CN116575410A - Opening and closing device, gate with opening and closing device and working method of gate - Google Patents
Opening and closing device, gate with opening and closing device and working method of gate Download PDFInfo
- Publication number
- CN116575410A CN116575410A CN202310863618.XA CN202310863618A CN116575410A CN 116575410 A CN116575410 A CN 116575410A CN 202310863618 A CN202310863618 A CN 202310863618A CN 116575410 A CN116575410 A CN 116575410A
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- Prior art keywords
- opening
- rod
- driving rod
- horizontal push
- water stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000007906 compression Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/40—Swinging or turning gates
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/04—Valves, slides, or the like; Arrangements therefor; Submerged sluice gates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention belongs to the technical field of plane gates, and particularly relates to an opening and closing device, a gate with the opening and closing device and a working method of the gate, wherein the opening and closing device comprises: the shell and the linkage mechanism are arranged on the shell, and the opening and closing mechanism is connected with the linkage mechanism; wherein the linkage includes: a drive rod and a horizontal push rod; the lower end part of the driving rod is suitable for protruding out of the lower end surface of the shell when not pressed, the opening and closing mechanism is connected with the outer end part of the horizontal push rod, and the other end of the horizontal push rod is connected with the rod body of the driving rod; the lower end part of the driving rod is suitable for retraction after being pressed, and drives the horizontal push rod to extend outwards so as to enable the water stopping rubber on the opening and closing mechanism to press the water stopping surface; and the driving rod is suitable for driving the horizontal push rod to retract when resetting, so that the water stop rubber on the opening and closing mechanism is separated from the water stop surface.
Description
Technical Field
The invention belongs to the technical field of planar gates, and particularly relates to an opening and closing device, a gate with the opening and closing device and a working method of the gate.
Background
The plane gate is a common device for controlling water flow on-off in water conservancy and hydropower engineering, and when the gate is closed, the sealing is realized by pressing a water stop surface on a gate pier through a water stop rubber on the gate.
The existing water-stopping rubber is attached to the water-stopping surface of the gate pier, and when the gate is opened and closed, the gate can rub against the water-stopping rubber, so that the water-stopping rubber is easy to wear and even tear, and water leakage of the gate is caused.
Therefore, it is necessary to design an opening and closing device, a gate with the opening and closing device and a working method of the gate, so as to solve the problem that the water stopping rubber is easy to wear in the opening and closing process of the gate.
Disclosure of Invention
The invention aims to provide an opening and closing device, a gate with the opening and closing device and a working method of the gate.
In order to solve the above technical problems, the present invention provides an opening and closing device, which includes:
the shell and the linkage mechanism are arranged on the shell, and the opening and closing mechanism is connected with the linkage mechanism; wherein the method comprises the steps of
The linkage mechanism comprises: a drive rod and a horizontal push rod;
the lower end part of the driving rod is suitable for protruding out of the lower end surface of the shell when not pressed, the opening and closing mechanism is connected with the outer end part of the horizontal push rod, and the other end of the horizontal push rod is connected with the rod body of the driving rod;
the lower end part of the driving rod is suitable for retraction after being pressed, and drives the horizontal push rod to extend outwards so as to enable the water stopping rubber on the opening and closing mechanism to press the water stopping surface; and
the driving rod is suitable for driving the horizontal push rod to retract when resetting, so that the water stop rubber on the opening and closing mechanism is separated from the water stop surface.
In yet another aspect, the present invention also provides a gate with an opening and closing apparatus as described above, comprising:
a gate body; and
an opening and closing device; wherein the method comprises the steps of
The hinge block and the shell in the opening and closing device are fixedly arranged on the side wall of the gate body;
the lower end part of the driving rod in the opening and closing device is suitable for protruding the lower end surface of the gate body when the gate body is opened.
