CN110952590B - Gravity type foundation with retractable toothed plate and installation method thereof - Google Patents
Gravity type foundation with retractable toothed plate and installation method thereof Download PDFInfo
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- CN110952590B CN110952590B CN201911224462.0A CN201911224462A CN110952590B CN 110952590 B CN110952590 B CN 110952590B CN 201911224462 A CN201911224462 A CN 201911224462A CN 110952590 B CN110952590 B CN 110952590B
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- 230000005484 gravity Effects 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 title abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- 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
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Abstract
The invention discloses a gravity type foundation with a retractable toothed plate and an installation method thereof, wherein the gravity type foundation comprises a gravity type foundation main body and a retractable part, a gravity type wall and a cross beam of the retractable part are respectively positioned in a transverse space and a longitudinal space of the gravity type foundation main body, and the gravity type wall is fixedly connected with the cross beam; the central rotating shaft with external threads penetrates through the cylinder, the cross beam and the stainless steel interface, and the telescopic part can be driven to move up and down by rotating the rotating wheel on the central rotating shaft. In the aspect of stress, the bearing capacity of the foundation can be enhanced by sinking the gravity type wall when necessary, the horizontal transverse force resisting capacity of the foundation is obviously improved, the ocean current resisting capacity of the foundation on the seabed is enhanced, the stability is kept, and the gravity type wall can not be laid down when not necessary. On the construction and installation, enough space is reserved during the construction of the gravity type foundation main body, so that the cross beam, the gravity type wall and the central rotating shaft can be installed, and the construction is convenient.
Description
Technical Field
The invention relates to a tooth anchor with telescopic anchor teeth and an installation method thereof, in particular to a gravity type foundation with telescopic toothed plates and an installation method thereof.
Background
After the 20 th century and the 60 th era, under the promotion of marine science and technology, new fields of human utilization of marine resources are more and more, the value of the marine resources is more and more valued by human beings, and people develop and utilize the marine resources from different angles. In order to meet the requirements of production and living, the mankind regards the sea, the sea and the seabed space as the places for transportation, production, military activities, living and entertainment. This is more and more demanding on the safety and stability of offshore structures, and the complexity of marine environment makes their geological disasters frequent, and the problems of sea storm caused by the flow of sea water and the scouring of sea waves are serious, which requires us to design a more innovative building structure to deal with these problems.
The foundation is crucial to the stability and safety of a building structure, so that the design of a foundation with high bearing capacity and high stability is crucial. At present, the gravity type foundation structures on the sea are single in form, the foundation structures only resist external moment through self gravity to keep balance, the resistance performance to the strong wind and the big waves on the sea needs to be improved, and the resistance moment needs to be improved in other modes.
Disclosure of Invention
The invention aims to provide a gravity type foundation with a retractable toothed plate and an installation method aiming at the defects of the prior art. The gravity type foundation can be stretched and retracted, so that the gravity type wall in the gravity type foundation moves downwards and extends into the lower soil body, the resisting moment of the gravity type foundation is improved, and the requirements for improving the stability and the bearing capacity are met. The invention can be constructed in an assembling mode, and is simple and convenient.
The invention is realized by adopting the following technical scheme:
a gravity type foundation with a toothed plate capable of stretching comprises a gravity type foundation main body and a stretching part,
the gravity type foundation comprises a gravity type foundation main body, a transverse space and a longitudinal space, wherein the transverse space and the longitudinal space are arranged in the gravity type foundation main body at equal intervals along the longitudinal direction and are symmetrical along the cross section of the gravity type foundation main body where a central shaft is located; a cylinder is arranged at the center of the upper part of the gravity type foundation main body; the lower part of the gravity type foundation main body is provided with a stainless steel interface, and a cylindrical space inside the gravity type foundation main body is provided with a concave-convex structure;
the telescopic part comprises a gravity type wall arranged in a transverse space and a cross beam arranged in a longitudinal space, and the gravity type wall is fixedly connected with the cross beam; an inner cylinder with internal threads is arranged at the central shaft of the cross beam, and a central rotating shaft penetrates through the inner cylinder; the central rotating shaft is provided with an external thread which is matched with the internal thread of the inner cylinder, and the bottom end of the central rotating shaft is provided with a concave-convex structure which is matched with the concave-convex structure in the stainless steel interface, so that the central rotating shaft can only rotate and can not move up and down; the central rotating shaft penetrates through the cylinder and the stainless steel interface, the rotating wheel is arranged at the top end of the central rotating shaft, and the central rotating shaft can rotate through the rotating wheel, so that the telescopic part is driven to move up and down.
