CN113577733B - Sprint auxiliary training method and system - Google Patents
Sprint auxiliary training method and system Download PDFInfo
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- A—HUMAN NECESSITIES
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/0028—Training appliances or apparatus for special sports for running, jogging or speed-walking
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
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Abstract
The invention discloses a sprint auxiliary training method, which is realized by adopting a sprint auxiliary training system, wherein the system comprises stay rope movement equipment, a power device for driving the movement of the stay rope movement equipment and a control platform, and the method comprises the following steps: the stay cord output end of the stay cord exercise equipment is bound on the body of an athlete needing training; the control platform is used for converting the received training data into control parameters and outputting the control parameters to the power device; the power device releases or stores the pull rope bound on the body of the athlete according to the received control parameters, and applies acting force to the athlete; the control platform acquires training parameters of the athlete during training; and the control platform compares the training parameters with preset motion parameter thresholds and displays comparison results. According to the invention, the movement duration or movement mode is intelligently selected, the rope releasing and receiving speed and the output torque of the rope releasing and receiving speed are controlled by receiving control parameters, so that different acting forces are applied to athletes, and the strength training with different requirements is completed.
Description
Technical Field
The invention relates to the technical field of training equipment, in particular to a sprint auxiliary training method and a sprint auxiliary training system.
Background
In sports training, how to achieve real-time and accurate obtaining of the sports speed of athletes by means of modern scientific and technical means is very important and urgently needed for scientific guidance of sports training and improvement of the sports technical level. For example, in the athletic sports, coaches have put forward urgent demands for "being able to continuously and accurately obtain the speed change curve of the athlete during the sprint training to evaluate the effect of the athlete during the whole complex path of the sprint training"; in sports such as football, basketball, volleyball, table tennis, badminton and the like, a plurality of athletes are usually required to perform important training modes such as turning back running and the like at the same time, namely a plurality of athletes are required to train and test at the same time. At present, no technology and product capable of accurately and simultaneously measuring the motion speed of athletes in real time under complex paths such as straight lines, curves, turning back (straight line turning back, radioactive turning back and the like) and the like are available, and the training requirement of sprinting is met.
Disclosure of Invention
In view of the shortcomings of the prior art, an object of the present invention is to provide a sprint assisting training method, which solves one or more of the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
in a first aspect, the present invention provides a sprint auxiliary training method, the method being implemented using a sprint auxiliary training system, the system including a pull-rope movement apparatus and a control platform, the pull-rope movement apparatus including a pull-rope and a power device for driving the pull-rope movement apparatus to move, a pull-rope output end of the pull-rope movement apparatus being bound to a body of a trained person, the method comprising:
receiving set training parameters;
converting the received training parameters into control parameters for output;
the power device is controlled to pay out or store a pull rope bound on the body of the athlete according to the received control parameters, and acting force is applied to trained personnel;
receiving real-time motion parameters of a pull rope bound on the body of the trained person, and acquiring the motion position of the trained person according to the length of the pull rope bound on the body of the trained person;
according to the real-time motion parameters of the pull rope and the motion positions of the trained personnel, the motion data of the trained personnel at different positions or different time points are obtained, and motion curve information is generated according to preset rules.
Further, in the step of converting the received training parameters into control parameter outputs, the training parameters include a body parameter and a motion parameter, the control parameters are output based on the body parameter and the motion parameter, and stored in a storage module, wherein the body parameter includes: height, weight and body fat rate, the exercise parameters include: duration and speed of movement.
Further, receiving the set training parameters further includes setting a threshold for a pull-cord take-in or pay-out speed and setting a safety distance of the pull-cord from the pull-cord movement apparatus.
Further, the power device is controlled to pay out or store the pull rope bound on the body of the athlete according to the received control parameters, and applies acting force to trained personnel, and the device further comprises
Judging the safety distance between the pull rope and the pull rope movement equipment, and controlling the pull rope movement equipment to store or release the pull rope.
Further, the receiving the set training parameters includes receiving a selected training mode and training data, and loading corresponding training mode data through the selected training mode, wherein the training mode includes: the device comprises a load running mode and a traction running mode, wherein the load running mode is to train the resistance generated by the pull rope movement equipment to the trained personnel through selecting fixed resistance or variable resistance, and the traction running mode is to train the trained personnel through the pull rope movement equipment to generate tension.
Further, according to the real-time motion parameters of the pull rope and the motion positions of the trained personnel, the motion data of the trained personnel at different positions or different time points are obtained, and motion curve information is generated according to preset rules, wherein the preset rules specifically comprise:
the movement position and the movement time are taken as the abscissa X,
taking the motion speed, acceleration or power of the pull rope as an ordinate Y;
and generating a real-time motion curve according to the acquired abscissa X and ordinate Y.
