CN103290825B - A kind of dam hydraulic power ship lifter closed gate device - Google Patents
A kind of dam hydraulic power ship lifter closed gate device Download PDFInfo
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- CN103290825B CN103290825B CN201310199818.6A CN201310199818A CN103290825B CN 103290825 B CN103290825 B CN 103290825B CN 201310199818 A CN201310199818 A CN 201310199818A CN 103290825 B CN103290825 B CN 103290825B
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Abstract
A kind of dam hydraulic power ship lifter closed gate device, comprise vertical shaft, vertical shaft side is provided with open interconnecting part, interconnecting part be provided with from top to bottom multiple able to turn on or off and mutually between can form the closed gate device of sealing.In described closed gate device, closed gate is rotatably flexibly connected by rotating shaft with vertical shaft, and closed gate is also connected with the hydraulic opening-closing device driving closed gate to open and close.The present invention is by arranging multiple closed gate device from top to bottom in hoistway wall, thus can be formed between ship reception chamber and floating drum and be rigidly connected, by the opening and closing successively of closed gate device, hoistway wall can not with the ship reception chamber in running, and mainly the extending beam of ship reception chamber is formed and interferes.Rigidly connected scheme thus, hydraulic power ship lifter reduces for the requirement of control accuracy, and it is more convenient to control.And significantly improve safety.
Description
Technical field
The present invention relates to the ship lift field of accessories in hydraulic engineering, particularly a kind of closed gate device for dam hydraulic power ship lifter.
Background technology
Hydroelectric generation low-carbon environment-friendly is the most popular a kind of generation mode in the current whole world.Global water-power plant gets more and more, and the transport of this navigation channel to river brings certain influence, ship how having bypassed the dam site into a very popular research topic rapidly and efficiently.The mode of bypassing the dam site of current ship mainly contains the chain of locks and to bypass the dam site and vertical ship lift bypasses the dam site two kinds, and wherein, the chain of locks has safety, crosses the large advantage of ton, but speed of bypassing the dam site is very slow, the power station that particularly the dam discrepancy in elevation is larger; It is little that ton crossed comparatively speaking by vertical ship lift, but 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 primarily of gear-rack drive, because weight equalizer counteracts very most ship reception chamber weight, therefore the lifting action of ship reception chamber can be realized 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 heavy vertical shaft by utilizing the principle of communicating pipe and pour water, realize the adjustment of gravitational difference between balance weight and ship reception chamber, Problems existing is, needs the buoyancy of accurate adjustment balance weight to be very difficult to guarantee to balance.And because enough buoyancy will be produced, need the lower of the volume weight of balance weight, or at least there is a cavity, thus the volume of balance weight is larger.Balance weight is directly flexibly connected by wire rope and ship reception chamber, when in vertical shaft, water level rises very fast, floating drum can be made to increase fast, because wire rope is flexible body, pulling force can only be transmitted, 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 can make the water body in ship reception chamber ceaselessly rock, reduce the stability of ship reception chamber, and this shake causes the wire rope that unclamps easily mutually to be wound around or with miscellaneous part friction, and the wire rope of fracture is also easily wound around mutually, the dangerous accident of easy initiation.
Chinese patent literature 102426044A discloses a kind of liquid level measurement system for float bowl of hydraulic power floating type ship elevator, realize accurately controlling by water filling in floating drum, Problems existing is that control difficulty is very high, and still mainly rely on flexibly connecting of wire rope, there is the problem similar to Chinese patent 99116476.8, safety is difficult to ensure.Overcome this defect, floating drum and ship reception chamber can be rigidly connected, but vertical shaft can be formed the operation of floating drum interferes.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of dam hydraulic power ship lifter closed gate device, floating drum and ship reception chamber can be made to be formed be rigidly connected, and interference is not caused to the operation of ship reception chamber, in further improvement, device sealing of the present invention is reliable, in running, seal can not be formed closed gate and interfere, thus extends the application life of seal.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of dam hydraulic power ship lifter closed gate device, comprise vertical shaft, vertical shaft side is provided with open interconnecting part, interconnecting part be provided with from top to bottom multiple able to turn on or off and mutually between can form the closed gate device of sealing.
