CN1042449C - Centralized water flowing system of ship lock - Google Patents
Centralized water flowing system of ship lock Download PDFInfo
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- CN1042449C CN1042449C CN 94101539 CN94101539A CN1042449C CN 1042449 C CN1042449 C CN 1042449C CN 94101539 CN94101539 CN 94101539 CN 94101539 A CN94101539 A CN 94101539A CN 1042449 C CN1042449 C CN 1042449C
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- energy dissipating
- lock
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Abstract
The present invention relates to the field of a concentrated water transmission system for ship locks. The present invention is characterized in that the present invention has no mitigatory section, namely that an energy dissipating chamber is arranged in a head bay or a tail bay of a ship lock; a water yielding channel which stretches over the lock in the width direction is arranged in the energy dissipating chamber; more than one water yielding holes are arranged at the lower part of the water yielding channel; the water yielding holes keep a certain distance with the bottom of the dissipating chamber; a water flow channel is arranged at both sides of the upper river and the lower river of the water yielding channel, which makes the water surface in the lock chamber smooth in the process of water transmission, makes the stable poise condition of ships passing through the ship lock better, and makes the safety degree higher. The present invention has a favorable water environment for ships which stop to wait for passing through a lock and for normal operation in a lower lock approach, and shortens the distance between a discharge opening and an anchorage region.
Description
What the present invention relates to is ship lock field in the water transport traffic engineering, particularly ship lock concentration water-carriage system field.
Ship lock is the navigation structure that inland river water transport traffic is extensively adopted.Traditionally, in, the general employing of low lift lock concentrate the water delivery pattern, current input lock chamber or the energy dissipating mode that leaks into lower approach are divided into the current level substantially and go out stream or go out stream vertically upward, add members such as energy dissipating beam, bank or plate in addition again and form.But exist energy dissipating insufficient, the violent shortcoming of water level fluctuation in lock chamber or the lower approach, therefore every ship lock all will be defined in back, energy dissipating chamber by " ship lock design specifications " calm section is set, generally get 6～12 meters, specifically can calculate, and the lockage boats and ships only allow to be docked in after the calm section, so the lock chamber engineering is big by " ship lock design specifications " 2.2.1 bar 2.2.1 formula, each lockage water consumption is bigger, and lockage lasts longer.Since the establishment of the nation China build 700 surplus in the seat, the low lift lock water-carriage system all is to concentrate the water delivery pattern that calm section all is set, wherein having only a design maximum head is 11 meters.
Purpose of the present invention just is to overcome the deficiency of above-mentioned prior art, and a kind of ship lock concentration water-carriage system of mouthful energy dissipating non-stilling lock section is provided, and it is steady that it makes the lock chamber water surface in the ship lock water-delivery process, need not to be provided with calm section; It is better that the boats and ships lockage is moored steady condition, the degree of safety height; Make lower approach interior boats and ships stop wait lockage and normal operation waterpower environment good, shorten the distance between discharge opening and the berthing space; Make end filling and emptying system be applicable to the ship lock that design head is higher.
For achieving the above object, design of the present invention is to utilize the abundant energy dissipating of the water body of energy dissipating chamber as far as possible.Adopt mouth to go out to flow the energy dissipating mode for this reason.The specific implementation measure is:
(1) at one water outlet gallery of the indoor setting of energy dissipating, below the water outlet gallery, opens more than one weep hole, keep certain distance at the bottom of weep hole and the energy dissipating chamber across the ship lock width.It has changed direction that former end filling and emptying system current enter the level of energy dissipating chamber or go out stream up becomes vertical or near vertical goes out stream down, thereby utilizes energy dissipating chamber water body to come abundant energy dissipating as far as possible.Both sides, upstream and downstream at the water outlet gallery are provided with water stream channel, the water beam of portalling is broken down into two strands of current that operating path is different at the bottom of reaching the energy dissipating chamber, the water outlet gallery both sides water stream channel of flowing through respectively, two strands of current arrive at lock chamber or there is the time difference in the same cross section of lower approach, to cut down wave force.
