CN207193884U - A kind of bottom permeable isolated niche for ship lock entrance area at approach channel - Google Patents
A kind of bottom permeable isolated niche for ship lock entrance area at approach channel Download PDFInfo
- Publication number
- CN207193884U CN207193884U CN201720911174.2U CN201720911174U CN207193884U CN 207193884 U CN207193884 U CN 207193884U CN 201720911174 U CN201720911174 U CN 201720911174U CN 207193884 U CN207193884 U CN 207193884U
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- China
- Prior art keywords
- pier
- ship lock
- plate
- approach channel
- entrance area
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Abstract
The utility model discloses a kind of bottom permeable isolated niche for ship lock entrance area at approach channel.Wherein, including the pier of multiple arrangements and the plate that is set between adjacent pier；Ship lock downstream core wall is provided between the bottom permeable isolated niche end and sluice gate；The pier includes the pier stud set on cushion cap and the cushion cap；The two sides being connected between the pier stud set vertical slot；The plate is plugged in the side vertical slot of adjacent pier stud；Described pier crest level is more than flood period power plant tail water position.The utility model has improvement entrance area at approach channel flow condition, ensures the safety of ship's navigation, is easy to the effect of site operation and installation maintenance.
Description
Technical field
The utility model belongs to navigation channel building field, more particularly to a kind of bottom for ship lock entrance area at approach channel
Permeable isolated niche.
Background technology
Outlet area of ship lock is the tie for connecting ship lock and river course, be in lock approach hydrostatic with outside the approach channel of hinge section
The transitional region of dynamic water, it is larger with steamer line angle, horizontal that severe entrance erea flow condition normally behaves as water (flow) direction
The problems such as flow velocity, longitudinal flow velocity and backflow flow velocity size are unsatisfactory for navigable flow standard and ship's navigation water depth deficiency.Mouth door
The flow condition in area decides the disengaging ship lock that can ship smooth and safe.Therefore improving approach channel entrance erea flow condition is
Important technological problems in ship lock construction.
Entrance erea flow condition divides improvement to generally require to build all kinds of assisting navigation buildings, studies more lead at present
Flow pier, guide wall and core wall.Dry season operation pattern of plant only lacks platform unit generation, sluice gate Close All, design discharge
The shiplock lower head water depth on sill in left branch of a river boat groove is much smaller than minimum requirement down；Ship lock entrance area at approach channel section navigation channel
For flexure type navigation channel, and with the increase of flow, two strands of sluicing flow point or so under power station, the shunt ratio into the left branch of a river gradually increases
Greatly, it is shorter plus ship lock downstream trraning pole, it can not stop that main flow tiltedly wears entrance erea, while the higher influence of point bar on the left of the head of continent,
Entrance erea flow velocity gradually increases, and ship disengaging pilotage road junction door is more difficult.For reduce approach channel and entrance erea crossing current, it is necessary to
Arrangement guidance structure on the right side of navigation channel.Diversion pier is forming the bad fluidised form such as strong backflow, whirlpool on the inside of navigation channel, to ship
Oceangoing ship safe navigation is unfavorable, guide wall transmission section easily formed it is stronger change main flow direction around post current, core wall, be unfavorable for
Navigate by water and require under ship lock.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of improvement entrance area at approach channel flow condition,
Ensure the safety of ship's navigation, be easy to site operation and the bottom permeable isolated niche of installation maintenance.
To achieve the above object, a kind of bottom permeable for ship lock entrance area at approach channel provided by the utility model
Isolated niche.Wherein, including the pier of multiple arrangements and the plate that is set between adjacent pier；The bottom permeable isolated niche end
Ship lock downstream core wall is provided between portion and sluice gate；
The pier includes the pier stud set on cushion cap and the cushion cap；The two sides being connected between the pier stud set perpendicular
Groove；The plate is plugged in the side vertical slot of adjacent pier stud；
Described pier crest level is more than flood period power plant tail water position.
Further, at least one block of plate is provided between the adjacent pier stud；The pier stud, plate rise setting
Into same numerical value.
Preferably, cushion cap length 12.5m, width 2.5m, pier stud length 11.5m, width 2.5m, single hop plate length
9m, high 2.3m, thickness 0.5m, above-mentioned cushion cap and pier stud crest level change with the change of landform.
