The invention discloses a main winch and drill rod automatic matching control system and a rotary drilling rig, the control system comprises a gear pump, an overflow valve, a filter, a starting solenoid valve, an operating mechanism, a solenoid valve group, a main valve group, a balance valve and a main winch motor which are connected in sequence, and the output end of the operating mechanism comprises an ascending control oil way and a descending control oil way; the electromagnetic valve group comprises a first electromagnetic valve and a second electromagnetic valve, the ascending control oil way is connected to the first electromagnetic valve, and the descending control oil way is connected to the second electromagnetic valve; the control system further comprises a first pressure sensor, a second pressure sensor, a depth detection mechanism, an electric proportional electromagnetic valve and a control module, and the control module is configured to control the electric proportional electromagnetic valve to output electric signals to the main winch motor based on sensing signals from the first pressure sensor, the second pressure sensor and the depth detection mechanism. Therefore, the displacement, the lifting force and the speed of the motor can be matched with the current state, so that the energy efficiency can be fully utilized.
本发明公开了一种主卷扬与钻杆自动匹配的控制系统及旋挖钻机,该控制系统包括:依次连接的齿轮泵、溢流阀、过滤器、启动电磁阀、操作机构、电磁阀组、主阀组、平衡阀和主卷扬马达,操作机构的输出端包括上升控制油路和下降控制油路,电磁阀组包括第一电磁阀和第二电磁阀,上升控制油路连接至第一电磁阀,下降控制油路连接至第二电磁阀;控制系统还包括:第一压力传感器、第二压力传感器、深度检测机构、电比例电磁阀和控制模块,控制模块配置为:基于来自第一压力传感器、第二压力传感器和深度检测机构的感测信号,控制电比例电磁阀对主卷扬马达输出电信号。由此,可以让马达的排量、提升力和速度与当前的状态相适配,以便于充分利用能效。
Main winch and drill rod automatic matching control system and rotary drilling rig
一种主卷扬与钻杆自动匹配的控制系统及旋挖钻机
2023-02-28
Patent
Electronic Resource
Chinese
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