CN112176958A - Flood discharge gate with adjustable hydraulic engineering uses - Google Patents

Flood discharge gate with adjustable hydraulic engineering uses Download PDF

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Publication number
CN112176958A
CN112176958A CN202011111882.0A CN202011111882A CN112176958A CN 112176958 A CN112176958 A CN 112176958A CN 202011111882 A CN202011111882 A CN 202011111882A CN 112176958 A CN112176958 A CN 112176958A
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CN
China
Prior art keywords
plate
gate
flashboard
bottom plate
groove
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
Application number
CN202011111882.0A
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Chinese (zh)
Inventor
李志龙
李冰
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Hunan Jiunai Environmental Protection Technology Development Co ltd
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Hunan Jiunai Environmental Protection Technology Development Co ltd
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 Hunan Jiunai Environmental Protection Technology Development Co ltd filed Critical Hunan Jiunai Environmental Protection Technology Development Co ltd
Priority to CN202011111882.0A priority Critical patent/CN112176958A/en
Publication of CN112176958A publication Critical patent/CN112176958A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/26Vertical-lift gates
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/54Sealings for gates

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Barrages (AREA)

Abstract

The invention relates to an adjustable flood discharge gate for hydraulic engineering, which comprises a mounting frame and a gate plate, wherein slide blocks are arranged on two sides of the gate plate, the slide blocks are in sliding fit with guide grooves formed in the mounting frame, and a lifting driving assembly is further arranged on the mounting frame and connected with the gate plate; the bottom of mounting bracket is provided with the kerve, the inboard slidable mounting of kerve has the bottom plate, the bottom plate orientation one side of flashboard is run through the kerve, the both sides of mounting bracket still are provided with interior caulking groove, the inboard slidable of interior caulking groove has the pressure strip, the pressure strip still through the linkage subassembly with the bottom plate is connected. Through the control that opens and shuts of the relative mounting bracket of lift actuating mechanism drive flashboard that sets up, and when the flashboard moved towards the bottom plate and produced the extrusion force to the bottom plate, the bottom plate downstream to drive the pressure strip that sets up in the mounting bracket both sides through the linkage subassembly and move towards the flashboard, thereby improve the leakproofness after the flashboard was closed.

