Quickly connect bucket, ripper, breaker, and other working equipment to complete switching of different working devices, effectively improving work efficiency. Electronic drive system replaces more expensive oil pressure and controls connector through switches, which is convenient and fast. Each oil cylinder is equipped with a safety check valve to ensure normal operation even if oil line and circuit are cut off. Applicable working conditions Suitable for engineering operations where working equipment such as buckets, ripper, breaker, tampers, etc. are frequently replaced.