CN216043755U - Assembled temporary support for large-span dome cavern - Google Patents
Assembled temporary support for large-span dome cavern Download PDFInfo
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- CN216043755U CN216043755U CN202121506251.9U CN202121506251U CN216043755U CN 216043755 U CN216043755 U CN 216043755U CN 202121506251 U CN202121506251 U CN 202121506251U CN 216043755 U CN216043755 U CN 216043755U
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Abstract
An assembled temporary support for a large-span dome cavern comprises a quadrilateral component (15), an upper support column (2), a lower support column (1), an adjusting column (5) and a support plate (11). The quadrilateral component comprises two telescopic steel upright posts (3) and two telescopic parallel links (9); the two parallel telescopic parallel couplings are vertically arranged on the two parallel telescopic steel upright posts; the telescopic horizontal communication is vertically connected between the telescopic steel upright posts through the vertical flange; a cross brace (8) is arranged in the quadrilateral component; the cross brace is used for adjusting the height and the width of the bracket and supporting the quadrilateral component. Two pier studs (10) are welded on the supporting plate; two inclined struts (12) are arranged between the upper supporting column and the supporting plate. The utility model can realize the accurate adjustment of the height and the width of the bracket; the utility model has simple structure, fast bracket installation speed, no need of large human input, repeated utilization of bracket materials and saving of a large amount of time.
Description
Technical Field
The utility model relates to an assembled temporary support for a large-span dome cavern, and belongs to the technical field of geotechnical engineering.
Background
At present, in the process of excavation and support of a large-span dome cavern, the research on temporary supports is less, prefabricated rectangular steel supports are mostly adopted, a reinforcing mesh is arranged between the steel supports, concrete is sprayed and protected, two anchor rods are driven into the reinforcing mesh at intervals of about one meter, the anchor rods are welded on steel struts, and the effect of fixing the steel supports is achieved.
However, supports with different lengths are often needed in the supporting process, so that the steel pillars must be cut, and the recycling difficulty of the cut fragmentary steel pillars is high, thereby causing a great deal of waste. Moreover, the traditional support is complex to install in the construction process, takes a large amount of time and delays the progress of the project.
Disclosure of Invention
The utility model aims to solve the problems of excavation and support of a large-span dome cavern, and provides an assembled temporary support for the large-span dome cavern.
The technical scheme of the utility model is that the assembled temporary support for the large-span dome cavern comprises a quadrilateral component, an upper support column, a lower support column, an adjusting column and a support plate.
The quadrilateral component comprises two telescopic steel upright posts and two telescopic parallel links; the two parallel telescopic parallel couplings are vertically arranged on the two parallel telescopic steel upright posts; the telescopic horizontal communication is vertically connected between the telescopic steel upright posts through the vertical flange; a cross brace is arranged in the quadrilateral component; the cross brace is used for adjusting the height and the width of the bracket and supporting the quadrilateral component.
The telescopic steel upright column is vertically embedded between the adjusting column and the lower supporting column and is connected through a horizontal flange; the rigid base is arranged below the lower support column.
The upper end of the upper support column is welded with the backing plate, and the lower end of the upper support column is connected with the adjusting column; the backing plate is fixed with the supporting plate through bolts.
Two pier stud welding are in the backup pad, pier stud upper end and for the bolted connection of the connecting piece on the framework of steel reinforcement.
A plurality of axial circular through holes with the same diameter are uniformly formed in the length direction of the upper supporting column and the adjusting column; go up the support column plug bush in adjusting the post, flexible screw rod passes round through-hole on adjusting the post and goes up round through-hole on the support column and links together with telescopic nut, adjusts the position of going up the through-hole on support column and the regulation post, finely tunes the height of support.
The quadrilateral components are used for adjusting the height and the width of the bracket by changing the angle of the cross braces.
The four ends of the scissor supports are fixed on the telescopic parallel pull lugs.
The rigid base and the lower support column are connected through bolts.
Two inclined struts are arranged between the upper supporting column and the supporting plate.
The two pier studs are symmetrically distributed on the supporting plate.
The utility model has the advantages that the structure is simple, the mounting speed of the bracket is high, a large amount of manpower investment is not needed, the bracket material can be repeatedly utilized, and a large amount of time is saved; in addition, the utility model can realize the accurate adjustment of the height and the width of the bracket, change the angle of the cross brace to control the quadrilateral component and support the quadrilateral component; can carry out a general regulation to the height and the width of support like this, set up on this basis and adjust the post and go up the support column and come to finely tune the height of support, reach the purpose of accurate adjustment.
Drawings
FIG. 1 is an elevation view of a fabricated temporary support for a large span dome cavern in accordance with an embodiment of the present invention;
FIG. 2 is a top pier side view of a fabricated temporary support for a large span dome cavern in accordance with an embodiment of the present invention;
fig. 3 is a partial connection schematic view of an upper support column and an adjusting column of an assembled temporary support for a large-span dome cavern according to an embodiment of the utility model.
