CN203247553U - Flap-door lock chamber structure - Google Patents
Flap-door lock chamber structure Download PDFInfo
- Publication number
- CN203247553U CN203247553U CN 201320264924 CN201320264924U CN203247553U CN 203247553 U CN203247553 U CN 203247553U CN 201320264924 CN201320264924 CN 201320264924 CN 201320264924 U CN201320264924 U CN 201320264924U CN 203247553 U CN203247553 U CN 203247553U
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- buttress
- gate
- lock chamber
- door lock
- chamber structure
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Abstract
The utility model discloses a lock chamber structure, especially to a flap-door lock chamber structure. The flap-door lock chamber structure provided by the utility model can stop large-size floating objects and comprises a lock gate, a support longitudinal beam, a weir crest, a buttress and at least one row of crash bearers, wherein the buttress is arranged on the weir crest, the lock gate is arranged on the buttress through the support longitudinal beam, and the crash bearers are arranged on the weir crest and disposed at the inflow side of the lock gate. With arrangement of the crash bearers, most of the sundries such as twigs, weeds and garbage floating in a riverway can be stopped by the crash bearers, thereby preventing the floating objects from influencing the lock gate. With arrangement of an air duct, a cavity at one side, opposite to the inflow direction, of the lock gate can be directly communicated with the air, thereby preventing negative pressure situations from occurring, reducing swing and flapping efficiency, and effectively protecting the whole lock gate.
Description
Technical field
The utility model relates to a kind of lock chamber structure, especially a kind of plate-turning door lock chamber structure.
Background technology
Waterpower self-control (hydraulic control) plate-turning door as gear, outlet structure escape works, has the advantages such as construction investment economize, duration short with respect to sluice by water pressure and gate deadweight automatic open and close.Waterpower self-control (hydraulic control) plate-turning door is used in China and is had for many years, according to building and built engineering in recent years, discovery some power station in running can occur patting, overhaul the problems such as difficult such as drift obstruction, gate to some extent, to a certain degree affected the normal benefit of engineering, simultaneously, walkaround inspection in the engineering operation needs dedicated channel, if it is high that passage (such as bridge) cost is set separately, also is unfavorable for the engineering layout.For these situations, processing mode was arranged once: establish the one's water breaks device at the top of flap gate, open pore at the side wall of gate pier, pat problem to reduce gate.Though this method can solve local problem to a certain extent, still has its defective or limitation.
Gate is in service to be occurred swinging and the beating phenomenon sometimes, unfavorable to the normal operation of gate, causes simultaneously the body vibration of engineering structures, produces noise, can cause gate destruction when serious.The influence factor that occurs swinging and patting mainly contains: form cavity between orifice flow under the overflow on (1) gate panel and the lock, the air in the cavity is taken away by current and is formed unsettled negative pressure.Gate dual-side wall makes lockage current both sides form funnel, brings air into and makes cavity pressure unstable.Repelled downstream hydraulic jump produced negative pressure in the gate bottom when (2) gate had just been opened.
The utility model content
Technical problem to be solved in the utility model provides a kind of plate-turning door lock chamber structure that can stop large-scale floating thing.
The plate-turning door lock chamber structure that its technical problem that solves the utility model adopts, comprise gate, support stringer, weir crest and buttress, described buttress is arranged on the described weir crest, described gate is installed on the described buttress by support stringer, also comprise crash bearer, described crash bearer is arranged on the described weir crest, and described crash bearer arranges at least a row and is positioned at water one side of described gate.
Further be, also comprise air duct, described air duct is installed on the described support stringer, and the upper end of described air duct and atmosphere are connected, and the lower end of described air duct is communicated with the cavity of valve backwater one side.
Further be that the part that meets water of described buttress and crash bearer is set to streamlined.
Further be that the provided upstream of described weir crest is set to circular arc, elliptic curve or WES weir type; Middle reaches are set to horizontal; The slope is arranged in the downstream, ratio of slope＜1:1.
Further be that described gate and buttress all are positioned at the middle reaches horizontal segment of described weir crest.
Further be that described buttress is 1/4th of gate height from the distance of downstream ramp.
Further be, also comprise the service bridge preformed hole, described service bridge preformed hole is arranged on the described buttress.
The beneficial effects of the utility model are: owing to be provided with crash bearer, so showy most of foreign material such as branch, weeds and rubbish all can be stopped by crash bearer in the river course, have so just avoided the impact of these floating things on gate.Owing to being provided with air duct, the cavity of gate backwater one side just can directly be communicated with atmosphere, avoids occurring the situation of negative pressure again, has reduced to swing and pat the frequency that occurs, and has effectively protected whole valve.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Component, position and numbering among the figure: gate 1, weir crest 2, buttress 3, support stringer 4, crash bearer 5, air duct 6, service bridge preformed hole 7.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises gate 1, support stringer 4, weir crest 2 and buttress 3, described buttress 3 is arranged on the described weir crest 2, described gate 1 is installed on the described buttress 3 by support stringer 4, also comprise crash bearer 5, described crash bearer 5 is arranged on the described weir crest 2, and described crash bearer 5 arranges at least a row and is positioned at water one side of described gate 1.From left to right be water (flow) direction among Fig. 1, crash bearer 5 arranges at least one row perpendicular to water (flow) direction, for the comparatively serious waters of foreign material many rows can be set, to stop as much as possible foreign material.In flood period, the branch, weeds and the rubbish that float in the river course all are blocked on the crash bearer 5, and larger foreign material then directly are blocked between two crash bearers 5, have so just avoided foreign material to stop up free bearing and toll bar, have also prevented foreign material coup injury gate 1.
