CN104563066B - The water-stop body of a kind of inflated type sluice plane gate and installation method thereof - Google Patents
The water-stop body of a kind of inflated type sluice plane gate and installation method thereof Download PDFInfo
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- CN104563066B CN104563066B CN201410796377.2A CN201410796377A CN104563066B CN 104563066 B CN104563066 B CN 104563066B CN 201410796377 A CN201410796377 A CN 201410796377A CN 104563066 B CN104563066 B CN 104563066B
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- 238000009434 installation Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 136
- 210000003437 trachea Anatomy 0.000 claims abstract description 48
- 230000000694 effects Effects 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 21
- 238000010586 diagram Methods 0.000 description 9
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- 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
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses water-stop body and the installation method thereof of a kind of inflated type sluice plane gate, include left gate pier, right gate pier, gate floor, sealing rod one that structure is identical and sealing rod two, plane gate and seal plate, described gate floor bottom with left gate pier and right gate pier respectively is connected as a single entity, the medial wall of left gate pier and right gate pier has vertical gate slot, trachea one and trachea two it is respectively equipped with in the gate slot of left and right sides, described plane gate is slidably mounted in two gate slotes, it is provided with roller between plane gate and gate slot inwall, the sidewall of two gate slotes has caulking groove, it is separately installed with L-type backplate at described caulking groove, the end face of backplate is with left, the end face of right gate pier flushes, described sealing rod one is installed in the groove surrounded by backplate and caulking groove on left gate pier.The present invention have rational in infrastructure, stagnant water effect good, force of opening and closing is little, the feature such as durable, easy and simple to handle, is the water-stop body of the sluice plane gate of a kind of advanced person.
Description
Technical field
The present invention relates to the water-stop body of sluice plane gate, particularly relate to water-stop body and the installation method thereof of a kind of inflated type horizontal plane lock gate.
Background technology
Current sluice is all installation p-type water-stop body on plane gate, and when opening and closing plane gate, this p-type water-stop body moves together with plane gate in gate slot, by the elastic deformation of p-type water-stop body self, props up gate slot and gate floor carries out sealing.For the plane gate frequently opened and closed, this kind of p-type water-stop body is easy to wear, tear or deform and leak.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that the water-stop body of a kind of inflated type sluice plane gate and installation method thereof.
The present invention is achieved by the following technical solutions:
nullA kind of water-stop body of inflated type sluice plane gate，Include left gate pier、Right gate pier、Gate floor、Sealing rod one that structure is identical and sealing rod two、Plane gate and seal plate，Described gate floor bottom with left gate pier and right gate pier respectively is connected as a single entity，The medial wall of left gate pier and right gate pier has vertical gate slot，Trachea one and trachea two it is respectively equipped with in the gate slot of left and right sides，Described plane gate is slidably mounted in two gate slotes，It is provided with roller between plane gate and gate slot inwall，The sidewall of two gate slotes has caulking groove，It is separately installed with L-type backplate at described caulking groove，The end face of backplate is with left、The end face of right gate pier flushes，Described sealing rod one is installed in the groove surrounded by backplate and caulking groove on left gate pier，Described sealing rod two is installed in the groove surrounded by backplate and caulking groove on right gate pier，The bottom surface of described plane gate has mounting groove，Described seal plate is installed in mounting groove，Described sealing rod one and sealing rod two all include a left side、Right arc elastic side plate，Left、The rear side of right arc elastic side plate connects arc elastic top board，Left、The front side of right arc elastic side plate connects flexible base plate，Described elastic bottom plate、Left、Right arc elastic side plate and arc elastic top board constitute the inflatable chamber that cross section is Ω shape，Upper and lower side at inflatable chamber is respectively fixed with end plate，It is convex stupefied that lateral surface at arc elastic top board is provided with round end，The lateral surface of the convex stupefied contact plane gate of round end，It is respectively equipped with on the top of the left arc elastic side plate of sealing rod one and the right arc elastic side plate of sealing rod two that adapter is first and pipe joint two，Take over first and pipe joint two to be connected with trachea one and trachea two respectively，The end face of plane gate connects and has lifting rope.
