Technical measures for safety of trains in transportation lanes

I. Preparation before construction

1. Check the support conditions along the transportation line and the integrity of the transportation system.

2. In advance, a JSDB-13 winch will be transported by the transport team to the 2103 transport lane (2105 back to the intersection of the wind and the lane).

3. Straighten out the special cable and pipeline.

4, in advance to the Ministry of Electrical and Mechanical Services for power outages.

5. Prepare the tools needed for construction (5T chain guide, rail tracker, shaker, etc.).

Second, the construction plan

1. Use the guide chain to move the JSDB-13 winch at the intersection of 2103 transport lanes (2105 return air connecting lane) to the 2103 transport lane and the intersection of a mining area and the top of the mountain. The pedestrian lane is stabilized by four pressures and two turns. .

2. Before the winch passes through the two dampers of the 2103 transport lane, the slopes are used at the damper steps by wood or brick to facilitate the winch. Before the winch passes through the 2# belt in the mining area, the belt H frame, the belt rod and the human bridge that are affected by the belt are removed, and the guide chain is fixed on the frame beam. The belt surface is lifted by about 1.5m to ensure smooth passage. After the winch passes Restore.

3. Remove the 2105 transport lane belt motor reducer and place it in the lane to avoid affecting pedestrians and driving positions.

3.1. Before the motor is dismantled, it must be powered off, inspected and discharged. After confirming the error, the reducer can be disassembled. The guide chain will be used to pre-lift the removed equipment before the connecting bolts are removed. When the last screw is removed, the personnel must not stand. In the direction of the device sliding down, slowly remove the guide chain and put the device to the ground after removal.

3.2. When installing the motor and reducer, use the guide chain to lift the equipment. When installing the screws, the personnel must not stand in the direction of the equipment slipping. When docking, many people cooperate to push the position of the motor or reducer, and adjust to the appropriate position. Screw the fixing bolts on, tighten them all, and then tighten them thoroughly. After tightening, loosen the guide chain.

4. The position of the 2# belt 2105 transport lane in the mining area will affect the nail passage and the belt passing through the vehicle. It will be placed nearby without affecting the driving lane.

5. Drag the JSDB-13 in the 2105 transport lane to a mining area to transport the mountain (2105 transport lane to the side). The winch is stable indoors.

6. Connect the 2# belt conveyor head and tail winch signals in a mining area in series.

7. In the 2105 transportation lane and the first mining area, the nail bends at the intersection of the mountain, and the 2105 transportation lane and the first mining area are transported to the mountain rail.

8. According to the requirements, the central substation will open the power outage of the 2105 fully mechanized mining face, shake out the isolation trolley, and hang the “man-made, no closing” sign.

9. Disconnect the switches on the shift and special trains, and separate the shifts, switches and pump stations. Disconnect the load side cables and install the high-voltage side cables.

10. Remove all grounding poles and remove the pipelines that affect transportation.

11. According to the order of electric trains, the two JSDB-13 two-speed winch relays of the uphill mountain are transported one by one to the end of the uphill track of a mining area. After the vehicle stops, the two-track rails are set up in time. Connect the hard connections between the vehicles.

12. Pull the train in place in turn, and restore the switch, equipment connection lines, water pipes, emulsion lines, etc. after the equipment is in place, and re-set the grounding pole.

13. Power on trial operation, find problems in time, and resume normal operation.

14. After the vehicle is in place, the 2105 transport lane belt motor and reducer will be restored to their original state, and the 2# belt of the mining area will be restored to its original state.

15. When a JSDB-13 winch in the mining area of ​​the 2103 transportation lane of Shangshan District affects pedestrians, it shall be dismantled and placed in the 3# contact laneway lane to help the pedestrian position.

16. Civilized production and compliance.

Third, equipment train weight list

Car number

Device name

Weight (T)

Car number

Device name

Weight (T)

1#

Cable car

0.5

8#

Clear water tank

1.0

2#

KBSGZY-630-10/1140 (660) shift

5.6

9#

Spray pump

0.83

3#

KBSGZY-630-10/1140 (660) shift

5.6

10#

Spray pump

0.83

4#

QJZ-315 switch

0.25

11#

Cable car

0.5

QJZ-315 switch

0.25

12#

Cable car

0.5

5#

Emulsion tank

1.2

13#

QJZ-1600/1140(660)-6

3.5

6#

Emulsion pump

2.58

14#

QJZ-315 switch

0.25

7#

Emulsion pump

2.58

Fourth, JSDB-13 two-speed winch lifting capacity calculation:

Winch check

Numbering

Winch model

Power (KW)

Rope diameter

(mm)

Traction length (m)

fixed

the way

place of use

slope

1-07#

JSDB-13

twenty two

21.5

100

Four pressures

A mining area transports uphill winch

3° maximum

1-08#

JSDB-13

twenty two

21.5

200

Four pressures

A mining area transports up the mountain 2103 transportation lane

Up to 13°

The wire rope is 6*19 strands (1+6+12) rope fiber core, and the winch check is as follows:

Diameter (mm)

