CN218757552U - Adjustable guider of double-walled steel cofferdam sunken location - Google Patents
Adjustable guider of double-walled steel cofferdam sunken location Download PDFInfo
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- CN218757552U CN218757552U CN202221666418.2U CN202221666418U CN218757552U CN 218757552 U CN218757552 U CN 218757552U CN 202221666418 U CN202221666418 U CN 202221666418U CN 218757552 U CN218757552 U CN 218757552U
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Abstract
The utility model discloses an adjustable guiding device for sinking and positioning a double-wall steel cofferdam, which comprises a plurality of adjustable guiding devices, wherein the adjustable guiding devices are installed and fixed on a steel pile casing and are connected with the inner wall of the steel cofferdam in a jacking way for guiding; the adjustable guide device comprises guide rods which are vertically arranged, more than one plug bush rod extending backwards is fixedly arranged at the back of each guide rod, each plug bush rod is adjustably connected with a hoop device which is used for being installed and fixed on the steel casing, and the front end of each guide rod is abutted to the inner wall of the steel cofferdam. This adjustable guider both can guarantee the stability of double-walled steel cofferdam transfer in-process, can initiatively rectify when the deviation appears in double-walled steel cofferdam position again, can resist the horizontal shear force that water impact bore in order to reduce the pull rod simultaneously, have that the controllability is strong, strong adaptability, atress relation are clear and definite, easily operation and construction cost are low, can satisfy advantages such as steel cofferdam direction under water on water.
Description
Technical Field
The utility model relates to a technical field of steel cofferdam construction, concretely relates to adjustable guider of double-walled steel cofferdam sink location.
Background
The deep water pile group foundation is widely adopted in the foundation of the super-large river-crossing sea-crossing bridge built in China. The construction of the deepwater pile foundation usually adopts a steel cofferdam scheme, the purpose of water stop between the cofferdam and the steel pipe pile is achieved by utilizing bottom sealing concrete, the intra-cavity dry construction working environment is realized, and the construction quality of the bearing platform is ensured. The steel cofferdam is divided into different structural forms according to construction conditions and construction requirements, and the steel cofferdam comprises a steel sheet pile cofferdam, a steel box cofferdam, a steel hanging box cofferdam, a steel pipe pile cofferdam and the like, wherein the double-wall steel cofferdam is a common mode suitable for construction of a deepwater bearing platform.
The synchronous lowering of the steel cofferdam is the most critical link in construction, the success or failure of the construction of a pile foundation or a bearing platform is related, and the construction precision of the bearing platform is also influenced. However, the actual steel cofferdam is lowered under the influence of factors such as water flow, waves generated by the ship, strong wind, unbalanced sinking process and the like, the steel cofferdam can be deviated and inclined to a certain extent, and the lowering precision of the steel cofferdam and the safety in the lowering process can be influenced. In engineering, a guide device is welded on the inner wall and the outer wall of the steel cofferdam or the steel pipe pile to control the stability and the plane position deviation correction in the lowering process of the double-wall steel cofferdam. Although the method can solve the construction problem, the method has the advantages of low reutilization rate, poor economic rationality, poor adjusting performance and poor implementation operability, is difficult to meet the guiding effect of the steel cofferdam below the water surface, and has obvious application limitation.
Disclosure of Invention
The utility model aims at providing an adjustable guider of double-walled steel cofferdam sunken location, this adjustable guider both can guarantee the stability that the double-walled steel cofferdam transferred the in-process, can initiatively rectify when the deviation appears in double-walled steel cofferdam position again, can resist the horizontal shear force that water impact bore in order to reduce the pull rod simultaneously.
In order to realize the utility model discloses an aim, the technical scheme who adopts is:
a double-wall steel cofferdam sinking positioning adjustable guide device comprises a plurality of adjustable guide devices, wherein the adjustable guide devices are fixedly arranged on a steel pile casing and are in abutting joint with the inner wall of a steel cofferdam for guiding; the adjustable guide device comprises guide rods which are vertically arranged, more than one inserting sleeve rod extending backwards is fixedly arranged at the back of each guide rod, each inserting sleeve rod is adjustably connected with a hoop device which is used for being installed and fixed on the steel casing, and the front end of each guide rod is abutted to the inner wall of the steel cofferdam.
