CN111888785B - Hurdling device for track and field hurdling race training and using method thereof - Google Patents

Abstract

The invention discloses a hurdle device for track and field hurdle running training and a use method thereof, belonging to the field of track and field instruments, the hurdle device can realize the innovative 'softening' arrangement of a self-avoiding hurdle cross bar, and is pre-embedded into a plurality of trigger air bags, the contact impact of a trainer can be buffered during training, the expansion of the other side of the trigger air bag is triggered by impact force, so that the corresponding height of a sinking top ball is forced by magnetic attraction, the sinking top ball drives the self-avoiding hurdle cross bar to deform and compress when sinking, the trainer can be effectively avoided, the trainer is prevented from being stumbled and fallen during the hurdle process, meanwhile, the gravity-activated ball can spray a small amount of position powder to prompt the contact position of the trainer during training, the trainer can conveniently adjust the posture or the height in a targeted manner, and the hurdle effect is improved in an auxiliary manner, moreover, the training device can effectively protect the trainers and improve the safety in the hurdling training process.

Description

Hurdling device for track and field hurdling race training and using method thereof

Technical Field

The invention relates to the field of track and field instruments, in particular to a hurdle device for track and field hurdle running training and a using method thereof.

Background

The hurdle running is a sprint item with strong technical performance, which strides over hurdles with specified height and quantity in a certain distance, and belongs to one of track and field sports. The international competition men are 110 m high hurdles, 106 cm high hurdles and 10 hurdles; the girls are 100 meters in the low hurdle, 84 centimeters in the high hurdle and 10 hurdles.

Along with the popularization of hurdling sports in a campus, more and more students choose to touch and learn the sports, but as beginners do not completely master postures, skills and the like when beginning to learn hurdling, the traditional hurdles generally only have the function of adjusting height and do not have corresponding safety protection, so that the phenomena of tripping or falling injury and the like are easy to occur during training, personal injury can be caused, and meanwhile, the confidence and interest of the students can be seriously attacked.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a hurdle device for field and field hurdle race training and a using method thereof, which can realize the innovative 'softening' arrangement of a self-avoiding hurdle cross bar, pre-embed a plurality of trigger air bags, buffer the contact impact of a trainer during training, simultaneously trigger the expansion of a stacked magnetic plate on the other side of the trigger air bags by utilizing impact force, so that the corresponding height of a sinking top ball is forced to sink by utilizing the magnetic attraction effect, the sinking top ball drives the self-avoiding hurdle cross bar to deform and compress when sinking, thereby effectively avoiding the trainer from being tripped during hurdle, simultaneously, the self-avoiding hurdle cross bar can spray a small amount of position powder by means of the force trigger ball to prompt the trainer to contact the position during training, and the trainer can conveniently adjust the posture or the height in a targeted manner, thereby supplementary promotion training effect of hurdling to can effectively protect the training person, improve the security in the training process of hurdling.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A hurdle device for track and field hurdle running training comprises a pair of hurdle support plates, wherein hurdle stand columns are connected to the upper ends of the hurdle support plates, a self-avoiding hurdle cross rod is connected between the pair of hurdle stand columns, a plurality of trigger air bags which are uniformly distributed are connected to the front and rear surfaces of the self-avoiding hurdle cross rod in an embedded mode, an opening slot is formed in the inner end of each trigger air bag, a pair of stacked magnetic plates are connected to the opening slot in an embedded mode, a pair of control layers are connected to the inner ends of the trigger air bags and close to the opening slot in an attached mode and keep alignment with the opening slot, a gravity-assisted trigger ball is arranged in each trigger air bag and connected with the corresponding stacked magnetic plates, a plurality of uniformly-distributed sinking jacking balls are connected to the upper ends of the self-avoiding hurdle cross rod and located between the trigger air bags on the front and rear surfaces, each sinking jacking ball comprises a hemispherical air bag and a magnetic hemispherical ball connected from top to bottom, the hemisphere gasbag is located and dodges from dodging to hurdle the horizontal pole upside, and the magnetism hemisphere inlays in dodging from hurdling the horizontal pole inboard.

Further, it is connected with the power of gathering arc piece to keep away from accuse change layer one end in the trigger gas package, and gather power arc piece center department and borrow power trigger ball contact and with trigger and have a distance between the gas package surface, gather the effect that the power arc piece not only can further play the buffering collision effort, can effectively cover simultaneously and trigger the whole surface of gas package, all convert the impact force of any one position to the impact of borrowing power trigger ball to center department to effectively trigger the action of borrowing power trigger ball.

