CN117046038A - Track and field physical training apparatus convenient to equipment - Google Patents

Abstract

The invention relates to the technical field of physical training apparatuses, in particular to an athletic physical training apparatus convenient to assemble, which comprises a bearing rod, wherein a guide frame is arranged on the bearing rod, a traction rope is arranged on the guide frame, one end of the traction rope is provided with a counterweight mechanism, a hollow cavity is arranged in the bearing rod, a supporting leg is fixed on the side wall of the bearing rod, a direction adjusting device is arranged on the guide frame, a pedal assembly is slidably arranged on the bearing rod, a top opening is arranged on the upper surface of the bearing rod, a passing hole is formed in the bearing rod, an auxiliary rod is arranged on the bearing rod, one end of the auxiliary rod passes through the passing hole and is clamped on the bearing rod, an auxiliary seat is fixed on the auxiliary rod, the guide frame is a vertical rod with the bottom fixed on the bearing rod, a support plate is fixed on the top end of the vertical rod, a pulley frame is rotatably arranged at the bottom of the support plate, and can be flexibly converted into traction forces with different directions and heights according to the training requirements of athletes during training, and the leg training can be adjusted according to the requirements, so that the athletes can perform comprehensive training.

Description

A track and field physical training equipment that is easy to assemble

Technical field

The invention relates to a track and field physical training equipment that is easy to assemble and belongs to the technical field of physical training equipment.

Background technique

Track and field sports refers to the general term for all-round sports including walking, running, jumping, throwing and other sports and some of them. Athletes participating in track and field sports need to conduct a lot of physical training, and scientific physical training can maximize their performance. Athletes' performance, while reasonable training can improve physical fitness and reduce athletes' physical injuries during exercise to a large extent, which is of great significance to athletes' physical and mental health.

For example, the Chinese invention patent application document with the publication number CN115779354A discloses a multi-functional sports and track and field physical training device, which achieves effective traction of the legs through the traction mechanism. At the same time, with the cooperation of the training rod, the feet can be and hand position for effective training, and the cooperation with the lifting mechanism further improves the applicable scope of the training device. .

However, when training the hands, its device can only perform a single pull training and cannot be flexibly changed. Therefore, the training method is too single for athletes, and the length of the traction rope is fixed, which cannot meet the training needs of different athletes, especially when adjusting After lifting the height of the tube 14, the difference will be further increased, and there will be a lack of relevant training for the user's legs.

In view of this, the present invention is proposed.

Contents of the invention

The object of the present invention is to solve the above problems and provide a track and field physical training equipment that is easy to assemble, has the ability to flexibly transform into traction forces in different directions according to the training needs of athletes during training, is more flexible and easy to use, and can Adjust the stretching degree of the free end of the traction rope according to the needs of the athletes, and cooperate with the set leg training to facilitate comprehensive training for the athletes.

The present invention achieves the above object through the following technical solution. A track and field physical training equipment that is easy to assemble includes a load-bearing rod. The load-bearing rod serves as the main force-bearing component and is used to support related components and users. The load-bearing rod is equipped with The guide frame is used to provide tension guidance for the traction rope so that the rear counterweight can rise normally without being blocked after being pulled. The guide frame is provided with a traction rope, and one end of the traction rope is provided with a counterweight. Mechanism, the counterweight mechanism is used to provide appropriate gravity as the reverse resistance when the traction rope moves, and can increase the difficulty of moving the traction rope when pulling the traction rope. There is a hollow chamber inside the load-bearing rod, and the hollow chamber is used for In order to accommodate the transmission chain, middle gear, side gear and other components, support legs are fixed on the side walls of the load-bearing rod. Support legs are provided at both ends of the load-bearing rod. The support legs on one side of the auxiliary seat should be higher than the other. One side is for the athletes to use. The guide frame is equipped with a direction adjustment device. The direction adjustment device can guide the traction rope twice, so that when the athletes need to change their training methods, adaptive adjustments can be made. After adjustment, it can be convenient for the athletes. Pull the traction rope from bottom to top or from back to front, so as to better meet the training requirements of athletes. A foot pedal assembly is slidably installed on the load-bearing rod, and athletes can place their feet on the foot pedal assembly. The upper surface of the load-bearing rod is provided with a top opening, and the top opening is used for the structural parts of the foot pedal assembly to extend to the inside. The load-bearing rod is provided with a through hole, and the load-bearing rod is provided with an auxiliary rod. One end passes through the through hole and is clamped on the load-bearing rod. An auxiliary seat is fixed on the auxiliary rod. The auxiliary seat can be used for athletes to sit on it, thereby facilitating training operations.

