công tắc giật dây dừng khẩn cấp băng tải loại phòng nổ BKLT2 BKLT2-I ExKLT2-I

Overview
  Explosion-proof two-way rope pull switch Two-way rope pull switch is mainly used in the transportation system of metallurgy, electric power, coal rock, mining and chemical industry.
 
It is an indispensable sensor element for conveyor automation control. This product is a protection device for the on-site emergency shutdown of the belt conveyor.
 
This product uses high-quality aluminum ingot alloy precision die-casting and uses a travel switch. It has high strength, light weight and good airtightness,
 
Long product life and other advantages
 
Working conditions
  1. Use environmental conditions

  2. Ambient temperature: -30℃~70℃

  3. The relative humidity is not more than 85%
 
Structural features
  1. This product uses aluminum alloy casting shell, high strength and light weight.
 

  2. The enclosure protection grade reaches IP65, which can work for a long time in harsh environments.
 
  3. This product is sensitive, stable and reliable.
 
working principle
 
When there is an emergency accident on the belt conveyor, pull the wire rope attached to the hanging ear at any position along the line,
The cam in the machine is forced to rotate and the microcomputer switch is driven to send a stop signal to achieve the stop effect and prevent the expansion of the accident.
Installation adjustment
This product is generally installed on two-line racks along the belt conveyor. Refer to Figure 3 for details.
 SHAPE  \* MERGEFORMAT  SHAPE  \* MERGEFORMAT ​
1. Fix the rope switch to the bracket.
2. The distance between the two machines is 25~30m, and they are connected by steel wire rope with a diameter of Ф4mm. The tightness should be moderate.
3. In order to reduce the influence of the wire rope's own weight on the switch and cause malfunctions, a support ring is welded on the frame every 3m.
To support the wire rope to ensure that it can work normally .
 
 

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