CN113152496A - Water sealing sleeve box for underwater welding of bracket on steel casing - Google Patents
Water sealing sleeve box for underwater welding of bracket on steel casing Download PDFInfo
- Publication number
- CN113152496A CN113152496A CN202110414710.9A CN202110414710A CN113152496A CN 113152496 A CN113152496 A CN 113152496A CN 202110414710 A CN202110414710 A CN 202110414710A CN 113152496 A CN113152496 A CN 113152496A
- Authority
- CN
- China
- Prior art keywords
- plate
- side plate
- steel casing
- width
- semicircular
- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 238000003466 welding Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 238000004080 punching Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0061—Production methods for working underwater
- E02D2250/0069—Welding
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0001—Rubbers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention relates to a water sealing sleeve box for underwater welding of a bracket on a steel casing, which is formed by butting two half-width sleeve boxes, wherein a base plate of each sleeve box is provided with a round hole and a water stop plate which have the same diameter as the steel casing, the middle of each sleeve box is provided with a hoop, and the top of each sleeve box is provided with a limiting rod and a limiting plate. During construction, the two half-width pouring jackets are buckled on the outer wall of the steel casing in a butt joint mode and are firmly connected through bolts, the limiting rod is supported on a steel reinforcement cage in the steel casing, the water stop plate and the hoop hold the steel casing tightly, water in the pouring jackets is drained, and a safe and reliable anhydrous environment can be provided for underwater steel casing underwater welding bracket construction.
Description
Technical Field
The invention belongs to the field of underwater bridge construction, and relates to a steel structure water sealing sleeve box for underwater bridge construction.
Background
The steel sleeve box and the concrete sleeve box are widely adopted as water stopping structures in the construction of the high pile cap of the overwater bridge, and the conventional support mode of the two sleeve boxes is that brackets are welded on the outer wall of the underwater steel pile casing and used for supporting the weight of the sleeve box and the concrete of the cap in the sleeve box, so that the welding efficiency and the welding quality of the brackets play a vital role in the lower structure of the whole project.
The position of the bracket on the steel casing is determined according to the designed bottom elevation of the bearing platform and the structural size of the casing, the water level change caused by the rising and falling tide at the bridge position in the construction of part of the overwater bridge is generated, when the position of the bracket is below the water surface, the conventional welding operation cannot be carried out, and if the underwater welding operation is adopted, the cost is several times higher than that of the common welding operation, and the welding quality cannot be ensured.
Disclosure of Invention
The invention aims to overcome the influence of water level change on corbel welding on a steel casing, and designs a water sealing sleeve box for underwater welding of corbels on the steel casing, and corbel welding is carried out in a dry operation environment after sealed water pumping.
The technical scheme of the invention is as follows:
the utility model provides a be used for bracket underwater welding's water sealing pouring jacket on steel protects a section of thick bamboo which characterized in that: the cross section of each sleeve box is square and is formed by butt joint of two half-width sleeve boxes, each half-width sleeve box comprises a main side plate, two sides of each main side plate are respectively welded with an auxiliary side plate with the width being half of the width of the main side plate, the bottoms of the main side plate and the auxiliary side plates are welded with a bottom plate, one side, opposite to the main side plate, of the bottom plate is provided with a semicircular bayonet with the diameter being equal to that of the steel pipe pile, a semicircular water stop plate protrudes upwards along the edge of the semicircular bayonet, reinforcing rods are respectively welded between the water stop plate and the main side plate as well as between the water stop plate and the auxiliary side plates, and a bottom plate connecting plate also protrudes upwards from the two ends of the semicircular bayonet to the auxiliary side plates; a side plate connecting plate extends inwards along the side edges of the two auxiliary side plates respectively, and a plurality of screw holes are formed in the bottom plate connecting plate and the side plate connecting plate; two upright rods which are parallel to the main side plate and the auxiliary side plate and have the same height with the main side plate and the auxiliary side plate are welded on the inner side of the semicircular water stop plate on the bottom plate, and a cross rod is welded between each upright rod and each main side plate and each auxiliary side plate; a semicircular upper limiting plate and a semicircular lower limiting plate are welded close to the semicircular bayonet on the upper end of the upright stanchion, which is opposite to the semicircular bayonet on the bottom plate, a certain distance is reserved between the upper limiting plate and the lower limiting plate, and a limiting rod is horizontally arranged between the two limiting plates; two half-width pouring jackets are buckled with each other, the two half-width pouring jackets are connected with the corresponding bottom plate connecting plate and the corresponding side plate connecting plate through bolts, two semicircular bayonets form a round hole with the diameter equal to the outer diameter of the steel casing, and the two upper limiting plates and the two lower limiting plates are respectively connected through the auxiliary connecting plate through bolts to form two rings with the diameter equal to the outer diameter of the steel casing.
