CN109930564B - Blue algae water collecting gate - Google Patents
Blue algae water collecting gate Download PDFInfo
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- CN109930564B CN109930564B CN201910317924.7A CN201910317924A CN109930564B CN 109930564 B CN109930564 B CN 109930564B CN 201910317924 A CN201910317924 A CN 201910317924A CN 109930564 B CN109930564 B CN 109930564B
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- blue algae
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- leaf structure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 241000195493 Cryptophyta Species 0.000 title claims abstract description 32
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 230000000452 restraining effect Effects 0.000 claims description 13
- 230000002441 reversible effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 2
- 239000005422 algal bloom Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 241000192700 Cyanobacteria Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 108010049746 Microcystins Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 201000007270 liver cancer Diseases 0.000 description 1
- 208000014018 liver neoplasm Diseases 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
A blue algae water collecting gate relates to the field of water environment treatment, in particular to a blue algae water collecting gate which is used for blue algae water body replacement, has good replacement effect and has stable structure. The blue algae water collecting gate comprises a gate assembly, a gate slot embedded part, a pull rod and two hydraulic cylinders, wherein the gate assembly is arranged on the gate slot embedded part; the pull rod is inverted L-shaped, is arranged at two ends of the gate assembly, the vertical section of the pull rod is connected with the gate assembly, and the horizontal section is arranged above the hydraulic cylinder and is connected with the top of the hydraulic rod. The blue algae water collecting gate is compact in arrangement, and water flow with the same water quantity as that of the water coming from the blue algae is discharged by running the gate, so that water body replacement is formed. Not only can collect blue algae as much as possible, but also can not waste too much precious water source.
Description
Technical Field
The invention relates to the field of water environment treatment, in particular to a blue algae water collecting gate which is used for blue algae water body replacement and has good replacement effect and stable structure.
Background
In some nutrient-rich water bodies, some blue algae are often propagated in a large quantity in summer, and a layer of blue-green and fishy-smell floating foam is formed on the water surface, which is called "bloom" and large-scale blue algae burst, which is called "green tide". The green tide causes water quality deterioration, and when serious, the water is exhausted to consume oxygen in the water, so that fish death is caused. More seriously, some species of cyanobacteria also produce microcystins, and about 50% of green tide contains a large number of MCs. MCs are also important inducers of liver cancer besides directly causing toxicity to fish, people and animals.
Eutrophication has become one of the major environmental problems of water resources, and it makes the occurrence frequency and severity of algal bloom in freshwater lakes and river channels show a significant upward trend, and the economic loss caused by the eutrophication is difficult to estimate, wherein blue algae is the main algae causing algal bloom pollution. The grass sea area is a city living room of Kunming, is an important window and carrier for showing the good city image of Kunming, and the obvious improvement of grass sea quality and the obvious improvement of the quality of the area are a great working focus of the Dian pond treatment at the stage.
Disclosure of Invention
The invention aims to solve the problem that the existing blue algae is difficult to treat, and provides the blue algae water collecting gate which is used for blue algae water body replacement and has good replacement effect and stable structure.
The blue algae water collecting gate is characterized by comprising a gate assembly, a gate slot embedded part, a pull rod and two hydraulic cylinders, wherein the gate assembly is arranged on the gate slot embedded part; the pull rod is inverted L-shaped and is arranged at two ends of the gate assembly, the vertical section of the pull rod is connected with the gate assembly, and the horizontal section of the pull rod is arranged above the hydraulic cylinder and is connected with the top of the hydraulic rod; wherein:
the gate assembly comprises a gate leaf structure, a level I limiting device and a level II limiting device, and the gate leaf structure is welded by steel plates to form a rectangular shape; the I-level limiting devices are two groups, are respectively arranged on the front side walls at two ends of the door leaf structure, and are arranged up and down; the II-level limiting devices are two groups, are respectively arranged on the end walls at the two ends of the door leaf structure, and are arranged up and down;
the door groove embedded part comprises two sill devices and two side devices, wherein the two side devices are symmetrically arranged at two ends of the sill devices, a placing space is formed in each side device, a hydraulic cylinder is placed in each placing space, sliding grooves are formed in the outer portions of the side devices, the sliding grooves of the two side devices are oppositely arranged, and two ends of the gate assembly are arranged in the sliding grooves and slide up and down along the sliding grooves.
