one by one when the sampling rate is unstable.

[0061] Take the leg pedaling force data, that is, the leg pedaling force as an example: set the left and right foot pedaling force custom curves, and one cycle contains multiple square waves, which are defined as SW1, SW2, SW3..., SW n-1 , SW n . It is necessary to calculate each square wave SW i (i=1,2,3,4,5....n-1,n) quantitative score Score SWi .

[0062]

[0063] ScoreSW The higher it is, the better the stability, continuity and regulation of the leg pushing force; otherwise, the worse it is.

[0064] In actual application, the left and right pedal force sensors each generate 10 pressure values ​​PV per second. i (i=1,2,3...,9,10), take the average value PV_Average1 for the first 5 and take the average value PV_Average2 for the last 5, thus generating two effective average pressure values ​​per second. A square wave SW i In the example, several valid PV_Average values ​​can be generated according to the duration of the custom square wave plateau. i (i=1,2,3...,n-1,n) (For example, the plateau period is 10 seconds, which generates 10×10=100 PV values. After averaging, 20 effective average values ​​PV can be obtained. average ).

[0065] The actual pedaling force curve fluctuates around the custom target pedaling force curve, which can be divided into three situations:

[0066] (1) The effective average value of actual pedaling force (PV_Average i ) at the target value (PV targeti ) above PV_Average i >PV targeti ×(1+Up%) (can be set, such as 3%), referred to as above; (2) the actual pedaling force value is below the target curve value PV targeti ×(1-Down%)>PV_Average i (can be set, such as -2%), referred to as below; (3) the actual pedaling force value is basically consistent with the target curve value.

[0067] PV targeti ×(1+Up%)≥PV_Average i ≥PV targeti , referred to as upclosest (4) The actual pedaling force value is basically consistent with the target curve value, PV targeti >PV_Average i ≥PV targeti ×(1-Down%), referred to as downclosest.

[0068] like Figure 4 As shown, the red dotted line is the curve drawn to separate the Above and Upclosest states; the black solid line is the preset curve to separate the Upclosest and Downclosest states; and the blue dotted line is the curve drawn to separate the Below and Downclosest states.

[0069] Current Score cur Score, when PV_Average i In the above state, when PV_Average i In the above state upclosest, Score cur =2, when PV_Average i In downclose state Score cur =0, when PV_Average i In the below state, Score cur =-1, as shown in Table 1.

[0070] Table 1 Score table

[0071]

[0072] Incremental score ΔScore=F(Score cur , Score prev ), where Score prev To use PV_Average i-1 The ΔScore uses the Score in Table 2 cur 、Score prev The score of each square wave is Score SWi =Score SWi +ΔScore i , the final cycle score is:

[0073]

[0074] Table 2 Cycle score table

[0075]

[0076] The scoring principle of ΔScore in Table 2 is Score prev To Score cur 0 to 2 points for an upward or positive trend. prev To Score cur 0 to -2 points for a downward or negative trend. sw For a cycle score, the above method can be used to get the left foot score Score SWL , Right foot score Score SWR , you can also get the total score of the left and right feet Score SWT =Score SWL +ScoreSWR .

[0077] Finally, the evaluation values ​​of the left and right foot pedaling forces are calculated respectively based on the state score and incremental score corresponding to each quantitative score when they are in a completely consistent state as the denominator and the sum of the actual state score and incremental score as the numerator.

[0078] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A device for measuring and evaluating the strength of the neck, waist and legs, characterized by: It includes a fixed base, an adjustable seat, a pedal mechanism, a cervical and lumbar suspension mechanism, a detection mechanism and a control unit, one end of the fixed base is connected to the adjustable seat, the other end is connected to the chassis of the control unit, a pair of the pedal mechanisms are symmetrically connected to the two sides of the chassis, one end of the fixed base is provided with the cervical and lumbar suspension mechanism, the cervical and lumbar suspension mechanism is located on the outside of the chassis, the pitch angle of the adjustable seat can be adjusted and the distance between the pedal mechanism and the cervical and lumbar suspension mechanism can be adjusted, the detection mechanism is respectively provided on the pedal mechanism and the cervical and lumbar suspension mechanism, the detection mechanism is communicatively connected to the control unit, the detection mechanism is used to detect cervical and lumbar tension and leg pedaling force, and the control unit can summarize and evaluate the data of the detection mechanism.

