CN203247566U - Closed gate device of dam waterpower ship lift - Google Patents

Closed gate device of dam waterpower ship lift Download PDF

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Publication number
CN203247566U
CN203247566U CN 201320292848 CN201320292848U CN203247566U CN 203247566 U CN203247566 U CN 203247566U CN 201320292848 CN201320292848 CN 201320292848 CN 201320292848 U CN201320292848 U CN 201320292848U CN 203247566 U CN203247566 U CN 203247566U
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CN
China
Prior art keywords
closed gate
vertical shaft
ship lift
reception chamber
closed
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Expired - Fee Related
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CN 201320292848
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Chinese (zh)
Inventor
张屹
韩俊
温焕翃
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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Priority to CN 201320292848 priority Critical patent/CN203247566U/en
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Abstract

A closed gate device of a dam waterpower ship lift comprises a shaft, wherein an open communicated part is arranged on one side of the shaft; a plurality of openable gate devices, which form seal mutually, are arranged in the communicated part from top to bottom; in each closed gate device, a closed gate is movably connected with the shaft in a rotatable manner through a spindle, the closed gate is further connected with a hydraulic opening and closing device, and the hydraulic opening and closing device drives the closed gate to be opened and closed. According to the utility model, as the closed gate devices are arranged on the shaft wall from top to bottom, rigid connection is formed between a ship reception chamber and a float bowl; through the sequential opening and closing of the closed gate devices, the shaft wall does not intervene with the ship reception chamber during the operating process, mainly with the extension beam of the ship reception chamber. With adoption of the rigid connection scheme, the requirement for control accuracy of the waterpower ship lift is lowered, so the control is more convenient, and the safety is greatly increased.

