CN210057266U - Track and field sports running posture training auxiliary device - Google Patents
Track and field sports running posture training auxiliary device Download PDFInfo
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- CN210057266U CN210057266U CN201920579490.3U CN201920579490U CN210057266U CN 210057266 U CN210057266 U CN 210057266U CN 201920579490 U CN201920579490 U CN 201920579490U CN 210057266 U CN210057266 U CN 210057266U
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Abstract
The utility model relates to a sports training device equipment technical field specifically is a track and field sports gesture training auxiliary device of running. In the training and teaching process of the modern track and field sprint technology, especially in the primary stage, the repeated demonstration of the actions of a coach or a teacher and the reminding of language are used for correcting wrong actions and repeatedly practicing to form a correct running posture, so that a great deal of time and energy are needed. The training auxiliary device of the utility model comprises a base, a column, a conveyor belt, a rubber band and a handrail, is provided with a rod-shaped or flexible rope-shaped height limiting component and a linkage device, the linkage device comprises an executing component, and the executing component is used for changing the height limit value of the height limiting component; the execution component drives the height limiting component to change the height or length position. This application is to helping elementary running practitioner to master fast and run, especially the start running skill of sprint, has better effect, also can correct the beginner wrong posture of starting running.
Description
Technical Field
The utility model relates to a sports training device equipment technical field specifically is a track and field sports gesture training auxiliary device of running.
Background
In the training and teaching process of the modern track and field sprint technique, especially in the early stage, the correct running posture is mainly established by two aspects of practice. Firstly, the trainer or teacher repeatedly demonstrates and reminds with language to correct the wrong actions and gradually forms the correct running posture; secondly, the practicer gradually forms a correct running posture through repeated practice. However, both of these processes take a great deal of time and effort and are susceptible to interference with the level of exercise of the trainer or teacher and the skill of the exerciser in his or her knowledge of the motion. The most widely used at present are the following two types:
(1) infrared three-dimensional motion capture system
The infrared three-dimensional motion capture system is a motion acquisition and analysis system which utilizes an infrared high-speed camera to capture passive luminous mark points and construct three-dimensional data, can support a plurality of high-performance high-frequency cameras to simultaneously take pictures, is a sensor mainly designed for motion capture, can simultaneously realize high resolution and high sampling frequency, has good real-time three-dimensional motion capture effect and strong function, and is widely applied to the fields of physical training, human engineering research, biomechanical research, animation production, interactive games and the like. However, the infrared three-dimensional motion capture system is high in cost, cannot judge whether the running posture of a practicer is correct in real time, can play a good role in high-level motion training and sports research, and is not suitable for the teaching and training stage of the primary stage in a complex operation process;
(2) inertial three-dimensional motion acquisition and analysis system
The inertial three-dimensional motion acquisition and analysis system is a camera-free portable whole body three-dimensional human motion measurement system, and integrates an advanced MENS inertial sensor, a biomechanics waveform and a sensor fusion algorithm. The portable mobile test device is convenient to use indoors and outdoors, is suitable for being connected with a wireless PC (personal computer) within 150 meters under any illumination condition, can be used for measurement, and is free of shielding or sight limitation. Because the MVN BIOMECH system avoids the problems of shielding, marker loss and the like, the obtained measurement result does not need to be subjected to too much post-processing and can be introduced into other software for use. The system is widely applied to the research fields of biomechanics, gait analysis, sports science and the like. However, the inertial three-dimensional motion acquisition and analysis system is high in cost and cannot judge whether the running posture of the practicer is correct in real time; meanwhile, the weight of the equipment worn on the body is about 2KG, so that the exerciser can be influenced during running, and the formation of the correct posture of the sprint is not facilitated; moreover, the training device can play a good role in high-level exercise training and sports scientific research, and the relatively complex operation process is not suitable for the teaching and training stage of the primary stage.
The middle-distance race project is an important component of a middle school physical education course and is an important content that whether the standard is met or not needs to be tested in the national physical exercise standard. It is helpful for the students to develop the excellent qualities of the exercises of painstaking, stubborn combat, eating and fatigue resistance and courage in advance and promote the physical and mental health. However, in the practice of physical education, most students find that the most feared item is the middle-distance running item, and the examination result is not ideal because the middle-distance running item is long in route, large in consumption, hard to train, boring and easy to fatigue. Meanwhile, students want to reach the standard in examinations, but are reluctant to train and practice long-distance running at ordinary times, and the students are mainly afraid of eating, tired and fear of thinking.
