Tennis training ball serving device

Abstract

The invention discloses a tennis training serving device which comprises a base, a middle plate rotating shaft is in the middle of the base, a first crankshaft hole is at the back side of the middle plate rotating shaft, a first eccentric shaft is at the upper part of a first crankshaft, a first rotating shaft is at the lower part of the first crankshaft, a bottom plate rotating hole is at the lower part of a middle plate, a first connecting rod shaft is at the back side of the bottom plate rotating hole, and a second crankshaft frame is at the upper part of the middle plate; the second crankshaft frame is provided with a second crankshaft hole, the front portion of the second crankshaft frame is provided with an upper plate frame, the upper portion of the upper plate frame is provided with an upper plate hole, a bottom plate rotating hole is rotationally connected with the middle plate rotating shaft, the bottom plate rotating hole rotates around the middle plate rotating shaft, the lower portion of the first rotating shaft is rotationally connected with the first crankshaft hole, and the first rotating shaft rotates in the first crankshaft hole. A second gear is fixedly connected to the upper part of the first rotating shaft, the first motor is fixedly connected with the base, an output shaft of the base is fixedly connected with a first gear, the first gear and the second gear are meshed with each other, and the rear side of a first connecting rod is rotationally connected with the first eccentric shaft.

Description

technical field [0001] The invention relates to the field of sports equipment, in particular to a ball training device for tennis. Background technique [0002] In the tennis training process, two people are required to carry out the training at the same time, and one person cannot complete the training, which is often restricted, and is limited by the physical strength and ability of the server, so a satisfactory training effect cannot be achieved. There is a lack of a training device that can simulate the player's serve. Contents of the invention [0003] The present invention aims at the above-mentioned deficiencies in the prior art, and provides a fully automatic, all-round and full-coverage tennis training and serving device for simulating players. [0004] The purpose of the present invention is to realize through the following technical solutions: [0005] A ball training device for tennis, including base, No. 1 motor, No. 1 crankshaft, No. 1 connecting rod, middle...

AI Technical Summary

Problems solved by technology

[0002] In the process of tennis training, two people are needed at the same time, and one person cannot complete the training, which is often restricted, and is limited by the physical strength and ability of the server, and cannot achieve satisfactory training results. There is a lack of a training device that can simulate a player's serve

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