CN113318463A

CN113318463A - Training device for hurdling race

Info

Publication number: CN113318463A
Application number: CN202110461047.8A
Authority: CN
Inventors: 姜俊; 钟菊芳
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-08-31
Anticipated expiration: 2041-04-27
Also published as: CN113318463B

Abstract

The invention belongs to a field and field training device, and particularly relates to a hurdle running training device which comprises a running belt, a hurdle frame mechanism and a cross rod overturning assembly, wherein the hurdle frame mechanism comprises a linear moving module, a stand column and a cross rod; the end, far away from the lower turning rod, of the upper turning rod is arranged upwards and slantwise towards the direction far away from the running belt, the cross rod is parallel to the surface of the running belt, and when the cross rod moves along the surface of the upper turning rod, the end, far away from the lower turning rod, of the upper turning rod is positioned below the cross rod.

Description

Training device for hurdling race

Technical Field

The invention belongs to a track and field training device, and particularly relates to a hurdle running training device.

Background

The hurdle running is a sprint running project with fixed number, fixed distance and fixed height hurdles arranged on the way, and is also a project with more complex technology, stronger rhythm and higher exercise value in track and field sports. The invention discloses a Chinese patent with a track and field training device with the publication number of CN111467741A, wherein opposite lasers are arranged on two sides of a running belt to simulate a hurdle frame, a trainer can cross the hurdle frame to perform hurdle running training when running on the running belt, the laser simulated hurdle frame is greatly different from a real hurdle frame, the actual experience of the training is weak, and a good training effect is difficult to obtain, and the trainer needs to slow down the running speed after finishing each crossing to return the position of the trainer to the position before the hurdle so as to perform next hurdle training, namely the trainer needs to repeatedly adjust the running speed of the trainer to adapt to the device, so that the physical strength of the trainer is greatly lost, the running rhythm of the trainer is easily disturbed, and the hurdle training effect of the hurdle is poor.

Disclosure of Invention

The invention aims to provide a hurdle running training device which can carry out continuous training and does not disturb the running rhythm of a trainer.

The walking belt comprises a running belt, a hurdle mechanism and a cross rod overturning assembly, wherein the hurdle mechanism and the cross rod overturning assembly are arranged on one side of the running belt, the hurdle mechanism comprises a linear moving module, a stand column arranged on the moving end of the linear moving module, and a cross rod hinged to the stand column, the cross rod overturning assembly comprises a downward turning rod and an upward turning rod which are sequentially arranged along the moving direction of the running belt, one end, far away from the upward turning rod, of the downward turning rod is downwards and obliquely arranged towards the direction close to the running belt, the cross rod is erected on the stand column, when the cross rod moves to one end, near the upward turning rod, of the downward turning rod, the end of the downward turning rod is positioned outside one side, far away from the running belt, of the cross rod, and when the cross rod moves to one end, far away from the upward turning rod, of the downward turning rod is positioned on one side, near the running belt, of the stand column and positioned above the cross rod; the one end that the pole kept away from down the pole of turning over on, upwards just to the direction slope setting of keeping away from the area of running, the horizontal pole is on a parallel with the area surface of running and when the horizontal pole removed along the pole surface of turning over on, the pole of turning over on is located the horizontal pole below and is located the stand and be close to one side of the area of running.

Furthermore, when the cross bar stands on the upright post, the cross bar is fixedly connected with the upright post through a connecting piece.

Furthermore, the connecting piece is a magnet I.

Furthermore, a limiting rod is further arranged below the lower turning rod and is arranged along the motion direction of the running belt, the limiting rod is parallel to the surface of the running belt, and an interval for moving the cross rod is arranged between the lower turning rod and the limiting rod.

Furthermore, the upright post is a telescopic upright post.

Furthermore, one end of the upright post, which is close to the cross bar, extends to be provided with a supporting block in the direction close to the running belt, and when the cross bar rotates to be parallel to the running belt, the bottom side of the cross bar is attached to the supporting block.

