QE Double Trolley Overhead Crane

Product Type: QE
Lifting Capacity: (2.5+2.5)~(200+200)t
Span Length: 10.5~50m
Working Class: A5,A6
Ambient Temperature: -20~40℃

It adds a trolley on QD overhead crane becoming double trolley crane; 
Rated lifting capacity is the total of two trolleys' lifting capacity;
Mainly be used to lift long and big loads or some sets with two long distance lifting points;
Design and manufactured in accordance with GB/T 14405, General Bridge Crane ;
Widely used in storage, workshop,stockyard;
The two can achieve the lifting, dropping and traveling at same time, also can drive individually.

Features
1) Two top running trolleys
2) Heavy duty type
3) Stronger structure
4) Safe traveling
5) Fluent starting and stopping
6) Noise-less
7) Good appearance
8) Easy and convenient maintenance
9) Cost effective
10) CE certification

In General
Compact structure, new style, beautiful outlooking.
Good in usability with long service life.
Bearing high capacity, high working class.
Flexible operating, safe and reliable.
Widely used and competitive on quality and price.

Mechanism Parts
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 automatically, 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, protective covers and barriers

Operation Device
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