Furthermore, the guide frame is a vertical rod with the bottom fixed on the load-bearing rod. In order to allow the traction rope above the counterweight block to have moving space, the top of the vertical rod is fixed with a support plate, and the two sides of the vertical rod are Both are equipped with symmetrical traction ropes and counterweight mechanisms. The bottom of the support plate is rotatably installed with a pulley frame. The pulley frame can rotate in a horizontal manner. In the present invention, it is to be able to adjust the traction angle of the traction rope. The pulley frame A main guide wheel is installed and rotated on the frame, and the traction rope is wound around the main guide wheel on one side. The traction rope changes the movement trajectory at the main guide wheel to facilitate the athlete's use below.

Further, the direction adjustment device includes a moving ring and a limiting member. The moving ring is sleeved on the vertical rod. An extension plate is fixed on the side wall of the moving ring. The limiting member is rotatably mounted on the vertical rod. At the end of the extension plate, the limiting member includes a limiting pulley, a mounting piece and an auxiliary blocking wheel. The limiting pulley and the auxiliary blocking wheel are both rotatably mounted on the side wall of the mounting piece, so The installation piece is mounted on the extension plate through a rotating shaft. The direction adjustment device is used to adjust the direction of the traction rope twice. When there is no adjustment, the traction rope can only move up and down. The direction adjustment device can make the traction rope move in different directions. It can be bent twice at a height and can increase the deflection of the traction rope to both sides, thereby providing a higher degree of freedom for pulling the traction rope and making it more flexible to use.

Furthermore, in order to facilitate the fixation of direction-adjusting devices of different heights, side holes are provided on the side walls of the vertical rods, adjustment bolts are provided on the moving ring, and there are adjustment bolts in the side holes for use with the adjustment bolts. internal thread.

Further, in order to facilitate training using the gravity of external objects, the weight mechanism includes a weight block and a pull handle. The pull handle is fixed on one end of the traction rope, and one end of the traction rope passes through the limit. Between the pulley and the auxiliary pulley, and passing between the main guide pulley and the pulley frame, one end of the traction rope is connected to the counterweight.

Further, in order to facilitate changing the pulling resistance of the traction rope to meet the different needs of athletes, one end of the traction rope is provided with a central column, and the centers of the counterweight blocks are provided with center holes. The counterweight blocks and The side walls of the center column are all provided with through holes of the same size, and connecting pin rods are provided in the through holes. The number and weight of the counterweight blocks are configured according to needs.

Further, in order to facilitate the storage of the counterweight block and facilitate the transfer and adjustment, a pin block is provided on the support leg close to the counterweight block, and a placement tube is movably connected to the pin block. The counterweight block is located on the It is placed in a cylinder, and a vertical gap is provided on one side of the cylinder.

Further, in order to increase the leg training of athletes, transmission rods are installed between the inner walls of the load-bearing rods, and transmission rods are provided on both sides below the top opening, and side gears are provided on the transmission rods. and the middle gear, the side gears are provided on both sides of the middle gear, the side gears are provided with transmission chains, the side walls of the auxiliary rod are provided with auxiliary teeth, the auxiliary teeth and the The middle gears are meshed, and the middle gear is used to move the auxiliary rod, thereby changing the height of the auxiliary seat. A block is fixed at the bottom of the load-bearing rod, and one end of the block extends to the bottom of the through hole. The auxiliary rod is provided with After the auxiliary rod passes through the passage opening, the stopper can limit the downward movement of the auxiliary rod.