Reference mass (kg/m)

Wire rope breaking force sum N (not less than)

Nominal tensile strength (N/mm2)

21.5

1.658

298000

1700

1-08#JSDB-13

21.5mm

Rope) winch check

pull up

Among them: - safety factor

——The sum of the breaking force of the wire rope, take 298000N

——The maximum weight of a single column, take 5600kg

——Maximum slope, take 13°

——The weight of each wire rope is 1.658kg/m

——Winding length of winch, take 200m

——The resistance coefficient of the vehicle during exercise, take 0.015

——The resistance coefficient of the wire rope when moving, take 0.2

Substituting the above data into the formula:

M≈20.5>6.5

Experience operator safety factor greater than "Coal Mine Safety Regulations" specified value, it is safe and reliable.

Motor power check:

Among them: - motor power

——Steel wire static tension (N)

——Maximum speed of winch, take 0.162m/s

——Motor spare coefficient, take 1.1

——Motor efficiency, take 0.85

Page 2 / (2 pages) Substituting the above data into the formula:

N≈3.0KW<22KW

After calculating the JSDB-13 winch motor power meets the requirements, of which 22KW is the winch motor power.

Because 1-08# and 1-07# winch models and wire rope diameters are the same, and 1-08# winch traction slope and length are greater than 1-07# winch, 1-07# winch can meet the lifting requirements, no longer re- Check calculation.

, number of trailers: each hook

1 car.

V. Safety technical measures

(1) Technical measures for the safety of electric equipment trains:

1. Before construction, all construction personnel must carefully study this measure before they can hold the certificate. The work will be detailed before the class, and the division of labor and responsibility should be clear.

2. The electromechanical captain shall supervise the operation at the scene, and other personnel must obey the command arrangement.

3. Before the construction, the team will go to the electromechanical department to go through the power outage procedure. Power is stopped as required, and live working is strictly prohibited.

4. Strictly implement the system of “who has power cuts, who sends power” and “blackouts, electricity inspections, and discharges”.

5. Before pulling, arrange the pipelines on the equipment train to ensure that the pipeline is not pulled when pulling.

6. Before starting work, check whether the various tools required for the work meet the construction requirements, and confirm that they are correct before they can be put into use.

7, the small winch driver must be certified to work.

8. Check the wire rope and hook head, pin connection and winch stability before driving.

9. Strictly implement the system of “Pedestrians do not drive, no pedestrians, no homework” during transportation.

10. Sound and light signals and communication systems in the work area must be kept open.

11. During the construction period, a special person shall be set up at the head of the 2105 transport lane transfer machine, and a picking area transporting Shangshan 2# belt head. During the transportation period, personnel are strictly prohibited from entering the construction site.

12. Picking up the hooks must be carried out after the equipment is stopped. During the transportation, the hook workers should be evacuated to a safe place, and the winch driver is not allowed to work part-time picking work.

13. When transporting equipment, the operators must do self-protection, mutual insurance, and joint guarantee work, and must not damage the equipment.

13. The winch driver must concentrate on the signal and listen to the signal slowly (the slow speed must be used when the winch pulls the device). Pay attention to the pull of the train at any time, find an abnormality, and immediately stop the treatment.

14. The winch driver should always observe the operation of the winch. No one is allowed in the ropeway. The vehicle should not be engaged in any operation and personnel staying in the direction of the vehicle.

15. If there are any problems in the pipeline or equipment that are stuck or hung, it must be stopped in time. It is strictly forbidden to pull hard and damage the pipeline equipment.

16. After the vehicle stops, the two-track rail tracker will be installed in time, and the anti-collision wood will be padded to secure the vehicle.

17. After the equipment train is in place, the electromechanical team leader is responsible for restoring the grounding pole of the equipment train and related work, so as to prevent the electrical equipment from detonating. After the end of the pull, check each wiring, pipeline, etc., ensure that the power can be sent safely, and start the test run.

18, equipment layout to ensure that the inspection distance is left to ensure normal maintenance.

19. After the train is in place, check the wiring and remote resistance to prevent the terminal from being damaged.

20. Other relevant regulations in the “Procedures for the Mining Work of 2105 Fully Mechanized Faces” shall be strictly implemented.

(II) Technical measures for the safety of the belts

1. Before the operation, the squad leader and the inspector must carefully check all the construction equipment and equipment, and do not use the diseased tools.

2. Disassemble the tensioning device before dismantling the main mining area 2# belt, so that the belt is in a slack state, power off the belt conveyor and tighten the winch power supply, and remove the belt shuttle bar at the selected position.

3. When removing the 2105 transport lane motor and reducer, strictly implement the system of “blackout, power inspection and discharge”.

4. Select the 2# belt in the mining area that needs to be dismantled, remove the shuttle bar, and drag the tape to a mining area to transport the uphill 2105 transportation lanes upwards without affecting the stacking of the driving sections.

