CN219470984U - Bridge underwater construction cofferdam sealing device - Google Patents
Bridge underwater construction cofferdam sealing device Download PDFInfo
- Publication number
- CN219470984U CN219470984U CN202320587686.3U CN202320587686U CN219470984U CN 219470984 U CN219470984 U CN 219470984U CN 202320587686 U CN202320587686 U CN 202320587686U CN 219470984 U CN219470984 U CN 219470984U
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- arc
- limiting
- sealing strip
- baffle
- sliding block
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model is suitable for the technical field of water stopping devices, and provides a water stopping device for a cofferdam for bridge underwater construction, which comprises the following components: the base arc baffle plates are provided with a plurality of arc baffle plates which are uniformly distributed along the circumference; the connecting arc baffles are provided with a plurality of base arc baffles which are respectively connected with two adjacent base arc baffles in a sliding way; the limiting arc sliding block is fixed at two ends of the connecting arc baffle, the outer diameter of the limiting arc sliding block is larger than that of the connecting arc baffle, and the limiting arc sliding block is in sliding connection with the basic arc baffle; the sealing mechanism comprises a concave protective shell and a sealing strip, the concave protective shell is fixed on the inner side of the basic arc baffle, and the sealing strip is positioned in the accommodating groove and is abutted against the side wall of the limiting arc sliding block; the supporting mechanism is arranged in the concave protective shell and is used for supporting the sealing strip; the side limit mechanism is arranged in the concave protective shell and used for limiting the two sides of the sealing strip; the adjusting mechanism is used for adjusting the telescopic length of the supporting mechanism; the utility model has good water retaining and sealing effects.
Description
Technical Field
The utility model belongs to the technical field of water stopping devices, and particularly relates to a water stopping device for a cofferdam for bridge underwater construction.
Background
The cofferdam is a temporary enclosure structure built for building a permanent hydraulic facility in hydraulic engineering construction. The water and soil are prevented from entering the building construction position, so that water is drained in the cofferdam, a foundation pit is excavated, and the building is constructed. Typically used mainly in hydraulic construction, cofferdams are typically removed after use, except as part of the main building. The height of the weirs is higher than the highest water level that may occur during the construction period.
The prior art discloses a bridge construction cofferdam device, including the base, evenly distributed's spacing groove has been seted up to the base inner wall, still includes: the fixed clamping rod is detachably connected to the top wall of the base; the cofferdam body is connected to the inner wall of the fixed clamping rod in a sliding way, the cofferdam body is fixedly connected with a fixed column, and the fixed column is matched with the limit groove; and the bottom fixing part is connected to the inner wall of the base in a sliding way and is matched with the fixing column. In this application, rely on gravity to press in cofferdam body self to connect the fastener and slide inside the base during the installation, lock the fixed column, and then reach the fixed purpose to the cofferdam, need not other operations and can accomplish holistic equipment, be convenient for install and dismantle, fixed effectual, the practicality is strong.
The prior art has the defect that the flowing water has fluidity, and the structure is easy to be impacted, so that the cofferdam is inclined and unstable in structure.
Disclosure of Invention
The embodiment of the utility model aims to provide a water stopping device for a cofferdam constructed in bridge water, and aims to solve the problems in the background technology.
The embodiment of the utility model is realized in such a way that the water stop device of the cofferdam for the bridge underwater construction comprises:
the base arc baffle plates are uniformly distributed in circumference, the top is fixedly connected with hanging rings, and the bottom is fixedly connected with conical fixed inserted bars;
the connecting arc baffles are provided with a plurality of base arc baffles which are respectively connected with two adjacent base arc baffles in a sliding way;
the limiting arc sliding block is fixed at two ends of the connecting arc baffle, the outer diameter of the limiting arc sliding block is larger than that of the connecting arc baffle, and the limiting arc sliding block is in sliding connection with the basic arc baffle;
the sealing mechanism comprises a concave protective shell and a sealing strip, wherein the basic arc baffle is provided with a containing groove communicated with the limiting arc sliding block, the containing groove is communicated with the concave protective shell, the concave protective shell is fixed on the inner side of the basic arc baffle, and the sealing strip is positioned in the containing groove and is abutted to the side wall of the limiting arc sliding block;
the supporting mechanism is arranged in the concave protective shell and is used for supporting the sealing strip;
the side limit mechanism is arranged in the concave protective shell and used for limiting the two sides of the sealing strip; and the adjusting mechanism is used for adjusting the telescopic length of the supporting mechanism.