Further, in order to increase the training resistance when athletes train their legs, fixed plates are fixed between the inner walls of the load-bearing rods, a central spring is fixed on the side walls of the fixed plates, and one end of the central spring is fixed with a Moving plate, the bottom of the moving plate is fixedly connected to the transmission chain.

Further, in order to facilitate the transmission of power, the pedal assembly includes a cover plate and a pedal member. The pedal member is fixed on the cover plate. Chain teeth are fixed on the bottom of the cover plate. The pedal member A friction groove is provided on the side wall, and a sliding track is provided on the side wall of the bearing member. A slide rail member is slidably connected to the sliding track. The cover plate is installed on the slide rail member through fastening bolts. On the top, the use of fastening bolts for installation can further facilitate installation. A snap-in bottom plate is fixed on the side wall of the load-bearing rod. A resistance device is provided between the snap-in plate and the pedal. There is a strip groove, and the pedal is used to place the athlete's feet. When the athlete applies force, the pedal can be pushed to move. Blocking plates should be provided at both ends of the pedal to prevent the foot from slipping. There is a snap-in protrusion on the side wall of the A resistance cylinder is fixed, a resistance spring is provided in the resistance cylinder, a resistance rod is fixed at one end of the resistance spring, and one end of the resistance rod is fixed on the chute block. The bottom of the slider plate is provided with internal threaded holes for use with the clamping bolts. The resistance device can be freely filled between the clamping bottom plate and the pedal as required, thereby increasing the resistance of the pedal when moving. resistance, thereby increasing training intensity, while being very easy to assemble and use.

The technical effects and advantages of the present invention: when in use, the guide frame plays a guiding role, that is, the traction rope is guided from above to the athlete. When the athlete needs resistance in other directions, the direction adjustment device can adjust the direction of the traction rope. Adjustments are made. When leg training is required, the foot assembly can be used to perform leg training, and whether it is upper limb training or leg training, the training intensity can be adjusted according to needs. Specifically, the athlete holds the handle to operate and connects the equipment. One end of the weight moves up and down between the main guide wheels, and the other end is guided by the main guide wheels and adjusted by the secondary change of the direction adjustment device, and then is pulled by the athlete. The direction adjustment device can make the limiter The traction rope at the position changes direction. After changing the position of the moving ring, the position of the limiter moves accordingly, so the deflection direction of the traction rope follows the adjustment, and the limiter can rotate in the horizontal direction, and the limit pulley can cooperate with the assist The blocking wheel limits the position of the traction rope and fixes the resistance direction of the traction rope, thereby making it convenient for athletes to perform operational training. When it is necessary to jump to the height of the direction adjustment device, remove the adjustment bolt to adjust the height. After the adjustment is completed, re- Just put it back in place.

Multiple counterweight blocks can be placed in the placement tube. When the training weight needs to be adjusted, pull out the connecting pin, then insert the connecting pin into the counterweight block through the corresponding through hole according to training needs, and then pull the traction rope again. , the center column can lift the connecting pin and the counterweight block above it, thereby changing the counterweight.

During leg training, athletes step on the pedals with their feet, and then push the cover to move. The chain teeth under the cover can push the transmission chain to move. The transmission chain drives the auxiliary seat to rise, and the athlete's legs retract. After the force is exerted, under the action of the gravity center spring and the resistance device, the transmission chain reverses and the pedal assembly is reset. Then the athlete can perform the next round of pushing the pedal assembly to perform repeated training. The resistance device can be freely filled according to needs. It is installed between the snap-on base plate and the pedals to increase the resistance when the pedals move, thus increasing the training intensity. At the same time, it is very convenient to assemble and use.

Moreover, the present invention is easy to assemble. The counterweight block, placement tube, foot pedal assembly and resistance device are all easy to disassemble. Other components are integrated on the load-bearing rod and are also easy to change to a detachable mode. It is convenient to use and easy to erect.