Further, the method further comprises the following steps: in the training process, according to the acquired physical parameters and the set motion parameters of the trained personnel, and based on the physical parameters and the set motion parameters, generating a standard motion curve in the training process,
and displaying the real-time motion curve generated by the trained personnel and the standard motion curve on the same coordinate axis.
In a second aspect, the present invention provides a sprint auxiliary training system, which executes the above-mentioned sprint auxiliary training method, and the control platform includes:
the storage module is used for storing information of trained personnel;
the receiving module is used for receiving the set training parameters;
the training control module is used for converting the received training parameters into control parameters and outputting the control parameters to the power device of the pull rope exercise equipment;
the index acquisition module is used for receiving real-time motion parameters returned by the stay cord in the stay cord motion equipment and acquiring the motion position of the trained personnel according to the length of the stay cord which is bound to be released or stored;
the processing module is used for obtaining the movement data of the trained personnel at different positions or different time points according to the real-time movement parameters of the pull rope and the movement positions of the trained personnel, and generating movement curve information according to preset rules.
The rope pulling movement apparatus includes:
and the power device is used for paying out or accommodating the stay ropes bound on the body of the athlete according to the received control parameters and applying acting force to trained personnel.
Further, the control platform is also connected with a cloud platform, and trained personnel information and training parameters are issued to the control platform through the cloud platform.
The present invention provides a computer device comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface are communicated with each other through the communication bus, the memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the sprint auxiliary training method.
In summary, the invention has the following beneficial effects:
according to the invention, through the cooperation of the stay rope movement equipment and the control platform, firstly, the set training parameters are received and converted into the control parameters to be output, the stay ropes bound on the body of the athlete are controlled to be released or stored through the received control parameters, acting force is applied to the trained personnel, the real-time movement parameters of the stay ropes bound on the body of the trained personnel are received, the movement positions of the trained personnel are obtained according to the release or storage length of the stay ropes, the movement data of different positions or different time points are obtained through calculation, and the movement curve information is generated according to preset regulations. Therefore, the real-time movement condition of the trained personnel can be known in real time through the movement of the pull rope bound on the body of the trained personnel, different acting forces are applied through torque control output by the power device, and meanwhile, the real-time movement parameters of the trained personnel in the training process are intuitively known through movement curve information, so that a better training effect is achieved.
Drawings
FIG. 1 is a flow chart of a sprint auxiliary training method provided by the invention;
FIG. 2 is a flowchart of another embodiment of a method for assisting sprint training provided by the present invention;
FIG. 3 is a flowchart of another embodiment of a method for assisting sprint training provided by the present invention;
FIG. 4 is a flowchart of another embodiment of a method for assisting sprint training provided by the present invention;
FIG. 5 is a block diagram of a sprint auxiliary training system provided by the present invention;
FIG. 6 is a top plan view of the pull rope exercise apparatus of the present invention;
FIG. 7 is a left side view of the construction of the pull rope exercise apparatus of the present invention;
FIG. 8 is a front view of a device frame in a pull-cord exercise device of the present invention;
fig. 9 is a top view of the rope reel assembly in the rope moving apparatus of the present invention;
FIG. 10 is a cross-sectional view taken at A-A of FIG. 9;
FIG. 11 is a top view of a screw drive assembly in a pull rope exercise apparatus of the present invention;
FIG. 12 is a cross-sectional view at B-B in FIG. 11;
FIG. 13 is a cross-sectional view taken at C-C of FIG. 11;
FIG. 14 is a right side view of the pressure roller assembly of the present invention;
fig. 15 is a schematic perspective view of a belt tensioner assembly in a pull-cord exercise apparatus of the present invention.
In the figure:
1. an equipment frame; 11. a left support plate; 12. a right support plate; 13. front and rear support plates; 14. countersunk head screws; 15. a taper pin; 2. a rope reel assembly; 21. a spool bearing; 22. a reel; 23. a small synchronous pulley; 24. a motor; 25. an expansion sleeve; 26. a gland; 3. a screw rod transmission assembly; 31. a screw rod bearing; 32. a ball screw; 33. a large synchronous pulley; 34. a top cover; 35. a spacer bush; 36. a nut seat; 361. a nut; 362. a linear bearing; 37. the outgoing line guide seat; 38. rope porcelain eye; 39. guiding an optical axis; 4. a press roll assembly; 41. a press roller; 42. a spring pressing plate; 43. a press roller bearing; 5. a belt tensioning assembly; 51. adjusting the welding plate; 52. connecting welding plates; 53. a connecting rod; 54. a screw member; 55. connecting a middle rod; 56. a guide bearing follower; 6. a synchronous belt; 7. a shield; 8. and (5) pulling the rope.
Detailed Description
The application technical scheme is further described in detail below with reference to the accompanying drawings.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features in the embodiments may be combined with each other without conflict.
