CN211735287U - Bidirectional water stopping structure of channel plane gate - Google Patents

Bidirectional water stopping structure of channel plane gate Download PDF

Info

Publication number
CN211735287U
CN211735287U CN201922417908.3U CN201922417908U CN211735287U CN 211735287 U CN211735287 U CN 211735287U CN 201922417908 U CN201922417908 U CN 201922417908U CN 211735287 U CN211735287 U CN 211735287U
Authority
CN
China
Prior art keywords
head
panel
adhesive tape
gate
shaped adhesive
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.)
Active
Application number
CN201922417908.3U
Other languages
Chinese (zh)
Inventor
谢涛
李云峰
陶光慧
杨松
谢晨希
王德丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Survey and Design Research Institute for Water Resources and Hydropower
Original Assignee
Guizhou Survey and Design Research Institute for Water Resources and Hydropower
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guizhou Survey and Design Research Institute for Water Resources and Hydropower filed Critical Guizhou Survey and Design Research Institute for Water Resources and Hydropower
Priority to CN201922417908.3U priority Critical patent/CN211735287U/en
Application granted granted Critical
Publication of CN211735287U publication Critical patent/CN211735287U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Barrages (AREA)

Abstract

The utility model discloses a bidirectional water stop structure of a channel plane gate, which comprises door slots arranged at two sides of an outlet of an inverted siphon, wherein a door lintel is arranged between the door slots at two sides of the outlet of the inverted siphon; the back surface of the door head is provided with a door head seat plate; a gate which slides up and down is arranged in the gate slot, and a panel is arranged on the upstream surface of the gate; two side edges of the gate are provided with a side water stopping component and a group of side wheel components; the bottom edge of the panel is provided with a bottom water stopping component; the top edge of the panel adopts a bidirectional water stopping structure; the bidirectional water stopping structure comprises an upper water stopping component fixed on the top edge of the panel and a lower water stopping component fixed on the door head seat plate; the upper and lower water stopping assemblies have the same structural size. The utility model discloses wholly arrange simple reasonable, a floodgate door stagnant water realizes two kinds of operating modes, can realize improving the siphon water level and can realize overhauing the siphon function again, has effectively solved the engineering actual problem.