For fear of swinging and patting phenomenon, as shown in Figure 1, also comprise air duct 6, described air duct 6 is installed on the described support stringer 4, and the upper end of described air duct 6 and atmosphere are connected, and the lower end of described air duct 6 is communicated with the cavity of valve backwater one side.Swing and pat its formation reason of phenomenon and mainly contain following 2 points: form cavity between orifice flow under the overflow on (1) gate panel and the lock, the air in the cavity is taken away by current and is formed unsettled negative pressure.Gate dual-side wall makes lockage current both sides form funnel, brings air into and makes cavity pressure unstable.Repelled downstream hydraulic jump produced negative pressure in the gate bottom when (2) gate had just been opened.This is unfavorable to gate 1 normal operation, causes simultaneously the body vibration of engineering structures, produces noise, can cause gate 1 to destroy when serious.After adopting air duct 6, cavity just can directly be communicated with atmosphere, has avoided cavity negative pressure to occur, therefore just can avoid swinging and patting phenomenon.Simultaneously, the part that meets water of buttress 3 and crash bearer 5 is set to streamlined.The provided upstream of described weir crest 2 is set to circular arc, elliptic curve or WES weir type; Middle reaches are set to horizontal; The slope is arranged in the downstream, ratio of slope＜1:1.Described gate 1 and buttress 3 all are positioned at the middle reaches horizontal segment of described weir crest 2.Described buttress 3 is 1/4th of gate 1 height from the distance of downstream ramp.These structures can both make water flow stationary, further avoid swinging and patting phenomenon.
Concrete, also comprising service bridge preformed hole 7, described service bridge preformed hole 7 is arranged on the described buttress 3.The passage that walkaround inspection in the engineering operation needs adopts the precast plate girder construction by service bridge preformed hole 7 between buttress 3, forms complete channels, has both saved duration and investment, and is by the setting of service bridge preformed hole 7, more firm than directly being placed on the buttress 3 simultaneously.
Claims (7)
1. plate-turning door lock chamber structure, comprise gate (1), support stringer (4), weir crest (2) and buttress (3), described buttress (3) is arranged on the described weir crest (2), described gate (1) is installed on the described buttress (3) by support stringer (4), it is characterized in that: also comprise crash bearer (5), described crash bearer (5) is arranged on the described weir crest (2), and described crash bearer (5) arranges at least a row and is positioned at water one side of described gate (1).
2. plate-turning door lock chamber structure as claimed in claim 1, it is characterized in that: also comprise air duct (6), described air duct (6) is installed on the described support stringer (4), the upper end of described air duct (6) and atmosphere are connected, and the lower end of described air duct (6) is communicated with the cavity of valve backwater one side.
3. plate-turning door lock chamber structure as claimed in claim 1 is characterized in that: the part that meets water of described buttress (3) and crash bearer (5) is set to streamlined.
4. such as claim 1,2 or 3 described plate-turning door lock chamber structures, it is characterized in that: the provided upstream of described weir crest (2) is set to circular arc, elliptic curve or WES weir type; Middle reaches are set to horizontal; The slope is arranged in the downstream, ratio of slope＜1:1.
5. plate-turning door lock chamber structure as claimed in claim 4, it is characterized in that: described gate (1) and buttress (3) all are positioned at the middle reaches horizontal segment of described weir crest (2).
6. plate-turning door lock chamber structure as claimed in claim 4 is characterized in that: described buttress (3) is 1/4th of gate (1) height from the distance of downstream ramp.
7. such as claim 1,2 or 3 described plate-turning door lock chamber structures, it is characterized in that: also comprise service bridge preformed hole (7), described service bridge preformed hole (7) is arranged on the described buttress (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320264924 CN203247553U (en) | 2013-05-15 | 2013-05-15 | Flap-door lock chamber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320264924 CN203247553U (en) | 2013-05-15 | 2013-05-15 | Flap-door lock chamber structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203247553U true CN203247553U (en) | 2013-10-23 |
Family
ID=49374000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320264924 Expired - Lifetime CN203247553U (en) | 2013-05-15 | 2013-05-15 | Flap-door lock chamber structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203247553U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975015A (en) * | 2017-11-21 | 2018-05-01 | 中国电建集团成都勘测设计研究院有限公司 | It is provided with the checkdam of surface spillways |
| CN108374469A (en) * | 2018-04-28 | 2018-08-07 | 山东电力工程咨询院有限公司 | Stablize the component of overflow after siphonic water-collecting well downflow weir for fire, nuclear power plant's drainage system |
| CN110042811A (en) * | 2019-05-13 | 2019-07-23 | 四川港航嘉陵江金沙航电开发有限公司 | A kind of method of gate wave resistance anti-slag |
-
2013
- 2013-05-15 CN CN 201320264924 patent/CN203247553U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975015A (en) * | 2017-11-21 | 2018-05-01 | 中国电建集团成都勘测设计研究院有限公司 | It is provided with the checkdam of surface spillways |
| CN108374469A (en) * | 2018-04-28 | 2018-08-07 | 山东电力工程咨询院有限公司 | Stablize the component of overflow after siphonic water-collecting well downflow weir for fire, nuclear power plant's drainage system |
| CN110042811A (en) * | 2019-05-13 | 2019-07-23 | 四川港航嘉陵江金沙航电开发有限公司 | A kind of method of gate wave resistance anti-slag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: HYDROCHINA CHENGDU ENGINEERING Corp. Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: POWERCHINA Chengdu Engineering Corporation Limited |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER GROUP CHENGDU INVESTIGATION DESIGN + R Free format text: FORMER NAME: CHENGDU HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF SPC |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: POWERCHINA Chengdu Engineering Co.,Ltd. Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: HYDROCHINA CHENGDU ENGINEERING Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |
|
| CX01 | Expiry of patent term |