Described seal plate is rectangle hollow plate, lower part at seal plate has the through hole of level, and is blocked at the two ends of through hole, and the length of seal plate is equal with the width of described plane gate, seal plate upstream face is concordant with plane gate upstream face, and the bottom surface of seal plate is above the bottom surface of plane gate.
When unaerated in described sealing rod one, sealing rod two, sealing rod one, sealing rod two are retracted in the most described groove, and described plane gate does not contact sealing rod one, sealing rod two when opening and closing mobile in gate slot.When described plane gate cuts out, prop up described plane gate after inflation in described sealing rod one, sealing rod two, described sealing rod one, seal plate, sealing rod two surround the water-stop body of " ┕ ┙ " shape.
The installation method of the water-stop body of a kind of inflated type sluice plane gate, comprises the following steps:
1) when pouring the concrete of left and right gate pier, the pipeline disposing trachea one is reserved in left gate pier, the pipeline disposing trachea two is reserved in right gate pier, and on the upstream sidewall of left gate pier gate slot, reserve the caulking groove of installation sealing rod one, the upstream sidewall of right gate pier gate slot reserves the caulking groove installing sealing rod two, the bottom surface of plane gate reserves the mounting groove installing seal plate；
2) wide with plane gate by seal plate length, seal plate upstream face is concordant with plane gate upstream face, seal plate bottom surface is slightly higher than the requirement of plane gate bottom surface, with bolt, seal plate is fixed in the mounting groove bottom plane gate；
3) backplate is installed in the caulking groove of left and right gate pier gate slot, makes the end face of backplate and left and right gate pier either flush, in the pipeline of left gate pier, penetrate trachea one, in the pipeline of right gate pier, penetrate trachea two；
4) sealing rod one is installed in the groove being made up of caulking groove and backplate on left gate pier gate slot, it is connected with trachea one first for the adapter of sealing rod one, and sealing rod two is installed in the groove being made up of caulking groove and backplate on right gate pier gate slot, after the pipe joint two of sealing rod two is connected with trachea two, then trachea one, trachea two are coupled with air supply system；
5) plane gate is dropped to gate floor end face along both sides gate slot, i.e. seal plate is butted on gate floor end face, in sealing rod one, sealing rod two, it is pressed into pressure-air through trachea one, trachea two again by air supply system simultaneously, sealing rod one, sealing rod two expansion is allowed to prop up plane gate, treat that the upstream inpoundment of sluice reaches design water level, the stagnant water effect of test water-stop body；
6) releasing the air in sealing rod one, sealing rod two again, sealing rod one, sealing rod two unclamp plane gate and bounce back in groove when the time comes；
7) plane gate of slinging is opened sluice and is sluiced.The above-mentioned debugging to water-stop body reaches design when requiring, i.e. completes the installation of inflated type water gate water-stop body.
The operation principle of the present invention is: be provided with sealing rod one, sealing rod two on the gate slot of sluice left and right sides gate pier, and in the bottom of plane gate, seal plate is installed, the plane gate water-stop body of " ┕ ┙ " shape it is made up of this sealing rod one, seal plate and sealing rod two.Sealing rod one, sealing rod two are when unaerated, and sealing rod one, sealing rod two do not contact with plane gate in caulking groove by the elastical retraction of self, and the keying of plane gate will not be worn and torn and maybe will not be torn sealing rod one, sealing rod two；In sealing rod one, water-stop body two after inflation, sealing rod one, sealing rod two expand and prop up plane gate, carry out sealing at the gate slot of both sides gate pier.The seal plate of slightly above plane gate bottom surface is installed bottom plane gate again, by weight and the elastic deformation of seal plate of plane gate, plane gate and gate floor contact portion is carried out sealing.Especially bottom plane gate with the intersection of gate slot, be to have sealing rod one, sealing rod two to carry out sealing against seal plate by elastic deformation.
