CN109629522B - Bidirectional hidden air shield dam - Google Patents
Bidirectional hidden air shield dam Download PDFInfo
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- CN109629522B CN109629522B CN201910091148.3A CN201910091148A CN109629522B CN 109629522 B CN109629522 B CN 109629522B CN 201910091148 A CN201910091148 A CN 201910091148A CN 109629522 B CN109629522 B CN 109629522B
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- shield plate
- plate structure
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- shield
- water
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 74
- 238000003973 irrigation Methods 0.000 abstract description 3
- 230000002262 irrigation Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 7
- 238000007667 floating Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/005—Deformable barrages or barrages consisting of permanently deformable elements, e.g. inflatable, with flexible walls
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
A bidirectional hidden air shield dam. Relates to a water level control gate dam of irrigation channels, ecological landscape river channels and flood discharge river channels, in particular to an improvement of a driving structure of an air shield dam. A bidirectional hidden air shield dam which is not provided with a metal driving component under water and does not depend on water storage driving is provided. Including locating the side wall of river course both sides bank, gomphosis in the dam foundation of river course bottom surface, articulate shield plate structure and the drive on the dam foundation the drive gasbag of shield plate structure, shield plate structure includes arc shield plate and is in the truss structure of its back for shield plate structure whole cross section is fan-shaped cylinder be equipped with between the baffle with the arc face of shield plate structure and aerify the side seal gasbag. The invention can be widely applied to: and (3) water resources in the water-deficient area are regulated, flood is discharged in the water-rich area, and urban water regulation has the landscape effect.
Description
Technical Field
The invention relates to a water level control gate dam of an irrigation channel, an ecological landscape river channel and a flood discharge river channel, in particular to an improvement of a driving structure of an air shield dam.
Background
Generally, gates and dams are adopted for controlling water blocking of channels and river channels. The requirements on the gate and the dam are different for different application occasions. The dam is used as a fixed building, and the water level can be controlled and regulated by combining a gate. But small dam buildings are also provided with certain water level adjusting functions, such as: rubber dams, air shield dams, and the like. Most fixed dams require a gate to adjust the water level.
The prior art has the following patent technologies:
the hidden radial gate, 2016101776042, 2016-03-25 disclosed by the national intellectual property agency, is provided for the purpose of realizing the adjustable water retaining height, and belongs to the technical field of irrigation. The radial gate comprises a radial gate plate, a driving assembly and a rotating assembly. The arc flashboard includes: the three are matched in the arc flashboard to form a sealing cavity. The bottom of the canal is provided with a flashboard groove, and the rotating component is arranged in the sealing cavity; when the water channel is not in working state, the arc-shaped surface of the arc-shaped flashboard is positioned in the flashboard groove, and the plane and the bottom of the water channel are positioned on the same horizontal plane; when the device is in a working state, under the action of the driving assembly, the arc-shaped flashboard can rotate between 0-90 degrees in the flashboard groove through the rotating assembly, the arc-shaped surface and the plane of the arc-shaped flashboard are both partially positioned in the flashboard groove, and the part of the arc-shaped surface positioned outside the flashboard groove is used for retaining water. The gate has the advantages of adjustable weir top height and energy conservation. However, the mechanical driving mechanism is adopted in the scheme, so that the defects are overcome, firstly, the cable is subjected to underwater and water exchange operation for a long time, and is easy to fatigue and damage; secondly, the water sealing performance is doubtful; for areas lacking water resources, the practicality is low.
