CN113041543B

CN113041543B - High jump training device for sports and use method

Info

Publication number: CN113041543B
Application number: CN202110464551.3A
Authority: CN
Inventors: 滕延江
Original assignee: Xuchang University
Current assignee: Xuchang University
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-06-07
Anticipated expiration: 2041-04-28
Also published as: CN113041543A

Abstract

The invention discloses a high jump training device for sports and a use method, wherein the high jump training device comprises the following steps: the utility model discloses a jump, including the locating rack, the locating rack is provided with a plurality of fixed point structures, the bottom opposite side of locating rack is provided with protective structure, under the cooperation of clockwork spring, it is rotatory to drive the rolling axle, realizes rolling the silk thread that is connected with the magnetic path, after the rolling, the magnetic path joint again is in electromagnetic buckle, realizes the automatic re-setting of horizontal pole, does not need manual adjustment to reset, reduce the unnecessary operation, realize the training of high efficiency, when the training, a plurality of fixed point structures are arranged in proper order, can realize reminding to the sportsman, dash thorn action before can standardizing the jump better, the optimization jump orbit that can be better, realize muscle memory, can reach higher jump score.

Description

High jump training device for sports and use method

Technical Field

The invention relates to the technical field of sports training, in particular to a high jump training device for sports and a using method thereof.

Background

The jump is one of the track and field competition projects of the track and field sports, it is the movement that the human body jumps over the high obstacle through the serial movement form of run-up, take-off, soaring, landing, the technological movement of the jump movement appears 5 times and has greatly evolved, namely leap type, scissors type, roll type, prone type and back-crossing, modern most athletes all adopt the back-crossing, the jump height of men and women is listed as Olympic game project in 1896, 1928 respectively, the highest organization of the world jump movement is the track and field of the world, the organization stands in 1912, the main responsibility is to develop the track and field sports in the world, formulate the timing method of the track and field competition and establish the standard of the world record, etc., and in China, the highest organization of the jump movement is the China track and field Association, the organization stands in 1954, the purpose is to guide and promote the development of the Chinese track and field sports, etc.;

at current high jump training in-process, to sportsman's the training of washing and jump gesture, at the training in-process, to sportsman's the location that the foothold can not be accurate, lead to sportsman's the foothold that can not be accurate, the result of training at every turn is different, and the training effect is not good, and in the training in-process, the high jump pole can be touched and fall down, falls at every turn, needs the manual work to reset and to the calibration of position, and troublesome poeration influences the training process, influences the training result.

Disclosure of Invention

The invention aims to provide a high jump training device for sports and a using method thereof, which solve the technical problems that a foot drop point of an athlete can not be accurately positioned, the athlete can not accurately drop feet, the training result of each time is different, the training effect is poor, a high jump rod can be touched and dropped in the training process, and each time the high jump rod is dropped, manual reset and position calibration are needed, and the operation is troublesome.

The purpose of the invention can be realized by the following technical scheme:

a high jump training device for sports, comprising: the positioning structure is installed on the positioning frame, a plurality of fixed point structures are arranged on one side of the bottom of the positioning frame in series, and the other side of the bottom of the positioning frame is provided with the protection structure.

As a further scheme of the invention: the fixed point structure comprises a bottom plate, a second spring, a plate electrode, positioning rods, a warning light, a warning buzzer, a connecting buckle, a rubber pad, a containing cavity, a limiting plate, a spool and a connecting ring, wherein the bottom plate is internally provided with a mounting groove with an upward opening, a pedal is arranged in the mounting groove, the positioning rods are respectively arranged in the mounting groove and at the bottom side of the pedal, the second spring is respectively sleeved on the upper positioning rod and the lower positioning rod, the plate electrode is respectively fixed at the middle part of the bottom groove wall of the mounting groove and at the bottom side of the pedal, the warning light is arranged at the top side of the bottom plate, the warning buzzer is arranged on the side wall of the bottom plate, the rubber pad is fixedly adhered at the bottom side of the bottom plate, the containing cavity is arranged in the rubber pad, the spool is arranged between the upper side wall and the lower side wall of the containing cavity in a matching way through a bearing, the limiting plate is respectively sleeved at the upper end and the lower end of the spool, the both ends of clockwork spring are fixed respectively on the chamber wall of accomodating the chamber and on the limiting plate, accomodate and seted up the line hole on one side chamber wall in chamber, the silk thread is worn to be equipped with in the inside in line hole, and the one end of silk thread is fixed on the spool, and the other end of silk thread is bound and is had the go-between, be fixed with the connector link on the rubber pad.