Description

A kind of dam waterpower ship lift closed gate device
Technical field
The utility model relates to the ship lift field of accessories in the hydraulic engineering, particularly a kind of closed gate device for dam waterpower ship lift.
Background technology
The hydroelectric generation low-carbon environment-friendly is the most popular a kind of generation mode in the present whole world.Global water-power plant is more and more, and this navigation channel transportation to the river brings certain influence, and ship is having bypassed the dam site into a very popular research topic rapidly and efficiently how.At present the mode of bypassing the dam site of ship mainly contains that the chain of locks is bypassed the dam site and vertical ship lift is bypassed the dam site two kinds, and wherein, the chain of locks has safety, crosses the large advantage of ton, but the speed of bypassing the dam site is very slow, particularly the larger power station of the dam discrepancy in elevation; It is little that vertical ship lift is crossed ton comparatively speaking, but the speed advantage of bypassing the dam site is fairly obvious, is widely used in each large hydropower station.
In the ship lift of Three Gorges Dam, except ship reception chamber and weight equalizer, the lifting of ship reception chamber is mainly by gear-rack drive, because weight equalizer has been offset very most ship reception chamber weight, therefore can realize the lifting action of ship reception chamber for the output torque of pinion and rack, but adopt the energy consumption of this type of drive still higher, uneconomical.
Chinese patent 99116476.8 discloses a kind of hydraulic floating type torque balanced ship-lifting mechanism, balance in the heavy vertical shaft by the principle of utilizing communicating pipe and to pour water, realize the adjusting of gravitational difference between balance weight and the ship reception chamber, the problem that exists is to need the buoyancy of accurate adjustment balance weight to guarantee that balance is very difficult.And because will produce enough buoyancy, need volume weight lower of balance weight, perhaps have at least a cavity, thereby the volume of balance weight is larger.Balance weight directly flexibly connects by wire rope and ship reception chamber, water level rises when very fast in the vertical shaft, can make the floating drum fast rise, because wire rope is flexible body, can only transmit pulling force, and the process of the parts carry-over moment such as reel also needs the regular hour, therefore the power of the wire rope of drum lifting ship reception chamber is a kind of impulsive force, this meeting so that the water body in the ship reception chamber ceaselessly rock, reduce the stability of ship reception chamber, and this shake causes the wire rope that unclamps easily mutually to twine or with the miscellaneous part friction, and the wire rope of fracture also twines mutually easily, easily causes dangerous accident.
Chinese patent literature 102426044A discloses a kind of liquid level measurement system for float bowl of hydraulic power floating type ship elevator, realize accurately control by water filling in floating drum, the problem that exists is that the control difficulty is very high, and still mainly be to rely on flexibly connecting of wire rope, have the problem similar with Chinese patent 99116476.8, safety is difficult to assurance.Overcome this defective, floating drum and ship reception chamber can be rigidly connected, interfere but vertical shaft can form the operation of floating drum.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of dam waterpower ship lift closed gate device, floating drum and ship reception chamber are formed to be rigidly connected, and the operation of ship reception chamber is not caused interference, in further improving, device sealing of the present utility model is reliable, seal can not form closed gate and interfere in running, thereby prolongs the application life of seal.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of dam waterpower ship lift closed gate device, comprise vertical shaft, vertical shaft one side is provided with open interconnecting part, interconnecting part be provided with from top to bottom a plurality of able to turn on or off and mutually between can form the closed gate device of sealing.
In the described closed gate device, closed gate and vertical shaft rotatably are flexibly connected by rotating shaft, and closed gate also is connected with the hydraulic opening-closing device that drives the closed gate keying.
One side and the vertical shaft 7 of closed gate are hinged by rotating shaft, between rotating shaft and the closed gate for being rigidly connected, be connected for rotational slide between rotating shaft and the bearing support that is fixed in vertical shaft, rotating shaft also is fixedly connected with an end of connecting rod, the other end of connecting rod and the hydraulic cylinder piston rod in the hydraulic opening-closing device are articulated and connected, and the other end and the vertical shaft of hydraulic cylinder are hinged.
Lower end at closed gate is provided with pillow block, and the upper end of closed gate is provided with pillow block and forms a cushion block that is sealed and matched.
Also be provided with P shape rubber in the lower end of closed gate, the upper end of closed gate also is provided with P shape rubber and forms the sealing panel that is sealed and matched.
On the vertical shaft of the rotating shaft opposite side of closed gate, also be provided with for the locking device that pins closed gate.
In the described locking device, drive the dead bolt motion by telescoping mechanism and realize locking, the work plane of described dead bolt contact closed gate is lozenges.
Described telescoping mechanism is hydraulic cylinder.