Furthermore, hurdle mechanism and horizontal pole upset subassembly all are provided with two sets ofly, and two sets of hurdle mechanisms correspond with two sets of horizontal pole upset subassemblies and set up in the both sides of running the area, and when the horizontal pole in two sets of hurdle mechanisms all was parallel with the area surface of running, two horizontal poles each other were relative to be set up and lie in same straight line, and a railing is striden to two horizontal pole component jointly.

Furthermore, the linear moving modules in the two groups of hurdle mechanisms work synchronously through the transmission assembly, and the two linear moving modules are driven by one driving mechanism to work.

Furthermore, single horizontal pole includes with stand articulated base and with base articulated railing, the cover is equipped with the torsional spring on the articulated shaft of base and railing, the both ends of torsional spring respectively with base and railing butt, the railing can be towards training person's running direction rotation to automatic re-setting under the effect of torsional spring.

Furthermore, when the handrail is reset, the handrail and the base are fixed through two magnetic attraction magnets.

The invention has the advantages that the lower turning rod and the upper turning rod are sequentially arranged along the motion direction of the running belt, when the cross rod is driven by the linear moving module to do linear movement, the cross rod can respectively and automatically turn down or turn up under the inclined guiding action of the lower turning rod and the upper turning rod, in the linear reciprocating motion of the cross rod, the cross rod can turn down and move towards the front of a trainer in a horizontal state, after the trainer strides across the cross rod, the cross rod returns to the front of the trainer in an upright state, thereby realizing continuous and repeated running training on the hurdle, simulating real running training on the hurdle, having stronger actual experience and better training effect, being convenient for the trainer to control the rhythm of the hurdle, and when the cross rod moves from the rear of the trainer to the front of the trainer, not influencing the space of the trainer on the one hand because the cross rod is in the upright state, the device does not occupy the space outside the device, and on the other hand, compared with the mode that the electric or pneumatic component is arranged on the upright post to drive the cross rod to rotate, the device is more convenient to maintain, the load of the linear moving module is reduced, and the service life of the linear moving module can be prolonged.

Drawings

FIG. 1 is a schematic diagram of a first perspective of the present invention.

FIG. 2 is an enlarged view of the invention at A in FIG. 1.

Fig. 3 is a schematic structural diagram of a second viewing angle of the present invention.

Fig. 4 is an enlarged view of the invention at B in fig. 3.

Fig. 5 is a top view of the present invention.

Fig. 6 is a schematic view of the matching structure of the balustrade and the base of the present invention.

Fig. 7 is a schematic view of a first viewing angle of the cross bar and the turndown bar of the present invention in use.

Fig. 8 is a schematic view of a second perspective of the cross bar and the turndown bar of the present invention in use.

Fig. 9 is a schematic view of the cross bar and the upturned bar in cooperation with each other in the present invention.

Fig. 10 is a schematic view of the structure of the guardrail of the present invention after rotation.

In the figure, 10-running belt; 20-a linear moving module; 30-upright post; 31-magnet one; 32-a support block; 40-a cross bar; 41-a base; 42-a rail; 43-articulated shaft; 431-torsion spring; 44-magnet two; 50-turning down the rod; 51-bracket one; 52-a limiting rod; 60-upward turning rod; 61-bracket two.