How to lead the students to improve the performance of the middle-distance and long-distance running is the most key that a sports teacher must strictly guide the students to participate in the durable running training, and the students can be taught by applying a scientific method, a correct teaching means and a teaching principle, and the training enthusiasm of the students is stimulated through teaching contents in various forms, so that the passive training is changed into the active training. In school physical education, the common items are 1000 meters for men and 800 meters for women. The short running distance of the project is longer than the long running distance, the training method of the sprint can not be followed during the training, and the training method of the long-distance endurance running can not be completely followed, and the project has a unique training method. To improve the long-distance running ability of students, it is ineffective to use the monotonous repeated endurance running training. The main task of middle school physical education is to promote the growth and development of students and to enhance the system functions of each organ of students comprehensively. Therefore, the exercise content is required to be comprehensive and diverse, the body is developed in all directions, and only on the basis of the comprehensive development of the body, the special middle-run training is carried out, so that a stable and solid foundation can be used as a guarantee, and the training of students cannot become a single talent developed only on one aspect.
Preparatory activities to be performed before running
Since an adaptation process is required from a relatively still state to a tense activity of each internal organ and limbs of the human body, the human body also needs to perform appropriate preparatory activities before running, so that the physiological functions of the human body can work in a coordinated manner while moving. If no preparatory activities are performed before running, joint ligaments and tendons are often strained during long-distance running. Particularly, the running with tension is easy to occur when the user takes up the body. Before running, the following preparation activities can be generally carried out:
1) standing, enabling the two hands to fork the waist, and alternately moving the ankle joints;
2) semi-squat, two hand knees to move the knee joint;
3) the two legs alternately lift the legs and move the hip joint;
4) the waist is rotated by the waist of the two hands to move the waist;
5) one hand supports the leg kicking, the movable hip and the knee joint in sequence;
6) the front and back arches step the leg; pressing the legs left and right to pull ligaments of the legs;
7) the upper body bends back and forth and the upper limbs move slightly.
Only with the correct posture, you can run fast, the efficiency is high, and the injury is not easy. One of the keys to fat consumption is trying to run with exercise intensity close to your anaerobic limit (anaerobic threshold), and correct posture enables you to reach this intensity without wasting extra energy.
Hundred meters dash and prick the position of starting running, squat formula start the action of running and lead:
1) position of rear foot: the rear tiptoes are placed on the parallel lines of the heels, the two feet are parallel, and the two hands are supported on the ground and are required to be closely attached to the starting line. After the above actions are finished, the head naturally droops and waits for starting a command;
2) when the officer shouts for preparation, the natural deep suction is carried out, the air is held back in the abdominal cavity, and meanwhile, the hip is lifted up to be slightly higher than the shoulder without overexertion. At this time, the muscles of both legs are in a tight state. Note that: the head is still hung down, the head is not required to be lifted, otherwise the balance is influenced, and the natural forward trend of the body is fiercely stopped;
3) after the gun is started, the hands supporting the body reasons the ground, and exert force to swing backwards greatly, so that the body tends to move forwards. Note that: after pushing away from the ground, the body does not quickly stand up, but still leans forward greatly, and the body naturally stands up along with the acceleration of the stride frequency. The distance head of the first ten meters is always lowered, and then the distance head is gradually raised. This is to give the body a tendency to center of gravity forward, which after exercise, will feel an intangible force to pull you from.
4) The first five steps of starting are the stage of treading, and the body obtains more acceleration by the reverse force of the ground. So at each step during this period, the toe is just off the ground, no more than ten centimeters from the ground, allowing all the effort to push against the ground.
The above-mentioned actions of 3) and 4) are all mandatory, and then the step frequency can be changed according to the running characteristics of the user. For example: some are suitable for high-frequency small steps, and some are suitable for low-frequency large steps. However, the best is at great pace, and the high frequency requires a postnatal diligent exercise.
