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HYDRAULIC CONTROL DEVICE OF FORCED OPENING TYPE GATE
To smoothly open a door by minimizing resistance when the door is opened in a hydraulic control device of a forced opening type gate, and to suppress fluttering of the door due to waves when the door is closed by its own weight.SOLUTION: A hydraulic control device comprises a double rod hydraulic cylinder 3 having a front oil port 3a, a rear oil port 3b, a rod 8 and the like, a door body 1 that opens and closes in conjunction with movement of the rod 8, a first communication pipe 10 having a check valve 11 and connecting the front oil port 3a and the rear oil port 3b, a second communicating pipe 12 connecting the front side and the rear side of the check valve 11 and having a float valve 4b and a flow control valve 13, a hydraulic pump 17 for supplying hydraulic oil, a hydraulic oil supply pipe 14 having a supply check valve 15a and an oil pressure detection device 22, a hydraulic oil discharge pipe 16 having a discharge piloted check valve 15b, and a hydraulic pump control device 23 for operating and stopping the hydraulic pump 17 based on a water level detection device 21 and the water level signal from the water level detection device 21 and the oil pressure signal from the oil pressure detection device 22.SELECTED DRAWING: Figure 2
【課題】強制開放型ゲートの油圧制御装置において、扉体が開放する場合には抵抗を最小限として円滑に開放作動させ、扉体が自重で閉鎖状態となる場合には波浪による扉体のバタツキ等を抑える。【解決手段】前方油口３ａと後方油口３ｂとロッド８等を有する両ロッド式油圧シリンダ３、ロッド８の動きに連動して開閉する扉体１、前方油口３ａと後方油口３ｂとを連通し逆止弁１１を有する第１連通管１０、逆止弁１１の前方側と後方側とを連通しフロート弁４ｂと流量制御弁１３を有する第２連通管１２、作動油を供給する油圧ポンプ１７、供給用逆止弁１５ａと油圧検知装置２２を有する作動油供給管１４、排出用パイロット付逆止弁１５ｂを有する作動油排出管１６、水位検知装置２１及び水位検知装置２１からの水位信号と油圧検知装置２２からの油圧信号に基づいて、油圧ポンプ１７を作動・停止させる油圧ポンプ制御装置２３を備える油圧制御装置。【選択図】図２
HYDRAULIC CONTROL DEVICE OF FORCED OPENING TYPE GATE
To smoothly open a door by minimizing resistance when the door is opened in a hydraulic control device of a forced opening type gate, and to suppress fluttering of the door due to waves when the door is closed by its own weight.SOLUTION: A hydraulic control device comprises a double rod hydraulic cylinder 3 having a front oil port 3a, a rear oil port 3b, a rod 8 and the like, a door body 1 that opens and closes in conjunction with movement of the rod 8, a first communication pipe 10 having a check valve 11 and connecting the front oil port 3a and the rear oil port 3b, a second communicating pipe 12 connecting the front side and the rear side of the check valve 11 and having a float valve 4b and a flow control valve 13, a hydraulic pump 17 for supplying hydraulic oil, a hydraulic oil supply pipe 14 having a supply check valve 15a and an oil pressure detection device 22, a hydraulic oil discharge pipe 16 having a discharge piloted check valve 15b, and a hydraulic pump control device 23 for operating and stopping the hydraulic pump 17 based on a water level detection device 21 and the water level signal from the water level detection device 21 and the oil pressure signal from the oil pressure detection device 22.SELECTED DRAWING: Figure 2
【課題】強制開放型ゲートの油圧制御装置において、扉体が開放する場合には抵抗を最小限として円滑に開放作動させ、扉体が自重で閉鎖状態となる場合には波浪による扉体のバタツキ等を抑える。【解決手段】前方油口３ａと後方油口３ｂとロッド８等を有する両ロッド式油圧シリンダ３、ロッド８の動きに連動して開閉する扉体１、前方油口３ａと後方油口３ｂとを連通し逆止弁１１を有する第１連通管１０、逆止弁１１の前方側と後方側とを連通しフロート弁４ｂと流量制御弁１３を有する第２連通管１２、作動油を供給する油圧ポンプ１７、供給用逆止弁１５ａと油圧検知装置２２を有する作動油供給管１４、排出用パイロット付逆止弁１５ｂを有する作動油排出管１６、水位検知装置２１及び水位検知装置２１からの水位信号と油圧検知装置２２からの油圧信号に基づいて、油圧ポンプ１７を作動・停止させる油圧ポンプ制御装置２３を備える油圧制御装置。【選択図】図２
HYDRAULIC CONTROL DEVICE OF FORCED OPENING TYPE GATE
強制開放型ゲートの油圧制御装置
FUJII MICHIHIRO (author)
2023-07-07
Patent
Electronic Resource
Japanese
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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