Example 1
As can be seen from fig. 1, the present embodiment provides a sprint auxiliary training method, and the method is implemented by a sprint auxiliary training system, where the system includes a pull rope movement device and a control platform, the pull rope movement device includes a pull rope and a power device for driving the pull rope movement device to move, a pull rope output end of the pull rope movement device is tied to a body of a trained person, the pull rope movement device is provided with the pull rope, the pull rope can be tied to a waist of a player, and the pull rope movement device applies an acting force to the player through the pull rope. The method specifically comprises the following steps:
s100, receiving set training parameters;
s200, converting the received training parameters into control parameters and outputting the control parameters;
s300, controlling the power device to pay out or store a pull rope bound on the body of the athlete according to the received control parameters, and applying acting force to trained personnel;
s400, receiving real-time motion parameters of a pull rope bound on the body of a trained person, and acquiring the motion position of the trained person according to the length of the pull rope bound on the body of the trained person;
s500, obtaining movement data of the trained personnel at different positions or different time points according to real-time movement parameters of the pull rope and the movement positions of the trained personnel, and generating movement curve information according to preset rules.
Wherein the power means may be a servo motor that outputs power to a rope reel assembly located on the rope moving apparatus, the servo motor being configured to drive the rope reel assembly to rotate to pay out or take in the rope to maintain a predetermined wire tension. Specifically, the servo motor can be used for providing forward stress (acceleration) and reverse stress (deceleration) for the athlete through the pull rope, and is used for obtaining the current speed and acceleration of the athlete in the training process, so that the obtained training result is more visual and accurate.
The embodiment of the invention provides a sprint auxiliary training method, which is characterized in that through the cooperation of a pull rope movement device and a control platform, firstly, set training parameters are received and converted into control parameters to be output, the pull ropes bound on the body of a sportsman are controlled to be released or stored through the received control parameters, acting force is applied to trained personnel, real-time movement parameters of the pull ropes bound on the body of the trained personnel are received, the movement positions of the trained personnel are obtained according to the release or storage lengths of the pull ropes, movement data of different positions or different time points are obtained through calculation, and movement curve information is generated according to preset regulations. From this, can know the real-time motion condition of trainee in real time through the stay cord motion of binding on trainee's health, the output torque control through power device is exerted effort's size and direction, and motion curve information knows the real-time motion parameter of trainee in the training process very directly perceivedly simultaneously to reach a better training effect.
Example two
As shown in fig. 2, the sprint auxiliary training method provided in the second embodiment of the present invention is further optimized based on the technical solution provided in the first embodiment. The explanation of the same or corresponding terms as those of the above embodiments is not repeated here. Namely:
in the step of converting the received training parameters into control parameters for output, the training parameters include physical parameters and motion parameters, the control parameters are output based on the physical parameters and the motion parameters, and the control parameters are stored in a storage module, wherein the physical parameters include: height, weight and body fat rate, exercise parameters include: duration and speed of movement.
Receiving the set training parameters further includes setting a threshold for a pull-cord take-in or pay-out speed and setting a safe distance of the pull cord from the pull-cord movement apparatus. Therefore, the control power device releases or stores the pull rope bound on the athlete body according to the received control parameters, applies acting force to trained personnel, and particularly comprises the step of judging the safety distance between the pull rope and the pull rope movement equipment, and controls the pull rope movement equipment to store or release the pull rope. Thereby, the safe movement distance of the trained personnel is ensured. In addition, the training parameters also comprise set starting loads and the like.
Receiving the set training parameters comprises receiving a selected training mode and training data, and loading corresponding training mode data through the selected training mode, wherein the training mode comprises: the training device comprises a load running mode and a traction running mode, wherein the load running mode is to train the trained personnel by selecting fixed resistance or variable resistance to enable the pull rope movement equipment to generate resistance, and the traction running mode is to train the trained personnel by enabling the pull rope movement equipment to generate tension. The length of the unidirectional releasing pull rope and the length of the return receiving pull rope are required to be set before training, and the safety distance is set. The safety distance can be the distance between the starting position of the trained personnel and the stay rope movement equipment, and can be the distance between the stay rope bound on the trained personnel and the stay rope movement equipment. Wherein the load running mode comprises a fixed resistance mode and a variable resistance mode; in the fixed resistance mode, the load applied to the athlete is fixed. The resistance-changing mode refers to the change of the load applied to the sportsman by the rope pulling exercise equipment, and can be controlled according to a preset speed threshold value, and the load provided by the rope pulling exercise equipment is changed once the sportsman runs to reach the speed threshold value. For example, the power device can adopt a motor, when a trained person pulls the pull rope to run, the motor torque is overcome to passively unwind the rope, the faster the trained person is, the faster the rope is pulled out, the tension on the rope is changed by adjusting the torque output by the motor, and the greater the torque is, the greater the tension on the rope is, and the greater the tension on the athlete is.