The beneficial effects of the utility model are to improve entrance erea flow condition under approach channel, ensure the safety of ship's navigation,
The weight of partial component is reduced, plate is plugged in the side vertical slot of adjacent pier stud, and facility is brought to transport and installation, there is provided
Engineering efficiency, equally it is easy to follow-up maintenance and dismounting.Because the isolated niche of bottom exposed throughout type designs, in regulation under flood discharge
Assignment of traffic in left distributary road, weaken entrance erea transverse flow speed and current angle
Solve ship lock entrance area at approach channel and flow over what excessive and regulation dry season and flood period or so branch of a river current distributed
Technical problem.Particular by bottom exposed throughout type isolated niche, the current more concentrated originally during dry season are evenly dispersed, one
Current are divided to enter approach channel through navigation frame, a part of current are descending to be entered in navigation channel through entrance erea, approach channel entrance erea current
Flow velocity is smaller, and transverse flow speed is no more than navigable flow standard.With the increase of flow, isolated niche plate plays flow blocking function, subtracted
That has lacked flood period chokes water value, enters approach channel entrance erea flow compared with being greatly lowered before engineering by isolated niche, reduces master
Stream tiltedly wears entrance erea and caused excessive transverse flow speed, improves navigation through the gap flow condition so as to reach.With prior art phase
More adapt to improve dry season water depth deficiency than, bottom exposed throughout type isolated niche, middle flood period entrance erea flow over it is larger hinder boat feature,
Make main flow import the flow-rate ratio of entrance erea effectively to be adjusted, sluice gate aerial drainage is most reduced in degree to entrance erea flow condition
Influence.
Brief description of the drawings
Fig. 1 is structure top view of the present utility model；
Fig. 2 is structural side view of the present utility model；
Fig. 3 is the structural representation implemented.
The plate that embodiment includes the pier of multiple arrangements and set between adjacent pier；The bottom permeable
Ship lock downstream core wall is provided between isolated niche end and sluice gate；
Described pier crest level is more than flood period power plant tail water position.
Utility model is described in further detail below in conjunction with the accompanying drawings.
As Figure 1-3, a kind of bottom permeable isolated niche for ship lock entrance area at approach channel.Wherein, it is including more
The pier 01 of individual arrangement and set between adjacent pier 01 and rise numerical value identical plate 02 with pier 01.Pier 01 includes
The pier stud 012 set on cushion cap 011 and the cushion cap 011, the two sides being connected between pier stud 012 set vertical slot 013, at least
One piece of 02 vertical superposing type of plate is plugged in the side vertical slot 013 of adjacent pier stud 012, and the crest level of pier 01 is more than flood period electricity
Stand tailwater level, prevent levee crown excessively stream from producing the crossing current for being unfavorable for ship's navigation.Pier 01 is included on cushion cap 011 and the cushion cap 011
The pier stud 012 of setting, the two sides being connected between pier stud 012 set vertical slot 013, and plate 02 is plugged in the side of adjacent pier stud 012
In face vertical slot 013, cushion cap 011 length 12.5m, width 2.5m, pier stud 012 length 11.5m, width 2.5m, single hop plate 02 grows
Spend 9m, high 2.3m, thickness 0.5m.Simple to install, greatly improve the efficiency of construction project.
At least one block of plate 02 is provided between adjacent pier stud 012, plate 02 can be determined according to actual conditions
Size and number.Pier stud 012, plate 02 rise be arranged to same numerical value be equally prevent levee crown excessively stream produce crossing current.The application
Solve the entrance area at approach channel of ship lock 11 crossing current it is excessive and regulation dry season and flood period or so the branch of a river current distribution technology ask
Topic.Sluice during dry season, under power station after outflow tailwater channel, advanced to river course left side, right side point bar slightly has excessively stream, and current mainly should
Dike bottom transmission hole enters left side river course, and the current more concentrated originally are uniformly divided under the permeable corrective action in the dike bottom
Dissipate, a part of current enter approach channel through navigation frame, and a part of current are descending to be entered in navigation channel through entrance erea, pilotage road junction door
Area's flow rate of water flow is smaller, and transverse flow speed is no more than navigable flow standard.With the increase of flow, plate 02 plays flow blocking effect,
Approach channel entrance erea flow is entered compared with being greatly lowered before engineering by permeable isolated niche, flow velocity has reduced in entrance erea,
Entrance erea flow condition obtains more apparent improvement, and flow condition substantially meets code requirement.