Description

Flood discharge gate with adjustable hydraulic engineering uses
Technical Field
The invention relates to the related technical field of hydraulic engineering, in particular to an adjustable flood discharge gate for hydraulic engineering.
Background
Flood discharge is the discharge of flood water. Because the continuous heavy rainfall causes the reservoir to exceed the water level, in order to avoid water flood overflow or serious disasters caused by collapse of reservoir dams and dams, equipment for draining water to a downstream flood discharge area after opening a gate is often used during bridge construction. In hydraulic engineering, the gate is used for driving the movable door body to open and close through the operating equipment, so that the purposes of flood discharge and water retaining are achieved, and the gate is key equipment for finally realizing the preset function of engineering construction.
However, in the conventional gate, the gate plate is generally matched with the sliding groove to realize sliding movement of the gate plate, and after the gate plate is used for a long time, abrasion is generated between the gate plate and the sliding groove, so that the problem of poor sealing performance is easily caused.
Disclosure of Invention
The invention aims to provide an adjustable flood discharge gate for hydraulic engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the adjustable flood discharge gate for the hydraulic engineering comprises a mounting frame and a gate plate, wherein sliding blocks are arranged on two sides of the gate plate and are in sliding fit with guide grooves formed in the mounting frame, and a lifting driving assembly is further arranged on the mounting frame and is connected with the gate plate and used for controlling the gate plate to move so as to realize opening and closing of the gate;
the bottom of the mounting frame is provided with a bottom groove, a bottom plate is slidably mounted on the inner side of the bottom groove and is connected with the bottom groove through at least two second springs, one side of the bottom plate, facing the flashboard, penetrates through the bottom groove, inner embedded grooves are further formed in two sides of the mounting frame, a pressing plate slides in the inner sides of the inner embedded grooves and is connected with the inner embedded grooves through first springs, the pressing plate is further connected with the bottom plate through a linkage assembly, and when the flashboard moves towards the bottom plate to extrude the bottom plate, the pressing plate moves towards the flashboard through the linkage assembly;
the inboard of flashboard is provided with movable chamber, movable chamber is connected with the regulating plate through sliding assembly, the regulating plate is connected with adjustment mechanism, be provided with the second through-hole on the regulating plate, be provided with first through-hole on the flashboard, drive regulating plate motion when adjustment mechanism moves so that first through-hole and second through-hole coincidence or stagger.
As a further scheme of the invention: the linkage assembly comprises a second wedge block fixed on the pressing plate and a first wedge block fixed on the bottom plate, and the first wedge block is matched with the second wedge block.
As a still further scheme of the invention: at least two guide sleeves are fixed on the flashboard, and guide rods fixed with the mounting rack are inserted into the inner sides of the guide sleeves.
As a still further scheme of the invention: the slider is the trapezium structure setting, the pressure strip orientation one side of flashboard is provided with the recess that is the trapezium structure setting, works as when pressure strip and flashboard contact, the slider card is put in the recess.
As a still further scheme of the invention: the lifting driving mechanism comprises a first threaded rod which is rotatably connected with the flashboard and penetrates through the mounting frame, and a first threaded sleeve which is fixed on the mounting frame and is in threaded connection with the first threaded rod;
still install including rotating on the mounting bracket and through spacing subassembly with first threaded rod sliding fit's drive sleeve, drive sleeve passes through bevel gear group and installs the output shaft of the motor on the mounting bracket rotates and is connected.
As a still further scheme of the invention: the limiting assembly comprises at least one limiting block fixed on the inner wall of the driving sleeve and a limiting groove arranged on the first threaded rod and matched with the limiting block in a sliding mode.
As a still further scheme of the invention: adjustment mechanism is including fixing second threaded sleeve in the activity intracavity and with second threaded sleeve threaded connection's second threaded rod, the one end of second threaded rod with the regulating plate rotates to be connected, and the other end runs through the logical groove that sets up on the first threaded rod and be fixed with the carousel.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the opening and closing control of the flashboard relative to the mounting frame is driven by the arranged lifting driving mechanism, when the flashboard moves towards the bottom plate and generates extrusion force on the bottom plate, the bottom plate moves downwards, and the pressing plates arranged on two sides of the mounting frame are driven by the linkage assembly to move towards the flashboard, so that the sealing property of the flashboard after being closed is improved, the friction force between the flashboard and the mounting frame in the moving process can be effectively reduced, the adjusting plate can be driven to move by the arranged adjusting mechanism, so that the first through hole and the second through hole are overlapped or staggered, and different flood discharge requirements are met, and the practicability is strong.
Drawings
Fig. 1 is a schematic structural view of an adjustable flood discharge gate for hydraulic engineering.
Fig. 2 is a schematic structural view of a pressing plate in an adjustable flood discharge gate for hydraulic engineering.
Fig. 3 is a schematic structural view of a gate plate in an adjustable flood gate for hydraulic engineering.
Fig. 4 is an enlarged view of a structure at a in fig. 1.
Fig. 5 is a cross-sectional view of a gate plate of an adjustable floodgate for hydraulic engineering.
In the figure: the device comprises a mounting frame, a guide groove 2, a guide groove 3, an embedded groove 4, a first spring 5, a pressing plate 6, a sliding block 7, a gate plate 8, a bottom groove 8, a second spring 9, a bottom plate 10, a guide sleeve 11, a guide rod 12, a first threaded rod 13, a first threaded sleeve 14, a driving sleeve 15, a rotary table 16, a bevel gear set 17, a motor 18, a first through hole 19, a first wedge block 20, a second wedge block 21, an adjusting plate 22, a movable cavity 23, a second threaded sleeve 24, a second threaded rod 25, a second through hole 26 and a sliding assembly 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 5, in the embodiment of the present invention, the adjustable flood discharge gate for hydraulic engineering includes an installation frame 1 and a gate plate 7, wherein sliding blocks 6 are disposed on two sides of the gate plate 7, the sliding blocks 6 are in sliding fit with guide grooves 2 disposed on the installation frame 1, and a lifting driving assembly is further disposed on the installation frame 1, and is connected to the gate plate 7, and is configured to control the movement of the gate plate 7 to realize opening and closing of the gate; the