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Double Girder Overhead Crane QD Type
Double Girder Overhead Crane QD Type
Double Girder Overhead Crane QD Type
Double Girder Overhead Crane QD Type
Double Girder Overhead Crane QD Type
Double Girder Overhead Crane QD Type
Double Girder Overhead Crane QD Type
Double Girder Overhead Crane QD Type

Double Girder Overhead Crane QD Type

Type:QD
LiftingCapacity:5~800ton
LiftingHeight:12-22meter
Span:10.5~31.5meter
WorkingDuty:A5-A6
AmbientTemperature:-20~40℃
Description
Specification
Features
Application
Description

  Double girder overhead crane is one of the important types of lifting equipment widely used in different industries. It plays a key role in workshops, warehouses, steel mills, etc. And this general double girder overhead crane provides a reliable and efficient solution for lifting, loading and unloading heavy loads. Its superior design guarantees smooth production and logistics operations

  The main structure includes main beams, trolley traveling mechanism, electric trolley, hoisting mechanism, etc.. Two double beams are the main supporting structure. With high quality steel, they have a strong frame that can withstand high pressure and bending when lifting heavy loads.

  The trolley travel mechanism is on both ends of the bridge. It can drive the overhead crane along the factory or dock along the rails. This allows the overhead crane to adjust its working position over a wide range. The trolley moves along the rails, which allows flexible positioning of the lifting mechanism. It is responsible for the vertical lifting and lowering of heavy loads. This ensures smooth and safe lifting thanks to a precise transmission system and a braking device. The electrical system provides power to each mechanism of the overhead crane. It also precisely controls its operation, including motors, controllers, limit switches, etc., to ensure safe and accurate operation.

  Application

  QD overhead travelling cranes are popular in indoor and outdoor industrial and mining facilities, in the chemical industry, ferrous metallurgy, railway transportation, ports and terminals, as well as in logistics warehouses and many other areas.

  In the workshops of industrial and mining enterprises, double girder overhead crane can lift raw materials, semi-finished products and finished products. This can greatly contribute to the efficient operation of the production process.

  For steel and chemical plants, it can move heavy equipment, steel and chemical raw materials. In

  On rail transportation, it can assist in loading and unloading goods. At port terminals, it is a powerful tool for loading and unloading goods, lifting and transporting containers and bulk goods. In logistics warehouses, it can effectively handle the storage and transloading of various types of goods.

Specification

QD overhead Crane with Hook
Model QD type
Lifting capacity t 10  16/3.2 20/5 32/5 50/10 75/20 100/20
Max.lifting height Main lifting m 16  16  16  12  16  12  20  22 
Aux.lifting m     18  14  18  16  22  22 
Span m 10.5-31.5 13.5-31.5 13-31
Lifting speed Main m/min 11.3  8.5  7.9  7.2  7.5  5.9  6.1  3.9 
15.6  10.4  10.7  9.8  9.5  7.8  6.1  4.9 
Aux.      14.6  15.5  15.5  10.4  7.2  7.2 
Trolley traveling speed m/min 37.2  37.2  40.0  40.0  42.6  38.5  38.4  33.90 
Crane traveling speed A5 m/min 68.3/70.4 70.4/71.8/73.4 70/72/72.8 70/72/73 74.2/75.1 75/75/72 53.9  61.7 
A6 68.3/71.1/88.9 71.1/74.2/74.2 70/72/73 71.3/73.6/73.6 75 75/75/74 77.8/67 61.8 
Power Supply 3 Phrase  A.C. 50Hz 380V or others
Features
Brand Reputation
Weihua Cranes ranks among the top sellers in China's crane industry, boasting high brand awareness and market share. Its products are widely used in numerous national key projects and industry giants in aerospace, automobile manufacturing, steel metallurgy, ports and terminals, rail transportation, and energy and power. The company has accumulated a wealth of successful cases and obtained special equipment manufacturing Class A license, ISO series management system certification, EU CE certification, etc., qualifying it for global market access.
Full Service
Weihua provides a one-stop service, encompassing consultation and planning, solution design, installation and commissioning, personnel training, maintenance, parts supply, and technical upgrades. With hundreds of service outlets worldwide, it offers rapid response times and provides localized, timely technical support and repair services.
Excellent Product Quality
Weihua Crane employs automated production lines and precision machining equipment, resulting in a high level of manufacturing technology. Key components are primarily sourced from well-known domestic and international brands or high-end domestic brands, ensuring high reliability. Quality design is integrated throughout the entire process of design, procurement, production, and testing, guaranteeing a high product qualification rate.
High Safety
Weihua Lifting strictly adheres to and often exceeds advanced international standards such as Chinese national standards (GB) and European Union standards (FEM) in its design. Key structures (such as main beams, end beams, wire ropes, and hooks) adopt high-standard safety factors with sufficient margins to eliminate safety risks caused by design defects at the source. The core components of the lifting mechanism (such as brakes, motors, and reducers) mostly use international first-tier brands (such as SEW, Siemens, ABB, etc.) or high-end domestic brands to ensure precise operation and reliable braking. 
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Application
Weihua cranes are widely used in machinery, metallurgy, power generation, railways, ports, petroleum, chemical, and other industries, serving key national projects and large enterprises.
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