At least one side that is positioned at closed gate at the interconnecting part of vertical shaft also is provided with the hydraulic pressure holding device, in the described hydraulic pressure holding device, at least two hold out against hydraulic cylinder and are connected with top-fastening rod, described top-fastening rod length is identical with the height of closed gate, also is provided with the rubber water sealing that sealing coats outside top-fastening rod.
The height of described rubber water sealing is identical with the height of interconnecting part.
A kind of dam waterpower ship lift closed gate device that the utility model provides, by a plurality of closed gate devices are set from top to bottom in hoistway wall, be rigidly connected thereby between ship reception chamber and floating drum, can form, successively opening and closing by the closed gate device, hoistway wall not can with running in ship reception chamber, mainly be that the extending beam of ship reception chamber form to be interfered.Rigidly connected scheme thus, the waterpower ship lift reduces for the requirement of control accuracy, and it is more convenient to control.And significantly improved safety.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is that the integrally-built master of waterpower ship lift looks schematic diagram.
Fig. 2 is the integrally-built schematic top plan view of waterpower ship lift.
Fig. 3 is the E-E cross-sectional schematic of Fig. 2.
Fig. 4 is overall structure schematic diagram of the present utility model.
Fig. 5 is the partial enlarged drawing at A place among Fig. 2.
Fig. 6 is the partial enlarged drawing at B place among Fig. 1.
Fig. 7 is the partial enlarged drawing at C place among Fig. 5.
Fig. 8 is the partial enlarged drawing at D place among Fig. 3.
Among the figure: water inlet pipe 1, closed gate device 2, locking device 21, closed gate 22, prop up cushion block 221, pillow block 222, P shape rubber 223, sealing panel 224, rotating shaft 23, hydraulic opening-closing device 24, hydraulic pressure holding device 25 holds out against hydraulic cylinder 251, top-fastening rod 252, rubber water sealing 253, connecting rod 26, water intaking valve 3, water-supply-pipe 4, tapping pipe 5, drain valve 6, vertical shaft 7, vertical shaft steel cylinder 71, vertical shaft concrete seven 2, interconnecting part 73, floating drum 8, roller 81, ship reception chamber 9, weight equalizer 10, wire rope 11, extending beam 12, pressure sensor 13, equalizer pulley group 14, head bay work gate 15, tail-bay work gate 16, drain grating 17.
The specific embodiment
For understanding fully the utility model, need to understand the waterpower ship lift in the utility model.In Fig. 1-3, a kind of dam waterpower ship lift, comprise ship reception chamber 9, head bay work gate 15, tail-bay work gate 16, ship reception chamber 9 is walked around equalizer pulley group 14 with weight equalizer 10 by wire rope 11 and is connected, sidepiece at ship reception chamber 9 is provided with at least one vertical shaft 7, one side of vertical shaft 7 is communicated with the space that holds ship reception chamber 9, interconnecting part 73 be provided with from top to bottom a plurality of able to turn on or off and mutually between can form the closed gate device 2 of sealing; Be to realize sealing between each closed gate device 2 and the interconnecting part 73, in Fig. 4, under the state of sealing, can realize sealing between each closed gate device 2.In this example, as Figure 1-3, vertical shaft 7 is two, and be positioned at a side of ship reception chamber 9, but the volume according to ship reception chamber 9 adopts other quantity, for example 1-6 vertical shaft 7 also is feasible, and the both sides of the ship reception chamber 9 that perhaps vertical shaft 7 is placed in only need guarantee that vertical shaft is not connected with the space at weight equalizer place to guarantee that stress equalization also is feasible.
Be provided with floating drum 8 in the vertical shaft 7, ship reception chamber 9 is rigidly connected with floating drum 8 by the extending beam 12 that passes interconnecting part 73; Structure thus, floating drum 8 suffered buoyancy all have been directly passed to ship reception chamber 9, do not postpone in the transmittance process, avoid occurring the phenomenon that rope loosing twines in the prior art.
In Fig. 1, vertical shaft 7 bottoms are communicated with the tapping pipe 5 in the water inlet pipe 1 that is communicated with the upstream and connection downstream respectively by water-supply-pipe 4, and described water inlet pipe 1 is provided with water intaking valve 3, and tapping pipe 5 is provided with drain valve 6.Entrance at water inlet pipe 1 also is provided with drain grating 17.The bottom that is communicated with each vertical shaft 7 by water-supply-pipe 4, open water intaking valve 3 and close drain valve 6, then vertical shaft 7 interior water inlets, the buoyancy of generation rises ship reception chamber 9, and drain valve 6 is opened, water intaking valve 3 is closed, vertical shaft 7 internal drainages, and ship reception chamber 9 is fallen, underwater penetration by floating drum 8 is the gravitational difference between adjustable and balancing weight and the ship reception chamber, thereby the employing the technical solution of the utility model is controlled comparatively easyly, reduces the complexity of ship lift system.The speed of ship railway carriage or compartment operation is by the speed control of water inlet or sluicing.
In the scheme such as Fig. 2 of optimizing, described vertical shaft 7 internal layers are vertical shaft steel cylinder 71, and vertical shaft steel cylinder 71 is open in the position of interconnecting part 73, and skin is vertical shaft concrete seven 2, is provided with a plurality of rollers 81 that contact with vertical shaft 7 inwalls at floating drum 8 outer walls.The roller that is provided for leading cooperates with the gathering sill of vertical shaft inside, can guarantee the stability that floating drum moves up and down.
