In order to ensure the safe operation of cranes, the crane safety regulations have made relevant regulations on the safety protection devices of cranes. Some people do not know the role of the safety ruler on the crane too much. Today, the editor will briefly introduce the crane safety ruler. The role of.
The safety ruler is used to collide with the gear lever of the limiter of the crane. When the crane runs to the set position, it will stop when it hits the limit ruler. This is a safety device, which is used to hit the travel switch at both ends of the track of the trolley and the cart. It is generally made of angle steel with a slight slope at the end. When the cart and the trolley are about to drive to the end, the travel switch It will hit the safety ruler, the big or small car will stop, and this device is the safety ruler.
The safety ruler of the crane is mainly used for trolleys. Generally, there is a limit switch on the main beam. When the trolley runs to the limit position, the safety ruler will touch the limit switch, which will cause the whole car to be powered off. Safety function!
The safety ruler is a safety device used to prevent the trolley of the double-beam crane from exceeding the operating limit.
1. Overload limiter
2. Torque limiter
3. Ascending limit position limiter
4. Lower limit position limiter
5. Operating limit position limiter
6. Deflection adjustment and display device
7. Amplitude indicator
8. Interlocking protection device
9. Level
10. Device to prevent the boom from tilting backward
11. Limit torque limiter
12. Buffer
13. Rail clamps, anchoring devices, iron shoes
14. Wind speed and wind level alarm
15. Outrigger retracting locking device
16. Rotary positioning device
17. Boarding signal button
18. Anti-tip safety hook
19. Overhaul the cage
20. Sweeping rail plate and support frame
21. Rail end stop
22. Conductive sliding wire protection board
23. Protective cover for exposed moving parts
24. Rain cover for electrical equipment
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