QD Overhead Crane With Hook

√ General handling equipment. √ Span Length: 7.5~31.5 m. √ Lifting Capacity: 5~550 ton.

Product Type: QD
Lifting Capacity: 5~550t
Span: 10.5~35.5m
Lifting Height: According your demands
Working Class: A4~A7
Ambient Temperature: -20~40℃


Mainly composed of bridge, crane traveling mechanism, trolley, electrical equipment, etc. ;
Designed and manufactured in accordance with GB/T 14405, General Bridge Crane;
Widely applied to loading and moving of normal weight in the fixed crossing space and also can work with various special-purpose hoists in special operations;
It is prohibited to use the equipment in the combustible, explosive or corrosives environment.


In General

Compact structure, new style, beautiful outlooking;

Good in usability with long service life

Bearing high capacity, high working class

Flexable operating, safe and reliable

Widely used and competitive on quality and price.

Mechanism Parts

double girder overhead crane mechanism

Double girder, welding box beam, camber meet national standard;

Adopt high quality carbon steel, Q235B or Q345B; (similar as Fe37 or Fe52);

Main welding submerged are welded automaticly, nondestructive flaw detection

The trolley is consisted with motor,reducer, brake, coupling, the wheel, drum

No asbestos brake pad or brake block, insert the card installed,safe and reliable .

The speed reducer has hard-toothed surface, compact structure, durable

End girder is matched with rail buffer and rail clearance device.

Crane protection grade is IP54 or IP44, F grade insulation

Brake effectively, and long service life

Electric Parts


Electric box layout is reasonable, easy to repair

Security trolley line or angle steel trolley line

External cable are equipped with mark line number

Trolley moving' power is supplied by flat cable

And the conductor is I steal or C shape sliding line.

Safe touch line conductive rate is high, low pressure,

Set electric taxi speed is high.

Lifting and crane can be independently controlled, also can run separately or together.

Sliding smooth, and beautiful outlooking.

Protection Devices


Outdoor cranes are equipped with lifting mechanism, electrical control box and rainproof devices.

Set the trolley trip spacing device, anti-collision device

Audible and visual alarm device

And set platform, covery and protective covers and barriers.

Operation Device

Crane control operation

Ground control and cabin control

Special cabin for bridge crane or capsule driver room, open vision, comfortable operation.

The cable have open style, close style,can fixed on left or right

The open direction include end open,side open or top open

The cabin has special small room and the capsule cabin

Ground control has handle and remote control, do not need to set up special driver

Users can choose as you need

Optional Function

All the mechanism speed regulation is 1:10 or bigger

Overload limiter and alarm display, and the load of weighing and display

Height limiter device

The change between main hook and aux hook on single trolley

Central lubrication

PLC controlling and accident testing, record display and typing system

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