Further, it includes the arc piece to gather power arc piece, down the arc piece and connect and act as go-between in last arc piece and the elasticity of arc piece down, and go up the arc piece and overlap the setting with lower arc piece, go up the arc piece and down the cooperation of arc piece both can realize covering whole trigger air pocket, relative movement can take place simultaneously and coincide, in order to satisfy the extrusion of the overhead kick when sinking, avoid because of the unexpected expansion of the formula magnetic plate that leads to of irregular deformation, thereby make the overhead kick that sinks sink the failure, elasticity is acted as go-between and plays the effect that the pulling was gone up arc piece and was reset after the removal with lower arc piece.

Further, accuse becomes layer and includes interconnect's silica gel helps seal layer and magnetism isolating sleeve, and magnetism isolating sleeve is located to open seam department and is connected with folding formula magnetic force board, it has the elasticity silk that resets to inlay in the silica gel helps seal layer, and the elasticity silk that resets is connected with triggering the gas bag, and silica gel helps seal layer can assist triggering the gas bag better to opening the seam and close, and elasticity silk that resets relies on the elastic action to control the closure and the opening of opening the seam, and magnetism isolating sleeve is used for shielding the magnetic attraction between ball and the folding formula magnetic force board of sinking.

Furthermore, the length of the stacked magnetic plate is smaller than that of the magnetic isolation sleeve, the stacked magnetic plate is made of a magnetic material, the magnetic isolation sleeve is made of a magnetic isolation material, and the stacked magnetic plate can be completely covered by the magnetic isolation sleeve, so that the magnetic shielding effect can be improved.

Furthermore, borrow power trigger ball is including the atress spherical shell for hollow structure, the micropore of dusting has been seted up on the atress spherical shell, atress spherical shell intussuseption is filled with and shows a powder atress spherical shell and can deform after receiving the extrusion to extrude a small amount of apparent powder from the micropore of dusting, be used for the suggestion training person just touched the position.

Furthermore, the atress spherical shell adopts elastic material to make, it adopts the colored magnetic material powder process to obtain to show the position powder, shows that the position powder is bright-colored not only, makes things convenient for the audio-visual observation of trainer, and it has magnetism then can adsorb on folding formula magnetic plate after the blowout, avoids droing from opening the seam and leads to consuming the waste, and the magnetic shield can scrape the position powder on folding formula magnetic plate when opening the seam closed, consequently can not influence the observation to the position powder in triggering the gas pocket.

Further, from dodging to stride the fence horizontal pole and adopt elastic material to make, and the front and back surface corresponds the distance that triggers between the gas bag and is less than the diameter of sinking the overhead kick, from dodging to stride the fence horizontal pole and can bear the repeated extrusion deformation of sinking the overhead kick to it, when sinking the overhead kick simultaneously, can be to the inward extrusion force of the trigger gas bag that does not expand, can effectively prevent its accident from expanding, can extrude simultaneously and trigger the gas bag and carry out the reverse inflation of certain degree, can cushion protection to training person's other non-contact positions.

A use method of a hurdle device for track and field hurdle running training comprises the following steps:

s1, assembling the hurdles on the runway according to hurdle rules, and checking whether the trigger air bags leak air or not before training;

s2, when training is carried out, once limbs are in contact with the self-avoiding hurdle cross bar, the corresponding trigger air bag is extruded, the force gathering arc sheet is forced to be unfolded and absorb the corresponding sinking jacking ball to sink while buffering, and therefore the self-avoiding hurdle cross bar is forced to deform and compress to the contact position in the area;

s3, the self-avoiding hurdle cross bar automatically restores the shape after being protected by triggering deformation, and a trainer can determine a contact part according to position displaying powder displayed in a triggering air bag, so that a training result can be fed back, and targeted adjustment is facilitated;

and S4, after the trigger air bag is taken down after the training is finished, the sprayed position-displaying powder is recovered and refilled into the stressed spherical shell for the next training.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can realize the innovative 'softening' arrangement of the self-avoiding hurdle cross bar and embed a plurality of trigger air bags in advance, the contact impact of a trainer can be buffered during training, and the impact force is utilized to trigger the spread of the stacked magnetic plate on the other side of the trigger air bag, thereby utilizing the magnetic attraction to force the sinking jacking ball to sink to the corresponding height, the sinking jacking ball drives the self-avoiding hurdle cross bar to deform and compress when sinking, thereby effectively avoiding the trainee, avoiding the trainee from being stumbled and fallen during hurdling, simultaneously triggering the ball by virtue of the strength to spray a small amount of position-displaying powder to prompt the trainee to contact the part just before training, facilitating the trainee to adjust the posture or the height in a targeted way, thereby supplementary promotion training effect of hurdling to can effectively protect the training person, improve the security in the training process of hurdling.

