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Coupling guard

Publisher: Ever-Power Mechanical Equipment
2014-06-24

 one,CouplingThe protective device is usually provided by the buyer.Therefore, this part of the content does not belong to the requirements of the coupling.

XNUMX. Basic requirements
1.The buyer or contractor shall specify the type of protective device required.
2.Each coupling should have a protective device to close the coupling and the shaft to prevent people or objects from entering this dangerous area when the unit is running.
3.The protective device should be easy to disassemble, so that the connected machine will not be affected when the coupling is overhauled and maintained.
4.The structure of the protective device must have sufficient rigidity. When bearing a static load of 900N, its deflection shall not exceed 0.0005 times the unsupported length of the protective device.
5.The protective device of the coupling that needs lubrication should be sealed.
6.When necessary, the protective device should be equipped with anti-turbulence baffle to reduce the influence of gas or oil whirlpool.
7.If necessary, the guard can be made of a material that does not cause sparks due to friction.
Flange-connected cylindrical shell guards are usually used for medium and high-speed gear couplings andDiaphragm couplingon.
XNUMX. Flange-connected cylindrical shell protection devices are usually used on medium and high-speed gear couplings and diaphragm couplings.
1.The structure of the protective device is cylindrical and split along the axial direction, and the protective device is connected to the corresponding equipment in the unit by flanges at both ends.There should be an expansion joint at one end of the protective device, and an O-ring seal should be installed at the expansion joint.
2.If the coupling is working under corrosive conditions and needs protection, the protective device must be equipped with a pipe joint to allow access to dry air or inert gas.
3.Protective device for continuous lubrication of the coupling.
   Each fuel injection nozzle must be screwed to the protective device in the appropriate direction, so that the oil is sprayed in the direction of rotation.If the unit is running in forward and reverse directions, the oil is injected along the axial direction.The oil nozzle or oil pipe is not allowed to collide with the coupling.
   The protective device shall remain airtight for at least 3 years.
   If the return oil of the coupling cannot smoothly flow into the oil drain pipe of the connected machine, a flanged oil drain connection must be provided under the protective device.
   If specified by the buyer, a transparent viewing window should be provided on the protective device so that the working condition of each injector can be checked during the operation of the coupling.