Description of the drawings

Figure 1 is a schematic three-dimensional structural diagram of the present invention;

Figure 2 is a schematic structural diagram of the guide frame of the present invention;

Figure 3 is a schematic structural diagram of position A in Figure 2 of the present invention;

Figure 4 is a schematic cross-sectional structural diagram of the load-bearing rod of the present invention;

Figure 5 is a schematic structural diagram of the pedal member of the present invention;

Figure 6 is a schematic structural diagram of the passage opening of the present invention;

Figure 7 is a schematic structural diagram of the side gear of the present invention;

Figure 8 is a schematic structural diagram of the counterweight block of the present invention;

Figure 9 is a schematic structural diagram of the auxiliary rod of the present invention;

Figure 10 is a schematic structural diagram of the resistance device of the present invention;

In the picture: 1. Carrying rod; 101. Traction rope; 102. Supporting leg; 103. Passing hole; 104. Side gear; 105. Middle gear; 106. Transmission chain; 107. Center spring; 2. Guide frame; 201. Support plate; 202. Main guide wheel; 3. Counterweight mechanism; 301. Counterweight block; 302. Pull handle; 303. Center column; 304. Connecting pin rod; 305. Placement cylinder; 4. Directional adjustment device; 401. Moving ring; 402, limiter; 5, foot pedal assembly; 501, cover; 502, pedal piece; 503, slide rail piece; 504, clamping base plate; 505, resistance device; 6, auxiliary rod; 601, auxiliary seat.

Detailed ways

The technical solutions 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. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figure 1-10, a track and field physical training equipment that is easy to assemble, including a load-bearing rod 1. The load-bearing rod 1 serves as the main force-bearing component and is used to support related components and users. A guide is installed on the load-bearing rod 1. Frame 2, the guide frame 2 is used to provide tension guidance for the traction rope 101, so that the rear counterweight 301 can rise normally without being blocked after being pulled. The guide frame 2 is provided with a traction rope 101, and one end of the traction rope 101 is There is a counterweight mechanism 3. The counterweight mechanism 3 is used to provide appropriate gravity as a reverse resistance when the traction rope 101 moves. When the traction rope 101 is pulled, it can increase the difficulty of moving the traction rope 101. The load-bearing rod 1 is provided with a hollow The hollow cavity is used to accommodate the transmission chain 106, the middle gear 105, the side gear 104 and other components. The support legs 102 are fixed on the side walls of the load-bearing rod 1, and the support legs 102 are provided at both ends of the load-bearing rod 1. The support legs 102 located on one side of the auxiliary seat 601 should be higher than the other side to facilitate the athletes' use. The guide frame 2 is provided with a direction adjustment device 4. The direction adjustment device 4 can guide the traction rope 101 for a second time, so as to facilitate the athletes' use. When the training method needs to be changed, adaptive adjustments are made. After the adjustment, it is convenient for the athletes to pull the traction rope 101 from bottom to top or from back to front, thereby better meeting the training requirements of the athletes. The load-bearing rod 1 is slidably installed with Athletes can place their feet on the footrest assembly 5. The upper surface of the load-bearing rod 1 is provided with a top opening. The top opening is used for the structural parts on the footrest assembly 5 to extend to the inside. The load-bearing rod 1 is provided with a through passage. hole 103, the load-bearing rod 1 is provided with an auxiliary rod 6, one end of the auxiliary rod 6 passes through the through hole 103 and is clamped on the load-bearing rod 1, an auxiliary seat 601 is fixed on the auxiliary rod 6, and the auxiliary seat 601 can be used for athletes Sit on it to facilitate training operations. When the present invention is in use, athletes can choose to sit on the auxiliary seat 601 for training. The counterweight mechanism 3 is used to provide training resistance for the athletes. The traction rope 101 can be used to move the counterweight mechanism 3 Pull it up to train the upper limbs. When in use, the guide frame 2 plays a guiding role, that is, leading the traction rope 101 from above to the athlete. When the athlete needs resistance in other directions, the direction adjustment device 4 can guide the traction rope 101. The direction of the traction force of 101 is adjusted. When leg training is required, the foot assembly 5 can be used for leg training, and the training intensity can be adjusted according to needs whether it is upper limb training or leg training.

