The cleaning and suction truck, also known as the joint dredging truck, is a new type of specialized sanitation vehicle that combines the functions of a high-pressure cleaning truck and a suction truck. The highlight of this vehicle is its ability to clear blocked areas in the sewer that cannot be reached by human labor, hence it is called the joint dredging truck. The other functions of the car include floor flushing, sewage suction and discharge, and landscaping. Suction part: 1. Function: The dedicated part of the sewage suction truck consists of a power take-off, a transmission shaft, a vacuum sewage pump, a pressure tank body, a hydraulic part, a pipe network system, a vacuum pressure gauge, a fecal observation window, a hand washing device, etc. It is equipped with a high-power vacuum sewage pump and a high-quality hydraulic system. The tank head is formed by one-time die-casting, the tank body can be opened backwards, and the double top is self dumping. The dirt inside the tank…