CN212742569U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN212742569U CN212742569U CN202021497675.9U CN202021497675U CN212742569U CN 212742569 U CN212742569 U CN 212742569U CN 202021497675 U CN202021497675 U CN 202021497675U CN 212742569 U CN212742569 U CN 212742569U
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- cross beam
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- foundation pit
- sleeve
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Abstract
The utility model relates to a foundation pit supporting structure, which comprises a foundation pit body, wherein a plurality of groups of supporting components are arranged in the foundation pit body, each supporting component comprises a left cross beam and a right cross beam, two opposite ends of the left cross beam and the right cross beam are commonly sleeved with a sleeve, the sleeves are hollow, one end of the left cross beam matched with the sleeves is provided with a first external thread, one end of the right cross beam matched with the sleeves is provided with a second external thread, the rotation directions of the first external thread and the second external thread are opposite, and the sleeves are in threaded fit with the left cross beam and the right cross beam; fixing components for fixedly connecting the supporting components to the side wall of the foundation pit body are arranged at two ends of each supporting component; be equipped with the supporting component who is used for supporting the subassembly under the sheathed tube, this application has the reuse rate that improves the crossbeam, reduces construction cost's effect.
Description
Technical Field
The application relates to the technical field of foundation pit construction engineering, in particular to a foundation pit supporting structure.
Background
The foundation pit is a space below the ground excavated for constructing a foundation and a basement of a building (including a structure).
At present, support piles and horizontal beams are generally adopted in foundation pit construction to serve as a foundation pit support structure, so that deformation of the surrounding environment of a foundation pit and collapse of the foundation pit are prevented, and smooth construction of engineering construction is guaranteed.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the foundation pit construction is finished, the cross beam can be generally dismantled, and because the length of the cross beam is fixed, the cross beam is difficult to be repeatedly used in a newly excavated foundation pit, the repeated utilization rate is reduced, and the construction cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to improve the reuse rate of crossbeam, reduce construction cost, this application provides a foundation ditch supporting construction.
The application provides a foundation ditch supporting construction adopts following technical scheme: a foundation pit supporting structure comprises a foundation pit body, wherein a plurality of groups of supporting assemblies are arranged in the foundation pit body, each supporting assembly comprises a left cross beam and a right cross beam, two opposite ends of the left cross beam and the right cross beam are jointly sleeved with a sleeve, the sleeves are hollow, a first external thread is arranged at one end, matched with the sleeves, of the left cross beam, a second external thread is arranged at one end, matched with the sleeves, of the right cross beam, the first external thread and the second external thread are opposite in rotation direction, and the sleeves are in threaded fit with the left cross beam and the right cross beam; fixing components for fixedly connecting the supporting components to the side wall of the foundation pit body are arranged at two ends of each supporting component; a supporting component for supporting the supporting component is arranged right below the sleeve.
By adopting the technical scheme, the supporting assembly is fixedly connected with the foundation pit body by the fixing assembly, and is supported by the supporting assembly, so that the stability of the supporting assembly is improved; after the foundation pit construction is finished, sequentially removing the supporting assembly, the supporting assembly and the fixing assembly, wherein the removed supporting assembly, supporting assembly and fixing assembly can be put into use in the newly excavated foundation pit; when the size of foundation ditch changes, the sleeve pipe rotates, because the first external screw thread is opposite with the soon of second external screw thread, consequently left crossbeam and right crossbeam can move in opposite directions or back of the body mutually, and the total length of strutting the subassembly obtains adjusting, and the subassembly of strutting can adapt to not unidimensional foundation ditch, and the rate of reuse of strutting the subassembly obtains improving, and construction cost reduces.
Preferably: the left cross beam and the right cross beam are hollow, a first through hole is formed in one end, close to the right cross beam, of the left cross beam, a second through hole is formed in one end, close to the left cross beam, of the right cross beam, and supporting rods are matched in the first through hole and the second through hole in a sliding mode; the inner diameters of the left cross beam and the right cross beam are both larger than the outer diameter of the supporting rod.
Through adopting above-mentioned technical scheme, the bracing piece can further improve the stability that left crossbeam and right crossbeam are connected, improves the stability of strutting the subassembly.
Preferably: and a first stop ring and a second stop ring are fixedly arranged at two ends of the supporting rod respectively, the first stop ring is in sliding fit with the left cross beam, and the second stop ring is in sliding fit with the right cross beam.
