One,
air leg rock drill the general provisions of the drilling workers must undergo special training, after passing the examination, can hold a license to work.
Two,
air leg rock drill play the preparation of the present
1. Wind hammer service conditions: the wind pressure should be 0.4 ~ 0.6mpa, and the wind pressure should not be less than 0.4mpa; Water pressure should meet the requirements; Compressed air should be dry; Water should be soft and clean.
2. Before the operation, check the integrity and rotation of each part, check whether the wind road and waterway are intact and smooth, whether the connection joints are firm, whether the pneumatic drill parts are complete and whether the screws are tightened effectively, and add lubricating oil for test operation.
3. Compressed air is used to blow out water and debris in the air duct. Wind and water pipes shall not be wound or knotted, and shall not be crushed by various vehicles.
4. Check whether the drill rod is bent and whether the center hole is blocked. If the drill rod is bent or the center hole is blocked, it should be treated or replaced.
5. Check whether the drill bit is sharp, whether the alloy piece is defective or falling off, whether the water hole of the drill bit is blocked, unqualified solder should be replaced, and unqualified solder is prohibited to be used.
6. Check the security situation around the drilling site, and deal with the hidden dangers found in time.
7. In front of the working face, the roof support shall be inspected in detail for safety and integrity, and the working face shall be knocked for the roof, and the clean roof shall be found for the live coal and gangue blocks, and necessary treatment shall be made.
8. Hit the front of the eye, set the electrical equipment switch within a range of 10m to zero and lock it.
