QD Electric Double Beam Heavy Duty Bridge Crane

I. Description

QD electric double beam heavy duty EOT crane is widely used for lifting machinery currently. It is mainly comprised of box-shape Bridge, crane crab trolley traveling mechanism and electric control system. The load handling devices is the hook.

On the beam laid rails for crane crab to transversely move. The beam is weld with the box-shaped end beam. At the middle of the end beam are joints which are fastened with bolts for fragmented transportation of bridges. The platform is used to place trolley traveling mechanism, electric equipments and used for repair. It has three operation modes: ground handle, wireless remote control and cab. There are two kinds of cab: open cab and closed cab, where there is adjustable seat, insulation mat on the floor, tempered glass for the window, fire proof, cooling fan and auxiliary equipments such as air conditioner, acoustic alarm and interphone which can be furnished according to user demand.

II. Product Details

1. Main Beam: Double beam bridge crane is the first honeycomb beam design, with light weight, large load, strong wind resistance and other characteristics.

2. End Carriage: The supporting beam of the main girder of the bridge crane is called the end beam. Support the main girder and transfer the load of the main girder to the rail of the crane through the wheel. Using box structure beam or welded by channel steel, gear reducer motor transmission mechanism, equipped with open pinion or hollow shaft wheel, so that the crane manufacture, installation and maintenance is very easy, can be produced according to customer requirements.

3. Lifting Trolly: The hoisting mechanism is generally composed of a motor, a reducer, a brake, a wire rope, a drum, a hook, etc. The hoisting mechanism used on a double beam bridge crane mainly includes a hoisting trolley and an electric hoist trolley Two, according to the different working conditions on site and its weight to decide whether to use an electric hoist trolley or a hoist trolley.

4. Safety Devices: In order to ensure the normal operation of the crane and the positioning at any position, safety devices are provided on each mechanism, such as a brake device on the high-speed shaft of the motor and reducer. In addition to the brake device, the lifting mechanism also The device is equipped with limit switch, overload alarm (equipped according to customer requirements), and limit switches are installed in both large and small cars. The circuit is equipped with safety devices such as overcurrent protection, zero protection, emergency switch, warehouse buckle door interlock switch, electric bell reminder, etc. To ensure the normal operation of the crane and the personal safety of related personnel. 5 ton~800 ton QD type railway bridge crane for sale.

III. Product Features

1. Three kind entrances to the cab: end, side and top entrances;

2. The rotating part of hook must be locked by screws during electromagnetic plate working;

3. Box-typed girder structure is welded in high strength by robots;

4. Wheels, winding drums, gears and couplings are manufactured by CNC with best quality;

5. Heavy-duty slip ring motor from Wuxi NGP, the best quality in China;

6. Electric equipment from German Siemens

7. Independent control system: wireless control or cab control;

8. Lifting overload protection device;

9. Polyurethane buffer;

10. Crane travel limit switch;

11. Decompression protection;

12. Emergency shutdown device;

13. Current overload protector.

IV. Packing

1. Electric parts are packed by high quality plywood crate, to reduce distortion in conveying.

2. Main beams, end beams and trolly/winch are packed by plastic woven cloth. It can reduce abrasion during the transportation.

3. If the size are suitable for container ship, usually by container.

4. Big size, usually by bulk ship or by container after truncation.

5. Transport ways are based on reducing cost & keep safety.

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