CN110665164B

CN110665164B - Training device for long jump and using method

Info

Publication number: CN110665164B
Application number: CN201911025684.XA
Authority: CN
Inventors: 刘建伟; 孙云波; 张振
Original assignee: Zhengzhou Technical College
Current assignee: Zhengzhou Technical College
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2021-01-05
Anticipated expiration: 2039-10-25
Also published as: CN110665164A

Abstract

The invention provides a long jump trainer, comprising: the device comprises a swing arm standardizing device, a plurality of splicing pad units, a main pad, an infrared alarm and a laser range finder, wherein the swing arm standardizing device is arranged close to the other short edge of the main pad; swing arm standard device is including the installation axle, square blade and Y type blade, square blade is located the opening of Y type blade, the upper and lower both ends of Y type blade are equipped with the locating part respectively, square blade and Y type blade become a contained angle setting under last torsion spring and lower torsion spring's effect, square blade's free end and Y type blade's free end can be dismantled respectively and be connected with first rubber stick and second rubber stick, the free end of first rubber stick and the free end of second rubber stick are connected with first force sensor and second force sensor respectively. The invention can standardize the posture of the trainer and improve the long jump performance, can automatically measure long jump distance and is provided with a protection pad, thereby avoiding the trainer from being injured in the training process.

Description

Training device for long jump and using method

Technical Field

The invention relates to the technical field of sports equipment, in particular to a long jump trainer and a using method thereof.

Background

The long jump is one of track and field sports items, belongs to the necessary testing item for physique test, and consists of taking off, flying, landing and other actions. In the prior art, long jump is usually carried out in playground open space or a sand pit without the assistance of a professional trainer, the distance measurement error of long jump is large, a protective measure for setting long jump is lacked, and the short jump is not enough to standardize the take-off posture of a trainer. Most of exercisers usually only pay attention to leg strength and neglect arm actions, and according to the sport biomechanics principle, the swing arm with large arm amplitude is greatly helpful for improving the standing long jump performance without the assistance of a professional trainer, so that the further improvement of the standing long jump performance of the exercisers is prevented. Therefore, it is urgently needed to design a long jump trainer to realize: standardize the posture of the trainer, improve the long jump performance, automatically measure the long jump distance, set a protection structure, avoid the trainer from being injured in the training process and the like.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a long jump trainer and a using method thereof.

The invention is realized by the following technical scheme:

a long jump trainer comprising: the swing arm standardizing device comprises a swing arm standardizing device, a plurality of splicing pad units, a main pad, an infrared alarm and a laser range finder, wherein the splicing pad units are movably spliced on two long sides and one short side of the main pad;

swing arm standard device is including the installation axle, square blade and Y type blade and installation threaded connection, square blade is located Y type blade's opening, the upper and lower both ends of Y type blade are equipped with spacing piece and lower spacing piece respectively, connect through last torsion spring between square blade's the upper end and the upper end of Y type blade, connect through torsion spring down between square blade's the lower extreme and the lower extreme of Y type blade, square blade and Y type blade become an contained angle setting under last torsion spring and lower torsion spring's effect, square blade's free end and Y type blade's free end can be dismantled respectively and be connected with first rubber stick and second rubber stick, the free end of first rubber stick and the free end of second rubber stick are connected with first force sensor and second force sensor respectively.

Preferably, the main cushion is sequentially provided with an anti-skid plastic layer, a soft rubber layer and a wear-resistant hard rubber layer from top to bottom, oval damping air holes which do not penetrate through the main cushion and air holes which penetrate through the main cushion are uniformly distributed in the main cushion, the oval damping air holes and the air holes are arranged at intervals, rubber suckers are uniformly distributed on the lower surface of the wear-resistant hard rubber layer, and the rubber suckers are just positioned below the oval damping air holes; the splicing pad unit is an XPE splicing pad.

Further preferably, the total length of the main mat is 2.5-3.5mm, the width is 0.5-0.7m, and the thickness is 0.03-0.05 m; the splicing pad unit is a square XPE splicing pad with the thickness of 0.03-0.05m and the side length of 0.5 m.

More preferably, a protractor is movably connected above the lower limiting block.

Most preferably, the balance weight device further comprises a balance weight seat for fixing the mounting shaft, and the mounting shaft is detachably connected with the balance weight seat.

The invention also provides a using method of the training device for long jump, a take-off position is arranged between the swing arm standardizing device and the warning line, a trainer stands at the take-off position, the square blade and the Y-shaped blade are arranged at a fixed included angle, and the training device takes off for multiple times and records the swing force measured by the first force sensor and the second force sensor and the long jump distance measured by the laser range finder; and (4) changing the included angle between the square blade and the Y-shaped blade, and measuring again, so as to obtain the optimal swing included angle and the optimal swing power data between the two arms required by the maximum long jump distance after repeated tests.