By adopting the technical scheme, the first stop ring is in sliding fit with the left cross beam, so that the matching stability of the supporting rod and the left cross beam is improved, and the second stop ring is in sliding fit with the right cross beam, so that the matching stability of the supporting rod and the right cross beam is improved; the first stop ring and the second stop ring can enable the support rod to always keep a better matching relation with the left cross beam and the right cross beam.
Preferably: the fixing assembly comprises a fixing seat, and four corners of the fixing seat are fixedly connected with the side wall of the foundation pit body through bolts; one side of the fixing seat corresponding to the side wall of the foundation pit body is fixedly provided with a plurality of protruding spines, a groove is reserved in the side wall of the foundation pit body, and the protruding spines are in butt fit with the grooves.
Through adopting above-mentioned technical scheme, the fixing base passes through the bolt and realizes dismantling the link with the lateral wall of foundation ditch body, and the butt cooperation of spurt and recess has increased the area of contact of fixing base with foundation ditch body lateral wall, has improved the stability of being connected of fixing base and foundation ditch body lateral wall.
Preferably: the fixing base has set firmly two just right and the first engaging lug that has the interval in the one side that is close to the subassembly of strutting, is equipped with the second engaging lug in the first engaging lug, and the one end that the first engaging lug was kept away from to the second engaging lug is respectively with left crossbeam and right crossbeam rigid coupling, wears to be equipped with the round pin axle in first engaging lug and the second engaging lug.
Through adopting above-mentioned technical scheme, because the lateral wall of foundation ditch body is the inclined plane sometimes, the setting of round pin axle is articulated the connection to the fixed plate respectively with left crossbeam and right crossbeam, and when the fixed plate was installed at the lateral wall of the foundation ditch body of slope, the contained angle of left crossbeam and right crossbeam and fixed plate can change to the inclination of adaptation foundation ditch body lateral wall.
Preferably: and one end of the pin shaft penetrating through the first connecting lug is in threaded connection with a limiting bolt.
Through adopting above-mentioned technical scheme, spacing bolt can prevent that the round pin axle from breaking away from first engaging lug and second engaging lug, improves the reliability of being connected of round pin axle and first engaging lug and second engaging lug.
Preferably: the supporting component comprises a supporting column, an adjusting column and a supporting block, the adjusting column is located between the supporting column and the supporting block, the adjusting column is in threaded fit with the supporting column, the adjusting column is rotatably connected with the supporting block, and the supporting block is in butt fit with the sleeve.
By adopting the technical scheme, the supporting component can support the supporting component, so that the stability of the supporting component is improved; when the support assembly is used for a long time and the sleeve sags, the adjusting column is rotated to enable the supporting block to vertically move upwards so that the sleeve can move to an ideal position, and the support assembly can always keep a good support effect; after the foundation pit construction is finished, the supporting assembly can be moved away after the supporting block is separated from the sleeve by rotating the adjusting column.
Preferably: and a handle is fixedly arranged on the circumferential outer wall of the adjusting column.
Through adopting above-mentioned technical scheme, can more easily rotate the regulation post with the help of the handle.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the sleeve in threaded fit with the left cross beam and the right cross beam, the total length of the supporting assembly can be flexibly changed to adapt to foundation pits of different sizes, the reuse rate of the supporting assembly is improved, and the construction cost is reduced;
2. the left cross beam and the right cross beam are hinged with the fixed seat through the pin shaft, so that the fixed seat can be arranged on the side wall of the inclined foundation pit body;
3. through setting up the regulation post, adjust the height that the support assembly can be adjusted to the post, increased support assembly's application range.
Drawings
Fig. 1 is a schematic structural view of a foundation pit supporting structure in an embodiment of the present application;
figure 2 is a schematic structural view showing a support assembly;
FIG. 3 is a partial cross-sectional view embodying a support rod;
FIG. 4 is an exploded view of an embodiment of a groove;
FIG. 5 is a schematic structural view showing the connection relationship between the left cross beam and the fixing assembly;
FIG. 6 is a schematic structural diagram showing the connection relationship between the right cross beam and the fixing assembly.