The I-level limiting device consists of a guide block, a screw and a rubber cushion block, wherein the guide block is arranged on the rubber cushion block, the rubber cushion block is arranged on the support, the back of the support is welded on a door leaf structure, the screw penetrates through the guide block and the rubber cushion block to be connected with the support, and the guide block and the rubber cushion block are fixed on the support through the screw; the guide block surface is arc-shaped and contacts with the side wall of the side device, so that torque for restraining the synchronous error of the hydraulic cylinder to continue to increase is formed, and the arc-shaped surface enables the whole gate to be difficult to block.
The II-level limiting device comprises a base, a rubber cushion block, a guard plate and guide rods, wherein the back of the base is welded on a door leaf structure, the rubber cushion block is fixed on the base through screws, the guide rods are fixed in the middle of the rubber cushion block and are vertical to the rubber cushion block, and the guard plate is four and is respectively arranged around the guide rods and is vertically fixed on the rubber cushion block; the top of the guide rod is a round head, contacts with the inner wall of the sliding groove, forms a moment for restraining the synchronous error of the hydraulic cylinder to continuously increase, has larger rigidity than the I-level limiting device, has larger restraining effect, and ensures that the round head surface contacts with the inner wall of the sliding groove, so that the whole gate is not easy to block.
The door leaf structure on still be provided with reverse elasticity slider device, reverse elasticity slider device is vertical to be set up between door leaf structure and sliding tray, reverse elasticity slider device includes installation piece, slider and leaf spring, the leaf spring is piled up by thin corrosion resistant plate and forms, leaf spring one end setting is on the installation piece, the screw passes leaf spring and installation piece in proper order and fixes on door leaf structure, the slider sets up the intermediate position at leaf spring towards sliding tray inner wall one side, through screw connection between slider and the leaf spring.
The door slot embedded part is provided with a middle baffle, the middle baffle is arranged on the sill device, two ends of the middle baffle are respectively connected with side devices on two sides, and the middle baffle is flush with one side wall of the sliding slot on the side devices; the door leaf structure is provided with a water sealing device, the water sealing device is made into a rectangular shape by utilizing the rubber strip, the size of the water sealing device is the same as that of the middle baffle, and when the door leaf structure descends to the closing position along the sliding groove, the water sealing device is covered on the middle baffle for lamination, so that the sealing effect is achieved.
The top of the door leaf structure is provided with an arc-shaped guide plate, so that blue algae water can smoothly flow through the top of the door.
The utility model provides a pull rod and hydraulic stem between be provided with ball joint, ball joint includes bulb piece and connecting block, is provided with the screw in the middle of the connecting block, sets up the screw on the outer wall of hydraulic stem upper portion, the connecting block passes through the screw to be connected with hydraulic stem upper portion, the bulb piece passes through the fix with screw on connecting block upper portion, the sphere is processed into at bulb piece top, is connected with pull rod horizontal segment bottom surface, adaptation ball joint and the relative deformation between the pull rod.
When the hydraulic cylinder has smaller synchronous deviation, the cambered surface of the guide block of the I-level limiting device is attached to the side part device of the gate slot embedded part, so that a moment for restraining the continuous increase of the synchronous error of the hydraulic cylinder is formed; and when the synchronous error of the hydraulic cylinder continues to increase, the guide rod of the II-stage limiting device is attached to the inner wall of the sliding groove of the side part device of the gate groove embedded part, so that a larger moment for restraining the synchronous error of the hydraulic cylinder to continue to increase is provided, if the synchronous error of the hydraulic cylinder continues to increase, the hydraulic cylinder is corrected through human intervention, such as manually controlling the hydraulic cylinder on the single side to lift after stopping, and the adjustment error is carried out, so that the blocking probability caused by overlarge synchronous errors on two sides of the gate assembly can be effectively reduced.
