Explosion-proof Electric Hoist
Explosion-proof Electric Hoist can be used alone or supporting the use of single girder, electric hoist double girder, electric hoist gantry crane, jib crane and other explosion-type girder, explosion-proof grade ExdⅡBT4 and ExdⅡCT4, widely used in factories with flammable gas, dust and air formation of explosive gas mixtures, combustible dust atmosphere and other places. With strong stability, high safety factor, long mechanical service life, modular design, simple structure and balanced design, etc.
Explosion-proof Electric Hoist including single and double speed, double speed especially for occasions require fine adjustment, high and low speed ratio of 1:10. Explosion-proof Electric Hoist traveling mechanism including fixed type and traveling type.
Weihua Crane is professional material handling equipment manufacturer and servicer with largest production in global. Provide you with overhead crane, gantry crane, electric hoist, etc. of safe, reliable and efficient crane solutions and services.
Explosion-proof Electric Hoist is mainly composed of: Lifting motor, reducer, reel device, hook set, electric control system, traveling trolley, safety devices, etc.
Explosion-proof Electric Hoist using BZD or BZDS explosion-proof conical rotor motor. General protection class IP54, special requirements can meet IP55, IP65 (dust explosion-proof), insulation class F, special requirements can meet H class.
Lifting gear and reel device are the same with CD electric hoist, MD electric hoist.
Depending on the different levels of explosion-proof, the hook head portion and wheel tread portion adopt different explosion-proof protection. The rest are same with the CD, MD electric hoist.
Electronic control system
Explosion-proof Electric Hoist standard power supply is three-phase 380V-690V, frequency 50 ~ 60HZ. Motor and electrical control equipment are both flameproof, explosion-proof rating ExdIIBT4, ExdIICT4.
Explosion-proof Electric Hoist electrical control system consists of explosion-proof hoist box, explosion-proof button control box and explosion off the fire limiter. Explosion-proof electrical equipment shell is firmly airtight, in order to meet the corresponding requirements of the explosion-proof grade; its internal functions are basically the same with general use electric hoist electrical device.
Button box with emergency stop switch, convenient in case of emergency, quickly stop the motor. Button on the control box adopts internationally used arrow symbol, and use 36V safety control voltage.
Explosion off the fire limiter composed of limiter control box and external guide rod. Wire rope guide block on the reel pushes guide rod and then touched the limiter control to cut off the lifting motor power.
Set up no-voltage protection, ground fault protection, short circuit protection, overload protection, lifting limit protection and other safety protections.
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