The invention can provide a safe and reliable anhydrous environment for underwater welding bracket construction of the underwater steel casing. In general, the bracket is welded by using a low tide water level during construction, the effective working time of each day is only 2 hours, the water sealing sleeve box can meet the requirement of bracket welding construction all day long after being used, and the engineering construction progress can be ensured.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a plan view of the bottom structure of a half-shell nest;
FIG. 3 is a plan view of the top structure of a half-shell nest;
FIG. 4 is a schematic view taken along line A-A of FIG. 1, showing the bottom plan configuration of two half-nests after docking;
FIG. 5 is a schematic view taken in the direction C-C of FIG. 1, showing the top plan configuration of two half-shells after docking;
FIG. 6 is a schematic view taken along line A-A in FIG. 1, showing the flat structure of two half-width suitcases after butt-jointing to form the hoop;
FIG. 7 is a use condition elevation of the present invention;
FIG. 8 is a schematic view taken along line D-D of FIG. 7, showing a plan view of the top structure in use of the present invention;
fig. 9 is a schematic view from E to E in fig. 7, which shows a bracket welding installation diagram in a use state of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, the cross section of the water sealing sleeve box is square and is formed by butt joint of two half-width sleeve boxes; each half-width pouring jacket comprises a main side plate 1, two sides of the main side plate are respectively welded with an auxiliary side plate 2 with the width being half of that of the main side plate, the bottoms of the main side plate and the auxiliary side plates are welded with a bottom plate 3, one side of the bottom plate opposite to the main side plate is provided with a semicircular bayonet 4 with the diameter being equal to that of a steel pipe pile, a semicircular water stop plate 5 protrudes upwards along the edge of the semicircular bayonet, reinforcing rods 6 are respectively welded between the water stop plate and the main side plate as well as between the water stop plate and the auxiliary side plates, and a bottom plate connecting plate 7 also protrudes upwards from two ends of the semicircular bayonet to the auxiliary side plates; a side plate connecting plate 8 extends inwards along the side edges of the two pairs of side plates 2 respectively, and a plurality of screw holes are formed in the bottom plate connecting plate and the side plate connecting plate; two upright rods 9 which are parallel to the main side plate and the auxiliary side plate and have the same height as the main side plate and the auxiliary side plate are welded on the inner side of the semicircular water stop plate on the bottom plate, and a cross rod 10 is welded between each upright rod and each main side plate and each auxiliary side plate; a semicircular upper limiting plate 11 and a semicircular lower limiting plate 12 are welded on the upright rod 9 close to the upper end of the upright rod and opposite to the semicircular bayonet on the bottom plate, a certain distance is reserved between the upper limiting plate and the lower limiting plate, and a limiting rod 13 is horizontally arranged between the two limiting plates;
as shown in figures 4 and 5, two half-width suites are buckled with each other, the two half-width suites are connected with each other through bolts between the corresponding bottom plate connecting plate 7 and the corresponding side plate connecting plate 8, the two semicircular bayonets are butted to form a round hole 14 with the diameter equal to the outer diameter of the steel casing, and the two upper limiting plates 11 and the two lower limiting plates 12 are respectively connected through bolts through auxiliary connecting plates 15 to form two rings with the diameter equal to the outer diameter of the steel casing.
In the specific implementation of the invention, in order to facilitate hoisting, lifting lugs 16 are respectively welded on the top parts of the two auxiliary side plates of each half-range jacket.
As shown in fig. 6 and fig. 1, in the specific implementation of the present invention, the arc-shaped hoop plate 17 can be welded at a position with a certain height on the two vertical rods 9 of each half width casing, which are opposite to the semicircular bayonets on the bottom plate, and the hoop plates of the two half width casings are buckled and connected by bolts to form a circular hoop with a diameter equal to the outer diameter of the steel casing.