Further, step S600A is further included, and in the heavy load running mode, the method further includes obtaining movement data of the trained personnel at different positions or different time points according to real-time movement parameters of the pull rope and the movement positions of the trained personnel, obtaining real-time movement speed, comparing the real-time movement speed with a set movement adjustment threshold value, and adjusting resistance by judging whether the threshold value index is reached or not.
Therefore, in this embodiment, according to the control platform including the storage module, the set motion adjustment threshold is stored, and according to the comparison between the real-time motion speed and the set motion adjustment threshold, the resistance is adjusted by judging whether the threshold index is reached, so that the resistance is automatically adjusted in real time according to the motion speed of the trained person in the training process, and a better training effect is achieved.
The method also comprises the following steps: the control platform can also compare the motion evaluation parameter obtained through calculation with a preset motion parameter threshold value to obtain a motion evaluation report. The motion evaluation parameters include a motion speed and a motion time.
Illustrating: calculating a maximum speed value, a position corresponding to the maximum speed in a specified time and a speed average value of the whole process according to the motion parameters acquired in real time, or calculating the time used by a trained person according to the length of a pull rope released or stored;
and comparing the preset motion parameter threshold with the motion parameters acquired in real time to obtain a motion evaluation report, such as whether the time of the trained personnel in a specific example reaches a set threshold, judging whether the time reaches the standard, and judging whether the average speed reaches the set parameter threshold.
Example III
As shown in fig. 3 to 4, the base of the sprint auxiliary training method provided in the second embodiment of the present invention is based on the technical solution provided in the first embodiment. The explanation of the same or corresponding terms as those of the above embodiments is not repeated here. Namely:
as shown in the figure, step 400, according to the real-time motion parameters of the pull rope and the motion position of the trained person, obtaining the motion data of the trained person at different positions or different time points, and generating motion curve information according to preset rules, wherein the preset rules specifically include:
s401, taking the movement position or movement time as an abscissa X;
s402, taking the motion speed, acceleration or power of the pull rope as an ordinate Y;
s403, generating a real-time motion curve according to the acquired abscissa X and ordinate Y.
Therefore, in the embodiment, the exercise position or exercise time is taken as the abscissa X, the exercise speed or power of the pull rope is taken as the ordinate Y, and the abscissa X and the ordinate Y are selected according to requirements, so that real-time exercise data of trained personnel can be intuitively obtained, and a proper training plan can be conveniently specified by adjustment of a coach according to the data.
Further, the method also comprises the steps of obtaining physical parameters and set motion parameters of trained personnel in the training process, generating a standard motion curve in the training process based on the physical parameters and the set motion parameters,
and displaying the real-time motion curve generated by the trained personnel and the standard motion curve on the same coordinate axis. In this embodiment, the historical data of the trained person in the corresponding movement mode may also be selected, and the reference movement curve may be generated based on the historical data and displayed on the same coordinate axis.
Based on the above optimization, as shown in fig. 4, the method for assisting the sprint training provided in this embodiment may include the following steps:
s100, receiving set training parameters;
s200, converting the received training parameters into control parameters and outputting the control parameters;
s300, controlling the power device to pay out or store a pull rope bound on the body of the athlete according to the received control parameters, and applying acting force to trained personnel;
s400, receiving real-time motion parameters of a pull rope bound on the body of a trained person, and acquiring the motion position of the trained person according to the length of the pull rope bound on the body of the trained person;
s500, obtaining movement data of the trained personnel at different positions or different time points according to real-time movement parameters of the pull rope and the movement positions of the trained personnel, and generating movement curve information according to preset regulations;
S600B, according to the acquired physical parameters and the set motion parameters of the trained personnel, generating a standard motion curve in the training process based on the physical parameters and the set motion parameters;
s700, displaying the real-time motion curve generated by the trained personnel and the standard motion curve in the same coordinate axis.
According to the embodiment of the invention, the standard motion curve and the motion curve generated according to the preset rule can be displayed and compared in the same coordinate axis, and the places which are insufficient in the training process and progress in the training process of the athlete can be clearly and intuitively seen, so that the training mode can be adjusted in a targeted manner, and a better training effect is achieved.
Example IV
As shown in fig. 3, in a sprint auxiliary training system provided in a second embodiment of the present invention, the control platform includes:
the storage module is used for storing information of trained personnel;
the receiving module is used for receiving the set training parameters;
the training control module is used for converting the received training parameters into control parameters and outputting the control parameters to the power device of the pull rope exercise equipment;
the index acquisition module is used for receiving real-time motion parameters returned by the stay cord in the stay cord motion equipment and acquiring the motion position of the trained personnel according to the length of the stay cord which is bound to be released or stored;
the processing module is used for obtaining the movement data of the trained personnel at different positions or different time points according to the real-time movement parameters of the pull rope and the movement positions of the trained personnel, and generating movement curve information according to preset rules.