The guide frame 2 is a vertical rod whose bottom is fixed on the load-bearing rod 1. In order to allow the traction rope 101 above the counterweight block 301 to have a moving space, a support plate 201 is fixed at the top of the vertical rod, and there are support plates 201 on both sides of the vertical rod. Symmetrical traction rope 101 and counterweight mechanism 3, the bottom of the support plate 201 is rotated with a pulley frame, and the pulley frame can rotate in a horizontal manner. In the present invention, in order to be able to adjust the traction angle of the traction rope 101, the pulley frame rotates on The main guide wheel 202 is installed, and the traction rope 101 is wound around the main guide wheel 202 on one side. The traction rope 101 changes the movement trajectory at the main guide wheel 202 to facilitate the athlete to use it below. When in use, the athlete moves and pulls The main guide wheel 202 of the rope 101 can follow and slide to guide the traction rope 101. When the traction rope 101 deflects in the horizontal direction, the pulley frame can deflect to avoid large friction and damage to the traction rope 101.

The direction adjustment device 4 includes a moving ring 401 and a limiting member 402. The moving ring 401 is sleeved on the vertical rod. An extension plate is fixed on the side wall of the moving ring 401. The limiting member 402 is rotatably installed at the end of the extending plate. The limiting member 402 includes a limiting pulley, a mounting piece and an auxiliary gear wheel. The limiting pulley and the auxiliary gear wheel are both rotatably mounted on the side wall of the mounting piece. The mounting piece is rotatably mounted on the extension plate through a rotating shaft. The direction adjustment device 4 It is used to adjust the direction of the traction rope 101 for a second time. When there is no adjustment, the traction rope 101 can only move up and down. The direction adjustment device 4 can make the traction rope 101 bend twice at different heights, changing the direction of the traction rope 101. direction of resistance, and can increase the deflection of the traction rope 101 to both sides, thereby providing the traction rope 101 with a higher degree of freedom in pulling and making it more flexible to use. When in use, the direction adjustment device 4 can make the limiter 402 The traction rope 101 changes direction. After changing the position of the moving ring 401, the position of the limiter 402 moves accordingly. Therefore, the deflection direction of the traction rope 101 follows the adjustment, and the limiter 402 can rotate in the horizontal direction, limiting the position. The pulley can cooperate with the auxiliary blocking wheel to limit the position of the traction rope 101 and fix the resistance direction of the traction rope 101, thereby facilitating the athlete's operation training.

A side hole is provided on the side wall including the vertical rod, and an adjusting bolt is provided on the moving ring 401. The side hole is provided with an internal thread for use with the adjusting bolt. When it is necessary to jump to the height of the steering device 4, remove the adjusting bolt. Then you can adjust the height. After the adjustment is completed, just reinstall it accordingly.

The counterweight mechanism 3 includes a counterweight block 301 and a pull handle 302. The pull handle 302 is fixed on one end of the traction rope 101. One end of the traction rope 101 passes between the limiting pulley and the auxiliary pulley, and passes through the main guide wheel 202 and Between the pulley frames, one end of the traction rope 101 is connected to the counterweight 301. When in use, the athlete holds the pull handle 302 to operate, and connects one end of the counterweight 301 to move up and down between the main guide wheels 202. The other end is guided through the main guide wheel 202 and adjusted by the secondary change of the steering device 4, and then is pulled by the athlete.

