Factory explosion-proof crane, with the explosion-proof mark of exdiibt4\exdiict4; Dust explosion-proof crane with the explosion-proof sign dipa21tat4; Dust explosion-proof and factory explosion-proof can also be certified at the same time, which is called Double mark.

The working environment of an explosion-proof crane is very harsh, and operators need to pay attention to safety points during operation:

• During the operation, no one is allowed around, it strictly prohibits leaving the work post without authorization, and no other person is allowed to open the machine.
• The hoisting command needs to be operated by skilled personnel who understand the performance of the Yellow River hoisting machinery, the signal shall be accurate during the hoisting commands, and the operation shall pause until the situation is clear.
• The lifting materials should keep a constant speed to be transported to the appointed place. Explosive-proof cranes strictly prohibit braking and changing direction suddenly. The lifting materials shall be more than 0.5m higher than the obstacle during the transition. The materials shall be placed gently at a low speed to prevent dumping. In case of sudden power failure during operation, the breaking point of the switch shall open immediately, and the transported objects shall be put down.

An explosion-proof crane can work in a harsh environment, and we still need to pay attention to safety. Explosion-proof cranes are used widely on many occasions, whether lifting equipment or industrial equipment. If only it works, it needs regular maintenance to ensure normal operation and personal safety.

How do you deal with the rust of explosion-proof cranes?

If the explosion-proof crane works in the open air, rust will inevitably appear due to the wind and sun. When it rusts, some measures need to take:

• If the cause of rust is the falling of external paint, it’s necessary to clean these damaged places and the surrounding areas. Respray new antirust paint, regularly inspect and maintain them.
• If you want to prevent rust in advance, you can apply diesel oil and lubricating oil on the equipment, which can play a protective role and reduce rust.

• When the explosion-proof crane is not applicable, and the equipment is just outdoors, it is necessary to cover it for protection to slow down the rusting speed.

QB belongs to the bridge type explosion-proof crane, and LHB belongs to the double beam hoist explosion-proof crane. They are two different types of explosion-proof cranes, which are chosen according to the different working conditions and working levels. A brief introduction is as follows:

Common ground:

• The classification of explosion-proof levels is the same, such as ExdIIBT4 and exdiict4.
• The principle and method of explosion-proof are the same.
• The main beams are double beams.

Differences:

• The types of trolleys are different: QB is a standard explosion-proof trolley, and LHB is an explosion-proof hoist trolley.
• The crane driving device is different: QB angle box wheels large transmission, equipped with explosion-proof motor, reducer, and brake. LHB equips with an integrated explosion-proof driving device with a small transmission.
• The operation modes are different: QB must be operated in the air, not allowed to be remotely controlled, and LHB can be controlled in the air or remotely.
• The mounting quality is different: QB is generally 5-200 tons, or even heavier, and LHB is not more than 32 tons (about 80 tons for a European explosion-proof hoist).
• Different working intensities: QB is more suitable for continuous and high-intensity work, and LHB fits for light, small, and short-time work.
• The weight, price, service life, handling, and stability are different.

If you have any inquiries about Explosion-proof Crane, please feel free to contact us, and we promise to offer you the best quality at a competitive price.