5. Place the removed H frame, belt rod and idler on the lane to avoid affecting the driving section.

6. Before removing the motor and reducer, use the guide chain to pre-lift the removed parts, and then remove the positioning bolts. During the removal, the body parts of the personnel are strictly prohibited under the parts to be removed. Before installing the motor and reducer, the guide chain will be used to pre-lift the removed parts. During this period, the body part of the personnel is strictly prohibited under the removed parts. Place a slip and hurt people.

7. During the installation of the recovery belt, the shuttle bar should be docked and the belt rod pin must be nailed.

(3) Safety measures for manual lifting

1. Before transporting materials and equipment, you must select a good route and confirm that the line is clear and the support is good before you can carry it.

2. When you are on the shoulder, one person goes first and the other person goes up; when you lower your shoulder, one person puts one head down first, the other person throws the other head off his shoulder, or both of them drop from the shoulder at the same time.

3. Before throwing objects from your shoulders, make sure that there are no people staying or working in the area of ​​the placement, and that the objects that are thrown up can not hurt yourself and others.

4, in the process of lifting, the two must be shoulder-to-shoulder, consistent pace.

5. During the lifting process, both hands should leave at least 200mm on both ends of the object.

6. When transporting large equipment (motor, reducer, belt conveyor tail roll, belt hard frame, switch, etc.), the height of the equipment from the ground shall not exceed 500mm.

7. Many people carry the equipment for transportation. The site is supervised by a special person. The person who carries the transportation must do self-protection and mutual protection. When carrying the transportation, it is equipped with reasonable personnel. The weight per person is not more than 80kg.

8, when the lifting transportation equipment, the worker should cooperate with each other, to lift only the tool must be strong and firm, as used lift lever is 3m long connection quality brake rod tube, or not less than 1200mm × 150mm × 50mm and a double-stranded 10 # lead wire firmly tied .

9, multi-person transport equipment should be with the same slogan.

10, multi-person lifting equipment, the height of the same squatting workers should be roughly the same, the physical strength should be roughly equal.

(4) Safety measures for nail road safety

1. Prepare tools, tools and materials for the removal and laying of rails before construction.

2. Before pulling the bottom and nailing the road, first check the support condition of the roadway first, and confirm the safety before proceeding.

3. The transportation from the rail surface to the net height below the shed beam reaches 2.0 meters. The wind tunnel is used to ensure that the net height below the rail surface to the shed beam is not less than 2.0 meters.

4. The model of the nail track is 24kg/m.

5. When arranging the track and laying the track, it must be supervised by the unified commander and full-time security officer with the class leader.

6. After laying the track, use the vermiculite to tamping the track bed tightly, and set the curve gauge pull rod at the corner. When the curve is at the bend, the outer diameter of the bend should be higher than the inner diameter of the bend. The road at the corner should be properly encrypted. During the excavation, the camber should be measured. One end of the curve bender is gradually bent to the other end, and the joint is to be flat.

7. The sleepers are arranged neatly and in parallel to maintain a straight line. The centerline of the sleeper is perpendicular to the centerline of the track. The specifications and strength of the sleeper must meet the design requirements and specifications.

8. The spacing of the sleepers is 600mm. The difference between the sleeper spacings must not exceed the specified positive and negative 50mm.

9. The two rail joints in the straight section are butt jointed. The relative error error should not be greater than 50mm. The curved section rails should be misconnected, and the relative offset is one-half of the rail length.

10. The track pitch is 600mm, the allowable deviation is no more than 5mm, and the negative is not more than 2mm.

11. The clearance of the track joints shall not exceed 5mm, and the difference between the height and the internal error of the two rail joints shall not exceed 2mm.

12. The sleeper requires no failure at the joint. In other places, there are no more than three consecutive failures. When flooding the sleeper, according to the site conditions, it should not be lower than 2/3 of the sleeper, no higher than the pillow, and no floating pillow.

13. The sleeper should be laid on the solid foundation or compacted.

14. When carrying the roads, ask the staff to coordinate their actions and listen to the command in order to prevent the track from slipping and hurting people.

15. The nail road must be completed by at least two people. One person nails the road. One person uses a crowbar to pad the road. When nailing the road, first fix one side rail, then place the rail ruler at right angle to the rail surface, adjust and fix the other. Side rails, no less than 4 spikes per sleeper, the spikes should be in a figure-eight shape, each side of the sleeper should be staggered before and after the side nails, the two sides should be symmetrical, and tightened to meet the gauge requirements.

16. When nailing, the two should concentrate, coordinate and cooperate to prevent accidental injury to their hands and feet. When the nail is nailed, the position is selected first. One person's butt nail is gently tapped by one person, and the nail is basically fixed. Then the nailing personnel are evacuated, and the nailing personnel forcefully tighten it to prevent the nail from being injured when the nail is broken or The spike splash hits the wound.

Sixth, evacuation route

1. Routes for evacuation when the work surface is flooded:

2105 transportation lane → one mining area transportation uphill → main leveling → ground

2. When coal dust, gas explosion and fire occur on the working face, all personnel quickly wear the self-rescuer to retreat along the following evacuation route:

2105 transportation lane → one mining area transportation uphill → main leveling → ground

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