In the technical scheme, the beam is provided with the beam lifting hook, and the telescopic part can be installed into the gravity type foundation main body through the beam lifting hook during construction.
Furthermore, the intersection of the gravity type wall and the cross beam is fixedly connected through a connecting piece, and the cross beam is always in the longitudinal space inside the gravity type foundation main body.
Furthermore, the longitudinal space does not penetrate through the bottom of the gravity type base main body, so that the cross beam is prevented from falling too much, and the stability of the cross beam is kept.
The invention also provides an installation method of the gravity type foundation with the telescopic toothed plate, which comprises the following steps: the center rotating shaft penetrates through a cylinder at the top of the gravity type main body part, and the bottom of the center rotating shaft enters a concave-convex space of the stainless steel interface; the method comprises the steps of pouring a beam and a gravity type wall into a whole by concrete to obtain a telescopic part, directly installing the telescopic part into a gravity type foundation main body through a beam hook, enabling a central rotating shaft to penetrate through an inner cylinder at the central shaft of the beam, installing a rotating wheel at the top of the central rotating shaft, and rotating the central rotating shaft by rotating the rotating wheel, so that the telescopic part moves downwards, and finally enabling the gravity type wall to move into a foundation at the bottom of the foundation.
In the invention, the rotating wheel on the central rotating shaft can be rotated to rotate the central rotating shaft, so that the movable part is driven to move up and down in the gravity type foundation main body, and the movable part can move into a soil body at the bottom of the foundation. The cylinder is arranged at the center of the upper part of the gravity type foundation main body, so that the fixing effect is achieved. The gravity type wall is fixedly connected with the cross beam, the cross beam is always in the space inside the gravity type foundation, and the gravity type wall can be driven to move up and down by rotating the rotating wheel on the upper portion of the central shaft, so that the purpose of improving the bearing capacity is achieved.
The invention has the advantages that:
in the aspect of stress, the bearing performance of the gravity type foundation with the telescopic toothed plate is improved through the mobility of the gravity type wall in the gravity type foundation, so that the resisting moment of the gravity type foundation is greatly improved, and the height of the gravity type wall needing to be moved can be improved and determined according to the size of the resisting moment needing to be improved; in the aspect of construction, the foundation can be assembled, only a gravity type foundation main body, a gravity type wall and a cross beam are required to be poured and constructed independently, the foundation is high in stability, the capability of resisting a marine storm and an overturning moment is obviously enhanced, the construction is convenient, the reliability is high, and the stability is strong.
Drawings
FIG. 1 is a basic collapsed condition elevation view;
FIG. 2 is a top plan view of a base collapsed state;
FIG. 3 is a partial cross-sectional view of a gravity base;
FIG. 4 is a telescoping section elevation;
FIG. 5 is a detail view of the upper portion of the central spindle;
FIG. 6 is an elevational view of the base portion in an extended condition;
FIG. 7 is a representation of a foundation construction;
in the figure: 1. gravity type wall, 2, horizontal space, 3, gravity type basic main part, 4, runner, 5, drum, 6, stainless steel interface, 7, ground, 8, crossbeam, 9, central pivot, 10, connecting piece, 11, crossbeam lifting hook, 12, vertical space.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Fig. 1-3 are schematic structural views of a gravity type base with a retractable toothed plate according to the present invention.