The invention have the advantage that the sealing rod one of the present invention, sealing rod two, when unaerated, are retracted in the caulking groove of gate pier gate slot, do not contact with plane gate, the keying of plane gate is not worn and torn water-stop body；The sealing rod one of this kind of water-stop body, sealing rod two can expand after inflation and prop up plane gate, it it is plane gate sealing together with seal plate, this kind of water-stop body is applicable to frequently open and close the plane gate of sluice, have rational in infrastructure, stagnant water effect good, force of opening and closing is little, the feature such as durable, easy and simple to handle, is the water-stop body of the sluice plane gate of a kind of advanced person.
Accompanying drawing explanation
Fig. 1 is that the positive section view of the present invention arranges schematic diagram.
Fig. 2 is that the side section view of the present invention arranges schematic diagram.
Fig. 3 is that the section view of bowing of the present invention arranges schematic diagram.
Fig. 4 is the sealing rod two cross-sectional configuration schematic diagram of the present invention.
Fig. 5 is the positive sectional structure schematic diagram of sealing rod one of the present invention.
Fig. 6 is the positive sectional structure schematic diagram of sealing rod two of the present invention.
Fig. 7 is the sealing rod two side sectional structure schematic diagram of the present invention.
Fig. 8 is that the sealing rod one of the present invention is bowed sectional structure schematic diagram.
Fig. 9 is the seal plate positive sectional structure schematic diagram of the present invention.
Detailed description of the invention
nullSuch as Fig. 1、2、3、4、5、6、7、Shown in 8，A kind of water-stop body of inflated type sluice plane gate，Include left gate pier 1.1、Right gate pier 1.2、Gate floor 2、Sealing rod 1 that structure is identical and sealing rod 2 13、Plane gate 4 and seal plate 9，Described gate floor 2 bottom with left gate pier 1.1 and right gate pier 1.2 respectively is connected as a single entity，The medial wall of left gate pier 1.1 and right gate pier 1.2 has vertical gate slot 3，Trachea 1 and trachea 28 it is respectively equipped with in the gate slot 3 of left and right sides，Described plane gate 4 is slidably mounted in two gate slotes 3，It is provided with roller 5 between plane gate 4 and gate slot 3 inwall，The sidewall of two gate slotes 3 has caulking groove，It is separately installed with L-type backplate 11 at described caulking groove，The end face of backplate 11 is with left、Right gate pier 1.1、The end face of 1.2 flushes，Described sealing rod 1 is installed in the groove surrounded by backplate 11 and caulking groove on left gate pier 1.1，Described sealing rod 2 13 is installed in the groove surrounded by backplate 11 and caulking groove on right gate pier 1.2，The bottom surface of described plane gate 4 has mounting groove，Described seal plate 9 is installed in mounting groove，Described sealing rod 1 and sealing rod 2 13 all include a left side、Right arc elastic side plate 15，Left、The rear side of right arc elastic side plate 15 connects arc elastic top board 16，Left、The front side of right arc elastic side plate 15 connects flexible base plate 14，Described elastic bottom plate 14、Left、Right arc elastic side plate 15 and arc elastic top board 16 constitute the inflatable chamber that cross section is Ω shape，Upper and lower side at inflatable chamber is respectively fixed with end plate 18，Lateral surface at arc elastic top board 16 is provided with round end convex stupefied 17，The lateral surface of the convex stupefied 17 contact plane gates 4 of round end，It is respectively equipped with adapter first 19 and pipe joint 2 20 on the top of the left arc elastic side plate of sealing rod 1 and the right arc elastic side plate of sealing rod two，Take over first 19 and pipe joint 2 20 be connected with trachea 1 and trachea 28 respectively，The end face of plane gate 4 connects and has lifting rope 6.
As shown in Figure 9, described seal plate 9 is rectangle hollow plate, lower part at seal plate has the through hole 10 of level, and the two ends of through hole 10 are blocked, the length of seal plate 9 is equal with the width of described plane gate 4, seal plate 9 upstream face is concordant with plane gate 4 upstream face, and the bottom surface of seal plate 9 is above the bottom surface of plane gate 4.
