CN112160291A - Complementary sealed water sluicegate - Google Patents
Complementary sealed water sluicegate Download PDFInfo
- Publication number
- CN112160291A CN112160291A CN202010859266.7A CN202010859266A CN112160291A CN 112160291 A CN112160291 A CN 112160291A CN 202010859266 A CN202010859266 A CN 202010859266A CN 112160291 A CN112160291 A CN 112160291A
- Authority
- CN
- China
- Prior art keywords
- flashboard
- gate
- fixing plate
- plate
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 230000000295 complement effect Effects 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 12
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
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
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- B08B1/165—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
Abstract
The invention relates to the technical field of water conservancy construction, and discloses a complementary sealed water conservancy gate which comprises a gate body, wherein a first fixing plate and a second fixing plate are respectively arranged at the left end and the right end of the inner side of the gate body, and expansion bolts penetrate through the first fixing plate and the second fixing plate. According to the invention, the first gate plate, the second gate plate, the electric hydraulic cylinder, the first rotating shaft, the second rotating shaft, the connecting block, the groove, the supporting block, the supporting shaft and the elastic sealing air bag are used for starting the electric hydraulic cylinder to open and close the first gate plate and the second gate plate, and the sealing property between the first gate plate and the second gate plate can be increased by matching with the elastic sealing air bag, so that the construction difficulty and the civil engineering quantity are reduced, the construction period is further shortened, the investment is reduced, the water seepage phenomenon between the gate plates is avoided, and the reinforcing rod can reinforce the first gate plate and the second gate plate by arranging the filling block in the supporting groove, so that the impact resistance of the first gate plate and the second gate plate can be further increased.
Description
Technical Field
The invention relates to the technical field of water conservancy construction, in particular to a complementary sealed water conservancy gate.
Background
In hydraulic engineering, a hydraulic gate is an important facility for controlling the water level of a river, a traditional hydraulic engineering flat gate is integrally manufactured, and the opening and closing mode of the traditional hydraulic engineering flat gate is mainly realized by using an opening and closing machine (winch, screw, hydraulic pressure and the like) arranged on a machine frame through a transmission device (rope, screw rod, hydraulic rod and the like). Generally, in order to meet the requirements of flood control and maintenance and replacement of gates, a bent upright column not lower than the height of the gate is arranged on a gate pier, a mechanical bridge is arranged on the bent upright column, and a hoist and a building management room are arranged on the mechanical bridge to form a hollow structure. The overhead structure not only increases the construction difficulty and the civil engineering quantity, but also prolongs the construction period and increases the investment, and the water seepage condition occurs due to poor sealing property of the gate.
Disclosure of Invention
The invention aims to provide a complementary sealed water conservancy gate, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a complementary sealed water gate comprises a gate body, wherein a first fixing plate and a second fixing plate are respectively arranged at the left end and the right end of the inner side of the gate body, expansion bolts penetrate through the first fixing plate and the second fixing plate, the first fixing plate and the second fixing plate are respectively fixed at the inner side of the gate body through the expansion bolts, a first rotating shaft is fixedly connected onto the first fixing plate, a first flashboard is movably hinged onto the first fixing plate through the first rotating shaft, a second rotating shaft is fixedly connected onto the second fixing plate, a second flashboard is movably hinged onto the second fixing plate through the second rotating shaft, the first flashboard is matched with the second flashboard, an elastic sealing air bag is fixedly arranged on the second flashboard, connecting blocks are fixedly arranged on the first flashboard and the second flashboard, grooves are formed in the two connecting blocks, and supporting shafts are fixedly connected into the two grooves, supporting blocks are movably sleeved on the outer sides of the two supporting shafts, electric hydraulic cylinders are fixedly mounted at the left end and the right end of the inner side of the gate body, and the output ends of the two electric hydraulic cylinders are fixedly connected with the two same supporting blocks respectively;
equal fixed mounting has a brace table on first flashboard and the second flashboard, two all seted up on the brace table and supported the groove, two be equipped with the anchor strut between the support groove, the left and right sides of anchor strut has all welded the filling block, two the filling block is corresponding with two the same support grooves respectively.
