Explosion Proof Bridge Crane

BY Dongqi Crane IN Overhead Crane By Types

Explosion proof Bridge Crane is a kind of special lifting crane. It is mainly applied to hot, smelting, smoky, high temperature environment. Buy explosion proof bridge crane for factory, this can ensure security and efficiency. Dongqi Group, a reliable crane supplier in China, provides cheap overhead explosion-proof crane with top quality. Choose Dongqi and buy low price explosion proof bridge crane for coal mine! Explosion proof hoist can be used together with explosion proof crane to expand operation area!3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group
With strict producing standard, durable material, good performance, Dongqi low price overhead explosion-proof crane has been exported to many countries! Its explosion-proof technology mainly includes mechanical explosion-proof technology and electric explosion-proof technology.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Dongqi Explosion Proof Bridge Crane For Sale3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

• Lifting Capacity: 1-20t
• Span Length: 10.5-31.5m
• Lifting Height: 6-18m
• Working Class: A3, A4
• Explosion-proof Grade: ExdⅡBT4 / CT4

Get a Free Quote3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

What are principles of explosion proof bridge crane?

Overhead Crane works and produces electrical conduction and mechanical friction, which leads arc, spark and overheating. Thus it is necessary to take some measures to avoid arc, spark and overheating in flammable and explosion condition. Even if producing arc, spark and overheating, it can’t ignite explosive mixture. This is the basic design principle of explosion-proof crane. This kind of crane is composed of metal structure, explosion-proof electric device, explosion-proof parts connecting, mechanical or hydraulic transmission, and kinds of mechanism, components and safety devices.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

What are electrical safety devices and their functions?

Lighting switch box, it is the power source of work lighting and ringing.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Travel-limit switch, it is used for limiting the machine work in a certain range, so as to avoid accidents.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Emergency switch, it is installed at the side of cabin, under the condition of accidents or emergency, it is convenient to cut off the power of controlling circuit.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Door and hatch safety switch, it is installed on the door and hatch. It can avoid the accidents caused by power transmission blindly when someone ups or downs the crane or walks on the platform.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Fuse protector, it is used to protect short circuit.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Overcurrent relay, it can protect the overload and short circuit of main circuit and electric motor.3c1Types Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

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