CN213508480U - Assembled rotatable supporting node structure for foundation pit supporting - Google Patents
Assembled rotatable supporting node structure for foundation pit supporting Download PDFInfo
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- CN213508480U CN213508480U CN202022265158.5U CN202022265158U CN213508480U CN 213508480 U CN213508480 U CN 213508480U CN 202022265158 U CN202022265158 U CN 202022265158U CN 213508480 U CN213508480 U CN 213508480U
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Abstract
The utility model relates to the field of building engineering, the utility model discloses a second end of assembled rotatable support node structure support for excavation supporting is rotated with the first end of linkage segment and is connected for support and connecting seat can rotate relatively, and then drive envelope and/or support steel pipe and rotate, make support steel pipe can support envelope different angles, can be applicable to all kinds of excavation especially non-parallel boundary wall excavation supporting, be convenient for support steel pipe and envelope carry out the integral assembly, thereby realize the support of all kinds of excavation fast and conveniently, the dismouting is swift convenient, recoverable recycling, economic environmental protection; the first connecting plate and the second connecting plate adopt a structure that two plates are clamped by three plates, so that stress distribution is more uniform, stress concentration is avoided, and the node is more reliable and safer; in addition, each part sets up the floor, strengthens the stability of support node, ensures the intensity and the rigidity of each part of support node, avoids stress concentration to cause node local buckling.
Description
Technical Field
The utility model relates to a building engineering field indicates a rotatable support node structure of assembled for excavation supporting especially.
Background
In recent years, with the increasing urbanization process, urban land is increasingly tense, underground space development and utilization become hot spots, and foundation pit supporting engineering is rapidly developed. The internal bracing steel pipe and the enclosure structure are widely used in foundation pit supporting engineering to ensure the stability of the foundation pit.
In the prior art, structures such as loose ends and the like are generally adopted between an inner support steel pipe section and a building enclosure as support nodes, the support angles of the support nodes are fixed, and steel pipes can only be vertically supported on the building enclosure, so that the support nodes can only be used for supporting cuboid foundation pits with mutually parallel side walls.
When the horizontal inclined strut is carried out on the enclosure structure, the triangular auxiliary component needs to be welded on the enclosure structure through the supporting node with the fixed angle, so that the enclosure structure is damaged to a certain extent, the construction is complex, the consumed time is long, and the enclosure structure cannot be recycled.
Disclosure of Invention
In order to solve the problem, the utility model provides a be applicable to all kinds of foundation ditch be non-parallel side wall excavation supporting very much, need not to weld or pour the rotatable support node of assembled of triangle-shaped auxiliary stay structure on envelope when being used for horizontal bracing.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a rotatable support node structure of assembled for excavation supporting, includes envelope, supports steel pipe, support and linkage segment, the first end of support is fixed on envelope, the second end of support with the first end of linkage segment is rotated and is connected, the second end of linkage segment is connected with supporting the steel pipe to make and support the steel pipe and can become the angle support to envelope.
Furthermore, the first end of the support is a fixed plate and is fixed on the enclosure structure through a high-strength bolt, the second end of the support is two first connecting plates vertically arranged on the fixed plate, the two first connecting plates are arranged side by side at a certain interval, and coaxial first through holes are formed in the two first connecting plates.
The two first connecting plates are hinged with the three second connecting plates through steel pin shafts, the two first connecting plates are clamped between the three second connecting plates, the diameters of the steel pin shafts are matched with the diameters of the first through holes and the second through holes, one end of each steel pin shaft penetrates through the first through hole in the first connecting plate and the second through hole in the second connecting plate, and the other end of each steel pin shaft is fixed through a limiting rod.
The fixing plate is provided with two first clamping plates, and the two first clamping plates are located at two ends of the first connecting plate and are perpendicular to the fixing plate.
Further, the linkage segment includes first bottom plate, second bottom plate, three second connecting plates and pipe, first bottom plate and second bottom plate set up respectively at the pipe both ends, and the first end of linkage segment is three and sets up the second connecting plate in the first bottom plate outside side by side with certain interval, interval and first connecting plate thickness looks adaptation between two adjacent second connecting plates, be equipped with the coaxial second through-hole the same with first through-hole aperture on the first connecting plate on the second connecting plate, the second end of linkage segment is the second bottom plate, is connected with the support steel pipe through high strength bolt.
The outer side of the first bottom plate is provided with two second clamping plates which are positioned at two ends of the second connecting plate and are vertical to the first bottom plate.
The inner side of the first bottom plate is provided with a plurality of third rib plates, and the inner side of the second bottom plate is provided with a plurality of fourth rib plates.
Wherein, the side of first connecting plate is equipped with a plurality of first floor.
Wherein, the side of second connecting plate is equipped with a plurality of second floor.