During implementation, navigation junction key construction includes ship lock 11, Power Plant 12, switchyard, sluice gate 13 and barrage
Dam.Design flood maximum vent flow 20300m3/s, check flood maximum vent flow 26300m3/s.Ship lock uses one-level ship lock,
Lock chamber effective dimensions is 130m x 12m x 2.5m (lock chamber length x width x sill headwater depth).The design discharge of ship lock 11
265m3/s, tail-bay water level 62.99m；Maximum navigation discharge 3000m3/s, tail-bay water level 66.26m；Power station maximum head
24m, minimum head 7m, design head 7.5m.Sluice gate is arranged in major river bed, sets 15 holes, lock hole clear span 9m altogether.
Above-described is only some embodiments of the present utility model.For those of ordinary skill in the art,
On the premise of not departing from the utility model and creating design, some improvement can also be made, belong to the protection model of utility model
Enclose.
Claims (3)
1. a kind of bottom permeable isolated niche for ship lock entrance area at approach channel, it is characterised in that including multiple arrangements
Pier and the plate set between adjacent pier；Between the bottom permeable isolated niche end and sluice gate be provided with ship lock downstream every
Waterwall；The pier includes the pier stud set on cushion cap and the cushion cap；The two sides being connected between the pier stud set vertical slot；Institute
Plate is stated to be plugged in the side vertical slot of adjacent pier stud；
Described pier crest level is more than flood period power plant tail water position.
2. a kind of bottom permeable isolated niche for ship lock entrance area at approach channel according to claim 1, its feature
It is, at least one block of plate is provided between the adjacent pier；The pier, rising for plate are arranged to same number
Value.
3. a kind of bottom permeable isolated niche for ship lock entrance area at approach channel according to claim 1 or 2, it is special
Sign is, described cushion cap length 12.5m, width 2.5m；Described pier stud length 11.5m, width 2.5m, described plate length
Spend 9m, high 2.3m, thickness 0.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911174.2U CN207193884U (en) | 2017-07-26 | 2017-07-26 | A kind of bottom permeable isolated niche for ship lock entrance area at approach channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911174.2U CN207193884U (en) | 2017-07-26 | 2017-07-26 | A kind of bottom permeable isolated niche for ship lock entrance area at approach channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207193884U true CN207193884U (en) | 2018-04-06 |
Family
ID=61798688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720911174.2U Expired - Fee Related CN207193884U (en) | 2017-07-26 | 2017-07-26 | A kind of bottom permeable isolated niche for ship lock entrance area at approach channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207193884U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030886A (en) * | 2020-09-04 | 2020-12-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Diversion channel arrangement method combining diversion channel with bottom transparent navigation wall |
| CN114841020A (en) * | 2022-07-01 | 2022-08-02 | 交通运输部天津水运工程科学研究所 | Method for calculating cross-flow extreme value of gate area of downstream approach channel of ship lock with flow guide screen and application |
| CN117057282A (en) * | 2023-10-11 | 2023-11-14 | 交通运输部天津水运工程科学研究所 | Method for calculating split ratio of hub building in ship lock pass lock operation period and application |
-
2017
- 2017-07-26 CN CN201720911174.2U patent/CN207193884U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030886A (en) * | 2020-09-04 | 2020-12-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Diversion channel arrangement method combining diversion channel with bottom transparent navigation wall |
| CN112030886B (en) * | 2020-09-04 | 2021-10-01 | 水利部交通运输部国家能源局南京水利科学研究院 | Diversion channel arrangement method combining diversion channel with bottom transparent navigation wall |
| CN114841020A (en) * | 2022-07-01 | 2022-08-02 | 交通运输部天津水运工程科学研究所 | Method for calculating cross-flow extreme value of gate area of downstream approach channel of ship lock with flow guide screen and application |
| CN117057282A (en) * | 2023-10-11 | 2023-11-14 | 交通运输部天津水运工程科学研究所 | Method for calculating split ratio of hub building in ship lock pass lock operation period and application |
| CN117057282B (en) * | 2023-10-11 | 2024-01-23 | 交通运输部天津水运工程科学研究所 | Method for calculating split ratio of hub building in ship lock pass lock operation period and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |