CN101851907A - Power station emergency gate using inverted hydraulic hoist - Google Patents
Power station emergency gate using inverted hydraulic hoist Download PDFInfo
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- CN101851907A CN101851907A CN201010149461A CN201010149461A CN101851907A CN 101851907 A CN101851907 A CN 101851907A CN 201010149461 A CN201010149461 A CN 201010149461A CN 201010149461 A CN201010149461 A CN 201010149461A CN 101851907 A CN101851907 A CN 101851907A
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- gate
- piston rod
- oil cylinder
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- dam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The invention discloses a power station emergency gate using an inverted hydraulic hoist, comprising a hydraulic hoist. and a gate body arranged below a dam, wherein the hydraulic hoist comprises an oil cylinder, an open-close bracket, a hydraulic pump station and a control apparatus, wherein the open-close bracket is arranged at the top of the dam, the hydraulic pump station is arranged on a gate maintenance platform, the end part of a piston rod of the oil cylinder is pivoted with the open-close bracket; the oil cylinder body is arranged in the gate body and pivoted with the top of the gate body through two connecting rods with the same structure symmetrically arranged at two sides of the upper end of the cylinder body, a built-in displacement sensor is arranged at the end part of the piston rod, waterproof proximity switches are arranged at two sides of the gate body, and the external surface of the cylinder body is provided with a metal thermal spraying anticorrosive coating. The invention reduces the mounting height of a dam crest, realizes the built-in oil pipe of the oil cylinder without affecting dam surface sceneries, and can slightly swing to adapt the gate displacement because the cylinder body, the gate body and the two connecting rods with the same structure are pivoted with each other to form a four-bar structure.
Description
Technical field
The present invention relates to sluice gate, relate in particular to the Emergency Gate in power station.
Background technology
The power station Emergency Gate is used for that moving water closes door when accident appears in unit or runner, and the accident that prevents enlarges; Hydrostatic closes door when unit need overhaul or stop paying out electricity for a long time, and the dash retaining is husky.Existing power station Emergency Gate has hoist engine to open and close gate, conventional hydraulic hoist gate and door machine and opens and closes gate.Wherein, hoist engine opens and closes gate, and it is very high that machine room height exceeds dam facing, influences the dam facing view; The door machine open and close the operating gate time long, workload is big and can not realize distant place control, be not easy to the operational management of engineering; Conventional hydraulic hoist gate, piston rod is connected with gate lifting eye, and the outstanding dam facing of oil cylinder setting is very high, and it is attractive in appearance still to influence dam facing, in addition, because oil cylinder is a slender rod piece, also needs it is taked the reinforcement measure and the lightning protection electric treatment of anti-inclination.
Summary of the invention
The objective of the invention is to: a kind of power station Emergency Gate that can reduce setting height(from bottom), saving construction investment, not influence dam facing employing reversal of the natural order of things hydraulic hoist attractive in appearance is provided.
For achieving the above object, the present invention can take following technical proposals:
The present invention adopts the power station Emergency Gate of reversal of the natural order of things hydraulic hoist, comprise hydraulic hoist, be arranged on the sluice gate body under the dam, described hydraulic hoist comprises oil cylinder, is arranged on the keying support of dam crest, is arranged on hydraulic power unit and control appliance on the gate inspection platform, and the piston rod end of described oil cylinder and described keying support pivot connect; The cylinder body of described oil cylinder is arranged in the described sluice gate body and connects by the top pivot that symmetry is hubbed on the identical connecting rod of two structures of both sides, cylinder body upper end and described sluice gate body, and the upper and lower end pivot hole of described connecting rod is mutually 90 vertically and spends angles; Described piston rod is the hollow-core construction that is made of leading portion, stage casing and back segment butt joint, describedly be provided with sleeve pipe in hollow, this sleeve pipe constitutes the oil pipe of rodless cavity, the stage casing internal diameter of described piston rod is greater than the internal diameter of leading portion and back segment, be positioned at the asphalt channel of the sleeve outer wall of described middle section position and the space formation rod chamber that this stage casing inwall surrounds, the hydraulic fluid port of described rodless cavity, the hydraulic fluid port of rod chamber all are located at the end of described piston rod; Be provided with built-in displacement transducer in the end of described piston rod, the oil pipe that the sensing rope of described displacement transducer passes described rodless cavity is connected with the flange of described cylinder body lower end, is provided with waterproof near switch in the both sides of described sluice gate body; Described outer surface of cylinder block is provided with the metal thermal spraying anticorrosive coat.
