CN215928643U - Foundation ditch truss apron braced system convenient to below pipeline normal position protection - Google Patents
Foundation ditch truss apron braced system convenient to below pipeline normal position protection Download PDFInfo
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- CN215928643U CN215928643U CN202120984669.4U CN202120984669U CN215928643U CN 215928643 U CN215928643 U CN 215928643U CN 202120984669 U CN202120984669 U CN 202120984669U CN 215928643 U CN215928643 U CN 215928643U
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Abstract
The utility model relates to a foundation pit truss cover plate supporting system convenient for in-situ protection of a lower pipeline, which comprises: the supporting structure comprises a truss, the truss comprises an upper chord steel pipe, a lower chord steel pipe and an inclined strut for connecting the upper chord steel pipe and the lower chord steel pipe, the truss and a pipeline below the truss are mutually vertical or obliquely arranged, two ends of the truss are respectively lapped on the shoulder part of the side wall of the foundation pit, and a cover plate is covered at the top of the truss; the suspension structure comprises a plurality of suspension units, each suspension unit comprises a supporting seat, the supporting seats are located on the lower chord steel pipes and are provided with arc-shaped grooves in a matched mode, slings are arranged at the bottoms of the supporting seats, two ends of each sling are connected with the supporting seats, and pipelines are located at the bottom of the inner side of a U-shaped structure formed by the slings. The utility model simplifies the construction process, and can save the installation period and the engineering cost; the supporting seat can freely move on the lower chord steel pipe, so that the pipeline suspension construction is more flexible; the supporting structure is not only suitable for the condition that the suspension pipeline is vertical to the supporting body, but also suitable for the condition of oblique crossing, and the applicability of the suspension structure is expanded.
Description
Technical Field
The utility model relates to the technical field of pipeline suspension structures, in particular to a foundation pit truss cover plate supporting system convenient for in-situ protection of lower pipelines.
Background
The subway station in the central urban area is generally arranged below the main road, and the road is not allowed to be completely closed or closed for a long time, so that the construction is mostly carried out by adopting a cover excavation method. And the pipelines under the road are dense, when the station foundation pit is close to the building, the pipelines are not cut and modified by enough space, and an in-situ suspension protection structure is needed. The existing pipeline in-situ protection structure generally adopts a bailey truss, but when the diameter of a suspension pipeline is larger, the pipeline needs to be suspended at the lower part of the bailey truss, the construction is difficult and the efficiency is lower, and meanwhile, no bailey beam is used for suspension in the cover-excavation construction adopting a truss cover plate system, so that a pipeline protection scheme suitable for the truss cover plate system is needed.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a foundation pit truss cover plate supporting system convenient for in-situ protection of a lower pipeline.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a foundation ditch truss apron braced system convenient to below pipeline normal position protection, includes:
the supporting structure comprises a truss, the truss comprises an upper chord steel pipe, a lower chord steel pipe and an inclined strut for connecting adjacent steel pipes, the truss and a pipeline below the truss are mutually vertical or obliquely arranged, two ends of the truss are respectively lapped on a shoulder part of the side wall of the foundation pit, and a cover plate is covered at the top of the truss;
the suspension structure comprises a plurality of suspension units, each suspension unit comprises a supporting seat, the supporting seats are located on the lower chord steel pipes and are provided with arc-shaped grooves in a matched mode, slings are arranged at the bottoms of the supporting seats, two ends of each sling are connected with the supporting seats, and pipelines are located at the bottom of the inner side of a U-shaped structure formed by the slings.
Furthermore, each supporting seat is provided with an arc-shaped groove.
Furthermore, a plurality of arc-shaped grooves are arranged on each supporting seat in a matching way with different lower chord steel pipes.
Furthermore, the truss and the pipeline below are perpendicular to each other, and two ends of the sling are connected with the two adjacent supporting seats respectively.
Furthermore, the truss and the pipeline below are arranged in an oblique crossing manner, two ends of the sling are connected with the same supporting seat, and two connecting points are respectively positioned on two sides of the lower chord steel pipe where the supporting seat is positioned.
Furthermore, the truss and the pipeline below are arranged in an oblique crossing mode, two ends of the sling are connected with the two supporting seats respectively, and the two supporting seats are located on the two adjacent lower chord steel pipes respectively.
The utility model has the beneficial effects that: the utility model simplifies the suspension construction process of the crossed pipeline under the foundation pit cover plate truss system, and can save the installation period and the engineering cost; the supporting seat can freely move on the lower chord steel pipe, so that the pipeline suspension construction is more flexible; the supporting structure is not only suitable for the condition that the suspension pipeline is vertical to the supporting body, but also suitable for the condition of oblique crossing, and the applicability of the suspension structure is expanded.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the supporting base;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
in the figure: 1-a support structure; 11-a truss; 111-steel upper chord pipe; 112-lower chord steel pipe; 113-a diagonal brace; 12-a cover plate; 2-a suspension structure; 21-a support seat; 22-a sling; 3-a pipeline; 4-shoulder;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown, the present embodiment includes:
the supporting structure 1, the supporting structure 1 includes the truss 11, the truss 11 includes the steel tube 111 of upper chord, steel tube 112 of lower chord and diagonal brace 113 used for connecting the adjacent steel tube, the truss 11 and pipeline 3 below are set up vertically or obliquely each other and both ends are lapped on the shoulder 4 of the sidewall of the foundation ditch separately, the top of the truss 11 is covered and equipped with the cover plate 12;
In the first embodiment, the truss 11 and the lower pipeline 3 are perpendicular to each other, and two ends of the suspension cable 22 are respectively connected to two adjacent supporting seats 21.