2. The neck, waist and leg strength measurement and assessment device according to claim 1, characterized in that: The fixed base is I-shaped, and a pair of foot pads are symmetrically arranged at both ends of the fixed base, a pair of rollers are arranged on the side of one end of the fixed base, and a pair of L-shaped support plates are symmetrically arranged on the middle beam of the fixed base. The adjustable seat, the footrest mechanism, the neck and waist suspension mechanism and the control unit are all arranged on the middle beam.

3. The neck, waist and leg strength measurement and evaluation device according to claim 1, characterized in that: The adjustable seat includes a backrest, a seat surface, a sliding mechanism and a pitch mechanism. The seat surface is fixed to the front end of a base. The backrest and the seat surface are arranged adjacent to each other. The lower end of the backrest is hinged to the base, and the middle part is connected to the base through the pitch mechanism. The base is connected to a support seat through the sliding mechanism.

4. The neck, waist and leg strength measurement and evaluation device according to claim 3 is characterized in that: The sliding mechanism includes a sliding rail and a slider. The sliding rail is tilted on the top of the support seat, and two pairs of sliders are symmetrically arranged on the bottom of the base. The sliding grooves of the sliders match the sliding rails. Spring latches are arranged on the side panels of the base. A positioning plate located between the two sliding rails is arranged on the support seat, and a plurality of sockets are arranged on the positioning plate. The spring latch can be plugged into any one of the sockets for locking. The sliding mechanism can make the seat surface and the chair back slide forward and backward.

5. The neck, waist and leg strength measurement and evaluation device according to claim 3 is characterized in that: The pitch mechanism includes a connecting ear and an arc-shaped adjustment plate, wherein the connecting ear is arranged on both sides of the U-shaped groove at the end of the base, one end of the arc-shaped adjustment plate is connected to the middle part of the chair back, and the other end passes through the U-shaped groove, and a plurality of sockets are arranged on the arc-shaped adjustment plate, each of which can be connected to the connecting ear through a spring pin.

6. The neck, waist and leg strength measurement and evaluation device according to claim 3, characterized in that: A chest support mechanism is arranged on the crossbeam between the adjustable seat and the chassis, and the chest support mechanism includes a transverse support rod, a vertical support rod and a T-connecting piece. The lower end of the vertical support rod is fixed on the crossbeam, and one end of the T-connecting piece is inserted at the upper end, and the other end of the T-connecting piece is penetrated and sleeved with the transverse support rod. A plurality of sockets are evenly spaced on the transverse support rod, the vertical support rod and the two arms of the T-connecting piece, and the transverse support rod, the vertical support rod and the T-connecting piece are connected to each other by spring pins respectively; a pair of holding handles are symmetrically arranged on both sides of the base; the chair surface is always in a horizontal state, and an angle of 10°-30° is arranged between the chair surface and the base.

7. The neck, waist and leg strength measurement and evaluation device according to claim 1, characterized in that: The neck and waist suspension mechanism includes a column, a sliding sleeve and a hanging ear. The column is provided with a pair and is vertically connected to the fixed base. Two sliding sleeves are respectively sleeved on each column. The middle and top of the column are respectively provided with a plurality of sockets. The sliding sleeves are matched with the sockets through spring pins. The two sliding sleeves located at the same horizontal position are a pair. The two pairs of sliding sleeves are connected by a connecting plate. The connecting plate is used to connect the detection mechanism of the neck or waist.

8. The neck, waist and leg strength measurement and assessment device according to claim 7, characterized in that: A touch display device is connected to one side of the column through a universal connecting rod bracket, and the touch display device is communicatively connected to the control unit; the universal connecting rod bracket includes two parallel first cross bars, a second cross bar, a rotating connector and a rotating bracket, one end of the two first cross bars is hinged to the column, and the other end is hinged to the second cross bar, the second cross bar can be folded in the hollow gap between the two first cross bars, the end of the second cross bar is hinged to the rotating connector, the rotating connector is rotatably connected to the rotating bracket, and the touch display device is connected to the rotating bracket.

9. The neck, waist and leg strength measurement and evaluation device according to claim 1, characterized in that: The pedal mechanism comprises an inclined transverse support arm and a pedal, wherein the transverse support arm is symmetrically arranged on both sides of the chassis, the transverse support arm is connected to the pedal, and the pedal is connected to the detection mechanism for detecting pedal force.

10. The neck, waist and leg strength measurement and evaluation device according to claim 1, characterized in that: The detection mechanism includes neck and waist tension sensors, leg pedal force sensors and breathing detection sensors. The neck and waist tension sensors are respectively arranged on the neck and waist suspension mechanism, the leg pedal force sensors are arranged on the pedal mechanism, and the breathing detection sensor is worn on the mouth and nose of the test person.

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