Working Principle of Electric Overhead Crane

QZ Type Working Principle of Electric Overhead Crane Workshop Lifting 30 Machine

QZ 5T,10T,15T Model Motor-driven Double Beam/Girder Grapple Crane is widely used to transport, assemble, load and unload incompact goods in mine, port, factory, workshop, warehouses, and goods yard, etc. Grab's open direction is divided into parallel and vertical with main beam and the grab can be double or four wire rope, mechanical or electric hydraulic type according to different work duty and materials.

Main Features of QZ Electric Overhead Crane

1). Reasonable structure, strong bearing capacity 
2). Low noise, soft starting and stopping 
3). Safe and reliable operation 
4). Commodious cabin and open view 
5). Low cost maintenance, long working life
6). Strong box type, welding by machine hand.
7). Wheels are vacuum casting, medium frequency quenching
8). Wheels, wire rope drum, gears, couplings are processed by CNC machine center, TOP quality control.
9). Heavy duty slipring motor, Or Sq. cage motor with VVVF, IP54 or IP44,insulation class F or H, soft starting and smooth running.
10). Siemens main electric parts are used for durable and safe operation