The beneficial effects of the utility model reside in that: the utility model discloses a second end of assembled rotatable support node structure support for excavation supporting is rotated with the first end of linkage segment and is connected for support and connecting seat can rotate relatively, and then drive envelope and/or support steel pipe and rotate, make support steel pipe can support envelope different angles, can be applicable to all kinds of foundation pits especially non-parallel boundary wall excavation supporting, be convenient for support steel pipe and envelope carry out the integral assembly, thereby realize the support of all kinds of foundation pits fast and conveniently, the dismouting is swift convenient, recoverable recycle, economic environmental protection; the first connecting plate and the second connecting plate adopt a structure that two plates are clamped by three plates, so that stress distribution is more uniform, stress concentration is avoided, and the node is more reliable and safer; in addition, each part sets up the floor, strengthens the stability of support node, ensures the intensity and the rigidity of each part of support node, avoids stress concentration to cause node local buckling.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural view of the cradle according to the embodiment.
Fig. 4 is a schematic structural view of the connection segment of the present embodiment.
The reference numbers illustrate: 1. a support; 11. a fixing plate; 12. a first connecting plate; 13. a first through hole; 14. a first splint; 15. a first rib plate; 2. a connecting section; 21. a first base plate; 22. a second base plate; 23. a second connecting plate; 24. a circular tube; 25. a second through hole; 26. a second splint; 27. a second rib plate; 28. a third rib plate; 29. a fourth rib plate; 3. an enclosure structure; 4. supporting the steel pipe; 5. a steel pin shaft; 6. a limiting rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. The present application may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure, and the words used to indicate orientation, top, bottom, left, right, etc. are used solely to describe the illustrated structure in connection with the accompanying figures.
Please refer to fig. 1-4, the utility model discloses a rotatable support node structure of assembled for excavation supporting, including envelope 3, support steel pipe 4, support 1 and linkage segment 2, the first end of support 1 is fixed on envelope 3, and the second end of support 1 rotates with the first end of linkage segment 2 to be connected, and the second end of linkage segment 2 is connected with support steel pipe 4 to make support steel pipe 4 can become the angle support to envelope 3. The first end of the support 1 is a fixing plate 11 and is fixed on the enclosure structure 3 through a high-strength bolt, the second end of the support is two first connecting plates 12 vertically arranged on the fixing plate 11, the two first connecting plates 12 are arranged side by side at a certain interval, and coaxial first through holes 13 are formed in the two first connecting plates 12. The connecting section 2 comprises a first bottom plate 21, a second bottom plate 22, three second connecting plates 23 and a circular tube 24, the first bottom plate 21 and the second bottom plate 22 are respectively arranged at two ends of the circular tube 24, the first end of the connecting section 2 is provided with the three second connecting plates 23 which are arranged at the outer side of the first bottom plate 21 side by side at certain intervals, the interval between the two adjacent second connecting plates 23 is matched with the thickness of the first connecting plate 12, the second connecting plates 23 are provided with coaxial second through holes 25 which are the same as the first through holes 13 on the first connecting plate 12 in aperture, the second end of the connecting section 2 is provided with the second bottom plate 22, and the connecting section is connected with the support steel tube 4 through high-strength bolts. The two first connecting plates 12 are hinged with the three second connecting plates 23 through steel pin shafts 5, the two first connecting plates 12 are clamped between the three second connecting plates 23, the diameter of each steel pin shaft 5 is matched with the aperture of each first through hole 13 and the aperture of each second through hole 25, one end of each steel pin shaft 5 penetrates through the first through hole 13 in the first connecting plate 12 and the second through hole 25 in the second connecting plate 23, and the other end of each steel pin shaft is fixed through a limiting rod 6.
In the embodiment, the support 1 is hinged with the connecting section 2 through the steel pin shaft 5, so that the support 1 and the connecting seat can rotate around the steel pin shaft 5, and further the support structure 3 and/or the support steel pipe 4 are driven to rotate, the support steel pipe 4 can support the support structure 3 at different angles, the support steel pipe can be suitable for supporting various foundation pits, particularly non-parallel side wall foundation pits, and the problem that the support angle cannot be adjusted due to rigid connection between the support node and the support steel pipe 4 in the prior art can be solved; and has the advantages of faster and more convenient disassembly, recycling and reuse, lower cost, and direct hoisting in place without maintenance. The first connecting plate 12 and the second connecting plate 23 adopt a structure of clamping two plates by three plates, so that stress distribution is more uniform, stress concentration is avoided, and the node is more reliable and safer.
In this embodiment, be equipped with two first splint 14 on the fixed plate 11, two first splint 14 are located first connecting plate 12 both ends and are perpendicular with fixed plate 11, the first bottom plate 21 outside is equipped with two second splint 26, two second splint 26 are located second connecting plate 23 both ends and are perpendicular with first bottom plate 21, the side of first connecting plate 12 is equipped with the first floor 15 of a plurality of, first floor 15 shape is right triangle, right triangle's two right-angle sides respectively with the side of first connecting plate 12 and fixed plate 11 welded fastening.