As a further scheme of the invention: the warning lamp, the warning buzzer, the two electrode plates and the power supply are connected into a series circuit through leads.

As a further scheme of the invention: the connecting buckle and the connecting ring are of a matching structure.

As a further scheme of the invention: the calibration structure comprises a lifting motor, a lifting lead screw, a sliding plate, a pointer, a winding shaft, a fixed plate, a winding shaft, a transverse rod, a limiting buckle, an electromagnetic buckle and a magnetic block, wherein the lifting motor is installed at the top of a positioning frame, the lead screw is installed in a rotating shaft of the lifting motor, a sliding hole is formed in the positioning frame, one end of the sliding plate is provided with a sliding hole, a screw hole is formed in one end of the sliding plate, the lifting lead screw penetrates through the screw hole, the fixed plate is fixed on the sliding plate, the top of the fixed plate is provided with the pointer, the winding shaft is fixed on the fixed plate, the winding shaft is installed inside the winding shaft, the spiral spring is sleeved at each of two ends of the winding shaft, the electromagnetic buckle is fixed on the circumferential surface of the winding shaft, the magnetic block is arranged inside the electromagnetic buckle and is provided with the magnetic block, and the limiting buckle is fixed on the magnetic block.

As a further scheme of the invention: two limiting buckles are symmetrically arranged on the positioning frame, and two ends of the cross rod are respectively arranged in the two limiting buckles.

As a further scheme of the invention: the winding device is characterized in that a wire hole is formed in the wall of the winding drum, a silk thread penetrates through the wire hole, and two ends of the silk thread are fixed on the winding shaft and the magnetic block respectively.

As a further scheme of the invention: protective structure includes air cushion, gas tank, trachea, flexible bag, locating plate and first spring, one side of air cushion is fixed with the gas tank, flexible bag is pasted to one side of gas tank, the other end of flexible bag is fixed with the locating plate, the rigid coupling has first spring between locating plate and the gas tank lateral wall, the bottom of air cushion is connected with the trachea, air cushion, gas tank and flexible bag are the connectivity structure.

A use method of a high jump training device for sports comprises the following operation steps:

s1, through arranging a lifting motor, under the driving of the lifting motor, the sliding plate is lifted through a lifting lead screw, in the lifting process, the lifting of the position of a cross rod is realized, a pointer is arranged on a fixed plate and can be matched with the lifting height to realize the calibration of the lifting height, a trainer can train after the calibration, in the training process, after a feeler lever, a magnetic block is randomly separated from an electromagnetic buckle, a limiting buckle drives the cross rod to move, the cross rod cannot cause stumbling to the trainer, the safety of the trainer is better ensured, when the winding device is used, a winding shaft is driven to rotate under the matching of a clockwork spring, the silk thread connected with the magnetic block is wound, after the winding, the magnetic block is clamped in the electromagnetic buckle again, the automatic resetting of the cross rod is realized, the manual adjustment resetting is not needed, the unnecessary operation is reduced, and the high-efficiency training is realized;

s2, during training, arranging a plurality of fixed point structures in sequence, fastening a connecting ring on a connecting buckle of the fixed point structures, randomly pulling silk threads, realizing connection of the fixed point structures under the matching of spiral springs at two ends of a spool, and placing each fixed point structure at a foot drop point, wherein during training, when a sports foot is stepped on a pedal, the pedal is pressed down, in the pressing process, two electrode plates are contacted, and a warning lamp and a warning buzzer are electrified, so that the reminding to an athlete can be realized, the punching action before jumping can be standardized better, the jumping track can be optimized better, muscle memory can be realized, and higher jumping scores can be achieved;

