Safety technical measures for the most popular tem

2022-09-22
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Safety technical measures for temporarily changing the rope to hang the tank

after the upper and lower parts of the temporarily changing the winch shaft are installed and the hoist is overhauled, the rope hanging cage and skip work are carried out. This measure is specially prepared for safe and efficient construction

the project mainly includes the following items:

1) installation of suspension and lifting steel wire rope

2) installation of suspension pipeline and cable

3) installation of cage and skip

4) rope adjustment

5) installation of upper and lower safety doors in the shaft and track laying in the shaft

MCV1 , It is proposed to adopt the mixed lifting and twisting method of 2jkz-4 2.65/15 hoist with 2 9t skip and 2jk-3.5/20 hoist with 1.5T double-layer two car cage lifting. The main hoisting steel wire rope adopts 2 steel wire ropes with the model of 187+fc-, and the auxiliary hoisting steel wire rope adopts 2 steel wire ropes with the model of 187+fc-

this safety technical measure is based on the construction organization design data of Hongqinghe air shaft, the construction organization design drawings of Hongqinghe 1# air shaft temporary re stranding, and the 2011 version of coal mine safety regulations, operating regulations, and coal mine installation engineering quality inspection and evaluation standards MT 7, which is a version of reducing all non productive expenses

before the commencement of the project, carry out technical preparation according to the requirements, organize professional technicians to conduct drawing self-examination, and prepare and submit the safety technical measures for this construction for approval according to the procedures. Prepare various technical data and forms

make technical disclosure to technicians, managers and construction personnel before construction

specifically includes:

1 Organize professional technicians to conduct self-examination of drawings

2. Organize construction personnel to learn relevant technical standards, read drawings and relevant materials, and master relevant technical essentials

3. Prepare technical measures for construction safety, and organize construction personnel to carry out study and master construction essentials

4. Check the relevant technical parameters in this construction

5. Prepare all kinds of construction equipment, tools and materials according to the construction needs

1. Comprehensively clean the site and carry out civilized construction

2. Hang various rules and regulations, quality standards and records, and prepare various charts for construction

3. Arrange fire-fighting equipment on site according to the fire-fighting requirements, arrange temporary lighting and temporary construction with

power panels, and hang power signs

before entering the construction site, the project department shall organize and prepare the construction equipment, machines and tools, materials, measuring instruments and personnel according to the requirements of the construction plan; The construction personnel shall be trained to ensure the balanced construction of the project in accordance with the requirements of the contract

before mobilization, according to the requirements of the quality system procedure documents, prepare the equipment, tools and materials for construction, and complete the inspection, measurement, testing instruments and test instruments of construction equipment, tools and materials. These preparation work pieces are the premise of doing a good job in the installation project. Any improper preparation and disconnection of supply will cause downtime and affect the construction period

1. preparation of construction equipment

construction equipment includes stable vehicle and its electric control, crane, pulley, crown wheel, suspension crown wheel, gas welding equipment (oxygen cylinder, acetylene cylinder, welding tool, cutting tool), electric welding machine, portable drill, portable grinding wheel, self-healing polymer material as an intelligent material machine, etc

2. tools and cutting tools

tools and cutting tools include large and small hammers, wood hammers, all kinds of shovels (flat and sharp), scratch gauges, scratch needles, eye punches, hand saw bows, all kinds of movable handles, sleeve handles, bench vises, screwdrivers, iron brushes, all kinds of rope sleeves, crowbars, all kinds of drills, all kinds of files, etc

3. Material preparation

various screws and wire rope clamps for construction

1. Place the guide pulley above the steel wire rope to be placed

2. Then use the stable car to put the pre threaded steel wire rope at the bottom of the well through the guide pulley. When lowering, the steel wire rope is lowered and installed with a 50kg cone Tuo, which is clamped at the lower part of the chicken heart ring with a 12.5mm steel wire rope

3. Root the root of suspension wire rope on the rooting platform of stable rope

4. Slowly hoist the placed steel wire rope on the wellhead jacket

5. After the slow lifting, use chain block to slowly lift the suspension wire rope to the specified position

6. After the brake rope is hoisted slowly, use a 50t crane to pull the tensioning screw of the brake rope into the fixed seat

7. Pipelines and cables shall be suspended and lowered with a stable car, and a single pipe at the wellhead shall be lifted with an internal gear winch. The diameter of steel wire rope used for lifting pipes by internal gear winch shall not be less than 12mm. The connection between rope head and pipe shall be firm and reliable

8. The cable is also lowered by steel wire rope through the stable vehicle

9. After suspending the steel wire rope at the designated position, transport the auxiliary hook cage to the appropriate position at the wellhead

10. The important elements of connecting the auxiliary hook cage with the hook head device include: the original page document, URL and title, number, the collection of important keywords contained and the orientation information they appear in the document, and other target connections. When connecting, the pin should be pushed in place, the nut should be put on, the cotter pin should be put on, or the back cap should be put on

11. Use a loader to retain the cage on the auxiliary hook cage. At this time, slowly lift the auxiliary hook cage, keep the rope close to the front until the cage enters the wellhead, remove the rope, loosen the cage to a suitable position and print the report: if the test results need to be printed, install the tank ear (sliding sleeve) and catcher

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