A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses an emergency hydraulic control system and method for a hydraulic hoist of a high-water-head power station. The emergency hydraulic control system comprises an oil pump, an engine, a three-position manual reversing valve, a balance valve and a two-position manual reversing valve. An outlet of the oil pump is sequentially communicated with a one-way valve and a P port of a three-position hand-operated direction valve, an A port of the three-position hand-operated direction valve is communicated with a P port of a two-position hand-operated direction valve, a B port of the two-position hand-operated direction valve is communicated with a P port of a balance valve, and an A port of the balance valve and the A port of the two-position hand-operated direction valve are communicated with a rod cavity connector of an oil cylinder of the hoist. A port B of the three-position hand-operated direction valve is communicated with a rodless cavity connector of an oil cylinder of the hoist, a port X of the balance valve and an oil return port of the oil tank, and an overflow valve is communicated with a pipeline where the port B of the three-position hand-operated direction valve is communicated with the oil return port. The oil pump is in transmission connection with the engine; the problem that a gate cannot be opened or closed in time when a hydraulic system of the hydraulic hoist breaks down is solved.
一种高水头电站液压启闭机应急液压控制系统和方法，包括油泵、发动机、三位手动换向阀、平衡阀和二位手动换向阀；油泵出口依次与连通单向阀和三位手动换向阀的P口，三位手动换向阀的A口连通二位手动换向阀的P口，二位手动换向阀的B口连通平衡阀的P口，平衡阀的A口和二位手动换向阀的A口连通启闭机油缸有杆腔接口，三位手动换向阀的B口连通启闭机油缸无杆腔接口、平衡阀的X口和油箱回油口，在三位手动换向阀的B口连通回油口的管路上连通有溢流阀；油泵与发动机传动连接，油泵进口连通油箱吸油口；本发明用于解决在液压启闭机出现液压系统故障时，闸门无法及时开启或关闭的问题。
The invention discloses an emergency hydraulic control system and method for a hydraulic hoist of a high-water-head power station. The emergency hydraulic control system comprises an oil pump, an engine, a three-position manual reversing valve, a balance valve and a two-position manual reversing valve. An outlet of the oil pump is sequentially communicated with a one-way valve and a P port of a three-position hand-operated direction valve, an A port of the three-position hand-operated direction valve is communicated with a P port of a two-position hand-operated direction valve, a B port of the two-position hand-operated direction valve is communicated with a P port of a balance valve, and an A port of the balance valve and the A port of the two-position hand-operated direction valve are communicated with a rod cavity connector of an oil cylinder of the hoist. A port B of the three-position hand-operated direction valve is communicated with a rodless cavity connector of an oil cylinder of the hoist, a port X of the balance valve and an oil return port of the oil tank, and an overflow valve is communicated with a pipeline where the port B of the three-position hand-operated direction valve is communicated with the oil return port. The oil pump is in transmission connection with the engine; the problem that a gate cannot be opened or closed in time when a hydraulic system of the hydraulic hoist breaks down is solved.
一种高水头电站液压启闭机应急液压控制系统和方法，包括油泵、发动机、三位手动换向阀、平衡阀和二位手动换向阀；油泵出口依次与连通单向阀和三位手动换向阀的P口，三位手动换向阀的A口连通二位手动换向阀的P口，二位手动换向阀的B口连通平衡阀的P口，平衡阀的A口和二位手动换向阀的A口连通启闭机油缸有杆腔接口，三位手动换向阀的B口连通启闭机油缸无杆腔接口、平衡阀的X口和油箱回油口，在三位手动换向阀的B口连通回油口的管路上连通有溢流阀；油泵与发动机传动连接，油泵进口连通油箱吸油口；本发明用于解决在液压启闭机出现液压系统故障时，闸门无法及时开启或关闭的问题。
Emergency hydraulic control system and method for hydraulic hoist of high-water-head power station
一种高水头电站液压启闭机应急液压控制系统和方法
2023-12-15
Patent
Electronic Resource
Chinese
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