(2) for avoiding head-on current liquidate loss and irregular fluctuation thereof, improve emptying effectiveness, improve the current plateau, oblique partition wall is set in the water outlet gallery, form separately independently branch's gallery.
Detailed structure of the present invention is: falling one water outlet gallery across the ship lock width of the indoor setting of energy dissipating of mouthful energy dissipating non-stilling lock section end filling and emptying system ship lock head bay or tail-bay, more than one weep hole is opened in water outlet gallery below, keeps 1～3 meter distance at the bottom of weep hole and the energy dissipating chamber; The both sides, upstream and downstream of water outlet gallery are provided with water stream channel; In the water outlet gallery, oblique partition wall is set; Water outlet gallery crest level and longitudinal size thereof are decided on design condition.Wherein head bay water outlet gallery crest level is higher than or is same as the minimum design navigable water stage in downstream, and its longitudinal size is greater than 3 meters; Elevation maintains an equal level at the bottom of tail-bay water outlet gallery crest level and the lower approach, and its longitudinal size is greater than 3 meters.
Mouthful energy dissipating non-stilling lock section end filling and emptying system biggest advantage provided by the invention is that the current that make head bay input lock chamber or tail-bay leak into lower approach are able to abundant energy dissipating, and decompose its wave force, make the interior water surface of lock chamber or lower approach steady, boats and ships lockage degree of safety height, water delivery lasts weak point, and water consumption is little.During the greatest benefit of its generation is every, low lift lock can save 6～12 meters long calm section at least, promptly economizes 6～12 meters long lock chamber length.Save each water seal consumption of crossing simultaneously, shorten each lockage and last, shorten the stop of boats and ships wait lockage and distinguish to the distance between the tail-bay.
Description of drawings:
Fig. 1,2 is head bay layout schematic diagram of the present invention,
Fig. 3,4 is embodiment 1 arrangement diagram,
Fig. 5,6 is embodiment 2 arrangement diagrams,
Fig. 7,8 is embodiment 3 arrangement diagrams,
Fig. 9,10 is embodiment 4 arrangement diagrams,
Wherein:
1. the highest design navigable water stage 2. water inlets in upstream 3. water-delivery valves
4. gallery 5. water outlet gallerys 6. weep holes are lacked in water delivery
7. oblique partition wall energy dissipating chambers 8. 9. water stream channels
10. minimum design navigable water stage 11. lock chambers in downstream
12. lock chamber (or lower approach) end elevation
13. water outlet gallery crest level
14. water outlet gallery longitudinal size
The direction of arrow is the direction of current among Fig. 1.
Further set forth structure of the present invention below in conjunction with embodiment and Fig. 2,3,4,5:
Embodiment 1:
As shown in Figure 2, a lift lock, 7.8 meters of design heads, lock chamber (11) are of a size of 140 meters * 14 meters * 2.0 meters (long * wide * the initial depth of water, as not establish calm section).Water outlet gallery (5) across the ship lock width is set in head bay energy dissipating chamber (8) one, water outlet gallery crest level (13) maintains an equal level with the minimum design navigable water stage in downstream, its longitudinal size (14) is 6 meters, oblique partition wall (7) is set in water outlet gallery (5), form separately independently branch's gallery, open eight weep holes (6) below gallery, weep hole (6) keeps 1.5 meters distance with the end, energy dissipating chamber (8).Water-delivery valve (3) is in case open, and water is gone into water inlet (2), through the short gallery (4) of water delivery, changes water outlet gallery (5) over to, becomes vertical or near vertical is injected energy dissipating chamber (8) by weep hole (6), and is able to abundant energy dissipating, promptly falls mouthful to go out to flow energy dissipating; The water beam reaches energy dissipating chamber (8) during the end, is broken down into two strands of current, and the road is through water outlet gallery (5) both sides water stream channels (9) respectively, and stream is returned lock chamber (11), but two strands of current arrive at the difference of lasting in the same cross section of lock chamber, thereby weakens wave force.Although therefore calm section is not set, opening time is 180s to both sides valve (3) continuously synchronously, the lock chamber water surface is steady in the water filling process, design the maximum vertically cable tension of maximum barge less than 68.40% of permissible value, the maximum transversal cable tension is less than 46.0% of permissible value, the lock chamber water-filling is lasted for 505s, and the monolateral continuous unlatching boats and ships cable tension of valve (3) is littler, meets design requirement fully; Economize 27 meters calm sections, promptly save 27 meters lock chamber length (account for lock chamber length 19%), 2948 meters of each lockage water-saving consumptions
3, shorten water-filling and last 12.5%.
