CN215518833U - Self-floating double-arm steel cofferdam device used during dismantling - Google Patents
Self-floating double-arm steel cofferdam device used during dismantling Download PDFInfo
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- CN215518833U CN215518833U CN202122011085.1U CN202122011085U CN215518833U CN 215518833 U CN215518833 U CN 215518833U CN 202122011085 U CN202122011085 U CN 202122011085U CN 215518833 U CN215518833 U CN 215518833U
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Abstract
The utility model relates to the technical field of hydraulic engineering construction equipment, in particular to a double-arm steel cofferdam device capable of floating automatically during dismantling; a can be from floating both arms steel cofferdam device when demolising includes upper floating layer and fixed bed, the fixed bed cover is in the outside of upper floating layer, and with upper floating layer sliding connection, upper floating layer includes sliding block and buoyancy ring, the sliding block sets up in the inboard of fixed bed, and with fixed bed sliding connection, the buoyancy ring sets up in the top of sliding block, and with sliding block fixed connection, the buoyancy ring has air chamber and a plurality of water-stop sheet, the air chamber sets up in the inside of buoyancy ring, the vertical inboard of arranging at the air chamber of a plurality of water-stop sheet, under the condition that takes place the proruption water-swell, the upper floating ring moves the sliding block come-up, the sliding block rises according to the high automation of surface of water, the problem of the unable proruption water-swell of adaptation of current cofferdam has been solved.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering construction equipment, in particular to a double-arm steel cofferdam device capable of floating automatically during dismantling.
Background
In recent years, with the continuous development of economic construction in China, more and more bridges span large rivers, and the technology for constructing the bridge foundation is greatly developed and improved. The construction of the bridge deepwater foundation is difficult in cofferdam construction. The double-wall steel cofferdam is used as a waterproof cofferdam commonly adopted in the deep water foundation construction of the bridge, and is increasingly applied to the foundation construction of the bridge;
most of the existing double-arm steel cofferdams have fixed height and size, and when water rises, if the height of the cofferdam cannot be increased in time, water flow flows backward easily, and the cofferdam cannot adapt to the situation of sudden water rise.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-floating double-arm steel cofferdam device used for dismantling, which solves the problem that the existing cofferdam cannot adapt to sudden water rise.
In order to achieve the purpose, the utility model provides a double-arm steel cofferdam device capable of self-floating during dismantling, which comprises an upper floating layer and a fixed layer, wherein the fixed layer is sleeved on the outer side of the upper floating layer and is in sliding connection with the upper floating layer, the upper floating layer comprises a sliding block and a floating ring, the sliding block is arranged on the inner side of the fixed layer and is in sliding connection with the fixed layer, and the floating ring is arranged above the sliding block and is fixedly connected with the sliding block;
the buoyancy ring is provided with an air chamber and a plurality of water-stop sheets, the air chamber is arranged inside the buoyancy ring, and the water-stop sheets are vertically arranged on the inner side of the air chamber.
When sudden water rising occurs, the upper floating ring drives the sliding block to float upwards, and the sliding block automatically rises according to the height of the water surface.
The sliding block comprises a supporting column and a lifting plate, the lifting plate is arranged on the inner side of the fixed layer and is in sliding connection with the fixed layer, and the supporting column is arranged in the lifting plate and is fixedly connected with the lifting plate.
The support column is used for improving the structural strength of the lifting plate.
The lifting plate is provided with a plurality of cavities and a plurality of sliding grooves, the cavities are vertically arranged inside the lifting plate, the sliding grooves are formed in the outer side of the lifting plate, the extending direction of the sliding grooves is parallel to the height direction of the lifting plate, and the sliding grooves are connected with the fixed layer in a sliding mode.
The cavities are used for reducing the weight of the lifting plate, and the sliding grooves are matched with the fixed layer during floating to prevent the lifting plate from being excessively lifted and separated from the fixed layer.