In described closed gate device, closed gate is rotatably flexibly connected by rotating shaft with vertical shaft, and closed gate is also connected with the hydraulic opening-closing device driving closed gate to open and close.
Side and the vertical shaft 7 of closed gate are hinged by rotating shaft, for being rigidly connected between rotating shaft and closed gate, rotating shaft with between the bearing support being fixed on vertical shaft for rotational slide is connected, rotating shaft is also fixedly connected with one end of connecting rod, hydraulic cylinder piston rod in the other end of connecting rod and hydraulic opening-closing device is articulated and connected, and the other end and the vertical shaft of hydraulic cylinder are hinged.
Be provided with pillow block in the lower end of closed gate, the upper end of closed gate is provided with the cushion block being formed with pillow block and be sealed and matched.
Also be provided with P shape rubber in the lower end of closed gate, the upper end of closed gate is also provided with and forms with P shape rubber the sealing panel be sealed and matched.
The vertical shaft of the rotating shaft opposite side of closed gate is also provided with the locking device for pinning closed gate.
In described locking device, drive dead bolt to move realize locking by telescoping mechanism, the work plane of described dead bolt contact closed gate is lozenges.
Described telescoping mechanism is hydraulic cylinder.
At least side being positioned at closed gate at the interconnecting part of vertical shaft is also provided with hydraulic pressure holding device, in 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, is also provided with the rubber water sealing that sealing is coated outside top-fastening rod.
The height of described rubber water sealing is identical with the height of interconnecting part.
A kind of dam hydraulic power ship lifter closed gate device provided by the invention, by arranging multiple closed gate device from top to bottom in hoistway wall, thus can be formed between ship reception chamber and floating drum and be rigidly connected, by the opening and closing successively of closed gate device, hoistway wall can not with the ship reception chamber in running, and mainly the extending beam of ship reception chamber is formed and interferes.Rigidly connected scheme thus, hydraulic power ship lifter reduces for the requirement of control accuracy, and it is more convenient to control.And significantly improve safety.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the integrally-built schematic front view of hydraulic power ship lifter.
Fig. 2 is the integrally-built schematic top plan view of hydraulic power ship lifter.
Fig. 3 is the E-E cross-sectional schematic of Fig. 2.
Fig. 4 is overall structure schematic diagram of the present invention.
Fig. 5 is the partial enlarged drawing at A place in Fig. 2.
Fig. 6 is the partial enlarged drawing at B place in Fig. 1.
Fig. 7 is the partial enlarged drawing at C place in Fig. 5.
Fig. 8 is the partial enlarged drawing at D place in Fig. 3.
In 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, hold 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.
Detailed description of the invention
For understanding the present invention fully, need to understand the hydraulic power ship lifter in the present invention.As in Fig. 1-3, a kind of dam hydraulic power ship lifter, comprise ship reception chamber 9, head bay work gate 15, tail-bay work gate, ship reception chamber 9 is walked around equalizer pulley group 14 with weight equalizer 10 by wire rope 11 and is connected, at least one vertical shaft 7 is provided with at the sidepiece of ship reception chamber 9, the side of vertical shaft 7 is communicated with the space holding ship reception chamber 9, interconnecting part 73 be provided with from top to bottom multiple able to turn on or off and mutual between can form the closed gate device 2 of sealing; Namely realize sealing between each closed gate device 2 and interconnecting part 73, as in Fig. 4, between each closed gate device 2, sealing can be realized under the state of sealing.In this example, as Figure 1-3, vertical shaft 7 is two, and be positioned at the side of ship reception chamber 9, but adopt other quantity according to the volume of ship reception chamber 9, such as 1-6 vertical shaft 7 is also feasible, or the both sides of the ship reception chamber 9 that is placed in by vertical shaft 7 are to guarantee that stress equalization is also feasible, only need guarantee that vertical shaft is not connected with the space at weight equalizer place.