bottom of the mounting frame 1 is provided with a bottom groove 8, a bottom plate 10 is slidably mounted on the inner side of the bottom groove 8, the bottom plate 10 is connected with the bottom groove 8 through at least two second springs 9, one side of the bottom plate 10, facing the flashboard 7, penetrates through the bottom groove 8, inner embedded grooves 3 are further formed in two sides of the mounting frame 1, a pressing plate 5 slides in the inner side of each inner embedded groove 3, the pressing plate 5 is connected with the inner embedded grooves 3 through first springs 4, the pressing plate 5 is further connected with the bottom plate 10 through a linkage assembly, and when the flashboard 7 moves towards the bottom plate 10 to extrude the bottom plate 10, the pressing plate 5 moves towards the flashboard 7 through the linkage assembly; the inboard of flashboard 7 is provided with movable chamber 23, movable chamber 23 is connected with regulating plate 22 through slip subassembly 27, regulating plate 22 is connected with adjustment mechanism, be provided with second through-hole 26 on the regulating plate 22, be provided with first through-hole 19 on the flashboard 7, drive regulating plate 22 when adjustment mechanism moves and move so that first through-hole 19 and second through-hole 26 coincide or stagger.
In the embodiment of the invention, the opening and closing control of the flashboard 7 relative to the mounting frame 1 is driven by the arranged lifting driving mechanism, when the flashboard 7 moves towards the bottom board 10 and generates extrusion force on the bottom board 10, the bottom board 10 moves downwards, and the pressing boards 5 arranged on two sides of the mounting frame 1 are driven by the linkage assembly to move towards the flashboard 7, so that the sealing performance of the flashboard 7 after being closed is improved, the friction force between the flashboard 7 and the mounting frame 1 in the moving process can be effectively reduced, the adjusting board 22 can be driven to move by the arranged adjusting mechanism, the first through hole 19 and the second through hole 26 are overlapped or staggered, different flood discharge requirements are met, and the practicability is high.
In the embodiment of the present invention, it can be understood that when the gate is closed, the second spring 9 is in a compressed state, the first spring 4 is in a pulled state, when the gate 7 moves upward under the action of the lifting driving assembly, the bottom plate 10 moves towards the gate 7 under the action of the second spring 9, and the pressing plate 5 moves away from the gate 7 under the action of the first spring 4.
As an embodiment of the present invention, the linkage assembly includes a second wedge block 21 fixed on the pressing plate 5 and a first wedge block 20 fixed on the bottom plate 10, and the first wedge block 20 is adapted to the second wedge block 21.
In the embodiment of the invention, the first wedge-shaped block 20 and the second wedge-shaped block 21 are arranged to cooperate, so that the first wedge-shaped block 20 is driven to move when the bottom plate 10 moves, and the compression plate 5 is driven to move through the action of the second wedge-shaped block 21.
In an embodiment of the present invention, at least two guide sleeves 11 are fixed on the shutter 7, and a guide rod 12 fixed to the mounting bracket 1 is inserted into an inner side of the guide sleeve 11.
In the embodiment of the invention, the guide rod 12 is arranged to be in sliding fit with the guide sleeve 11 so as to realize vertical movement when the shutter 7 moves, and the shutter 7 can be effectively prevented from being deviated in the movement process.
As an embodiment of the present invention, the sliding block 6 is arranged in a trapezoid structure, a groove arranged in a trapezoid structure is arranged on a side of the pressing plate 5 facing the shutter 7, and when the pressing plate 5 contacts the shutter 7, the sliding block 6 is clamped in the groove.
In the embodiment of the invention, it can be understood that the sliding block 6 is in sliding fit with the sliding chute 2, so that one side of the sliding chute 2 facing the embedded groove 3 is communicated with the inner side of the embedded groove 3, the inner side of the sliding chute 2 is also in a trapezoidal structure, and the pressing plate 5 is provided with the groove, so that when the flashboard 7 moves downwards to the bottom, the pressing plate 5 is clamped on the sliding block 6, the flashboard 7 is fixed, and the sealing of two sides of the flashboard 7 can be realized, so as to improve the waterproof effect.
As an embodiment of the present invention, the lifting driving mechanism includes a first threaded rod 13 rotatably connected to the shutter 7 and penetrating through the mounting bracket 1, and a first threaded sleeve 14 fixed to the mounting bracket 1 and threadedly connected to the first threaded rod 13;
still including rotating and installing on mounting bracket 1 and through spacing subassembly with first threaded rod 13 sliding fit's drive sleeve 15, drive sleeve 15 through bevel gear set 17 with install the output shaft of motor 18 on mounting bracket 1 rotates and is connected.
In the embodiment of the present invention, a motor 18 is provided to drive the driving sleeve 15 to rotate through the bevel gear set 17, and when the driving sleeve 15 rotates, the first threaded rod 13 is driven to rotate through the limiting component, and at this time, the first threaded rod 13 performs a vertical position change under the action of the first threaded sleeve 14, so as to drive the shutter 7 to move.
In the embodiment of the present invention, the motor 18 is a forward and reverse rotation motor, and a 4I K/80 yyyjt model motor is adopted, which has stable performance, and other models of motors can be adopted as long as the driving requirements are met, which is not specifically limited in this application.
In the embodiment of the present invention, the bevel gear set 17 is composed of two bevel gears perpendicular to each other and engaged with each other, and functions to transmit the force in a turning manner, wherein the transmission ratio of the bevel gear set 17 is not specifically limited in this application and can be selected according to the requirement.
As an embodiment of the present invention, the limiting component includes at least one limiting block fixed on the inner wall of the driving sleeve 15 and a limiting groove disposed on the first threaded rod 13 and slidably engaged with the limiting block.
In the embodiment of the invention, the limiting blocks are arranged to be in sliding fit with the limiting grooves, so that the driving sleeve 15 does not influence the axial movement of the first threaded rod 13 along the first threaded sleeve 14 while driving the first threaded rod 13 to rotate.
As an embodiment of the present invention, the adjusting mechanism includes a second threaded sleeve 24 fixed in the movable cavity 23 and a second threaded rod 25 in threaded connection with the second threaded sleeve 24, one end of the second threaded rod 25 is rotatably connected with the adjusting plate 22, and the other end of the second threaded rod 25 penetrates through a through groove formed in the first threaded rod 13 and is fixed with a rotary plate 16.
In the embodiment of the present invention, the second threaded rod 25 is driven by the rotary disk 16 to rotate, and the vertical position of the second threaded rod 25 is changed by the second threaded sleeve 24, so as to drive the adjusting plate 22 to perform position adjustment in the movable cavity 23.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 (7)