The fixed layer comprises a locking ring and an installation shell, the installation shell is sleeved on the sliding block and is in sliding connection with the sliding block, and the locking ring is arranged above the installation shell and is fixedly connected with the installation shell.
The lifting plate is arranged on the inner side of the mounting shell, and the floating height of the lifting plate is limited through the locking ring, so that the lifting plate is prevented from falling off.
Wherein, the locking ring includes ring and boss, the ring set up in the top of installation shell, and with installation shell fixed connection, the boss set up in the inboard of ring, and with ring fixed connection, just the boss with sliding block sliding connection.
The boss is used for limiting the floating height of the lifting plate and preventing the lifting plate and the fixed layer from rotating relatively.
The installation shell comprises a base and a casing, the casing is of a hollow structure, the casing is sleeved on the outer side of the sliding block and is in sliding connection with the sliding block, and the base is arranged below the casing and is fixedly connected with the casing.
The cofferdam equipment is fixed at the bottom of the water through the base, and the lifting plate slides on the inner side of the casing.
The casing has recess and a plurality of strengthening rib, the recess set up in the top of casing, just the recess with sliding block sliding connection, a plurality of strengthening rib equipartition is in the inside of casing.
The lifter plate is in the inboard slip of recess, the strengthening rib is used for promoting the structural strength of cover shell.
The base comprises a drainage cabin and a plurality of partition plates, the drainage cabin is arranged below the casing and fixedly connected with the casing, and the partition plates are uniformly distributed in the drainage cabin and fixedly connected with the drainage cabin.
When the water drainage device is detached, water in the water drainage cabin is pumped out, the weight of the fixed seat is reduced, and the buoyancy force borne by the base is increased.
According to the self-floating double-arm steel cofferdam device used for dismantling, under the condition of sudden water expansion, the upper floating ring drives the sliding block to float upwards, and the sliding block automatically rises according to the height of the water surface, so that the problem that the conventional cofferdam cannot adapt to the sudden water expansion is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic axial structure diagram of a self-floating double-arm steel cofferdam device used for dismantling.
Fig. 2 is a schematic structural diagram of a front sectional view of a self-floating double-arm steel cofferdam device used for dismantling.
Fig. 3 is a schematic side sectional structure view of a self-floating double-arm steel cofferdam device for demolition according to the present invention.
Fig. 4 is a schematic top sectional view of a self-floating double-arm steel cofferdam device for demolition according to the present invention.
Fig. 5 is a schematic top sectional view of the base of the self-floating double-arm steel cofferdam device for dismantling according to the present invention.
10-upper floating layer, 11-floating ring, 111-air chamber, 112-water stop plate, 12-sliding block, 121-lifting plate, 1211-sliding groove, 1212-cavity, 122-supporting column, 20-fixed layer, 21-locking ring, 211-circular ring, 212-boss, 22-mounting shell, 221-casing, 2211-groove, 2212-reinforcing rib, 222-base, 2221-drainage cabin and 2222-separation plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the self-floatable double-arm steel cofferdam device for demolition provided by the present invention includes an upper floating layer 10 and a fixed layer 20, the fixed layer 20 is sleeved outside the upper floating layer 10 and is slidably connected with the upper floating layer 10, the upper floating layer 10 includes a sliding block 12 and a floating ring 11, the sliding block 12 is disposed inside the fixed layer 20 and is slidably connected with the fixed layer 20, the floating ring 11 is disposed above the sliding block 12 and is fixedly connected with the sliding block 12;
the buoyancy ring 11 is provided with an air chamber 111 and a plurality of water stop plates 112, the air chamber 111 is arranged inside the buoyancy ring 11, and the water stop plates 112 are vertically arranged on the inner side of the air chamber 111.
In this embodiment, the air chamber 111 is filled with gas, when water rises, the buoyancy ring 11 rises under the action of buoyancy, the sliding block 12 is lifted up, when the water surface falls, the sliding block 12 falls back, and the height of the sliding block 12 automatically changes along with the height of the water surface, so that the problem that the conventional cofferdam cannot adapt to sudden water rise is solved, the air chamber 111 is divided into a plurality of layers by the water-stop plates 112, and if water enters into one of the layers due to cracks, the remaining part of the air chamber 111 can still provide buoyancy.