Be provided with floating drum 8 in vertical shaft 7, ship reception chamber 9 is rigidly connected with floating drum 8 by the extending beam 12 through interconnecting part 73; Structure thus, the buoyancy suffered by floating drum 8 has all been directly passed to ship reception chamber 9, does not postpone in transmittance process, avoids the phenomenon occurring that in prior art, rope loosing is wound around.
As in Fig. 1, be communicated with the tapping pipe 5 being communicated with downstream with the water inlet pipe 1 being communicated with upstream respectively by water-supply-pipe 4 bottom vertical shaft 7, described water inlet pipe 1 is provided with water intaking valve 3, and tapping pipe 5 is provided with drain valve 6.Also trashrack is provided with in the entrance of water inlet pipe 1.The bottom of each vertical shaft 7 is communicated with by water-supply-pipe 4, open water intaking valve 3 and close drain valve 6, then water inlet in vertical shaft 7, the buoyancy of generation makes ship reception chamber 9 rise, and drain valve 6 is opened, water intaking valve 3 is closed, vertical shaft 7 internal drainage, and ship reception chamber 9 is fallen, by the underwater penetration of floating drum 8 and the gravitational difference between adjustable and balancing weight and ship reception chamber, thus adopt technical scheme of the present invention, control comparatively easy, reduce the complexity of ship lift system.The speed that ship railway carriage or compartment is run is by the speeds control of intaking or sluicing.
The scheme optimized is as in Fig. 2, and described vertical shaft 7 internal layer is 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 roller 81 that is multiple and vertical shaft 7 contact internal walls at floating drum 8 outer wall.Arrange and coordinate with the gathering sill of vertical shaft inside for the roller led, the stability that floating drum moves up and down can be ensured.
The scheme optimized, as in Fig. 3, is also provided with pressure sensor 13 between described extending beam 12 and floating drum 8, thus pressure sensor, computer and and up/down trip fill the control system that emptying valve composition drives ship reception chamber upstream or downstream.Floating drum 8 cylindrical shell in this example adopts circular configuration, form bearing frame by shaped steel, outside is laid steel plate and is formed closed tube shape structure, the extending beam 12 of ship reception chamber directly and floating drum be rigidly connected, pressure sensor between extending beam 12 and floating drum 8, for measuring the buoyancy of floating drum.The difference of float buoyancy and gravity is exactly the driving force that ship reception chamber runs, and just can be adjusted the supporting capacity of ship reception chamber by the size changing floating drum.
The technical scheme core realizing above-mentioned hydraulic power ship lifter be just that interconnecting part 73 on vertical shaft 7 wall arranges from top to bottom multiple able to turn on or off and sealable closed gate device 2 each other, as shown in Figure 4, in described closed gate device 2, closed gate 22 is rotatably flexibly connected by rotating shaft 23 with vertical shaft 7, and closed gate 22 is also connected with the hydraulic opening-closing device 24 driving closed gate 22 to open and close.Preferably, side and the vertical shaft 7 of closed gate 22 are hinged by rotating shaft 23, for being rigidly connected between usual rotating shaft 23 and closed gate 22, and rotating shaft 23 with between the bearing support being fixed on vertical shaft 7 for rotational slide is connected, rotating shaft 23 is also fixedly connected with one end of connecting rod 26, hydraulic cylinder piston rod in the other end of connecting rod 26 and hydraulic opening-closing device 24 is articulated and connected, and the other end and the vertical shaft of hydraulic cylinder are hinged.By the keying of the extension and contraction control closed gate 22 of hydraulic cylinder.
The scheme optimized, as in Fig. 4,6,8, is provided with pillow block 222 in the lower end of closed gate 22, and the upper end of closed gate 22 is provided with the cushion block 221 being formed with pillow block 222 and be sealed and matched.Structure thus, also forms sealing between closed gate 22 is from top to bottom mutual under seal operation state, avoids the water in vertical shaft to leak.