Detailed Description

As shown in fig. 1 to 10, the present invention includes a running belt 10, a hurdle mechanism and a cross bar turning assembly provided at one side of the running belt 10, the running direction of the running belt 10 is opposite to the running direction of a trainer, when the running belt 10 is moving backward, the running direction of the trainer is moving forward, the running direction of the running belt 10 is the length direction of the running belt 10, the specific structure of the running belt 10 is the same as that of a treadmill, and the running speed of the running belt 10 can be controlled by an external controller. When the trainer runs on the running belt 10, the hurdle mechanism can do reciprocating motion along the length direction of the running belt 10, so that the cross bar 40 moves towards the trainer, and the trainer can perform continuous multi-time hurdle running training. Specifically, the hurdle mechanism comprises a linear moving module 20, an upright post 30 and a cross bar 40 which are sequentially arranged along the height direction, the linear moving module 20 is arranged on the side surface of the running belt 10, the moving track of the moving end of the linear moving module 20 is in linear reciprocating motion along the length direction of the running belt 10, the upright post 30 is fixedly arranged on the moving end of the linear moving module 20, and when the linear moving module 20 works, the upright post 30 makes linear reciprocating motion along the length direction of the running belt 10 along with the moving end of the linear moving module 20; the cross bar 40 is hinged on one end of the upright post 30 far away from the linear moving module 20, when the upright post 30 moves, the cross bar 40 moves along with the upright post 30, preferably, the maximum rotation angle of the cross bar 40 on the upright post 30 is 90 degrees, the cross bar 40 rotates towards the upper part of the upright post 30 (the direction far away from the running belt 10) and the cross bar 40 rotates to the right position, at the moment, the cross bar 40 stands at the top of the upright post 30, the cross bar 40 rotates towards the surface of the running belt 10 and the cross bar 40 rotates to the right position, at the moment, the cross bar 40 is perpendicular to the upright post 30, and the cross bar 40 is parallel to the surface of the running belt 10. In this embodiment, the linear moving module 20 is preferably a screw nut module, and in other embodiments, the linear moving module 20 may be a rack and pinion module or other linear moving modules.

The crossbar flipping assembly is used to flip the crossbar 40 within an angle through which it can be rotated to facilitate movement of the crossbar 40. Specifically, the horizontal pole upset subassembly sets up in running area 10 one side, and the horizontal pole flip subassembly lies in the same one side of running area 10 with hurdle mechanism, horizontal pole upset subassembly includes down turning bar 50 and upturning bar 60 for turn down and upturning the operation to horizontal pole 40 respectively, and down turning bar 50 and upturning bar 60 set gradually along running area 10 direction of motion, and the position of down turning bar 50 and upturning bar 60 is for lieing in the both ends of running area 10 homonymy, and when the training person runs on running area 10, down turning bar 50 lies in training person's oblique the place ahead, and upturning bar 60 lies in training person's oblique rear.

The turn-down bar 50 of the present invention is disposed slantingly, specifically, one end of the turn-down bar 50 far from the turn-up bar 60 is disposed slantingly downward and toward a direction close to the running belt 10, that is, one end of the turn-down bar 50 near the turn-up bar 60 is higher than one end of the turn-down bar 50 far from the turn-up bar 60, and one end of the turn-down bar 50 far from the turn-up bar 60 is closer to the running belt 10 than one end of the turn-down bar 50 near the turn-up bar 60, wherein one side of the upright post 30 away from the running belt 10 is an outer side of the upright post 30, one side of the upright post 30 near the running belt 10 is an inner side of the upright post 30, one side of the crossbar 40 away from the running belt 10 is an outer side of the crossbar 40, one side of the crossbar 40 near the running belt 10 is an inner side of the crossbar 40, when the crossbar 40 is parallel to the surface of the running belt 10, that is in a state where the crossbar 40 is upright on the crossbar 30, the straight moving module 20 drives the crossbar 40 to move the crossbar 50 to one end of the turn-down bar 50 near the turn-up bar 60, the end of the turn-down bar 40 is located on the outer side of the crossbar 40, as shown in fig. 7 and 8, since the turn-down lever 50 is disposed to be inclined downward and toward the running belt 10, when the cross bar 40 moves toward the end of the turn-down lever 50 away from the turn-up lever 60, the outer side of the cross bar 40 comes into contact with the side surface of the turn-down lever 60, the cross bar 40 gradually rotates toward the surface of the running belt 10 under the inclined guide of the turn-down lever 50, so that the cross bar 40 is gradually turned to a horizontal state parallel to the surface of the running belt 10, preferably, the end of the turn-down lever 50 away from the turn-up lever 60 has a bottom surface height slightly higher than the top surface height of the cross bar 40 in the horizontal state, and when the cross bar 40 moves along the turn-down lever 50 to the end of the turn-down lever 50 away from the turn-up lever 60, the cross bar 40 is already in the horizontal state, and the end of the turn-down lever 50 is located above the inner side of the upright 30 and above the cross bar 40 in the horizontal state.