When unaerated in described sealing rod 1, sealing rod 2 13, sealing rod 1, sealing rod 2 13 are retracted in the most described groove, and described plane gate 4 does not contact sealing rod 1, sealing rod 2 13 when opening and closing mobile in gate slot 3.When described plane gate 4 cuts out, prop up described plane gate 4 after inflation in described sealing rod 1, sealing rod 2 13, described sealing rod 1, seal plate 9, sealing rod 2 13 surround the water-stop body of " ┕ ┙ " shape.
The installation method of the water-stop body of a kind of inflated type sluice plane gate, comprises the following steps:
1) when pouring the concrete of left and right gate pier 1.1,1.2, the pipeline disposing trachea 1 is reserved in left gate pier 1.1, the pipeline disposing trachea 28 is reserved in right gate pier 1.2, and on the upstream sidewall of left gate pier 1.1 gate slot 3, reserve the caulking groove of installation sealing rod 1, the upstream sidewall of right gate pier 1.2 gate slot 3 reserves the caulking groove installing sealing rod 2 13, the bottom surface of plane gate 4 reserves the mounting groove installing seal plate 9；
2) wide with plane gate 4 by seal plate 9 length, seal plate 9 upstream face is concordant with plane gate 4 upstream face, seal plate 9 bottom surface is slightly higher than the requirement of plane gate 4 bottom surface, with bolt, seal plate 9 is fixed in the mounting groove bottom plane gate 4；
3) backplate 11 is installed in the caulking groove of left and right gate pier gate slot 3, makes the end face of backplate 11 and left and right gate pier 1.1,1.2 either flush, in the pipeline of left gate pier 1.1, penetrate trachea 1, in the pipeline of right gate pier 1.2, penetrate trachea 28；
4) sealing rod 1 is installed in the groove being made up of caulking groove and backplate 11 on left gate pier gate slot 3, the adapter first 19 of sealing rod 1 is connected with trachea 1, and sealing rod 2 13 is installed in the groove being made up of caulking groove and backplate 11 on right gate pier gate slot 3, after the pipe joint 2 20 of sealing rod 2 13 is connected with trachea 28, then trachea 1, trachea 28 are coupled with air supply system；
5) plane gate 4 is dropped to gate floor 2 end face along both sides gate slot 3, i.e. seal plate 9 is butted on gate floor 2 end face, in sealing rod 1, sealing rod 2 13, it is pressed into pressure-air through trachea 1, trachea 28 again by air supply system simultaneously, allow sealing rod 1, sealing rod 2 13 expand and prop up plane gate 4, treat that the upstream inpoundment of sluice reaches design water level, the stagnant water effect of test water-stop body；
6) releasing the air in sealing rod 1, sealing rod 2 13 again, sealing rod 1, sealing rod 2 13 unclamp plane gate 4 and bounce back in groove when the time comes；
7) plane gate 4 of slinging is opened sluice and is sluiced.The above-mentioned debugging to water-stop body reaches design when requiring, i.e. completes the installation of inflated type water gate water-stop body.
The effect of left and right gate pier 1.1,1.2 is to dispose gate slot 3, movable keying plane gate 4；The effect of gate floor 2 is supporting plane gate 4 and sluicing face；The effect of gate slot 3 is the track opening and closing plane gate 4；The effect of plane gate 4 is dash or controls discharge；The effect of roller 5 is the frictional resistance reducing and opening and closing plane gate 4；The effect of lifting rope 6 is lifting plane gate 4；The effect of trachea 1 is inflation or aerofluxus in sealing rod 1；The effect of trachea 28 is inflation or aerofluxus in sealing rod 2 13；The effect of seal plate 9 is for sealing between plane gate 4 and gate floor 2；The effect of through hole 10 is to increase the elasticity of seal plate 9 structure；The effect of backplate 11 is to dispose sealing rod 1 or sealing rod 2 13, guides when inflating deformation for sealing rod 1 or sealing rod 2 13；The effect of sealing rod 1 is for sealing between plane gate 4 and left gate pier 1.1 gate slot 3；The effect of sealing rod 2 13 is for sealing between plane gate 4 and right gate pier 1.2 gate slot 3；The effect of elastic bottom plate 14 is that sealing rod 1 or sealing rod 2 13 are bolted to backplate 11, and fixing left and right arc elastic side plate 15；The effect of left and right arc elastic side plate 15 is elastic deformable body；The effect of arc elastic top board 16 is elastic deformable body；The effect of round end fin 17 is sealing；The effect of end plate 18 is closure sealing rod 1, the two ends of sealing rod 2 13；The effect taking over first 19 is that trachea 1 is connected with sealing rod 1；The effect of pipe joint 2 20 is that trachea 28 is connected with sealing rod 2 13.
