Mechanical industry common illegal behavior and accident hidden danger

(I) General part

1. Disobey labor discipline, doze off, leave work without authorization, drink alcohol before or during work;

2. Fail to wear labor protection articles according to labor regulations before entering the post;

3. There are rotary cutting mechanical wearing gloves, long hair, work clothes of three (neckline, cuff, lower mouth) is not tightened, goggles are not worn well, with the hand directly pull the debris (with tools);

4. No warning signs are set in the fire suppression ground;

5. Smoking at work;

6. Entering key places or departments without permission in work;

7. Remove or change all kinds of safety devices, environmental protection facilities, testing instruments or warning signs at will;

8. The execution of the shift change system is not in place, and the place is not cleaned, the power is cut off, the doors and Windows are closed, and the fire is cleaned and extinguished before work;

9. Failure to take measures to prevent the expansion of an accident;

10. Failure to regularly maintain and overhaul mechanical and electrical equipment;

11. Safety instruments and instruments are not regularly verified or set;

12. Failing to set up safety marks according to state regulations;

13. The vehicle overspeeds, overloads or fails to bind the goods in accordance with relevant regulations to drive in the factory;

14. An accident occurs and the personnel on the scene fail to rescue immediately;

(two) anti-shock class

1. Non-electricians engaged in electrical work or do not have live work qualifications to carry out live work;

2. No monitoring system is implemented when power is stopped;

3. No warning sign is hung on the power side during power outage maintenance;

4. Use unqualified insulation tools, electrical safety appliances, measuring instruments and protective equipment;

5. Disassembly and repair of electrical equipment in operation;

6. The installed ground cable does not meet the standard;

7. Open the knife switch of power distribution box with load;

8. Thread is not wrapped with insulation tape;

9. The person in charge of the work leaves the work site without appointing competent personnel to replace him temporarily during the working period;

10. Use metal shell power tools, no leakage protector;

11. When carrying out lifting operation near live equipment, the safe distance (10KV and below ≥ 0.70m) is not enough or no monitoring;

12. Work in cable trench, bridge and large equipment without approval and without using safety voltage line lights or unsupervised;

13. The cover of the on-site electrical switching equipment is incomplete and the conductive part is exposed;

14. Electrical safety tools and insulation tools are not tested regularly according to regulations;

15. The ground wire and neutral wire are connected by winding method, instead of welding, crimping or bolted connection method;

16. The electric anti-misoperation locking device is not complete;

17. After the power equipment is dismantled, the live part is still left unprocessed;

18. Other violations of the regulations of electrical work.

(three) lifting operation

1. No operation certificate has been obtained for lifting operations;

2. The bridge crane driver works independently without passing the actual operation examination of the factory;

3. Inattention during operation, eating, reading newspaper, etc.;

4. Driving directly without checking before driving;

5. Making use of a crane or sling;

6. Failing to ring the bell and give a warning signal according to the regulations;

7. Directly use the fifth gear to quickly lift the lifting object;

8. Overspeed lifting;

9. When the object is driving on the safe passage, the height of the object above the ground exceeds 0.5m;

10. The lifting object does not travel according to the safe passage;

11. Use the stopper as a power off stop means, and start the operation of three institutions at the same time;

12. The command signal is not clear and illegally commands the lifting;

13. Overloading and lifting;

14. Not firmly bound and hoisted;

15. Pressure cylinders and explosive goods are hoisted;

16. The light is dark and unclear;

17. Objects with edges and corners are hoisted without anti-cutting measures;

18. Cable-stayed external hanging;

19. The crane driver fails to put all kinds of operating mechanisms back in place after finishing his work;

20. Cranes working in the open air have not taken measures to prevent blowing away by strong winds;

21. Do not understand the safety knowledge and operation skills on the job;

22. No test lifting is carried out before lifting;

23. When unloading the lifting object is not placed securely, it will fall off the hook and unload;

24. The Angle between the hanging ropes should be greater than 120°;

25. Failing to take measures to prevent the center of gravity from changing rapidly when the object is turned over;

26. When many people are tied up, no one is responsible for the command;

27. The body is placed under the lifting object after lifting or the lifting object is carried by hand;

28. When lifting, there are people on the safe passage and no warning signal is given or the passage personnel is told to leave;

29. Leaders of large equipment and parts are not present to carry out lifting operations;

30. People on the hanging object;

31. When engaged in double-hook and rollover lifting operations, the cable operator does not wear a safety helmet;

32. No leader supervises the operation of loading and unloading trucks such as equipment and workpieces on site;

33. Other violations of lifting operation regulations.

(four) electric gas welding operations

1. Do not obtain the operation qualification certificate to work on the post;

2. Protective equipment is not worn or not put on properly, and chemical fiber work clothes are worn on duty;

3. There are inflammable and explosive materials within 10m of the welding place (except for those taking isolation measures);

4. Use damaged equipment, facilities, utensils (such as pressure reducer, welding, cutting torch, tempering valve, etc.);

5. When arc welding the mechanical equipment, the protective connection of the equipment is not removed (protective grounding);

6. The welding operation must be carried out without the approval of dangerous operation and without taking special safety measures before the welding operation in the no-fire zone, in the metal container, on the metal structure and in the place prone to electric shock and other dangerous places;

7. The power cord and secondary output line of the welding machine do not meet the regulations;