The scheme optimized is as in Fig. 8, and be also provided with P shape rubber 223 in the lower end of closed gate 22, the upper end of closed gate 22 is also provided with and forms with P shape rubber 223 the sealing panel 224 be sealed and matched.Structure thus, when closed gate 22 is closed, pillow block 222 forms steel waterstop sealing with a cushion block 221, and P shape rubber 223 and sealing panel 224 form rubber water-proof and seal, therefore all define double seal at upper and lower sides, guarantee that the sealing effectiveness of closed gate is reliable and stable.
The scheme optimized, as in Fig. 5, is also provided with the locking device 21 for pinning closed gate 22 at rotating shaft 23 opposite side of closed gate 22.Structure thus, enhances force structure when closed gate 22 is closed, becomes bilateral locking from one-sided locking, avoids the seal failure causing closed gate 22 because hydraulic pressure is excessive.
The scheme optimized, as in Fig. 5, in described locking device 21, drives dead bolt to move by telescoping mechanism and realizes locking, and the work plane of described dead bolt contact closed gate 22 is lozenges.Telescoping mechanism in this example is hydraulic cylinder, and flexible being used for of Driven by Hydraulic Cylinder dead bolt locks closed gate 22, is the structure of lozenges, in the process that dead bolt stretches out, can locks tighter and tighter by closed gate 22 by work plane, thus guarantees that sealing is reliable.
The scheme optimized is as in Fig. 4-7, and at least side being positioned at closed gate 22 at the interconnecting part 73 of vertical shaft 7 is also provided with hydraulic pressure holding device 25, is all provided with hydraulic pressure holding device 25 in this example in both sides.In 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, each top-fastening rod 252 arranged in dislocation optimized, as laying bricks, allows gap stagger, thus enhancing sealing, can prevent lock gate leaf corner angle from hurting rubber water sealing simultaneously, outside top-fastening rod 252, also be provided with the rubber water sealing 253 that sealing is coated, as shown in Figure 7.Closed gate in this example is steel construction piece, about it, two sides are all welded with stainless sealing panel, the integral sealing of two sides is formed with the rubber water sealing 253 of hydraulic pressure holding device 25 on vertical shaft, two piston rods holding out against hydraulic cylinder 251 are connected with top-fastening rod 252, the length of top-fastening rod 252 is identical with closed gate height, because closed gate is rotary motion, adopt this structure that closed gate can be avoided to open and close when rotating and spoil rubber water sealing 253, in the side near rotating shaft 23 free bearing, gap between closed gate and vertical shaft body of wall is little, top-fastening rod 252 stroke that stretches is little, and in the other side of closed gate, gap between closed gate and vertical shaft body of wall is large, the hydraulic top piston rod stroke that stretches is large, such design would not interfere with rubber water sealing 253 when can ensure closed gate rotary opening and closing, thus extend the application life of rubber water sealing 253.
The scheme of further optimization is as in Fig. 4, and the height of described rubber water sealing 253 is identical with the height of vertical shaft 7 interconnecting part 73.Structure thus, further ensure that and the reliability that rubber water sealing 253 seals decrease the leakage of vertical shaft 7.
The integrally-built course of work of the present invention is as follows:
Ship is up:
In ship reception chamber, the water surface flushes with the channel downstream water surface, 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 navigation state, open ship reception chamber downstream gate and lower tail-bay work gate, boats and ships are advanced into ship reception chamber and heaving pile on channel downstream, ship reception chamber 9 downstream anticollision device, collision-prevention device rises and is in crashproof state, close ship reception chamber downstream gate and tail-bay work gate, start and fill/drainage system excretion tail gates Interstitial Water, after sluicing, regain gap sealing mechanism, a left side for ship reception chamber, right jacking mechanism is return, downstream drain valve 6 cuts out, upstream water intaking valve 3 is opened, in vertical shaft 7, the water surface rises, the buoyancy of floating drum is greater than gravity, drive ship reception chamber 9 to rise to run, the closed gate device 2 be positioned at below ship reception chamber extending beam 12 is closed one by one successively, corresponding locking device 21 and hydraulic pressure holding device 25 also and then close sealing, the water surface constantly rises, after ship reception chamber 9 standard depth water surface curve flushes with the Upstream Navigation Waterway water surface, upstream water intaking valve 3, piston valve is adopted also to close in this example, ship reception chamber is out of service, ship reception chamber 9 locks with the locking device that docks of dam body, a left side for ship reception chamber, right jacking mechanism is released, clearance seal frame is released, start and fill/drainage system upwards gate gap water-filling, ship reception chamber upstream anticollision device, collision-prevention device sinks to being in navigation state, lower of downstream anticollision device, collision-prevention device so falls and is in crashproof state, after Interstitial Water flushes with ship reception chamber 9 water surface, / drainage system is filled in closedown, open ship reception chamber upstream door and head bay work gate 15, boats and ships untie the mooring rope and uply leave ship reception chamber, up operational process terminates.
