Tensioning and buffering device of telescopic arm pressurization system

The utility model discloses a tensioning and buffering device of a telescopic arm pressurization system, which comprises a telescopic arm rod B and a telescopic arm rod A which are matched with each other, pulley yokes are arranged on the telescopic arm rod A, a hoisting oil cylinder is arranged between the two pulley yokes, a pressurization pulley yoke is arranged on the telescopic arm rod A, and a hoisting oil cylinder is arranged between the two pulley yokes. A pressurizing and tensioning device is arranged on the pressurizing pulley yoke on the upper surface of the telescopic arm A rod; the device is simple in structure, detachable, convenient to maintain, low in cost and high in feasibility, the construction stability of the pressurizing telescopic arm is improved, impact is reduced, the risk is reduced, the time and labor cost of manual pre-tightening for disassembling the steel wire rope are saved, and the working efficiency is improved. 本实用新型公开了一种伸缩臂加压系统的张紧及缓冲装置，包括相互配合的伸缩臂B杆和伸缩臂A杆，所述伸缩臂A杆上设有滑轮架，两个所述滑轮