Description

Bidirectional water stopping structure of channel plane gate
Technical Field
The utility model relates to a two-way stagnant water structure of channel plane gate belongs to hydraulic and hydroelectric engineering water conservancy project metallic structure technical field.
Background
Because irrigated area along the journey head loss great or be equipped with the pump station before the inlet of falling the siphon and need set up the sluice through falling the siphon exit, locally open and block the outlet of falling the siphon and improve the inlet water level of falling the siphon, increase water pressure. In addition, when the inverted siphon is overhauled, the sluice should descend the sluice to intercept the downstream water level. Therefore, the sluice should satisfy two kinds of operating condition of improvement water pressure manger plate and the inverted siphon overhauls manger plate. The water gate has the two-way water retaining function by being used as a working gate when the water pressure water retaining function is improved and being used as an overhauling gate when the water retaining is overhauled, and the key is to judge whether the two-way water retaining can be realized by the water gate. The existing gate water stopping structure generally only meets the one-way water stopping function under a single working condition and cannot meet the two-way water stopping function. Therefore, the prior art has shortcomings and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two-way stagnant water structure of channel plane gate makes it have two-way manger plate function to satisfy and improve water pressure retaining and fall two kinds of operating condition of siphon maintenance manger plate, thereby overcome the not enough of prior art existence.
The utility model discloses specific embodiment does:
the utility model relates to a bidirectional water stop structure of a channel plane gate, which comprises door slots arranged at two sides of an outlet of an inverted siphon, wherein a door lintel is arranged between the door slots at two sides of the outlet of the inverted siphon; the back surface of the door head is provided with a door head seat plate; a gate which slides up and down is arranged in the gate slot, and a panel is arranged on the upstream surface of the gate; two side edges of the gate are provided with a side water stopping component and a group of side wheel components; the bottom edge of the panel is provided with a bottom water stopping component; the top edge of the panel adopts a bidirectional water stopping structure; the bidirectional water stopping structure comprises an upper water stopping component fixed on the top edge of the panel and a lower water stopping component fixed on the door head seat plate; the upper and lower water stopping assemblies have the same structural size.
In the two-way water stopping structure of the plane gate, the upper water stopping assembly comprises a round-head P-shaped adhesive tape, and the round head of the round-head P-shaped adhesive tape is downward and protrudes towards the door head direction to be pressed with a top water stopping seat plate on the door head seat plate; a base plate is arranged between the round-head P-shaped adhesive tape and the panel; a top water stop baffle is arranged at the top end of the round-head P-shaped adhesive tape; the baffle is welded with the panel, and the round-head P-shaped adhesive tape is fixedly connected with the top edge of the panel through a group of bolt pairs through the pressing plate.
In the two-way water stopping structure of the plane gate, the lower water stopping assembly comprises a round-head P-shaped adhesive tape, and the round head of the round-head P-shaped adhesive tape protrudes downwards and towards the panel direction to be tightly pressed with the panel; a base plate is arranged between the round-head P-shaped rubber strip and the door head seat plate; a baffle is arranged at the top end of the round-head P-shaped adhesive tape; the baffle is welded with the door lintel seat plate, and the round-head P-shaped adhesive tape is fixedly connected with the door lintel seat plate through the pressing plate by a group of bolt pairs.
In the two-way water stopping structure of the plane gate, the bottom water stopping component comprises a flat rubber strip, and a bottom water stopping baffle is arranged at the top end of the flat rubber strip; the flat rubber strip is fixedly connected with the bottom edge of the panel through a group of bolt pairs through a bottom water stop pressing plate.
In the two-way water stopping structure of the plane gate, the side water stopping assembly comprises a square-head P-shaped adhesive tape, and the square head of the square-head P-shaped adhesive tape faces the gate slot and protrudes towards the panel; a side water stop backing plate is arranged between the square-head P-shaped adhesive tape and the back water surface of the panel; the tail end of the square-head P-shaped adhesive tape is provided with a side water stop baffle; the side water stop baffle is welded with the back water surface of the panel, and the square-head P-shaped adhesive tape is fixedly connected with the back water surface of the panel through a group of bolt pairs through the side water stop pressure plate; the top surface of the square-head P-shaped adhesive tape is tightly pressed with the side water stop seat plate in the door slot.
In the bidirectional water stopping structure of the plane gate, the side wheel assembly is fixedly connected with two side surfaces of the gate through the bolt pair.
In the two-way water stopping structure of the plane gate, the edges of two sides of the upstream surface and the back surface of the gate are respectively provided with a sliding block.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has simple and reasonable overall arrangement, and realizes two working conditions by stopping water through one gate; the water level of the inverted siphon is improved by blocking the outlet of the inverted siphon when the plane gate is partially opened through the top water stopping assembly and the side water stopping structure; the upper water stopping assembly and the lower water stopping assembly in the top water stopping structure have the same structure, so that interchange can be realized, and disordered field installation is avoided; the inverted siphon overhaul function is realized through the bottom water stop component and the side water stop component.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a plan view of the present invention.
