Qb Explosion-Proof Crane Mine Bridge Double Girder Crane

This type of crane is specially designed and manufactured to meet special working environment.
Explosion proof performances of all motors and electric components of QB explosion proof crane satisfy standards stipulated by GB3836.2-2000 Explosion Proof Electric Equipment Working in Explosive Gas Environment Part 2: Flam proof Type "D", and the performance of the crane meet demands in JB/T5879-1991 Explosion Proof Crane. The crane has obtained Explosion Proof Certificate after passing examinations by units designated by the government to test explosion proof products. The explosion proof marks are Exd II BT4 and Exd II CT4 respectively.
 
This product is suitable for areas where the explosion transmission is not higher than II B or II C and the ignition temperature group of inflammable gas or explosive mixture of steam and gas is not lower than T4. Applicable dangerous zones are zone 1 and zone 2(please refer to GB3836.1-2000 for details).
 
This product is generally controlled on the ground, but control from the driver's cabin is also available. The working duty is intermediate.
 Note: 5~10t crane does not have a auxiliary hook.
 
Working condition:
Working tempreture:-25~+40°C, 
Work class: A5,
 
Components:
Control method: Cabin control.
Explosion proof electronic hoist.
The decelerator, Motor are famous brand or other brand according to customer requirement.
Many electric elements are choosed under the customer required.
 
Safety:
Overload protection,
Main lifting motor with thermal protection,
Hooks with latch,
Rubber buffers,
Protective earthing,
Crane switch and travel end switch,
Emergency switch can stop all movement when any dangerous happened,
Sub-assemblies characteristic are tested before assemly.
 Feature:
High safty fator
Precision
Move and stop smoothly
Easily intall, maintain,dismantle
Parts and compent are easy to change when broken.