Claims (3)
- null1. the water-stop body of an inflated type sluice plane gate，It is characterized in that: include left gate pier、Right gate pier、Gate floor、Sealing rod one that structure is identical and sealing rod two、Plane gate and seal plate，Described gate floor bottom with left gate pier and right gate pier respectively is connected as a single entity，The medial wall of left gate pier and right gate pier has vertical gate slot，Trachea one and trachea two it is respectively equipped with in the gate slot of left and right sides，Described plane gate is slidably mounted in two gate slotes，It is provided with roller between plane gate and gate slot inwall，The sidewall of two gate slotes has caulking groove，It is separately installed with L-type backplate at described caulking groove，The end face of backplate is with left、The end face of right gate pier flushes，Described sealing rod one is installed in the groove surrounded by backplate and caulking groove on left gate pier，Described sealing rod two is installed in the groove surrounded by backplate and caulking groove on right gate pier，The bottom surface of described plane gate has mounting groove，Described seal plate is installed in mounting groove，Described sealing rod one and sealing rod two all include a left side、Right arc elastic side plate，Left、The rear side of right arc elastic side plate connects arc elastic top board，Left、The front side of right arc elastic side plate connects flexible base plate，Described elastic bottom plate、Left、Right arc elastic side plate and arc elastic top board constitute the inflatable chamber that cross section is Ω shape，Upper and lower side at inflatable chamber is respectively fixed with end plate，It is convex stupefied that lateral surface at arc elastic top board is provided with round end，The lateral surface of the convex stupefied contact plane gate of round end，It is respectively equipped with on the top of the left arc elastic side plate of sealing rod one and the right arc elastic side plate of sealing rod two that adapter is first and pipe joint two，Take over first and pipe joint two to be connected with trachea one and trachea two respectively，The end face of plane gate connects and has lifting rope.
- The water-stop body of a kind of inflated type sluice plane gate the most according to claim 1, it is characterized in that: described seal plate is rectangle hollow plate, lower part at seal plate has the through hole of level, and the two ends of through hole are blocked, the length of seal plate is equal with the width of described plane gate, seal plate upstream face is concordant with plane gate upstream face, and the bottom surface of seal plate is above the bottom surface of plane gate.