The gravity type foundation comprises a gravity type foundation main body 3 and a telescopic part, a transverse space 2 and a longitudinal space 12 are arranged in the gravity type foundation main body 3, a cylinder 5 is arranged at the center of the upper part of the gravity type foundation main body 3, and the middle part of the cylinder 5 is cylindrical and hollow; the lower part of the gravity type basic main body part 3 is provided with a stainless steel interface 6, the center of the stainless steel interface is also provided with a cylindrical space, the space is internally provided with a concave-convex structure, and the stainless steel interface 6 is consistent with the center of a cylinder 5 at the upper part of the gravity type basic main body part 3. Enough space is reserved during construction of the gravity type foundation main body, so that the cross beam 8, the gravity type wall 1 and the central rotating shaft 9 can be installed, and construction is facilitated.
In this embodiment, there are four gravity walls made of concrete. The gravity type wall 1 and the cross beam 8 are fixed together and are poured together during construction, the center of the cross beam 8 is also hollow, the hollow size is the same as that of the central rotating shaft 9, internal threads are arranged inside the hollow size, and the central rotating shaft 9 with external threads penetrates through the cylinder 5, the cross beam 8 and the stainless steel connector 6, so that the central rotating shaft 9 can be fixed in the vertical direction and can rotate. The rotating wheel 4 is arranged at the upper part of the central rotating shaft 9, and the rotating wheel 4 can be rotated to realize the rotation of the central rotating shaft 9, so that the cross beam 8 and the four gravity type walls 1 are driven to move up and down. During construction, the four gravity walls 1 and the cross beams 8 can be assembled into the gravity foundation main body 3. The gravity wall 1 is cast together with the cross beams 8 to form a stable whole.
In this embodiment, the rotating wheel 4 on the central rotating shaft 9 can be rotated to rotate the central rotating shaft 9, so as to drive the four gravity type walls 1 to move up and down in the gravity type foundation main body 3, and the gravity type walls 1 can move to the foundation 7 at the bottom of the foundation. A cylinder 5 of a cylindrical structure is built at the center of the upper portion of the gravity type base body 3, thereby achieving the effect of fixing the central rotation shaft. Enough space is left at the center shaft of gravity type basic main part 3 to make center pivot 9 can rotate, is equipped with stainless steel interface 6 in the lower part of gravity type basic main part 3, and stainless steel interface 6 center is equipped with the concave-convex structure the same with center pivot 9 bottom, makes center pivot 9 can get into and reach the effect of fixed center pivot 9 through this concave-convex structure to make it only can rotate. The four gravity walls 1 and the cross beams 8 are fixedly connected together, and the cross beams 8 are always in the space inside the gravity foundation main body 3.
The installation method of the toothed plate telescopic gravity type foundation of the embodiment comprises the following steps:
the central rotating shaft 9 penetrates through the cylinder 5 at the top of the gravity type main body part 3, and the bottom of the central rotating shaft 9 enters the concave-convex space of the stainless steel interface 6; the cross beam 8 and the gravity type wall 1 are poured into a whole through concrete to obtain a telescopic part, the telescopic part is directly installed inside the gravity type foundation main body 3 through a cross beam hook 11, a cylinder 5 is arranged at the center of the upper portion of the gravity type foundation main body 3, a central rotating shaft 9 penetrates through an inner cylinder at the center shaft of the cross beam 8, a rotating wheel 4 is installed at the top of the central rotating shaft 9, the rotating wheel 4 at the top of the central rotating shaft 9 is rotated to realize the rotation of the central rotating shaft 9, so that the telescopic part moves downwards, and finally the gravity type wall 1 moves into a foundation 7 at the bottom of the foundation.
