A.Composion:
QE model double trolley bridge crane is mainly consists of strong bridge beams, two trolley-traveling mechanism, crane traveling mechanism and electrical appliances The two trolleys on the crane beam could work simultaneously or separately as your demand, it's more efficient and convenient. With two trolleys that works simultaneously or separately, this crane is suitable to lift long materials (wood, paper tube, pipe and bar) in workshop or outdoor stores in factories and mines.

B.Safety features:
1.Outdoor cranes are equipped with lifting mechanism, electrical control box and rainproof devices.
2.Set the trolley trip spacing device, anti-collision device.
3.Audible and visual alarm device.
4.And set platform, cover and protecting barriers.

C: Control way:
1.Ground control and cabin control.
2.The cabin have open style, close style,can fixed on left or right.
3.Ground control has handle and remote control, do not need to set up special driver

Features:

1. Design: Compact dimensions, low weight, easy to operate and easy to maintain, modular design with direct fits between components
2. Motors: Crane uses sturdy cylindrical/ conical rotor pole-changing motors with elegant continuous cast aluminum sections, integrated safety brakes insulation class F, IP54 protection
3. Gear Boxes: Precision flat helical spur gear units in light alloy housings with case-hardened gears, high-grade surface treatment and permanent oil/grease lubrication
4. Brakes: Single/ Dual-disc electromagnetic DC brakes featuring automatic braking on power failure. Environmentally sound brake linings designed for approx. 1 million braking operations allow long maintenance intervals
5. Electrical Panel: Modular design, covering a very wide operating range. The systems are designed for ease of installation & maintenance and reliable operation, with fuse-less circuitry, ducted wiring and non-screwed terminals. Each drive group is equipped with a motor overload protection device to provide effective protection against inadmissible overloading
6. Painting: Every component & part is thoroughly scrubbed & painted with two coats of primer before assembly & two coats of synthetic enamel after testing
7. Limit Switches : To prevent over hoisting & over lowering of hook.
8. Push Button Stations : Extra light, handy, easy to operate, aluminum, fabricated from extruded section.
9. Soft Starts : Electric / Electronic soft start modules electrically coupled to the long travel drives to achieve jerk free, cushioned & smooth starts.
10. Maintenance Platform with Hand Railing: Easy, simple and safe maintenance of the crane extended partially or totally along the girder

Technical Data: