CN210562252U - Plugging device for preventing slurry leakage in jacket foundation installation process - Google Patents
Plugging device for preventing slurry leakage in jacket foundation installation process Download PDFInfo
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- CN210562252U CN210562252U CN201920717047.8U CN201920717047U CN210562252U CN 210562252 U CN210562252 U CN 210562252U CN 201920717047 U CN201920717047 U CN 201920717047U CN 210562252 U CN210562252 U CN 210562252U
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Abstract
The utility model discloses a prevent plugging device that leaks thick liquid in jacket basis installation, including bearing structure and shutoff board, bearing structure is fixed in pile foundation inner wall and forms the holding surface that is used for supporting the shutoff board, and the shutoff board cooperates and places in the bearing structure top with the inner wall of pile foundation. The application process of the scheme is as follows: fixing a supporting structure on the inner wall of a pile foundation, then performing pile sinking construction, hoisting a plugging plate into the pile foundation and placing the plugging plate above the supporting structure to complete plugging work before grouting construction, and finally inserting a conduit frame leg into the pile foundation to perform grouting operation. The utility model discloses avoided the leak thick liquid risk of follow-up grout operation that conduit frame leg installation error arouses, simultaneously, relaxed construction allowed error range, improved the efficiency of construction.
Description
Technical Field
The utility model relates to a marine wind power equips construction technical field, especially relates to a prevent plugging device who leaks thick liquid in marine wind power jacket basis installation.
Background
In the construction of an offshore wind power project, the following method is generally adopted for sealing in the grouting stage in the installation process of a jacket foundation: connecting a sealing ring (made of rubber) on a guide pipe frame leg (connected by a bolt), firstly driving a foundation pile and then hoisting the guide pipe frame, and fixedly contacting the sealing ring with the inner wall of the pile. This approach has several problems:
1) the rigidity of the sealing ring is insufficient, and the sealing ring can deform in the grouting process;
2) eccentricity exists during installation of the jacket, so that the circle center of a jacket leg is not concentric with the circle center of the pile foundation, a gap exists between the sealing ring and the pile wall, and the two structures cannot be in close contact.
These problems can lead to slurry leakage during grouting.
Therefore, how to solve the problem of slurry leakage in the grouting stage in the installation process of the offshore wind power jacket foundation is a technical problem to be solved by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a plugging device that prevents to leak thick liquid in jacket basis installation.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a prevent plugging device that leaks thick liquid in jacket basis installation, includes bearing structure and shutoff board, bearing structure is fixed in pile foundation inner wall and forms and is used for supporting the holding surface of shutoff board, the shutoff board with the inner wall cooperation of pile foundation, the shutoff board place in bearing structure top.
Preferably, the support structure comprises a plurality of support plates circumferentially fixed to the inner wall of the pile foundation.
Preferably, a corbel stiffening plate is arranged on the lower side of the supporting plate.
Preferably, the supporting plate and the bracket stiffening plate are uniformly distributed along the circumferential direction of the inner wall of the pile foundation.
Preferably, the supporting plate is welded on the inner wall of the pile foundation, and the bracket stiffening plate is welded and fixed with the supporting plate and the inner wall of the pile foundation.
Preferably, a lifting lug is arranged above the plugging plate.
Preferably, the plugging plate is a reinforced concrete plate or a stiffened steel plate.
Preferably, the occlusion device is located below the catheter holder leg.
Preferably, the distance between the occlusion device and the lower end of the catheter frame leg is 0.1m to 1.0 m.
Preferably, the occlusion device is at a distance of 0.5m from the lower end of the catheter holder leg.
The utility model provides a prevent plugging device that leaks thick liquid in jacket basis installation, including bearing structure and shutoff board, bearing structure is fixed in pile foundation inner wall and forms the holding surface that is used for supporting the shutoff board, and the shutoff board cooperates and places in the bearing structure top with the inner wall on pile foundation.