The blue algae water collecting gate is compact in arrangement, and the water flow with the same water quantity as the water inflow quantity and rich in blue algae is discharged by running the gate, so that water body replacement is formed. According to the related data, the distribution of blue algae in the water body in the vertical direction is at most within 10cm of the surface, and the distribution is more than 50%. Therefore, the water body with the water surface of 10cm is considered to be collected, so that not only can blue algae be collected as much as possible, but also too much precious water source is not wasted. When needed, the height of the gate can be adjusted according to the local water conditions.
Drawings
FIG. 1 is a schematic view of a gate assembly according to the present invention.
FIG. 2 is a schematic view of a gate slot embedded part according to the present invention.
Fig. 3 is a schematic diagram of a connection structure of a pull rod and a hydraulic cylinder according to the present invention.
Fig. 4 is a schematic view of a ball joint structure.
Fig. 5 is a schematic view of the structure of the water seal device.
FIG. 6 is a schematic view of a reverse elastic slider device.
Fig. 7 is a schematic structural diagram of the I-stage limiting device.
Fig. 8 is a schematic structural view of a II-stage limiting device.
Fig. 9 is a side view of the gate assembly.
The hydraulic device comprises a pull rod 1, a hydraulic rod 2, an I-level limiting device 3, an II-level limiting device 4, a sill device 5, a side device 6, a placing space 7, a sliding groove 8, a guide block 9, a screw 10, a rubber cushion block 11, a bracket 12, a base 13, a guard plate 14, a guide rod 15, a mounting block 16, a sliding block 17, a plate spring 18, a middle baffle 19, a water seal device 20, a guide plate 21, a ball block 22 and a connecting block 23.
Detailed Description
Example 1: the blue algae water collecting gate comprises a gate assembly, a gate slot embedded part, a pull rod 1 and two hydraulic cylinders, wherein the gate assembly is arranged on the gate slot embedded part; the pull rod 1 is inverted L-shaped and is arranged at two ends of the gate assembly, a vertical section of the pull rod 1 is connected with the gate assembly, and a horizontal section of the pull rod 1 is arranged above the hydraulic cylinder and is connected with the top of the hydraulic rod 2; wherein:
the gate assembly comprises a gate leaf structure, a level I limiting device 3 and a level II limiting device 4, and the gate leaf structure is welded into a rectangular shape by adopting a steel plate; the I-level limiting devices 3 are two groups, are respectively arranged on the front side walls at two ends of the door leaf structure, and are arranged up and down; the II-level limiting devices 4 are two groups, are respectively arranged on the end walls at the two ends of the door leaf structure, and are arranged up and down;
the door groove embedded part comprises two sill devices 5 and side devices 6, the two side devices 6 are symmetrically arranged at two ends of the sill device 5, a placing space 7 is arranged in the side devices 6, a hydraulic cylinder is placed in the placing space 7, sliding grooves 8 are formed in the outer portion of the side devices 6, the sliding grooves 8 of the two side devices 6 are oppositely arranged, and two ends of the gate assembly are arranged in the sliding grooves 8 and slide up and down along the sliding grooves 8.