Claims (5)
1. A gravity type foundation with a toothed plate capable of stretching is characterized by comprising a gravity type foundation main body (3) and a stretching part,
the gravity type foundation body (3) is internally provided with a transverse space (2) and a longitudinal space (12), the transverse spaces (2) are equidistantly arranged in the gravity type foundation body (3) along the longitudinal direction and are symmetrical along the cross section of the central shaft of the gravity type foundation body (3), and the longitudinal space (12) is positioned on the longitudinal section of the central shaft of the gravity type foundation body (3); a cylinder (5) is arranged at the center of the upper part of the gravity type basic main body (3); the lower part of the gravity type foundation main body (3) is provided with a stainless steel interface (6), and a cylindrical space inside the stainless steel interface is provided with a concave-convex structure;
the telescopic part comprises a gravity type wall (1) arranged in a transverse space (2) and a cross beam (8) arranged in a longitudinal space (12), and the gravity type wall (1) is fixedly connected with the cross beam (8); an inner cylinder with internal threads is arranged at the central shaft of the cross beam (8), and a central rotating shaft (9) penetrates through the inner cylinder; the central rotating shaft (9) is provided with an external thread which is matched with the internal thread of the inner cylinder, the bottom end of the central rotating shaft (9) is provided with a concave-convex structure which is matched with the concave-convex structure in the stainless steel interface (6), so that the central rotating shaft (9) can only rotate and can not move up and down; center pivot (9) run through drum (5) and stainless steel interface (6), center pivot (9) top be equipped with runner (4), can realize that center pivot (9) rotate through runner (4) to drive the telescopic part and reciprocate.
2. A gravity foundation with retractable toothed plates according to claim 1, wherein the beam (8) is provided with a beam hook (11), and the retractable part can be installed in the gravity foundation body (3) through the beam hook (11) during construction.
3. A gravity foundation with retractable toothed plates according to claim 1, characterized in that the intersection of the gravity wall (1) and the cross beam (8) is also fixedly connected by a connecting piece (10), and the cross beam (8) is always in the longitudinal space (12) inside the gravity foundation body (3).
4. A toothed plate telescopic gravity foundation according to claim 1, wherein said longitudinal space (12) does not extend through the bottom of the gravity foundation body (3) to ensure that the cross beam (8) does not drop too far, maintaining its stability.
5. A method of mounting a toothed plate telescopic gravity base according to any of claims 1 to 4, characterised by the steps of: the center rotating shaft (9) penetrates through a cylinder (5) at the top of the gravity type basic main body (3), and the bottom of the center rotating shaft (9) enters a concave-convex space of the stainless steel interface (6); the gravity type wall foundation is characterized in that the cross beam (8) and the gravity type wall (1) are poured into a whole by concrete to obtain a telescopic part, the telescopic part is directly installed inside the gravity type foundation main body (3) through a cross beam hook (11), a central rotating shaft (9) penetrates through an inner cylinder at the central shaft of the cross beam (8), a rotating wheel (4) is installed at the top of the central rotating shaft (9), the central rotating shaft (9) rotates by rotating the rotating wheel (4), so that the telescopic part moves downwards, and finally the gravity type wall (1) moves into a foundation (7) at the bottom of the foundation.
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CN111878318B (en) * | 2020-08-07 | 2022-03-01 | 上海电气风电集团股份有限公司 | Retractable fan basis and fan |
CN113774950A (en) * | 2021-09-14 | 2021-12-10 | 江苏交水建智能装备研究院有限公司 | Scour prevention major diameter gravity type basis |
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CN100549333C (en) * | 2003-07-07 | 2009-10-14 | 邱则有 | A kind of hollow component used for concrete |
CN101255701A (en) * | 2007-01-25 | 2008-09-03 | 天津市海王星海上工程技术有限公司 | At-sea composite foundation |
CN103276691B (en) * | 2013-05-23 | 2016-02-24 | 天津港航工程有限公司 | wall pile frame construction |
CN105649236B (en) * | 2016-02-02 | 2018-01-23 | 长沙理工大学 | Gravity type damping filling wall |
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