As a preferred embodiment of the present invention, the first gate plate and the second gate plate are both fixedly mounted with an electric telescopic rod, the output ends of both the electric telescopic rods are fixedly connected with scrapers, both the scrapers are respectively adapted to the first gate plate and the second gate plate, and both the scrapers are attached to the first gate plate and the second gate plate.
In a preferred embodiment of the present invention, the surfaces of the first shutter and the second shutter are marked with graduation lines, and the division value of the graduation lines is 1 meter.
In a preferred embodiment of the present invention, the valve is fixedly communicated with an upper end of the elastic sealing airbag.
As a preferred embodiment of the present invention, the support platform is provided with a threaded hole, the threaded hole is communicated with the support groove, a bolt is arranged in the threaded hole, and the bolt is in threaded connection with the threaded hole.
As a preferred embodiment of the present invention, limiting plates are welded to both the first fixing plate and the second fixing plate.
In a preferred embodiment of the present invention, a protective cover is fixedly installed on an outer side of the electric telescopic rod.
In a preferred embodiment of the present invention, the reinforcing rods are stainless steel rods.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first gate plate, the second gate plate, the electric hydraulic cylinder, the first rotating shaft, the second rotating shaft, the connecting block, the groove, the supporting block, the supporting shaft and the elastic sealing air bag are used, the electric hydraulic cylinder is started to open and close the first gate plate and the second gate plate, and the sealing property between the first gate plate and the second gate plate can be increased by matching with the elastic sealing air bag, so that an overhead structure is omitted, the construction difficulty and the civil engineering quantity are reduced, the construction period is further shortened, the investment is further reduced, the water seepage phenomenon between the gate plates is avoided, and the reinforcing rod is arranged in the supporting groove through the filling block, so that the reinforcing rod can reinforce the first gate plate and the second gate plate, and the impact resistance of the first gate plate and the second gate plate can.
2. According to the invention, through the arrangement of the electric telescopic rod and the scraper, the electric telescopic rod is started so as to drive the scraper to move up and down, and further, dirt on the surfaces of the first flashboard and the second flashboard can be cleaned through the scraper, so that the corrosion of the dirt on the first flashboard and the second flashboard can be reduced, and the service lives of the first flashboard and the second flashboard are further prolonged.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic top view of the overall structure of a complementary sealing type water gate according to the present invention;
FIG. 2 is a schematic view of a connecting block structure of a complementary sealing type water gate according to the present invention;
FIG. 3 is a schematic view of the scraper structure of a complementary sealing type water gate according to the present invention;
FIG. 4 is a schematic view of a support platform of the complementary sealed water gate according to the present invention.
In the figure: 1. a gate body; 2. a first fixing plate; 3. a second fixing plate; 4. a first rotating shaft; 5. a second rotating shaft; 6. an expansion bolt; 7. a limiting plate; 8. a first shutter plate; 9. a second shutter plate; 10. an elastic sealing air bag; 11. an air valve; 12. connecting blocks; 13. an electric hydraulic cylinder; 14. filling blocks; 15. a bolt; 16. a reinforcing rod; 17. a support groove; 18. a support table; 19. a support shaft; 20. a groove; 21. a support block; 22. a protective cover; 23. an electric telescopic rod; 24. scale lines; 25. a squeegee; 26. a threaded bore.
