The invention provides a tower crane rotation hydraulic control system and method and a tower crane, the system comprises a hydraulic control pilot handle, a damping adjusting device, a limiting electromagnetic valve and a control terminal, the input end of the hydraulic control pilot handle is communicated with a pilot oil source, and the output end of the hydraulic control pilot handle is connected with one end of the damping adjusting device through an oil pipe; the damping adjusting device is used for limiting the oil inlet and return speed of a pilot oil source and weakening the increasing and decreasing speed of pilot oil pressure, the other end of the damping adjusting device is communicated with the limiting electromagnetic valve through an oil pipe, and the limiting electromagnetic valve is connected with the control terminal. The damping adjusting device is additionally arranged on an original rotary hydraulic control system, the control signal response time of the pilot handle can be accurately controlled, and stable and reliable operation of a tower crane rotary system is guaranteed.
本发明提出了一种塔机回转液压控制系统、方法和塔机,该系统包括液控先导手柄、阻尼调节装置、限位电磁阀和控制终端,所述液控先导手柄输入端与先导油源相连通,且其输出端通过油管与阻尼调节装置一端连接,所述阻尼调节装置用于限制先导油源的进回油速度,以及削弱先导油压力的增减速度,所述阻尼调节装置另一端通过油管与限位电磁阀相连通,所述限位电磁阀与控制终端连接。本发明通过在原有的回转液压控制系统上增加阻尼调节装置,能够准确控制先导手柄的控制信号响应时间,保证塔机回转系统平稳可靠运行。
Tower crane rotation hydraulic control system and method and tower crane
一种塔机回转液压控制系统、方法和塔机
2023-08-15
Patent
Electronic Resource
Chinese
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