TORQUE CONTROL METHOD FOR CRAWLER CRANE INSTALLATION, DEVICE THEREFOR AND CRAWLER CRANE

摘要

Disclosed are a torque control method for crawler crane installation, a device therefor and a crawler crane. The torque control method for installation comprises: obtaining a tilting moment and hoisting load of a crawler crane when it is being installed; comparing the tilting moment with a preset maximum stable moment; and comparing the hoisting load with a preset maximum hoisting load, and outputting different prompt messages according to the comparison results. The torque control device for the crawler crane installation comprises: an angular position sensor (6) provided on a main arm mast (5) of the crawler crane, used for collecting angle data of the main arm mast (5); a lifting wire rope tension sensor (7) provided on the top of a lifting wire rope (4) of the crawler crane, used for collecting tensile data of the lifting wire rope (4); or a load sensor (9) provided on a lifting cylinder (8), used for collecting data on the pressure of the lifting cylinder (8); and a central controller (1) for processing the collected data. Using the control method or device can ensure moment safety when hoisting, and also can enable the mast to have a larger safe working range when hoisting a light load.