Further preferably: the staple bolt device include arc hoop board, the both ends of arc hoop board articulate through connecting the loose-leaf respectively have an arc steel sheet, the arc hoop board end of keeping away from of arc steel sheet is provided with the staple bolt otic placode, connect through bolted connection spare between the staple bolt otic placode of two arc steel sheets, arc hoop board and arc steel sheet connect into annular staple bolt, the main part of annular staple bolt divide into two arc steel sheets and an arc hoop board, make things convenient for its transportation and installation, guarantee the compactness of being connected with a steel casing simultaneously, adjusting bolt connecting piece realizes that the staple bolt device is fixed in a certain position department of steel casing, can adjust according to actual requirement. The back of the arc-shaped hoop plate is fixedly connected with a square sleeve, and a connecting long hole penetrates through the side face of the square sleeve; the side of the plug bush rod is provided with a mounting hole in a penetrating mode, the plug bush rod is connected in the square sleeve in a plug bush mode, and the mounting hole is connected with the connecting long hole in a fastening mode through a connecting bolt and a nut.
Further preferred is: two sides of the square sleeve far away from the end of the arc-shaped hoop plate are respectively and intensively connected with the arc-shaped hoop plate through an inclined stay bar, the end of the inclined stay bar close to the square sleeve is hinged with a rotary loose-leaf plate through a rotary connecting bolt, and the rotary loose-leaf plate is provided with a long hole; the side surface of the inserting sleeve rod is also provided with an installation long hole in a penetrating way; the installation long hole and the long hole are also tightly connected through a connecting bolt and a nut. The inclined stay bars and the rotary loose-leaf plates strengthen the connection between the arc-shaped hoop plate and the insert sleeve rod, and the positioning and guiding are more stable.
Further preferred is: and a backing plate for locking the nut is arranged on the connecting bolt.
Further preferred is: the upper end and the lower end of the guide rod are both backward inclined and bent, so that the steel cofferdam can be guided.
The adjustable guiding device for the sinking positioning of the double-wall steel cofferdam is skillfully arranged and is arranged on the steel casing, so that the guiding, positioning and guiding in the process of lowering the steel cofferdam and dredging and sinking can be met; this adjustable guider both can guarantee the stability of double-walled steel cofferdam transfer in-process, can initiatively rectify when the deviation appears in double-walled steel cofferdam position again, can resist the horizontal shear force that water impact bore in order to reduce the pull rod simultaneously, it is strong to have the controllability, strong adaptability, the atress relation is clear and definite, easy operation and construction cost are low, can satisfy advantages such as steel cofferdam direction under water on water, if be applied to in the construction of double-walled steel cofferdam, can show and promote construction efficiency and simplify construction steps, can optimize construction technology from this and save a large amount of engineering expenses.
Drawings
FIG. 1 is a schematic view of the mounting position of the present adjustable guide;
FIG. 2 is a schematic view of the present adjustable guide;
FIG. 3 is a schematic structural diagram of the hoop device;
FIG. 4 is a schematic view of the connection structure of the guide bar and the arc-shaped hoop plate;
FIG. 5 is a schematic view of the connection structure of the square sleeve and the arc-shaped hoop plate;
FIG. 6 is a schematic view of the construction of the bayonet rods;
FIG. 7 is a schematic view of the connection relationship between the arc-shaped steel plate and the arc-shaped hoop plate;
FIG. 8 is a schematic view of the connection relationship between the arc-shaped steel plate and the ear plate of the hoop;
the part names corresponding to the numbers in the figure are:
1. an adjustable guide; 2. a steel casing; 3. steel cofferdams; 4. a hoop device; 5. inserting a sleeve rod; 6. a guide bar; 7. a bolt connection; 8. a hoop ear plate; 9. an arc-shaped steel plate; 10. connecting loose leaves; 11. an arc-shaped hoop plate; 12. a diagonal brace; 13. rotating the connecting bolt; 14. rotating the loose-leaf plate; 15. a long hole; 16. a square sleeve; 17. connecting the long holes; 18. a connecting bolt; 19. a nut; 20. a backing plate; 21. mounting holes; 22. and (6) installing the long hole.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the following describes the technical solutions clearly and completely with reference to the embodiments.