As shown in fig. 2, 4 and 6, in the embodiment of the present invention, in order to facilitate the butt joint of two half-width suitcases, a plurality of punched holes 18 are formed on a side edge of one side plate of each half-width suitcase, and a plurality of punching nails 19 are formed on a side edge of the other side plate; when two half-width suitcases are butted, the punching nail 19 on the auxiliary side plate of one half-width suit case is inserted into the punching hole 18 on the auxiliary side plate of the other half-width suit case, so that the positioning and primary fixing effects can be achieved.
When the water stopping device is specifically implemented, rubber sealing strips can be adhered to the water stopping plate, the bottom plate connecting plate and the side plate connecting plate so as to ensure the water stopping effect in the pouring jacket.
As shown in fig. 7, 8 and 9, when the invention is used for underwater welding of the corbel on the steel casing, the construction method is as follows:
(1) horizontally welding 4 support plates 22 at the upper ends of longitudinal steel bars 21 of the steel reinforcement cage in the steel casing 20, hoisting two half-width pouring cases to two sides of the steel casing 20 at a low water level, and respectively lapping two limiting rods 13 on the support plates 22 and welding the limiting rods with the longitudinal steel bars 21 of the steel reinforcement cage; the two half-width pouring boxes are respectively hung on the limiting rods 13 through the upper limiting plate 11;
(2) inserting a punching nail 19 on the auxiliary side plate of one half of the pouring jacket into a punching hole 18 on the auxiliary side plate of the other half of the pouring jacket, hammering until the punching nails are closely attached to each other, and realizing the primary connection and sealing of the pouring jacket; then the border is taken water in the pouring jacket, and the border from the top down passes through bolted connection firmly with curb plate connecting plate 8, stagnant water board 5, the bottom plate connecting plate 7 of two half pouring jackets in proper order, and the stagnant water board pastes tight steel and protects a section of thick bamboo outer wall, and the stagnant water effect in the pouring jacket can be guaranteed to the rubber seal strip on stagnant water board, bottom plate connecting plate, the curb plate connecting plate.
(3) The upper limiting plate 11, the lower limiting plate 12 and the hoop plate 17 of the two half width suitcases are connected through bolts. The upper limiting plate bears the gravity of the jacket box when the water level is low, the lower limiting plate can resist the upper buoyancy when the water level is high, the hoop holds the steel casing tightly, and the stability of the jacket box is further enhanced.
(4) Water in the jacket is drained, and a bracket 23 is welded to a bracket mounting position set on the steel casing 20.
After construction is finished, the water sealing sleeve box is dismantled at a low water level, the dismantling sequence is opposite to the installation sequence, and the bolts must be dismantled one by one from bottom to top.
Claims (5)
1. The utility model provides a be used for bracket underwater welding's water sealing pouring jacket on steel protects a section of thick bamboo which characterized in that: the cross section of each sleeve box is square and is formed by butt joint of two half-width sleeve boxes, each half-width sleeve box comprises a main side plate, two sides of each main side plate are respectively welded with an auxiliary side plate with the width being half of the width of the main side plate, the bottoms of the main side plate and the auxiliary side plates are welded with a bottom plate, one side, opposite to the main side plate, of the bottom plate is provided with a semicircular bayonet with the diameter being equal to that of the steel pipe pile, a semicircular water stop plate protrudes upwards along the edge of the semicircular bayonet, reinforcing rods are respectively welded between the water stop plate and the main side plate as well as between the water stop plate and the auxiliary side plates, and a bottom plate connecting plate also protrudes upwards from the two ends of the semicircular bayonet to the auxiliary side plates; a side plate connecting plate extends inwards along the side edges of the two auxiliary side plates respectively, and a plurality of screw holes are formed in the bottom plate connecting plate and the side plate connecting plate; two upright rods which are parallel to the main side plate and the auxiliary side plate and have the same height with the main side plate and the auxiliary side plate are welded on the inner side of the semicircular water stop plate on the bottom plate, and a cross rod is welded between each upright rod and each main side plate and each auxiliary side plate; a semicircular upper limiting plate and a semicircular lower limiting plate are welded close to the semicircular bayonet on the upper end of the upright stanchion, which is opposite to the semicircular bayonet on the bottom plate, a certain distance is reserved between the upper limiting plate and the lower limiting plate, and a limiting rod is horizontally arranged between the two limiting plates; two half-width pouring jackets are buckled with each other, the two half-width pouring jackets are connected with the corresponding bottom plate connecting plate and the corresponding side plate connecting plate through bolts, two semicircular bayonets form a round hole with the diameter equal to the outer diameter of the steel casing, and the two upper limiting plates and the two lower limiting plates are respectively connected through the auxiliary connecting plate through bolts to form two rings with the diameter equal to the outer diameter of the steel casing.