(2) Keep away from in the trigger gas package and control and become layer one end and be connected with and gather power arc piece, and gather power arc piece center department and borrow power trigger ball contact and with trigger and keep having the distance between the gas package surface, gather power arc piece and not only can further play the effect of buffering collision effort, can effectively cover simultaneously and trigger the whole surface of gas package, all convert the impact force of any one position to the impact of borrowing power trigger ball to center department to effectively trigger the action of borrowing power trigger ball.

(3) The power of gathering arc piece includes the arc piece, down the arc piece and connect and act as go-between in last arc piece and the elasticity of arc piece down, and go up the arc piece and overlap the setting with arc piece down, go up the arc piece and down the cooperation of arc piece both can realize covering whole trigger air pocket, relative movement can take place simultaneously and carry out the coincidence, in order to satisfy the extrusion of the overhead kick when sinking, avoid the unexpected expansion of formula magnetic plate because of irregular deformation leads to, thereby make the overhead kick that sinks sink the failure, elasticity is acted as go-between and is played the effect that the arc piece resets after removing with lower arc piece in the pulling.

(4) The variable control layer comprises a silica gel sealing assisting layer and a magnetic isolation sleeve which are connected with each other, the magnetic isolation sleeve is positioned at the opening seam and connected with the stacked magnetic plate, an elastic reset wire is embedded in the silica gel sealing assisting layer and connected with a trigger air bag, the silica gel sealing assisting layer can assist the trigger air bag to better close the opening seam, the elastic reset wire controls the opening seam to be closed and opened by means of elastic action, and the magnetic isolation sleeve is used for shielding the magnetic attraction action between the sinking top ball and the stacked magnetic plate.

(5) The length of the stacked magnetic plate is smaller than that of the magnetic isolation sleeve, the stacked magnetic plate is made of a magnetic material, the magnetic isolation sleeve is made of a magnetic isolation material, and the stacked magnetic plate can be completely covered by the magnetic isolation sleeve, so that the magnetic shielding effect can be improved.

(6) Borrow power and trigger ball including the atress spherical shell for hollow structure, the micropore of dusting has been seted up on the atress spherical shell, and atress spherical shell intussuseption is filled with and shows a powder atress spherical shell and can deform after receiving the extrusion to extrude a small amount of apparent powder in the micropore of dusting, be used for the suggestion training person just touch position.

(7) The stressed spherical shell is made of elastic materials, the position display powder is made of colorful magnetic materials, the position display powder is bright in color and convenient for a trainer to visually observe, the magnetic position display powder can be adsorbed on the stacked magnetic plate after being sprayed out, consumption and waste caused by falling off of the opened seam are avoided, and the position display powder on the stacked magnetic plate can be scraped by the magnetic isolation sleeve when the opened seam is closed, so that the observation of the position display powder in the trigger air bag cannot be influenced.

(8) From dodging to stride the fence horizontal pole and adopt elastic material to make, and the front and back surface corresponds the diameter that triggers the distance between the gas bag and be less than the overhead kick that sinks, from dodging to stride the fence horizontal pole and can bear the overhead kick that sinks to its repeated extrusion deformation, when the overhead kick sinks simultaneously, can effectively prevent its unexpected expansion to the inward extrusion force of the trigger gas bag that does not expand, can extrude simultaneously and trigger the gas bag and carry out the reverse inflation of certain degree, can cushion the protection to training person's other non-contact positions.

(9) The dome of sinking is including the hemisphere gasbag and the magnetism hemisphere of connecting from top to bottom, and the hemisphere gasbag is located and dodges from dodging and hurdles the horizontal pole upside, and the magnetism hemisphere inlays in dodging and hurdles the horizontal pole inboard from dodging, and the magnetism hemisphere both has sufficient intensity and has removed to push down and dodge and hurdle the horizontal pole and carry out deformation from dodging, and it has magnetism simultaneously and can carry out magnetism with the folding magnetic plate after the expansion and inhale the cooperation, and the hemisphere gasbag then can protect the training person, avoids it to be hurdling the in-process direct contact and dodging from dodging and hurting horizontal pole upper end.

