Sandpit automatic levelling device with distance measurement function and used for long jump of physical education

Abstract

The invention relates to the technical field of sport equipment, and in particular relates to a sandpit automatic levelling device with a distance measurement function and used for long jump of physical education. The device comprises a sand storage tank, a support frame is arranged on the outer side of the sand storage tank, a height adjusting mechanism is arranged on two sides of the support frame and the sand storage tank, walking wheels are fixedly arranged at four corners of the bottom of the support frame, guide rails matched with the walking wheels are further arranged on two sides of the sand storage tank, scraping plates are fixedly arranged on two sides of a sand filling hole, a first feeding screw rod is arranged on each scraping plate, a collecting groove is arranged at one endof each first feeding screw rod, a feeding mechanism is arranged on the top of each collecting groove in a penetrating manner, one end of each feeding mechanism extends into the stand storage tank, aplurality of displacement sensors are arranged in the direction, facing towards the long-jump starting point, of the sand storage tank, and a detecting device is fixedly arranged on one side of the support frame. With the device, the rapid filling of the sandpit can be realized, the leveling efficiency of the surface of the sandpit is improved, the fine sand supplementing function is available, meanwhile, the device has the automatic detection function, so that the measurement precision is improved, and the fairness of the match is guaranteed.

Description

technical field [0001] The invention relates to the technical field of sports equipment, in particular to an automatic bunker smoothing device for sports long jump with a distance measuring function. Background technique [0002] The long jump is a track and field jumping event, and it is also one of the most common sports. The athletes in the long jump training competition are all completed in the sand pit on the ground. Fine sand is placed in the sand pit. The setting of the sand pit is convenient for the competition on the one hand. The measurement of the result, on the other hand, can effectively protect the athlete, and jumping in the bunker will not cause any injury to the athlete. [0003] However, athletes will leave pit marks in the bunker every time they jump, so it is necessary to repeatedly level the fine sand. Manual leveling is time-consuming and laborious, and the flatness is low, which will affect the next long jump record. The fine sand in the bunker will b...

AI Technical Summary

Problems solved by technology

[0003] However, athletes will leave pit marks in the bunker every time they jump, so it is necessary to repeatedly level the fine sand. Manual leveling is time-consuming and laborious, and the flatness is low, which will affect the next long jump record. The fine sand in the bunker will be taken out by the athletes, and the fine sand in the bunker will not be replenished in time, which will reduce the thickness of the fine sand inside the bunker, and will also cause errors in the actual long jump. In addition, each long jump measurement is done manually. Large errors lead to errors in athletes' long jump results and unfairness in the competition

[0004] Existing patents, such as a reciprocating sports competition long jump bunker troweling machine announced by Chinese patent CN201721401795.2, by setting electric push rods, connecting blocks, U-shaped plates, rotating rods, runners and slide rails, the controller Control the movement of the electric push rod, and the connecting block moves up and down, and the runner on the U-shaped plate can move on the slide rail, so that when the connecting block moves, that is, the threaded rod moves down, it is smoothed. This design is only Simply level the surface of the bunker, but it cannot be quickly leveled when encountering a large pit, and there is no pit filling equipment, so it is difficult to make effective adjustments. After leveling, small pits will be left, which will affect the next long jump measurement

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