The invention relates to a hydraulic system of a pipe lifting machine, an electrical system of the pipe lifting machine and a multifunctional pipe lifting machine. The main pump, the auxiliary gear pump and the pilot pump are all connected to the hydraulic oil tank and configured to pump hydraulic oil from the hydraulic oil tank; the main valve group is arranged on an oil supply path of the main pump and comprises a first reversing valve and a fourth reversing valve; the hoisting mechanism comprises a first hydraulic motor, the first hydraulic motor is arranged on a working oil way of the first reversing valve, and the first hydraulic motor is configured to provide driving force for the action of the hoisting mechanism; the beveling machine executing mechanism is arranged on a working oil way of the fourth reversing valve and an oil supply oil way of the auxiliary gear pump through a quick insertion assembly; the auxiliary action unloading valve is arranged on an oil supply path of the auxiliary gear pump and is configured to control unloading of the auxiliary gear pump; the first control valve is configured to control the reversing of the first reversing valve, and the third control valve is configured to control the reversing of the fourth reversing valve.
本公开涉及一种吊管机液压系统、吊管机电气系统及多功能吊管机,其中,液压系统包括:液压油箱;主泵、辅助齿轮泵和先导泵,均连接于液压油箱,被配置为从液压油箱泵送液压油;主阀组,设在主泵的供油油路上,包括第一换向阀和第四换向阀;起升机构,包括第一液压马达,第一液压马达设在第一换向阀的工作油路上,第一液压马达被配置为向起升机构的动作提供驱动力;坡口机执行机构,通过快插总成设在第四换向阀的工作油路和辅助齿轮泵的供油油路上;辅助动作卸荷阀,设在辅助齿轮泵的供油油路上,被配置为控制辅助齿轮泵卸荷;和先导阀组,第一控制阀被配置为控制第一换向阀换向,第三控制阀被配置为控制第四换向阀换向。
Pipe lifting machine hydraulic system, pipe lifting machine electrical system and multifunctional pipe lifting machine
吊管机液压系统、吊管机电气系统及多功能吊管机
2023-05-23
Patent
Elektronische Ressource
Chinesisch
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