The control platform further comprises: and the judging and processing module is used for comparing the acquired movement speed of the trained personnel with a set movement adjustment threshold value and adjusting resistance by judging whether the movement speed reaches the threshold value index.
The rope pulling movement apparatus includes:
and the power device is used for paying out or accommodating the stay ropes bound on the body of the athlete according to the received control parameters and applying acting force to trained personnel.
Further, the control platform is also connected with a cloud platform, and trained personnel information and training parameters are issued to the control platform through the cloud platform.
According to the embodiment of the invention, by adopting the control platform and the stay rope movement equipment which are matched with each other, and by arranging the receiving module, the training control module, the index acquisition module, the processing module and the stay rope movement equipment with the stay rope, the real-time movement condition of the trained personnel can be acquired through the stay rope movement bound on the body of the trained personnel, so that the effect of applying acting force is adjusted and controlled, and meanwhile, the real-time movement parameters of the trained personnel in the training process are intuitively known through the movement curve information, so that a better training effect is achieved.
The present invention also provides a computer device comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface are communicated with each other through the communication bus, and the memory is used for storing at least one executable instruction which enables the processor to execute the sprint auxiliary training method.
The invention provides a sprint auxiliary training method, which adopts the following stay rope exercise equipment, as shown in fig. 6 and 7, and comprises the following steps: an equipment frame for placing equipment components of the apparatus; a motor outputting power to the rope reel assembly, the motor being configured to drive the rope reel assembly to rotate to pay out or take in the rope to maintain a predetermined wire tension; a rope reel assembly configured to reel a rope; the screw rod transmission assembly is provided with a compression roller assembly and is configured to synchronously rotate with the rope reel assembly through the transmission assembly, and the rope is smoothly and sequentially wound around the rope reel assembly through the compression roller assembly; the pull cord exercise device may also be connected to a computer device for storing athlete information and data and for inputting a pattern of exercise and determining the length of the paid out or received cable based on the pattern of input exercise. Specifically, a rope reel assembly 2, a screw rod transmission assembly 3, a belt tensioning assembly 5 and a shield 7 are arranged on the equipment frame 1, a slidable compression roller assembly 4 is arranged on the screw rod transmission assembly 3, the compression roller assembly 4 is abutted against the rope reel assembly 2, the rope reel assembly 2 is rotatable, a synchronous belt 6 is arranged in the shield 7, the rope reel assembly 2 and the screw rod transmission assembly 3 are in linkage through the synchronous belt 6, and the belt tensioning assembly 5 is abutted against the outer ring side of the synchronous belt 6; the stay cord 8 passes through the screw rod transmission assembly 3 and the compression roller assembly 4 in sequence and then is wound on the stay cord reel assembly 2, the stay cord 8 is made of super-strong PE material, and a motor adopts a servo motor.
As shown in fig. 8, the equipment frame 1 comprises a front supporting plate 13, a rear supporting plate 11, a right supporting plate 12 and a bottom plate, wherein the four supporting plates are fixed by countersunk screws 14, the left supporting plate 12 and the right supporting plate 12 are adjusted to have the perpendicularity of 0.05mm with the bottom plate, conical pin holes are formed in the joints, and finally conical pins 15 are mounted, so that the five plates are assembled into the complete equipment frame 1. The apparatus frame 1 is entirely a topping housing structure in which the rope reel assembly 2 and the screw drive assembly 3 are mounted, and on the outer side of which the belt tensioning assembly 5 and the hood 7 are mounted.
