CN213741114U - Concatenation formula excavation supporting device - Google Patents
Concatenation formula excavation supporting device Download PDFInfo
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- CN213741114U CN213741114U CN202022698816.XU CN202022698816U CN213741114U CN 213741114 U CN213741114 U CN 213741114U CN 202022698816 U CN202022698816 U CN 202022698816U CN 213741114 U CN213741114 U CN 213741114U
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- foundation pit
- plate
- supporting device
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- 238000009412 basement excavation Methods 0.000 title claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 12
- 230000002787 reinforcement Effects 0.000 description 6
- 210000002435 tendon Anatomy 0.000 description 6
- 239000011178 precast concrete Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The application relates to a spliced foundation pit supporting device, which relates to the field of foundation pit supporting devices and comprises a plurality of supporting plates, a plurality of supporting seats, a plurality of fixing rods and a plurality of reinforcing members, wherein each supporting plate comprises a plurality of splicing plates, the side walls of the splicing plates are fixedly connected with first connecting blocks, and the side walls of the splicing plates are provided with first grooves; the supporting seat comprises a first vertical plate and a second vertical plate, the first vertical plate is fixedly connected with the second vertical plate, a second connecting block is fixedly connected to the first vertical plate, a second groove is formed in the second vertical plate, and the supporting seat fixes the supporting plate through the second connecting block and the second groove; the fixing rod is used for fixing the splice plate, and the reinforcing member is used for reinforcing the supporting plate; during installation, a plurality of splicing plates are fixedly spliced into a supporting plate through a first connecting block and a first groove, and then a plurality of supporting plates are spliced into a supporting plane through the first connecting block and the first groove. This application has the effect that can shorten the construction cycle of installation supporting device.
Description
Technical Field
The application relates to the field of foundation pit supporting devices, in particular to a splicing type foundation pit supporting device.
Background
Along with the gradual shortage of urban land, the construction pace of basements is also gradually accelerated, foundation pit support becomes an important link of underground structure foundation pit excavation, and support piles are widely adopted as foundation pit support structures in foundation pit construction to prevent the deformation of the surrounding environment of the foundation pit and the collapse of the foundation pit, and ensure the smooth construction and the construction safety of engineering construction.
At present, as application for 201520487208.0 application document discloses an H type precast concrete stake and foundation ditch supporting device among the correlation technique, its technical essential is: the H-shaped precast concrete pile comprises a pile body, wherein the cross section of the pile body is H-shaped, the pile body consists of two flanges which are symmetrically arranged and a web plate which is arranged between the two flanges, prestressed tendons are arranged in the flanges, the direction of the prestressed tendons is consistent with the direction of the pile body, rectangular flange stirrups which are perpendicular to the direction of the prestressed tendons are arranged on the peripheries of the prestressed tendons, the prestressed tendons are distributed in a rectangular array along the inner edges of the flange stirrups, stressed steel bars are arranged in the web plate, and rectangular web plate stirrups are arranged on the stressed steel bars and the peripheries of the prestressed tendons in the flange, which are positioned in the area of the extension line of the web plate; the foundation pit supporting device comprises a foundation pit and a cement pile, wherein the cement pile is arranged along the side wall of the foundation pit, an H-shaped precast concrete pile is arranged in the cement pile in an occluded manner, the cement pile is a long spiral cast-in-place cement pile, a water-stop curtain wall is arranged on the outer side of the cement pile, and the water-stop curtain wall is a single-shaft cement mixing pile, a multi-shaft cement mixing pile, an occluded high-pressure jet grouting pile, a cement cast-in-place pile or a TRD (blast furnace dry chemical) pile construction method; the working principle is as follows: the method comprises the steps of constructing the waterproof curtain wall, constructing long spiral cast-in-place cement piles on the inner side of the waterproof curtain wall, inserting H-shaped precast concrete piles before the cement piles generate strength, and detecting the support piles and the waterproof curtain after the cement strength reaches design requirements.
In view of the above-mentioned related art, the inventor believes that the H-type precast concrete pile needs to wait for the poured concrete to harden when being installed, and has a problem that the construction period is prolonged due to an excessively long construction time.
SUMMERY OF THE UTILITY MODEL
In order to shorten the construction cycle of installation supporting device, this application provides a concatenation formula excavation supporting device.