Disclosure of Invention
The utility model aims at: an auxiliary device for facilitating the training of a trainer in a running posture, in particular in a starting posture, is developed.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a track and field sports running gesture training auxiliary device which characterized in that:
training auxiliary device includes base, stand, conveyer belt, rubber band, handrail, wherein:
the base is horizontally arranged on the ground, the base is provided with a flat top surface, a new south circle in the middle of the top surface is provided with a groove, and the conveyor belt is arranged in the groove;
the upright post is fixed at the rear end of the base, and the bottom of the upright post is provided with a pull ring which is used for fixing one end of a rubber band;
the conveying belt comprises belt bodies and roll shafts, the roll shafts are arranged in parallel and are respectively positioned at the front part and the rear part of the groove, the belt bodies are annular closed belt sleeves and are sleeved on the two roll shafts, and the two roll shafts support the belt bodies to be flat;
the upper part of the belt body between the two roll shafts forms a pedaling part, the upper edge of the pedaling part is flush with the top surface of the base, the bottom of the pedaling part is provided with a plurality of supporting rolls parallel to the roll shafts, and the supporting rolls can rotate;
the handrail is arranged at the front end of the base and consists of a pair of holding rods, and the two holding rods are the same in specification and size and are respectively arranged at two sides of the pedaling part of the conveyor belt;
the holding rod comprises a rod and a fixed rod, the rod and the fixed rod are in arc-shaped smooth transition, the bottom end of the fixed rod is fixed on the top surface of the base, the rod extends backwards and towards the direction of the upright post, and the rod is obliquely arranged from front to back;
one end of the rubber band is fixed on the pull ring at the bottom of the upright post, and the other end of the rubber band is used for carrying the shoulder of the trainer; the rubber band has elastic deformation capacity, and a trainer can achieve the purpose of exercising by resisting the elastic deformation of the rubber band;
the training auxiliary device is provided with a rod-shaped or flexible cable-shaped height limiting component, one end of the height limiting component is provided with a connecting part, and the connecting part is used for establishing connection between the height limiting component and one end of a rubber band which is carried on the shoulder of a trainer; the other end of the height limiting component is provided with an installation part, and the installation part is used for installing the height limiting component on the upright post or the base;
when the height limiting component adopts a rod-shaped structure, the height limiting component is a telescopic rod, the rod-shaped height limiting component is assembled on the upright post through the installation part, the upright post is provided with a sliding rail matched with the installation part, the installation part is provided with a sliding block matched with the sliding rail, and the sliding rail and the sliding block are used for adjusting the vertical height of the height limiting component on the upright post; the slide rail is provided with a locking piece which is used for limiting the height of the mounting part of the height limiting part on the upright post;
when the height limiting component adopts a flexible cable-shaped structure, the flexible cable-shaped height limiting component is fixed on the base through the mounting part.
The roll shaft is provided with a rotary damper.
The conveyer belt is provided with a tension adjusting device.
The locking piece is one of buckle, screw, pin.
The training auxiliary device is provided with a linkage device, the linkage device comprises an original rotating wheel arranged on a roller shaft of the conveying belt, a driving wheel arranged on a mounting part of the height limiting part, and a transmission part which is arranged between the original rotating wheel and the driving wheel and is constructed by adopting one or more modes of a gear, a connecting rod and a chain, and the transmission part is respectively in transmission connection with the original rotating wheel and the driving wheel;
the linkage device comprises an execution component, a height limiting component and a height adjusting component, wherein the execution component is used for changing the height limiting value of the height limiting component; the executing component is driven by the driving wheel and drives the height limiting component to change the height or length position;
when the height limiting component is a rod-shaped height limiting component arranged on the upright post, the executing component is a screw rod, and a rotating component matched with the screw rod is arranged on the mounting part of the rod-shaped height limiting component;
when the height limiting component is a flexible cable-shaped height limiting component arranged on the base, the executing component is a wheel disc, and the flexible cable-shaped height limiting component is wound on the wheel disc.
The base is provided with a slide rail, the installation part is provided with a slide part matched with the slide rail, and the slide part enables the installation part and a wheel disc on the installation part to horizontally move along the slide rail on the base.
The wheel disc is provided with a ratchet wheel.