2. The water sealing pouring jacket for the underwater welding of the corbels on the steel casing according to claim 1, which is characterized in that: lifting lugs are respectively welded at the top parts of the two auxiliary side plates of each half-range jacket.
3. The water sealing pouring jacket for the underwater welding of the corbels on the steel casing according to claim 1, which is characterized in that: arc-shaped hoop plates are further welded on the two upright rods of each half-range casing opposite to the semicircular bayonets on the bottom plate, and the hoop plates of the two half-range casings are buckled and connected through bolts to form a circular hoop with the diameter equal to the outer diameter of the steel casing.
4. The water sealing pouring jacket for the underwater welding of the corbels on the steel casing according to claim 1, which is characterized in that: a plurality of punched holes are formed in the side edge of one auxiliary side plate of each half-width pouring jacket, and a plurality of punching nails are arranged on the side edge of the other auxiliary side plate; when the two half-width pouring jackets are butted, the punching nails on the auxiliary side plate of one half-width pouring jacket are inserted into the punching holes on the auxiliary side plate of the other half-width pouring jacket.
5. The water sealing pouring jacket for the underwater welding of the corbels on the steel casing according to claim 1, which is characterized in that: rubber sealing strips are adhered to the water stop plate, the bottom plate connecting plate and the side plate connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110414710.9A CN113152496B (en) | 2021-04-17 | 2021-04-17 | Water sealing sleeve box for underwater welding of bracket on steel casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110414710.9A CN113152496B (en) | 2021-04-17 | 2021-04-17 | Water sealing sleeve box for underwater welding of bracket on steel casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113152496A true CN113152496A (en) | 2021-07-23 |
| CN113152496B CN113152496B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110414710.9A Active CN113152496B (en) | 2021-04-17 | 2021-04-17 | Water sealing sleeve box for underwater welding of bracket on steel casing |
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| Country | Link |
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| CN (1) | CN113152496B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150669A (en) * | 2021-12-15 | 2022-03-08 | 中国水利水电第五工程局有限公司 | Construction platform for quickly cutting pile head of underwater steel pipe pile and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100857772B1 (en) * | 2008-04-02 | 2008-09-09 | 최승희 | Construction structure of open caisson cofferdam using assembling sheet pile and it's method |
| CN103510529A (en) * | 2012-11-22 | 2014-01-15 | 中交第三公路工程局有限公司 | Steel hanging box system for underwater high-rise pile cap construction and construction technology thereof |
| CN209816894U (en) * | 2019-03-28 | 2019-12-20 | 中交路桥建设有限公司 | Hoop type platform for water loose splicing of steel pouring jacket |
| CN215165732U (en) * | 2021-04-17 | 2021-12-14 | 中交路桥建设有限公司 | Water sealing sleeve box for underwater welding of bracket on steel casing |
-
2021
- 2021-04-17 CN CN202110414710.9A patent/CN113152496B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100857772B1 (en) * | 2008-04-02 | 2008-09-09 | 최승희 | Construction structure of open caisson cofferdam using assembling sheet pile and it's method |
| CN103510529A (en) * | 2012-11-22 | 2014-01-15 | 中交第三公路工程局有限公司 | Steel hanging box system for underwater high-rise pile cap construction and construction technology thereof |
| CN209816894U (en) * | 2019-03-28 | 2019-12-20 | 中交路桥建设有限公司 | Hoop type platform for water loose splicing of steel pouring jacket |
| CN215165732U (en) * | 2021-04-17 | 2021-12-14 | 中交路桥建设有限公司 | Water sealing sleeve box for underwater welding of bracket on steel casing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150669A (en) * | 2021-12-15 | 2022-03-08 | 中国水利水电第五工程局有限公司 | Construction platform for quickly cutting pile head of underwater steel pipe pile and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN113152496B (en) | 2024-04-26 |
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