The I-level limiting device 3 consists of a guide block 9, a screw 10, a rubber cushion block 11 and a support 12, wherein the guide block 9 is arranged on the rubber cushion block 11, the rubber cushion block 11 is arranged on the support 12, the back of the support 12 is welded on a door leaf structure, the screw 10 penetrates through the guide block 9 and the rubber cushion block 11 to be connected with the support 12, and the guide block 9 and the rubber cushion block 11 are fixed on the support 12 through the screw 10; the surface of the guide block 9 is arc-shaped and contacts with the side wall of the side device 6, so that a moment for restraining the synchronous error of the hydraulic cylinder to continue to increase is formed, and the whole gate is not easy to block due to the arc-shaped surface. The II-level limiting device 4 comprises a base 13, a rubber cushion block 11, a guard plate 14 and guide rods 15, wherein the back of the base 13 is welded on a door leaf structure, the rubber cushion block 11 is fixed on the base 13 through screws 10, the guide rods 15 are fixed in the middle of the rubber cushion block 11 and are perpendicular to the rubber cushion block 11, and the guard plate 14 is four and is respectively arranged around the guide rods 15 and is vertically fixed on the rubber cushion block 11; the top of the guide rod 15 is a round head, contacts with the inner wall of the sliding groove 8, forms a moment for restraining the continuous increase of the synchronous error of the hydraulic cylinder, has larger rigidity than the I-level limiting device 3, has larger restraining effect, and has the round head surface contacted with the inner wall of the sliding groove 8, so that the whole gate is not easy to block.
The door leaf structure is further provided with a reverse elastic sliding block 17 device, the reverse elastic sliding block 17 device is vertically arranged between the door leaf structure and the sliding groove 8, the reverse elastic sliding block 17 device comprises a mounting block 16, a sliding block 17 and a plate spring 18, the plate spring 18 is formed by stacking thin stainless steel plates, one end of the plate spring 18 is arranged on the mounting block 16, a screw 10 sequentially penetrates through the plate spring 18 and the mounting block 16 to be fixed on the door leaf structure, the sliding block 17 is arranged at the middle position of one surface of the plate spring 18 facing the inner wall of the sliding groove 8, and the sliding block 17 is connected with the plate spring 18 through the screw 10. A middle baffle 19 is arranged on the door slot embedded part, the middle baffle 19 is arranged on the sill device 5, two ends of the middle baffle 19 are respectively connected with the side devices 6 on two sides, and the middle baffle 19 is flush with one side wall of the sliding slot 8 on the side devices 6; the door leaf structure is provided with the water seal device 20, and the water seal device 20 utilizes the rubber strip to make rectangular shape, and the size is the same with middle part baffle 19 size, and when the door leaf structure descends to the closed position along sliding tray 8, the water seal device 20 covers and laminates on middle part baffle 19, plays the closure effect. The top of the door leaf structure is provided with an arc-shaped guide plate 21 to ensure that blue algae water smoothly flows through the top of the door.
The ball joint is arranged between the pull rod 1 and the hydraulic rod 2, the ball joint comprises a ball block 22 and a connecting block 23, a screw hole is formed in the middle of the connecting block 23, threads are formed in the outer wall of the upper portion of the hydraulic rod 2, the connecting block 23 is connected with the upper portion of the hydraulic rod 2 through the threads, the ball block 22 is fixed on the upper portion of the connecting block 23 through a screw 10, the top of the ball block 22 is processed into a spherical surface, the spherical surface is connected with the bottom surface of the horizontal section of the pull rod 1, and the spherical surface is adapted to relative deformation between the ball joint and the pull rod 1.
When the hydraulic cylinder has smaller synchronization deviation, for example, the arc surface of the guide block 9 of the I-level limiting device 3 is attached to the side device 6 of the gate slot embedded part under the condition of less than 5cm, so that a moment for restraining the continuous increase of the synchronization error of the hydraulic cylinder is formed; and when the synchronous error of the hydraulic cylinder is continuously increased, if the synchronous error is increased to 10cm, the guide rod 15 of the II-stage limiting device 4 is attached to the inner wall of the sliding groove 8 of the side device 6 of the door groove embedded part, a larger moment for restraining the synchronous error of the hydraulic cylinder to be continuously increased is provided, if the synchronous error of the hydraulic cylinder is continuously increased to more than 20cm, the synchronous error is corrected through human intervention, if the hydraulic cylinder on the single side is manually controlled to lift after stopping, the error is adjusted, and the blocking probability caused by overlarge synchronous error on two sides of the gate assembly can be effectively reduced.
