Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Static pile driver and hydraulic control system thereof
A hydraulic control system for a static pile driver comprises a pile clamping box, a pile pressing/lifting oil cylinder, a variable pump, a reversing valve, a hydraulic control oil drain valve and an oil tank. The reversing valve is provided with an oil inlet, an oil return port, a first oil outlet and a second oil outlet, the oil inlet of the reversing valve is connected with the oil outlet of the variable pump, the oil return port of the reversing valve is connected with the oil tank, the first oil outlet of the reversing valve is connected with a rodless cavity of the pile pressing/lifting oil cylinder, and the second oil outlet of the reversing valve is connected with a rod cavity of the pile pressing/lifting oil cylinder; the hydraulic control system further comprises a hydraulic control oil drain valve, the hydraulic control oil drain valve is connected between a rodless cavity of the pile pressing/lifting oil cylinder and an oil return opening of the reversing valve, the hydraulic control oil drain valve is provided with an oil inlet, an oil outlet and a hydraulic control opening, the oil inlet of the hydraulic control oil drain valve is connected with the first oil outlet of the reversing valve, and the oil outlet of the hydraulic control oil drain valve is connected with the oil tank. And a hydraulic control port of the hydraulic control oil drain valve is connected with a second oil outlet of the reversing valve. The invention further provides the static pile driver with the hydraulic control system.
一种用于静力压桩机的液压控制系统，包括夹桩箱、压/提桩油缸、变量泵、换向阀、液控放油阀和油箱；换向阀具有进油口、回油口及第一出油口和第二出油口，换向阀的进油口与变量泵的出油口连接，换向阀的回油口与油箱连接，换向阀的第一出油口与压/提桩油缸的无杆腔连接，换向阀的第二出油口与压/提桩油缸的有杆腔连接；所述液压控制系统还包括液控放油阀，液控放油阀连接在压/提桩油缸的无杆腔与换向阀的回油口之间，液控放油阀具有进油口、出油口和液控口，液控放油阀的进油口与换向阀的第一出油口相连，液控放油阀的出油口与油箱相连，液控放油阀的液控口与换向阀的第二出油口相连。本发明还提供一种具有该液压控制系统的静力压桩机。
Static pile driver and hydraulic control system thereof
A hydraulic control system for a static pile driver comprises a pile clamping box, a pile pressing/lifting oil cylinder, a variable pump, a reversing valve, a hydraulic control oil drain valve and an oil tank. The reversing valve is provided with an oil inlet, an oil return port, a first oil outlet and a second oil outlet, the oil inlet of the reversing valve is connected with the oil outlet of the variable pump, the oil return port of the reversing valve is connected with the oil tank, the first oil outlet of the reversing valve is connected with a rodless cavity of the pile pressing/lifting oil cylinder, and the second oil outlet of the reversing valve is connected with a rod cavity of the pile pressing/lifting oil cylinder; the hydraulic control system further comprises a hydraulic control oil drain valve, the hydraulic control oil drain valve is connected between a rodless cavity of the pile pressing/lifting oil cylinder and an oil return opening of the reversing valve, the hydraulic control oil drain valve is provided with an oil inlet, an oil outlet and a hydraulic control opening, the oil inlet of the hydraulic control oil drain valve is connected with the first oil outlet of the reversing valve, and the oil outlet of the hydraulic control oil drain valve is connected with the oil tank. And a hydraulic control port of the hydraulic control oil drain valve is connected with a second oil outlet of the reversing valve. The invention further provides the static pile driver with the hydraulic control system.
一种用于静力压桩机的液压控制系统，包括夹桩箱、压/提桩油缸、变量泵、换向阀、液控放油阀和油箱；换向阀具有进油口、回油口及第一出油口和第二出油口，换向阀的进油口与变量泵的出油口连接，换向阀的回油口与油箱连接，换向阀的第一出油口与压/提桩油缸的无杆腔连接，换向阀的第二出油口与压/提桩油缸的有杆腔连接；所述液压控制系统还包括液控放油阀，液控放油阀连接在压/提桩油缸的无杆腔与换向阀的回油口之间，液控放油阀具有进油口、出油口和液控口，液控放油阀的进油口与换向阀的第一出油口相连，液控放油阀的出油口与油箱相连，液控放油阀的液控口与换向阀的第二出油口相连。本发明还提供一种具有该液压控制系统的静力压桩机。
Static pile driver and hydraulic control system thereof
静力压桩机及其液压控制系统
YANG QIANG (Autor:in) / YI WEI (Autor:in) / QIAN WANLEI (Autor:in) / QIAN FA (Autor:in) / ZHOU HAOFENG (Autor:in)
03.02.2023
Patent
Elektronische Ressource
Chinesisch
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