In addition, "2014102544698," a floating body gate and a method thereof, 2014-06-10", which is to overcome the defects in the prior art: flap gate Yi Ka is easy to age, rubber dam is easy to age, bottom shaft type gate has high cost, and a floating body gate and a method thereof are provided. The air compressor comprises a limiting block, bottom water stop rubber, side water stop rubber, a floating body, a door leaf, a support arm cover plate, a hose, buffer rubber, a support shaft, a support, a gas pipe, a dam body and an air compressor. Besides the basic function of a common sluice, the floating gate has two advantages: on one hand, the overflow width of the sluice gate is the same as the channel width, and no water retaining building is arranged above the river dam body when the sluice gate is opened, so that the contradiction between river shipping and flood control is well solved; on the other hand, the ecological function is that when the floating gate is in closing water storage or opening drainage, no vertical steps exist, fish and river objects can freely pass, no water flow falls down noise exists, and the natural characteristics of the river are maintained. And the floating gate is convenient to transport, maintain and install, and has good application prospect. The gate water stopping structure is stable and effective for a long time, and frequent replacement can be avoided. The invention has simple structure, low cost and obvious technical advantages. The invention is suitable for water storage and drainage of the dam. However, the problems of this case are: firstly, the device has a unidirectional function; secondly, the action depends on the existence of water in the water tank, if the water tank is difficult to ensure in arid areas, how to solve the problem of existence of water in the water tank becomes a main problem which restricts the use of the water tank in arid areas; thirdly, the problem of water sealing is solved, and when the water level at the upper and the lower reaches has the fall, the flap gate can not solve the problem of water sealing only by means of the rubber sealing strip; fourthly, the problem of sediment accumulation in the water tank is difficult to solve, so that the gate is not settled to the bottom, flood discharge is affected, and serious losses of personnel and property can be caused.
Disclosure of Invention
Aiming at the problems, the invention provides a bidirectional hidden air shield dam which is not provided with a metal driving component under water and is not dependent on water storage driving.
The invention comprises side walls arranged on two sides of a river channel, a dam foundation embedded on the bottom surface of the river channel, a shield plate structure hinged on the dam foundation and a driving air bag for driving the shield plate structure, wherein the shield plate structure comprises an arc shield plate and a truss structure arranged on the back surface of the arc shield plate, so that the whole cross section of the shield plate structure is a sector cylinder, the central angle of the sector cylinder is 20-90 degrees, and the hinged fulcrum is positioned at the center of the sector cylinder; the dam foundation is provided with a concave shield plate structure accommodating groove, so that the shield plate structure is sunk into the accommodating groove; the surface of the mounting groove, which faces the lower surface of the shield plate structure, is provided with an inclined surface which is dominant by the mounting groove; the driving air bag is fixedly arranged on the inclined plane, so that the driving air bag drives the shield plate structure to rotate by taking the hinged fulcrum as the circle center when being inflated.
An inflatable side sealing air bag is arranged between the guide plate and the arc-shaped plate surface of the shield plate structure.
An upper limit baffle is arranged at the top end of the guide plate.
The lower limit baffle is arranged at the outer end of the lower inclined surface of the shield plate in the shape of the fan-shaped cylinder.
The upper inclined surface of the shield plate in the shape of the sector cylinder is provided with a skin.
The upper part of one side of the placement groove is provided with a concave ridge, and the lower limit baffle is used for extending into the concave ridge.
The air shield dam changes the mode of a single plate structure of a shield plate of the original air shield dam, and adopts a truss structure; the whole body is sunk below the bottom surface of the river bed, so that the stable water flow can be ensured when the water is not used, and the swimming of fish resources in the water and the movement of small ships are not influenced; the water flow is arranged in a trace-free way. For traditional shield rotates along the lower edge, changes into along the rotation of distal end centre of a circle, and the holding power is by horizontal shearing force, changes into axial roof pressure, has greatly promoted the reliability of the anchor structure of shield articulated fulcrum, has changed the problem that original shield structure bottom anchor line easily breaks down greatly. The structure of the shield also changes the problem of huge waterfall sound of the original shield structure in use, and according to the structure of the invention, when water falls down, the water flows along the inclined plane, so that sound is not caused. In addition, the invention can realize bidirectional water blocking.