The utility model provides a plugging device's use as follows:
fixing a supporting structure on the inner wall of a pile foundation, then performing pile sinking construction, hoisting a plugging plate into the pile foundation and placing the plugging plate above the supporting structure to complete plugging work before grouting construction, and finally inserting a conduit frame leg into the pile foundation to perform grouting operation.
The utility model discloses following beneficial effect has:
1) the risk of slurry leakage of subsequent grouting operation caused by installation errors of the conduit frame legs is avoided, meanwhile, the construction allowable error range is widened, and the construction efficiency is improved;
2) the plugging plate has enough rigidity, so that deformation is basically avoided in the grouting process, the risk of slurry leakage is greatly reduced, the grouting operation time is shortened, and the construction time and the construction cost are saved;
3) this scheme plugging device is convenient for install, need not to use large-scale construction equipment, also need not constructor and carries out complicated operation, has very high practicality and economic benefits.
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 these drawings without creative efforts.
Fig. 1 is a schematic structural view of a use state of the plugging device in an embodiment of the present invention;
fig. 2 is a top view of a support structure and a pile foundation according to an embodiment of the present invention.
In fig. 1 and 2:
1-conduit frame leg, 2-shear key, 3-pile foundation, 4-grouting material, 5-lifting lug, 6-bracket stiffening plate, 7-plugging plate and 8-support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural view of a use state of a plugging device in an embodiment of the present invention; fig. 2 is a top view of a support structure and a pile foundation according to an embodiment of the present invention.
In order to solve the thick liquid problem that leaks in the stage of being in milk in marine wind power jacket basis installation, the utility model provides a prevent to leak in jacket basis installation plugging device of thick liquid, including bearing structure and shutoff board 7, bearing structure is fixed in 3 inner walls of pile foundation and forms the holding surface that is used for supporting shutoff board 7, and shutoff board 7 places in the bearing structure top with the inner wall cooperation of pile foundation 3, shutoff board 7.
The utility model provides a plugging device's use as follows:
firstly fixing a supporting structure on the inner wall of a pile foundation 3, then performing pile sinking construction, then hanging a plugging plate 7 into the pile foundation 3 and placing the plugging plate above the supporting structure to finish plugging work before grouting construction, and finally inserting the conduit frame legs 1 into the pile foundation 3 to perform grouting operation.
It should be noted that the supporting structure can be designed in various structural forms, such as a supporting plate structure, a supporting rod structure or a step structure arranged on the inner wall of the pile foundation 3, and preferably, the supporting structure in this embodiment includes a plurality of supporting plates 8 fixed on the inner wall of the pile foundation 3 along the circumferential direction, as shown in fig. 2.
Further preferably, the underside of the support plate 8 is provided with a corbel stiffener 6. As shown in fig. 1, the corbel stiffener 6 can further support the support plate 8, so as to improve the support strength and meet the grouting requirement.
Preferably, the support plates 8 and the corbel stiffener plates 6 are uniformly distributed along the circumferential direction of the inner wall of the pile foundation 3. As shown in fig. 2, a plurality of uniformly distributed support plates 8 together form an annular support surface. The number of the bracket stiffening plates 6 can be equal to or less than that of the support plates 8, and the number of the bracket stiffening plates 6 is determined according to the diameter of the pile foundation 3.
It should be noted that, in this embodiment, the support plate 8 and the bracket stiffening plate 6 may be fixed to the inner wall of the pile foundation 3 in various ways, such as welding, slot fixing, and the like, and preferably, the support plate 8 in this embodiment is welded to the inner wall of the pile foundation 3, and the bracket stiffening plate 6 is welded to the support plate 8 and the inner wall of the pile foundation 3.
Preferably, a lifting lug 5 is arranged above the plugging plate 7 so as to lift the plugging plate 7 into the pile foundation 3 after the pile sinking construction is completed.
It should be noted that the plugging plate 7 is preferably a reinforced concrete slab or a stiffened steel plate, and naturally, a support plate made of other metal materials may also be used in this embodiment.