Preferably, the support mechanism includes:
the arc-shaped mounting seat is abutted against the sealing strip;
one end of the first connecting rod is fixedly connected with the arc-shaped mounting seat, and the other end of the first connecting rod is fixedly connected with a limit sliding block with the outer diameter larger than that of the first connecting rod;
the mounting shell is in sliding connection with the first connecting rod and the limit sliding block and is fixedly connected with the inner wall of the concave protecting shell; and
and the two ends of the elastic piece are fixedly connected with the inner wall of the installation shell and the limit sliding block respectively.
Preferably, the side limit mechanism includes:
one end of the second connecting rod is fixedly connected with the inner wall of the concave protective shell;
one end of the limiting baffle is hinged with the second connecting rod, and the other end of the limiting baffle is abutted against the side wall of the sealing strip; and
the two ends of the torsion spring are respectively fixed with the second connecting rod and the limit baffle, and are positioned on one side of the limit baffle away from the sealing strip.
Preferably, the adjusting mechanism includes:
the rotating sleeve is rotatably arranged on the concave protective shell;
one end of the screw rod is in threaded connection with the rotating sleeve;
the inclined wedge seat is fixedly connected with one end of the screw rod, which is far away from the rotating sleeve, is in sliding connection with the mounting shell, and the inclined wedge surface is abutted to the limiting slide block; and
the driving assembly is used for driving the rotating sleeve to rotate;
the driving assembly is connected with a limiting assembly which limits the rotation of the driving assembly.
Preferably, the driving assembly comprises a prismatic rod which is in sliding connection with the rotating sleeve, and the prismatic rod is fixedly connected with the rotating disc.
Preferably, the limiting assembly comprises:
one end of the third connecting rod is fixedly connected with one end of the prismatic rod positioned in the rotating sleeve; and
the nested rod is fixed at one end of the third connecting rod far away from the prismatic rod;
the screw is provided with a clamping groove matched with the nesting rod.
Compared with the prior art, the utility model has the beneficial effects that: through setting up basic circular arc baffle, connect circular arc baffle, spacing circular arc slider, spill protecting crust, the sealing strip, supporting mechanism, side stop gear and adjustment mechanism, when using, put down four basic circular arc baffle evenly distributed through rings, insert it in the soil through the fixed inserted bar of basic circular arc baffle bottom, then drive spacing circular arc slider through connecting circular arc baffle and insert in the basic circular arc baffle, assemble four basic circular arc baffles, then the length of adjustment mechanism adjusts supporting mechanism through the adjustment mechanism, supporting mechanism supports the sealing strip, make spill protecting crust butt seal in spacing circular arc slider, limit the both sides of sealing strip through side stop gear, avoid the sealing strip to break away from supporting mechanism, accomplish the equipment, block outside water, finally through basic circular arc baffle, connect the inside water of circular arc baffle and take out can the construction, and is easy and convenient to operate.
Drawings
FIG. 1 is a schematic structural view of a water stop device for a cofferdam constructed in water in a bridge according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram of a driving assembly in a water stop device of a cofferdam for bridge underwater construction provided by the embodiment of the utility model;
fig. 4 is a schematic perspective view of a sleeve rod in a water stop device of a cofferdam for bridge underwater construction, which is provided by the embodiment of the utility model.