The application provides a concatenation formula underground structure supporting device adopts following technical scheme:
the utility model provides a concatenation formula excavation supporting device, includes a plurality of backplate, prop up the first connecting block of backplate lateral wall fixed connection, prop up the backplate lateral wall and seted up first recess, first connecting block peg graft in the first recess, prop up the spacing tooth of backplate bottom fixedly connected with, spacing tooth is used for inserting the foundation ditch bottom.
Through adopting above-mentioned technical scheme, a plurality of supporting plates are pegged graft through first connecting block and first recess and are formed a plane, provide the support to the foundation ditch perisporium, prick into the foundation ditch bottom through spacing tooth, have improved the steadiness of supporting plate, adopt the connected mode that first connecting block and first recess were pegged graft to make supporting device's installation with demolish convenient high-efficient, effectively reduced installation supporting device's construction cycle.
Optionally, the supporting seat comprises a first vertical plate and a second vertical plate, the first vertical plate is fixedly connected with the second vertical plate, the first vertical plate and the second vertical plate form an included angle, the included angle is 90 degrees, a second connecting block is fixedly connected to the first vertical plate, a second groove is formed in the second vertical plate, the first vertical plate and the supporting and protecting plate are connected in a splicing mode through the second connecting block, the second vertical plate and the supporting and protecting plate are connected in a splicing mode through the first connecting block, and the second vertical plate and the supporting and protecting plate are connected in a splicing mode through the second connecting block.
Through adopting above-mentioned technical scheme, the first riser passes through the second connecting block and pegs graft with first recess, and the second riser passes through second recess and first connecting block joint, can be fixed with two supporting plates that are located foundation ditch corner for the supporting plate installation collocation of corner is inseparable, has strengthened the holistic steadiness of strutting arrangement.
Optionally, the supporting plate includes a plurality of splice plates, the first connecting block is fixedly connected to the splice plates, and the first groove is opened in the splice plates.
By adopting the technical scheme, two adjacent splicing plates are inserted into the first groove through the first connecting block, so that the splicing plates can be connected into a whole supporting and protecting plate, the size of the supporting and protecting plate can be adjusted through the splicing of the splicing plates in the process, the supporting and protecting plate is suitable for foundation pits with different sizes and depths, and the universality of the supporting and protecting device is enhanced.
Optionally, the splice plate further comprises a reinforcing member, and two ends of the reinforcing member are abutted to the splice plate.
Through adopting above-mentioned technical scheme, reinforcement both ends and splice plate butt can keep the stability of a backplate, have increased supporting device's steadiness.
Optionally, the reinforcing member includes at least two support rods, two adjacent support rods are coaxially connected by a thread, and the support rods located on the side portions are abutted to the splice plates.
Through adopting above-mentioned technical scheme, through rotating the bracing piece, can adjust the length of threaded connection section between the bracing piece to adjust the whole length of reinforcement, make the bracing piece and the splice plate of limit portion support tightly, thereby can be applicable to the foundation ditch of different width.
Optionally, the splice plate is provided with a concave hole.
Through adopting above-mentioned technical scheme, bracing piece one end butt is in the concave hole, can effectively reduce the gliding problem of bracing piece.
Optionally, the splice plate is rectangular, the shrinkage pool is seted up in the edge of splice plate, four adjacent the shrinkage pool forms a spacing hole, sleeve pipe one end butt in spacing downthehole, bracing piece one end butt in spacing downthehole.
Through adopting above-mentioned technical scheme, a reinforcement can support two double-phase neighbours four splice plates tightly, and the quantity of reinforcement can be reduced in the above-mentioned operation, has saved the required material of supporting device construction.
Optionally, the surface of the sleeve is provided with an anticorrosive coating, and the surface of the support rod is provided with an anticorrosive coating.
By adopting the technical scheme, the corrosion-resistant layer can reduce the problem that the sleeve and the supporting rod are corroded by the slag in the foundation pit, the threaded connection precision of the sleeve and the supporting rod is favorably kept, and the stability of the supporting device is enhanced.
Optionally, the splice plate is fixedly connected with a bump.
