A tennis teaching device and a tennis teaching and training method
A teaching device and tennis technology, applied in the field of tennis, can solve the problems of inconvenient replacement of parts, damage to tennis training devices, and inability of tennis trainers to play, and achieve the effects of improving training, improving air tightness, and facilitating reaction ability.
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Embodiment 1
[0034] see Figure 1-Figure 7 , the present invention provides a tennis teaching device, comprising a first support plate 1, a second support plate 5 is arranged above the first support plate 1, the top surface of the first support plate 1 and the bottom surface of the second support plate 5 are provided with There is a chute 2, the inside of the two chute 2 is slidably connected with a slider 4, and a casing 7 is arranged between the two sliders 4, and the two sliders 4 are welded and fixed with the casing 7, and the front surface of the casing 7 is opened There are three installation holes 6, and the inside of the three installation holes 6 are fixedly installed with a first ball outlet pipe 19, a second ball outlet pipe 20 and a third ball outlet pipe 22, and the inside of the shell 7 is provided with a cavity, and the inner wall of the shell 7 The bottom end is welded with an air pump 11, and the top of the air pump 11 is provided with a goal tube 12, which runs through th...
Embodiment 2
[0038] The rear end of the first support plate 1 is welded with a first mounting plate 8, and the middle part of the top surface of the first mounting plate 8 is welded with a second mounting plate 41 arranged vertically, and the rear of the second mounting plate 41 is welded with a block 30, and The rear of the block 30 is provided with a third mounting plate 28, and the bottom surface of the third mounting plate 28 is provided with a draw-in groove 29, and the draw-in groove 29 and the block 30 are engaged and connected to each other, and the top surface of the third mounting plate 28 is fixedly installed with a first Motor 27, the output end of the first motor 27 is connected with the first rotating rod 26 in rotation, and the other end of the first rotating rod 26 is connected with the second rotating rod 25 in rotation, and the middle part of the second rotating rod 25 offers a limit groove, the second The top of the mounting plate 41 is welded with a fixed pin 24, the fix...
Embodiment 3
[0041] The right end face of the first support plate 1 is welded with the first horizontal plate 10, the top surface middle part of the first horizontal plate 10 is welded with the fixed rod 9, the top of the fixed rod 9 is welded with the second horizontal plate 33, the second horizontal plate 33 The middle part of the top surface is fixedly equipped with a second motor 34, the output end of the second motor 34 is rotatably connected with a first movable plate 35, the top of the first movable plate 35 is rotatably connected with a second movable plate 36, and the right end of the second support plate 5 A second support rod 37 is welded on the surface, and the second support rod 37 runs through the upper end of the second movable plate 36 .
[0042] In the present embodiment, the operation of the second motor 34 drives the second movable plate 36 to move, and the second movable plate 36 drives the second support rod 37 and the second support plate 5 to move longitudinally. 5 p...
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