Truss type sludge suction device

The utility model provides a joist barrow type sludge suction device which comprises a main body frame, the sludge suction device is provided with a sludge suction port, and the sludge suction device is arranged below the main body frame and is used for sucking sludge in the sludge tank; the sludge suction pipe is arranged between the main body frame and the sludge suction device, the sludge suction device is connected with the main body frame through the sludge suction pipe, the sludge suction opening is communicated with the sludge suction pipe, the sludge suction pipe is a telescopic sleeve, and the distance between the sludge suction device and the main body frame is adjusted through stretching and retracting of the sludge suction pipe under the action of force. According to the joist barrow type sludge suction device, the sludge suction pipe is arranged to be the telescopic sleeve, so that the length of the sludge suction pipe can be adjusted, and the distance between the sludge suction device and the ma