CN217974418U - Supporting frame for foundation pit supporting based on steel structure assembly - Google Patents
Supporting frame for foundation pit supporting based on steel structure assembly Download PDFInfo
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- CN217974418U CN217974418U CN202222435566.XU CN202222435566U CN217974418U CN 217974418 U CN217974418 U CN 217974418U CN 202222435566 U CN202222435566 U CN 202222435566U CN 217974418 U CN217974418 U CN 217974418U
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Abstract
Support frame for excavation supporting based on steel construction assembly, including basis, post, long to horizontal support beam and short to horizontal support beam, the post assembled is installed on the basis to through the vertical concatenation of connecting piece, the outside of connecting piece is equipped with respectively long to connecting channel-section steel and short to connecting the I-steel, long to horizontal support beam and long to being connected channel-section steel bracket apron formula be assembled between/be connected between, short to horizontal support beam and short to being connected the I-steel and passing through connecting plate and bolt fixed connection. The utility model discloses a component can unify standard modularization, and processing is accomplished in the factory, and the scene is directly assembled, and it is very convenient to install, and labour saving and time saving satisfies the assembled demand, and the wholeness is good, and the bearing capacity is strong, and the deformation displacement is little, and the quality is reliable, safety, convenient to detach can reuse, can practice thrift the cost.
Description
Technical Field
The utility model relates to a support frame for excavation supporting based on steel construction assembly.
Background
With the acceleration of urban construction pace, urban space is continuously reduced, a large amount of deep foundation pit projects emerge along with high-rise buildings, and how to ensure the stability and the safety quality of a foundation pit is a great difficulty in the construction process. The support structure is most commonly applied to anchor-pull type and support type structures in current foundation pit engineering. Compared with an anchor pull type structure, the support type structure has the advantages of small occupied area, small influence range and better strength and overall rigidity, and is widely applied to a foundation pit support system. The internal supports adopted by the domestic foundation pit supporting engineering are generally reinforced concrete supports and steel supports. The reinforced concrete support plane is flexible in arrangement, high in rigidity and good in stability, but the construction period is long, materials cannot be reused, the reinforced concrete support plane is not easy to dismantle, and pollution is easily caused. The steel support is formed by using a steel pipe or a section steel member as an inner support of a foundation pit or welding a steel pipe beam and a steel pipe column, is troublesome to install and disassemble, cannot well meet the requirement of an assembly type, is poor in working stability, cannot be well recycled, and is not beneficial to saving cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an installation and dismantlement of being convenient for are provided, satisfy the assembled demand, and the wholeness is good, and the quality is safe reliably, can reuse, can practice thrift the cost based on steel construction assembly support frame for excavation supporting.
The utility model provides a technical scheme that its technical problem adopted is:
support frame for excavation supporting based on steel construction assembly, including basis, post, long to horizontal support beam and short to horizontal support beam, post assembled installs on the basis to through the vertical concatenation of connecting piece, the outside of connecting piece is equipped with respectively long to connecting channel-section steel and short to connecting the I-steel, long to horizontal support beam and long to being connected channel-section steel bracket apron formula be assembled between/be connected between, short to horizontal support beam and short to being connected the I-steel and passing through connecting plate and bolt fixed connection.
Further, the foundation is a prefabricated concrete foundation, and a cup opening is formed in the middle of the prefabricated concrete foundation.
Further, the column is a square steel pipe column or a round steel pipe column, and a limiting flange for assembling and connecting is arranged on the outer side of the square steel pipe column or the round steel pipe column.
Further, the connecting piece is a square steel pipe column or a round steel pipe column, and two ends of the square steel pipe column or the round steel pipe column are female sockets.
Further, bolt holes are formed in two sides of the longitudinal connecting channel steel, and bolt holes are formed in the upper portion, the middle portion and the lower portion of the short connecting channel steel respectively.
Furthermore, long to horizontal support beam installs in long to connecting the channel-section steel to place the cell type apron in long to horizontal support beam top, the cell type apron passes through bolt and long to being connected channel-section steel fixed connection.
Furthermore, the long-direction horizontal supporting beam and the short-direction horizontal supporting beam are I-shaped beams.
Compared with the prior art, the utility model discloses following beneficial effect has: (1) the components can be modularized in a unified standard, are processed in a factory, are directly assembled on site, are very convenient to install, save time and labor and meet the assembly requirement; (2) the integrity is good, the bearing capacity is strong, the deformation displacement is small, the quality is reliable and safe; (3) convenient to detach, can reuse, can practice thrift the cost.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the embodiment of FIG. 1 showing the connection of the post to the foundation;
FIG. 3 is an assembled view of the post of FIG. 2 in connection with a foundation;
FIG. 4 is a schematic diagram of the vertical column splicing of the embodiment of FIG. 1;
FIG. 5 is an assembled schematic view of the vertical split joint of the columns shown in FIG. 4;
FIG. 6 is a schematic view of the assembly connection between the long horizontal support beam and the long connecting channel steel bracket cover plate of the embodiment shown in FIG. 1;
FIG. 7 is a schematic view of the connection structure of the short horizontal support beam and the short connection I-beam of the embodiment shown in FIG. 1;
FIG. 8 is a schematic view of the connection structure of the long horizontal support beam, the short horizontal support beam and the connecting member of the embodiment shown in FIG. 1;
FIG. 9 is a schematic view of the embodiment shown in FIG. 1 in use;
in the figure: 1. the hydraulic servo jack comprises a foundation, 2 columns, 3 long horizontal supporting beams, 4 short horizontal supporting beams, 5 connecting pieces, 5-1 long connecting channel steel, 5-2 short connecting I-shaped steel, 6 row piles, 7 waist beams and 8 hydraulic servo jacks.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-9, a support frame for excavation supporting based on steel construction assembly, includes basis 1, post 2, long to horizontal support beam 3 and short to horizontal support beam 4, 2 assembled installations on basis 1 of post to through the vertical concatenation of connecting piece 5, the outside of connecting piece 5 is equipped with respectively long to connecting channel-section steel 5-1 and short to connecting I-steel 5-2, long to horizontal support beam 3 and long to connecting channel-section steel 5-1 bracket apron formula be assembled between, short to horizontal support beam 4 and short to connecting I-steel 5-2 through connecting plate and bolt fixed connection.