Drawings

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

FIG. 2 is a schematic structural view of a self-avoiding hurdle rail of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a force-concentrating arc of the present invention;

FIG. 5 is a schematic structural view of the trigger air bag of the present invention before and after impact;

FIG. 6 is a schematic view of a power assisted trigger ball according to the present invention;

FIG. 7 is a schematic view of a sunken jack ball according to the present invention;

fig. 8 is a schematic structural view in an avoidance state of the present invention.

The reference numbers in the figures illustrate:

the device comprises a hurdle supporting plate 1, a hurdle upright post 2, a self-avoiding hurdle cross rod 3, a sinking top ball 4, a hemispherical air bag 41, a magnetic hemisphere 42, a trigger air bag 5, a force-gathering arc piece 6, an upper arc piece 61, an elastic pull wire 62, a lower arc piece 63, a force-assisted trigger ball 7, a stressed ball shell 71, a powder spraying micropore 72, a position displaying powder 73, a variable control layer 8, a silica gel sealing-aid layer 81, an elastic reset wire 82, a magnetic isolation sleeve 83 and a stacked magnetic plate 9.

Detailed Description

The technical solution in 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; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a hurdle device for track and field hurdle race training comprises a pair of hurdle support plates 1, hurdle columns 2 are connected to the upper ends of the hurdle support plates 1, a self-avoiding hurdle cross rod 3 is connected between the pair of hurdle columns 2, a plurality of trigger air bags 5 which are uniformly distributed are connected to the front and rear surfaces of the self-avoiding hurdle cross rod 3 in an embedded mode, an opening slot is formed in the inner end of each trigger air bag 5, a pair of stacked magnetic plates 9 are connected to the opening slot in an embedded mode, a pair of variable control layers 8 are connected to the inner ends of the trigger air bags 5, the variable control layers 8 are close to the opening slot and are attached to and aligned with the opening slot, a gravity trigger ball 7 is arranged in each trigger air bag 5, the gravity trigger ball 7 is connected with the stacked magnetic plates 9, a plurality of uniformly distributed sinking jacking balls 4 are connected to the upper ends of the self-avoiding hurdle cross rods 3, and the sinking jacking balls 4 are located between the trigger air bags 5 on the front and rear surfaces.

From dodging to stride fence horizontal pole 3 and adopt elastic material to make, and the front and back surface corresponds the distance that triggers between the gas bag 5 and is less than the diameter of sinking knob 4, from dodging to stride fence horizontal pole 3 and can bear and sink knob 4 to its repeated extrusion deformation, when sinking knob 4 sinks simultaneously, can be to the inward extrusion force of the trigger gas bag 5 that does not expand, can effectively prevent its accident from expanding, can extrude simultaneously and trigger gas bag 5 and carry out the reverse inflation of certain degree, can cushion protection to training person's other non-contact positions.

Please refer to fig. 3, one end of the trigger air bag 5 far from the controlled variable layer 8 is connected with a force-gathering arc piece 6, the center of the force-gathering arc piece 6 is in contact with the force-borrowing trigger ball 7 and keeps a distance with the outer surface of the trigger air bag 5, the force-gathering arc piece 6 not only can further play a role in buffering the collision acting force, but also can effectively cover the whole outer surface of the trigger air bag 5, the impact force at any position is converted into the impact on the force-borrowing trigger ball 7 at the center, and therefore the action of the force-borrowing trigger ball 7 is effectively triggered.

Referring to fig. 4, the force focusing arc piece 6 includes an upper arc piece 61, a lower arc piece 63 and an elastic pull wire 62 connected between the upper arc piece 61 and the lower arc piece 63, and the upper arc piece 61 and the lower arc piece 63 are overlapped, the upper arc piece 61 and the lower arc piece 63 are matched to cover the whole trigger air bag 5, and meanwhile, relative movement can be performed to coincide, so as to meet the extrusion of the sinking top ball 4 during sinking, and avoid accidental unfolding of the stacked magnetic plate 9 caused by irregular deformation, so that the sinking top ball 4 fails, and the elastic pull wire 62 plays a role in pulling the upper arc piece 61 and the lower arc piece 63 to reset after moving.

Referring to fig. 3, the change control layer 8 includes a silica gel sealing layer 81 and a magnetic isolation sleeve 83 connected to each other, the magnetic isolation sleeve 83 is located at the opening slot and connected to the stacked magnetic plate 9, an elastic reset wire 82 is embedded in the silica gel sealing layer 81, the elastic reset wire 82 is connected to the trigger air bag 5, the silica gel sealing layer 81 can assist the trigger air bag 5 to better close the opening slot, the elastic reset wire 82 controls the opening slot to be closed and opened by an elastic action, and the magnetic isolation sleeve 83 is used to shield a magnetic attraction action between the sinking heading ball 4 and the stacked magnetic plate 9.

