As is known to all, single prop has been frequently used in the coal mine industry, follow small make up for the use of glass fiber reinforced plastic single prop safety technical measures to find out!
Safety measures for use of FRP single hydraulic prop:
1. The props are fiberglass reinforced plastic materials. It is strictly prohibited to fall, smash, knock or hit during transportation and use.
2. In the process of transportation and when laying in the roadway, the live column must be lowered to a low position to prevent damage to the prop.
3. Strengthen the management of working fluid. When transporting emulsified oil underground, special containers must be used. The concentration of emulsion should be checked once per shift.
4, before the use of the hydraulic gun, to carefully check the various parts of the gun: connection pipe, u-pin, and the hydraulic gun and three valve connection ring in place, not to use intact; The high pressure pipeline connected to the hydraulic gun must be equipped with a stop valve; Gun muzzle is strictly prohibited in the use of people.
5. Before the use of FRP single hydraulic prop, it is necessary to check whether the three-use valve is tight and whether all parts are intact. Rinse the oil-filling body with the injection gun and clean the nozzle to prevent the coal powder from directly entering the prop cavity, otherwise it is not allowed to be used.
6. When there is a crushing column, it shall take measures such as lifting the top or undercover to deal with it.
7. After the use of the nozzle, it should be hung on the prop. It is strictly prohibited to throw or knock hard objects with the nozzle.
8. Complete the management ledger of single prop underground, and make a detailed record of the date of use, quantity, model, replacement parts, technical performance measurement of prop, decline of working resistance, shrinkage of live column and other materials.
9. Matters not covered in this measure shall be strictly implemented in accordance with relevant safety operation rules.