The present invention adopts the piston rod end with oil cylinder to be hung on the keying support of dam crest, the cylinder body of oil cylinder is arranged in the sluice gate body and is hubbed on the top pivot company of the identical connecting rod of two structures of these both sides, cylinder body upper end and this sluice gate body by symmetry, on the described connecting rod, the lower ending pivot hole is mutually 90 degree angles vertically, this structure, sluice gate body is with the rising or the decline of described cylinder body, reach the purpose of opening and closing, can shorten the length of piston rod, reduce the setting height(from bottom) of dam crest, do not influence the dam facing landscape, and, described cylinder body, sluice gate body, the mutual pivot of the connecting rod that two structures are identical connects, constitute four-bar linkage structure, cylinder body can be swung by trace when gate produces horizontal movement, to adapt to the gate displacement.Described piston rod adopts leading portion, the hollow-core construction that stage casing and back segment butt joint constitute, the stage casing internal diameter is greater than the internal diameter of leading portion and back segment, sleeve pipe is set in hollow, this structure, sleeve pipe constitutes the oil pipe of rodless cavity, be positioned at the asphalt channel of the sleeve outer wall of described middle section position and the space formation rod chamber that this stage casing inwall surrounds, realized the built-in of oil cylinder petroleum pipeline, also can make rodless cavity, the hydraulic fluid port of rod chamber all is located at the end of described piston rod, and the processing of piston rod is convenient in three sections butt joints, oil cylinder rodless cavity, the hydraulic fluid port of rod chamber all is located at the end of piston rod, outside no hydraulic fluid port of oil cylinder and pipeline, it is the shortest to help the sub aqua sport of oil cylinder and hydraulic power unit and oil cylinder hydraulic fluid port distance, the duct pressure loss minimum.Be provided with built-in displacement transducer in the end of described piston rod; the oil pipe that the sensing rope of described displacement transducer passes described rodless cavity is connected with the flange of described cylinder body lower end; cancelled traditional sensing rope wiring unit; reduce the frictional force between sensing rope and the oil pipe; be provided with waterproof near switch in the both sides of described sluice gate body; be used for the upper and lower extreme position of regulating gate body, when displacement transducer is malfunctioning, shield.Because of cylinder body of the present invention is positioned under water for a long time, except that piston rod chromium plating, outer surface of cylinder block is provided with the metal thermal spraying anticorrosive coat, can improve the application life of cylinder body under water.
Description of drawings
Fig. 1 is a partial cutaway schematic of the present invention.
Fig. 2 is the A portion enlarged diagram of Fig. 1.
Fig. 3 is the B portion enlarged diagram of Fig. 1.
Fig. 4 is the connecting rod enlarged diagram of Fig. 3.
Fig. 5 is the oil cylinder enlarged diagram of Fig. 1.