In a third aspect, the present invention also provides a method for operating a gate as described above, comprising:
the hinge block and the shell of the opening and closing device are fixedly arranged on the side wall of the gate body;
the lower end part of the driving rod is suitable for protruding the lower end surface of the gate body when the gate body is opened;
when the gate body is closed, the lower end part of the driving rod is pressed to drive the mounting strip to rotate, so that the water stopping rubber on the mounting strip is pressed against the water stopping surface; and
when the gate body is opened, the lower end part of the driving rod is reset to drive the mounting bar to rotate, so that the water stop rubber on the mounting bar is separated from the water stop surface.
The invention has the beneficial effects that when the driving rod of the linkage mechanism is not pressed, the lower end part of the driving rod protrudes out of the shell, so that when the driving rod is pressed, the opening and closing mechanism is driven to rotate, the water stop rubber on the opening and closing mechanism gradually approaches the water stop surface until the driving rod is pressed to the corresponding position, and then the water stop rubber is pressed against the water stop surface; when the compression is released, the opening and closing mechanism resets and rotates, so that the water stop rubber is separated from the water stop surface; compared with the prior art that the water stop rubber is fixedly arranged on the water stop surface, the water stop rubber on the opening and closing mechanism can be automatically separated from and tightly pressed against the water stop surface in the mode of adopting the embodiment, so that friction is avoided, and the service life of the water stop rubber is prolonged.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing an opened state of the opening and closing apparatus of the present invention when used on a gate;
FIG. 2 is a schematic view showing a closed state structure of the opening and closing apparatus of the present invention when used on a gate;
FIG. 3 is a schematic top view of the opening and closing apparatus of the present invention in an open state for use on a gate;
fig. 4 is a schematic top view of the opening and closing device of the present invention in a closed state when used on a gate.
In the figure:
1. a housing; 2. a linkage mechanism; 21. a driving rod; 22. a horizontal push rod; 23. a return spring; 24. a connecting rod; 3. an opening and closing mechanism; 31. a water stop rubber; 32. a mounting bar; 33. a hinge block; 4. a gate body; 5. a bottom plate; 6. stopping water.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the present embodiment provides an opening and closing device, which includes: the device comprises a shell 1, a linkage mechanism 2 arranged on the shell 1 and an opening and closing mechanism 3 connected with the linkage mechanism 2; wherein the linkage mechanism 2 comprises: a driving lever 21 and a horizontal push lever 22; the lower end part of the driving rod 21 is suitable for protruding the lower end surface of the shell 1 when not pressed, the opening and closing mechanism 3 is connected with the outer end part of the horizontal push rod 22, and the other end of the horizontal push rod 22 is connected with the rod body of the driving rod 21; the lower end part of the driving rod 21 is suitable for retraction after being pressed, and drives the horizontal push rod 22 to extend outwards, so that the water stop rubber 31 on the opening and closing mechanism 3 is pressed against the water stop surface 6; and the driving rod 21 is suitable for driving the horizontal push rod 22 to retract when resetting, so that the water stop rubber 31 on the opening and closing mechanism 3 is separated from the water stop surface 6.
In this embodiment, when the driving rod 21 of the linkage mechanism 2 is not pressed, the lower end part of the driving rod protrudes out of the housing 1, so that when the driving rod is pressed, the opening and closing mechanism 3 is driven to rotate, the water stop rubber 31 on the opening and closing mechanism 3 gradually approaches the water stop surface 6 until the driving rod 21 is pressed to the corresponding position, and then the water stop rubber 31 presses the water stop surface 6; when the compression is released, the opening and closing mechanism 3 resets and rotates, so that the water stop rubber 31 is separated from the water stop surface 6; compared with the prior art that the water stop rubber 31 is fixedly arranged on the water stop surface 6, the water stop rubber 31 on the opening and closing mechanism 3 can be automatically separated from and tightly pressed against the water stop surface 6 in the mode of the embodiment, so that friction is avoided, and the service life of the water stop rubber is prolonged.