In the accompanying drawings: 1-a basic arc baffle; 2-connecting an arc baffle; 3-limiting the arc sliding block; 4-a concave protective shell; 5, sealing strips; 6-an arc-shaped mounting seat; 7-a first connecting rod; 8-mounting a shell; 9-an elastic member; 10-turning sleeve; 11-screw; 12-a drive assembly; 13-a limit baffle; 14-a second connecting rod; 15-torsion springs; 16-prismatic bars; 17-a turntable; 18-a third connecting rod; 19-a nested rod; 20-clamping grooves; 21-an inclined wedge seat; 100-sealing mechanism; 200-supporting mechanisms; 300-side limit mechanism; 400-an adjusting mechanism; 500-limit assembly.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the present utility model, it should be understood that the terms "one end," "another end," "outer," "upper," "inner," "horizontal," "coaxial," "center," "end," "length," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify 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 utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "coupled," "connected," "plugged," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 and fig. 2, a schematic structural diagram of a water stop device for a cofferdam constructed in bridge water according to an embodiment of the present utility model includes:
the foundation arc baffle plates 1 are provided with a plurality of uniformly distributed circumferentially, the top is fixedly connected with hanging rings, and the bottom is fixedly connected with conical fixed inserted bars;
the connecting circular arc baffles 2 are provided with a plurality of base circular arc baffles 1 which are respectively connected with the adjacent two base circular arc baffles in a sliding way;
the limiting circular arc sliding blocks 3 are fixed at two ends of the connecting circular arc baffle plates 2, the outer diameter of each limiting circular arc sliding block is larger than that of the connecting circular arc baffle plates 2, and each limiting circular arc sliding block is in sliding connection with the base circular arc baffle plates 1;
the sealing mechanism 100 comprises a concave protective shell 4 and a sealing strip 5, wherein the basic arc baffle 1 is provided with a containing groove communicated with the limiting arc sliding block 3, the containing groove is communicated with the concave protective shell 4, the concave protective shell 4 is fixed on the inner side of the basic arc baffle 1, and the sealing strip 5 is positioned in the containing groove and is abutted against the side wall of the limiting arc sliding block 3;
the supporting mechanism 200 is arranged in the concave protective shell 4 and is used for supporting the sealing strip 5;
the side limit mechanisms 300 are arranged in the concave protective shell 4 and are used for limiting the two sides of the sealing strip 5; and
the adjusting mechanism 400 is used for adjusting the telescopic length of the supporting mechanism 200.
In the embodiment of the utility model, when the device is used, four basic arc baffles 1 are uniformly distributed and put down through hanging rings, the four basic arc baffles 1 are inserted into soil through fixed inserted bars at the bottoms of the basic arc baffles 1, then limiting arc sliding blocks 3 are driven to be inserted into the basic arc baffles 1 through connecting arc baffles 2, the four basic arc baffles 1 are assembled, then the length of a supporting mechanism 200 is regulated through an regulating mechanism 400, the supporting mechanism 200 supports sealing strips 5, a concave protective shell 4 is abutted against the limiting arc sliding blocks 3 to seal, the two sides of the sealing strips 5 are limited through side limiting mechanisms 300, the sealing strips 5 are prevented from being separated from the supporting mechanism 200 to finish assembly, external water is blocked, and finally construction can be performed by extracting the water inside the basic arc baffles 1 and the connecting arc baffles 2.
As shown in fig. 2, as a preferred embodiment of the present utility model, the support mechanism 200 includes:
the arc-shaped mounting seat 6 is abutted against the sealing strip 5;
one end of the first connecting rod 7 is fixedly connected with the arc-shaped mounting seat 6, and the other end of the first connecting rod is fixedly connected with a limit sliding block with the outer diameter larger than that of the first connecting rod;
the mounting shell 8 is in sliding connection with the first connecting rod 7 and the limit sliding block and is fixedly connected with the inner wall of the concave protecting shell 4; and
and two ends of the elastic piece 9 are fixedly connected with the inner wall of the installation shell 8 and the limit sliding block respectively.
In the embodiment of the utility model, when the device is used, the limiting slide block is driven to move through the adjusting mechanism 400, the limiting slide block drives the first connecting rod 7 to slide along the mounting shell 8, the first connecting rod 7 drives the arc-shaped mounting seat 6 to extrude the sealing strip 5, the sealing strip 5 is abutted to the limiting arc slide block 3, and then when the limiting slide block is not driven by the adjusting mechanism 400, the limiting slide block is driven to reset through the elastic force of the elastic piece 9.
As shown in fig. 2, as another preferred embodiment of the present utility model, the side limit mechanism 300 includes:
one end of the second connecting rod 14 is fixedly connected with the inner wall of the concave protective shell 4;
one end of the limit baffle 13 is hinged with the second connecting rod 14, and the other end of the limit baffle is abutted against the side wall of the sealing strip 5; and
the two ends of the torsion spring 15 are respectively fixed with the second connecting rod 14 and the limit baffle 13, and are positioned on one side of the limit baffle 13 away from the sealing strip 5.