Embodiment 2:
As shown in Figure 3, a lift lock, 10.0 meters of design heads, lock chamber (11) are of a size of 120 meters * 12 meters * 2.5 meters (long * wide * the initial depth of water, as not establish calm section).Water outlet gallery (5) across the ship lock width is set in head bay energy dissipating chamber (8) one, water outlet gallery crest level (13) can be higher than the minimum design navigable water stage in downstream (10), its longitudinal size (14) is 5.6 meters, because of design objective low, so oblique partition wall (7) is not set in water outlet gallery (5), offer nine weep holes (6) below the water outlet gallery, weep hole (6) keeps 2.00 meters distance with the end, energy dissipating chamber (8).Water-delivery valve (3) is in case open, and water is gone into water inlet (2), through the short gallery (4) of water delivery, changes water outlet gallery (5) over to, becomes vertical or near vertical is injected energy dissipating chamber (8) by weep hole (6), and is able to abundant energy dissipating, promptly falls mouthful to go out to flow energy dissipating; The water beam reaches energy dissipating chamber (8) during the end, is broken down into two strands of current, and the road is through water outlet gallery (5) both sides water stream channels (9) respectively, and stream is returned lock chamber (11), but two strands of current arrive at the difference of lasting in the same cross section of lock chamber, thereby weakens wave force.Although therefore calm section is not set, opening time is 180s to both sides valve (3) continuously synchronously, the lock chamber water surface is steady in the water filling process, the maximum vertically cable tension of design maximum fleet only is 48.60% of a permissible value, the maximum transversal cable tension only is 29.7% of a permissible value, the lock chamber water-filling is lasted for 700s, meets design requirement fully; Economize 21 meters calm sections (accounting for lock chamber length 17.6%), 2520 meters of each lockage water-saving consumptions
3
Embodiment 3:
As shown in Figure 4, a lift lock, 13.2 meters of design heads, lock chamber (11) are of a size of 120 meters * 12 meters * 2.5 meters (long * wide * the initial depth of water, as not establish calm section).Water outlet gallery (5) across the ship lock width is set in head bay energy dissipating chamber (8) one, water outlet gallery elevation (13) is identical with the minimum design navigable water stage in downstream, its longitudinal size (14) is 6 meters, oblique partition wall (7) is set in water outlet gallery (5), form separately independently branch's gallery, open eight weep holes (6) below gallery, weep hole (6) keeps 2.2 meters distance with the end, energy dissipating chamber (8).Water-delivery valve (3) is in case open, and water is gone into water inlet (2), through the short gallery (4) of water delivery, changes water outlet gallery (5) over to, becomes vertical or near vertical is injected energy dissipating chamber (8) by weep hole (6), and is able to abundant energy dissipating, promptly falls mouthful to go out to flow energy dissipating; The water beam reaches energy dissipating chamber (8) during the end, is broken down into two strands of current, and the road is through water outlet gallery (5) both sides water stream channels (9) respectively, and stream is returned lock chamber (11), but two strands of current arrive at the difference of lasting in the same cross section of lock chamber, thereby weaken wave force.Although therefore calm section is not set, opening time is 360s to both sides valve (3) continuously synchronously, the lock chamber water surface is steady in the water filling process, the maximum vertically cable tension of maximum 2 * 500 tonnes of fleets of design only is 87.16% of a permissible value, the maximum transversal cable tension only is 36.45% of a permissible value, the lock chamber water-filling is lasted for 97s, the monolateral unlatching boats and ships of water-delivery valve (3) cable tension is littler, meet design requirement fully: economize 13.5 meters calm sections (account for lock chamber length 11.25%), 19008 meters of each lockage water-saving consumptions shorten water-filling and last 12.5%.