The apparatus of the invention is available both commercially and in private customizations:
vibrating a motor: RS-365;
an electric cylinder: KXT-40E
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a complementary sealed water gate comprises a gate body 1, wherein a first fixing plate 2 and a second fixing plate 3 are respectively arranged at the left end and the right end of the inner side of the gate body 1, expansion bolts 6 penetrate through the first fixing plate 2 and the second fixing plate 3, the first fixing plate 2 and the second fixing plate 3 are respectively fixed at the inner side of the gate body 1 through the expansion bolts 6, a first rotating shaft 4 is fixedly connected onto the first fixing plate 2, the first fixing plate 2 is movably hinged with a first flashboard 8 through the first rotating shaft 4, a second rotating shaft 5 is fixedly connected onto the second fixing plate 3, the second fixing plate 3 is movably hinged with a second flashboard 9 through the second rotating shaft 5, the first flashboard 8 is matched with the second flashboard 9, an elastic sealing air bag 10 is fixedly arranged on the second flashboard 9, and connecting blocks 12 are respectively fixedly arranged on the first flashboard 8 and the second flashboard 9, grooves 20 are formed in the two connecting blocks 12, supporting shafts 19 are fixedly connected in the two grooves 20, supporting blocks 21 are movably sleeved on the outer sides of the two supporting shafts 19, electric hydraulic cylinders 13 are fixedly mounted at the left end and the right end of the inner side of the gate body 1, and the output ends of the two electric hydraulic cylinders 13 are fixedly connected with the two same supporting blocks 21 respectively;
supporting tables 18 are fixedly mounted on the first gate plate 8 and the second gate plate 9, supporting grooves 17 are formed in the two supporting tables 18, a reinforcing rod 16 is arranged between the two supporting grooves 17, filling blocks 14 are welded to the left side and the right side of the reinforcing rod 16, the two filling blocks 14 correspond to the two same supporting grooves 17 respectively, the first gate plate 8, the second gate plate 9, an electric hydraulic cylinder 13, the first rotating shaft 4, the second rotating shaft 5, a connecting block 12, a groove 20, a supporting block 21, a supporting shaft 19 and an elastic sealing air bag 10 are used, the electric hydraulic cylinder 13 is started to open and close the first gate plate 8 and the second gate plate 9, the sealing performance between the first gate plate 8 and the second gate plate 9 can be improved by matching with the elastic sealing air bag 10, therefore, an overhead structure is omitted, construction difficulty and civil engineering quantity are reduced, construction period is further shortened, and investment is reduced, the water seepage phenomenon between the flashboards is avoided, and the filling blocks 14 are arranged in the supporting grooves 17, so that the reinforcing rods 16 can reinforce the first flashboard 8 and the second flashboard 9, and the impact resistance of the first flashboard 8 and the second flashboard 9 can be further improved.
In this embodiment (please refer to fig. 3), equal fixed mounting has electric telescopic handle 23 on first flashboard 8 and the second flashboard 9, two the equal fixedly connected with scraper blade 25 of output of electric telescopic handle 23, two scraper blade 25 respectively with first flashboard 8 and second flashboard 9 looks adaptation, and two scraper blade 25 all sets up with the laminating of first flashboard 8 and second flashboard 9, through the setting of electric telescopic handle 23 and scraper blade 25, thereby start electric telescopic handle 23 and can drive scraper blade 25 and reciprocate, further can clear up the dirt on first flashboard 8 and second flashboard 9 surface through scraper blade 25, thereby can reduce the dirt and cause the corruption to first flashboard 8 and second flashboard 9, further extension first flashboard 8 and second flashboard 9's life.
In this embodiment (see fig. 3), the surface of each of the first gate plate 8 and the second gate plate 9 is marked with a scale mark 24, and the division value of the two scale marks 24 is 1 meter, so that the arrangement of the scale marks 24 can facilitate an observer to quickly determine the water storage capacity in the reservoir.
In this embodiment (see fig. 1), the upper end of the elastic sealing airbag 10 is fixedly communicated with an air valve 11, and the elastic sealing airbag 10 can be conveniently inflated by the arrangement of the air valve 11, so that the sealing performance between the first gate plate 8 and the second gate plate 9 can be further improved.
In this embodiment (see fig. 4), a threaded hole 26 is formed in the support platform 18, the threaded hole 26 is communicated with the support groove 17, a bolt 15 is disposed in the threaded hole 26, the bolt 15 is spirally connected with the threaded hole 26, and the bolt 15 is screwed through the arrangement of the threaded hole 26 and the bolt 15, so that the reinforcing rod 16 can be limited, and the stability of the reinforcing rod 16 in the support groove 17 is further increased, so that the reinforcing rod 16 is prevented from falling from the support groove 17.
In this embodiment (please refer to fig. 1), the first fixing plate 2 and the second fixing plate 3 are both welded with the limiting plates 7, and the angles of the first gate plate 8 and the second gate plate 9 can be limited by the limiting plates 7, so that the angles of the first gate plate 8 and the second gate plate 9 are maintained at ninety degrees.