Ship is descending
Proceed to downflow after up operational process terminates to run.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 vertical shaft declines, and ship reception chamber also declines together.The closed gate device 2 be positioned at below ship reception chamber crossbeam 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 declines, after ship reception chamber 9 standard depth water surface curve flushes with the channel downstream water surface, downstream drain valve 6 cuts out, and ship reception chamber is out of service.Other actions are identical with up.
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 dam flows in vertical shaft through water-supply-pipe 4, in vertical shaft the water surface often go up closed gate 22 height time, close a fan closed gate 22, the speed that ship railway carriage or compartment is run equals the speed that in vertical shaft, the water surface rises, and closed gate device 2 is so closed from top to bottom successively, in vertical shaft, the buoyancy of water body is greater than the gravity of floating drum, 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, in vertical shaft, water body flows out vertical shaft through tapping pipe 5, in vertical shaft, liquid level declines, in vertical shaft the water surface often decline closed gate 22 height time, 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:
1, when ship reception chamber 9 leaks: ship reception chamber 9 water leakage hour, can by the embedded part friction catch on ship reception chamber 9 clamping device and king-post, when the speed of service of ship reception chamber 9 exceedes certain value, closed gate 22 above ship reception chamber extending beam 12 is closed under anhydrous conditions, stop ship reception chamber 9 to continue up, ship reception chamber is locked on king-post.
2, when ship reception chamber 9 overloads: during ship reception chamber 9 overload operation, still first to be braked by embedded part friction fit on ship reception chamber 9 clamping device and king-post, when ship reception chamber 9 downstream rate exceedes certain value, bottom closed gate 22 is no longer opened, and is locked on king-post by ship reception chamber 9.
Therefore, the solution of the present invention is adopted significantly can to improve security performance.
Claims (8)
1. a dam hydraulic power ship lifter closed gate device, comprise vertical shaft (7), it is characterized in that: vertical shaft (7) side is provided with open interconnecting part (73), interconnecting part (73) be provided with from top to bottom multiple able to turn on or off and mutually between can form the closed gate device (2) of sealing;
In described closed gate device (2), closed gate (22) is rotatably flexibly connected by rotating shaft (23) with vertical shaft (7), and closed gate (22) is also connected with the hydraulic opening-closing device (24) driving closed gate (22) to open and close;
The vertical shaft (7) of rotating shaft (23) opposite side of closed gate (22) is also provided with the locking device (21) for pinning closed gate (22).
2. a kind of dam hydraulic power ship lifter closed gate device according to claim 1, it is characterized in that: side and the vertical shaft 7 of closed gate (22) are hinged by rotating shaft (23), for being rigidly connected between rotating shaft (23) and closed gate (22), rotating shaft (23) with between the bearing support being fixed on vertical shaft (7) for rotational slide is connected, rotating shaft (23) is also fixedly connected with one end of connecting rod (26), hydraulic cylinder piston rod in the other end of connecting rod (26) and hydraulic opening-closing device (24) is articulated and connected, the other end of hydraulic cylinder and vertical shaft (7) hinged.
3. a kind of dam hydraulic power ship lifter closed gate device according to claim 1, 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 the cushion block (221) being formed with pillow block (222) and be sealed and matched.
4. a kind of dam hydraulic power ship lifter closed gate device according to claim 1 or 3, it is characterized in that: be also provided with P shape rubber (223) in the lower end of closed gate (22), the upper end of closed gate (22) is also provided with the sealing panel (224) being formed with P shape rubber (223) and be sealed and matched.