The turn-up bar 60 of the present invention is disposed slantingly, the position of the turn-up bar 60 is located between the moving path of the running belt 10 and the upright 30, and the turn-up bar 60 is always located above the inner side of the upright 30 when the upright 30 moves, and specifically, one end of the turn-up bar 60 away from the turn-down bar 50 is disposed slantingly upward and in a direction away from the running belt 10, i.e., one end of the turn-up bar 60 away from the turn-down bar 50 is higher than one end of the turn-up bar 60 close to the turn-down bar 50, and one end of the turn-up bar 60 close to the turn-down bar 50 is closer to the running belt 10 than one end of the turn-up bar 60 away from the turn-down bar 50, i.e., when the cross bar 40 moves to one end of the turn-up bar 60 close to the turn-down bar 50, the horizontal distance between the upright 30 and the turn-up bar 60 is smaller than the horizontal distance between the upright 30 and the turn-up bar 60 when the cross bar 40 moves to one end of the turn-up bar 60 away from the turn-down bar 50, and the cross bar 40 is in a horizontal state, the cross bar 40 moves to the end of the upper turning bar 60 close to the lower turning bar 50 while the end of the upper turning bar 60 is positioned below the cross bar 40, i.e., the horizontal cross bar 40 is positioned above the end of the upper turning bar 60 while the upper turning bar 60 is inclined upward and away from the running belt 10, as shown in fig. 9, when the cross bar 40 moves to the end of the upper turning bar 60 away from the lower turning bar 50, the cross bar 40 starts to gradually contact with the surface of the upper turning bar 60, and then the cross bar 40 moves along the surface of the upper turning bar 60, and the inclined guide of the upper turning bar 60 is downward, the cross bar 40 is gradually raised and turned upward to stand upright on the top of the upright 30. The height of the end of the up-down bar 60 near the down-down bar 50 is slightly lower than the height of the bottom surface of the horizontal down-rail 40, ensuring that the rail 40 can move to the end of the up-down bar 60, preferably with the up-down bar 60 being inclined at an angle of 30-60 ° upward with respect to the horizontal.

The training device provided by the invention is characterized in that the turn-down rod 50 and the turn-up rod 60 are sequentially arranged along the movement direction of the running belt 10, when the cross rod 40 is driven by the linear movement module 20 to perform linear movement, the turn-down rod 50 and the turn-up rod 60 can respectively and automatically turn down or turn up under the inclined guiding action, in the linear reciprocating movement of the cross rod 40, the cross rod 40 can turn down and move towards the front of a trainer in a horizontal state, after the trainer strides over the cross rod 40 (when the cross rod 40 is positioned at the rear of the trainer), the cross rod 40 can return to the front of the trainer in an upright state, so that continuous and repeated cross-fence running training is realized, the invention is not limited by a field, can perform cross-fence running training in a small field, and compared with a laser type cross-fence frame, the invention can simulate real cross-fence training, has stronger actual experience of cross-fence running, better training effect, and the rhythm of the trainer can not be disordered in the process, the device is convenient for a trainer to control the rhythm of the hurdle, and when the cross bar 40 moves from the back of the trainer to the front of the trainer, because the cross bar 40 is in an upright state, on one hand, the running space of the trainer cannot be influenced, and the space outside the device cannot be occupied, on the other hand, compared with a mode that an electric or pneumatic component is arranged on the upright post 30 to drive the cross bar 40 to rotate, the device is more convenient to maintain, reduces the load of the linear moving module 20, prolongs the service life of the linear moving module 20, and can select the linear moving module 20 with small load to drive, thereby being more energy-saving and environment-friendly.