In the scheme such as Fig. 3 of optimizing, also be provided with pressure sensor 13 between described extending beam 12 and the floating drum 8, thus pressure sensor, computer and and the up/down trip fill the control system that emptying valve forms driving ship reception chamber upstream or downstream.Floating drum 8 cylindrical shells in this example adopt circular configuration, consist of bearing frame by shaped steel, the outside is laid steel plate and is formed the closed tube shape structure, the extending beam 12 of ship reception chamber directly and floating drum be rigidly connected, pressure sensor is used for measuring the buoyancy of floating drum between extending beam 12 and floating drum 8.The difference of float buoyancy and gravity is exactly the driving force of ship reception chamber operation, just can adjust the supporting capacity of ship reception chamber by the size that changes floating drum.
The technical scheme core that realizes above-mentioned waterpower ship lift just is that interconnecting part 73 arranges from top to bottom on vertical shaft 7 walls a plurality of able to turn on or off and sealable closed gate device 2 each other, as shown in Figure 4, in the described closed gate device 2, closed gate 22 rotatably is flexibly connected by rotating shaft 23 with vertical shaft 7, and closed gate 22 also is connected with the hydraulic opening-closing device 24 that drives closed gate 22 keyings.Preferably, one side and the vertical shaft 7 of closed gate 22 are hinged by rotating shaft 23, usually between rotating shaft 23 and the closed gate 22 for being rigidly connected, and be connected for rotational slide between rotating shaft 23 and the bearing support that is fixed in vertical shaft 7, rotating shaft 23 also is fixedly connected with an end of connecting rod 26, hydraulic cylinder piston rod in the other end of connecting rod 26 and the hydraulic opening-closing device 24 is articulated and connected, and the other end and the vertical shaft of hydraulic cylinder are hinged.Keying by the extension and contraction control closed gate 22 of hydraulic cylinder.
In the scheme such as Fig. 4,6,8 of optimizing, be provided with pillow block 222 in the lower end of closed gate 22, the upper end of closed gate 22 is provided with pillow block 222 and forms a cushion block 221 that is sealed and matched.Structure thus, closed gate 22 from top to bottom avoids the water in the vertical shaft to leak also forming sealing between mutually under the seal operation state.
In the scheme such as Fig. 8 of optimizing, also be provided with P shape rubber 223 in the lower end of closed gate 22, the upper end of closed gate 22 also is provided with P shape rubber 223 and forms the sealing panel 224 that is sealed and matched.Structure thus, when closed gate 22 was closed, pillow block 222 formed the steel waterstop sealing with a cushion block 221, and P shape rubber 223 forms the rubber water-proof sealing with sealing panel 224, therefore all formed double seal at upper and lower sides, guaranteed that the sealing effectiveness of closed gate is reliable and stable.
In the scheme such as Fig. 5 of optimizing, also be provided with for the locking device 21 that pins closed gate 22 at rotating shaft 23 opposite sides of closed gate 22.Structure has been strengthened the force structure when closed gate 22 seals thus, becomes the bilateral locking by one-sided locking, avoids causing because hydraulic pressure is excessive the seal failure of closed gate 22.
In the scheme such as Fig. 5 of optimizing, in the described locking device 21, drive the dead bolt motion by telescoping mechanism and realize locking, the work plane of described dead bolt contact closed gate 22 is lozenges.Telescoping mechanism in this example is hydraulic cylinder, and the Driven by Hydraulic Cylinder dead bolt is flexible to be used for locking closed gate 22, is the structure of lozenges by work plane, in the process that dead bolt stretches out, closed gate 22 more can lock tighter, thereby guarantee that sealing reliably.
In the scheme such as Fig. 4-7 of optimizing, at least one side that is positioned at closed gate 22 at the interconnecting part 73 of vertical shaft 7 also is provided with hydraulic pressure holding device 25, all is provided with hydraulic pressure holding device 25 in this example in both sides.In the described hydraulic pressure holding device 25, at least two hold out against hydraulic cylinder 251 and are connected with top-fastening rod 252, described top-fastening rod 252 length are identical with the height of closed gate 22, each top-fastening rod 252 arranged in dislocation of optimizing as laying bricks, allow the gap stagger, thereby enhancing sealing, can prevent simultaneously lock gate leaf corner angle incised wound rubber water sealing, outside top-fastening rod 252, also be provided with the rubber water sealing 253 that sealing coats, as shown in Figure 7.Closed gate in this example is steel construction piece, two sides all are welded with stainless sealing panel about it, form the integral sealing of two sides with the rubber water sealing 253 of hydraulic pressure holding device 25 on the vertical shaft, two piston rods that hold out against hydraulic cylinder 251 are connected with top-fastening rod 252, the length of top-fastening rod 252 is identical with the closed gate height, because closed gate is to rotatablely move, spoil rubber water sealing 253 when adopting this structure can avoid closed gate to open and close rotation, in the side near rotating shaft 23 free bearings, gap between closed gate and the vertical shaft body of wall is little, top-fastening rod 252 flexible strokes are little, and in the other side of closed gate, gap between closed gate and the vertical shaft body of wall is large, the flexible stroke of hydraulic top piston rod is large, just can not interfere with rubber water sealing 253 when such design can guarantee the closed gate rotary opening and closing, thereby prolong application life of rubber water sealing 253.