Description of reference numerals:
the device comprises a 1-inverted siphon outlet, a 2-door groove, a 3-door lintel, a 4-door lintel seat plate, a 5-gate, a 6-panel, a 7-side water stopping component, an 8-side wheel component, a 9-bottom water stopping component, a 10-upper water stopping component, a 11-lower water stopping component, a 12-round head P-shaped adhesive tape, a 13-top water stopping seat plate, a 14-base plate, a 15-baffle, a 16-pressing plate, a 17-bolt pair, a 18-flat adhesive tape, a 19-bottom water stopping baffle, a 20-bottom water stopping pressing plate, a 21-square head P-shaped adhesive tape, a 22-side water stopping base plate, a 23-side water stopping baffle, a 24-side water stopping pressing plate, a 25-side water stopping seat plate and a 26-slider.
Detailed Description
The invention will be further described with reference to the drawings in the following examples.
The utility model relates to a two-way water stop structure of a channel plane gate, which comprises gate slots 2 arranged at two sides of an inverted siphon outlet 1, and a gate header 3 is arranged between the gate slots 2 at two sides of the inverted siphon outlet 1, as shown in figures 1 and 2; a door lintel seat plate 4 is arranged on the back surface of the door lintel 3; a gate 5 which slides up and down is arranged in the gate slot 2, and a panel 6 is arranged on the upstream surface of the gate 5; two side edges of the gate 5 are provided with a side water stopping component 7 and a group of side wheel components 8; the bottom edge of the panel 6 is provided with a bottom water stop component 9; the top edge of the panel 6 adopts a bidirectional water stop structure; the bidirectional water stopping structure comprises an upper water stopping component 10 fixed on the top edge of the panel 6 and a lower water stopping component 11 fixed on the door lintel seat plate 4; the upper and lower water stopping assemblies have the same structural size. The upper water stopping assembly 10 comprises a round-head P-shaped adhesive tape 12, and the round head of the round-head P-shaped adhesive tape 12 protrudes downwards and towards the door head 3 and is tightly pressed with a top water stopping seat plate 13 on the door head seat plate 4; a backing plate 14 is arranged between the round head P-shaped adhesive tape 12 and the panel 6; a top water stop baffle 15 is arranged at the top end of the round head P-shaped adhesive tape 12; the baffle 15 is welded with the panel 6, and the round-head P-shaped adhesive tape 12 is fixedly connected with the top edge of the panel 6 through a group of bolt pairs 17 by a pressure plate 16. The lower water stopping assembly 11 comprises a round-head P-shaped adhesive tape 12, and the round head of the round-head P-shaped adhesive tape 12 protrudes downwards and towards the panel 6 to be tightly pressed with the panel 6; a backing plate 14 is arranged between the round-head P-shaped adhesive tape 12 and the door lintel seat plate 4; a baffle 15 is arranged at the top end of the round-head P-shaped adhesive tape 12; the baffle 15 is welded with the lintel seat plate 4, and the round-head P-shaped adhesive tape 12 is fixedly connected with the lintel seat plate 4 through the pressing plate 16 by a group of bolt pairs 17. The bottom water stopping assembly 9 comprises a flat rubber strip 18, and a bottom water stopping baffle 19 is arranged at the top end of the flat rubber strip 18; the flat rubber strip 18 is fixedly connected with the bottom edge of the panel 6 through a bottom water pressure stop plate 20 by a group of bolt pairs 17. The side water stopping assembly 7 comprises a square-head P-shaped adhesive tape 21, and the square head of the square-head P-shaped adhesive tape 21 faces the door groove and protrudes towards the panel 6; a side water stop backing plate 22 is arranged between the square-head P-shaped adhesive tape 21 and the back water surface of the panel 6; the tail end of the square-head P-shaped adhesive tape 21 is provided with a side water stop baffle 23; the side water stop baffle 23 is welded with the back water surface of the panel 6, and the square-head P-shaped adhesive tape 21 is fixedly connected with the back water surface of the panel 6 through the side water stop pressing plate 24 through a group of bolt pairs 17; the top surface of the square-head P-shaped rubber strip 21 is tightly pressed with the side water stop seat plate 25 in the door slot 2. The side wheel assembly 8 is fixedly connected with two side surfaces of the gate 5 through a bolt pair 17. Slide blocks 26 are arranged on the edges of the two sides of the upstream surface and the downstream surface of the gate 5.
The specific implementation process of the utility model is as shown in fig. 1 and fig. 2, the two-way water stop structure of the channel plane gate of the utility model comprises an upper water stop component 10 and a lower water stop component 11 which are composed of a round head P-shaped adhesive tape 12, a top water stop seat plate 13, a backing plate 14, a baffle 15, a pressure plate 16 and a bolt pair 17, wherein the two top water stop structures have the same size and are interchangeable; the bottom water seal assembly 9 is composed of a flat rubber strip 18, a bottom water stop baffle 19, a bottom water stop pressure plate 20 and a bolt pair 17; and a side water seal assembly 7 which is composed of a square-head P-shaped rubber strip 21, a side water stop backing plate 22, a side water stop baffle plate 23, a side water stop pressing plate 24, a side water stop seat plate 25 and a bolt pair 17. The bidirectional water retaining function of the gate 5 is realized through the interaction of the top water stop structure, the side water seal component 7 and the bottom water seal component 9.