As shown in fig. 9 and 10, the rope reel assembly 2 includes a reel bearing 21 and a reel 22, the reel bearing 21 is a diamond-shaped tape seat bearing KFL003, the left end of the reel 22 is a power output end, and the right end of the reel 22 is a power input end. The left end of the winding drum 22 is provided with a special screw hole along the axial direction, and one end of the pull rope 8 is fixed at the screw hole position through a hexagon socket head cap screw. The left support plate 11 is provided with a special bearing opening in the left-right direction, and a spool bearing 21 is provided at the position of the bearing opening. The power output end of the winding drum 22 is arranged on the winding drum bearing 21 in a penetrating way, and a small synchronous pulley 23 is arranged at the tail part of the power input end of the winding drum 22. The small synchronous pulley 23 is located outside the equipment frame 1 and is provided with a corresponding shaft sleeve, so that the small synchronous pulley 23 can be prevented from falling off and loosening. The power take-off of the reel 22 is connected to a motor 24, which motor 24 is arranged in the equipment frame 1 or on the outer side of the right support plate 12 as required. The motor 24 may drive the rotation of the spool 22. The winding drum 22 is of a hollow structure, an expansion sleeve 25 is arranged in the power output end of the winding drum 22, and the expansion sleeve 25 is arranged on the inner side wall of the power output end of the winding drum 22 through a gland 26. The expansion sleeve 25 is specifically arranged to be tightly attached to the right side surface of the inside of the winding drum 22; along the radial direction of the winding drum 22, a plurality of screw holes are formed in the corresponding position of the winding drum 22 and the side surface of the expansion sleeve 25, the screw holes are uniformly distributed along the ring surface, and the expansion sleeve 25 and the winding drum 22 are fixed through hexagon socket head cap screws; a plurality of special screw holes are formed in the left end face of the expansion sleeve 25 and the end face of the gland 26 along the axial direction of the winding drum 22, the screw holes are uniformly distributed along the ring face, and the expansion sleeve 25 and the gland 26 are fixed through the hexagon flat round head screw; simultaneously, a driving shaft of the motor 24 sequentially passes through the expansion sleeve 25 and the gland 26, and the shaft end of the driving shaft is fixedly connected with the gland 26. Because the motor 24 is fixed in the equipment frame 1, the driving shaft of the motor 24 is fixedly connected with the gland 26, the gland 26 is fixedly connected with the expansion sleeve 25, the right end surface of the expansion sleeve 25 is tightly attached to the right inner side surface of the winding drum 22, and the expansion sleeve 25 is fixedly connected with the side wall of the winding drum 22, the related components in the winding drum 22 are locked and fixed, and the rotation of the driving shaft of the motor 24 can finally drive the winding drum 22 to rotate. The components of the power take-off of the spool 22 may be integrally formed with the spool 22 or may be attached to the end of the spool 22 by means of a hexagon socket head cap screw from the associated components.
As shown in fig. 11-13, the screw transmission assembly 3 includes a screw bearing 31 and a ball screw 32, the screw bearing 31 is a diamond-shaped belt seat bearing KFL001, the left end of the ball screw 32 is a transmission input end, and the ball screw 32 is disposed parallel to the spool 22. The left support plate 11 has a bearing opening in the left-right direction at a position closer to the front end, and a screw bearing 31 is provided at the bearing opening position. The transmission input end of the ball screw 32 is penetrated on the screw bearing 31, and the other end of the ball screw 32 is rotatably arranged on the equipment frame 1. The tail part of the transmission input end of the ball screw 32 is provided with a large synchronous pulley 33, and the ball screw 32 completely penetrates through the large synchronous pulley 33. The end fixing of ball screw 32 transmission input is equipped with top cap 34, and top cap 34 is located the outside of big synchronous pulley 33, and the left end of ball screw 32 is contradicted with the right-hand member portion of top cap 34, and top cap 34 sticis big synchronous pulley 33, is equipped with the screw that link up on the top cap 34, and the screw has also been offered to ball screw 32 left end correspondence, and two screws align, and top cap 34 and ball screw 32 pass through hexagon flat end holding screw connection and fix. The top cover 34 can effectively prevent the large timing pulley 33 from being disengaged and loosened from the ball screw 32. A spacer 35 is provided on the outside of the screw bearing 31. The ball screw 32 is provided with a slidable screw seat 36, and the top surface of the screw seat 36 is connected with the press roller assembly 4. The front end of the bottom of the nut seat 36 is provided with an outgoing line guide seat 37. Rope passing porcelain eyes 38 are arranged on the bulges at the rear end of the bottom of the nut seat 36 and the wire outlet guide seat 37 along the front-rear direction, and the pull rope 8 sequentially passes through the two rope passing porcelain eyes 38. The screw seat 36 is further provided with a guide optical axis 39 in a penetrating manner, two ends of the guide optical axis 39 are respectively connected to the equipment frame 1, the guide optical axis 39 is arranged in parallel with the ball screw 32, and the guide optical axis 39 is positioned at the rear side of the ball screw 32. The nut seat 36 is provided with a through nut 361 hole and a through hole along the left-right direction, and the through hole is positioned at the rear side of the nut 361 hole. The nut 361 is arranged in the hole of the nut 361 and is matched with an inner hexagonal flat round head screw to fix the nut 361 and the nut. The screw seat 36 and the ball screw 32 are in threaded fit connection through the screw 361 so as to realize sliding. The through hole is internally provided with a linear bearing 362 and is matched with an inner hexagonal flat round head screw to fix the linear bearing and the inner hexagonal flat round head screw. The guide optical axis 39 and the nut seat 36 are slidably connected by a linear bearing 362. Finally, an inner hexagonal flat round head screw is arranged at the left top end of the ball screw 32, so that axial positioning of all parts is realized.
