What Are The Requirements For The Protective Equipment Of The Coupling After Installation?

The protective device of the coupling is usually prepared by the buyer. Therefore, this part of the content does not belong to the requirements of the coupling. The buyer or contractor shall indicate the type of protective device required. In addition, purchase goods are produced. Each coupling should have a protective device to close the coupling and shaft to prevent people or objects from entering the dangerous area when the unit is running. The protective device should be easy to disassemble, so that when the coupling is overhauled and maintained, it will not affect the connected machine. The structure of the protective device must have sufficient rigidity. When subjected to a static load of 900 N, its deflection shall not exceed 0.0005 times the unsupported length of the protective device. The protective device of the coupling that needs to be lubricated should be sealed.

When needed, the protective device should be equipped with anti-dynamic baffle to reduce the influence of gas or oil. Flange-connected cylindrical housing guards are usually used for medium and high-speed gear couplings and diaphragm couplings. The structural cylindrical shape of the protective device is split in the axial direction, and the protective device is connected to the corresponding equipment in the unit by flanges at both ends. One end of the protective device should have an expansion joint, and an O-ring is installed at the expansion joint. If the coupling is working under corrosive conditions and needs protection, the protective device must be equipped with a pipe joint to connect dry air or inert gas. Protective device for continuous lubrication of the controller. Each fuel injection nozzle must be screwed onto the protective device in an appropriate direction so that the oil is sprayed in the direction of rotation. If the unit has forward and reverse running, oil is injected in the axial direction. The oil nozzle or oil pipe is not allowed to rub against the coupling to ensure the safety in use.

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