(1) Wire rope inspection shall be conducted in strict accordance with Articles 398, 399, 400, 40 1 and 402 of Coal Mine Safety Regulations. The intercepting length of the rope head to be inspected shall not be less than 1 and 5m, and the rope head shall be intercepted near the container end of the hanging rope in use. The length of rope head cut by heating method needs to be extended by 200 mm

⑵ The service life of friction wheel hoisting wire rope shall not exceed 2 years, and the service life of balance wire rope shall not exceed 4 years. If the wire rope is broken, its diameter is reduced and its corrosion degree does not exceed the provisions of Articles 405, 406 and 408 of the Coal Mine Safety Regulations, it can continue to be used, but it shall not exceed 1 year.

(3) The inspection and record of steel wire rope for hoisting must conform to the provisions of Article 404 of the Coal Mine Safety Regulations. The electromechanical district chief and the person in charge of the electromechanical management department review and sign the wire rope inspection record every ten days, and the electromechanical management department organizes an analysis and summary once a month, with analysis and summary data.

(4) When the inspection result of hoisting wire rope reaches the values specified in Articles 405, 406, 407 and 408 of the Coal Mine Safety Regulations, it must be replaced immediately. If the wire rope is subjected to violent impact and tension, it should be stopped immediately for inspection. If no new broken wire and shrinkage are found, it can be used continuously. If the service length of steel wire rope is increased by 0% or more than 5% than the original length due to sharp stress, a new rope should be replaced.

5] The length of the balance wire rope must be adapted to the overwinding height of the lifting container, and the balance wire rope should be prevented from being damaged when overwinding.

[6] The lifting device must have a tested spare wire rope. For the wire rope in use, it should be oiled at least once a month according to the mine conditions and corrosion. The steel wire rope of the friction wheel lifting device is only allowed to be dipped with special steel wire rope oil (increase friction grease), otherwise it may not be oiled, but the part that does not bypass the friction wheel must be coated with antirust oil.

Once the vertical shaft hoisting container and hoisting wire rope connection, wedge connection device should be adopted. Every time the wire rope is replaced, the main stress parts of the connecting device must be inspected by flaw detection, and it can only be used if it is qualified. Cumulative service life of wedge-shaped connecting device: single rope lifting shall not exceed 10 year; Multi-rope hoisting shall not exceed 15 years.

Being wire rope storage, should be coated with a layer of solid grease on the surface and put in storage, in case of corrosion.

Levies wire rope in the process of transportation, handling, shall not be bruised or squeezed.

⑽ Padded pulleys should be adopted for vertical shafts and inclined shafts, and inclined shaft track idlers should also be adopted.

Seven oil quality management

1. Strengthen the lubrication management of lifting equipment, establish a "five-fixed" lubrication system (fixed person, fixed quality, fixed quantity, fixed point and regular period) according to the characteristics and actual operation of each equipment, and keep oil change records.

2, hydraulic station oil change at least once a year, must be tested and sampled once every six months; Wear-resistant agent should be used for reducer lubricating oil, which must be sampled and tested once every six months and cleaned, filtered or replaced once every two years.

3. The lubricating oil agent can be put into storage only after it has passed the inspection, and it shall be properly kept and distributed quantitatively.

Eight major promotions

1. The lifting mode other than the normal "acceleration, constant speed, deceleration and stop" procedure is special lifting.

2, special promotion need to remove some protection or locking signal system some functions, should develop reliable safety measures, by the mine mechanical and electrical mine manager (deputy chief engineer) and safety supervision department head, chief engineer for approval before implementation.

3, special ascension, its speed should meet the following requirements

(1) Use cages to transport oil explosives, and the running speed shall not exceed 2m/s; When transporting other gunpowder, it shall not exceed 4m/s ... The driver shall not vibrate the lifting container when the hoist is running and stopping.

(2) When lifting special large equipment (articles) and long materials, its running speed should generally not exceed1m/s. ..

(3) The speed of manual rope inspection is generally not greater than 0 and 3m/s..

(4) When personnel need to stand on the top of the lifting container to repair shaft equipment or handle accidents, the running speed of the lifting container is generally 0, 3 ~ 0 and 5m/s. ..

4. When lifting or lowering an object that exceeds the normal load, it is necessary to recalculate the braking torque, check the safety factor of the wire rope, suspension or connecting device, and formulate safety technical measures after meeting the requirements, which can be implemented only after being approved by the mine electromechanical manager (deputy chief engineer), the head of the safety supervision department and the chief engineer. When it is necessary to adjust the braking system, the mechanical and electrical work area shall designate a special person for on-site command, and the mechanical and electrical management department shall send someone for on-site monitoring, and it shall be restored in time after lifting. For the hoisting and transportation of equipment with super-long size and weight, the simulation test with the same weight load and size should be carried out in advance.

5, special promotion must be carried out is the driver's operation, vice driver monitoring system.