As shown in fig. 14, the platen roller assembly 4 includes a platen roller 41, a platen roller bearing 43, and a spring platen 42. The press roller bearing 43 is a micro deep groove ball bearing. The front end of the spring pressing plate 42 is of a folded structure, two sides of the rear end are provided with vertical plates, and the whole spring pressing plate 42 is made of SUS301 stainless steel spring steel. Preferably, to simplify the manufacturing process of the spring clip 42, the turndown and other portions may be assembled after being manufactured separately. Two press roller bearings 43 are fitted into the plate members on both sides of the rear end of the spring pressing plate 42, and the press roller 41 is fitted between the plate members. The ball screw 32 passes through the platen roller bearing 43 and the platen roller 41. The spring pressure plate 42 is fixedly connected with the nut seat 36.
As shown in fig. 15, the belt tensioner assembly 5 includes an adjustment weld plate 51, a connection weld plate 52, a link 53, and a guide bearing follower 56. The adjusting welding plate 51 is arranged in parallel with the connecting welding plate 52, the connecting rod 53 is arranged perpendicular to the connecting welding plate 52, and the guide bearing follower 56 is arranged in parallel with the connecting middle rod 55. The adjusting welding plate 51 is connected with the connecting welding plate 52 through a screw rod piece 54 through bolts, and the connection part of the two welding plates and the screw rod piece 54 is fixed by a special nut cap respectively, and the two nut caps are positioned between the adjusting welding plate 51 and the connecting welding plate 52. A flat washer is also provided between the end cap of the screw member 54 and the adjustment weld plate. The adjustment welding plate 51 is also welded to the left support member, and the connection welding plate 52 is also welded to the link 53. One end of the link 53 is provided with a connecting middle rod 55, and the connecting middle rod 55 also abuts against the left support member. The other end of the link 53 is provided with a guide bearing follower 56, and the guide bearing follower 56 abuts against the outer ring side of the timing belt 6. The guide bearing follower 56 and the connecting rod 55 are also reinforced by means of a nut cap.
Further, the computer device is electrically connected with the motor, and the computer device is used for coordinating the pressure of the pull rope to the athlete, and pulling the athlete backwards or forwards in a coordinated manner so as to prevent the athlete from advancing or accelerate the athlete from advancing. Therefore, when receiving a rope winding/unwinding command, the servo motor can rotate forward/backward, the servo motor rotates forward/backward to drive the winding drum to rotate forward/backward, the small synchronous pulley is driven to rotate forward/backward, the small synchronous pulley rotates forward/backward, the large synchronous pulley is driven to rotate forward/backward through the synchronous belt, the ball screw is driven to rotate forward/backward, and the nut seat is driven to move left and right.
Working principle: when receiving a wire winding or paying-off command, the motor 24 drives the winding drum 22 to rotate, the winding drum 22 winds or pays off the pull rope 8, meanwhile, the ball screw 32 is driven by the rotation of the winding drum 22 from the transmission structure of the large and small synchronous pulleys 23 and the synchronous belt 6, the ball screw 32 realizes autorotation, and then the nut seat 36 which is matched and connected with the ball screw 32 is driven to slide left and right along the ball screw 32.
If the lead p=5 mm of the ball screw 32, the number of teeth Z of the small timing pulley 23 1 =18, large synchronous pulley 3Number of teeth Z of 3 2 As can be seen from the diameter d=1.7 mm of the pull cord 8, =50, one revolution of the spool 22 and the movement of the nut seat 36 by the distance s=z 1 /Z 2 P, the final s=1.8 mm. The distance of movement of the nut seat 36 is slightly greater than the diameter D of the pull cord 8, which not only ensures the tightness of the winding of the pull cord 8 on the spool 22, but also avoids overlapping of the pull cord 8 when it is wound on the spool 22.
The belt tensioning assembly 5 ensures that the synchronous belt 6 is always in a tensioning state, and prevents tooth jump during operation of two synchronous pulleys, thereby affecting rotation synchronism.
The compression roller assembly ensures that the stay cord is always pressed on the winding drum, and the protective cover can play a role in protection.