Example 1
A double-wall steel cofferdam sinking positioning adjustable guide device comprises a plurality of adjustable guide devices 1, wherein the adjustable guide devices 1 are fixedly arranged on a steel pile casing 2 and are in abutting joint with the inner wall of a steel cofferdam 3 for guiding; the adjustable guide device 1 comprises a guide rod 6 which is vertically arranged, more than one inserting sleeve rod 5 which extends backwards is fixedly arranged at the back of the guide rod 6, each inserting sleeve rod 5 is adjustably connected with a hoop device 4 which is used for installing and fixing the steel pile casing 2, and the front end of the guide rod 6 is abutted to the inner wall of the steel cofferdam 3.
Staple bolt device 4 include arc armful hoop plate 11, arc armful hoop plate 11's both ends articulate through connecting loose-leaf 10 respectively has an arc steel sheet 9, arc steel sheet 9 keep away from arc armful hoop plate 11 end and are provided with staple bolt otic placode 8, connect through bolted connection 7 between two arc steel sheet 9's the staple bolt otic placode 8, arc armful hoop plate 11 and arc steel sheet 9 are connected and become annular staple bolt, the main part of annular staple bolt divide into two arc steel sheets 9 and an arc armful hoop plate 11, make things convenient for its transportation and installation, guarantee the compactness of being connected with a steel casing simultaneously, adjusting bolt connecting piece 7 realizes that staple bolt device 4 is fixed in a certain position department of a steel casing 2, can adjust according to actual requirement. The back of the arc-shaped hoop plate 11 is fixedly connected with a square sleeve 16, and a connecting long hole 17 penetrates through the side face of the square sleeve 16; the side of the inserting sleeve rod 5 is provided with a mounting hole 21 in a penetrating mode, the inserting sleeve rod 5 is connected in the square sleeve 16 in an inserting and sleeving mode, and the mounting hole 21 and the connecting long hole 17 are connected in a fastening mode through the connecting bolt 18 and the nut 19.
Example 2
The distinguishing features from example 1 are: the two sides of the end, far away from the arc-shaped hoop plate 11, of the square sleeve 16 are respectively connected with the arc-shaped hoop plate 11 in a reinforcing manner through inclined supporting rods 12, the end, close to the square sleeve 16, of each inclined supporting rod 12 is hinged with a rotary loose-leaf plate 14 through a rotary connecting bolt 13, and each rotary loose-leaf plate 14 is provided with a long hole 15; the side surface of the inserting sleeve rod 5 is also provided with an installation long hole 22 in a penetrating way; the long mounting holes 22 and the long holes 15 are also fastened by the connecting bolts 18 and the nuts 19. The connecting bolt 18 is provided with a backing plate 20 for locking a nut 19. The upper end and the lower end of the guide rod 6 are both backward inclined and bent, which is beneficial to guiding the steel cofferdam 3.
The installation and construction process of the double-wall steel cofferdam sinking positioning adjustable guide device in the embodiment 2 comprises the following steps: according to actual construction needs, the arc-shaped steel plate 9 and the arc-shaped hoop plate 11 of the hoop device 4 are surrounded outside the steel casing 2, the hoop device (4) is fixed at a certain position of the steel casing 2 by screwing the bolt connecting piece 7 on the hoop ear plate 8, the insertion sleeve rod 5 of the guide rod 6 is inserted into the square sleeve 6 of the corresponding hoop device 4, the guide rod 6 and the insertion sleeve rod 5 are moved to a proper position, the connecting bolt 18 penetrates through the mounting hole 21 and the connecting long hole 17, and the base plate 20 is placed and then the nut 19 is screwed for fastening; and the rotary loose-leaf plate 14 is turned and pasted on the inserting sleeve rod 5, the connecting bolt 18 is penetrated in the installation long hole 22 and the long hole 15, after the cushion plate 20 is placed, the nut 19 is screwed and fastened, and the installation of the whole adjustable guiding device 1 is completed. And finally, hoisting the steel cofferdam 3, ensuring the stability of the double-wall steel cofferdam in the lowering process under the guiding action of the guide rod 6, and conveying the steel cofferdam to a bolt for active deviation correction when the deviation occurs in the position of the double-wall steel cofferdam. After the steel cofferdam 3 is hoisted, the connecting bolt 18, the nut 19 and the bolt connecting piece 7 are loosened and removed, and the whole adjustable guide device 1 can be easily removed from the steel pile casing 2 for reuse.