In the scheme such as Fig. 4 of further optimizing, the height of described rubber water sealing 253 is identical with the height of vertical shaft 7 interconnecting parts 73.Structure has further been guaranteed the reliability that rubber water sealing 253 seals thus, has reduced the leakage of vertical shaft 7.
The integrally-built course of work of the utility model is as follows:
Ship is up:
The water surface flushes with the channel downstream water surface in the ship reception chamber, ship reception chamber upstream door is in closed condition, upstream, ship railway carriage or compartment anticollision device, collision-prevention device is in crashproof state, ship reception chamber downstream anticollision device, collision-prevention device is in the navigation state, open ship reception chamber downstream gate and lower tail-bay work gate 16, boats and ships are advanced into ship reception chamber and heaving pile on channel downstream, ship reception chamber 9 downstream anticollision device, collision-prevention devices rise the crashproof state that is in, close ship reception chamber downstream gate and tail-bay work gate 16, start fill/drainage system drains the tail gates Interstitial Water, sluice complete after, regain gap sealing mechanism, the left side of ship reception chamber, right jacking mechanism is return, and downstream drain valve 6 cuts out, and upstream water intaking valve 3 is opened; The vertical shaft 7 interior waters surface rise, the buoyancy of floating drum is greater than gravity, drive ship reception chamber 9 rising operations, the closed gate device 2 that is positioned at ship reception chamber extending beam 12 belows is closed one by one successively, corresponding locking device 21 and hydraulic pressure holding device 25 are also and then closed sealing, the water surface constantly rises, when ship reception chamber 9 standard depth water surface curves with after the Upstream Navigation Waterway water surface flushes, upstream water intaking valve 3, adopt piston valve also to close in this example, ship reception chamber is out of service, and ship reception chamber 9 locks the left side of ship reception chamber with the locking device that docks of dam body, right jacking mechanism is released, the clearance seal frame is released, start and to fill/the drainage system gate gap water-filling that makes progress, ship reception chamber upstream anticollision device, collision-prevention device sinks to being in the navigation state, the crashproof state that is in so falls in lower of downstream anticollision device, collision-prevention device, and Interstitial Water is with after ship reception chamber 9 waters surface flush, close and fill/drainage system, open ship reception chamber upstream door and head bay work gate 15, the boats and ships up ship reception chamber that leaves that unties the mooring rope, up operational process finishes.
Ship is descending
After finishing, up operational process changes the downflow operation over to.Difference place of downflow and upflow is exactly: upstream water intaking valve 3 is closed, and downstream drain valve 6 is opened, and the water surface in the vertical shaft descends, and ship reception chamber also descends together.The closed gate device 2 that is positioned at ship reception chamber crossbeam below is opened one by one successively, and corresponding locking device 21 and hydraulic pressure holding device 25 are opened simultaneously.Along with the water surface constantly descends, when ship reception chamber 9 standard depth water surface curves with after the channel downstream water surface flushes, downstream drain valve 6 cuts out, ship reception chamber is out of service.Other actions are with up identical.
Operation condition is analyzed
One, nominal situation analysis:
1, ship reception chamber is up: when ship reception chamber is up, open upstream water intaking valve 3, water in the dam flows in the vertical shaft through water-supply-pipe 4, during interior closed gate of the every rise of the water surface 22 height of vertical shaft, close a fan closed gate 22, the speed of ship railway carriage or compartment operation equals the speed that the water surface rises in the vertical shaft, and closed gate device 2 is so closed from top to bottom successively, the buoyancy of water body is greater than the gravity of floating drum in the vertical shaft, and both differences are exactly the up driving force of ship reception chamber 9.
2, ship reception chamber is descending: when ship reception chamber 9 is descending, open downstream drain valve 6, water body flows out vertical shaft through tapping pipe 5 in the vertical shaft, liquid level descends in the vertical shaft, during interior closed gate of the every decline of the water surface 22 height of vertical shaft, open a fan closed gate 22, the gravity of floating drum is greater than buoyancy, and both differences are exactly the descending driving force of ship reception chamber 9.
Two, analyzing danger case:
When 1, ship reception chamber 9 leaks: ship reception chamber 9 water leakages hour, can be by the embedded part friction catch on ship reception chamber 9 clamping devices and the king-post, when the speed of service of ship reception chamber 9 surpasses certain value, the closed gate 22 of ship reception chamber extending beam 12 tops is closed under anhydrous state, it is up to stop ship reception chamber 9 to continue, and ship reception chamber is locked on the king-post.
When 2, ship reception chamber 9 overloaded: during ship reception chamber 9 overload operation, still first by embedded part friction fit braking on ship reception chamber 9 clamping devices and the king-post, when ship reception chamber 9 downstream rates surpassed certain value, bottom closed gate 22 was no longer opened, and ship reception chamber 9 is locked on the king-post.
Therefore, adopt scheme of the present utility model can significantly improve security performance.

