bridge crane also called overhead crane or electric overhead travelling crane(EOT Crane).Usually used in the workshop ,warehouse and yard over the material lifting hoisting equipment to lift some material. It can be classified: double girder and single girder overhead crane. According to its function also can be classified: Grab bucket overhead crane, Electronic magnetic overhead crane, Suspend type overhead crane, casting overhead crane.
The hoist type crane has its best in compactness, legerity and price advantage so it is widely used around the world. So how to inspect the bridge crane and what is the inspection standard become a question to the user.
According to <Special Equipment Safety Supervision Regulations> in China, every five days the crane should be clean, lubrication, adjustment and inspection and made the special record.
Checking the electrics wire box and the switch if it is delicacy, reliable and burn-in; checking the steel wire rope if it is fracture and warp; checking the brake if it is flexible and reliable; checking the hook if it is cracking or damage and its turn is flexible and then lubricate the rotating parts. Making the inspection diary.
The minimum distance should be more than 100 mm between the bridge crane and other equipment in the working area.
Stop on the end of the rail should not be distorted, damaged and its connecting bolt should not be loose. Crack should not be existed by welding connection.
The bolt should not be loose.
Appearance and insulator should not have damage.
The fix on the top and bottom of the cable wire should not have damage, stub and should keep insulation.
Contactor’s connection and open should be flexiable and not have conglutination.
It can not have severe wear and abrasion
Its working should be flexible and reliable and the minimum distance from hook assembly peak to the drum should not be less than 50mm when the hook is rising limit.
There is no crack, unusual abrasion and deformation of the hoo
Rotation is flexible and smooth.
The locking device should not be loose.
There is no unusual abrasion of the pulley groove and the pulley margin should be completion and no damage.
Pulley shell should not have abrasion and no loose of the blocked axle board and the locking device should be good.
The wear of the brake ring or brake disc of the lifting mechanism shall not be more than 50% of the original thickness and not more than the maximum value of the axial adjustment. The wear of the brake pads is not more than 50% of the original thickness.
On the end of the rope, it should be fixed reliable and no unusual situation
There is no kink, burns and obvious loose, corrosion and other defects on the rope and the rope should be lubricating grease.
We, Yuantai Crane Dongqi Group always put our customer in the first place. Operate purpose to the quality of survival, to technology development, in good faith development.Any technical problem you met during the usage of the crane or hoist, please feel free to contact us and we will help you to solve it.And if you have requirements about the crane or hoist, I think that Yuantai Crane Dongqi Group is your best choice!Don’t hesitate to contact u!
European Standard Double Girder Overhead Crane
HD Electric Hoist Overhead Crane