s3, the air cushion is set to be L-shaped, so that the air cushion can better protect athletes falling on the air cushion, when the athletes fall on the air cushion, the air is discharged into the air storage box, the extension of the telescopic bag can be realized in the air discharging process, the extruded air is released, and after the air is released, the air in the telescopic bag is refilled into the air cushion under the cooperation of the first spring, so that the single expansion and deformation of the air cushion are avoided, the instant compression and explosion of the air cushion are avoided, and the service life of the air cushion is prolonged.

The invention has the beneficial effects that:

in the training process, the magnetic block is randomly separated from the electromagnetic buckle after the feeler lever, the limiting buckle drives the cross rod to move, the cross rod cannot stumble training personnel, the safety of the training personnel is better ensured, when the feeler lever is used, the winding shaft is driven to rotate under the matching of the clockwork spring, the silk thread connected with the magnetic block is wound, and after the winding, the magnetic block is clamped in the electromagnetic buckle again, so that the automatic resetting of the cross rod is realized, the manual adjustment and resetting are not needed, the unnecessary operation is reduced, and the high-efficiency training is realized;

through the connection of a plurality of fixed point structures, each fixed point structure is placed at a foot drop point, when a user exercises to step on the pedal, the pedal is pressed down, in the pressing process, the two electrode plates are in contact, the warning lamp and the warning buzzer are electrified, the warning to the athlete can be realized, the jump forward rush motion can be well normalized, the jump track can be well optimized, the muscle memory can be realized, and the higher jump score can be achieved;

through setting up the air cushion into "L" type, can be to the better protection of the sportsman who falls on the air cushion, when the sportsman fell on the air cushion, flexible bag extended, to the release of extrusion gas, after the release, under the cooperation of first spring, with the gas backfill in the flexible bag to the air cushion in, avoid the single inflation of air cushion to warp, avoid the air cushion pressurized explosion in the twinkling of an eye, the life of extension air cushion.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic front perspective view of a high jump training device for sports;

FIG. 2 is a schematic side perspective view of a high jump training device for sports;

FIG. 3 is a schematic top perspective view of a high jump training device for sports;

FIG. 4 is a schematic front plan view of a high jump training device for sports;

FIG. 5 is a schematic diagram of a fixed point structure of a high jump training device for sports;

in the figure: 1. a positioning frame; 2. calibrating the structure; 3. a protective structure; 4. a fixed point structure; 21. a lift motor; 22. a lifting screw rod; 23. a slide plate; 24. a pointer; 25. a winding shaft; 26. a fixing plate; 27. winding the roll; 28. a cross bar; 29. a limiting buckle; 210. an electromagnetic buckle; 211. a magnetic block; 31. an air cushion; 32. a gas storage tank; 33. an air tube; 34. a flexible bag; 35. positioning a plate; 36. a first spring; 41. a base plate; 42. a second spring; 43. an electrode plate; 44. positioning a rod; 45. a warning light; 46. a siren; 47. a connecting buckle; 48. a rubber pad; 49. a receiving cavity; 410. a limiting plate; 411. a bobbin; 412. and (7) connecting rings.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 in fig. 1 to 5, a high jump training device for sports, comprising: locating rack 1, mark structure 2, protective structure 3 and fixed point structure 4, install on the locating rack 1 and mark structure 2, the bottom one side of locating rack 1 is established ties and is provided with a plurality of fixed point structures 4, and the bottom opposite side of locating rack 1 is provided with protective structure 3.

