80 Ton Overhead Crane

BY Dongqi Crane IN Overhead Crane By Tons

80 ton Overhead Crane is a good choice for heavy lifting work! It has durable material, large loading capacity, and great performance! For heavy duty crane, safety is the first factor. Complete safety protection device can ensure the safety of operator and prolong the crane service life. Safety devices mainly includes overload limiter, over-speed protection device, emergency switch, and buffer. Dongqi, a professional overhead crane supplier in China, sales top Bridge Cranes with factory price! Choose Dongqi cranes for reliable features and less crane cost!7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

80 Ton Overhead Crane For Sale7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

• Lifting Capacity: 80t
• Span Length: 10.5-31.5m
• Lifting Height: 6-18m
• Working Class: A5, A6
• Ambient Temperature: -20-40℃

Get a Free Quote7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

The over-speed protection device of heavy duty crane

Crane over-speed protection device is kind of safety device that installed on the crane lifting mechanism, it can avoid accidents caused by over-speed.7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

This kind of safety device can eliminate slipping-hook condition, ensure the safety of lifting material, and protect the operator. It can avoid damages on electric motor and transmission mechanism. Over-speed protection device is the safety insurance of lifting crane, it has good economic and social benefits.7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

This controlling device is widely applied for bridge crane, gantry crane, goliath crane, tower crane, loading and unloading crane, mine hoist. It has simple types and compound type to meet requirements of different tons and working conditions.7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

In general, metallurgic overhead crane with more than 20t lifting must be installed with over-speed protection device.7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Usual failures of bridge crane and solving methods

The trolley travels skid. The rail has oil pollution, the wheel pressures are different, the height error of two rails within the same cross section. Clean the rail and eliminate the oil pollution, adjust the wheel pressure, adjust the rail.7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

The trolley travels with three legs, the error of wheel diameter is too big, the installation is not reasonable, the frame is deformed. Processes the wheel according to requirement, adjust the installation, correct the crane frame.7RPTypes Overhead Cranes, 1-500 tons Overhead Bridge Crane Manufacturer & Supplier | Dongqi Group

Dongqi durable 80 ton overhead crane for sale

1. Power loading capacity, high efficiency
2. Strict producing standard, ensured quality
3. Strong crane manufacturer, factory price
4. Various types, reasonable design
5. Easy installation, safe operation
6. Simple maintenance, wide application

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