A base plate 14, a round-head P-shaped adhesive tape 12 and a pressing plate 16 in the lower water stopping assembly 11 are sequentially matched and butted; the upper end of the round-head P-shaped adhesive tape 12 is in close contact with the baffle 15, the baffle 15 is welded with the lintel seat plate 4, and the base plate 14, the round-head P-shaped adhesive tape 12 and the pressing plate 16 are firmly connected with the lintel seat plate 4 through a group of bolt pairs 17. The round head of the round head P-shaped adhesive tape 12 is arranged downwards, the round head of the round head P-shaped adhesive tape 12 is adjusted to be in close contact with the upstream surface of the panel 6 on the gate 5, and the round head pre-compression amount of the round head P-shaped adhesive tape 12 is 2-4 mm. The door lintel seat plate 4 is embedded together with the concrete forming the door lintel 3, and the concrete of the door lintel 3 is firmly connected with the first-stage concrete through the lacing wires. The sliding blocks 26 are welded on two side edges of the gate 5 in a matching way and are arranged in the gate slot 2 together with the gate 5. The concrete of the lintel 3, the gate gutter 2 and the gate 5 are all implemented according to the specifications relating to hydraulic metal construction and will not be described in detail here.
A base plate 14, a round-head P-shaped adhesive tape 12 and a pressing plate 16 in the upper water stop assembly 10 are sequentially matched and butted; the upper end of the round-head P-shaped adhesive tape 12 is in close contact with the baffle 15, the baffle 15 is welded with the panel 6, and the backing plate 14, the round-head P-shaped adhesive tape 12 and the pressing plate 16 are firmly connected with the panel 6 through a group of bolt pairs 17. The round head of the round head P-shaped adhesive tape 12 is arranged downwards, the round head of the round head P-shaped adhesive tape 12 is adjusted to be in close contact with a top water stop seat plate 13 welded on the door lintel seat plate 4, and the round head pre-compression amount of the round head P-shaped adhesive tape 12 is 2-4 mm.
The flat rubber strip 18 and the bottom water stop pressure plate 20 in the bottom water seal assembly 9 are sequentially matched and butted, one end of the flat rubber strip 18 is in close contact with the bottom water stop block 19, the bottom water stop block 19 is welded with the panel 6, the flat rubber strip 18 and the bottom water stop pressure plate 20 are firmly connected with the panel 6 through the bolt pair 17, and the bottom edge of the panel 6 on the bottom surface of the flat rubber strip 18 is about 3-5 mm.
The side water stop pressing plate 24, the square-head P-type adhesive tape 21 and the side water stop backing plate 22 in the side water stop assembly 7 are sequentially matched and butted, the tail end of the square-head P-type adhesive tape 21 is tightly contacted with the side water stop baffle 23, the side water stop baffle 23 is welded with the back water surface of the panel 6, the side water stop pressing plate 24, the square-head P-type adhesive tape 21 and the side water stop backing plate 22 are firmly connected with the back water surface of the panel 6 through a bolt pair 17, one end of the square head of the square-head P-type adhesive tape 21 is ensured to be aligned with the water facing surface of the panel 6, the square head of the square-head P-type adhesive tape 21 is tightly contacted with the side water stop seat plate 25 positioned at the bottom; for the excessive compression of square head P type adhesive tape 21 in the protection side stagnant water subassembly 7, the gate 5 side is equipped with side wheel subassembly 8 and carries on spacingly, and side wheel subassembly 8 accessible "metallic structure side wheel lectotype device" carries out the lectotype and matches, and the no longer repeated description here.
When the round-head P-shaped adhesive tape 12 in the upper water stopping component 10 is lapped with the end part of the square-head P-shaped adhesive tape 21 in the side water stopping component 7, the gluing is reliable by adopting a raw adhesive hot pressing method; when the flat rubber strip 18 in the bottom water seal assembly 9 is lapped with the end part of the square-head P-shaped rubber strip 21 in the side water stop assembly 7, the gluing is reliable by adopting a raw rubber hot pressing method. The green rubber hot pressing method is a mature technology in engineering technology and is not described herein again.
The utility model discloses theory of operation under two kinds of operating modes of channel plane gate two-way stagnant water structure: the utility model discloses a structure mainly applies to the export of falling the siphon and connects channel department. When the water pressure of an inlet of the inverted siphon pipe is small or a pump station is arranged to increase the water level, the related opening and closing equipment partially opens the plane gate, under the hydraulic impact, two water stopping assemblies arranged on the top water stopping structure prevent water leakage in the process of partially opening the gate to cause water stopping rubber tearing or cause the gate to shake and other adverse effects, and lateral water stopping is realized through the lateral water stopping assemblies to realize the pressurization function; when the inverted siphon needs to be overhauled, the related opening and closing equipment closes the plane gate, and the downstream water level is blocked through the bottom water stopping structure and the side water stopping structure, so that the water retaining overhauling function is realized.
The utility model discloses a two-way stagnant water structure of channel plane gate is applied to the export of certain hydro-junction engineering channel siphon, and the siphon outlet width of falling is 2.5m, highly is 3.1m, and the design flood peak is 8m, according to design operating mode and actual investigation research, and the plane gate that is required also requires it to realize two-way manger plate as the maintenance gate as the work gate, so adopts the utility model discloses a two-way stagnant water structure.
The implementation can be carried out by the person skilled in the art by means of the above description. Of course, the present invention has other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation are included in the scope of the present invention.