As an embodiment of the invention, the fixed point structure 4 comprises a bottom plate 41, a second spring 42, an electrode plate 43, a positioning rod 44, a warning light 45, a warning buzzer 46, a connecting buckle 47, a rubber pad 48, a containing cavity 49, a limiting plate 410, a bobbin 411 and a connecting ring 412, wherein the bottom plate 41 is internally provided with an installation groove with an upward opening, a pedal is arranged in the installation groove, the positioning rod 44 is respectively arranged in the installation groove and at the bottom side of the pedal, the second spring 42 is respectively sleeved on the upper and lower positioning rods 44, the electrode plate 43 is respectively fixed at the middle part of the bottom groove wall of the installation groove and at the bottom side of the pedal, the warning light 45 is arranged at the top side of the bottom plate 41, the warning buzzer 46 is arranged on the side wall of the bottom plate 41, the rubber pad 48 is fixedly adhered at the bottom side of the bottom plate 41, the containing cavity 49 is arranged in the rubber pad 48, the bobbin 411 is arranged between the upper and lower side wall of the containing cavity 49 in a matching way through a bearing, the upper end and the lower end of the bobbin 411 are respectively sleeved with a limiting plate 410, the two ends of the bobbin 411 are respectively provided with a clockwork spring, the two ends of the clockwork spring are respectively fixed on the cavity wall of the containing cavity 49 and the limiting plate 410, the cavity wall of one side of the containing cavity 49 is provided with a wire hole, a silk thread penetrates through the wire hole, one end of the silk thread is fixed on the bobbin 411, the other end of the silk thread is bound with a connecting ring 412, a connecting buckle 47 is fixed on a rubber pad 48, a warning lamp 45, a warning buzzer 46, two electrode plates 43 and a power supply are connected into a series circuit through wires, the connecting buckle 47 and the connecting ring 412 are matched structures, when the electric shock alarm device works, the connection of a plurality of fixed point structures 4 is realized, each fixed point structure 4 is placed at a foot-falling point position, when a sports foot is stepped on the pedal, the pedal is pressed down, the two electrode plates 43 are contacted, the warning lamp 45 and the warning buzzer 46 are electrified, the reminding of an athlete can be realized, and the jump forward-rush action can be standardized better, the jump track can be better optimized.

As an implementation mode of the invention, the calibration structure 2 comprises a lifting motor 21, a lifting screw rod 22, a sliding plate 23, a pointer 24, a winding shaft 25, a fixing plate 26, a winding drum 27, a cross rod 28, a limit buckle 29, an electromagnetic buckle 210 and a magnetic block 211, the lifting motor 21 is installed at the top of the positioning frame 1, the screw rod is installed on a rotating shaft of the lifting motor 21, a sliding hole is opened inside the positioning frame 1, a sliding hole is arranged at one end of the sliding plate 23, a threaded hole is opened inside one end of the sliding plate 23, the lifting screw rod 22 is inserted into the threaded hole, the fixing plate 26 is fixed on the sliding plate 23, the pointer 24 is arranged at the top of the fixing plate 26, the winding drum 27 is fixed on the fixing plate 26, the winding shaft 25 is installed inside the winding drum 27, a spiral spring is respectively sleeved at two ends of the winding shaft 25, the electromagnetic buckle 210 is fixed on the circumferential surface of the winding drum 27, the magnetic block 211 is clamped inside the electromagnetic buckle 210, the limiting buckle 29 is fixed on the magnetic block 211, when the magnetic block 211 works, the magnetic block 211 is separated from the electromagnetic buckle 210 randomly, the limiting buckle 29 drives the cross rod 28 to move, the cross rod 28 cannot trip training personnel, and safety of the training personnel is guaranteed better.

As an embodiment of the invention, two limit buckles 29 are symmetrically arranged on the positioning frame 1, two ends of the cross rod 28 are respectively arranged in the two limit buckles 29, a wire hole is arranged on the cylinder wall of the winding cylinder 27, a silk thread penetrates through the wire hole, two ends of the silk thread are respectively fixed on the winding shaft 25 and the magnetic block 211, the magnetic block 211 is clamped in the electromagnetic buckle 210 again, the automatic reset of the cross rod 28 is realized, the manual adjustment and reset are not needed, the unnecessary operation is reduced, and the high-efficiency training is realized.