The utility model has the advantages that: the height limiting component is adopted to limit the height of the shoulders of the trainer, and the linkage device enables the trainer to slowly relax the height limitation of the height limiting component after pedaling for a plurality of steps, so that the trainer can slowly lift the upper body. This application is to helping elementary running practitioner to master fast and run, especially the start running skill of sprint, has better effect, also can correct the beginner wrong posture of starting running.
Drawings
The utility model is illustrated by the following drawings:
fig. 1 is a schematic structural view of a first embodiment of the present invention, which is a training aid with a rod-shaped height-limiting member;
fig. 2 is a schematic structural view of a first embodiment of the present invention, which is a training aid with a flexible cable-shaped height-limiting member;
fig. 3 is a schematic structural view of a second embodiment of the present invention, which is a linkage device with a rod-shaped height-limiting member;
fig. 4 is a schematic structural view of a second embodiment of the present invention, which is a linkage device having a flexible rope-shaped height-limiting member.
Wherein:
1 base 11 top surface 12 groove 2 upright 21 pull ring 3 belt 31 belt 32 roller 33 step 34 support roller
4 rubber band 5 handrail 51 handrail 52 stick 53 fixed rod 6 limit for height part 61 connecting part 62 installation department
7 the primary wheel 72 of the linkage 71 drives the actuating member 74 of the driving member 73.
Detailed Description
[ example 1 ]
As shown in fig. 1 and 2, the track and field exercise running posture training auxiliary device according to the present embodiment is characterized in that:
training auxiliary device includes base, stand, conveyer belt, rubber band, handrail, wherein:
the base is horizontally arranged on the ground, the base is provided with a flat top surface, a new south circle in the middle of the top surface is provided with a groove, and the conveyor belt is arranged in the groove;
the upright post is fixed at the rear end of the base, and the bottom of the upright post is provided with a pull ring which is used for fixing one end of a rubber band;
the conveying belt comprises belt bodies and roll shafts, the roll shafts are arranged in parallel and are respectively positioned at the front part and the rear part of the groove, the belt bodies are annular closed belt sleeves and are sleeved on the two roll shafts, and the two roll shafts support the belt bodies to be flat;
the upper part of the belt body between the two roll shafts forms a pedaling part, the upper edge of the pedaling part is flush with the top surface of the base, the bottom of the pedaling part is provided with a plurality of supporting rolls parallel to the roll shafts, and the supporting rolls can rotate;
the handrail is arranged at the front end of the base and consists of a pair of holding rods, and the two holding rods are the same in specification and size and are respectively arranged at two sides of the pedaling part of the conveyor belt;
the holding rod comprises a rod and a fixed rod, the rod and the fixed rod are in arc-shaped smooth transition, the bottom end of the fixed rod is fixed on the top surface of the base, the rod extends backwards and towards the direction of the upright post, and the rod is obliquely arranged from front to back;
one end of the rubber band is fixed on the pull ring at the bottom of the upright post, and the other end of the rubber band is used for carrying the shoulder of the trainer; the rubber band has elastic deformation capacity, and a trainer can achieve the purpose of exercising by resisting the elastic deformation of the rubber band;
the training auxiliary device is provided with a rod-shaped or flexible cable-shaped height limiting component, one end of the height limiting component is provided with a connecting part, and the connecting part is used for establishing connection between the height limiting component and one end of a rubber band which is carried on the shoulder of a trainer; the other end of the height limiting component is provided with an installation part, and the installation part is used for installing the height limiting component on the upright post or the base;
when the height limiting component adopts a rod-shaped structure, the height limiting component is a telescopic rod, the rod-shaped height limiting component is assembled on the upright post through the installation part, the upright post is provided with a sliding rail matched with the installation part, the installation part is provided with a sliding block matched with the sliding rail, and the sliding rail and the sliding block are used for adjusting the vertical height of the height limiting component on the upright post; the slide rail is provided with a locking piece which is used for limiting the height of the mounting part of the height limiting part on the upright post;
when the height limiting component adopts a flexible cable-shaped structure, the flexible cable-shaped height limiting component is fixed on the base through the mounting part.