The action driving part can meet the requirement of underwater arrangement, and does not need to carry out water sealing protection of electric types. The driving can be realized without depending on water storage. The invention can be widely applied to: and (3) water resources in the water-deficient area are regulated, flood is discharged in the water-rich area, and urban water regulation has the landscape effect.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is an enlarged view of part a of figure 1,
figure 3 is a schematic view of the sinking form of the shield structure of the present invention,
figure 4 is a perspective view of the present invention-one,
figure 5 is a perspective view of a second embodiment of the present invention,
figure 6 is a schematic diagram of the working state of the invention,
figure 7 is a second schematic view of the working state of the invention,
figure 8 is a schematic diagram of the invention in a third operating mode,
figure 9 is a schematic diagram of the working state of the invention in a fourth mode,
figure 10 is a schematic diagram of the construction of an advantageous embodiment of the invention,
figure 11 is a schematic diagram of a second embodiment of the present invention,
in the figure 1 is a river channel,
2 is a side wall, 21 is an arc-shaped rigid guide plate,
3 is a dam foundation, 31 is a placement groove, 310 is a bottom ditch, 311 is a flushing water inlet, 312 is a flushing sand outlet, 313 is an inclined plane, 32 is a hinged supporting foundation, and 33 is a concave ridge;
4 is a shield structure, 41 is a truss structure, 42 is a skin,
5 is a driving air bag which is provided with a driving air bag,
6 is a hinge seat, and the hinge seat is provided with a hinge seat,
71 is the driving air bag air path, 72 is the sealing air bag air path,
81 is an inflatable bottom seal airbag, 82 is an inflatable side seal airbag,
91 is a lower limit stop, 92 is an upper limit stop,
the arrows in the figure indicate the direction of water flow.
Detailed Description
The details of the invention are further described below in conjunction with figures 1-5.
The river channel structure comprises side walls 2 arranged on two sides of the river channel 1, a dam foundation 3 embedded on the bottom surface of the river channel 1, a shield plate structure 4 hinged on the dam foundation 3 and a driving airbag 5 for driving the shield plate structure 4, wherein the shield plate structure 4 comprises an arc shield plate and a truss structure 41 positioned on the back surface of the arc shield plate, the whole cross section of the shield plate structure 4 is a sector cylinder, the central angle of the sector cylinder is 20-90 degrees, and a hinged fulcrum is positioned at the center of the sector cylinder; the dam foundation 3 is provided with a concave shield plate structure accommodating groove 31, so that the shield plate structure 4 can integrally sink into the accommodating groove 31; the surface of the placement groove 31 facing the lower surface of the shield plate structure 4 is provided with a slope 313 which is dominant with the placement groove; the driving airbag 5 is fixedly installed on the inclined surface 313, so that the driving airbag 5 drives (jacks up) the shield plate structure 4 to rotate with the hinge support point as the center of a circle when being inflated. The hinge pivot is that a hinge supporting foundation 32 is arranged at the rear side opening edge of the dam foundation 3, a plurality of hinge seats 6 are fixedly connected to the hinge supporting foundation, and the stress direction is the horizontal direction. Truss structures are conventional structures in which trusses, referred to as truss beams, are a type of lattice beam structure. Truss structures are commonly used in large span buildings such as buildings and bridges.
An inflatable bottom sealing air bag 81 is arranged at the upper edge opening of the shield plate arranging groove 3, which faces to the arc-shaped panel of the shield plate structure 4. This maximizes the water sealing of the bottom edge both practically and theoretically.
Arc-shaped rigid guide plates 21 which are in arc fit with the two ends of the shield plate structure 4 are respectively arranged on the two side walls 2, so that reliable guiding is facilitated.
An inflatable side sealing airbag 82 is arranged between the guide plate 21 and the arc-shaped plate surface of the shield plate structure 4. This solves the problem of side sealing.
An upper limit baffle 92 is provided at the top end of the guide plate. The top end of the arc-shaped guide plate is provided with the protruding rigid limit protruding block, so that the shield plate structure in the shape of a sector-shaped column body is prevented from being overturned when impacting water flow.
The upper inclined surface of the shield plate structure 4 in the shape of a sector cylinder is provided with a skin 42. Thus, the reverse water blocking of the water flow can be realized.
As shown in fig. 10-11, the lower limit baffle 91 is arranged at the outer end of the lower inclined surface of the shield plate structure 4 in the shape of a sector cylinder. The lower limit baffle 91 may be made of rigid material or elastic material such as rubber; the shield plate can be fully distributed in the length direction of the shield plate structure, and can also be distributed in block-shaped intervals. When fully arranged and fully opened, the two-way water retaining device not only can play a limiting role, but also can play a certain two-way water retaining role.
