How to prevent accidents caused by mining machinery injuries

The main causes of accidents causing mechanical injuries are:

1. Neglecting safety measures during maintenance, inspection of machinery, and handling of hidden dangers: Serious consequences have been caused by maintenance personnel entering equipment (ball mills, crushers, etc.) for maintenance, inspection operations, or handling of safety hazards without cutting off the power supply, hanging warning signs that prohibit closing, or setting up dedicated personnel for supervision. Accidents were also caused by misjudgment due to factors such as timed power switches or temporary power outages at that time. There are also cases where, although the equipment is powered off, work is carried out before the inertial operation of the equipment is completely stopped, resulting in serious consequences;

2. Lack of safety devices. If some mechanical transmission belts, gear machines, couplings close to the ground, pulleys, flywheels and other equipment parts that are prone to harm the human body do not have intact protective devices; Some equipment parts such as entry holes, feeding ports, and cage wells lack guardrails and cover plates, and there are no warning signs. If operators accidentally touch these parts, accidents can occur;

3. The layout of the power switch is unreasonable. One situation is not to stop immediately in case of an emergency; Another situation is that several mechanical switches are set together without distinguishing them, which can easily cause serious consequences due to accidental opening of the machinery;

4. Self made or arbitrarily modified mechanical equipment that does not meet safety requirements;

5. In running machinery, perform tasks such as cleaning, jamming, and applying belt wax (such as cleaning waste on running belts);

6. Unauthorized entry into hazardous work areas for mechanical operation (such as sampling, working, passing, picking, etc.);

7. Personnel without the ability to operate machinery or other unauthorized personnel tampering with machinery.

Preventive measures to prevent mechanical injury accidents:

1. The maintenance of machinery must strictly follow the system of power-off, hanging warning signs prohibiting closing, and assigning dedicated personnel for supervision. After the mechanical power is cut off, it must be confirmed that its inertia operation has been completely eliminated before starting work. After the mechanical maintenance is completed and before the trial operation, a detailed inspection of the site must be carried out to confirm that all personnel in the mechanical parts have been completely evacuated before the gate can be closed. During maintenance and testing, it is strictly prohibited for anyone to stay inside the equipment for vehicle counting;

2. Machinery that operators frequently touch with their hands must have a sound emergency brake device, and the position of the brake button must be such that the operator can reach it at any time within the range of mechanical operation; Each transmission part of mechanical equipment must have reliable protective devices; Each inlet, feeding port, screw conveyor and other equipment parts must have cover plates, guardrails and warning signs; Maintain a clean and hygienic working environment;

3. The layout of each mechanical switch must be reasonable and comply with two standards: first, it must be convenient for the operator to stop urgently; Secondly, to avoid accidentally activating other devices;

When cleaning up accumulated materials, poking stuck materials, and applying belt wax to machinery, the system of hanging warning signs when shutting down and cutting off power should be followed;

4. It is strictly prohibited for unrelated personnel to enter the mechanical operation site with high risk factors. If non mechanical operators must enter due to personal reasons, they must first contact the on duty mechanical operator and have safety measures in place before agreeing to enter;

5. Personnel operating various types of machinery must undergo professional training, be able to master the basic knowledge of the equipment's performance, pass the examination, and hold a certificate to work. During on-the-job work, it is necessary to operate carefully, strictly follow relevant rules and regulations, use labor protection equipment correctly, and strictly prohibit unlicensed personnel from operating mechanical equipment.

In order to further enhance the safety of mechanical operations, the following additional measures should be taken:

1. Regularly inspect and maintain mechanical equipment to ensure that all safety devices and protective facilities are in good condition, and promptly replace or repair damaged components;

2. Provide regular safety education and training to operators, strengthen safety awareness, and ensure that they understand and comply with operating procedures;

3. Set up clear safety warning signs in the mechanical operation area, such as danger zone warnings, operating procedures instructions, etc., to remind operators to pay attention to safety;

For complex mechanical operations, detailed operation manuals and emergency plans should be developed to respond quickly and effectively in emergency situations;

5. Establish and improve accident reporting and investigation mechanisms, thoroughly investigate every accident that occurs, analyze the causes, summarize lessons learned, and prevent similar accidents from happening again;

6. Encourage employees to propose safety improvement suggestions and reward the adopted suggestions to stimulate their enthusiasm for participating in safety management;

7. Install monitoring equipment in the mechanical operation area to monitor the work situation in real time, promptly detect and correct unsafe behaviors.

By implementing these comprehensive measures, the incidence of mechanical injury accidents can be greatly reduced, ensuring the safety and physical health of employees.