1. Check the main structural conditions of the drilling rig, structural connecting bolts, structural connecting pins, welding seams of various structural parts, hanging basket structure and safety protection conditions, especially before entering the site for use, should invite qualified units to The safety performance is tested, and it can be used only after passing the test;
2. Regularly check the condition of various power heads, working cylinders, drill bits and drill pipes;
3. Regularly check the hoist's reel anti-wire rope falling-off device and the height of the edges on both sides, the condition of the reel wall, and the number of cycles of the tail of the wire rope on the reel, especially the condition of the brake port. The key items should be checked at any time. ;
4. The inspection of the electrical system, the main inspection items are: special electric box setting and short-circuit protection and leakage protection device, emergency power-off switch, electric box shock-absorbing device, fixing of cables on working devices, lighting lines, and grounding wires are strictly prohibited. flow zero line, etc.;