Fig. 10 and 11 show an embodiment of the present invention for preventing overturn. A concave ridge 33 is disposed on the upper portion of one side of the placement groove 31 (the concave ridge is opposite to the inclined surface 313), the concave ridge is a groove formed on the side wall of the placement groove, and the sealing of a bottom edge can be increased under the interaction of the concave ridge 33 and the lower limit baffle 91 (i.e. the lower limit baffle stretches into the concave ridge). In addition, when the incoming water surges, part of the water flow impact load can be borne, and the upper limit baffle 92 is prevented from being overwhelmed by the water flow impact load, so that the whole back-turning is caused.
The bottom of shield plate setting groove 3 is equipped with washes the waterway structure. Mainly comprises a bottom ditch 310 arranged at the bottom, a flushing sand outlet 312 arranged at one side of the bottom ditch 310 and a flushing water inlet 311 which is higher than the bottom ditch 310. When sand is settled, the sand can be cleaned.
The operation and principle of the present invention will be described with reference to fig. 6 to 9.
Fig. 6 shows a forward water blocking state (left incoming water is forward according to the left-right direction of the drawing), and the shield plate structure 4 is in a working state when the shield plate structure is fully topped, at this time, the driving air bag air path 71 provides working air pressure to the driving air bag 5, and the shield plate structure 4 is fully jacked up; after the shield plate structure 4 is in place, the sealing air bag air channel 72 provides working air pressure for the inflatable bottom sealing air bag 81 and the inflatable side sealing air bag 82; the shield arc plate surface, the inflatable bottom sealing air bag 81 and the inflatable side sealing air bag 82 act together to realize water retaining operation. The stress relation is the left-direction (downward) acting force of the whole shield structure borne by the hinged fulcrum. When water is diffused, there is no noise of the impact of the water flow due to the presence of the skin 42.
FIG. 7 shows a sinking state in which the shield structure is sunk to the bottom. Can maintain the calm water surface. The maintenance operation in the anhydrous state can also be performed.
Fig. 8 shows a reverse water blocking state (the right incoming water is reversed in the left-right direction as shown in the figure), and the water flows into the placement groove 31, but the inflatable bottom sealing airbag 81 can realize sealing and water blocking. The force is now directed to the right (upwards).
Fig. 9 shows a semi-water state (regardless of the water coming from the left and right sides). Because the invention adopts the fixed inflatable sealing air bags arranged on the dam foundation edge and the side wall, water blocking can be realized.
The foregoing description of the preferred embodiments of the present invention should not be taken as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalent structures and functional changes that could be made in accordance with the principles of the present invention, including such modifications, structures and functional changes as may be made in accordance with the principles of the present invention.
Claims (5)
1. The bidirectional hidden air shield dam comprises side walls arranged on two sides of a river channel, a dam foundation embedded on the bottom surface of the river channel, a shield plate structure hinged on the dam foundation and a driving air bag for driving the shield plate structure,
the shield plate structure comprises an arc shield plate and a truss structure positioned on the back surface of the arc shield plate, so that the whole cross section of the shield plate structure is a sector cylinder, the central angle of the sector cylinder is 20-90 degrees, and the hinged fulcrum is positioned at the center of the sector cylinder;
the dam foundation is provided with a concave shield plate structure accommodating groove, so that the shield plate structure is sunk into the accommodating groove; the surface of the mounting groove, which faces the lower surface of the shield plate structure, is provided with an inclined surface which is dominant by the mounting groove; the driving air bag is fixedly arranged on the inclined plane, so that when the driving air bag is inflated, the shield plate structure is driven to rotate by taking the hinged fulcrum as the circle center;
an inflatable bottom sealing air bag is arranged at the upper edge opening of the mounting groove facing the shield plate;
arc-shaped rigid guide plates which are in arc fit with the two ends of the shield plate structure are respectively arranged on the side walls of the two sides of the river channel;
an inflatable side sealing air bag is arranged between the guide plate and the arc-shaped plate surface of the shield plate structure.
