02-05-2023 дата публикации
Номер: CN116036562A
Принадлежит:
The invention provides a tennis ball serving device which comprises a movable seat shell, a movable rotating mechanism is arranged in the movable seat shell, a mounting seat is fixedly connected to the edge side of the top of the movable seat shell, a protective shell is arranged on one side of the top of the mounting seat, and a control mechanism is arranged in the protective shell. Two electric telescopic rods are arranged at the top of the moving seat shell, the telescopic ends of the two electric telescopic rods are fixedly connected with a fixing seat, and a fixing frame is fixedly connected to the top end of the fixing seat. Under retraction of the elastic rubber stretching belt, a push rod is made to eject a tennis ball on a ball outlet frame to be launched, and therefore training and practicing are conducted; tennis balls are stored through the ball storage shell, the discharging rolling wheel and the rubber rolling column are driven by rotation of the motor, the tennis balls are ...
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