In this embodiment, the linkage mechanism 2 further includes: a return spring 23; the driving rod 21 vertically penetrates through the shell 1, the reset spring 23 is sleeved at the upper end part of the driving rod 21, and two ends of the reset spring respectively prop against the shell 1 and the driving rod 21; the drive rod 21 is adapted to compress the return spring 23 after the lower end portion is pressed; and the return spring 23 is adapted to return the drive rod 21 after it is released from compression.
In this embodiment, alternatively, the shaft of the driving lever 21 is provided with a boss on which the return spring 23 is dropped; when the driving rod 21 is not pressed, the boss plays a limiting role, and abuts against the shell 1, so that the driving rod 21 is limited in the shell 1.
In this embodiment, the linkage mechanism 2 further includes: a connecting rod 24; wherein the horizontal push rod 22 is connected with the rod body of the driving rod 21 through a connecting rod 24; when the driving rod 21 is not pressed, the connecting rod 24 is in an inclined state, and the hinge point of the connecting rod 24 and the driving rod 21 is positioned below the horizontal push rod 22.
In this embodiment, the horizontal push rod 22 is horizontally disposed on the housing 1, and can only move forward and backward (i.e. translate left and right in the drawing), when the lower end of the driving rod 21 is stressed, the driving rod 21 moves upward relative to the housing 1, and drives the connecting rod 24 to transition to a horizontal state, so that the horizontal push rod 22 extends outwards, and pushes the water stop rubber 31 on the opening and closing mechanism 3 to press the water stop surface 6; the water stop rubber 31 of the opening and closing mechanism 3 can only prop against the water stop surface 6 when the compression is completed, and can not contact with the water stop surface 6 in the compression and separation processes, so that friction loss is reduced.
As shown in fig. 3 and 4, in the present embodiment, the opening and closing mechanism 3 includes: a mounting bar 32 and a hinge block 33; wherein the water stop rubber 31 is matched with the water stop surface 6; the hinge block 33 and the shell 1 are fixedly arranged on a mounting plate, one end of the mounting bar 32 is hinged with the hinge block 33, and the other end is hinged with the horizontal push rod 22; when the lower end part of the driving rod 21 is pressed, the horizontal push rod 22 pushes the mounting bar 32 to rotate so as to drive the water stop rubber 31 on the mounting bar 32 to press the water stop surface 6; and when the driving rod 21 is reset, the horizontal push rod 22 pulls the mounting bar 32 to rotate so as to drive the water stop rubber 31 on the mounting bar 32 to be separated from the water stop surface 6.
The embodiment also provides a gate with the opening and closing device, which comprises: a gate body 4; an opening and closing device; wherein the hinge block 33 and the shell 1 in the opening and closing device are fixedly arranged on the side wall of the gate body 4; the lower end portion of the driving rod 21 in the opening and closing device is adapted to protrude from the lower end surface of the shutter body 4 when the shutter body 4 is opened.
The specific structure and implementation process of the opening and closing device are referred to the related discussion in the above embodiments, and are not repeated here.
In this embodiment, the opening and closing device is specifically used on a planar gate, so that the hinge block 33 and the housing 1 of the opening and closing device are both fixedly arranged on the side wall of the gate body 4, that is, the lower end portion of the driving rod 21 protrudes out of the lower end surface of the gate body 4 when the gate body 4 is in an open state, therefore, in the process of closing the gate body 4 downwards, the gate drives the driving rod 21 to move downwards until the driving rod 21 abuts against the bottom plate 5, at this time, the gate body 4 continues to be closed downwards, that is, the driving rod 21 moves upwards relative to the gate body 4, the housing 1 and the horizontal push rod 22, drives the horizontal push rod 22 to extend outwards to push the mounting strip 32 to rotate, so that the water stop rubber 31 compresses the water stop surface 6, and in the process of opening the gate body 4 upwards, the driving rod 21 resets and moves due to the reset spring 23 to drive the water stop rubber 31 to separate from the water stop surface 6.
