Track and field training device
A training device and track and field technology, applied in the field of sports, can solve problems such as extremely high requirements, delay in athlete training, and unsatisfactory use environment, and achieve the effect of avoiding injury and tearing
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Embodiment 1
[0047] Example 1: Please refer to Figure 1-6 , a track and field training device, comprising a main board 1, the shape of the main board 1 is a rectangular body, the two sides of the front side and the rear side of the main board 1 are fixedly connected with a connecting shaft 2, and the connecting shaft 2 is T-shaped and has a round cross section The outer walls of both ends of the connecting shaft 2 are fixedly equipped with rotating bearings, and the outer rings of the rotating bearings are fixedly connected with swivels 3, and the four swivels 3 are all meshed with the inner ring of a conveyor belt 8, and the two rotating rings on the connecting shaft 2 The opposite side of the ring 3 is fixedly connected with the connecting rod 4, and the end of the connecting rod 4 far away from the swivel ring 3 is fixedly connected with the turntable 5, and the rear of the main board 1 is fixedly equipped with a rotating motor 6, the transmission shaft of the rotating motor 6 and the r...
Embodiment 2
[0050] Embodiment 2: On the basis of Embodiment 1, please refer to Figure 7 The top surface of the main board 1 is fixedly connected with airbags 18 at equal intervals. The airbag 18 is a hollow cylindrical body. The inside of the airbag 18 is fixedly connected with a return spring A19. When the airbag 18 and the return spring A19 are under pressure, they will be deformed Absorb part of the pressure to achieve the effect of shock absorption. After the pressure disappears, it can be quickly reset by the resilience of the air bag 18 and the return spring A19. Through the setting of the air bag 18 and the return spring A19, the deformation ability of the air bag 18 and the return spring A19 can Absorb the pressure, thereby reducing the vibration of the conveyor belt 8 when the user is running to ensure stability, and the conveyor belt 8 is limited by the return spring A19 to protect the conveyor belt 8, avoiding the problem of tearing the conveyor belt 8 due to excessive force. ...
Embodiment 3
[0051] Embodiment 3: On the basis of Embodiment 1, please refer to Figure 8 , the upper and lower sides of the mounting plate A15 corresponding to the mounting plate B16 are provided with chute 20, the laser transmitter 17 is socketed in the chute 20, and the inner wall of the two chute 20 close to each other is fixedly connected with an electric push rod 21 , the electric push rod 21 is electrically connected with the electrical cabinet 10, the transmission shaft of the electric push rod 21 is fixedly connected with the chute 20, the expansion and contraction of the transmission shaft of the electric push rod 21 is controlled by the electric cabinet 10, and the expansion and contraction of the transmission shaft of the electric push rod 21 will drive the laser The transmitter 17 slides in the chute 20 to change the position where the laser beam is generated when the laser transmitter 17 is energized, thereby changing the range of hurdles according to the needs of users. As u...
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