Demag Electric Hoist

Demag Electric Hoist

Weihua Crane Machinery Co., Ltd.

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

Email:marketing@craneus.com

Email:contact@craneus.com

Overview

Demag Electric Hoist is designed on the basis of advanced electric hoist, with high degree of intelligence. It is with advantages such as light weight, low height, sophisticated configuration, high transmission efficiency, low noise, energy saving and environmental protection, etc. Demag Electric Hoist adopts modular design, with high degree of universalization of all parts, high maintenance-free rate, less wearing parts.

Demag 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.

Features

The overall layout of Demag Electric Hoist is parallel C-type structure, compact, good force location, installation and maintenance of motor and reducer both are very convenient. Adopt unique anti-wheel turning round design, reduced dimensions and hoist weight.
Demag Electric Hoist
Three-in-one motor reducer
Lifting motor using original imported German crane specific products. Motor for low vibration, low noise design of squirrel cage cylindrical 2/12 pole two-speed brake motor to achieve lifting speed of 6: 1 of fast and slow two speeds, fast and slow speed conjunction reached on the true meaning of operation fast and easy and accurate positioning. Motor connected power sustained rate of not less than 60%, F class insulation, motor protection class not less than IP55, and has overheat protection and alarm functions, motor housing made ​​of aluminum alloy drawing molding, excellent heat dissipation. It can also adopt 4-pole inverter motor in accordance with the requirements, to achieve stepless speed, used in precision installation, with PLC programmable logic controller for anti-swing positioning and others.

Demag Electric Hoist Motor
Crane and trolley drive adopt advanced overall three-in-one drive mechanism, drive system with closed structure design, the transmission gear soaked in the lubricating oil during operation, in order to improve gear life and reduce noise. Reducer gears adopt 20CrNiMo low carbon alloy steel made through carburizing and quenching, gear grinding process, with the gear surface hardness of 60HRC or more, to achieve the requirements of hardened reducer requires, gear manufacturing precision reaches 7 class or more. With hardened surface, quiet design, good sealed, no leakage and maintenance-free design. Trolley traveling motor select squirrel-cage motor, motor protection class not less than IP55, connect power sustained rate not less than 40%. Adopt frequency control, reduce the impact of crane and trolley impact during braking, achieve the purpose of smooth traveling.
Crane and Trolley Motor
Brake System
Demag Electric Hoist with maintenance-free electromagnetic chuck brake, braking during power off to ensure safety. Maintenance-free design that is after the brake block wear, the brake block thickness has the function of detection and alarm, brake block material is with environmental protection and is non-asbestos, electronic modular system built-in brake makes the brake fast and agile. Minimum brake safety factor of 1.8, safety brake not less than one million times.
Wire Rope
Hoisting mechanism wire rope adopt foreign production products in line with international standard, all made ​​of galvanized wire rope, no maintenance or coated with anti-rust oil, breaking strength not less than 1960N / mm2, safety factor not less than 5.
Using original spring-wheeled guide rope device, which made of polymer composites, with high strength and good toughness. the force of the spring can automatically adjust the compaction degree of guide rope according to working conditions during operation, so that the guide rope completely becomes durable from quick wear part.
Demag Electric Hoist Wire Rope
Crane Hook set
Demag Electric Hoist hook is high strength grade T level hanging head, the material is quenched and tempered steel forgings 34CrMoV, can rotate 360 degrees, has prevent slippage safety buckle, hook block pulley using sheet metal roll forming, with good appearance and strong stress tolerance.
Demag Electric Hoist Hook set
Safety Monitoring System
Demag Electric Hoist device set with "black box", can realize efficient operation status monitoring, repair and maintenance information display, troubleshooting and optimization of operating parameters.
The controller will conduct self-test before electric hoist starting, including the power supply voltage level, whether phase loss or not, validity of each safety device and button zero status.
Set electric hoist limit switch, overload limiters, etc.
Electrical control
Demag Electric Hoist electrical components adopt Siemens, Schneider, ABB and other international brands, the mechanical life of more than one million times. With rational layout of electrical control box, clear line number, standardized and orderly wiring, and easy maintenance. External wiring using heavy duty aviation plugs, convenient to install, avoid mistakes.
Demag Electric Hoist Electrical Control
Demag Electric Hoist traveling using variable frequency drive design, operation speed is 2 ~ 20m / min. Speed ​​switching with smooth transition.
Variable frequency drive design most suitable for multi-changing traveling speed and high positioning accuracy required conditions, which can be used to obtain different speeds. It can adjust important parameters include acceleration and deceleration ramps by the controller. The transmission can achieve gentle start and braking, reduced the load swing to a minimum level. Suitable speed, without swing operation and sensor sensitivity positioning greatly reduce the work tempo.
Variable frequency drive characteristic curve

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.
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.

 

Weihua Crane Make the World Easier | Craneus