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用履带式吊管机进行长线管道吊装作业时,需采用多台吊管机同时起吊。吊管机的驻车制动对保证吊管作业安全非常关键,特别是在起吊大型长线管道且在有坡度的施工现场进行吊管作业时,其作用显得尤为重要。吊管机的驻车制动器为浮动带式液压助力结构,制动器浸泡在油液中。踏下制动踏板后,操纵制动器闭锁杆将制动踏板锁紧,即可使吊管机实现驻车制动。
Crawler pipelayer for long-line pipe hoisting operations, the need to use more than one pipelayer at the same time lifting. The parking brake of the pipelayer is very important to ensure the safety of the pipelayer. Especially when lifting large long-distance pipelines and carrying pipe-suspending pipelines on a sloped construction site, its function is very important. The parking brake of the pipelayer is a floating belt type hydraulic booster structure, and the brake is immersed in the oil. After depressing the brake pedal, the brake lever is manipulated to lock the brake pedal to enable the crane to achieve parking brake.