Overhead Crane Explosion-proof

Overhead Crane Explosion-proof

QB type explosion-proof Overhead crane is suitable for double-girder bridge cranes working in Zones 1 and 2 with explosive gas environment, Zone 21 or Combustible dust environment, in accordance with JB5897-2006, GB/T14405-2011, GB6067 The standard stipulates that it is suitable for general lifting and hoisting operations in machinery, chemical workshops, warehouses, loading and unloading areas of medium and light working flammable and explosive mixtures.

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QB type explosion-proof Overhead crane is suitable for double-girder bridge cranes working in Zones 1 and 2 with explosive gas environment, Zone 21 or Combustible dust environment, in accordance with JB5897-2006, GB/T14405-2011, GB6067 The standard stipulates that it is suitable for general lifting and hoisting operations in machinery, chemical workshops, warehouses, loading and unloading areas of medium and light working flammable and explosive mixtures.

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 Overhead crane Explosion-proof are generally used for indoor work. The working environment temperature is -20~+400C, the relative temperature is not more than 90% (when 250C), and the working environment pressure is 0.08~0.11MPa.


Explosion-proof cranes are divided into three categories according to their use environment:

Class I: Mining crane

Class II: Factory crane

Class III: cranes are classified into three grades A, B and C according to the maximum test safety clearance or minimum ignition current ratio of explosive gas mixtures for electrical equipment. The working level of explosion-proof cranes is A3, A5.

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QB type explosion-proof bridge crane is a series of products manufactured by international advanced standards. The whole machine has novel structure, beautiful appearance, good craftsmanship, flexible and stable operation, safe and reliable.


Main feature:

(1) The bridge frame adopts box-shaped main beam and is automatically submerged arc welded.

(2) The car is electrically conductive and adopts a new conductive device for the I-beam steel cable, which is safe and reliable.

(3) The hoisting mechanism may also have a second set of safety devices as required. Increase reliability.

(4) Standardization, serialization and generalization of components.

(5) The operating room has a wide field of view, all the mechanisms are operated in the operating room, and the work is comfortable and flexible.

5t Overhead Crane

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