When in use, a trainer stands on the conveyer belt firstly and sleeves the rubber band on the shoulder; the body leans forward, the armrest is held by two hands, and the back leg is in a pedal shape; other persons help to adjust the height limiting component, and for the rod shape, the height of a locking block (not shown in the figure) is adjusted, so that the rod-shaped height limiting component is abutted against the shoulder of the trainer to control the trainer not to get up; for the flexible cable-shaped height limiting component, the length of the flexible cable is only required to be adjusted. After the preparation, the trainer pedals the conveyor belt to start to exercise the starting action of running; because the shoulder of the trainer is provided with the height limiting part, the upper body of the trainer can not be completely lifted and erected, and the two hands still need to swing and can not support the body, the trainer can only fast pedal the conveyor belt, so that the upper body can be supported to keep a certain inclination without falling down, and the purpose of training to get up is achieved.
Further, the roller shaft is provided with a rotary damping, and the rotary damping is an adjustable damping to adjust the rotary resistance of the conveyor belt, so that the training assisting device is suitable for different trainers.
The conveyer belt is provided with a tension adjusting device.
The locking piece is one of buckle, screw, pin.
[ example 2 ]
On the basis of the above embodiments, as shown in fig. 3 and 4, the training assisting device of the present embodiment is provided with a linkage device, the linkage device includes an original rotating wheel disposed on the roller shaft of the conveyor belt, a driving wheel disposed on the installation portion of the height limiting component, and a transmission component disposed between the original rotating wheel and the driving wheel and constructed by one or more of a gear, a connecting rod, and a chain, and the transmission component is in transmission connection with the original rotating wheel and the driving wheel respectively;
the linkage device comprises an execution component, a height limiting component and a height adjusting component, wherein the execution component is used for changing the height limiting value of the height limiting component; the executing component is driven by the driving wheel and drives the height limiting component to change the height or length position;
when the height limiting component is a rod-shaped height limiting component arranged on the upright post, the executing component is a screw rod, and a rotating component matched with the screw rod is arranged on the mounting part of the rod-shaped height limiting component;
when the height limiting component is a flexible cable-shaped height limiting component arranged on the base, the executing component is a wheel disc, and the flexible cable-shaped height limiting component is wound on the wheel disc.
The wheel disc is provided with a ratchet wheel, and when the trainer does not pull the flexible cable upwards any more, the executive component idles without completely releasing the flexible cable from the wheel disc.
The linkage device is used for synchronizing the actions of the conveyor belt and the height limiting component, namely, only when a trainer pedals the conveyor belt to rotate, the height of the height limiting component can be changed, so that the trainer starts running at a large inclination, and then the original rotating wheel on the conveyor belt slowly drives the executing component and the height limiting component to lift the height until the normal running posture of the training is recovered. How to control the lifting time of the height limiting component, namely the transmission ratio of the linkage device, needs to be specifically adjusted according to the condition of a trainer. Further, the transmission ratio of the linkage may be fixed or adjustable for use by different trainers.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a track and field sports running gesture training auxiliary device which characterized in that:
training auxiliary device includes base, stand, conveyer belt, rubber band, handrail, wherein:
the base is horizontally arranged on the ground, the base is provided with a flat top surface, a new south circle in the middle of the top surface is provided with a groove, and the conveyor belt is arranged in the groove;
the upright post is fixed at the rear end of the base, and the bottom of the upright post is provided with a pull ring which is used for fixing one end of a rubber band;
the conveying belt comprises belt bodies and roll shafts, the roll shafts are arranged in parallel and are respectively positioned at the front part and the rear part of the groove, the belt bodies are annular closed belt sleeves and are sleeved on the two roll shafts, and the two roll shafts support the belt bodies to be flat;
the upper part of the belt body between the two roll shafts forms a pedaling part, the upper edge of the pedaling part is flush with the top surface of the base, the bottom of the pedaling part is provided with a plurality of supporting rolls parallel to the roll shafts, and the supporting rolls can rotate;
the handrail is arranged at the front end of the base and consists of a pair of holding rods, and the two holding rods are the same in specification and size and are respectively arranged at two sides of the pedaling part of the conveyor belt;
the holding rod comprises a rod and a fixed rod, the rod and the fixed rod are in arc-shaped smooth transition, the bottom end of the fixed rod is fixed on the top surface of the base, the rod extends backwards and towards the direction of the upright post, and the rod is obliquely arranged from front to back;
one end of the rubber band is fixed on the pull ring at the bottom of the upright post, and the other end of the rubber band is used for carrying the shoulder of the trainer; the rubber band has elastic deformation capacity;
the training auxiliary device is provided with a rod-shaped or flexible cable-shaped height limiting component, one end of the height limiting component is provided with a connecting part, and the connecting part is used for establishing connection between the height limiting component and one end of a rubber band which is carried on the shoulder of a trainer; the other end of the height limiting component is provided with an installation part, and the installation part is used for installing the height limiting component on the upright post or the base;
when the height limiting component adopts a rod-shaped structure, the height limiting component is a telescopic rod, the rod-shaped height limiting component is assembled on the upright post through the installation part, the upright post is provided with a sliding rail matched with the installation part, the installation part is provided with a sliding block matched with the sliding rail, and the sliding rail and the sliding block are used for adjusting the vertical height of the height limiting component on the upright post; the slide rail is provided with a locking piece which is used for limiting the height of the mounting part of the height limiting part on the upright post;
when the height limiting component adopts a flexible cable-shaped structure, the flexible cable-shaped height limiting component is fixed on the base through the mounting part.
