What matters should be paid attention to when inspecting the diaphragm coupling?

　　Diaphragm couplings are mainly used to connect coaxial lines or two parallel shafts to transmit torque.In order for it to work properly, we need to check its input daily. What matters should be paid attention to during the inspection? Let's follow the coupling editor to understand:

　　(1) The basic requirements for the inspection of the diaphragm coupling: the connection of the coupling must be firm, the connecting bolts and connecting keys are not allowed to loosen, the radial and end face beating of the rotating coupling should not be observed during visual observation. There is an obvious feeling, which cannot be exceeded when measuring with a meter.

　　(2) Inspection of the gear coupling: When the gear coupling has increased transmission noise or the equipment is overhauled, it should be disassembled and inspected, and the following items should be checked:

　　① When the diaphragm coupling bolt hole is severely worn, the mechanism will jump and even cut off the bolt. Therefore, the bolt hole should be scrapped if it is severely worn and unable to be used.

　　② If the tooth thickness wear exceeds 15%-20% of the original tooth thickness, it should be scrapped.Lifting mechanism and unbalanced luffing mechanism are 15%, and other mechanisms are 20%.

　　③After the flat keyway is worn out, the key is easy to loosen or even fall off.You can reopen a new keyway at the position where the original keyway on the shaft has been rotated 90° or 180°, or add a pad that does not exceed 15% of the pad thickness on the key.Repair welding of the keyway is not allowed, and repairing of the keyway of the lifting mechanism is not allowed.

　　④ If any part of the coupling has cracks, it should be scrapped, and if there are broken teeth, it should be scrapped.

　　(3) Inspection of diaphragm coupling: When the elastic pin coupling rubber ring or cowhide pad is damaged, it should be replaced in time. If the pin and hole are squeezed to cause vibration, the half body should be rotated by an angle and re-drilled. The hole is replaced with a new standard pin, and the original hole is not allowed to be enlarged and replaced with a new pin.

　　(4) Whether the coupling oil seal with lubrication device is intact, whether the lubricating oil is deteriorated, whether there is oil leakage or not.If the above problems occur, the seal or lubricating oil should be replaced, and the lubricating oil should be refilled in time when it is lacking.