1. The coal mining scraper conveyor is used to pull large parts of the tail of the machine with a column return winch. The column return winch is fixed by "two pressures and two locks", and its pressing columns are all supported by DZ35 or DZ31.5 single pillars, and the pillars are equipped with wooden pallets. After the pillars are supported, the pillars must be tied with anti-falling ropes. The diameter of the wire rope of the column return winch shall not be less than 21.5mm.
2. When the coal mining scraper conveyor is pulling large tail parts, no one is allowed to be directly under the large parts, on both sides of the winch and in the ropeway.
3. Before driving the coal mining scraper conveyor, check whether the scraper conveyor, signals and protection facilities are sensitive and reliable; send a special person within 5 meters of the obliquely below the large piece to observe the operation of the large piece, and notify the driver of the scraper conveyor to stop if there is a problem; observe; Personnel must avoid the direction where the force of the steel wire rope may rebound and be in the effective support space of the top beam of the support. When the pulling direction is shifted, the single pillar should be used to adjust in time. The column head of the pillar should be placed at a position that is not suitable for damage. When the single pillar is driven, the wooden pallets should be padded at the front and rear contacts of the pillar to prevent the pillar from slipping off and hurting people. The personnel of the injection gun should avoid the place where the pillar slipping may cause injury.