Claims (5)
1. The blue algae water collecting gate is characterized by comprising a gate assembly, a gate slot embedded part, a pull rod (1) and two hydraulic cylinders, wherein the gate assembly is arranged on the gate slot embedded part; the pull rod (1) is in an inverted L shape and is arranged at two ends of the gate assembly, a vertical section of the pull rod (1) is connected with the gate assembly, and a horizontal section of the pull rod is arranged above the hydraulic cylinder and is connected with the top of the hydraulic rod (2); wherein:
the gate assembly comprises a gate leaf structure, a level I limiting device (3) and a level II limiting device (4), and the gate leaf structure is welded by steel plates to form a rectangular shape; the I-level limiting devices (3) are two groups, are respectively arranged on the front side walls at two ends of the door leaf structure, are two in each group, and are arranged up and down; the II-level limiting devices (4) are two groups, are respectively arranged on the end walls at the two ends of the door leaf structure, and are arranged up and down;
the door slot embedded part comprises a sill device (5) and side devices (6), wherein the two side devices (6) are symmetrically arranged at two ends of the sill device (5), a placing space (7) is arranged in the side devices (6), a hydraulic cylinder is placed in the placing space (7), sliding grooves (8) are formed in the outer parts of the side devices (6), the sliding grooves (8) of the two side devices (6) are oppositely arranged, and two ends of a gate assembly are arranged in the sliding grooves (8) and slide up and down along the sliding grooves (8);
the I-level limiting device (3) consists of a guide block (9), a screw (10) and a rubber cushion block (11), wherein the guide block (9) is arranged on the rubber cushion block (11), the rubber cushion block (11) is arranged on the support (12), the back of the support (12) is welded on a door leaf structure, the screw (10) penetrates through the guide block (9) and the rubber cushion block (11) to be connected with the support (12), and the guide block (9) and the rubber cushion block (11) are fixed on the support (12) through the screw (10); the surface of the guide block (9) is in arc-shaped contact with the side wall of the side device (6) to form a moment for restraining the continuous increase of the synchronous error of the hydraulic cylinder, and the arc-shaped surface ensures that the whole gate is not easy to block;
the II-level limiting device (4) comprises a base (13), a rubber cushion block (11), a guard plate (14) and guide rods (15), wherein the back of the base (13) is welded on a door leaf structure, the rubber cushion block (11) is fixed on the base (13) through screws (10), the guide rods (15) are fixed in the middle of the rubber cushion block (11) and are perpendicular to the rubber cushion block (11), the number of the guard plates (14) is four, and the four guard plates are respectively arranged around the guide rods (15) and are perpendicularly fixed on the rubber cushion block (11); the top of the guide rod (15) is a round head, contacts with the inner wall of the sliding groove (8), forms a moment for restraining the synchronous error of the hydraulic cylinder to continue to increase, has larger rigidity than the I-level limiting device (3), has larger restraining effect, and ensures that the surface of the round head contacts with the inner wall of the sliding groove (8) so that the whole gate is not easy to block.
2. The blue algae water collecting gate according to claim 1, wherein the leaf structure is further provided with a reverse elastic sliding block device, the reverse elastic sliding block device is vertically arranged between the leaf structure and the sliding groove (8), the reverse elastic sliding block device comprises a mounting block (16), a sliding block (17) and a leaf spring (18), the leaf spring (18) is formed by stacking thin stainless steel plates, one end of the leaf spring (18) is arranged on the mounting block (16), a screw (10) sequentially penetrates through the leaf spring (18) and the mounting block (16) to be fixed on the leaf structure, the sliding block (17) is arranged at an intermediate position of one surface of the leaf spring (18) facing the inner wall of the sliding groove (8), and the sliding block (17) is connected with the leaf spring (18) through the screw (10).