The length of the stacked magnetic plate 9 is smaller than that of the magnetic isolation sleeve 83, the stacked magnetic plate 9 is made of magnetic materials, the magnetic isolation sleeve 83 is made of magnetic isolation materials, and the stacked magnetic plate 9 can be completely covered by the magnetic isolation sleeve 83, so that the magnetic shielding effect can be improved.

Referring to fig. 6, the gravity-assist trigger ball 7 includes a hollow stressed ball shell 71, a powder spraying micropore 72 is formed in the stressed ball shell 71, the stressed ball shell 71 is filled with a display powder 73, the stressed ball shell 71 deforms after being extruded, and a small amount of display powder 73 is extruded from the powder spraying micropore 72 to prompt a trainer to touch a part just before, the stressed ball shell 71 is made of an elastic material, the display powder 73 is made of a colored magnetic material, the display powder 73 is bright in color and convenient for the trainer to visually observe, and the display powder 73 can be adsorbed on the stacked magnetic plate 9 after being sprayed out due to magnetism, so that the waste caused by falling from an opening seam is avoided, and the display powder 73 on the stacked magnetic plate 9 can be scraped by the magnetic isolation sleeve 83 when the opening seam is closed, so that the observation of the display powder 73 in the trigger air bag 5 cannot be influenced.

Referring to fig. 7, the sinking head ball 4 includes a hemispherical airbag 41 and a magnetic hemisphere 42 connected up and down, the hemispherical airbag 41 is located on the upper side of the self-avoiding hurdle cross bar 3, and the magnetic hemisphere 42 is embedded inside the self-avoiding hurdle cross bar 3, the magnetic hemisphere 42 has sufficient strength to press down the self-avoiding hurdle cross bar 3 for deformation, and meanwhile, the magnetic hemisphere has magnetism to magnetically cooperate with the expanded stacked magnetic plate 9, and the hemispherical airbag 41 can protect the trainee, so as to prevent the trainee from being injured due to the fact that the hemispherical airbag directly contacts the upper end of the self-avoiding hurdle cross bar 3 in the hurdle process.

Referring to fig. 8, a method for using a hurdle device for track and field hurdle running training includes the following steps:

s1, assembling the hurdles on the runway according to hurdle rules, and checking whether the triggering air bags 5 leak air or not before training;

s2, when training is carried out, once limbs are in contact with the self-avoiding hurdle cross bar 3, the corresponding trigger air bag 5 is squeezed, the force gathering arc sheet 6 is forced to be unfolded and absorb the corresponding sinking top ball 4 to sink while buffering, and therefore the self-avoiding hurdle cross bar 3 is forced to deform and compress to a contact part in the area;

s3, the self-avoiding hurdle cross bar 3 automatically restores the shape after deformation protection is triggered, and a trainer can determine a contact part according to the position displaying powder 73 displayed in the trigger air bag 5, so that a training result can be fed back, and targeted adjustment is facilitated;

and S4, after the trigger air bag 5 is taken down after the training is finished, the sprayed position-displaying powder 73 is recovered and refilled into the stress ball shell 71 for the next training.

The invention can realize the innovative 'softening' arrangement of the self-avoiding hurdle cross bar 3 and pre-embed a plurality of trigger air bags 5, can buffer the contact impact of a trainer during training, simultaneously utilizes the impact force to trigger the expansion of the stacked magnetic force plate 9 on the other side of the trigger air bags 5, thereby utilizing the magnetic attraction action to force the sinking top ball 4 to sink to the corresponding height, the sinking top ball 4 drives the self-avoiding hurdle cross bar 3 to deform and compress when sinking, thereby effectively avoiding the trainer from being stumbled and injured during hurdle, simultaneously the force-assisted trigger ball 7 can spray a small amount of position-displaying powder 73 to prompt the contact part of the trainer during training, thereby facilitating the targeted posture or height adjustment of the trainer, assisting in improving the hurdle training effect and effectively protecting the trainer, the safety in the hurdle training process is improved.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (9)