In this embodiment, the foundation 1 is a precast concrete foundation, a cup opening is arranged in the middle of the precast concrete foundation, and the cup opening is a square hole.
In this embodiment, the column 2 is a square steel pipe column, and a limiting flange for assembling and connecting is arranged on the outer side of the square steel pipe column. The position of the limit flange is related to specific installation conditions, such as the depth of the jack of the foundation 1, the length of the connecting piece 5 and the like. Of course, the column 2 may be a circular steel pipe column.
In this embodiment, the connecting piece 5 is a square steel pipe column, and two ends of the square steel pipe column are female sockets. Of course, the connecting piece 5 can also be a round steel pipe column.
In this embodiment, bolt holes are formed in two sides of the longitudinal connecting channel steel 5-1, and bolt holes are formed in the upper, middle and lower portions of the short connecting channel steel 5-2.
In this embodiment, the long horizontal support beam 3 is installed in the long horizontal connection channel 5-1, and a groove-shaped cover plate is placed above the long horizontal support beam 3 and is fixedly connected with the long horizontal connection channel 5-1 through bolts.
In this embodiment, the long horizontal support beam 3 and the short horizontal support beam 4 are i-beams.
When the support frame is used, the support frame needs to be combined with the row piles 6 and the waist beams 7 to complete support, wherein the row piles 6 are installed on the inner wall of a foundation pit, the waist beams 7 are installed on the row piles 6, and the end parts of the long horizontal support beams 3 of the support frame are in contact with the waist beams 7 to support. Of course, other forms of support may be incorporated.
In addition, a hydraulic servo jack 8 and a pressure sensor (not shown in the figure) can be arranged between the waist beam 7 and the end part of the long horizontal supporting beam 3 of the supporting frame, wherein the pressure sensor is positioned between the hydraulic servo jack 8 and the end part of the long horizontal supporting beam 3 (the hydraulic servo jack 8 and the pressure sensor can be supported by arranging a tray at the end part of the long horizontal supporting beam 3), a pressure early warning value is set, the stress condition of the long horizontal supporting beam 3 is monitored in real time, and the working state of the hydraulic servo jack 8 is adjusted by a control room through a hydraulic station according to the stress condition; strain sensors (not shown in the figure) are arranged on the supporting frame, deformation early warning values are set, and the deformation condition of the long horizontal supporting beam 3 is monitored in real time.
Claims (7)
1. Support frame for foundation ditch support based on steel construction assembly, its characterized in that: including basis, post, long to horizontal support beam and short to horizontal support beam, the post assembled is installed on the basis to through the vertical concatenation of connecting piece, the outside of connecting piece is equipped with respectively long to connecting channel-section steel and short to connecting the I-steel, long to horizontal support beam and long to being connected channel-section steel bracket apron formula be assembled between/be connected, short to horizontal support beam and short to being connected the I-steel and passing through connecting plate and bolt fixed connection.
2. The support frame for foundation pit support based on steel structure assembly of claim 1, wherein: the foundation is a prefabricated concrete foundation, and a cup opening is formed in the middle of the prefabricated concrete foundation.
3. The support frame for foundation pit support based on steel structure assembly of claim 1 or 2, wherein: the column is a square steel pipe column or a round steel pipe column, and the outer side of the square steel pipe column or the round steel pipe column is provided with a limiting flange for assembling and connecting.
4. The support frame for foundation pit support based on steel structure assembly of claim 1 or 2, wherein: the connecting piece is a square steel pipe column or a round steel pipe column, and two ends of the square steel pipe column or the round steel pipe column are female bell and spigot ports.
5. The support frame for foundation pit support based on steel structure assembly of claim 1 or 2, wherein: bolt holes are formed in two sides of the longitudinal connecting channel steel, and bolt holes are formed in the upper portion, the middle portion and the lower portion of the short connecting channel steel respectively.
6. The support frame for foundation pit support based on steel structure assembly of claim 5, characterized in that: the long horizontal supporting beam is arranged in the long connecting channel steel, and the groove-shaped cover plate is arranged above the long horizontal supporting beam and is fixedly connected with the long connecting channel steel through bolts.
7. The support frame for foundation pit support based on steel structure assembly of claim 1 or 2, wherein: the long horizontal supporting beam and the short horizontal supporting beam are I-shaped beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222435566.XU CN217974418U (en) | 2022-09-15 | 2022-09-15 | Supporting frame for foundation pit supporting based on steel structure assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222435566.XU CN217974418U (en) | 2022-09-15 | 2022-09-15 | Supporting frame for foundation pit supporting based on steel structure assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217974418U true CN217974418U (en) | 2022-12-06 |
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ID=84264122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222435566.XU Active CN217974418U (en) | 2022-09-15 | 2022-09-15 | Supporting frame for foundation pit supporting based on steel structure assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217974418U (en) |
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2022
- 2022-09-15 CN CN202222435566.XU patent/CN217974418U/en active Active
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