In order to facilitate changing the pulling resistance of the traction rope 101 to meet the different needs of athletes, one end of the traction rope 101 is provided with a center column 303, and the center of the counterweight block 301 is provided with a center hole. The counterweight block 301 and the center column 303 The side walls are all provided with through holes of the same size, and a connecting pin rod 304 is provided in the through hole. The number and weight of the counterweight blocks 301 are configured according to the needs. In order to facilitate the storage of the counterweight blocks 301, and facilitate the transfer and adjustment, close The supporting legs 102 of the counterweight block 301 are provided with pin blocks, and a placement tube 305 is movably connected to the pin block. The counterweight block 301 is located in the placement tube 305, and a vertical gap is provided on one side of the placement tube 305. When in use, the placement tube 305 is placed. Multiple counterweight blocks 301 can be placed in the barrel 305. When the training weight needs to be adjusted, the connecting pin is pulled out, and then the connecting pin is inserted into the counterweight block 301 through the corresponding through hole according to the training needs, and then pulled again. When the rope 101 is connected, the central column 303 can lift the connecting pin and the counterweight block 301 above it, thereby changing the counterweight.

In order to increase the leg training of athletes, a transmission rod is installed between the inner walls of the load-bearing rod 1, and transmission rods are provided on both sides below the top opening. The transmission rod is provided with side gears 104 and a middle gear 105. The middle gear 105 Side gears 104 are provided on both sides of the side gear 104. A transmission chain 106 is provided on the side gear 104. Auxiliary teeth are provided on the side wall of the auxiliary rod 6. The auxiliary teeth mesh with the middle gear 105. The middle gear 105 is used for movement assistance. Rod 6, thereby changing the height of the auxiliary seat 601. A stopper is fixed at the bottom of the load-bearing rod 1. One end of the stopper extends to the bottom of the passage hole 103. A snap-in groove is provided on the auxiliary rod 6. When the auxiliary rod 6 passes through the passage After entering the mouth, the stopper can limit the downward movement of the auxiliary rod 6. When the transmission chain 106 moves, it can drive the side gear 104 meshed with it, thereby causing the middle gear 105 to rotate. Further rotation can drive the auxiliary rod 6 to move, because The auxiliary rod 6 is clamped in the through hole 103, so when the direction is correct, it can drive the auxiliary rod 6 to rise. Even if the auxiliary seat 601 rises, of course the athletes on the auxiliary seat 601 can provide rising resistance to the transmission chain 106.

In order to increase a certain training resistance when athletes train their legs, a fixed plate is fixed between the inner walls of the load-bearing rod 1, a center spring 107 is fixed on the side wall of the fixed plate, and a moving plate is fixed at one end of the center spring 107. The bottom is fixedly connected to the transmission chain 106. When in use, the athlete pushes the transmission chain 106 to move, and then can drive the moving plate to move, thereby stretching the center spring 107, providing resistance to the movement of the transmission chain 106, and at the same time pulling the transmission Chain 106 is reset.

The pedal assembly 5 includes a cover 501 and a pedal 502. The pedal 502 is fixed on the cover 501. Chain teeth are fixed on the bottom of the cover 501. Friction grooves are provided on the side walls of the pedal 502. There is a sliding track on the side wall of the sliding track. There is a slide rail member 503 slidably connected to the sliding track. The cover plate 501 is installed on the slide rail member 503 through fastening bolts. Installation using fastening bolts can further facilitate installation. The load-bearing rod A snap-in bottom plate 504 is fixed on the side wall of 1. A resistance device 505 is provided between the snap-in plate and the pedal 502. A strip groove is provided on the snap-in bottom plate 504. The pedal 502 is used to place the athlete's feet. When applying force, the pedal 502 can be pushed to move. The two ends of the pedal 502 should be provided with blocking plates to prevent the feet from sliding outwards. The side walls of the pedal 502 are provided with snap-on convex strips. The resistance device 505 includes a clamp-able The chute block is connected to the snap-on convex strip, and the slider plate can be clamped in the strip groove. A resistance cylinder is fixed on the slider plate. A resistance spring is provided in the resistance cylinder. One end of the resistance spring is fixed with resistance. Rod, one end of the resistance rod is fixed on the chute block, the snap-in bottom plate 504 is rotationally installed with snap-in bolts, the bottom of the slider plate is provided with internal threaded holes for use with the snap-in bolts, the resistance device 505 can be freely filled according to needs It is installed between the clamping base plate 504 and the pedal part 502, thereby increasing the resistance when the pedal part 502 moves, thereby improving the training intensity. At the same time, it is very convenient to assemble and use. During use, the athlete steps on the pedal part 502 with his feet, and then Pushing the cover 501 to move, the chain teeth below the cover 501 can push the transmission chain 106 to move. The transmission chain 106 drives the auxiliary seat 601 to rise. After the athlete's legs retract, under the gravity center spring 107 and the resistance device 505 Under the action, the transmission chain 106 reverses and the pedal assembly 5 is reset, and then the athlete can perform the next round of pushing the pedal assembly 5, thereby performing repeated training.