In the figure, 1, a foundation pit body; 11. a groove; 2. a support assembly; 21. a left cross beam; 211. a first through hole; 212. a first external thread; 22. a right cross member; 221. a second through hole; 222. a second external thread; 23. a sleeve; 24. a support bar; 241. a stop ring; 3. a fixing assembly; 31. a fixed seat; 311. bur protruding; 32. a first connecting lug; 33. a second engaging lug; 34. a pin shaft; 341. a limit bolt; 4. a support assembly; 41. a pillar; 42. an adjustment column; 421. a handle; 43. and (7) a supporting block.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Referring to fig. 1, the foundation pit supporting structure disclosed by the application comprises a foundation pit body 1, wherein a horizontal supporting component 2 is arranged in the foundation pit body 1, fixing components 3 are arranged at two ends of the supporting component 2, the supporting component 2 is fixedly connected with the foundation pit body 1 through the fixing components 3, a supporting component 4 is arranged right below the supporting component 2, and the supporting component 2 is supported by the supporting component 4 to enhance the stability of the supporting component 2; during construction, a reinforcing mesh is usually installed on the side wall of the foundation pit body 1, concrete is sprayed on the side wall, the supporting component 2 is connected to the side wall of the foundation pit body 1 to support the foundation pit body 1, the possibility of deformation of the surrounding environment of the foundation pit body 1 and collapse of the foundation pit body 1 is reduced, and smooth construction of engineering construction is guaranteed.
Referring to fig. 1 and 2, the support assembly 2 includes a left cross beam 21 and a right cross beam 22, a sleeve 23 is sleeved at two opposite ends of the left cross beam 21 and the right cross beam 22, the sleeve 23 is hollow inside, a first external thread 212 is arranged on the circumferential outer wall of one end of the left cross beam 21 matched with the sleeve 23, a second external thread 222 is arranged on the circumferential outer wall of one end of the right cross beam 22 matched with the sleeve 23, the turning directions of the first external thread 212 and the second external thread 222 are opposite, the sleeve 23 is respectively in threaded fit with the left cross beam 21 and the right cross beam 22, the sleeve 23 is rotated, the left cross beam 21 and the right cross beam 22 can be close to or far away from each other, and the total.
Referring to fig. 2 and 3, the left beam 21 and the right beam 22 are both hollow, a first through hole 211 is formed in one end of the left beam 21 close to the right beam 22, a second through hole 221 is formed in one end of the right beam 22 close to the left beam 21, the support rod 24 is matched in the first through hole 211 and the second through hole 221 in a sliding mode, the inner diameters of the left beam 21 and the right beam 22 are the same and are larger than the outer diameter of the support rod 24, and the inner diameters of the first through hole 211 and the second through hole 221 are the same and are equal to the outer diameter of the support rod 24; the support rod 24 further improves the connection stability of the left cross beam 21 and the right cross beam 22, and further improves the stability of the support assembly 2; two ends of the support rod 24 are respectively fixedly provided with a stop ring 241, the two stop rings 241 are respectively positioned in the left cross beam 21 and the right cross beam 22, and the two stop rings 241 are respectively in sliding fit with the inner wall of the left cross beam 21 and the inner wall of the right cross beam 22; the two stop rings 241 can make the two ends of the support rod 24 always located inside the left cross beam 21 and the right cross beam 22, so as to improve the connection firmness of the support rod 24 with the left cross beam 21 and the right cross beam 22.
Referring to fig. 4, the fixing assembly 3 includes a fixing seat 31, the four corners of the fixing seat 31 are fixedly connected to the side wall of the foundation pit body 1 through bolts, a plurality of burs 311 are fixedly arranged on the side of the fixing seat 31 opposite to the side wall of the foundation pit body 1, the side wall of the foundation pit body 1 is provided with a groove 11 opposite to the bur 311, the burs 311 are abutted to the groove 11, and the connection stability between the fixing seat 31 and the foundation pit body 1 is improved by the abutment between the burs 311 and the groove 11.
Referring to fig. 5 and 6, two opposite first connecting lugs 32 with a distance are fixedly arranged on one side of the fixed seat 31 close to the supporting component 2, a second connecting lug 33 is arranged between the first connecting lugs 32, and one end of the second connecting lug 33 far away from the first connecting lug 32 is fixedly connected with one end close to the left cross beam 21 or the right cross beam 22 respectively; the two first connecting lugs 32 and the second connecting lug 33 are jointly provided with the pin shaft 34 in a penetrating mode, one end, penetrating out of the first connecting lug 32, of the pin shaft 34 is connected with the limiting bolt 341 in a threaded mode, the limiting bolt 341 is perpendicular to the axis of the pin shaft 34, and the connecting reliability of the pin shaft 34 and the first connecting lug 32 and the second connecting lug 33 is improved through the limiting bolt 341.