When the cross bar 40 is erected on the upright post 30, the cross bar 40 is fixedly connected with the upright post 30 through the connecting piece, and the supporting stability of the cross bar 40 and the upright post 30 in an upright state can be improved by arranging the connecting piece, so that the cross bar 40 is prevented from turning over due to gravity in the moving process, and the overall safety performance is improved. The connecting piece is a first magnet 31, specifically, two first magnets 31 are provided, as shown in fig. 2, the two first magnets 31 are respectively provided on the matching surface of the cross bar 40 and the upright post 30 in the upright state, and when the cross bar 40 is upright on the upright post 30, the cross bar 40 and the upright post 30 are magnetically attracted and fixed through the first magnet 31. The connecting piece 31 is set to be the first magnet 31, so that on one hand, the cross rod 40 and the upright post 30 are fixed firmly, downward turning and upward turning of the cross rod 40 can be facilitated, and on the other hand, when the cross rod 40 is turned downward, the magnetic attraction acting force of the first magnet 31 can also play a role in reducing the speed of the downward-turned cross rod 40, and the hinge for connecting the cross rod 40 and the upright post 30 is prevented from being damaged due to the fact that the downward-turned speed of the cross rod 40 is too high.

The front end of the running belt 10 is provided with a first support 51, the downward turning rod 50 is arranged on the first support 51, the first support 51 supports the downward turning rod 50, a limiting rod 52 is further arranged below the downward turning rod 50 on the first support 51, the limiting rod 52 is arranged along the moving direction of the running belt 10, the limiting rod 52 is parallel to the surface of the running belt 10, a space for the transverse rod 40 to move is arranged between the downward turning rod 50 and the limiting rod 52, the top surface of the preferred limiting rod 52 is highly flush with the bottom surface of the transverse rod 40 in the horizontal state, the limiting rod 52 is used for buffering and dispersing acting force on the downward turning transverse rod 40, and the transverse rod 40 is further prevented from damaging a hinge for connecting the transverse rod 40 and the upright column 30 due to overlarge downward turning speed. The rear end of the running belt 10 is provided with a second bracket 62, the upturning rod 60 is arranged on the second bracket 62, the second bracket 62 supports the upturning rod 60, and the mounting positions of the first bracket 51 and the second bracket 62 are positioned between the moving paths of the running belt 10 and the upright post 30, so that the movement of the upright post 30 and the overturning of the cross rod 40 are not influenced.

As the hurdles of the male and female trainers are different in height, in order to expand the application range of the device and be suitable for different trainers, the upright 30 is a telescopic upright, such as an electric telescopic upright or a manual adjustable telescopic upright, and when the upright 30 is a telescopic upright, the cross rod 40 is hinged on the moving end of the telescopic upright.

The upright post 30 is provided with a supporting block 32 at one end close to the cross bar 40 in a protruding manner in the direction close to the running belt 10, when the cross bar 40 rotates to be parallel to the running belt 10, namely, when the cross bar 40 is in a horizontal state, the bottom side of the cross bar 40 is attached to the supporting block 32, the supporting block 32 is arranged, the supporting acting force can be dispersed for the hinge connected with the cross bar 40 and the upright post 30, and the service life of the hinge is further prolonged.

In the invention, two sets of hurdle mechanisms and cross bar overturning components are arranged, the two sets of hurdle mechanisms and the two sets of cross bar overturning components are correspondingly arranged at two sides of the running belt 10, namely one set of hurdle mechanism and cross bar overturning mechanism is arranged at one side of the running belt 10, the other set of hurdle mechanism and cross bar overturning mechanism is arranged at the other side of the running belt 10, when the cross bars 40 in the two sets of hurdle mechanisms are parallel to the surface of the running belt 10, namely when the two cross bars 40 are in a horizontal state, the two cross bars 40 are oppositely arranged and are positioned on the same straight line, and the two cross bars 40 jointly form a cross rail 42. Through all setting up hurdle mechanism and horizontal pole upset subassembly two sets ofly, railing 42 is striden to two horizontal poles 40 are constituteed one jointly, and consequently single horizontal pole 40's length is for striding railing 42 half at most, can reduce the load of the hinge that horizontal pole 40 and stand 30 are connected on the one hand, and on the other hand, horizontal pole 40 cooperates the upset with horizontal pole upset subassembly when, and the position of point of application of force is shorter for horizontal pole 40 top, the upset operation of the horizontal pole upset subassembly of being more convenient for. Wherein, the rectilinear movement module 20 in two sets of hurdle mechanisms passes through drive assembly synchronous work, like synchronous pulley drive assembly, and two rectilinear movement modules 20 are driven by a actuating mechanism work, more energy-conserving.

