Tennis ball serving device for physical training

Abstract

The invention discloses a tennis ball serving device for physical training and belongs to tennis ball serving devices, The device comprises a base, a power box is mounted on the upper surface of the base; a box body is fixed on the upper surface of the base; a ball serving opening is formed in one side wall of the box body; a discharging hopper is fixed to the top wall of the box body through a first supporting rod. The bottom of the discharging hopper is connected with a first discharging pipe. The bottom end of the first discharging pipe extends into the box body; a support is mounted at thetop of the inner wall of one side of the box; a hydraulic cylinder is installed above the side wall of the support, a baffle is fixed to a piston rod of the hydraulic cylinder, a second discharging pipe is fixed to the lower portion of the side wall of the support through a second supporting rod, a longitudinal angle adjusting device is arranged on the bottom wall of the box body and comprises abottom plate, and a first sliding groove is formed in one side of the upper surface of the bottom plate. The tennis ball serving device is novel in design, reasonable in structure, capable of conveniently serving balls, capable of randomly adjusting various angles of ball serving, high in applicability, convenient to use for teaching and worthy of popularization.

Description

Technical field [0001] The invention belongs to the technical field of tennis serving devices, and in particular relates to a tennis serving device for sports training. Background technique [0002] Tennis has become one of the most popular sports. With the popularization and development of tennis, there are more and more people playing tennis. The amount of tennis playing is very large. It takes a lot of physical energy to serve, receive and pick up the ball. It is very inconvenient when you want to entertain and train alone. At present, although there are ball machines dedicated to tennis training on the market, most of this type of equipment is more expensive, has a higher failure rate, and is more complicated to operate. It is not suitable for large-scale and large-scale teaching use in colleges and universities. The usual serving trainer uses manual methods, which waste manpower. Summary of the invention [0003] The purpose of the present invention is to provide a tennis b...

AI Technical Summary

Problems solved by technology

With the popularization and development of tennis, more and more people play tennis. Playing tennis requires a lot of exercise. Serving, catching and picking up the ball requires a lot of physical strength. It is very inconvenient when you want to entertain and train alone. At present, although there are ball machines dedicated to tennis training on the market, most of this type of equipment is relatively expensive, has a high failure rate, and is relatively complicated to operate. It is not suitable for large-scale and large-scale teaching in colleges and universities. Usual serve trainers are all manual, which wastes manpower

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