Gin pole for track crane

The utility model relates to a gin pole for a caterpillar crane, which belongs to the caterpillar crane. One end above a crane host is connected with the gin pole, the top of the gin pole is connected with an amplitude variable pulley block, wherein, the middle of which is connected with a guide sheave which is connected with a hoisting steel rope, one end of the hoisting steel rope is connected with a hoisting winding engine, and the other end of the hoisting steel rope is connected with a connecting hook. The utility model has artful structure, simple structure, convenient operation, low labor intensity high efficiency and low cost. The utility model not only improves the stress case of an arm support, but also can realize self disassembly and assembly.