1. The adjustable flood discharge gate for the hydraulic engineering is characterized by comprising a mounting frame (1) and gate plates (7), wherein sliding blocks (6) are arranged on two sides of each gate plate (7), each sliding block (6) is in sliding fit with a guide groove (2) formed in the mounting frame (1), and a lifting driving assembly is further arranged on the mounting frame (1) and connected with the gate plates (7) and used for controlling the gate plates (7) to move so as to realize opening and closing of the gate;
the bottom of the mounting rack (1) is provided with a bottom groove (8), the inner side of the bottom groove (8) is slidably provided with a bottom plate (10), the bottom plate (10) is connected with the bottom groove (8) through at least two second springs (9), one side of the bottom plate (10) facing the flashboard (7) penetrates through the bottom groove (8), inner embedded grooves (3) are further formed in two sides of the mounting rack (1), a pressing plate (5) slides in the inner side of each inner embedded groove (3), the pressing plate (5) is connected with the inner embedded grooves (3) through first springs (4), the pressing plate (5) is further connected with the bottom plate (10) through a linkage assembly, and when the flashboard (7) moves towards the bottom plate (10) to extrude the bottom plate (10), the pressing plate (5) moves towards the flashboard (7) through the linkage assembly;
the inboard of flashboard (7) is provided with movable chamber (23), movable chamber (23) are connected with regulating plate (22) through slip subassembly (27), regulating plate (22) are connected with adjustment mechanism, be provided with second through-hole (26) on regulating plate (22), be provided with first through-hole (19) on flashboard (7), when adjustment mechanism moves, drive regulating plate (22) move so that first through-hole (19) and second through-hole (26) coincide or stagger.
2. The adjustable floodgate for hydraulic engineering according to claim 1, wherein the linkage assembly comprises a second wedge-shaped block (21) fixed on the pressing plate (5) and a first wedge-shaped block (20) fixed on the bottom plate (10), and the first wedge-shaped block (20) is adapted to the second wedge-shaped block (21).
3. The adjustable floodgate for hydraulic engineering according to claim 1, wherein at least two guiding sleeves (11) are fixed on the gate plate (7), and guiding rods (12) fixed with the mounting frame (1) are inserted into the guiding sleeves (11).
4. The adjustable flood discharge gate for water conservancy projects according to claim 1, wherein the sliding block (6) is arranged in a trapezoid structure, a groove arranged in a trapezoid structure is arranged on one side, facing the gate plate (7), of the pressing plate (5), and when the pressing plate (5) is in contact with the gate plate (7), the sliding block (6) is clamped in the groove.
5. The adjustable floodgate for hydraulic engineering according to claim 1, wherein the lifting driving mechanism comprises a first threaded rod (13) rotatably connected with the gate (7) and penetrating through the mounting frame (1), and a first threaded sleeve (14) fixed on the mounting frame (1) and in threaded connection with the first threaded rod (13);
still install including rotating on mounting bracket (1) and through spacing subassembly with first threaded rod (13) sliding fit's drive sleeve (15), drive sleeve (15) through bevel gear group (17) with install the output shaft swivelling joint of motor (18) on mounting bracket (1).
6. The adjustable flood discharge gate for water conservancy projects according to claim 5, wherein the limiting assembly comprises at least one limiting block fixed on the inner wall of the driving sleeve (15) and a limiting groove arranged on the first threaded rod (13) and matched with the limiting block in a sliding manner.
7. The adjustable floodgate for hydraulic engineering according to claim 5, wherein the adjusting mechanism comprises a second threaded sleeve (24) fixed in the movable cavity (23) and a second threaded rod (25) in threaded connection with the second threaded sleeve (24), one end of the second threaded rod (25) is rotatably connected with the adjusting plate (22), and the other end of the second threaded rod penetrates through a through groove formed in the first threaded rod (13) and is fixed with a rotary disc (16).
CN202011111882.0A 2020-10-16 2020-10-16 Flood discharge gate with adjustable hydraulic engineering uses Pending CN112176958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011111882.0A CN112176958A (en) 2020-10-16 2020-10-16 Flood discharge gate with adjustable hydraulic engineering uses

