How to do the safety tongs experiment
This is used to see the difference between the weight of your car and the weight of the car. This index GB is 40-50%. It's about energy saving. Of course, the deviation is too great to lift the elevator.2. empty, half full, flat layer under the condition of this test to see the difference in the case of elevator leveling elevator and floor level position3. the emergency stop test of the elevator in case of loading, that is, whether the gate can be effectively stopped and the stopping distance in the case of an emergency stop of the elevator.4. safety tongs speed limiter test, in the case of the elevator speed out of control, through the safety components, the elevator can be put on the guide rail.Wait a minute. There is a lot of space and lots of things to write about.Fill in the form, they are first fill, be self check, and then the government to check and accept. If you have a good relationship, you help him fill it out. He ends up covering a chapter and signing it.The internal inspection of large enterprises is much stricter than the acceptance by the government.
1. whether the speed limiter rotates is flexible and the clamping block action is reliable.2. whether the electric safety switch of the speed limiter works or not should be ahead of the mechanism.3. the electric safety switch of the safety clamp is simultaneously operated with the clamp block of the safety clamp.4. whether the rotating pull rod is flexible or not jammed.5. car running up, the safety tongs block can automatically fall off.6. is the slope of the car less than 5%?.7. whether the connecting part of the speed limit rope is reliable and whether the U card is loose or not.8. the gap between the clamp block and the rail shall be adjusted evenly after the restoration.
1. floor entrance inspection card.2., elevator repair status, the car running to facilitate access to the bottom pit of the appropriate location.3., after closing all the layers of doors, the manual action speed limiter block blocks the pawl wheel of the speed limiter.4. elevator to overhaul speed down, at this time speed limiter action, first of all electrical safety switch action, motor power failure.5. short speed limiter, safety gear electrical safety switch circuit, continue to repair the speed of running down, then the mechanical linkage mechanism of action, safety gear wedge card on the rail, the elevator stopped running down. At this point, the traction rope skidded on the traction wheel and stopped running immediately.6. 、 the maintenance runs up and the safety clamps fall off. Restore speed limiter, mechanical mechanism and safety electric switch to remove short connection line.7. elevator repair running down, check whether the safety clamp block has been reset.8. check and repair the wear of the guide rail9. check the normal operation of the elevator10. record of test contents