The specific embodiment
Extremely shown in Figure 5 as Fig. 1, the present invention adopts the power station Emergency Gate of reversal of the natural order of things hydraulic hoist, comprise hydraulic hoist, be arranged on the sluice gate body 1 under the dam, described hydraulic hoist comprises oil cylinder, be arranged on the keying support 2 of dam crest, be arranged on hydraulic power unit and control appliance 3 on the gate inspection platform, piston rod 4 ends of described oil cylinder are connected with described keying support 2 by the thrust ball bearing 6 of load-bearing nut 5 and bronze basic embedded self-lubricating material, adopt the pivot of thrust ball bearing to link structure, the permission piston rod rotates, to the swing of any direction trace, with the alignment error and the change of operating position of compensating cylinder and sluice gate body and gate slot; The cylinder body 7 of described oil cylinder is arranged in the described sluice gate body 1 and connects by the top pivot that symmetry is hubbed on the identical connecting rod 8 of two structures of both sides, cylinder body 7 upper end and described sluice gate body 1, and the upper and lower end pivot hole of described connecting rod 8 is mutually 90 degree angles vertically; Described piston rod 4 is the hollow-core constructions that are made of leading portion 41, stage casing 42 and back segment 43 welding, describedly be provided with sleeve pipe 44 in hollow, this sleeve pipe 44 constitutes the oil pipe of rodless cavity, stage casing 42 internal diameters of described piston rod 4 are greater than the internal diameter of leading portion 41 and back segment 43, be positioned at the asphalt channel of sleeve pipe 44 outer walls of 42 positions, described stage casing and the space formation rod chamber that this stage casing 42 inwalls surround, the hydraulic fluid port 45 of described rodless cavity, the hydraulic fluid port 46 of rod chamber all are located at the end of described piston rod 4; Be provided with built-in displacement transducer 47 in the end of described piston rod 4, the oil pipe that the sensing rope 48 of described displacement transducer 47 passes described rodless cavity is connected with the flange of described cylinder body 7 lower ends; Be provided with waterproof near switch in the both sides of described sluice gate body 1; Described outer surface of cylinder block is provided with the metal thermal spraying anticorrosive coat.
Claims (1)
1. one kind is adopted the power station Emergency Gate that hangs upside down hydraulic hoist, comprise hydraulic hoist, be arranged on the sluice gate body (1) under the dam, described hydraulic hoist comprises oil cylinder, is arranged on the keying support (2) of dam crest, is arranged on hydraulic power unit and control appliance (3) on the gate inspection platform, it is characterized in that: the piston rod of described oil cylinder (4) end and described keying support (2) pivot connect; The cylinder body of described oil cylinder (7) is arranged in the described sluice gate body (1) and connects by the top pivot that symmetry is hubbed on the identical connecting rod (8) of two structures of both sides, cylinder body (7) upper end and described sluice gate body (1), and the upper and lower end pivot hole of described connecting rod (8) is mutually 90 degree angles vertically; Described piston rod (4) is the hollow-core construction that is made of leading portion (41), stage casing (42) and back segment (43) butt joint, describedly be provided with sleeve pipe (44) in hollow, this sleeve pipe (44) constitutes the oil pipe of rodless cavity, stage casing (42) internal diameter of described piston rod (4) is greater than the internal diameter of leading portion (41) and back segment (43), be positioned at the asphalt channel of sleeve pipe (44) outer wall of position, described stage casing (42) and the space formation rod chamber that this stage casing (42) inwall surrounds, the hydraulic fluid port (46) of the hydraulic fluid port of described rodless cavity (45), rod chamber all is located at the end of described piston rod (4); Be provided with built-in displacement transducer (47) in the end of described piston rod (4), the oil pipe that the sensing rope (48) of described displacement transducer (47) passes