A training device for judging tennis out-of-bounds training

Abstract

The invention belongs to the technical field of sports equipment, and in particular relates to a training device for judging that a tennis ball is out of bounds. The training device includes a transparent rubber pad and a launching trolley. The barrel includes a straight barrel, a pressurized barrel and a ball throwing barrel. The end of the pitching barrel is connected with a nut through a thread. The pressurized barrel and the straight barrel pass through a spherical transition. There is a rubber ball inside the straight barrel; The launch tube is installed in the magnetic bowl through the ball head at the bottom, the magnetic bowl is connected to the support seat, and the support seat is fixed on the bottom plate; the air intake pipe is connected to the air outlet pipe of the air compressor pump through a high-pressure hose, and the air compressor pump is installed on the bottom plate Above; L-shaped sponge pad is pasted on the transparent rubber pad, the L-shaped sponge pad is soaked with printing oil, and the transparent rubber pad is pasted on the bottom corner of the tennis court. Outer borders coincide.

Description

Technical field: [0001] The invention belongs to the technical field of sports equipment, and in particular relates to a training device for judging tennis out-of-bounds training. Background technique: [0002] Tennis is a very entertaining sport, and the level of various tennis events in the world is extremely high. With the development of high technology, many new technologies have also been applied to tennis games, such as the eagle eye technology used to judge whether the tennis ball is out of bounds. The eagle eye technology can reduce the misjudgment of the referee during the game, especially the penalty of the key ball. According to the rules of the game, if you fail to challenge Hawkeye, you will lose a chance to use Hawkeye technology, which is very important for key ball handling in key games, and you may lose the entire game because you have no chance to challenge Hawkeye. In addition, in a tennis match, it is also very important for athletes to accurately judge ...

AI Technical Summary

Problems solved by technology

At present, in the training of athletes on the ball out of bounds from the bottom line, the training is mainly carried out by accomplices or coaches. It is also impossible to clearly observe and judge the out-of-bounds situation of the training ball, which greatly affects the training quality of the out-of-bounds ball

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