XINLAN analyzes the maintenance and management of elastic couplings and shock absorbers

Flexible couplingMaintenance and management of shock absorbers:

XNUMX. Torsional vibration damper

            Torsional vibration damper is generally installed at the free end to consume excitation energy.
                  
                  1. The role of torsional vibration damper
                  1). The mode shape, node position and natural frequency can be changed.
                  2) It can limit the increase of torsional vibration amplitude.
                  
                  2. Types of torsional vibration damper
                  1). Power type: only used for diesel engines running at a fixed speed.
                  2) Damping type: can reduce the amplitude, such as silicone oil shock absorber.
                  3) Dynamic damping type: generally there are two types: sleeve spring type and metal reed type.

Two, elastic coupling
                  
                  It can make the diesel engine have no speed restriction zone, but it only has a very obvious damping effect on single node vibration.

XNUMX. Maintenance and management of shock absorbers and elastic couplings
                  
                  1. Maintenance and management of shock absorbers
                  1) For the damping type, it is necessary to ensure that the damping fluid does not leak, and there is no need for regular disassembly and inspection.
                  2) In the power type, ensure that the springs are filled with lubricating oil during operation. If a spring is found to be damaged during the inspection, it must be replaced with a new set of springs.
                  
                  2. Maintenance and management of flexible couplings
                  1), rubberFlexible couplingThe temperature of the operating environment is between 60 degrees Celsius and minus 10 degrees Celsius.
                  2). The outer wheel with a large moment of inertia is connected to the input shaft and the inner wheel with a small moment of inertia is connected to the output shaft.
                  3) When there is strong torsional vibration in the shaft system, the speed should be reduced quickly to move away from the "speed forbidden zone" until the torsional vibration is reduced or disappeared, and the cause of the torsional vibration should be analyzed and identified as soon as possible for correction.

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