Claims (7)

1. The utility model provides a two-way stagnant water structure of channel plane gate, is including establishing gate slot (2) of locating both sides at inverted siphon export (1), its characterized in that: a door lintel (3) is arranged between the door slots (2) at the two sides of the inverted siphon outlet (1); a door lintel seat plate (4) is arranged on the back surface of the door lintel (3); a gate (5) which slides up and down is arranged in the gate slot (2), and a panel (6) is arranged on the upstream surface of the gate (5); two side edges of the gate (5) are provided with a side water stopping component (7) and a group of side wheel components (8); a bottom water stop component (9) is arranged at the bottom edge of the panel (6); the top edge of the panel (6) adopts a bidirectional water stop structure; the bidirectional water stopping structure comprises an upper water stopping component (10) fixed on the top edge of the panel (6) and a lower water stopping component (11) fixed on the lintel seat plate (4); the upper and lower water stopping assemblies have the same structural size.
2. The bidirectional water stop structure of a channel plane gate as claimed in claim 1, wherein: the upper water stopping assembly (10) comprises a round-head P-shaped adhesive tape (12), and the round head of the round-head P-shaped adhesive tape (12) protrudes downwards and towards the door head (3) and is tightly pressed with a top water stopping seat plate (13) on the door head seat plate (4); a backing plate (14) is arranged between the round-head P-shaped adhesive tape (12) and the panel (6); a top water stop baffle (15) is arranged at the top end of the round-head P-shaped adhesive tape (12); the baffle (15) is welded with the panel (6), and the round-head P-shaped adhesive tape (12) is fixedly connected with the top edge of the panel (6) through a group of bolt pairs (17) by a pressure plate (16).
3. The bidirectional water stop structure of a channel plane gate as claimed in claim 1, wherein: the lower water stopping assembly (11) comprises a round-head P-shaped adhesive tape (12), and the round head of the round-head P-shaped adhesive tape (12) protrudes downwards and towards the panel (6) to be tightly pressed with the panel (6); a backing plate (14) is arranged between the round-head P-shaped adhesive tape (12) and the door lintel seat plate (4); a baffle (15) is arranged at the top end of the round-head P-shaped adhesive tape (12); the baffle (15) is welded with the lintel seat plate (4), and the round-head P-shaped adhesive tape (12) is fixedly connected with the lintel seat plate (4) through the pressing plate (16) by a group of bolt pairs (17).
4. The bidirectional water stop structure of a channel plane gate as claimed in claim 1, wherein: the bottom water stopping assembly (9) comprises a flat rubber strip (18), and a bottom water stopping baffle (19) is arranged at the top end of the flat rubber strip (18); the flat rubber strip (18) is fixedly connected with the bottom edge of the panel (6) through a bottom water pressure stop plate (20) by a group of bolt pairs (17).
5. The bidirectional water stop structure of a channel plane gate as claimed in claim 1, wherein: the side water stopping assembly (7) comprises a square-head P-shaped adhesive tape (21), and the square head of the square-head P-shaped adhesive tape (21) faces the door groove and protrudes towards the panel (6); a side water stop backing plate (22) is arranged between the square-head P-shaped adhesive tape (21) and the back water surface of the panel (6); the tail end of the square-head P-shaped adhesive tape (21) is provided with a side water stop baffle (23); the side water stop baffle (23) is welded with the back water surface of the panel (6), and the square-head P-shaped adhesive tape (21) is fixedly connected with the back water surface of the panel (6) through a side water stop pressing plate (24) through a group of bolt pairs (17); the top surface of the square-head P-shaped adhesive tape (21) is tightly pressed with the side water stop seat plate (25) in the door slot (2).
6. The channel plane gate bidirectional water stop structure of claim 5, wherein: and the side wheel assembly (8) is fixedly connected with two side surfaces of the gate (5) through a bolt pair (17).
7. The bidirectional water stop structure of a channel plane gate as claimed in claim 1, wherein: and sliding blocks (26) are arranged on the edges of the two sides of the upstream surface and the downstream surface of the gate (5).
CN201922417908.3U 2019-12-27 2019-12-27 Bidirectional water stopping structure of channel plane gate Active CN211735287U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922417908.3U CN211735287U (en) 2019-12-27 2019-12-27 Bidirectional water stopping structure of channel plane gate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922417908.3U CN211735287U (en) 2019-12-27 2019-12-27 Bidirectional water stopping structure of channel plane gate