In this embodiment, the side surface of the second connecting plate 23 is provided with a plurality of second rib plates 27, the second rib plates 27 are in the shape of right triangles, and two right-angle sides of each right triangle are respectively welded and fixed with the side surface of the second connecting plate 23 and the first bottom plate 21; the inner side of the first bottom plate 21 is provided with a plurality of third rib plates 28, the third rib plates 28 are triangular, two sides of the triangle are respectively welded with the inner side of the first bottom plate 21 and the side surface of the circular tube 24, the inner side of the second bottom plate 22 is provided with a plurality of fourth rib plates 29, the fourth rib plates 29 are triangular, and two sides of the triangle are respectively welded with the inner side of the second bottom plate 22 and the side surface of the circular tube 24. In addition, each part sets up the floor, strengthens the stability of support node, ensures the intensity and the rigidity of each part of support node, avoids stress concentration to cause node local buckling.
It is further understood that the terms "connected," "secured," "disposed," "mounted," and the like are to be construed broadly and their specific meanings in the context of the invention will be understood by those skilled in the art as appropriate and not by limitation, unless otherwise explicitly stated or limited.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.
Claims (9)
1. The utility model provides a rotatable support node structure of assembled for excavation supporting, its characterized in that: the support comprises an enclosure structure, a support steel pipe, a support and a connecting section, wherein the first end of the support is fixed on the enclosure structure, the second end of the support is rotatably connected with the first end of the connecting section, and the second end of the connecting section is connected with the support steel pipe, so that the support steel pipe can support the enclosure structure in a variable angle mode.
2. The fabricated rotatable support node structure for foundation pit support of claim 1, wherein: the first end of the support is a fixing plate and is fixed on the enclosure structure through a high-strength bolt, the second end of the support is two first connecting plates vertically arranged on the fixing plate, the two first connecting plates are arranged side by side at a certain interval, and coaxial first through holes are formed in the two first connecting plates.
3. The fabricated rotatable support node structure for foundation pit support of claim 2, wherein: two first connecting plates are hinged with three second connecting plates through steel pin shafts, the two first connecting plates are clamped between the three second connecting plates, the diameter of each steel pin shaft is matched with the aperture of each first through hole and the aperture of each second through hole, one end of each steel pin shaft penetrates through the first through hole in the first connecting plate and the second through hole in the second connecting plate, and the other end of each steel pin shaft is fixed through a limiting rod.
4. The fabricated rotatable support node structure for foundation pit support of claim 2, wherein: the fixing plate is provided with two first clamping plates which are positioned at two ends of the first connecting plate and are vertical to the fixing plate.
5. The fabricated rotatable support node structure for foundation pit support of claim 1, wherein: the linkage segment includes first bottom plate, second bottom plate, three second connecting plates and pipes, first bottom plate and second bottom plate set up respectively at the pipe both ends, and the first end of linkage segment is three and sets up the second connecting plate in the first bottom plate outside side by side with certain interval, interval and first connecting plate thickness looks adaptation between two adjacent second connecting plates, be equipped with on the second connecting plate with first connecting plate on the same coaxial second through-hole in first through-hole aperture, the second end of linkage segment is the second bottom plate, is connected with the support steel pipe through high strength bolt.
6. The fabricated rotatable support node structure for foundation pit support of claim 5, wherein: two second clamping plates are arranged on the outer side of the first bottom plate and are located at two ends of the second connecting plate and perpendicular to the first bottom plate.
7. The fabricated rotatable support node structure for foundation pit support of claim 5, wherein: a plurality of third rib plates are arranged on the inner side of the first bottom plate, and a plurality of fourth rib plates are arranged on the inner side of the second bottom plate.
8. An assembled rotatable support node structure for use in foundation pit support according to any one of claims 2 to 5, wherein: the side of first connecting plate is equipped with a plurality of first floor.
9. An assembled rotatable support node structure for use in foundation pit support according to claim 3 or 5 or 6, wherein: and a plurality of second rib plates are arranged on the side surface of the second connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022265158.5U CN213508480U (en) | 2020-10-12 | 2020-10-12 | Assembled rotatable supporting node structure for foundation pit supporting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022265158.5U CN213508480U (en) | 2020-10-12 | 2020-10-12 | Assembled rotatable supporting node structure for foundation pit supporting |
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| CN213508480U true CN213508480U (en) | 2021-06-22 |
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| CN202022265158.5U Active CN213508480U (en) | 2020-10-12 | 2020-10-12 | Assembled rotatable supporting node structure for foundation pit supporting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585286A (en) * | 2021-08-24 | 2021-11-02 | 西安建筑科技大学 | Concrete support pin mounting type assembly suitable for foundation pit support |
| CN114108657A (en) * | 2021-12-31 | 2022-03-01 | 浙江交工集团股份有限公司 | Arched prestress support structure for foundation pit support structure and construction method |
-
2020
- 2020-10-12 CN CN202022265158.5U patent/CN213508480U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585286A (en) * | 2021-08-24 | 2021-11-02 | 西安建筑科技大学 | Concrete support pin mounting type assembly suitable for foundation pit support |
| CN113585286B (en) * | 2021-08-24 | 2022-07-19 | 中铁四局集团有限公司 | Concrete supporting pin mounted assembly suitable for foundation pit supporting |
| CN114108657A (en) * | 2021-12-31 | 2022-03-01 | 浙江交工集团股份有限公司 | Arched prestress support structure for foundation pit support structure and construction method |
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