Electric Hoist Double Girder Crane

Electric Hoist Double Girder Crane

Weihua Crane Machinery Co., Ltd.

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

Email:marketing@craneus.com

Email:contact@craneus.com

Overview

Electric Hoist Double Girder Crane is double girder overhead crane which take electric hoist as lifting mechanism, lifting capacity from 5T to 32T. For general handling and lifting.
Widely used in transport, assembly, maintenance, and handling operation of machinery manufacturing processing workshops, warehouses, yard, hydropower plant and others. It can also replace general use double girder bridge crane, used in the production workshop of textile industry and food industry. Working-level is generally A4.
Electric hoist double girder crane with compact structure, good rigidity, easy operation, low noise, low building height clearance, light weight, small wheel pressure, safe and reliable, attractive appearance, etc.

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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.

Features

Electric hoist double girder crane the main components are: bridge frame, trolley, crane traveling mechanism, electrical control systems.
Bridge Frame
The bridge frame mainly consisted of main beam, end beam, walkway, railings, ladders and other accessories. Bridge use double girder structure, with sufficient strength, rigidity and overall stability.
Main beam is the important force structure of crane, this series of crane use rail-in-middle box girder. Main girder production materials is Q235 and Q345 steel, after all steel plates though rolled leveling, shot blasting and rust cleaning, spaying weld-ability primer, and then cutting. When cutting the web steel plate, prefabricated its camber. After completion, the main beam camber ensuring of 0.9S / 1000 ~ 1.4S / 1000 (S is crane span). Main girder design fully meets the requirements of strength, rigidity and stability.
electric hoist overhead crane
End beam at both ends of the two main beams, using high-strength bolts between main beam and end beam, it has simple structure, easy to install, easy to transport and storage.
Trolley
Trolley Frame
Hoisting mechanism: Use CD or MD high quality wire rope electric hoist as lifting mechanism.
Trolley traveling mechanism: trolley traveling mechanism includes motor, reducer, wheel sets, etc.

Use soft start motor, no need rheostat or other additional devices, can achieve "soft start" by direct power. It has no impact traveling, extending the life of the motor and associated mechanical transmission mechanism; Small starting current, suitable for frequent start; Strong overload ability, even though stall five minutes it will not burning motor; during work, no axial movement, no brush sliding contact points and low failure rate.
electric hoist double girder crane traveling mechanism
Crane Traveling Mechanism
Crane traveling mechanism mainly consists of 1.electric motor, 2.reducer, 3.wheel set and other components.

Traveling mechanism adopt dual-motor respectively drive device, this driving form with stable operation, light weight, versatility, easy installation and maintenance, operating performance is not affected by bridge deformation during hanging. Respectively drive can reduce wear of rail gnawing caused by wheel running skew deviation, not easy to appear wheel climb off track fault, etc.
Electric Control System
electric hoist double girder crane Electric Control System
Direct control is motor directly controlled by contactor, can achieve motor with single/ double speed and reversing control.
Crane traveling use string with resistance control, this approach reduces the motor starting current, relieving mechanical shock, and can achieve multi-position. This mode is applicable to the cabin operation, does not apply to ground and remote operation.
 
Use frequency converter to change the frequency and voltage of motor power, to achieve the purpose of motor speed adjustment control. Frequency inverter adopts Mitsubishi, Yaskawa, Siemens, and Schneider, etc.
Cranes power supply is three-phase AC, rated frequency of 50Hz or 60Hz. Rated voltage of 220V ~ 660V.
Safety protection system
Short circuit protection, no-voltage protection, emergency power off switch protection, overload limit protection, upper and lower front and rear travel limit protection, zero and chain protection, phase failure, phase error, overvoltage, low-voltage protection, ground protection.

Technical Data

Electric hoist double girder crane Sketch20t Electric hoist double girder crane Technical Parameter

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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.
Weihua 
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.
Weihua 
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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