Compared with the prior art, the invention can standardize the posture of the trainer and improve the long jump performance, can automatically measure the long jump distance and is provided with the protection pad, thereby avoiding the trainer from being injured in the training process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic diagram of the swing arm normalization apparatus of FIG. 1;

fig. 3 is a schematic view of the structure of the main mat of fig. 1.

In the figure:

1. installing a shaft; 2. a square blade; 21. a first rubber rod; 3. a Y-shaped blade; 31. an upper torsion spring; 32. a lower torsion spring; 33. a second rubber rod; 34. a lower limiting block; 35. an upper limit block; 4. a swing arm standardizing device; 41. a first force sensor; 42. a second force sensor; 5. splicing pad units; 6. a main pad; 61. an anti-slip plastic layer; 62. a soft rubber layer; 63. a hard rubber layer; 64. an elliptical shock absorbing air hole; 65. a rubber suction cup; 7. an infrared alarm; 8. a laser range finder; 9. a take-off position.

Detailed Description

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

As shown collectively in fig. 1-3: a long jump trainer comprising: the swing arm standardizing device comprises a swing arm standardizing device 4, a plurality of splicing pad units 5, a main pad 6, an infrared alarm 7 and a laser range finder 8, wherein the splicing pad units 5 are movably spliced on two long sides and one short side of the main pad 6, the swing arm standardizing device 4 is arranged close to the other short side of the main pad 6, a warning line is arranged on the short side, close to the swing arm standardizing device 4, of the main pad 6, the infrared alarm 7 (in the prior art) and the laser range finder 8 (in the prior art) are arranged at one end of the warning line, and when a trainer steps on the warning line, the infrared alarm 7 senses and sends out audible and visual alarm reminding; the swing arm specification device 4 comprises an installation shaft 1, a square blade 2 and a Y-shaped blade 3, the square blade 2 and the Y-shaped blade 3 are in threaded connection with the installation shaft 1, the square blade 2 is located in an opening of the Y-shaped blade 3, an upper limiting block 35 and a lower limiting block 34 are respectively arranged at the upper end and the lower end of the Y-shaped blade 3, the upper end of the square blade 2 is connected with the upper end of the Y-shaped blade 3 through an upper torsion spring 31, the lower end of the square blade 2 is connected with the lower end of the Y-shaped blade 3 through a lower torsion spring 32, the square blade 2 and the Y-shaped blade 3 are arranged at an included angle under the action of the upper torsion spring 31 and the lower torsion spring 32, a first rubber rod 21 and a second rubber rod 33 are respectively detachably connected with the free end of the square blade 2 and the free end of the Y-shaped blade 3, a first force sensor 41 and a second force sensor 42 are respectively connected with the free end of, two sensors are used for surveing the swing arm on the power of waving of arm, but two torsion spring 32's setting makes this contained angle small amplitude grow, avoids the arm striking rubber stick to arouse that square blade 2 and Y type blade 3 take place great deformation or produce the reaction force and produce the pain to the arm.

The invention also provides a using method of the long jump trainer, wherein a take-off position 9 is arranged between the swing arm specification device 4 and the warning line, a trainer stands at the take-off position 9, the square blade 2 and the Y-shaped blade 3 are arranged at a fixed included angle, and take-off is carried out for multiple times and the swing force measured by the first force sensor 41 and the second force sensor 42 and the long jump distance measured by the laser range finder 8 are recorded; and (3) changing the included angle between the square blade 2 and the Y-shaped blade 3, and measuring again, so as to obtain the optimal swing included angle and the optimal swing force data between the two arms required by the maximum long jump distance after repeated tests.

As a preferred technical solution, in another embodiment of the present invention, the main cushion 6 is sequentially provided with an anti-slip plastic layer 61, a soft rubber layer 62 and a wear-resistant hard rubber layer 63 from top to bottom, oval damping air holes 64 which do not penetrate through the main cushion 6 and air holes which penetrate through the main cushion 6 are uniformly distributed in the main cushion 6, the oval damping air holes 64 and the air holes are arranged at intervals, rubber suction cups 65 are uniformly distributed on the lower surface of the wear-resistant hard rubber layer 63, and the rubber suction cups 65 are located right below the oval damping air holes 64; the splice pad unit 5 is an XPE splice pad.

After falling to the ground, the training person steps on main pad 6 and gives oval shock attenuation gas pocket 64 certain pressure, and oval shock attenuation gas pocket 64 takes place deformation and gives rubber suction 65 with this pressure transfer for under the effect of this pressure and makes rubber 65 closely fixed with ground relatively, avoids main pad 6 to take place to remove, helps improving the accuracy of long jump distance test to reduce the potential safety hazard. The splicing pad unit 5 and the main pad 6 are detachably connected, for example, the existing splicing mode of the crawling pad on the market can be adopted, and the size of the protection range of the crawling pad unit is flexibly controlled according to the actual measurement environment.

