Explosion-proof Electric Hoist

Explosion-proof Electric Hoist

Weihua Crane Machinery Co., Ltd.

Address:Industry Park, Changyuan, Henan, P.R.C




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.
Explosion-proof Electric Hoist

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.
Lifting Motor
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.

BZD conical rotor motorBZDS conical rotor motor
Lifting gear and reel device
Lifting gear and reel device are the same with CD 
electric hoist, MD electric hoist.
Hook set and traveling trolley
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.
explosion-proof hoist boxexplosion-proof button control box
Electrical components inside the Explosion-proof hoist box adopt high quality, good reliability, and long service life Siemens low-voltage electrical components to minimize the times that explosion-proof box open due to electrical fault. Inside of the control box and button control box are provided with electrical safety devices, to avoid short circuit occurs due to misoperation.
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.
Safety Protections
Set up no-voltage protection, ground fault protection, short circuit protection, overload protection, lifting limit protection and other safety protections.

Technical Data

Explosion-proof Electric Hoist Sketch1t-16t Explosion-proof Electric Hoist

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Weihua Cranes Machinery Co., Ltd.

Weihua Crane standard
Weihua Cranes started since the year 1988; it is professional material handling equipment manufacturer and servicer with largest production all over the world. With Weihua Cranes historical influence, “China Crane Town” (which covers more than 2/3 crane market in China) developed in the area around Weihua Cranes headquarter.
Weihua Cranes main businesses are researching, developing, manufacturing and sales of all kinds of lifting equipment. We have passed the ISO9001 quality system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system certification, CE certification, etc.
Weihua Cranes advantages and differences with other crane manufacturers are that we have professional crane team to provide you with safe, reliable, efficient crane solutions and services, and as far as possible to reduce your cost. Crane your business, let’s develop together!


Excellent Product and Solutions

Weihua Cranes become one of general hoisting machinery manufacturing industry leader with the largest production and sales volume. We can provide electric hoists, single/double beam overhead cranes, gantry cranes, and such varieties of lifting equipment 10 serious more than 200 types. The lifting capacity of the overhead crane can achieve 1000t, and the gantry crane 900t, to meet all kinds of project need.
Cranes is committed to provide total optimized crane program solution and perfect service to help customer to save cost and improve efficiency.


Advanced R&D | Strong Q&C | Production capacity

Weihua Cranes has Technology Testing and Inspection Center authorized by the state, post-doctoral research station, obtains 283 technology patent certificates and inventions, R & D team of Weihua with 600 people and with Shu-zi Yang (academician from the Chinese Academy of Engineering) as the foregoer, is the biggest one in general purpose crane industry in China.
Cranes now adopted the “lean production management”, the undaunted testing and outstanding market performance, ensuring Weihua Cranes stand out as the leading brand within crane industry. Weihua Cranes continuously make the innovation on technical and strict on QC management to keep the products quality steady improving.

Weihua Cranes total asset is of 0.78 billion US Dollar, over 6000 employees, covers an area of 3.42 million square meters, one of Weihua Cranes workshop is the largest within the whole world crane industry. A varieties of 1700 sets manufacturing and testing equipment, including machining, heat treatment, welding, assembly, testing and packaging shipped metering and other ancillary equipment with a full range of advanced production scale and production capacity.

Outstanding Marketing Performance & Long-term Partner

Production and sales of overhead and gantry cranes won the first in China for continuous 8 years. And now, total production amount of Weihua Cranes products achieve world first. Weihua Cranes has developed strategic partnership with Siemens, GH Spain, Demag, SEW, Schneider, etc.

Weihua Cranes are widely used in machinery manufacturing, iron and steel metallurgy, nuclear industry of mining, water conservancy and hydropower, roads and railways, electric power, automobile manufacturing, petrochemical, port logistics, shipbuilding and other material handling, etc. We have successfully exported to more than 90 countries and regions such as the United States, Great Britain, Russia, India, Brazil, Peru, South Africa, Mongolia, South Korea, Australia, Southeast Asia, the Mid-East, etc. And get well reputation.
Weihua Cranes with strong capacity, focus on customer service, provide with first-class quality, safety and reliable products, create more and more value for customers, these are the reasons we set-up stable and long-term relationship with our customers.


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