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Mechanical electric hoist overload protection device
2013-12-29 by bridgeyanju
Mechanical Electric Hoist overload protection device The utility model to a mechanical high quality electric chain hoist overload protection device composed of proving ring, hangs Taiwan, wire rope fittings. Proving ring by ring, upper and lower lug, mechanical deformation of the amplifier arch plate, the first and second micro switch, two adjusting screw, rivet nut, restricting the size of load of plate and bolt. Upper and lower lug and the arcuate plate are welded on the ring, micro switch is fixed on the left side of the bow plate, riveting nut is fixed on the right side of the bow plate, ring has two adjustment holes, two adjusting screw respectively through 2 adjustment holes and riveting nut and first and second contact micro switch touch device, upper and lower lug through the shaft pin respectively connected with hangs Taiwan and wire rope fittings. The utility model can work around the clock, strong electromagnetic interference resistance, simple structure, safe and reliable, maintenance workload small, the price is low, particularly suitable for the high quality electric chain hoist overload protection.
   keywords:    high quality electric chain hoist