Embodiment 1:
As shown in Figure 5, one lift lock, 7.8 meters of design heads, lower approach is an asymmetric arrangement, water outlet gallery (5) across the ship lock width is set in tail-bay energy dissipating chamber (3) one, is maintained an equal level by water gallery crest level (13) and elevation at the bottom of the lower approach, its longitudinal size (14) is a h rice, offer 12 weep holes (6) in water outlet gallery (5) below, weep hole (6) keeps 1.5 meters distance with the end, energy dissipating chamber (8).Water-delivery valve (3) is in case open, and water is gone into water inlet (2), through the short gallery (4) of water delivery, changes water outlet gallery (5) over to, becomes vertical or near vertical is injected energy dissipating chamber (8) by weep hole (h), and is able to abundant energy dissipating, promptly falls mouthful to go out to flow energy dissipating; The water beam reaches energy dissipating chamber (8) during the end, is broken down into two strands of current, and the road flows into lower approach through water outlet gallery (5) both sides water stream channels (9) respectively, but two strands of current arrive at the same cross section of approach channel is arranged the time difference, thereby weakens wave force.The approach channel water surface is steady, spread intact, be docked in apart from the maximum vertically cable tension of the design maximum boats and ships at 48 meters of tail-bay and only be 35.70% of permissible value, the maximum transversal cable tension only is 48.47% of a permissible value, the maximum time average velocity in navigation channel is 0.60m/s, stops the district and can shift near 30 meters to tail-bay at least so boats and ships are waited for lockage.2948 meters of each lockage water-saving consumptions
3, shortening sluices lasts 12.4%
Claims (4)
1. one kind is fallen mouthful ship lock concentration water-carriage system of energy dissipating non-stilling lock section, be provided with the energy dissipating chamber at ship lock head bay or tail-bay, it is characterized in that being provided with in the energy dissipating chamber (8) one water outlet gallery (5) across the ship lock width, more than one weep hole (6) is opened in water outlet gallery (5) below, and the weep hole (6) and the end, energy dissipating chamber (8) keep 1～3 meter distance; The both sides, upstream and downstream of water outlet gallery (5) are provided with water stream channel (9).
2. mouthful energy dissipating according to claim 1 does not have town's section ship lock concentration water-carriage system, it is characterized in that in the water outlet gallery (5) oblique partition wall (7) being set.
3. according to claim 1 and 2ly fall a mouthful energy dissipating and do not have town's section ship lock concentration water-carriage system, it is characterized in that head bay water outlet gallery crest level (13) is higher than or is same as the minimum design navigable water stage in downstream, its longitudinal size (14) is greater than 3 meters.
4. mouthful energy dissipating according to claim 1 and 2 does not have town's section ship lock concentration water-carriage system, it is characterized in that tail-bay water outlet gallery crest level (13) and elevation at the bottom of the lower approach are fair, and its longitudinal size (14) is greater than 3 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94101539 CN1042449C (en) | 1994-03-07 | 1994-03-07 | Centralized water flowing system of ship lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94101539 CN1042449C (en) | 1994-03-07 | 1994-03-07 | Centralized water flowing system of ship lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1108329A CN1108329A (en) | 1995-09-13 |
| CN1042449C true CN1042449C (en) | 1999-03-10 |
Family
ID=5030235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94101539 Expired - Fee Related CN1042449C (en) | 1994-03-07 | 1994-03-07 | Centralized water flowing system of ship lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1042449C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587343B (en) * | 2012-04-06 | 2015-11-18 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of non-inertia equilibrium filling and emptying system method for arranging of hydraulic-floating ship lift |
| CN103452089A (en) * | 2013-08-29 | 2013-12-18 | 孔章林 | High-water-level ship lock navigation method |
| CN103806425B (en) * | 2014-03-12 | 2015-11-18 | 长江水利委员会长江科学院 | A kind of high-lift lock dispersed delivery system |
-
1994
- 1994-03-07 CN CN 94101539 patent/CN1042449C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1108329A (en) | 1995-09-13 |
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