Length-adjustable pile foundation concrete pouring tool

The utility model relates to the technical field of concrete pouring tools, and discloses a length-adjustable pile foundation concrete pouring tool which comprises a mounting plate and a lifting lug, the outer side of the upper surface of the mounting plate is fixedly connected with the lifting lug, and the inner side of the upper surface of the mounting plate is fixedly connected with a first base. A hopper feeding port is fixedly connected to the top end of the first base, a limiting hole is formed in the inner wall of the mounting plate, a fixing shaft is fixedly inserted into the inner wall of the mounting plate, and the outer surface of the fixing shaft is movably sleeved with a support. According to the length-adjustable pile foundation concrete pouring tool, through mutual cooperation of the four sets of second bases and fixing pins, the contact face between the device and the ground is increased, the connecting points between the device and the ground are increased, the fixing effect of the device in