described rodless cavity is connected with the flange of described cylinder body (7) lower end, is provided with waterproof near switch in the both sides of described sluice gate body (1); Described outer surface of cylinder block is provided with the metal thermal spraying anticorrosive coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101494617A CN101851907B (en) | 2010-04-19 | 2010-04-19 | Power station emergency gate using inverted hydraulic hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101494617A CN101851907B (en) | 2010-04-19 | 2010-04-19 | Power station emergency gate using inverted hydraulic hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101851907A true CN101851907A (en) | 2010-10-06 |
| CN101851907B CN101851907B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101494617A Active CN101851907B (en) | 2010-04-19 | 2010-04-19 | Power station emergency gate using inverted hydraulic hoist |
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| Country | Link |
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| CN (1) | CN101851907B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405718A (en) * | 2014-11-10 | 2015-03-11 | 常州液压成套设备厂有限公司 | Novel floating supporting oil cylinder |
| CN106870805A (en) * | 2017-04-06 | 2017-06-20 | 杨俊� | A kind of control tower |
| CN109026895A (en) * | 2018-09-17 | 2018-12-18 | 长江勘测规划设计研究有限责任公司 | A kind of sealing device for underwater oscillating oil cylinder |
| CN112049838A (en) * | 2020-08-19 | 2020-12-08 | 武汉力地液压设备有限公司 | Hydraulic cylinder capable of automatically controlling displacement and hoist |
| AT523229A3 (en) * | 2019-12-10 | 2022-04-15 | Uniper Kraftwerke Gmbh | Procedure and arrangement with an emergency system for the emergency opening of a weir field |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08218351A (en) * | 1995-02-15 | 1996-08-27 | Mitsubishi Heavy Ind Ltd | Opening and closing device of gate for dam levee body |
| KR100523818B1 (en) * | 2005-04-01 | 2005-10-26 | 주식회사 우진산업개발 | Hydraulic salvage floodgate |
| CN200946260Y (en) * | 2006-09-27 | 2007-09-12 | 彭庆烈 | Push type screw bolt headstock gear |
| KR100909485B1 (en) * | 2009-03-11 | 2009-07-28 | 김상현 | Hydrostatic floodgate winch |
| CN201665857U (en) * | 2010-04-19 | 2010-12-08 | 黄河勘测规划设计有限公司 | Power station emergency gate employing reversed hydraulic headstock gear |
-
2010
- 2010-04-19 CN CN2010101494617A patent/CN101851907B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08218351A (en) * | 1995-02-15 | 1996-08-27 | Mitsubishi Heavy Ind Ltd | Opening and closing device of gate for dam levee body |
| KR100523818B1 (en) * | 2005-04-01 | 2005-10-26 | 주식회사 우진산업개발 | Hydraulic salvage floodgate |
| CN200946260Y (en) * | 2006-09-27 | 2007-09-12 | 彭庆烈 | Push type screw bolt headstock gear |
| KR100909485B1 (en) * | 2009-03-11 | 2009-07-28 | 김상현 | Hydrostatic floodgate winch |
| CN201665857U (en) * | 2010-04-19 | 2010-12-08 | 黄河勘测规划设计有限公司 | Power station emergency gate employing reversed hydraulic headstock gear |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405718A (en) * | 2014-11-10 | 2015-03-11 | 常州液压成套设备厂有限公司 | Novel floating supporting oil cylinder |
| CN106870805A (en) * | 2017-04-06 | 2017-06-20 | 杨俊� | A kind of control tower |
| CN109026895A (en) * | 2018-09-17 | 2018-12-18 | 长江勘测规划设计研究有限责任公司 | A kind of sealing device for underwater oscillating oil cylinder |
| CN109026895B (en) * | 2018-09-17 | 2023-05-26 | 长江勘测规划设计研究有限责任公司 | Sealing device for underwater swing oil cylinder |
| AT523229A3 (en) * | 2019-12-10 | 2022-04-15 | Uniper Kraftwerke Gmbh | Procedure and arrangement with an emergency system for the emergency opening of a weir field |
| CN112049838A (en) * | 2020-08-19 | 2020-12-08 | 武汉力地液压设备有限公司 | Hydraulic cylinder capable of automatically controlling displacement and hoist |
| CN112049838B (en) * | 2020-08-19 | 2022-07-08 | 武汉力地液压设备有限公司 | Hydraulic cylinder capable of automatically controlling displacement and hoist |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101851907B (en) | 2011-06-08 |
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Address after: 450003 Jinshui Road 109, Zhengzhou City, Henan Province Patentee after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 Jinshui Road 109, Zhengzhou City, Henan Province Patentee before: Yellow River Engineering Consulting Co., Ltd. |