As an embodiment of the present invention, the protection structure 3 includes an air cushion 31, an air tank 32, an air pipe 33, a flexible bag 34, a positioning plate 35 and a first spring 36, the air tank 32 is fixed on one side of the air cushion 31, the flexible bag 34 is adhered on one side of the air tank 32, the positioning plate 35 is fixed on the other end of the flexible bag 34, the first spring 36 is fixedly connected between the positioning plate 35 and the sidewall of the air tank 32, the air pipe 33 is connected to the bottom of the air cushion 31, the air tank 32 and the flexible bag 34 are in a communicating structure, when the protection structure works, the air in the flexible bag 34 is recharged into the air cushion 31 under the cooperation of the first spring 36, so as to avoid single expansion and deformation of the air cushion 31, avoid instant pressure and explosion of the air cushion 31, and prolong the service life of the air cushion 31.

s1, the lifting motor 21 is arranged, the lifting of the sliding plate 23 is realized through the lifting screw rod 22 under the driving of the lifting motor 21, the lifting of the position of the cross rod 28 is realized in the lifting process, the pointer 24 is arranged on the fixed plate 26 and can be matched with the lifting height to realize the calibration of the lifting height, training personnel can train after the calibration, in the training process, the magnetic block 211 is separated from the electromagnetic buckle 210 at random after the touch rod, the limit buckle 29 drives the cross rod 28 to move, the cross rod 28 cannot cause stumbling to the training personnel, the safety of the training personnel is better ensured, when the device is used, the winding shaft 25 is driven to rotate under the matching of the spiral spring to realize the winding of the silk thread connected with the magnetic block 211, after the winding, the magnetic block 211 is clamped in the electromagnetic buckle 210 again to realize the automatic resetting of the cross rod 28, the manual adjustment resetting is not needed, and unnecessary operations are reduced, efficient training is realized;

s2, during training, the plurality of fixed point structures 4 are sequentially arranged, the connecting ring 412 is buckled on the connecting buckle 47 of the fixed point structure 4, the silk thread is randomly pulled, the plurality of fixed point structures 4 can be connected under the matching of the clockwork springs at the two ends of the bobbin 411, the silk thread does not appear in an unnecessary way, each fixed point structure 4 is placed at the position of a foot drop point, during training, when a user steps on a pedal during exercise, the pedal is pressed down, the two electrode plates 43 are contacted in the pressing-down process, the warning lamp 45 and the warning buzzer 46 are electrified, the reminding of an athlete can be realized, the pre-jump punching action can be well normalized, the jump track can be better optimized, muscle memory is realized, and higher jump scores can be achieved;

s3, the air cushion 31 is set to be L-shaped, so that the air cushion can better protect athletes falling on the air cushion 31, when the athletes fall on the air cushion 31, air is discharged into the air storage tank 32, the extension of the telescopic bag 34 can be realized in the air discharging process, the extruded air is released, after the release, the air in the telescopic bag 34 is refilled into the air cushion 31 under the cooperation of the first spring 36, the single expansion and deformation of the air cushion 31 are avoided, the instant compression and explosion of the air cushion 31 are avoided, and the service life of the air cushion 31 is prolonged.