The embodiment also provides a working method of the gate, which comprises the following steps: the hinge block 33 of the opening and closing device and the shell 1 are fixedly arranged on the side wall of the gate body 4; the lower end portion of the driving lever 21 is adapted to protrude from the lower end surface of the shutter body 4 when the shutter body 4 is opened; when the gate body 4 is closed, the lower end part of the driving rod 21 is pressed to drive the mounting bar 32 to rotate, so that the water stop rubber 31 on the mounting bar 32 presses the water stop surface 6; and when the gate body 4 is opened, the lower end part of the driving rod 21 is reset to drive the mounting strip 32 to rotate, so that the water stop rubber 31 on the mounting strip 32 is separated from the water stop surface 6.
For the specific structure and implementation of the gate, reference is made to the related discussion in the above embodiments, and details are not repeated here.
In summary, when the driving rod 21 of the linkage mechanism 2 of the opening and closing device is not pressed, the lower end portion of the driving rod protrudes out of the housing 1, so that when the driving rod is pressed, the opening and closing mechanism 3 is driven to rotate, the water stop rubber 31 on the opening and closing mechanism 3 gradually approaches the water stop surface 6 until the driving rod 21 is pressed to the corresponding position, and then the water stop rubber 31 presses the water stop surface 6; when the compression is released, the opening and closing mechanism 3 resets and rotates, so that the water stop rubber 31 is separated from the water stop surface 6; compared with the prior art that the water stop rubber 31 is fixedly arranged on the water stop surface 6, the water stop rubber 31 on the opening and closing mechanism 3 can be automatically separated from and tightly pressed against the water stop surface 6 in the mode of the embodiment, so that friction is avoided, and the service life of the water stop rubber is prolonged.
In the description of embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. An opening and closing apparatus, comprising:
the shell and the linkage mechanism are arranged on the shell, and the opening and closing mechanism is connected with the linkage mechanism; wherein the method comprises the steps of
The linkage mechanism comprises: a drive rod and a horizontal push rod;
the lower end part of the driving rod is suitable for protruding out of the lower end surface of the shell when not pressed, the opening and closing mechanism is connected with the outer end part of the horizontal push rod, and the other end of the horizontal push rod is connected with the rod body of the driving rod;
the lower end part of the driving rod is suitable for retraction after being pressed, and drives the horizontal push rod to extend outwards so as to enable the water stopping rubber on the opening and closing mechanism to press the water stopping surface; and
the driving rod is suitable for driving the horizontal push rod to retract when resetting, so that the water stop rubber on the opening and closing mechanism is separated from the water stop surface.
2. The opening and closing apparatus according to claim 1, wherein,
the linkage mechanism further includes: a return spring; wherein the method comprises the steps of
The driving rod vertically penetrates through the shell, the reset spring is sleeved at the upper end part of the driving rod, and two ends of the reset spring respectively support against the shell and the driving rod;
the driving rod is suitable for compressing the return spring after the lower end part is pressed; and
the reset spring is suitable for driving the driving rod to reset after the driving rod is released from being pressed.
3. The opening and closing apparatus according to claim 2, wherein,
the linkage mechanism further includes: a connecting rod; wherein the method comprises the steps of
The horizontal push rod is connected with the rod body of the driving rod through a connecting rod;
when the driving rod is not pressed, the connecting rod is in an inclined state, and the hinging point of the connecting rod and the driving rod is positioned below the horizontal push rod.
4. An opening and closing apparatus according to claim 3, wherein,
the opening and closing mechanism includes: a mounting bar and a hinge block; wherein the method comprises the steps of
The hinge block and the shell are fixedly arranged on the mounting plate, one end of the mounting bar is hinged with the hinge block, and the other end of the mounting bar is hinged with the horizontal push rod;
when the lower end part of the driving rod is pressed, the horizontal push rod pushes the mounting bar to rotate so as to drive the water stopping rubber on the mounting bar to press the water stopping surface; and
when the driving rod is reset, the horizontal push rod pulls the mounting bar to rotate so as to drive the water stop rubber on the mounting bar to be separated from the water stop surface.