Claims (10)

1. dam waterpower ship lift closed gate device, comprise vertical shaft (7), it is characterized in that: vertical shaft (7) one sides are provided with open interconnecting part (73), interconnecting part (73) be provided with from top to bottom a plurality of able to turn on or off and mutually between can form the closed gate device (2) of sealing.
2. a kind of dam waterpower ship lift closed gate device according to claim 1, it is characterized in that: in the described closed gate device (2), closed gate (22) rotatably is flexibly connected by rotating shaft (23) with vertical shaft (7), and closed gate (22) also is connected with the hydraulic opening-closing device (24) that drives closed gate (22) keying.
3. a kind of dam waterpower ship lift closed gate device according to claim 2, it is characterized in that: a side of closed gate (22) and vertical shaft (7) are hinged by rotating shaft (23), between rotating shaft (23) and the closed gate (22) for being rigidly connected, be connected for rotational slide between rotating shaft (23) and the bearing support that is fixed in vertical shaft (7), rotating shaft (23) also is fixedly connected with an end of connecting rod (26), hydraulic cylinder piston rod in the other end of connecting rod (26) and the hydraulic opening-closing device (24) is articulated and connected, and the other end of hydraulic cylinder and vertical shaft (7) are hinged.
4. a kind of dam waterpower ship lift closed gate device according to claim 2, it is characterized in that: be provided with pillow block (222) in the lower end of closed gate (22), the upper end of closed gate (22) is provided with pillow block (222) and forms a cushion block (221) that is sealed and matched.
5. according to claim 1 or 4 described a kind of dam waterpower ship lift closed gate devices, it is characterized in that: also be provided with P shape rubber (223) in the lower end of closed gate (22), the upper end of closed gate (22) also is provided with P shape rubber (223) and forms the sealing panel (224) that is sealed and matched.
6. a kind of dam waterpower ship lift closed gate device according to claim 1 is characterized in that: also be provided with for the locking device (21) that pins closed gate (22) on the vertical shaft (7) of rotating shaft (23) opposite side of closed gate (22).
7. a kind of dam waterpower ship lift closed gate device according to claim 6, it is characterized in that: in the described locking device (21), drive the dead bolt motion by telescoping mechanism and realize locking, the work plane of described dead bolt contact closed gate (22) is lozenges.
8. a kind of dam waterpower ship lift closed gate device according to claim 7, it is characterized in that: described telescoping mechanism is hydraulic cylinder.
9. a kind of dam waterpower ship lift closed gate device according to claim 1, it is characterized in that: at least one side that the interconnecting part (73) in vertical shaft (7) is positioned at closed gate (22) also is provided with hydraulic pressure holding device (25), in the described hydraulic pressure holding device (25), at least two hold out against hydraulic cylinder (251) and are connected with top-fastening rod (252), described top-fastening rod (252) length is identical with the height of closed gate (22), also is provided with the rubber water sealing (253) that sealing coats outside top-fastening rod (252).
10. a kind of dam waterpower ship lift closed gate device according to claim 9, it is characterized in that: the height of described rubber water sealing (253) is identical with the height of interconnecting part (73).
CN 201320292848 2013-05-27 2013-05-27 Closed gate device of dam waterpower ship lift Expired - Fee Related CN203247566U (en)

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CN 201320292848 CN203247566U (en) 2013-05-27 2013-05-27 Closed gate device of dam waterpower ship lift

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103290825A (en) * 2013-05-27 2013-09-11 三峡大学 Sealed gate devices of dam hydraulic power ship lifter
CN108914907A (en) * 2018-06-13 2018-11-30 杭州国电机械设计研究院有限公司 A kind of automatic control flow chart of full-balance steel wire rope winch-type vertical ship lift

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103290825A (en) * 2013-05-27 2013-09-11 三峡大学 Sealed gate devices of dam hydraulic power ship lifter
CN103290825B (en) * 2013-05-27 2016-02-24 三峡大学 A kind of dam hydraulic power ship lifter closed gate device
CN108914907A (en) * 2018-06-13 2018-11-30 杭州国电机械设计研究院有限公司 A kind of automatic control flow chart of full-balance steel wire rope winch-type vertical ship lift
CN108914907B (en) * 2018-06-13 2019-12-24 杭州国电机械设计研究院有限公司 Automatic control process of full-balanced type steel wire rope winch type vertical ship lift

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C17 Cessation of patent right
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Granted publication date: 20131023

Termination date: 20140527