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Application Number Priority Date Filing Date Title
CN202011111882.0A CN112176958A (en) 2020-10-16 2020-10-16 Flood discharge gate with adjustable hydraulic engineering uses

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CN112176958A true CN112176958A (en) 2021-01-05

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CN202011111882.0A Pending CN112176958A (en) 2020-10-16 2020-10-16 Flood discharge gate with adjustable hydraulic engineering uses

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115559278A (en) * 2022-12-05 2023-01-03 黑龙江省水利科学研究院 Lifting valve for water right distribution of irrigation water users and distribution method

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100965115B1 (en) * 2009-05-25 2010-06-23 김인중 Floodgate
CN109051912A (en) * 2018-07-11 2018-12-21 薛杰怀 A kind of compound blowing self-locking device and its self-locking method
CN208633074U (en) * 2018-06-19 2019-03-22 甘肃水务节水科技发展有限责任公司 A kind of hydraulic engineering environment-friendly type self gravity sealing type gate mechanism
CN209277918U (en) * 2018-10-29 2019-08-20 成都四海岩土工程有限公司 A kind of novel anchor rod spiral time quarter drilling tool
CN110318376A (en) * 2019-07-12 2019-10-11 焦新建 A kind of hydraulic engineering valve system
CN110700197A (en) * 2019-10-23 2020-01-17 许昌义 Porous gate
CN210177465U (en) * 2019-06-12 2020-03-24 李鹏 Flood discharge gate for hydraulic engineering
CN210177464U (en) * 2019-11-09 2020-03-24 江苏润源新时水务工程有限公司 High-strength wear-resistant corrosion-resistant plane sliding steel gate
CN210232312U (en) * 2019-06-03 2020-04-03 徐州聚正机械有限公司 Machine tool fixture with multi-shape clamping
CN210368875U (en) * 2019-08-06 2020-04-21 孙兵山 Environment-friendly dead weight sealed gate mechanism for hydraulic engineering
CN210482231U (en) * 2019-07-05 2020-05-08 封德宏 Multi-functional flashboard for hydraulic engineering
CN210516149U (en) * 2019-12-06 2020-05-12 湖南工学院 Indoor display device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100965115B1 (en) * 2009-05-25 2010-06-23 김인중 Floodgate
CN208633074U (en) * 2018-06-19 2019-03-22 甘肃水务节水科技发展有限责任公司 A kind of hydraulic engineering environment-friendly type self gravity sealing type gate mechanism
CN109051912A (en) * 2018-07-11 2018-12-21 薛杰怀 A kind of compound blowing self-locking device and its self-locking method
CN209277918U (en) * 2018-10-29 2019-08-20 成都四海岩土工程有限公司 A kind of novel anchor rod spiral time quarter drilling tool
CN210232312U (en) * 2019-06-03 2020-04-03 徐州聚正机械有限公司 Machine tool fixture with multi-shape clamping
CN210177465U (en) * 2019-06-12 2020-03-24 李鹏 Flood discharge gate for hydraulic engineering
CN210482231U (en) * 2019-07-05 2020-05-08 封德宏 Multi-functional flashboard for hydraulic engineering
CN110318376A (en) * 2019-07-12 2019-10-11 焦新建 A kind of hydraulic engineering valve system
CN210368875U (en) * 2019-08-06 2020-04-21 孙兵山 Environment-friendly dead weight sealed gate mechanism for hydraulic engineering
CN110700197A (en) * 2019-10-23 2020-01-17 许昌义 Porous gate
CN210177464U (en) * 2019-11-09 2020-03-24 江苏润源新时水务工程有限公司 High-strength wear-resistant corrosion-resistant plane sliding steel gate
CN210516149U (en) * 2019-12-06 2020-05-12 湖南工学院 Indoor display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115559278A (en) * 2022-12-05 2023-01-03 黑龙江省水利科学研究院 Lifting valve for water right distribution of irrigation water users and distribution method

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