Pile driver with automatic tubular pile locking function

The utility model belongs to the field of drilling machine equipment, and particularly relates to a pile driver with an automatic tubular pile locking function, which comprises a machine body provided with a diesel engine, a crawler belt arranged below the machine body, a pile frame arranged at one end of the machine body, and a flange plate arranged on the pile frame and used for being fixedly connected with a ground pile. A driving motor and a speed reducer are mounted above the flange plate, and the device is characterized in that the flange plate comprises an end cover, a turntable and a transmission box which are sequentially arranged from bottom to top. According to the utility model, the flange plate is improved, and the straight gear rotates relatively under the condition that the brake device brakes the turntable, so that the telescopic claw is retracted and the ground pile is held tightly, and the flange plate can be used for quickly fixing the ground pile. 本实用新型属于钻机设备领域，尤其涉及一种具有自动锁紧管桩功能的打桩机，包括安装有柴油