5. A gate with an opening and closing device as claimed in claim 4, comprising:
a gate body; and
an opening and closing device; wherein the method comprises the steps of
The hinge block and the shell in the opening and closing device are fixedly arranged on the side wall of the gate body;
the lower end part of the driving rod in the opening and closing device is suitable for protruding the lower end surface of the gate body when the gate body is opened.
6. A method of operating a gate as defined in claim 5, comprising:
the hinge block and the shell of the opening and closing device are fixedly arranged on the side wall of the gate body;
the lower end part of the driving rod is suitable for protruding the lower end surface of the gate body when the gate body is opened;
when the gate body is closed, the lower end part of the driving rod is pressed to drive the mounting strip to rotate, so that the water stopping rubber on the mounting strip is pressed against the water stopping surface; and
when the gate body is opened, the lower end part of the driving rod is reset to drive the mounting bar to rotate, so that the water stop rubber on the mounting bar is separated from the water stop surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310863618.XA CN116575410A (en) | 2023-07-14 | 2023-07-14 | Opening and closing device, gate with opening and closing device and working method of gate |
| CN202322751015.9U CN220908319U (en) | 2023-07-14 | 2023-10-13 | Opening and closing device and gate with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310863618.XA CN116575410A (en) | 2023-07-14 | 2023-07-14 | Opening and closing device, gate with opening and closing device and working method of gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116575410A true CN116575410A (en) | 2023-08-11 |
Family
ID=87540046
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310863618.XA Pending CN116575410A (en) | 2023-07-14 | 2023-07-14 | Opening and closing device, gate with opening and closing device and working method of gate |
| CN202322751015.9U Active CN220908319U (en) | 2023-07-14 | 2023-10-13 | Opening and closing device and gate with same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322751015.9U Active CN220908319U (en) | 2023-07-14 | 2023-10-13 | Opening and closing device and gate with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN116575410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780961A (en) * | 2024-02-28 | 2024-03-29 | 常州市武进第一水利机械有限公司 | Rotary sealing gate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649643Y (en) * | 2003-07-17 | 2004-10-20 | 李键 | Automatic telescopic sealing-up device |
| CN204151759U (en) * | 2014-10-21 | 2015-02-11 | 中船钢构工程股份有限公司 | A kind of telescopic pair of Rubber water stop device of large flat gate |
| CN205617334U (en) * | 2016-03-24 | 2016-10-05 | 广东恒源建设工程有限公司 | Water gate sealing device |
| CN107503328A (en) * | 2017-09-25 | 2017-12-22 | 芜湖市银鸿液压件有限公司 | A kind of road junction lock bidirectional pushing mechanism |
| CN211555726U (en) * | 2020-03-11 | 2020-09-22 | 安徽英驰电气科技有限公司 | Interlocking mechanism and high-voltage switch cabinet thereof |
-
2023
- 2023-07-14 CN CN202310863618.XA patent/CN116575410A/en active Pending
- 2023-10-13 CN CN202322751015.9U patent/CN220908319U/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649643Y (en) * | 2003-07-17 | 2004-10-20 | 李键 | Automatic telescopic sealing-up device |
| CN204151759U (en) * | 2014-10-21 | 2015-02-11 | 中船钢构工程股份有限公司 | A kind of telescopic pair of Rubber water stop device of large flat gate |
| CN205617334U (en) * | 2016-03-24 | 2016-10-05 | 广东恒源建设工程有限公司 | Water gate sealing device |
| CN107503328A (en) * | 2017-09-25 | 2017-12-22 | 芜湖市银鸿液压件有限公司 | A kind of road junction lock bidirectional pushing mechanism |
| CN211555726U (en) * | 2020-03-11 | 2020-09-22 | 安徽英驰电气科技有限公司 | Interlocking mechanism and high-voltage switch cabinet thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780961A (en) * | 2024-02-28 | 2024-03-29 | 常州市武进第一水利机械有限公司 | Rotary sealing gate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN220908319U (en) | 2024-05-07 |
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Application publication date: 20230811 |