The hole sealing equipment consists of three different types of machinery: the hole opener, the sealing device, and the lower sealing device. They share a common frame, which is composed of components such as the sector gate valve, upper and lower connectors, left and right positioning fixtures, temporary bypass ports, vent valves, and pressure gauges. The frame serves as a support for the hole opener, sealing device, and lower sealing device, and utilizes its left and right fixing devices to connect and securely clamp the running PE pipeline. The lower connector is connected and sealed to the PE piping components; the upper connector connects and seals separately to the hole opener, sealing device, and lower sealing device; the sector gate valve is an essential device for opening and closing during the equipment spring replacement process in the hole sealing operation. The frame material is made of aluminum alloy, treated with anodizing, featuring high surface hardness, corrosion resistance, wear resistance, and light weight.