(1) Wire rope: The rope end consolidation condition and number of turns of the wire rope, as well as its selection, installation and lubrication. In addition, defects and problems must be checked.

(2) Crawler traveling system: mainly includes the conditions of crawler tracks, pile driver pipes, pallets and hook pipe systems, as well as sleeper laying, etc.

(3) Pulley system: mainly includes the condition of the pulley body and the anti-skipping device of the transition pulley.

During our daily use of crawler drilling rigs, we should check and replace the above components at any time to improve the efficiency of the drilling rig, increase the service life of the drilling rig, and reduce costs.