- 3. the installation method of the water-stop body of an inflated type sluice plane gate, it is characterised in that: comprise the following steps:1) when pouring the concrete of left and right gate pier, the pipeline disposing trachea one is reserved in left gate pier, the pipeline disposing trachea two is reserved in right gate pier, and on the upstream sidewall of left gate pier gate slot, reserve the caulking groove of installation sealing rod one, the upstream sidewall of right gate pier gate slot reserves the caulking groove installing sealing rod two, the bottom surface of plane gate reserves the mounting groove installing seal plate；2) wide with plane gate by seal plate length, seal plate upstream face is concordant with plane gate upstream face, seal plate bottom surface exceeds the requirement of plane gate bottom surface, with bolt, seal plate is fixed in the mounting groove bottom plane gate；3) backplate is installed in the caulking groove of left and right gate pier gate slot, makes the end face of backplate and left and right gate pier either flush, in the pipeline of left gate pier, penetrate trachea one, in the pipeline of right gate pier, penetrate trachea two；4) sealing rod one is installed in the groove being made up of caulking groove and backplate on left gate pier gate slot, it is connected with trachea one first for the adapter of sealing rod one, and sealing rod two is installed in the groove being made up of caulking groove and backplate on right gate pier gate slot, after the pipe joint two of sealing rod two is connected with trachea two, then trachea one, trachea two are coupled with air supply system；5) plane gate is dropped to gate floor end face along both sides gate slot, i.e. seal plate is butted on gate floor end face, in sealing rod one, sealing rod two, it is pressed into pressure-air through trachea one, trachea two again by air supply system simultaneously, sealing rod one, sealing rod two expansion is allowed to prop up plane gate, treat that the upstream inpoundment of sluice reaches design water level, the stagnant water effect of test water-stop body；6) releasing the air in sealing rod one, sealing rod two again, sealing rod one, sealing rod two unclamp plane gate and bounce back in groove when the time comes；7) plane gate of slinging is opened sluice and is sluiced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796377.2A CN104563066B (en) | 2014-12-18 | 2014-12-18 | The water-stop body of a kind of inflated type sluice plane gate and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796377.2A CN104563066B (en) | 2014-12-18 | 2014-12-18 | The water-stop body of a kind of inflated type sluice plane gate and installation method thereof |
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| Publication Number | Publication Date |
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| CN104563066A CN104563066A (en) | 2015-04-29 |
| CN104563066B true CN104563066B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410796377.2A Expired - Fee Related CN104563066B (en) | 2014-12-18 | 2014-12-18 | The water-stop body of a kind of inflated type sluice plane gate and installation method thereof |
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| CN105274972A (en) * | 2015-09-11 | 2016-01-27 | 合肥工业大学 | Air floatation type dam gate |
| CN107100141B (en) * | 2015-12-28 | 2018-12-28 | 宁波索思机械设计有限公司 | The manufacturing method of sluice hydraulic lock system |
| CN105603934A (en) * | 2015-12-28 | 2016-05-25 | 苏州多固工程设计有限公司 | Totally-closed water gate and use method thereof |
| CN106930245B (en) * | 2015-12-28 | 2018-12-21 | 绍兴柯桥江城纺织有限公司 | The application method of sluice with hydraulic lock |
| CN105544471B (en) * | 2015-12-28 | 2017-07-07 | 河南同泰建设工程有限公司 | A kind of sluice and its construction method with hydraulic lock |
| CN105421300A (en) * | 2015-12-28 | 2016-03-23 | 苏州多固工程设计有限公司 | Construction and use method for totally-closed sluice |
| CN106988280B (en) * | 2015-12-28 | 2019-01-29 | 苏州多固工程设计有限公司 | A kind of construction and application method of self-closed sluice |
| CN106906804B (en) * | 2015-12-28 | 2019-05-21 | 宿迁峰驰安防有限公司 | A kind of construction method of self-closed sluice |
| CN106638500A (en) * | 2016-12-29 | 2017-05-10 | 汪哲荪 | Water stopping ring of water-filling type drainage orifice plane gate and construction method thereof |
| CN107190719B (en) * | 2017-07-17 | 2019-09-27 | 汪哲荪 | The vertical two-fold gate and its operation method of embed-type vertical lift ship lock upstream lock head |
| CN107366263B (en) * | 2017-08-30 | 2019-05-17 | 国家电网公司 | A kind of gate of hydropower station and barrier gate method |
| CN110016889B (en) * | 2019-04-17 | 2021-01-15 | 李恒森 | Hydraulic engineering vertical water stop structure and construction method thereof |
| CN110904928B (en) * | 2019-11-23 | 2021-06-25 | 利辛县宝隆橡塑密封件有限责任公司 | Wear-resisting rubber and plastic sealing element for sluice |
| CN111042073A (en) * | 2019-12-02 | 2020-04-21 | 上海市水利工程设计研究院有限公司 | Rail empty box transverse moving moisture-proof gate structure |
| CN112160291A (en) * | 2020-08-24 | 2021-01-01 | 扬州市慧宇科技有限公司 | Complementary sealed water sluicegate |
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