CD Type Electric Hoist

CD Type Electric Hoist

Weihua Crane Machinery Co., Ltd.

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


CD-type wire rope electric hoist used separately or in combination with single beam, hoist double girder crane, gantry crane, cantilever crane and others, widely used in railways, docks, industrial and mining enterprises, warehouses and other places for lifting heavy objects.
CD-type electric hoist design concept: light weight, high stability, high safety factor, long mechanical life, easy to maintain. Simple structure, beautiful appearance, size design is balanced. Quality and safety can compare favorably with Demag and Kone electric hoist, but the cost is only half or even lower than them.
CD-type wire rope electric hoist lifting speed is single-speed, electric hoist including fixed type and running type, fixed type often supporting the use with LH electric hoist double girder bridge crane. Running type electric hoist can make linear reciprocating motion in the horizontal direction and also can make curvilinear motion in a limited arc orbit. Running type electric hoist often supporting the use with Single-girder overhead crane
, Electric suspension crane, Electric hoist gantry crane
, Electric hoist semi-gantry crane, Jib crane and others, constituting a variety of hoist cranes.
Our company has nearly 30 years of production and design history of electric hoist, has accumulated a wealth of experience in its design and production, and can also design and produce non-standard electric hoists adapt to various conditions.
CD Type 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.


CD-type wire rope electric hoist is mainly composed of: Lifting motor, reducer, drum device, hook set, electric control system, traveling trolley, safety devices and other components.
Lifting Motor
ZD-type lifting motor is conical rotor three-phase asynchronous brake motor, standard motor insulation class B, protection class IP44, can be also made F&H- insulation class and IP54&IP55 protection class according to conditions requires. The motor has such characteristics: good heat dissipation, long life use, safe and reliable, can work long hours at high intensity workplace.

ZD conical rotor motor
Lifting Gear Motor is the same with MD-type electric hoist 
Drum Device
Drum device consists of drum shell, rolls, intermediate shaft, guide rope device and limit guide rod device. Reel device installed lifting reducer in the left, hoisting motor in the right. Reel and reel shell composed of Q235B rolling steel, with high compressive strength, large carrying capacity.
Guide rope installed in drum that can make the wire rope in order without chaos. And also push rod guide device movement by moving the guide rope pallets to achieve electric hoist rising and drop limit stop protection. When the hook down to lifting height position, safety turns of the wire rope on the drum not less than twice turns (except laps fixed rope tail).
Rope select line contact wire rope NAT 6 × 37 + FC model, with tensile strength 1570MPa. Safety factor is greater than 4.5 times.
Hook Set
Single-pulley hook             Double-pulley hook
Hook part have two types: single pulley type is applicable to the lifting mechanism that has two winding wire rope sets. Double pulley type is applicable to the lifting mechanism that has four wire rope sets. Hook set: material DG20, safety factor is greater than 5, hook with the decoupling device that to prevent the wire rope separate from hook, ensure safety and reliability of the hook during operation.
Trolley traveling mechanism
Electric hoist traveling trolley composed of traveling motor, reducer, wallboard, driving& driven wheel set, flat nut, bolt and adjusting pad.
Trolley run institutions configurations including three types:
A. Lifting capacity ≤5 ton, lifting height ≤9 meters, install one set of driving traveling trolley.
B. Lifting capacity ≤5 ton, lifting height 9≤H≤30 meters, install one set of driving one set of driven traveling trolley.
C. Lifting capacity≥10 ton, installation two sets of driving traveling trolley.
Motor and reducer of electric hoist traveling trolley: Material and structure same with the motor and reducer of lifting mechanism. Wheels are through precision machining with 45 # steel.
Electrical Parts
CD Electric Hoist Electrical Parts
Electrical parts of CD hoist controlled by the electrical box. Electrical components inside of control box fixed above the inside box bottom, with reasonable layout, electrical circuit simple to understand, convenient for daily maintenance.
Electrical components typically use CHNT low-voltage electrical or equipped with Schneider, Siemens and other brands with high quality low voltage electrical components according to customer requirements. Control box protection class IP44, can also be equipped with the highest protection class IP55 control box according to customer requirements.
CD-type wire rope electric hoist power supply can be designed below three-phase 690V, 50 ~ 60HZ frequency control system according to customer requirements.
CD-type wire rope electric hoist electrical control mode is divided into switch direct control mode and inverter frequency control mode. Inverter brands such as: Mitsubishi inverter, Yaskawa inverter, Siemens and Schneider frequency inverter, etc., for customer to choose.
Operation mode including cable handle ground operation, remote control. Even can be installed cabin operation.
CD hoist electrical protection functions: voltage protection, ground protection, short circuit protection, overload protection.
Safety Device
Upper and lower limit protection: fire limit device composed of the fire stopper and guide rods. Fire stopper mounted on terminal box of the lifting motor, for the upper and lower limit protection of hoisting mechanism, its working principle is: the rope guide card board toggles the guide bar leading to drive the fire stop limit switch and cut off hoisting motor power.
Overload limit protection: overload limiter issue pre-alarm signal when the load reaches 90% as rated, when the load reaches 110% of rated weight immediately cut off the lifting power supply and issued prohibitory alarm signal.
CD-type wire rope electric hoist

Technical Data

CD Type Electric Hoist SketchCD Type Electric Hoist Technical Data

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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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