Further, sliding block 12 includes supporting columns 122 and lifting plates 121, where lifting plates 121 are disposed inside fixed layer 20 and slidably connected to fixed layer 20, and supporting columns 122 are disposed inside lifting plates 121 and fixedly connected to lifting plates 121;
the lifting plate 121 has a plurality of cavities 1212 and a sliding chute 1211, wherein the cavities 1212 are vertically arranged inside the lifting plate 121, the cavities 1212 are fixedly connected to the supporting post 122, the sliding chute 1211 is disposed outside the lifting plate 121, an extending direction of the sliding chute 1211 is parallel to a height direction of the lifting plate 121, and the sliding chute 1211 is slidably connected to the fixing layer 20.
In this embodiment, when the floating ring 11 floats upwards, the lifting plate 121 rises along the sliding slot 1211, the plurality of cavities 1212 are used to reduce the weight of the lifting plate 121, so that the lifting plate 121 can be lifted by the floating ring 11 more easily, and the supporting posts 122 are disposed inside the lifting plate 121 to improve the structural strength of the lifting plate 121.
Further, fixed layer 20 includes a locking ring 21 and a mounting shell 22, where mounting shell 22 is sleeved on sliding block 12 and slidably connected to sliding block 12, and locking ring 21 is disposed above mounting shell 22 and fixedly connected to mounting shell 22;
the locking ring 21 includes a circular ring 211 and a boss 212, the circular ring 211 is disposed above the mounting shell 22 and is fixedly connected with the mounting shell 22, the boss 212 is disposed inside the circular ring 211 and is fixedly connected with the circular ring 211, and the boss 212 is slidably connected with the sliding groove 1211;
the mounting shell 22 comprises a base 222 and a sleeve 221, the sleeve 221 is of a hollow structure, the sleeve 221 is sleeved outside the sliding block 12 and is in sliding connection with the sliding block 12, and the base 222 is arranged below the sleeve 221 and is fixedly connected with the sleeve 221;
the sleeve 221 has a groove 2211 and a plurality of reinforcing ribs 2212, the groove 2211 is arranged at the top of the sleeve 221, the groove 2211 is connected with the sliding block 12 in a sliding manner, and the plurality of reinforcing ribs 2212 are uniformly distributed in the sleeve 221;
the base 222 comprises a drainage cabin 2221 and a plurality of partition plates 2222, the drainage cabin 2221 is arranged below the casing 221 and fixedly connected with the casing 221, and the partition plates 2222 are uniformly distributed in the drainage cabin 2221 and fixedly connected with the drainage cabin 2221.
In this embodiment, when the cofferdam apparatus is installed, the drainage tank 2221 is filled with water, the weight of the base 222 is increased, so that the cofferdam apparatus is sunk, the partition 2222 divides the drainage tank 2221 into a plurality of compartments, the central position of the drainage tank 2221 is controlled by injecting water into different compartments, so that the posture of the drainage tank 2221 in the water is adjusted, the installation shell 22 is fixed to the water bottom through the base 222, when the buoyancy ring 11 floats upwards, the lifting plate 121 slides inside the groove 2211, the boss 212 slides inside the sliding groove 1211, so that the lifting plate 121 is prevented from being excessively lifted, and the lifting plate 121 is prevented from falling off the casing 221, the reinforcing rib 2212 is disposed inside the casing 221, so as to enhance the structural strength of the casing 221, and when the lifting plate 121 is not lifted, the lifting plate 121 is protected, when the cofferdam is removed, water in the drainage tank 2221 is pumped out, so that the weight of the base 222 is reduced, the buoyancy force applied to the base 222 is increased, and the cofferdam device is assisted to float upwards automatically.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (8)
1. A double-arm steel cofferdam device capable of self-floating during dismantling is characterized in that,
the self-floating double-arm steel cofferdam device comprises an upper floating layer and a fixed layer, wherein the fixed layer is sleeved on the outer side of the upper floating layer and is in sliding connection with the upper floating layer, the upper floating layer comprises a sliding block and a floating ring, the sliding block is arranged on the inner side of the fixed layer and is in sliding connection with the fixed layer, and the floating ring is arranged above the sliding block and is fixedly connected with the sliding block;
the buoyancy ring is provided with an air chamber and a plurality of water-stop sheets, the air chamber is arranged inside the buoyancy ring, and the water-stop sheets are vertically arranged on the inner side of the air chamber.