The single cross bar 40 comprises a base 41 and a rail 42 arranged on the base 41, the base 41 is hinged to the upright 30, the rail 42 is hinged to the base 41, the maximum rotation stroke of the rail 42 is 90 degrees, the base 41 is hinged to the rail 42, a torsion spring 431 is sleeved on a hinge shaft 43 of the rail 42, two ends of the torsion spring 431 are respectively abutted to the base 41 and the rail 42, as shown in fig. 10, the rotation direction of the rail 42 is the running direction rotation of a trainer, and after the rail 42 rotates, the torsion spring can automatically reset under the action of the torsion spring 431. Because the railings 42 are hinged to the base 41, when the trainer runs across the rail, if the rail fails to span the rail, the legs do not completely cross the cross bar 40, and the legs hit the railings 42, at this time, because the force of the legs faces the front of the trainer, and the cross bar 40 moves towards the rear of the trainer, because the railings 42 are hinged to the base 41, under two opposite acting forces, as shown in fig. 10, at this time, the base 41 is fixed, the railings 42 rotate along the running direction of the trainer along the base 41, so that a vacant area is opened between the two railings 42, the legs can pass through the vacant area between the two railings 42, thereby preventing the trainer from falling down due to the rail-spanning failure, further improving the installation performance of the device, and after the legs pass through the two railings 42, the two railings 42 automatically return to the state of standing upright on the base 41 under the corresponding torsion springs 431. When the handrail 42 resets, that is, when the handrail 42 is in the state shown in fig. 1 for the base 41, the handrail 42 and the base 41 are fixed by the magnetic attraction through the two magnets 44, so that the reliability of the handrail 42 during resetting can be increased, the handrail 42 can be prevented from bouncing during resetting, the stability between the handrail 42 and the base 41 can be increased, and the turning operation of the cross bar turning assembly can be facilitated. In order to reduce the damage degree of limbs of the trainer caused by the impact on the handrail 42, in one embodiment of the invention, the surface of the handrail 42 is provided with a sponge layer, and in other embodiments, the handrail 42 is made of rubber or rigid foam plastics with higher hardness, so that a certain buffering and shock-absorbing effect is achieved, partial acting force is counteracted, and the injury is reduced.

The working principle of the invention is as follows: when a trainer trains through the device, the cross bar 40 is positioned in front of the trainer and is parallel to the surface of the running belt 10, the cross bar 40 moves towards the front of the trainer under the driving of the linear moving module 20, the trainer continuously runs and strides the cross bar to complete one hurdle training, if the trainer fails to stride the hurdle, the legs of the trainer can pass through between the two rails 42, then the two rails 42 are reset under the action of respective torsion springs 431, after the trainer strides across the cross bar 40, the cross bar 40 is positioned behind the trainer, the cross bar 40 moves to the corresponding upturning bar 60, under the guiding limit of the upturning bar 60, the cross bar 40 is gradually turned upwards to be erected on the top of the upright post 30, at the moment, the upright post 30 and the cross bar 40 are fixed by magnetic attraction of a magnet 31, the unidirectional stroke of the linear moving module 20 is in place, then the erected cross bar 40 is driven to move linearly in reverse direction, the upright cross bar 40 is moved to the front of the trainee at the corresponding turn-down bar 50, the cross bar 40 is rotated toward the surface of the running belt 10 under the guide limit of the turn-down bar 50 so that the cross bar 40 is turned to be parallel to the surface of the running belt 10, and then the upright cross bar 40 is driven to move in a reverse straight line, and the cross bar 40 is moved toward the front of the trainee again to perform a plurality of consecutive crossing training courses in a cycle.

