Reasons for damage of elastic coupling

highFlexible coupling, Used for the elastic connection of the master-slave shafting of power machinery.Circumferentially aligned elastic drum-shaped gear couplings 1 are connected to the master-slave hubs 4 and 5 of the coupling. The spiral ring-shaped elastic body of the elastic element is formed by the multi-stranded steel wire stranded by the metal splint. The annular free deformation space between the coupling master and slave hubs, the coupling master and slave hubs form an elastic displacement compensation feature through the annular free deformation space in the axial, radial and shaft inclination directions.It is suitable for shafting connection of various power devices driven by marine main and auxiliary engines, internal combustion engines, diesel engines, electric couplings and hydraulic motors.
　　*The torsional vibration test was performed on the ship, GICLZ intermediate shaft drum-shaped gear coupling. From the test results, the torsional vibration characteristics of the coupling are relatively small relative to the allowable value, but the coupling is continuously damaged. Excluding its own quality problems and torsional vibration, what other factors can generally cause damage to the coupling?
　　1. Principle: The main elastic pin coupling of the high-elastic elastic pin coupling. The drum-shaped gear coupling is a torsionally loaded rubber component. The rubber component can be designed in a single row or multiple rows, and each rubber component has A variety of standard stiffnesses are available, which can meet the stiffness requirements determined by the torsional vibration calculation to a large extent.The main purpose of using highly elastic pin couplings in ship power systems is to transmit power and torque, compensate for radial, axial and angular alignment errors, and compensate for oscillations of rotational momentum.Adjust the natural frequency of the system.High-elastic elastic pin coupling has the characteristics of light weight, easy installation, large displacement compensation in all directions, large damping, strong vibration absorption and frequency modulation capabilities, etc., which can better protect the main coupling, gear box and shaft system.
　　2. Reason analysis:
　　1) The elastic pin coupling damper of the main coupling sinks, causing the shafting to be misaligned and generating additional torque!This may be great for new ships.
　　2) High elasticity elastic pin coupling rubber drum gear coupling heat and fracture accident;
　　3) Matching problem: Only each equipment in the shafting system, such as diesel engine, high elastic coupling, gearbox, other parts of shafting system, propeller, etc., have good design and complement each other and support each other, and each has improved design flexibility. The choice of the horizontal coupling of the shaft, the ship designed in this way is the ship of high quality in the true sense.
　　4) Drum-shaped gear coupling; the reason is complicated, and it needs to be analyzed in detail.

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