1. The utility model provides a track and field is hurdled and is run training with device of hurdling, includes a pair of extension board (1) of hurdling, it is connected with stand (2) of hurdling, its characterized in that to hurdle extension board (1) upper end: a self-avoiding hurdle cross rod (3) is connected between the pair of hurdle stand columns (2), a plurality of uniformly distributed trigger air bags (5) are inlaid on the front and back surfaces of the self-avoiding hurdle cross rod (3), an opening slot is formed in the inner end of each trigger air bag (5), a pair of stacked magnetic plates (9) are inlaid in the opening slot, a pair of controlled variable layers (8) are connected to the inner end of each trigger air bag (5), the controlled variable layers (8) are close to and are adhered to the opening slots and are aligned with the opening slots, a gravity trigger ball (7) is arranged in each trigger air bag (5), the gravity trigger ball (7) is connected with the pair of stacked magnetic plates (9), a plurality of uniformly distributed sinking top balls (4) are connected to the upper end of the self-avoiding hurdle cross rod (3), the sinking top balls (4) are located between the trigger air bags (5) on the front and back surfaces, each sinking top ball (4) comprises a hemispherical air bag (41) and a magnetic hemisphere (42) which are connected up and down, the hemispherical air bag (41) is positioned on the upper side of the self-avoiding hurdle cross rod (3), and the magnetic hemisphere (42) is embedded on the inner side of the self-avoiding hurdle cross rod (3).

2. The hurdle device for track and field hurdle running training according to claim 1, wherein: one end, far away from the controlled variable layer (8), of the trigger air bag (5) is connected with a force-gathering arc piece (6), and the center of the force-gathering arc piece (6) is in contact with the force-borrowing trigger ball (7) and keeps a distance from the outer surface of the trigger air bag (5).

3. The hurdle device for track and field hurdle running training according to claim 2, wherein: the force gathering arc piece (6) comprises an upper arc piece (61), a lower arc piece (63) and an elastic stay wire (62) connected between the upper arc piece (61) and the lower arc piece (63), and the upper arc piece (61) and the lower arc piece (63) are arranged in an overlapping mode.

4. The hurdle device for track and field hurdle running training according to claim 1, wherein: accuse becomes layer (8) and includes interconnect's silica gel sealing aid layer (81) and magnetism proof sleeve (83), and magnetism proof sleeve (83) are located to open seam department and are connected with folding formula magnetic plate (9), it has elasticity silk (82) that reset to inlay in silica gel sealing aid layer (81), and elasticity silk (82) that reset are connected with trigger gas package (5).

5. The device of claim 4, wherein the track and field hurdle running training device comprises: the length of the stacked magnetic plate (9) is smaller than that of the magnetism isolating sleeve (83), the stacked magnetic plate (9) is made of a magnetic material, and the magnetism isolating sleeve (83) is made of a magnetism isolating material.

6. The hurdle device for track and field hurdle running training according to claim 1, wherein: the gravity-assisted trigger ball (7) comprises a stress ball shell (71) of a hollow structure, wherein powder spraying micropores (72) are formed in the stress ball shell (71), and the stress ball shell (71) is filled with position display powder (73).

7. The hurdle device for track and field hurdle running training according to claim 6, wherein: the stress ball shell (71) is made of elastic materials, and the position displaying powder (73) is made of colorful magnetic materials.

8. The hurdle device for track and field hurdle running training according to claim 1, wherein: the self-avoiding hurdle cross bar (3) is made of elastic materials, and the distance between the front surface and the rear surface of the self-avoiding hurdle cross bar corresponding to the trigger air bags (5) is smaller than the diameter of the sinking jacking ball (4).

9. The use method of a hurdle device for track and field hurdle running training according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:

s1, assembling the hurdles on the runway according to hurdle rules, and checking whether the triggering air bags (5) leak air or not before training;

s2, when training is carried out, once limbs are in contact with the self-avoiding hurdle cross bar (3), the corresponding trigger air bag (5) is squeezed, the force gathering arc sheet (6) is forced to be unfolded and adsorb the corresponding sinking jacking ball (4) to sink while buffering, and therefore the self-avoiding hurdle cross bar (3) is forced to deform and compress to the contact position in the area;

s3, the self-avoiding hurdle cross bar (3) automatically restores the shape after being protected by triggering deformation, and a trainer can determine a contact part according to the position displaying powder (73) displayed in the triggering air bag (5), so that a training result can be fed back, and the targeted adjustment is facilitated;

and S4, after the training is finished, the trigger air bag (5) is taken down, and the sprayed position-displaying powder (73) is recovered and refilled into the stressed spherical shell (71) for the next training.

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