2. A self-floating double-arm steel cofferdam apparatus for demolition as claimed in claim 1,
the sliding block includes support column and lifter plate, the lifter plate set up in the inboard of fixed layer, and with fixed layer sliding connection, the support column set up in the inside of lifter plate, and with lifter plate fixed connection.
3. A self-floating double-arm steel cofferdam apparatus for demolition as claimed in claim 2,
the lifter plate has a plurality of cavity and spout, a plurality of the equal vertical range of cavity is in the inside of lifter plate, the spout set up in the outside of lifter plate, the extending direction of spout with the direction of height of lifter plate is parallel, just the spout with fixed bed sliding connection.
4. A self-floating double-arm steel cofferdam apparatus for demolition as claimed in claim 1,
the fixed layer includes locking ring and installation shell, the installation shell cover be in on the sliding block, and with sliding connection of sliding block, the locking ring set up in the top of installation shell, and with installation shell fixed connection.
5. A self-floating double-arm steel cofferdam apparatus for demolition as claimed in claim 4,
the locking ring includes ring and boss, the ring set up in the top of installation shell, and with installation shell fixed connection, the boss set up in the inboard of ring, and with ring fixed connection, just the boss with sliding block sliding connection.
6. A self-floating double-arm steel cofferdam apparatus for demolition as claimed in claim 5,
the installation shell includes base and cover shell, the cover shell is hollow structure, the cover shell cover in the outside of sliding block, and with sliding block sliding connection, the base set up in the below of cover shell, and with cover shell fixed connection.
7. A self-floating double-arm steel cofferdam apparatus for demolition as claimed in claim 6,
the cover shell has recess and a plurality of strengthening rib, the recess set up in the top of cover shell, just the recess with sliding block sliding connection, a plurality of strengthening rib equipartition is in the inside of cover shell.
8. A self-floating double-arm steel cofferdam apparatus for demolition as claimed in claim 7,
the base includes drainage cabin and a plurality of division board, the drainage cabin set up in the below of cover shell, and with cover shell fixed connection, a plurality of division board equipartition is in the inside of drainage cabin, and all with drainage cabin fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122011085.1U CN215518833U (en) | 2021-08-25 | 2021-08-25 | Self-floating double-arm steel cofferdam device used during dismantling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122011085.1U CN215518833U (en) | 2021-08-25 | 2021-08-25 | Self-floating double-arm steel cofferdam device used during dismantling |
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| Publication Number | Publication Date |
|---|---|
| CN215518833U true CN215518833U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122011085.1U Active CN215518833U (en) | 2021-08-25 | 2021-08-25 | Self-floating double-arm steel cofferdam device used during dismantling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319399A (en) * | 2022-01-25 | 2022-04-12 | 阜阳市颍州区水利建筑安装有限责任公司 | Water conservancy construction cofferdam device |
-
2021
- 2021-08-25 CN CN202122011085.1U patent/CN215518833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319399A (en) * | 2022-01-25 | 2022-04-12 | 阜阳市颍州区水利建筑安装有限责任公司 | Water conservancy construction cofferdam device |
| CN114319399B (en) * | 2022-01-25 | 2024-02-09 | 阜阳市颍州区水利建筑安装有限责任公司 | Water conservancy construction cofferdam device |
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