In this embodiment (please refer to fig. 3), a protective cover 22 is fixedly installed on the outer side of the electric telescopic rod 23, and the electric telescopic rod 23 can be effectively protected by the protective cover 22, so that the service life of the electric telescopic rod 23 is further prolonged.
In this embodiment (see fig. 1), the reinforcing rods 16 are stainless steel rods, and the hardness and the service life of the reinforcing rods 16 can be increased by the arrangement of the stainless steel rods.
When a complementary sealed water conservancy gate is used, it should be noted that the complementary sealed water conservancy gate comprises a gate body 1, a first fixing plate 2, a second fixing plate 3, a first rotating shaft 4, a second rotating shaft 5, an expansion bolt 6, a limiting plate 7, a first gate plate 8, a second gate plate 9, an elastic sealing air bag 100, an air valve 11, a connecting block 12, an electric hydraulic cylinder 13, a filling block 14, a bolt 15, a reinforcing rod 16, a supporting groove 17, a supporting table 18, a supporting shaft 19, a groove 20, a supporting block 21, a protective cover 22, an electric telescopic rod 23, a scale mark 24, a scraper 25 and a threaded hole 26, wherein the components are all universal standard components or components known by technicians in the field, and the structure and principle of the components can be known by technicians in the technical manuals or conventional experimental methods.
When the device is used, the first gate plate 8, the second gate plate 9, the electric hydraulic cylinder 13, the first rotating shaft 4, the second rotating shaft 5, the connecting block 12, the groove 20, the supporting block 21, the supporting shaft 19 and the elastic sealing air bag 10 are used for starting the electric hydraulic cylinder 13 to open and close the first gate plate 8 and the second gate plate 9, the sealing performance between the first gate plate 8 and the second gate plate 9 can be improved by matching the elastic sealing air bag 10, so that the overhead structure is omitted, the construction difficulty and the civil engineering quantity are reduced, the construction period is further shortened, the investment is reduced, the water seepage phenomenon between the gate plates is avoided, the filling block 14 is arranged in the supporting groove 17, the reinforcing rod 16 can reinforce the first gate plate 8 and the second gate plate 9, the impact resistance of the first gate plate 8 and the second gate plate 9 can be further improved, and then the electric telescopic rod 23 is started so as to drive the scraper 25 to move up and down, dirt on the surfaces of the first flashboard 8 and the second flashboard 9 can be further cleaned through the scraper 25, so that corrosion of the dirt on the first flashboard 8 and the second flashboard 9 can be reduced, and the service life of the first flashboard 8 and the second flashboard 9 is further prolonged.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a complementary sealed water sluicegate, includes floodgate machine body (1), its characterized in that: the left end and the right end of the inner side of the gate body (1) are respectively provided with a first fixing plate (2) and a second fixing plate (3), expansion bolts (6) are respectively penetrated through the first fixing plate (2) and the second fixing plate (3), the first fixing plate (2) and the second fixing plate (3) are respectively fixed on the inner side of the gate body (1) through the expansion bolts (6), the first fixing plate (2) is fixedly connected with a first rotating shaft (4), the first fixing plate (2) is movably hinged with a first flashboard (8) through the first rotating shaft (4), the second fixing plate (3) is fixedly connected with a second rotating shaft (5), the second fixing plate (3) is movably hinged with a second flashboard (9) through the second rotating shaft (5), the first flashboard (8) is matched with the second flashboard (9), and an elastic sealing air bag (10) is fixedly installed on the second flashboard (9), the first gate plate (8) and the second gate plate (9) are both fixedly provided with connecting blocks (12), two connecting blocks (12) are both provided with grooves (20), supporting shafts (19) are both fixedly connected in the two grooves (20), supporting blocks (21) are movably sleeved on the outer sides of the two supporting shafts (19), electric hydraulic cylinders (13) are both fixedly arranged at the left end and the right end of the inner side of the gate machine body (1), and the output ends of the two electric hydraulic cylinders (13) are respectively and fixedly connected with the two same supporting blocks (21);
equal fixed mounting has a supporting bench (18) on first flashboard (8) and second flashboard (9), two supporting groove (17), two have all been seted up on supporting bench (18) support to be equipped with reinforcing rod (16) between groove (17), filler block (14) are all welded to the left and right sides of reinforcing rod (16), two filler block (14) are corresponding with two the same supporting groove (17) respectively.