2. A track and field exercise running stance training aid as claimed in claim 1, wherein:
the roll shaft is provided with a rotary damper.
3. A track and field exercise running stance training aid as claimed in claim 2, wherein:
the conveyer belt is provided with a tension adjusting device.
4. A track and field exercise running stance training aid as claimed in claim 2, wherein:
the locking piece is one of buckle, screw, pin.
5. The track and field exercise running posture training aid of any one of claims 1 to 4, wherein:
the training auxiliary device is provided with a linkage device, the linkage device comprises an original rotating wheel arranged on a roller shaft of the conveying belt, a driving wheel arranged on a mounting part of the height limiting part, and a transmission part which is arranged between the original rotating wheel and the driving wheel and is constructed by adopting one or more modes of a gear, a connecting rod and a chain, and the transmission part is respectively in transmission connection with the original rotating wheel and the driving wheel;
the linkage device comprises an execution component, a height limiting component and a height adjusting component, wherein the execution component is used for changing the height limiting value of the height limiting component; the executing component is driven by the driving wheel and drives the height limiting component to change the height or length position;
when the height limiting component is a rod-shaped height limiting component arranged on the upright post, the executing component is a screw rod, and a rotating component matched with the screw rod is arranged on the mounting part of the rod-shaped height limiting component;
when the height limiting component is a flexible cable-shaped height limiting component arranged on the base, the executing component is a wheel disc, and the flexible cable-shaped height limiting component is wound on the wheel disc.
6. The track and field exercise running stance training aid of claim 5, wherein:
the base is provided with a slide rail, the installation part is provided with a slide part matched with the slide rail, and the slide part enables the installation part and a wheel disc on the installation part to horizontally move along the slide rail on the base.
7. The track and field exercise running stance training aid of claim 6, wherein:
the wheel disc is provided with a ratchet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579490.3U CN210057266U (en) | 2019-04-20 | 2019-04-20 | Track and field sports running posture training auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579490.3U CN210057266U (en) | 2019-04-20 | 2019-04-20 | Track and field sports running posture training auxiliary device |
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| CN210057266U true CN210057266U (en) | 2020-02-14 |
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| CN201920579490.3U Expired - Fee Related CN210057266U (en) | 2019-04-20 | 2019-04-20 | Track and field sports running posture training auxiliary device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760234A (en) * | 2020-08-26 | 2020-10-13 | 东北石油大学 | Paddle damping type race starting strength trainer |
| CN112107824A (en) * | 2020-09-30 | 2020-12-22 | 中山市牛泉运动器材有限公司 | Running resistance training device |
-
2019
- 2019-04-20 CN CN201920579490.3U patent/CN210057266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760234A (en) * | 2020-08-26 | 2020-10-13 | 东北石油大学 | Paddle damping type race starting strength trainer |
| CN112107824A (en) * | 2020-09-30 | 2020-12-22 | 中山市牛泉运动器材有限公司 | Running resistance training device |
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Granted publication date: 20200214 Termination date: 20210420 |