Referring to fig. 2, the supporting assembly 4 includes a vertical pillar 41, a lower surface of the pillar 41 abuts against the bottom of the foundation pit body 1, a vertical adjusting column 42 is in threaded fit with a top end of the pillar 41, one end of the adjusting column 42, which is far away from the pillar 41, is rotatably connected with a supporting block 43, an upper surface of the supporting block 43 abuts against and is matched with a circumferential outer wall of the casing 23, and an upper surface of the supporting block 43 is provided with a concave arc surface to increase a contact area with the casing 23, so that supporting stability of the casing 23 is improved; the circumference outer wall of adjusting post 42 sets firmly handle 421, can rotate adjusting post 42 with the help of handle 421 more easily to adjust the vertical height of supporting shoe 43.
The implementation principle of the embodiment is as follows: one side of the fixed seat 31, on which the spurs 311 are fixedly arranged, faces the side wall of the foundation pit body 1, the spurs 311 are inserted into the grooves 11, the fixed seat 31 is fixedly connected with the side wall of the foundation pit body 1 through bolts, the support component 2 is lifted to enable the second connecting lugs 33 to be located between the two first connecting lugs 32, the pin shaft 34 penetrates through the two first connecting lugs 32 and the second connecting lugs 33 to hinge the left cross beam 21 and the right cross beam 22, the sleeve 23 is rotated to enable the left cross beam 21 and the right cross beam 22 to be away from each other, the left cross beam 21 and the right cross beam 22 can tightly abut against the side wall of the foundation pit body 1 through the fixed seat 31, and the stability of the foundation pit; moving the supporting component 4 to the position right below the sleeve 23, rotating the adjusting column 42 by means of the handle 421, enabling the supporting block 43 to be close to the sleeve 23 and abut against the sleeve 23, and supporting the supporting component 2 by the supporting component 4 through the abutting fit of the supporting block 43 and the sleeve 23; after the foundation pit body 1 is constructed, the supporting block 43 is far away from the sleeve 23 by rotating the adjusting column 42, namely the supporting component 4 can be moved away and put into use in the newly excavated foundation pit, the connection between the supporting component 2 and the fixing component 3 is removed, and the supporting component 2 and the fixing component 3 can be put into use in the newly excavated foundation pit; the distance between the left cross beam 21 and the right cross beam 22 can be close to or far away from, and the total length of the supporting assembly 2 can be changed, so that the supporting assembly is suitable for foundation pit bodies 1 with different lengths, the reuse rate of the supporting assembly 2 is improved, and the construction cost is reduced.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a foundation ditch supporting construction, includes foundation ditch body (1), its characterized in that: the foundation pit supporting structure is characterized in that a plurality of groups of supporting assemblies (2) are arranged in the foundation pit body (1), each supporting assembly (2) comprises a left cross beam (21) and a right cross beam (22), two opposite ends of the left cross beam (21) and the right cross beam (22) are jointly sleeved with a sleeve (23), the sleeves (23) are hollow, a first external thread (212) is formed at one matched end of the left cross beam (21) and the sleeve (23), a second external thread (222) is formed at one matched end of the right cross beam (22) and the sleeve (23), the rotating directions of the first external thread (212) and the second external thread (222) are opposite, and the sleeve (23) is in threaded fit with the left cross beam (21) and the right cross beam; both ends of the supporting component (2) are provided with fixing components (3) which fixedly connect the supporting component (2) to the side wall of the foundation pit body (1); a supporting component (4) used for supporting the supporting component (2) is arranged right below the sleeve (23).
2. A foundation pit supporting construction according to claim 1, wherein: the left crossbeam (21) and the right crossbeam (22) are all hollow, a first through hole (211) is opened at one end of the left crossbeam (21) close to the right crossbeam (22), a second through hole (221) is opened at one end of the right crossbeam (22) close to the left crossbeam (21), and a support rod (24) is arranged in the first through hole (211) and the second through hole (221) in a sliding fit mode.