In the figure, 1 is a lower support column; 2 is an upper supporting column; 3 is a telescopic steel upright post; 4 is a rigid base; 5 is an adjusting column; 6 is a flange; 7 is a telescopic screw rod; 8 is a cross brace; 9 is a telescopic parallel connection; 10 is a pier stud; 11 is a supporting plate; 12 is an inclined strut; 13 is a backing plate; 14 is a connecting piece; 15 is a quadrangular member; 16 is a telescopic nut.
Detailed Description
A specific embodiment of the present invention is shown in fig. 1.
The embodiment relates to an assembled temporary support for a large-span dome cavern, which comprises a quadrilateral member 15, an upper support column 2, a lower support column 1, an adjusting column 5 and a support plate 11.
Two parallel lower support columns 1 are respectively fixed with the rigid base 4 by bolts; two telescopic steel upright posts 3 are vertically embedded between the lower support column 1 and the adjusting column 5 respectively and are connected through a horizontal flange 6; the two parallel telescopic parallel couplings 9 are vertically arranged between the two parallel telescopic steel upright posts 3 to form a quadrilateral component 15; set up a scissors support 8 between the quadrangle component 15, four ends of scissors support all are fixed on the flexible parallel connection 9 tab, change the height and the width that the support can roughly be adjusted to the angle of scissors support 8 to can support quadrangle component 15, adjust the through-hole position of last support column 2 and regulation post 5, and fix with telescopic screw 7 and telescopic nut 5, reach the effect to the high accurate regulation of support, as shown in fig. 3.
A backing plate 13 is welded at the upper end of the upper supporting column 2, the backing plate 13 is connected with the supporting plate 11 through a bolt, two symmetrical inclined supports 12 are arranged between the upper supporting column 2 and the supporting plate 11, two pier columns 10 are welded on the supporting plate 11, and the top ends of the pier columns 10 are connected with a connecting piece 14 welded on a steel reinforcement framework through bolts, as shown in figure 2.
The manufacturing and using steps of the utility model comprise:
the lower support column 1, the upper support column 2, the telescopic steel upright column 3, the telescopic parallel connection 9, the adjusting column 5 and the support plate 11 are connected into a whole through a flange 6, a telescopic screw rod 7 and a telescopic nut 16.
Mounting the inclined strut 12; the pull lugs are prefabricated on the upper support column 2 and the support plate 11, and the inclined support 12 connects the upper support column 2 and the support plate 11 together through the pull lugs, so that the stress of the support plate is more reasonable.
The placement of the rigid base 4; the foundation is treated first to support the force from the top of the support, anchor bolts are embedded, and concrete is poured into the rigid base.
Claims (7)
1. An assembled temporary support for a large-span dome cavern, which is characterized by comprising a quadrilateral member, an upper support column, a lower support column, an adjusting column and a support plate;
the quadrilateral component comprises two telescopic steel upright posts and two telescopic parallel links; the two parallel telescopic parallel couplings are vertically arranged on the two parallel telescopic steel upright posts; the telescopic horizontal communication is vertically connected between the telescopic steel upright posts through the vertical flange; a cross brace is arranged in the quadrilateral component; the cross braces are used for adjusting the height and the width of the bracket and supporting the quadrilateral components;
the telescopic steel upright column is vertically embedded between the adjusting column and the lower supporting column and is connected through a horizontal flange; the rigid base is arranged below the lower support column;
the upper end of the upper support column is welded with the backing plate, and the lower end of the upper support column is connected with the adjusting column; the backing plate is fixed with the supporting plate through a bolt;
two pier stud welding are in the backup pad, pier stud upper end and for the bolted connection of the connecting piece on the framework of steel reinforcement.
2. The assembled temporary support for the large-span dome cavern as recited in claim 1, wherein a plurality of axial circular through holes with the same diameter are uniformly formed in the length direction of the upper support column and the adjusting column; go up the support column plug bush in adjusting the post, flexible screw rod passes round through-hole on adjusting the post and goes up round through-hole on the support column and links together with telescopic nut, adjusts the position of going up the through-hole on support column and the regulation post, finely tunes the height of support.
3. The fabricated temporary support for a large-span dome cavern as recited in claim 1, wherein the quadrilateral members are used for adjusting the height and width of the support by changing the angle of the cross braces.
4. The fabricated temporary support for a large-span dome cavern of claim 1, wherein the scissors four ends are fixed on telescopic parallel pulling lugs.
5. The fabricated temporary support for a large-span dome cavern of claim 1, wherein the rigid base and the lower support column are connected by bolts.
6. The fabricated temporary support for a large-span dome cavern of claim 1, wherein two inclined struts are arranged between the upper support column and the support plate.
7. The fabricated temporary support for a large-span dome cavern of claim 1, wherein the two piers are symmetrically distributed on the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506251.9U CN216043755U (en) | 2021-07-05 | 2021-07-05 | Assembled temporary support for large-span dome cavern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506251.9U CN216043755U (en) | 2021-07-05 | 2021-07-05 | Assembled temporary support for large-span dome cavern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043755U true CN216043755U (en) | 2022-03-15 |
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ID=80554858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121506251.9U Active CN216043755U (en) | 2021-07-05 | 2021-07-05 | Assembled temporary support for large-span dome cavern |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043755U (en) |
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2021
- 2021-07-05 CN CN202121506251.9U patent/CN216043755U/en active Active
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