In the embodiment of the utility model, when the adjusting mechanism 400 drives the limit slide block to move, the limit slide block drives the first connecting rod 7 to slide along the installation shell 8, and the first connecting rod 7 drives the arc-shaped installation seat 6 to extrude the sealing strip 5, the sealing strip 5 extrudes the limit baffle 13, the limit baffle 13 overturns with the second connecting rod 14 as the center, and limits the sealing strip 5 through the elasticity of the torsion spring 15, so that the sealing strip cannot be separated from the arc-shaped installation seat 6.
As shown in fig. 2, as another preferred embodiment of the present utility model, the adjusting mechanism 400 includes:
the rotating sleeve 10 is rotatably arranged on the concave protective shell 4;
one end of the screw rod 11 is in threaded connection with the rotating sleeve 10;
the inclined wedge seat 21 is fixedly connected with one end of the screw rod 11 far away from the rotating sleeve 10, is in sliding connection with the mounting shell 8, and the inclined wedge surface is abutted to the limiting slide block; and
a driving assembly 12 for driving the rotation of the rotary sleeve 10;
the drive assembly 12 is coupled to a limit assembly 500 that limits rotation thereof.
In the embodiment of the utility model, when the sealing device is used, the driving assembly 12 drives the rotating sleeve 10 to rotate, the rotating sleeve 10 drives the screw 11 to move, the screw 11 drives the inclined wedge seat 21 to move, the inclined wedge seat 21 slides along the mounting shell 8 and extrudes the limiting slide block through the inclined wedge surface, the limiting slide block drives the first connecting rod 7 to slide along the mounting shell 8, the first connecting rod 7 drives the arc-shaped mounting seat 6 to extrude the sealing strip 5, the sealing strip 5 extrudes the limiting baffle 13, the limiting baffle 13 overturns around the second connecting rod 14 and limits the sealing strip 5 through the elasticity of the torsion spring 15, so that the sealing strip 5 cannot be separated from the arc-shaped mounting seat 6.
As shown in fig. 3 and 4, as another preferred embodiment of the present utility model, the driving assembly 12 includes a prismatic rod 16 slidably connected to the rotating sleeve 10, the prismatic rod 16 is fixedly connected to a turntable 17, and the limiting assembly 500 includes:
one end of the third connecting rod 18 is fixedly connected with one end of the prismatic rod 16 positioned in the rotating sleeve 10; and
a nested rod 19 fixed to an end of the third connecting rod 18 remote from the prismatic rod 16;
the screw 11 is provided with a clamping groove 20 which is matched with the nesting rod 19.
In the embodiment of the utility model, when the rotary sleeve 10 needs to be driven to rotate, the rotary disc 17 drives the prismatic rod 16 to rotate by rotating the rotary disc 17, and the prismatic rod 16 drives the rotary sleeve 10 to rotate; when the rotating sleeve 10 is not required to be driven to rotate, the rotating disc 17 drives the prismatic rod 16 to slide along the rotating sleeve 10 by pressing the rotating disc 17, the prismatic rod 16 drives the third connecting rod 18 and the nested rod 19 to move, and the nested rod 19 is inserted into the clamping groove 20, so that the rotating sleeve 10 cannot rotate because the screw 11 cannot rotate at the moment.