The above description is not intended to limit the present application, and the present application is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions or substitutions within the spirit and scope of the present application.
Claims (5)
1. The utility model provides an adjustable guider of double-walled steel cofferdam sunken location which characterized in that: the steel cofferdam construction device comprises a plurality of adjustable guide devices (1), wherein the adjustable guide devices (1) are fixedly arranged on a steel pile casing (2) and are abutted and guided with the inner wall of a steel cofferdam (3); the adjustable guide device (1) comprises guide rods (6) which are vertically arranged, more than one inserting sleeve rod (5) extending backwards is fixedly arranged at the back of each guide rod (6), each inserting sleeve rod (5) is adjustably connected with a hoop device (4) which is used for being installed and fixed on the steel pile casing (2), and the front end of each guide rod (6) is abutted to the inner wall of the steel cofferdam (3).
2. The adjustable guiding device for the sinking positioning of the double-walled steel cofferdam of claim 1, wherein: the hoop device (4) comprises arc-shaped hoop plates (11), two ends of each arc-shaped hoop plate (11) are respectively hinged with an arc-shaped steel plate (9) through connecting hinges (10), the ends, far away from the arc-shaped hoop plates (11), of the arc-shaped steel plates (9) are provided with hoop ear plates (8), and the hoop ear plates (8) of the two arc-shaped steel plates (9) are connected through bolt connecting pieces (7); the back of the arc-shaped hoop plate (11) is fixedly connected with a square sleeve (16), and a connecting long hole (17) penetrates through the side surface of the square sleeve (16); the side of the plug bush rod (5) is provided with a mounting hole (21) in a penetrating mode, the plug bush rod (5) is connected in the square sleeve (16) in a plug bush mode, and the mounting hole (21) is connected with the long connecting hole (17) in a fastening mode through a connecting bolt (18) and a nut (19).
3. The adjustable guiding device for the sinking positioning of the double-walled steel cofferdam of claim 2, wherein: the two sides of the end, far away from the arc-shaped hoop plate (11), of the square sleeve (16) are respectively connected with the arc-shaped hoop plate (11) in a reinforcing manner through inclined supporting rods (12), the end, close to the square sleeve (16), of each inclined supporting rod (12) is hinged to a rotary loose-leaf plate (14) through a rotary connecting bolt (13), and each rotary loose-leaf plate (14) is provided with a long hole (15); the side surface of the inserting sleeve rod (5) is also provided with an installation long hole (22) in a penetrating way; the installation long hole (22) and the long hole (15) are also tightly connected through a connecting bolt (18) and a nut (19).
4. Adjustable guiding device for the sinking positioning of a double-walled steel cofferdam according to claim 2 or 3, characterized in that: and a backing plate (20) for locking a nut (19) is arranged on the connecting bolt (18).
5. The adjustable guiding device for the sinking positioning of the double-walled steel cofferdam of claim 1, wherein: the upper end and the lower end of the guide rod (6) are both in a backward inclined bending shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666418.2U CN218757552U (en) | 2022-06-30 | 2022-06-30 | Adjustable guider of double-walled steel cofferdam sunken location |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666418.2U CN218757552U (en) | 2022-06-30 | 2022-06-30 | Adjustable guider of double-walled steel cofferdam sunken location |
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| Publication Number | Publication Date |
|---|---|
| CN218757552U true CN218757552U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221666418.2U Active CN218757552U (en) | 2022-06-30 | 2022-06-30 | Adjustable guider of double-walled steel cofferdam sunken location |
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| Country | Link |
|---|---|
| CN (1) | CN218757552U (en) |
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2022
- 2022-06-30 CN CN202221666418.2U patent/CN218757552U/en active Active
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