Preferably, the occlusion device is located below the catheter holder leg 1. As shown in fig. 1, the conduit frame legs 1 are positioned above the blanking panels 8 and are filled with grouting material 4 around them. In order to increase the connection strength of the grouting material 4 and the inner wall of the pile foundation 3 and further improve the resistance to shearing force, the inner wall of the pile foundation 3 is also provided with a shear key 2, as shown in fig. 1.
Preferably, the distance between the occluding device and the lower end of the catheter holder leg 1 is 0.1m to 1.0 m.
Further preferably, the occluding device is at a distance of 0.5m from the lower end of the catheter holder leg 1. The distance can ensure that the grouting operation is carried out smoothly, and simultaneously, the installation requirements of the conduit frame legs 1 are met.
The utility model discloses following beneficial effect has:
1) the risk of slurry leakage of subsequent grouting operation caused by installation errors of the conduit frame legs 1 is avoided, meanwhile, the construction allowable error range is widened, and the construction efficiency is improved;
2) the plugging plate 7 has enough rigidity, so that deformation is basically avoided in the grouting process, the risk of slurry leakage is greatly reduced, the grouting operation time is shortened, and the construction time and the construction cost are saved;
3) this scheme plugging device is convenient for install, need not to use large-scale construction equipment, also need not constructor and carries out complicated operation, has very high practicality and economic benefits.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The plugging device for preventing slurry leakage in the installation process of the jacket foundation is characterized by comprising a supporting structure and a plugging plate (7), wherein the supporting structure is fixed on the inner wall of a pile foundation (3) and forms a supporting surface for supporting the plugging plate (7), the plugging plate (7) is matched with the inner wall of the pile foundation (3), and the plugging plate (7) is placed above the supporting structure.
2. The occlusion device, according to claim 1, characterized in that the support structure comprises a plurality of support plates (8) circumferentially fixed to the inner wall of the pile foundation (3).
3. The occlusion device according to claim 2, characterized in that the underside of the support plate (8) is provided with corbel stiffener plates (6).
4. The plugging device according to claim 3, wherein the support plates (8) and the corbel stiffener plates (6) are uniformly distributed along the circumference of the inner wall of the pile foundation (3).
5. The plugging device according to claim 3, wherein the support plate (8) is welded to the inner wall of the pile foundation (3), and the corbel stiffener (6) is welded to the support plate (8) and the inner wall of the pile foundation (3).
6. The occlusion device according to claim 1, characterized in that a lifting lug (5) is arranged above the occlusion plate (7).
7. The plugging device according to claim 1, wherein the plugging plate (7) is a reinforced concrete plate or a stiffened steel plate.
8. The occlusion device according to claim 1, characterized in that the occlusion device is located below a catheter holder leg (1).
9. The occlusion device according to claim 8, characterized in that the distance of the occlusion device from the lower end of the catheter holder leg (1) is 0.1-1.0 m.
10. The occlusion device according to claim 9, characterized in that the distance of the occlusion device from the lower end of the catheter holder leg (1) is 0.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717047.8U CN210562252U (en) | 2019-05-17 | 2019-05-17 | Plugging device for preventing slurry leakage in jacket foundation installation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717047.8U CN210562252U (en) | 2019-05-17 | 2019-05-17 | Plugging device for preventing slurry leakage in jacket foundation installation process |
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| Publication Number | Publication Date |
|---|---|
| CN210562252U true CN210562252U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920717047.8U Active CN210562252U (en) | 2019-05-17 | 2019-05-17 | Plugging device for preventing slurry leakage in jacket foundation installation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356214A (en) * | 2021-06-04 | 2021-09-07 | 中交第三航务工程局有限公司江苏分公司 | Grouting bottom sealing method for offshore wind turbine jacket foundation structure |
-
2019
- 2019-05-17 CN CN201920717047.8U patent/CN210562252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356214A (en) * | 2021-06-04 | 2021-09-07 | 中交第三航务工程局有限公司江苏分公司 | Grouting bottom sealing method for offshore wind turbine jacket foundation structure |
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