The working principle of the invention is as follows: under the drive of the lifting motor 21, the sliding plate 23 is lifted through the lifting screw rod 22, in the lifting process, the lifting of the position of the cross rod 28 is realized, the pointer 24 is arranged on the fixing plate 26 and can be matched with the lifting height to realize the calibration of the lifting height, in the training process, after the feeler lever, the magnetic block 211 is randomly separated from the electromagnetic buckle 210, the limiting buckle 29 drives the cross rod 28 to move, the cross rod 28 cannot cause stumbling on training personnel, the safety of the training personnel is better ensured, in the use process, the winding shaft 25 is driven to rotate under the matching of a clockwork spring, the silk thread connected with the magnetic block 211 is wound, after the winding, the magnetic block 211 is clamped in the electromagnetic buckle 210 again, the automatic resetting of the cross rod 28 is realized, the manual adjustment resetting is not needed, the unnecessary operation is reduced, and the high-efficiency training is realized; during training, the plurality of fixed point structures 4 are sequentially arranged, the connecting ring 412 is buckled on the connecting buckle 47 of the upper fixed point structure 4, the silk threads are randomly pulled, the connection of the plurality of fixed point structures 4 can be realized under the matching of the clockwork springs at the two ends of the bobbin 411, the silk threads can not be unnecessarily appeared, each fixed point structure 4 is placed at the position of a foot drop point, when a sports foot is stepped on the pedal during training, the pedal is pressed down, in the pressing-down process, the two electrode plates 43 are contacted, the warning lamp 45 and the warning buzzer 46 are electrified, the reminding to an athlete can be realized, the punching action before jumping can be better specified, the jumping track can be better optimized, muscle memory can be realized, higher jumping performance can be achieved, the air cushion 31 is set to be L-shaped, the better protection to the athlete falling on the air cushion 31 can be realized, when the athlete falls on the air cushion 31, in discharging gas storage tank 32, in the exhaust process, can realizing the extension of flexible bag 34, to the release of extrusion gas, after the release, under the cooperation of first spring 36, with the gas backfill in the flexible bag 34 to the air cushion 31 in, avoid the single inflation deformation of air cushion 31, avoid air cushion 31 to receive pressure explosion in the twinkling of an eye, prolong air cushion 31's life.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and the full scope and equivalents.

Claims

1. A high jump training device for sports, comprising: the positioning structure comprises a positioning frame (1), a calibration structure (2), a protection structure (3) and a fixed point structure (4), wherein the calibration structure (2) is installed on the positioning frame (1), a plurality of fixed point structures (4) are arranged on one side of the bottom of the positioning frame (1) in series, and the protection structure (3) is arranged on the other side of the bottom of the positioning frame (1); the fixed point structure (4) comprises a bottom plate (41), a second spring (42), an electrode plate (43), positioning rods (44), warning lamps (45), warning annunciators (46), connecting buckles (47), rubber pads (48), a containing cavity (49), a limiting plate (410), a bobbin (411) and a connecting ring (412), wherein an installation groove with an upward opening is formed in the bottom plate (41), a pedal is arranged in the installation groove, the positioning rods (44) are respectively installed in the installation groove and on the bottom side of the pedal, the second spring (42) is respectively sleeved on the upper positioning rod and the lower positioning rod (44), the electrode plate (43) is respectively fixed in the middle of the bottom groove wall of the installation groove and on the bottom side of the pedal, the warning lamps (45) are installed on the top side of the bottom plate (41), the warning annunciators (46) are installed on the side wall of the bottom plate (41), and the rubber pads (48) are fixedly adhered to the bottom side of the bottom plate (41), a containing cavity (49) is formed in the rubber pad (48), a spool (411) is installed between the upper side cavity wall and the lower side cavity wall of the containing cavity (49) in a matched mode through a bearing, limiting plates (410) are sleeved at the upper end and the lower end of the spool (411) respectively, a clockwork spring is installed at each of the two ends of the spool (411), two ends of the clockwork spring are fixed on the cavity wall of the containing cavity (49) and the limiting plates (410) respectively, a wire hole is formed in the cavity wall of one side of the containing cavity (49), a silk thread penetrates through the inside of the wire hole, one end of the silk thread is fixed on the spool (411), a connecting ring (412) is bound at the other end of the silk thread, and a connecting buckle (47) is fixed on the rubber pad (48);

the calibration structure (2) comprises a lifting motor (21), a lifting screw rod (22), a sliding plate (23), a pointer (24), a winding shaft (25), a fixing plate (26), a winding drum (27), a cross rod (28), a limiting buckle (29), an electromagnetic buckle (210) and a magnetic block (211), wherein the lifting motor (21) is installed at the top of a positioning frame (1), the screw rod is installed on a rotating shaft of the lifting motor (21), a sliding hole is formed in the positioning frame (1), a sliding hole is formed in one end of the sliding plate (23), a screw hole is formed in one end of the sliding plate (23), the lifting screw rod (22) is arranged in the screw hole in a penetrating manner, the fixing plate (26) is fixed on the sliding plate (23), the pointer (24) is arranged at the top of the fixing plate (26), the winding drum (27) is fixed on the fixing plate (26), the winding shaft (25) is installed in the winding drum (27), a spiral spring is sleeved at each of two ends of the winding shaft (25), the electromagnetic buckle (210) is fixed on the circumferential surface of the winding drum (27), a magnetic block (211) is clamped inside the electromagnetic buckle (210), and a limiting buckle (29) is fixed on the magnetic block (211);

