Explosion-proof Single Girder Overhead Crane
Explosion-proof Single Girder Overhead Crane Introduction
The explosion proof single girder crane is a small overhead crane with light lifting capacity, installed with anti-explosion electric hoist, with all the motors and electrical equipment of the explosion proof crane manufactured in line with international standards and regulations. The lifting capacity of the explosion proof single girder overhead crane is 1 to 20 tons and the working class is A3, and the specific parameters is shown in the following table:
- Product Type: LB
- Lifting Capacity: 1~20t
- Span Length: 7.5~31.5m
- Working Class: A3,A4
- Ambient Temperature: -20~40℃
Components of Explosion-proof Single Girder Overhead Crane
The explosion proof single girder overhead crane is mainly consisted of crane traveling mechanism, electrical system, bridge, explosion proof electric hoist, etc.
Explosion proof Single girder overhead crane diagram
Application of Explosion-proof Single Girder Overhead Crane
The explosion-proof grade of the explosion proof single girder overhead crane is respectively Exd Ⅱ BT4 and Exd Ⅱ CT4;
The explosion proof single girder overhead crane is applied to the inside factories with the detonating ability not high Ⅱ B or Ⅱ C, and flammable mixture environment with the Ignites temperature classes of T1 ~ T4 group;
Explosion Proof single girder overhead Crane Zoning: Zone 1 & Zone 2 Hazardous Areas.
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Advantages of Explosion-proof Single Girder Overhead Crane
- Reasonable design, strong explosion proof ability
- Company structure, good rigidity
- Installed with adjusting speed converter, steady travelling
- High safety and reliability
Features of Explosion-proof Single Girder Overhead Crane
1. On mechanical system
- High quality materials: Q235B or Q345B
- Superior steel plates welded rectangular tube legs
- Trinity-drive system or traditional drive by motor and reducer
- Smoothly moving, effectively braking, long service life
2. ON electrical system
- Independent and simultaneous control to all the electric hoist and crane movements.
- Electric hoist mobile power supply is constituted of flat cables, special cables, galvanized slippery course and small cable pulley, etc.
- Smoothly moving, beautiful appearance
3. On safety measures
- Overloading protection
- Height limit switches
- Speed limit switches: fast to slow and stop
- Buffer devices to hoist trolley and crane bridge
- Lockable Mains Isolator at end of runway
- Warning indicator: anti-collusion device and flashing lights and warning sound.
- Motors with temperature control devices, with the insulation class F.
- Self-adjusting, twin, disc brake on hoist motion, asbestos-free brake
- Anti-Derailment Device on Crane and Crab Unit , Non-Sparking Type
- Crane, Crab Wheels and crane hook made from Anti-Sparking Material
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