2. The bi-directional hidden air shield dam of claim 1 wherein an upper limit stop is provided at the top end of the guide plate.
3. The two-way hidden air shield dam of claim 1, wherein the lower limit baffle is arranged at the outer end of the lower inclined surface of the shield plate in the shape of a sector cylinder.
4. The bi-directional hidden air shield dam of claim 1 wherein the upper slope of the scalloped cylindrical shaped shield plate is provided with a skin.
5. A bi-directional hidden air shield dam according to claim 3, wherein a recess is provided at an upper portion of one side of said placement slot, and said lower limit stop is adapted to extend into said recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091148.3A CN109629522B (en) | 2019-01-30 | 2019-01-30 | Bidirectional hidden air shield dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091148.3A CN109629522B (en) | 2019-01-30 | 2019-01-30 | Bidirectional hidden air shield dam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109629522A CN109629522A (en) | 2019-04-16 |
| CN109629522B true CN109629522B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910091148.3A Active CN109629522B (en) | 2019-01-30 | 2019-01-30 | Bidirectional hidden air shield dam |
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| Country | Link |
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| CN (1) | CN109629522B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106829A (en) * | 2019-05-06 | 2019-08-09 | 安徽省海巴液压设备有限公司 | A kind of Pneumatic power-saving environmental protection retaining dam |
| CN110093903B (en) * | 2019-05-15 | 2021-05-04 | 黄芳 | Gas shield dam |
| CN113026677A (en) * | 2021-03-31 | 2021-06-25 | 贵州建工兴印建筑工程有限公司 | Construction method of gas shield dam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200367430Y1 (en) * | 2004-08-30 | 2004-11-10 | 주식회사 유일기연 | Rubber dam for ease regulationl water level by stage |
| CN104018472A (en) * | 2014-06-10 | 2014-09-03 | 浙江衢州河口闸门有限公司 | Floating body gate and method thereof |
| CN106223272A (en) * | 2016-07-29 | 2016-12-14 | 衢州市江川水力自控翻板闸门有限公司 | A kind of floating gate device |
| CN205894039U (en) * | 2016-07-29 | 2017-01-18 | 衢州市江川水力自控翻板闸门有限公司 | Pneumatic body gate |
| CN106677139A (en) * | 2017-02-28 | 2017-05-17 | 浙江衢州河口闸门有限公司 | Arc-shaped lifting ecological gate |
| CN208346775U (en) * | 2018-06-15 | 2019-01-08 | 浙江衢州河口闸门有限公司 | A kind of arc lifting gate |
| CN209603073U (en) * | 2019-01-30 | 2019-11-08 | 江苏扬州合力橡胶制品有限公司 | Two-way concealed gas shield dam |
-
2019
- 2019-01-30 CN CN201910091148.3A patent/CN109629522B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200367430Y1 (en) * | 2004-08-30 | 2004-11-10 | 주식회사 유일기연 | Rubber dam for ease regulationl water level by stage |
| CN104018472A (en) * | 2014-06-10 | 2014-09-03 | 浙江衢州河口闸门有限公司 | Floating body gate and method thereof |
| CN106223272A (en) * | 2016-07-29 | 2016-12-14 | 衢州市江川水力自控翻板闸门有限公司 | A kind of floating gate device |
| CN205894039U (en) * | 2016-07-29 | 2017-01-18 | 衢州市江川水力自控翻板闸门有限公司 | Pneumatic body gate |
| CN106677139A (en) * | 2017-02-28 | 2017-05-17 | 浙江衢州河口闸门有限公司 | Arc-shaped lifting ecological gate |
| CN208346775U (en) * | 2018-06-15 | 2019-01-08 | 浙江衢州河口闸门有限公司 | A kind of arc lifting gate |
| CN209603073U (en) * | 2019-01-30 | 2019-11-08 | 江苏扬州合力橡胶制品有限公司 | Two-way concealed gas shield dam |
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| CN109629522A (en) | 2019-04-16 |
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