Claims

1. A hurdle running training device is characterized by comprising a running belt (10), a hurdle frame mechanism and a cross rod overturning assembly, wherein the hurdle frame mechanism and the cross rod overturning assembly are arranged on one side of the running belt (10), the hurdle frame mechanism comprises a linear moving module (20), a stand column (30) arranged on the moving end of the linear moving module (20) and a cross rod (40) hinged to the stand column (30), the cross rod overturning assembly comprises a downward turning rod (50) and an upward turning rod (60) which are sequentially arranged along the moving direction of the running belt (10), one end, far away from the upward turning rod (60), of the downward turning rod (50) is arranged downwards and inclines towards the direction close to the running belt (10), the cross rod (40) is erected on the stand column (30) and when the cross rod (40) moves to one end, near the upward turning rod (60), of the downward turning rod (50) is positioned outside one side, far away from the running belt (10), of the cross rod (40) moves to one end, far away from the upward turning rod (60), of the downward turning rod (50), the end of the lower turning rod (50) is positioned at one side of the upright post (30) close to the running belt (10) and above the cross rod (40); the one end that turns up pole (60) and keep away from down pole (50) upwards and to the direction slope setting of keeping away from running area (10), and when horizontal pole (40) were on a parallel with running area (10) surface and horizontal pole (40) were followed and turned up pole (60) surface and were removed, turned up pole (60) and were located horizontal pole (40) below and were located one side that stand (30) were close to running area (10).

2. The device for training hurdle running as claimed in claim 1 wherein the cross bar (40) is fixedly connected to the upright (30) by a connecting element when the cross bar (40) is standing upright on the upright (30).

3. The device for sprinting training according to claim 2, wherein the connecting member is a magnet one (31).

4. The hurdle running training device according to claim 1, wherein a stopper (52) is further provided under the lower turning bar (50), the stopper (52) is provided along the moving direction of the running belt (10), the stopper (52) is parallel to the surface of the running belt (10), and a space for the movement of the cross bar (40) is provided between the lower turning bar (50) and the stopper (52).

5. The hurdle running training device according to claim 1, wherein said post (30) is a telescoping post.

6. The hurdle running training device according to claim 1 or 5, wherein one end of the upright (30) near the cross bar (40) is extended with a support block (32) towards the running belt (10), and when the cross bar (40) is rotated to be parallel to the running belt (10), the bottom side of the cross bar (40) is attached to the support block (32).

7. The training device for hurdle running according to any one of claims 1 to 5, wherein two sets of hurdle mechanism and cross bar turning component are provided, the two sets of hurdle mechanism and cross bar turning component are correspondingly provided on both sides of the running belt (10), when the cross bars (40) in the two sets of hurdle mechanism are parallel to the surface of the running belt (10), the two cross bars (40) are opposite to each other and are positioned on the same straight line, and the two cross bars (40) together form a hurdle bar (42).

8. The running training device of hurdle frame as claimed in claim 7 wherein the linear moving modules (20) of the two hurdle frame mechanisms are operated synchronously by a transmission assembly, the two linear moving modules (20) being driven by a drive mechanism.

9. The hurdle running training device as claimed in claim 7, wherein the single cross bar (40) comprises a base (41) hinged to the upright (30) and a rail (42) hinged to the base (41), a torsion spring (431) is sleeved on a hinged shaft (43) of the base (41) and the rail (42), two ends of the torsion spring (431) are respectively abutted to the base (41) and the rail (42), and the rail (42) can rotate towards the running direction of the trainer and automatically reset under the action of the torsion spring (431).

10. The hurdle running training device according to claim 9, wherein when the rail (42) is reset, the rail (42) and the base (41) are magnetically fixed through a second magnet (44).