When in use, the athlete can choose to sit on the auxiliary seat 601 for training. The counterweight mechanism 3 is used to provide training resistance for the athlete. The traction rope 101 can be used to pull up the counterweight mechanism 3 to perform training of the upper limbs. When the athlete needs resistance in other directions, the direction adjustment device 4 can adjust the direction of the traction force of the traction rope 101, and the leg movement is required. During upper limb training, the foot assembly 5 can be used to perform leg training, and the training intensity can be adjusted according to needs whether it is upper limb training or leg training.

When in use, the athlete holds the pull handle 302 to operate, and one end of the connecting weight 301 moves up and down between the main guide wheels 202, and the other end is guided through the main guide wheels 202, and the two ends of the steering device 4 The direction adjustment device 4 can change the direction of the traction rope 101 at the limiter 402. After changing the position of the moving ring 401, the position of the limiter 402 follows the movement, so the traction rope The deflection direction of 101 is adjusted accordingly, and the limiter 402 can rotate in the horizontal direction. The limit pulley can cooperate with the auxiliary stop wheel to limit the position of the traction rope 101 and fix the resistance direction of the traction rope 101, thereby facilitating the athlete's operation training. When it is necessary to jump to the height of the direction adjusting device 4, remove the adjusting bolt to adjust the height. After the adjustment is completed, reinstall it correspondingly.

During use, multiple counterweight blocks 301 can be placed in the placement tube 305. When the training weight needs to be adjusted, the connecting pin is pulled out, and then the connecting pin is inserted into the counterweight block 301 through the corresponding through hole according to training needs. Then when the traction rope 101 is pulled again, the center column 303 can lift the connecting pin and the counterweight block 301 above it, thereby changing the counterweight.

When performing leg training, the athlete steps on the pedal 502 with his feet, and then pushes the cover 501 to move. The chain teeth below the cover 501 can push the transmission chain 106 to move, and the transmission chain 106 drives the auxiliary seat 601 Ascending, after the athlete's legs retract, under the action of the gravity center spring 107 and the resistance device 505, the transmission chain 106 reverses, the foot pedal assembly 5 resets, and then the athlete can perform the next round of pushing the foot pedal assembly 5, thereby For repeated training, the resistance device 505 can be freely filled between the clamping bottom plate 504 and the pedal part 502 as needed, thereby increasing the resistance when the pedal part 502 moves, thereby increasing the training intensity, and it is very convenient to assemble and use.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be regarded as illustrative and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the claims All changes within the meaning and scope of equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

In addition, it should be understood that although this specification is described in terms of implementations, not each implementation only contains an independent technical solution. This description of the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole. , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. Track and field physical training apparatus convenient to equipment, including carrier bar (1), install leading truck (2) on carrier bar (1), leading truck (2) are equipped with haulage rope (101), the one end of haulage rope (101) is equipped with counter weight mechanism (3), be equipped with cavity in carrier bar (1), be fixed with supporting leg (102) on the lateral wall of carrier bar (1), its characterized in that: be equipped with on leading truck (2) and adjust to device (4), slidable mounting has pedal subassembly (5) on carrier bar (1), the upper surface of carrier bar (1) is equipped with the roof opening, set up on carrier bar (1) and walk hole (103), be equipped with auxiliary rod (6) on carrier bar (1), one end on auxiliary rod (6) is passed walk hole (103) card and establish on carrier bar (1), be fixed with auxiliary seat (601) on auxiliary rod (6).