Publications (1)

Publication Number Publication Date
CN211735287U true CN211735287U (en) 2020-10-23

Family

ID=72871880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922417908.3U Active CN211735287U (en) 2019-12-27 2019-12-27 Bidirectional water stopping structure of channel plane gate

Country Status (1)

Country Link
CN (1) CN211735287U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110984082A (en) * 2019-12-27 2020-04-10 贵州省水利水电勘测设计研究院 Bidirectional water stopping structure of channel plane gate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110984082A (en) * 2019-12-27 2020-04-10 贵州省水利水电勘测设计研究院 Bidirectional water stopping structure of channel plane gate
CN110984082B (en) * 2019-12-27 2024-05-03 贵州省水利水电勘测设计研究院 Bidirectional water stopping structure of channel plane gate

Similar Documents

Publication Publication Date Title
CN211735287U (en) Bidirectional water stopping structure of channel plane gate
CN106086387A (en) A kind of five metals sheet material Re-stress device
CN110984082B (en) Bidirectional water stopping structure of channel plane gate
CN211898215U (en) Water retaining structure of inverted siphon outlet
CN209307982U (en) A kind of bulkhead gate for tail water cooler
CN210216340U (en) Plane gate system
CN209099322U (en) A kind of compound gate of light-weighted environment-friendly type
CN2371226Y (en) Steel gate water stopping device
CN213926145U (en) Supply water pump house steel gate with high-efficient sealing performance
CN209538141U (en) A kind of planer sliding type bulkhead gate structure
CN219886709U (en) Self-sealing movable sluice gate applied to paddy field drainage and irrigation port
CN2417200Y (en) Aluminium alloy folding beam type gate
CN216379424U (en) Cast iron gate not easy to wear
CN109537540A (en) A kind of planer sliding type bulkhead gate structure
CN2517780Y (en) Rigid watertight gate
CN201486510U (en) Full/half dual-purpose single gate disc blowout preventer
CN205442352U (en) Lift -cabin door link plate and anticreep pothook thereof
CN220202613U (en) Wave wall structure with water blocking door
CN218148178U (en) Prevention of seepage stagnant water structure among hydraulic and hydroelectric engineering
CN219410761U (en) Open top type radial gate with self-overflow top
CN109403279B (en) Movable door slot
CN207727523U (en) A kind of casting iron backwater gate of the reversed antipriming of lintel ground sill band
CN214441856U (en) Safety device for rolling mill convenient to adjust
CN213083163U (en) Dual-drive car stopping device for auxiliary inclined shaft
CN213120244U (en) Side cover for air cooler

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 550002 No.27 Baoshan South Road, Nanming District, Guiyang City, Guizhou Province

Patentee after: Guizhou water conservancy and Hydropower Survey, design and Research Institute Co.,Ltd.

Address before: 550002 No.27 Baoshan South Road, Nanming District, Guiyang City, Guizhou Province

Patentee before: GUIZHOU SURVEY & DESIGN Research Institute FOR WATER RESOURCES AND HYDROPOWER

CP01 Change in the name or title of a patent holder