Swing oil cylinder

The utility model discloses a swing oil cylinder, and belongs to the technical field of swing cylinders. The device comprises a swing cylinder body, a gear and a rack are arranged in the swing cylinder body, one end of the gear is connected with an output shaft, a position feedback device is arranged at the top of the swing cylinder body and comprises an encoder, a coupler assembly is arranged in the middle of the encoder in a penetrating mode, and a pointer is arranged at the top of the coupler assembly. According to the position feedback device, the position of the output shaft of the oscillating cylinder is fed back in real time through the encoder and the display pointer, and then high-precision control is achieved. The position feedback device and the swing cylinder are designed into an integrated structure, the structure is compact, and operation is reliable. 本实用新型公开了一种摆动油缸，属于摆动缸技术领域。该装置包括摆动缸体，摆动缸体内设置有齿轮、齿条，齿轮一端连接有输出轴，摆动缸体顶部设置有位置反馈装置，位置反馈装置包括编码器，编码器中部贯穿设置有联轴器组件，联轴器组件顶部设置有指针，本实用新型位置反馈装置是通过编码器与显示指针来实现对摆动缸