3. A foundation pit supporting construction according to claim 2, wherein: the inner diameters of the left cross beam (21) and the right cross beam (22) are both larger than the outer diameter of the support rod (24), and the inner diameters of the first through hole (211) and the second through hole (221) are the same and equal to the outer diameter of the support rod (24); two ends of the supporting rod (24) are respectively and fixedly provided with a first stop ring (241) and a second stop ring (241), the first stop ring (241) is in sliding fit with the left cross beam (21), and the second stop ring (241) is in sliding fit with the right cross beam (22).
4. A foundation pit supporting construction according to claim 1, wherein: the fixing component (3) comprises a fixing seat (31), and the four corners of the fixing seat (31) are fixedly connected with the side wall of the foundation pit body (1) through bolts; one side of the fixing seat (31) corresponding to the side wall of the foundation pit body (1) is fixedly provided with a plurality of protruding spines (311), the side wall of the foundation pit body (1) is reserved with a groove (11), and the protruding spines (311) are in butt fit with the groove (11).
5. A foundation pit supporting construction according to claim 4, wherein: fixing base (31) are close to one side of strutting subassembly (2) and are set firmly two just right and have interval first engaging lug (32), are equipped with second engaging lug (33) in first engaging lug (32), and the one end that first engaging lug (32) were kept away from in second engaging lug (33) is respectively with left crossbeam (21) or right crossbeam (22) rigid coupling, wears to be equipped with round pin axle (34) in first engaging lug (32) and the second engaging lug (33).
6. A foundation pit supporting construction according to claim 5, wherein: and one end of the pin shaft (34) penetrating through the first connecting lug (32) is in threaded connection with a limiting bolt (341).
7. A foundation pit supporting construction according to claim 1, wherein: the supporting assembly (4) comprises a supporting column (41), an adjusting column (42) and a supporting block (43), the adjusting column (42) is located between the supporting column (41) and the supporting block (43), the adjusting column (42) is in threaded fit with the supporting column (41), the adjusting column (42) is in rotating connection with the supporting block (43), and the supporting block (43) is in butt fit with the sleeve (23).
8. A foundation pit supporting construction according to claim 7, wherein: and a handle (421) is fixedly arranged on the circumferential outer wall of the adjusting column (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021497675.9U CN212742569U (en) | 2020-07-25 | 2020-07-25 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021497675.9U CN212742569U (en) | 2020-07-25 | 2020-07-25 | Foundation pit supporting structure |
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| Publication Number | Publication Date |
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| CN212742569U true CN212742569U (en) | 2021-03-19 |
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| CN202021497675.9U Active CN212742569U (en) | 2020-07-25 | 2020-07-25 | Foundation pit supporting structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529802A (en) * | 2021-08-31 | 2021-10-22 | 昆明理工大学 | Large-diameter plastic inspection well and installation and construction method thereof |
| CN114635449A (en) * | 2021-12-27 | 2022-06-17 | 安徽省公路桥梁工程有限公司 | Multi-layer underground passage cross construction assembly based on BIM underground space and process thereof |
| CN114809018A (en) * | 2022-05-26 | 2022-07-29 | 广东广强基础工程有限公司 | Foundation pit supporting system and construction method thereof |
| CN115217117A (en) * | 2022-07-29 | 2022-10-21 | 汕尾市广投建设工程有限公司 | Foundation pit supporting structure and construction method thereof |
-
2020
- 2020-07-25 CN CN202021497675.9U patent/CN212742569U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529802A (en) * | 2021-08-31 | 2021-10-22 | 昆明理工大学 | Large-diameter plastic inspection well and installation and construction method thereof |
| CN114635449A (en) * | 2021-12-27 | 2022-06-17 | 安徽省公路桥梁工程有限公司 | Multi-layer underground passage cross construction assembly based on BIM underground space and process thereof |
| CN114635449B (en) * | 2021-12-27 | 2024-02-06 | 安徽省公路桥梁工程有限公司 | Multilayer underground passage cross construction assembly based on BIM underground space and process thereof |
| CN114809018A (en) * | 2022-05-26 | 2022-07-29 | 广东广强基础工程有限公司 | Foundation pit supporting system and construction method thereof |
| CN115217117A (en) * | 2022-07-29 | 2022-10-21 | 汕尾市广投建设工程有限公司 | Foundation pit supporting structure and construction method thereof |
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