What are the hazards of machine maintenance and how to prevent them?

First, the risk factors existing in the operation process of mechanical maintenance workers

1, scald 2, mechanical injury 3, crush injury 4, falling from a height, falling objects 5, oil pollution

Second, the mechanical repairman safety protection measures in the process of operation

1, mechanical maintenance workers must master the operation skills of this position and be familiar with the safety operation specifications.

2, mechanical maintenance workers, at work, must wear labor protection articles corresponding to the work.

3. It is forbidden for mechanical maintenance workers to work after drinking or fatigue.

4, it is forbidden to mechanical maintenance workers don't listen to the command, risky operation, illegal operation.

5, mechanical maintenance and operation at the same time, must by the specialist command, coordinated operation.

6, electrical equipment for maintenance of mechanical failure, must cut off the power supply, and hold people guard.

7, mechanical and electrical failure, must be handled by a professional electrician.

8. When repairing an overheated machine, the detachable parts and oil and water must be discharged after the machine is cooled.

9, remove the body, you must check whether the support point is safe and reliable.

10. Before hoisting, check whether the lifting rope is overloaded, whether the suspension is correct, and whether there are tools or parts that are easy to fall off at the hoisting part.

1 1. When working under the machine, the parts temporarily stored above the machine or the removed tools must be prevented from falling and injuring people.

12. When working above the machine, you must wear anti-slip shoes with soft soles to prevent slipping on the machine. When working on mechanical equipment higher than 2m, please wear a safety belt if there is no guardrail.

/kloc-the workbench operated by more than 0/3 people should be provided with a protective net in the middle, staggered in the opposite direction.

14. Cleaning oil, grease, waste oil residue, waste oil and cotton yarn must not be thrown around, and must be stored in a designated place.

15, flat shovel, punch and other tails are not allowed to be quenched; When curling cracks appear, they should be handled in time; When picking up and shoveling workpieces, it is necessary to prevent iron filings from splashing and hurting people; Adjustable wrench does not allow reverse use; Gloves are not allowed to be worn when hitting a sledgehammer; No one is allowed to turn the sledgehammer.

16. When working with a vice, it shall be clamped firmly, and the clamped workpiece shall not exceed two thirds of the maximum stroke of the jaw. Mechanical disintegration should use brackets, which should be padded and fastened with rotating mechanism.

17, repair machinery should choose a flat and solid location, with solid support. When using the jack, it must be fixed with an upright cushion.

18, it is not allowed to operate under a moving vehicle. During the air test run, it is forbidden to work or check under the car and stand in front of the car.

19. Before overhauling the machinery, the power supply must be cut off, the switch box must be locked, and a sign saying "Overhauling is under way, closing and starting is prohibited" should be hung. Non-maintenance personnel shall not start or rotate. During maintenance, it is not allowed to put your hand into the gear box or use your fingers to find the right hole.

20, it is strictly prohibited to turn off the power supply, maintenance of mechanical equipment or machines.

2 1, equipment maintenance should be connected to zero ground first, and then to power supply. Before zero grounding, it is forbidden to send power for trial operation.

Pay attention to all kinds of instruments and sounds at any time during the trial operation, and stop immediately if any abnormal situation is found.

23, according to the construction environment, the situation of the construction site is different, other safety precautions.