The assembly welding of spring hangers is very important,
which directly affects its use function. The welding work of spring hangers is mainly composed of several parts, using cylinder, upper cover plate, plate, middle instrument panel, and attention should be paid to the size of blanking, in order to avoid the gap being too large during welding installation, resulting in welding molten iron bottom, stratum porosity, welding structure and appearance. The parts are ready, in a formal welding, to ensure the cleanliness of the working environment, the welding materials (welding wire and welding rod) used, the welding pipe needs to be the same material, in order to avoid mistakes, different materials cannot be welded, the spring hanger parts are kept vertical during welding, there may be no bending, the spring hanger is a vertical up and down mechanical mechanism. The operator is in the welding position to maintain an average speed, so that the welding structure is stable and beautiful, and the workload of the subsequent honing staff is reduced.
After the spring hanger is installed, the spring is basically in a vertical direction.
During the process of module construction, some spring hangers need to be installed by the module manufacturer. For some modules, the assembly may need to be reversed or inverted. In this case, it is necessary to consider installing a temporary hanger to support the pipe in the position of the spring hanger. If conditions permit, place the temporary hanger as close to the spring hanger as possible and reserve space for the installation of the spring support. Setting and adjustment of spring hangers.
Generally speaking, spring hangers are locked in the installed position. When the spring hanger support pendant is installed in the module manufacturer, the spring hanger should be kept in a locked state. After the installation and installation of the piping system are completed, the locking device on the spring hanger can be removed. When the design balance is reached, the locking device of the spring hanger can be easily removed. However, the actual working load of the pipeline is different from the theoretical value of the design, resulting in the locking of the spring hanger cannot be easily eliminated. When the locking pin is stuck, the forced locking device is not allowed to be forcibly removed. Instead, it is necessary to perform a cold adjustment. The locking device can be easily removed by adjusting the connecting rod of the spring hanger and the spring hanger to provide appropriate displacement. The adjustment of the spring hanger may cause another pressure, so this adjustment may need to be repeated. In order to be able to confirm the balance, the locking device of the spring hanger can be moved from one end of the pipeline to the other end when all the lock pins are not under pressure.