protective structure (3) are including air cushion (31), gas tank (32), trachea (33), flexible bag (34), locating plate (35) and first spring (36), one side of air cushion (31) is fixed with gas tank (32), one side of gas tank (32) is pasted and is had flexible bag (34), the other end of flexible bag (34) is fixed with locating plate (35), the rigid coupling has first spring (36) between locating plate (35) and gas tank (32) lateral wall, the bottom of air cushion (31) is connected with trachea (33), air cushion (31), gas tank (32) and flexible bag (34) are the open structure.

2. The physical high jump training device of claim 1, wherein the warning lamp (45), the warning buzzer (46), the two electrode plates (43) and the power supply are connected in a series circuit by wires.

3. The physical high jump training device of claim 1, wherein the connection buckle (47) and the connection ring (412) are of a mating structure.

4. The physical high jump training device according to claim 1, wherein two limit buckles (29) are symmetrically arranged on the positioning frame (1), and two ends of the cross rod (28) are respectively arranged in the two limit buckles (29).

5. The physical high jump training device of claim 1, wherein the winding drum (27) has a cylindrical wall provided with a thread hole, a thread is inserted into the thread hole, and two ends of the thread are respectively fixed on the winding shaft (25) and the magnet (211).

6. The method of using a physical high jump training device of claim 1, wherein the steps of operating are as follows:

s1, the sliding plate (23) is lifted through the lifting motor (21) under the driving of the lifting motor (21), the lifting of the position of the cross rod (28) is realized in the lifting process, the pointer (24) is arranged on the fixing plate (26) and can be matched with the lifting screw rod to realize the calibration of the lifting height, training personnel can train after the calibration, the magnetic block (211) is randomly separated from the electromagnetic buckle (210) after the contact rod in the training process, the limiting buckle (29) drives the cross rod (28) to move, the cross rod (28) cannot cause stumbling on the training personnel, the safety of the training personnel is better ensured, in the use, the winding shaft (25) is driven to rotate under the matching of the clockwork spring to realize the winding of the silk thread connected with the magnetic block (211), the magnetic block (211) is clamped in the electromagnetic buckle (210) again after the winding, the automatic resetting of the cross rod (28) is realized, manual adjustment and resetting are not needed, unnecessary operation is reduced, and efficient training is realized;

s2, during training, a plurality of fixed point structures (4) are sequentially arranged, a connecting ring (412) is buckled on a connecting buckle (47) of the fixed point structure (4), a silk thread is randomly pulled, the fixed point structures (4) can be connected under the matching of spiral springs at two ends of a bobbin (411), the silk thread does not appear in a redundant manner, each fixed point structure (4) is placed at a foot drop point, during training, when a sport foot is stepped on a pedal, the pedal is pressed down, in the pressing down process, two electrode plates (43) are contacted, a warning lamp (45) and a warning buzzer (46) are electrified, the reminding of athletes can be realized, the forward jump thrust motion can be better regulated, the jump track can be better optimized, muscle memory can be realized, and higher jump score can be reached;

s3, the air cushion (31) is set to be L-shaped, so that a player falling on the air cushion (31) can be better protected, when the player falls on the air cushion (31), gas is discharged into the gas storage tank (32), the extension of the telescopic bag (34) can be realized in the gas discharging process, the extruded gas is released, after the release, the gas in the telescopic bag (34) is refilled into the air cushion (31) under the cooperation of the first spring (36), the single expansion and deformation of the air cushion (31) are avoided, the instant compression and explosion of the air cushion (31) are avoided, and the service life of the air cushion (31) is prolonged.