5. a kind of dam hydraulic power ship lifter closed gate device according to claim 1, it is characterized in that: in described locking device (21), drive dead bolt to move by telescoping mechanism and realize locking, the work plane of described dead bolt contact closed gate (22) is lozenges.
6. a kind of dam hydraulic power ship lifter closed gate device according to claim 5, is characterized in that: described telescoping mechanism is hydraulic cylinder.
7. a kind of dam hydraulic power ship lifter closed gate device according to claim 1, it is characterized in that: at least side being positioned at closed gate (22) at the interconnecting part (73) of vertical shaft (7) is also provided with hydraulic pressure holding device (25), in 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), is also provided with the rubber water sealing (253) that sealing is coated outside top-fastening rod (252).
8. a kind of dam hydraulic power ship lifter closed gate device according to claim 7, is characterized in that: the height of described rubber water sealing (253) is identical with the height of interconnecting part (73).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310199818.6A CN103290825B (en) | 2013-05-27 | 2013-05-27 | A kind of dam hydraulic power ship lifter closed gate device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310199818.6A CN103290825B (en) | 2013-05-27 | 2013-05-27 | A kind of dam hydraulic power ship lifter closed gate device |
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| CN103290825A CN103290825A (en) | 2013-09-11 |
| CN103290825B true CN103290825B (en) | 2016-02-24 |
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| CN201310199818.6A Active CN103290825B (en) | 2013-05-27 | 2013-05-27 | A kind of dam hydraulic power ship lifter closed gate device |
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| CN110195428B (en) * | 2019-05-20 | 2024-03-22 | 浙江海洋大学 | Ship bearing box of gravity balance ship lift |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1029749B (en) * | 1956-11-27 | 1958-05-08 | Dortmunder Union Brueckenbau | Ship lift with floats arranged entirely or partially above ground on both sides of the ship's trough |
| DE1287522B (en) * | 1964-02-20 | 1969-01-16 | Holthoff Franz Josef | Ship lift with swimming pools arranged in side shafts |
| CN2403818Y (en) * | 1999-12-25 | 2000-11-01 | 中国长江三峡工程开发总公司 | Hydraulic floating torque balancing ship lift |
| CN203247566U (en) * | 2013-05-27 | 2013-10-23 | 三峡大学 | Closed gate device of dam waterpower ship lift |
-
2013
- 2013-05-27 CN CN201310199818.6A patent/CN103290825B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1029749B (en) * | 1956-11-27 | 1958-05-08 | Dortmunder Union Brueckenbau | Ship lift with floats arranged entirely or partially above ground on both sides of the ship's trough |
| DE1287522B (en) * | 1964-02-20 | 1969-01-16 | Holthoff Franz Josef | Ship lift with swimming pools arranged in side shafts |
| CN2403818Y (en) * | 1999-12-25 | 2000-11-01 | 中国长江三峡工程开发总公司 | Hydraulic floating torque balancing ship lift |
| CN203247566U (en) * | 2013-05-27 | 2013-10-23 | 三峡大学 | Closed gate device of dam waterpower ship lift |
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Effective date of registration: 20210922 Address after: 276000 North 200m west of the intersection of Fengxiang road and Shunda Road, Hedong District, Linyi City, Shandong Province (Ouke company) Patentee after: Linyi Guanyuan Technology Co.,Ltd. Address before: Room 35187, building 3, No. 1800, Panyuan Road, Changxing Town, Chongming District, Shanghai 202150 (Shanghai Taihe Economic Development Zone) Patentee before: Shanghai Oubei Industrial Co.,Ltd. Effective date of registration: 20210922 Address after: Room 35187, building 3, No. 1800, Panyuan Road, Changxing Town, Chongming District, Shanghai 202150 (Shanghai Taihe Economic Development Zone) Patentee after: Shanghai Oubei Industrial Co.,Ltd. Address before: 443002 No. 8, University Road, Yichang, Hubei Patentee before: CHINA THREE GORGES University |