In the second embodiment, the truss 11 and the lower pipeline 3 are arranged obliquely, two ends of the sling 22 are connected to the same support base 21, and two connection points are respectively located at two sides of the lower chord steel pipe 112 where the support base 21 is located.
In the third embodiment, the truss 11 and the pipeline 3 below are arranged obliquely, two ends of the sling 22 are respectively connected with two supporting seats 21, and the two supporting seats 21 are respectively positioned on two adjacent lower chord steel pipes 112.
During construction, the concrete steps are as follows:
(1) setting the distance between the hoisting points according to the construction requirement;
(2) selecting the diameter of the sling 22 and the thickness of the support seat 21 according to the load of the suspension pipeline 3;
(3) installing a truss 11 and a cover plate 12 to complete the installation of the support structure 1;
(4) a support seat 21 is arranged on the lower chord steel pipe 112;
(5) the sling 22 is passed through the support base 21;
(6) the sling 22 is fixed with the support seat 21 by adopting a gasket and a nut;
(7) the pipeline 3 is threaded in sections through slings 22;
(8) and connecting the subsection suspension pipelines 3, and finishing construction.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.
Claims (6)
1. The utility model provides a foundation ditch truss apron braced system convenient to below pipeline normal position protection which characterized in that includes:
the supporting structure (1), the supporting structure (1) comprises a truss (11), the truss (11) comprises an upper chord steel pipe (111), a lower chord steel pipe (112) and an inclined strut (113) used for connecting adjacent steel pipes, the truss (11) and a pipeline (3) below are perpendicular to each other or obliquely arranged, two ends of the truss (11) are respectively lapped on a shoulder (4) of the side wall of the foundation pit, and a cover plate (12) is covered at the top of the truss (11);
the suspension structure (2), the suspension structure (2) include a plurality of unit that suspend in midair, suspend in midair the unit and include supporting seat (21), supporting seat (21) are located last quarter steel pipe (112) and are equipped with the arc wall rather than the cooperation, and supporting seat (21) bottom is equipped with hoist cable (22), and hoist cable (22) both ends all link to each other with supporting seat (21), and pipeline (3) are located the inboard bottom of the U-shaped structure that hoist cable (22) formed.
2. The foundation pit truss cover plate support system for facilitating in-situ protection of an underlying pipeline as claimed in claim 1, wherein each support base (21) is provided with an arc-shaped groove.
3. The foundation pit truss cover plate supporting system facilitating in-situ protection of an underlying pipeline as claimed in claim 1, wherein each supporting seat (21) is provided with a plurality of arc-shaped grooves matched with different lower chord steel pipes (112).
4. The foundation pit truss cover plate supporting system convenient for in-situ protection of an underlying pipeline is characterized in that a truss (11) and the underlying pipeline (3) are arranged perpendicular to each other, and two ends of a sling (22) are respectively connected with two adjacent supporting seats (21).
5. The foundation pit truss cover plate supporting system convenient for in-situ protection of an underlying pipeline is characterized in that a truss (11) and the underlying pipeline (3) are arranged in an oblique mode, two ends of a sling (22) are connected with the same supporting seat (21), and two connecting points are respectively located on two sides of a lower chord steel pipe (112) where the supporting seat (21) is located.
6. The foundation pit truss cover plate supporting system convenient for in-situ protection of an underlying pipeline is characterized in that a truss (11) is obliquely arranged with the underlying pipeline (3), two ends of a sling (22) are respectively connected with two supporting seats (21), and the two supporting seats (21) are respectively positioned on two adjacent lower chord steel pipes (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120984669.4U CN215928643U (en) | 2021-05-10 | 2021-05-10 | Foundation ditch truss apron braced system convenient to below pipeline normal position protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120984669.4U CN215928643U (en) | 2021-05-10 | 2021-05-10 | Foundation ditch truss apron braced system convenient to below pipeline normal position protection |
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| CN215928643U true CN215928643U (en) | 2022-03-01 |
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| CN202120984669.4U Active CN215928643U (en) | 2021-05-10 | 2021-05-10 | Foundation ditch truss apron braced system convenient to below pipeline normal position protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370171A (en) * | 2022-07-29 | 2022-11-22 | 天津天源国电电力技术有限公司 | Construction method for in-situ suspension protection of power pipeline |
| CN116608324A (en) * | 2023-05-29 | 2023-08-18 | 中铁二十四局集团有限公司 | Underground pipeline reinforcing structure below river-crossing bridge under tunnel construction |
-
2021
- 2021-05-10 CN CN202120984669.4U patent/CN215928643U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370171A (en) * | 2022-07-29 | 2022-11-22 | 天津天源国电电力技术有限公司 | Construction method for in-situ suspension protection of power pipeline |
| CN115370171B (en) * | 2022-07-29 | 2023-06-30 | 天津天源国电电力技术有限公司 | Construction method for in-situ suspension protection of electric power pipeline |
| CN116608324A (en) * | 2023-05-29 | 2023-08-18 | 中铁二十四局集团有限公司 | Underground pipeline reinforcing structure below river-crossing bridge under tunnel construction |
| CN116608324B (en) * | 2023-05-29 | 2024-03-15 | 中铁二十四局集团有限公司 | Underground pipeline reinforcing structure below river-crossing bridge under tunnel construction |
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