According to the water stop device for the bridge underwater construction cofferdam, the foundation arc baffle plates 1, the connecting arc baffle plates 2, the limiting arc slide blocks 3, the concave protective shells 4, the sealing strips 5, the supporting mechanism 200, the side limiting mechanisms 300 and the adjusting mechanism 400 are arranged, when the water stop device is used, the four foundation arc baffle plates 1 are put down in an even distribution mode through hanging rings, are inserted into soil through fixed inserting rods at the bottoms of the foundation arc baffle plates 1, then the connecting arc baffle plates 2 drive the limiting arc slide blocks 3 to be inserted into the foundation arc baffle plates 1, the four foundation arc baffle plates 1 are assembled, then the adjusting mechanism 400 adjusts the length of the supporting mechanism 200, the supporting mechanism 200 supports the sealing strips 5, the concave protective shells 4 are abutted against the limiting arc slide blocks 3 to seal the two sides of the sealing strips 5, the side limiting mechanisms 300 are used for limiting the sealing strips 5, the sealing strips 5 are prevented from being separated from the supporting mechanism 200, the assembly is completed, external water is blocked, and finally the construction can be performed by extracting water inside the foundation arc baffle plates 1 and the connecting arc baffle plates 2.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a bridge underwater construction cofferdam sealing device which characterized in that includes:
the base arc baffle plates are uniformly distributed in circumference, the top is fixedly connected with hanging rings, and the bottom is fixedly connected with conical fixed inserted bars;
the connecting arc baffles are provided with a plurality of base arc baffles which are respectively connected with two adjacent base arc baffles in a sliding way;
the limiting arc sliding block is fixed at two ends of the connecting arc baffle, the outer diameter of the limiting arc sliding block is larger than that of the connecting arc baffle, and the limiting arc sliding block is in sliding connection with the basic arc baffle;
the sealing mechanism comprises a concave protective shell and a sealing strip, wherein the basic arc baffle is provided with a containing groove communicated with the limiting arc sliding block, the containing groove is communicated with the concave protective shell, the concave protective shell is fixed on the inner side of the basic arc baffle, and the sealing strip is positioned in the containing groove and is abutted to the side wall of the limiting arc sliding block;
the supporting mechanism is arranged in the concave protective shell and is used for supporting the sealing strip;
the side limit mechanism is arranged in the concave protective shell and used for limiting the two sides of the sealing strip; and
and the adjusting mechanism is used for adjusting the telescopic length of the supporting mechanism.
2. The bridge water stop device for underwater construction of cofferdam as set forth in claim 1, wherein said supporting mechanism comprises:
the arc-shaped mounting seat is abutted against the sealing strip;
one end of the first connecting rod is fixedly connected with the arc-shaped mounting seat, and the other end of the first connecting rod is fixedly connected with a limit sliding block with the outer diameter larger than that of the first connecting rod;
the mounting shell is in sliding connection with the first connecting rod and the limit sliding block and is fixedly connected with the inner wall of the concave protecting shell; and
and the two ends of the elastic piece are fixedly connected with the inner wall of the installation shell and the limit sliding block respectively.
3. The bridge water stop device for underwater construction of cofferdam of claim 1, wherein said side limit mechanism comprises:
one end of the second connecting rod is fixedly connected with the inner wall of the concave protective shell;
one end of the limiting baffle is hinged with the second connecting rod, and the other end of the limiting baffle is abutted against the side wall of the sealing strip; and
the two ends of the torsion spring are respectively fixed with the second connecting rod and the limit baffle, and are positioned on one side of the limit baffle away from the sealing strip.
4. The bridge water stop device for underwater construction of cofferdam as set forth in claim 2, wherein said adjusting mechanism comprises:
the rotating sleeve is rotatably arranged on the concave protective shell;
one end of the screw rod is in threaded connection with the rotating sleeve;
the inclined wedge seat is fixedly connected with one end of the screw rod, which is far away from the rotating sleeve, is in sliding connection with the mounting shell, and the inclined wedge surface is abutted to the limiting slide block; and
the driving assembly is used for driving the rotating sleeve to rotate;
the driving assembly is connected with a limiting assembly which limits the rotation of the driving assembly.
5. The water stop device for the underwater construction of the cofferdam of the bridge as set forth in claim 4, wherein the driving assembly comprises a prismatic rod which is connected with the rotating sleeve in a sliding manner, and the prismatic rod is fixedly connected with the turntable.
6. The bridge water stop for an underwater construction cofferdam of claim 5, wherein said spacing assembly comprises:
one end of the third connecting rod is fixedly connected with one end of the prismatic rod positioned in the rotating sleeve; and
the nested rod is fixed at one end of the third connecting rod far away from the prismatic rod;
the screw is provided with a clamping groove matched with the nesting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320587686.3U CN219470984U (en) | 2023-03-23 | 2023-03-23 | Bridge underwater construction cofferdam sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320587686.3U CN219470984U (en) | 2023-03-23 | 2023-03-23 | Bridge underwater construction cofferdam sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219470984U true CN219470984U (en) | 2023-08-04 |
Family
ID=87464309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320587686.3U Active CN219470984U (en) | 2023-03-23 | 2023-03-23 | Bridge underwater construction cofferdam sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219470984U (en) |
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2023
- 2023-03-23 CN CN202320587686.3U patent/CN219470984U/en active Active
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