As a preferable technical solution, in yet another embodiment of the present invention, the main mat 6 has a total length of 2.5 to 3.5mm, a width of 0.5 to 0.7m, and a thickness of 0.03 to 0.05 m; the splicing pad unit 5 is specifically a square XPE splicing pad with the thickness of 0.03-0.05m and the side length of 0.5 m.

As a preferable technical solution, in another embodiment of the present invention, a protractor, for example, a semicircular protractor made of stainless steel, is movably connected above the lower limiting block 34, and the semicircular protractor is sleeved on the mounting shaft 1 and abuts against the bottom end of the Y-shaped blade 3 through the lower limiting block 34, so as to adjust the included angle between the square blade 2 and the Y-shaped blade 3.

As a preferable technical solution, another embodiment of the present invention further includes a counterweight seat for fixing the mounting shaft 1, and the mounting shaft 1 is detachably connected to the counterweight seat.

Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The construction or connection of parts not described in detail in the present invention is prior art.

Claims

1. A training device for long jump, characterized in that: the method comprises the following steps: the swing arm standardizing device comprises a swing arm standardizing device (4), a plurality of splicing pad units (5), a main pad (6), an infrared alarm (7) and a laser range finder (8), wherein the splicing pad units (5) are movably spliced on two long sides and one short side of the main pad (6), the swing arm standardizing device (4) is arranged close to the other short side of the main pad (6), a warning line is arranged on the short side, close to the swing arm standardizing device (4), on the main pad (6), and the infrared alarm (7) and the laser range finder (8) are arranged at one end of the warning line;

the swing arm specification device (4) comprises an installation shaft (1), a square blade (2) and a Y-shaped blade (3), the square blade (2) and the Y-shaped blade (3) are in threaded connection with the installation shaft (1), the square blade (2) is located in an opening of the Y-shaped blade (3), an upper limiting block (35) and a lower limiting block (34) are respectively arranged at the upper end and the lower end of the Y-shaped blade (3), the upper end of the square blade (2) and the upper end of the Y-shaped blade (3) are connected through an upper torsion spring (31), the lower end of the square blade (2) and the lower end of the Y-shaped blade (3) are connected through a lower torsion spring (32), the square blade (2) and the Y-shaped blade (3) form an included angle under the action of the upper torsion spring (31) and the lower torsion spring (32), a first rubber rod (21) and a second rubber rod (33) are respectively and detachably connected with the free end of the square blade (2) and the Y-shaped blade (3), the free end of the first rubber rod (21) and the free end of the second rubber rod (33) are respectively connected with a first force sensor (41) and a second force sensor (42).

2. The long jump trainer according to claim 1, wherein: the main cushion (6) is sequentially provided with an anti-skid plastic layer (61), a soft rubber layer (62) and a wear-resistant hard rubber layer (63) from top to bottom, oval damping air holes (64) which do not penetrate through the main cushion (6) and air holes which penetrate through the main cushion (6) are uniformly distributed in the main cushion (6), the oval damping air holes (64) and the air holes are arranged at intervals, rubber suckers (65) are uniformly distributed on the lower surface of the wear-resistant hard rubber layer (63), and the rubber suckers (65) are just positioned below the oval damping air holes (64); the splicing pad unit (5) is an XPE splicing pad.

3. The long jump trainer according to claim 2, wherein: the total length of the main cushion (6) is 2.5-3.5mm, the width is 0.5-0.7m, and the thickness is 0.03-0.05 m; the splicing pad unit (5) is specifically a square XPE splicing pad with the thickness of 0.03-0.05m and the side length of 0.5 m.

4. The long jump trainer according to claim 3, wherein: a protractor is movably connected above the lower limiting block (34).

5. The long jump training device according to any one of claims 1 to 4, wherein: still including the counter weight seat that is used for fixed mounting axle (1), installation axle (1) with the connection can be dismantled to the counter weight seat.

6. The use method of the long jump training machine according to claim 1, wherein: a take-off position (9) is arranged between the swing arm standardizing device (4) and the warning line, a trainer stands at the take-off position (9), the square blade (2) and the Y-shaped blade (3) are arranged at a fixed included angle, and take-off is carried out for multiple times and the swing force measured by the first force sensor (41) and the second force sensor (42) and the jump distance measured by the laser range finder (8) are recorded; and (3) changing the included angle between the square blade (2) and the Y-shaped blade (3) for re-measurement, and repeatedly testing to obtain the optimal swing included angle and the optimal swing force data between the two arms required by the maximum long jump distance.