2. An athletic physical training apparatus for facilitating assembly as defined in claim 1, wherein: the guide frame (2) is a vertical rod with the bottom fixed on the bearing rod (1), a support plate (201) is fixed at the top end of the vertical rod, a pulley frame is rotatably mounted at the bottom of the support plate (201), and a main guide wheel (202) is rotatably mounted on the pulley frame.

3. An athletic physical training apparatus for facilitating assembly as defined in claim 2, wherein: the direction adjusting device (4) comprises a moving ring (401) and a limiting piece (402), the moving ring (401) is sleeved on the vertical rod, an extending plate is fixed on the side wall of the moving ring (401), and the limiting piece (402) is rotatably installed at the end of the extending plate.

4. An athletic physical training apparatus for facilitating assembly as defined in claim 3, wherein: the side wall of the vertical rod is provided with a side hole, the movable ring (401) is provided with an adjusting bolt, and the side hole is internally provided with an internal thread matched with the adjusting bolt.

5. The track and field physical training apparatus of claim 4 wherein said apparatus comprises: the counterweight mechanism (3) comprises a counterweight (301) and a pull handle (302), the pull handle (302) is fixed at one end of the traction rope (101), one end of the traction rope (101) passes through the space-limiting pulley and the auxiliary pulley, and passes through the main guide wheel (202) and the pulley frame, and one end of the traction rope (101) is connected with the counterweight (301).

6. The track and field physical training apparatus of claim 5 wherein said apparatus comprises: one end of the hauling rope (101) is provided with a central column (303), the center of the balancing weight (301) is provided with a central hole, the side walls of the balancing weight (301) and the central column (303) are provided with through holes with the same size, and connecting pin rods (304) are arranged in the through holes in a penetrating mode.

7. The track and field physical training apparatus of claim 6 wherein said apparatus is convenient to assemble and characterized by: be close to balancing weight (301) be equipped with the round pin piece on supporting leg (102), movable joint has a section of thick bamboo (305) of placing on the round pin piece, balancing weight (301) are located place section of thick bamboo (305), vertical notch has been seted up to one side of placing section of thick bamboo (305).

8. An athletic physical training apparatus for facilitating assembly as defined in claim 1, wherein: install the transfer line between the inner wall of carrier bar (1), the both sides of roof opening below all are equipped with the transfer line, be equipped with side gear (104) and well gear (105) on the transfer line, the both sides of well gear (105) all are equipped with side gear (104), be equipped with drive chain (106) on side gear (104), be equipped with auxiliary tooth on the lateral wall of auxiliary rod (6), auxiliary tooth with well gear (105) mesh mutually.

9. The track and field physical training apparatus of claim 8 wherein said apparatus is assembled and characterized by: a fixed plate is fixed between the inner walls of the bearing rods (1), a central spring (107) is fixed on the side wall of the fixed plate, a movable plate is fixed at one end of the central spring (107), and the bottom of the movable plate is fixedly connected with the transmission chain (106).

10. An athletic physical training apparatus for facilitating assembly as defined in claim 1, wherein: pedal subassembly (5) are including apron (501) and pedal piece (502), pedal piece (502) are fixed on apron (501), the bottom of apron (501) is fixed with the chain tooth, be equipped with friction groove on the lateral wall of pedal piece (502), be equipped with the slip track on the lateral wall of carrier, slip joint has slide rail piece (503) on the slip track, apron (501) are installed through fastening bolt on slide rail piece (503), be fixed with joint bottom plate (504) on the lateral wall of carrier bar (1), the joint board with be equipped with resistance device (505) between pedal piece (502).