Nine lifting system maintenance work

1, each mine should carry out regular maintenance in a planned way according to the operating characteristics and state of each hoisting system.

2. Before maintenance, the "maintenance task book", maintenance quality standards, safety technical measures, labor organization, construction network diagram and construction progress diagram should be carefully compiled, and all maintenance personnel should be organized to learn.

3, each maintenance task should appoint someone who's in charge, when multiple units in the same place are working at the same time, it must be clear that the unified command of the person, and a clear division of labor, major maintenance projects should be set up maintenance command group.

4, maintenance plan time should include the provisions of the commissioning time. After maintenance, detailed records must be kept, mainly including the changes of technical parameters of the repaired parts and their reasons, and charts should be attached to form a formal report and keep it for future reference.

5. The daily maintenance of the hoisting system shall ensure 2 ~ 4 hours of inspection and maintenance time every day. The annual shutdown and maintenance days shall not be less than 12 days.

Operation and maintenance of hoisting system

1, according to the equipment performance and operation characteristics of each hoist, formulate technical operation procedures, so as to achieve comprehensive content, clear procedures and conform to the actual situation.

2, the driver must be trained, familiar with the equipment structure, performance, technical characteristics, action principle, master the relevant provisions of the "coal mine safety regulations" and garage rules and regulations, and after passing the examination to obtain a certificate, show certificates.

3, improve the maintenance system, wire rope inspector must go through professional and technical training, show certificates after passing the exam.

4, improve the system maintenance focus on the following work.

(1) Equipment maintenance must establish a package mechanism and clarify the responsibilities of package personnel.

⑵ Regularly check and test all kinds of protection devices and safety facilities to be sensitive and reliable.

(3) According to the actual situation of each hoist, do a good job of "three modernizations", that is, institutionalize the maintenance inspection period, normalize the maintenance content and technicalize the maintenance procedure.

(4) Carefully compile various rules, regulations and standards related to the use and maintenance of equipment, organize maintenance personnel to learn professional knowledge such as the structure, performance, use, maintenance and safety technology of equipment, master the provisions of the Coal Mine Safety Regulations, the maintenance standards of electromechanical equipment and the integrity standards of electromechanical equipment related to the hoisting system, and conduct theoretical and operational examinations.

5] Keep inspection records, including inspection items, time and handling opinions when problems are found. The technical director of the electromechanical team should check and sign it every month.

(eleven) improve the system technical data management.

Improve the technical files to achieve the first grade.

1, technical data archiving details

(1) The original design, installation drawing (installation and commissioning acceptance sheet) and instructions of the winch.

(2) Equipment transformation and installation drawing

(3) Structure diagram and system diagram of the braking device

(4) Vulnerable parts drawing

5] Electrical schematic diagram and wiring diagram

[6] Add protection installation diagram and control diagram.

Primary lifting signal diagram

Being wellbore device diagram and layout (including derrick and bottom hole layout)

Levies wire rope factory certificate, test report and update records.

⑽ Anti-falling device test report

⑾ Technical measurement, setting and analysis report

⑿ Check the braking torque data.

[13] inspection report

[14] lifting equipment annual inspection report and monthly shutdown maintenance records (including the measured quantity

According to, parts replacement)

⒂ Analysis Report on Major and Above Electromechanical Accidents

Has displayed the economic operation analysis report, operation unit consumption.

⒄ coal mine product safety signs related information.

2, each lifting system must establish the following system.

(1) Management system of key places (hanging at the door)

(2) post responsibility system, chartered car system (hanging in the machine room), bell man and hook man post responsibility system (hanging at the wellhead and bottom of the well)

(3) Succession system (hanging in the machine room)

(4) Appointment system of leading cadres (hanging in the computer room)

5] operating procedures (machine room hanging)

[6] Safety protection device daily inspection and test system

Once the equipment regular maintenance system.

Being equipment patrol inspection system

3. Each lifting system shall have the following records.

(1) Daily maintenance inspection records (kept in the computer room)

2 electrical protection day test record (stored in the computer room)

(3) Daily inspection record of wire rope (stored in the computer room)

(4) Succession and operation log records (kept in the computer room)

5] cadre mount guard record (kept in the computer room)

[6] Records of wellhead operating equipment, safety door locking and signal test (kept by the team)

Once the foreign personnel registration records (computer room custody)

Being ascension system accident records (computer room storage)

Levies equipment maintenance records (kept in the computer room)

⑽ Wire rope test and replacement record (archive)

4. Each lifting system shall hang the following drawings in the machine room.

(1) Brake System Diagram

⑵ Electrical schematic diagram

(3) Equipment layout

(4) Touring inspection chart

5] winch assembly drawing and technical feature card

(12) spare parts management of hoisting system

1, implement classified management, and establish account management for special parts required by equipment.

2. Do a good job in acceptance, warehousing, storage and maintenance of spare parts.

3. Establish a core recycling system, do a good job in core repair and reuse, and submit the repaired spare parts to the spare parts warehouse for separate registration.