3. The blue algae water collecting gate according to claim 1, characterized in that a middle baffle (19) is arranged on the gate slot embedded part, the middle baffle (19) is arranged on the sill device (5), two ends of the middle baffle (19) are respectively connected with the side devices (6) on two sides, and the middle baffle (19) is flush with one side wall of the sliding slot (8) on the side devices (6); the door leaf structure is provided with a water sealing device (20), the water sealing device (20) is made into a rectangular shape by utilizing a rubber strip, the size is the same as that of the middle baffle plate (19), and when the door leaf structure descends to a closing position along the sliding groove (8), the water sealing device (20) is covered on the middle baffle plate (19) to be attached, so that a sealing effect is achieved.
4. The blue algae water collecting gate according to claim 1, wherein the top of the gate leaf structure is provided with an arc-shaped guide plate (21) for ensuring the blue algae water to smoothly flow through the gate top.
5. The blue algae water collecting gate according to claim 1, characterized in that a spherical joint is arranged between the pull rod (1) and the hydraulic rod (2), the spherical joint comprises a ball block (22) and a connecting block (23), a screw hole is formed in the middle of the connecting block (23), threads are formed in the outer wall of the upper portion of the hydraulic rod (2), the connecting block (23) is connected with the upper portion of the hydraulic rod (2) through the threads, the ball block (22) is fixed on the upper portion of the connecting block (23) through a screw (10), the top of the ball block (22) is processed into a spherical surface, and the spherical joint is connected with the bottom surface of the horizontal section of the pull rod (1) to adapt to relative deformation between the spherical joint and the pull rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317924.7A CN109930564B (en) | 2019-04-19 | 2019-04-19 | Blue algae water collecting gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317924.7A CN109930564B (en) | 2019-04-19 | 2019-04-19 | Blue algae water collecting gate |
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| Publication Number | Publication Date |
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| CN109930564A CN109930564A (en) | 2019-06-25 |
| CN109930564B true CN109930564B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910317924.7A Active CN109930564B (en) | 2019-04-19 | 2019-04-19 | Blue algae water collecting gate |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110761254A (en) * | 2019-11-27 | 2020-02-07 | 汩鸿（上海）环保工程设备有限公司 | Sinking type gate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100980897B1 (en) * | 2010-04-28 | 2010-09-10 | 주식회사 한국종합기술 | The hydraulic pulling up floodgate |
| CN205604189U (en) * | 2016-04-29 | 2016-09-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Two -way plane gate sealing device |
| CN108166458A (en) * | 2017-12-28 | 2018-06-15 | 中国长江三峡集团公司 | The integrated gate of ship lift navigation |
| CN109537540A (en) * | 2018-12-29 | 2019-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of planer sliding type bulkhead gate structure |
| CN210216334U (en) * | 2019-04-19 | 2020-03-31 | 中国电建集团昆明勘测设计研究院有限公司 | Blue algae water collecting gate |
-
2019
- 2019-04-19 CN CN201910317924.7A patent/CN109930564B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100980897B1 (en) * | 2010-04-28 | 2010-09-10 | 주식회사 한국종합기술 | The hydraulic pulling up floodgate |
| CN205604189U (en) * | 2016-04-29 | 2016-09-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Two -way plane gate sealing device |
| CN108166458A (en) * | 2017-12-28 | 2018-06-15 | 中国长江三峡集团公司 | The integrated gate of ship lift navigation |
| CN109537540A (en) * | 2018-12-29 | 2019-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of planer sliding type bulkhead gate structure |
| CN210216334U (en) * | 2019-04-19 | 2020-03-31 | 中国电建集团昆明勘测设计研究院有限公司 | Blue algae water collecting gate |
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| CN109930564A (en) | 2019-06-25 |
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