It should be noted that this specific embodiment is only for explaining the present invention and is not limited thereto, and those skilled in the art can make modifications to the embodiment without creative contribution as required after reading the present specification, but it is protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a sprint auxiliary training method which is characterized in that the method adopts the sprint auxiliary training system to realize, the system includes stay cord sports equipment and control platform, stay cord sports equipment includes stay cord and drive the power device that stay cord sports equipment moved, the stay cord output of stay cord sports equipment binds on trained personnel's health, the method includes:
receiving set training parameters, wherein the training parameters comprise body parameters and motion parameters, outputting control parameters based on the body parameters and the motion parameters, and storing the control parameters in a storage module, and the body parameters comprise: height, weight and body fat rate, the exercise parameters include: the exercise time length and the exercise speed, wherein the training parameters also comprise a threshold value for setting the pull rope storage or release speed and a safety distance between the pull rope and the pull rope exercise equipment;
converting the received training parameters into control parameters for output;
the power device is controlled to pay out or store the pull rope bound on the athlete body according to the received control parameters, acting force is applied to trained personnel, meanwhile, the safety distance between the pull rope and the pull rope movement equipment is judged, and the pull rope movement equipment is controlled to store or pay out the pull rope;
receiving real-time motion parameters of a pull rope bound on the body of the trained person, and acquiring the motion position of the trained person according to the length of the pull rope bound on the body of the trained person;
according to the real-time motion parameters of the pull rope and the motion positions of the trained personnel, the motion data of the trained personnel at different positions or different time points are obtained, and motion curve information is generated according to preset rules, wherein the preset rules specifically comprise: taking the movement position or movement time as an abscissa X, and taking the movement speed, acceleration or power of the pull rope as an ordinate Y; and generating a real-time motion curve according to the acquired abscissa X and ordinate Y.
2. A sprint auxiliary training method as defined in claim 1, wherein: the receiving of the set training parameters comprises receiving of a selected training mode and training data, and loading of the corresponding training mode data through the selected training mode, wherein the training mode comprises the following steps: the device comprises a load running mode and a traction running mode, wherein the load running mode is to train the resistance generated by the pull rope movement equipment to the trained personnel through selecting fixed resistance or variable resistance, and the traction running mode is to train the trained personnel through the pull rope movement equipment to generate tension.
3. A sprint auxiliary training method as defined in claim 2, wherein: and when the load running mode is adopted, the load running mode further comprises the step of obtaining the movement data of the trained personnel at different positions or different time points according to the real-time movement parameters of the pull rope and the movement positions of the trained personnel, obtaining the real-time movement speed, comparing the real-time movement speed with a set movement adjustment threshold value, and adjusting the resistance by judging whether the threshold value index is reached.
4. A sprint auxiliary training method as defined in claim 1, wherein: further comprises: in the training process, according to the acquired physical parameters and the set motion parameters of the trained personnel, a standard motion curve in the training process is generated based on the physical parameters and the set motion parameters, and the real-time motion curve generated by the trained personnel and the standard motion curve are in the same coordinate axis and displayed.
5. A sprint auxiliary training system, characterized by: performing the one sprint auxiliary training method of claims 1-4, the control platform comprising:
the storage module is used for storing information of trained personnel;
the receiving module is used for receiving the set training parameters;
the training control module is used for converting the received training parameters into control parameters and outputting the control parameters to the power device of the pull rope exercise equipment;
the index acquisition module is used for receiving real-time motion parameters returned by the stay cord in the stay cord motion equipment and acquiring the motion position of the trained personnel according to the length of the stay cord which is bound to be released or stored;
the processing module is used for obtaining the movement data of the trained personnel at different positions or different time points according to the real-time movement parameters of the pull rope and the movement positions of the trained personnel, and generating movement curve information according to preset rules;
the rope pulling movement apparatus includes:
and the power device is used for paying out or accommodating the stay ropes bound on the body of the athlete according to the received control parameters and applying acting force to trained personnel.
6. The sprint auxiliary training system as defined in claim 5, wherein: the control platform is also connected with a cloud platform, and trained personnel information and training parameters are issued to the control platform through the cloud platform.
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| CN116440475A (en) * | 2023-04-19 | 2023-07-18 | 北方工业大学 | Sprint tractor based on artificial intelligence control is made a video recording and is gathered data |
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| CN207722280U (en) * | 2017-11-28 | 2018-08-14 | 张江 | A kind of dash supplemental training device |
| US10828524B1 (en) * | 2017-07-13 | 2020-11-10 | Kyllburg Technologies, LLC | Variable tension/resistance payout control machine |
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| US20110218076A1 (en) * | 2010-03-08 | 2011-09-08 | Wendell Lawrence | Sprint trainer aid |
| US20120053014A1 (en) * | 2010-09-01 | 2012-03-01 | Zhengmao Zhu | Apparatus and System for a Resistance Training System |
| WO2014022600A1 (en) * | 2012-07-31 | 2014-02-06 | John Bird | Resistance apparatus, system, and method |
| US10124206B2 (en) * | 2015-05-08 | 2018-11-13 | Vertimax, Llc | Systems and methods for over speed to resistive training |
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| US10828524B1 (en) * | 2017-07-13 | 2020-11-10 | Kyllburg Technologies, LLC | Variable tension/resistance payout control machine |
| CN207722280U (en) * | 2017-11-28 | 2018-08-14 | 张江 | A kind of dash supplemental training device |
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