2. A complementary sealed water sluicegate according to claim 1, wherein: equal fixed mounting has electric telescopic handle (23), two on first flashboard (8) and second flashboard (9) the equal fixedly connected with scraper blade (25) of output of electric telescopic handle (23), two scraper blade (25) respectively with first flashboard (8) and second flashboard (9) looks adaptation, and two scraper blade (25) all with first flashboard (8) and second flashboard (9) laminating setting.
3. A complementary sealed water sluicegate according to claim 1, wherein: the surface of the first flashboard (8) and the surface of the second flashboard (9) are both marked with graduation lines (24), and the division value of the two graduation lines (24) is 1 meter.
4. A complementary sealed water sluicegate according to claim 1, wherein: the upper end of the elastic sealing air bag (10) is fixedly communicated with an air valve (11).
5. A complementary sealed water sluicegate according to claim 1, wherein: the supporting platform (18) is provided with a threaded hole (26), the threaded hole (26) is communicated with the supporting groove (17), a bolt (15) is arranged in the threaded hole (26), and the bolt (15) is in threaded connection with the threaded hole (26).
6. A complementary sealed water sluicegate according to claim 1, wherein: limiting plates (7) are welded on the first fixing plate (2) and the second fixing plate (3).
7. A complementary sealed water sluicegate according to claim 2, wherein: and a protective cover (22) is fixedly arranged on the outer side of the electric telescopic rod (23).
8. A complementary sealed water sluicegate according to claim 1, wherein: the reinforcing rods (16) are stainless steel rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859266.7A CN112160291A (en) | 2020-08-24 | 2020-08-24 | Complementary sealed water sluicegate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859266.7A CN112160291A (en) | 2020-08-24 | 2020-08-24 | Complementary sealed water sluicegate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112160291A true CN112160291A (en) | 2021-01-01 |
Family
ID=73860229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010859266.7A Pending CN112160291A (en) | 2020-08-24 | 2020-08-24 | Complementary sealed water sluicegate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112160291A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000282445A (en) * | 1999-03-31 | 2000-10-10 | Sumitomo Heavy Ind Ltd | Watertight mechanism of horizontal tide gate deleted with raising and lowering operation |
| CN104563066A (en) * | 2014-12-18 | 2015-04-29 | 合肥工业大学 | Water stop body for plane gate of inflating type water gate and installing method thereof |
| CN106948317A (en) * | 2017-05-15 | 2017-07-14 | 湖州华科建设工程质量检测有限公司 | A kind of adjustable gate set applied to city on He Zhengjian roads |
| CN207672536U (en) * | 2017-12-19 | 2018-07-31 | 陈磊 | A kind of hydraulic engineering valve system |
| CN109235381A (en) * | 2018-11-10 | 2019-01-18 | 赵永梅 | A kind of water conservancy gate |
-
2020
- 2020-08-24 CN CN202010859266.7A patent/CN112160291A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000282445A (en) * | 1999-03-31 | 2000-10-10 | Sumitomo Heavy Ind Ltd | Watertight mechanism of horizontal tide gate deleted with raising and lowering operation |
| CN104563066A (en) * | 2014-12-18 | 2015-04-29 | 合肥工业大学 | Water stop body for plane gate of inflating type water gate and installing method thereof |
| CN106948317A (en) * | 2017-05-15 | 2017-07-14 | 湖州华科建设工程质量检测有限公司 | A kind of adjustable gate set applied to city on He Zhengjian roads |
| CN207672536U (en) * | 2017-12-19 | 2018-07-31 | 陈磊 | A kind of hydraulic engineering valve system |
| CN109235381A (en) * | 2018-11-10 | 2019-01-18 | 赵永梅 | A kind of water conservancy gate |
Non-Patent Citations (1)
| Title |
|---|
| 李春亭: "《津"门"有忆 天津胡同门扇民俗图典》", 31 October 2016, 天津科学技术出版社 * |
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Application publication date: 20210101 |