By adopting the technical scheme, when the splicing plates are installed or disassembled by workers, the bumps can provide acting points, and the labor intensity of the workers is favorably reduced.
Optionally, the splicing plate further comprises a fixing rod, through holes are formed in the protruding blocks, and the fixing rod sequentially penetrates through the through holes to fix the adjacent splicing plates.
Through adopting above-mentioned technical scheme, the dead lever can be fixed a plurality of splice plates, has strengthened the holistic steadiness of strutting arrangement.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the spliced foundation pit supporting device is provided with the plurality of supporting plates, and the supporting plates are inserted into the first grooves through the first connecting blocks, so that the supporting device is efficient and convenient to install and remove, and the construction period for installing the supporting device is shortened;
2. the utility model provides a pair of concatenation formula underground structure supporting device is provided with a supporting seat, and supporting seat can be fixed with two supporting plates that are located foundation ditch corner, has strengthened supporting device's steadiness.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a splice bar according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a support base according to an embodiment of the present application;
fig. 4 is a schematic structural view of a splice and a reinforcement according to an embodiment of the present application.
Description of reference numerals: 1. supporting the guard plate; 11. splicing plates; 111. concave holes; 112. a limiting hole; 113. a first connection block; 114. a first groove; 115. a bump; 1151. a through hole; 12. limiting teeth; 2. a support base; 21. a first vertical plate; 211. a second connecting block; 22. a second vertical plate; 221. a second groove; 3. a reinforcement; 31. a sleeve; 32. a support bar; 33. an anticorrosive layer; 4. and (5) fixing the rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses concatenation formula underground structure supporting device. Referring to fig. 1, a spliced type foundation pit supporting device includes a supporting plate 1, a supporting base 2, a fixing rod 4 and a reinforcing member 3.
Referring to fig. 1 and 2, the supporting and protecting plate 1 is provided with a plurality of supporting and protecting plates, one supporting and protecting plate 1 comprises a plurality of splicing plates 11, the splicing plates 11 are rectangular plates, two adjacent side walls of the splicing plates 11 are welded with first connecting blocks 113, other two side walls are provided with first grooves 114, the size of the first connecting blocks 113 is equal to that of the first grooves 114, two adjacent splicing plates 11 are spliced into one supporting and protecting plate 1 in the first grooves 114 through the first connecting blocks 113, and two adjacent supporting and protecting plates 1 are spliced into one supporting and protecting plane in the first grooves 114 through the first connecting blocks 113.
Referring to fig. 1 and 2, a plurality of limiting teeth 12 are welded on one side, close to the bottom of the foundation pit, of the splicing plate 11 located below, a convex block 115 is welded on one side, far away from the side wall of the foundation pit, of the splicing plate 11, a round hole is formed in the convex block 115, and the fixing rod 4 sequentially penetrates through the through hole 1151 to fix the splicing plates 11 of the same protection plate 1.
Referring to fig. 1 and 3, a plurality of supporting seats 2 are provided, each supporting seat 2 comprises a first vertical plate 21 and a second vertical plate 22, the first vertical plate 21 and the second vertical plate 22 are rectangular plates with the same size, the first vertical plate 21 and the second vertical plate 22 are welded, a 90-degree included angle is formed between the first vertical plate 21 and the second vertical plate 22, a second connecting block 211 is fixedly connected to one side of the first vertical plate 21 away from the included angle, a second groove 221 is formed in one side of the second vertical plate 22 away from the included angle, the second connecting block 211 and the first connecting block 113 are the same size, and the second groove 221 and the first groove 114 are the same size; the first vertical plate 21 is inserted into the first groove 114 through the second connecting block 211, and the second vertical plate 22 is clamped with the first connecting block 113 through the second groove 221.
Referring to fig. 4, the splice plates 11 are rectangular, the splice plates 11 are provided with concave holes 111 at four right angles, the concave holes 111 are quarter-circular, two adjacent splice plates 11 form a circular limiting hole 112 through the four concave holes 111, a plurality of reinforcing members 3 are arranged, one reinforcing member 3 wraps one sleeve 31 and two supporting rods 32, the outer wall of each supporting rod 32 is provided with external threads, the inner wall of each sleeve 31 is provided with two-way threads, the supporting rods 32 are coaxially and threadedly connected with the sleeves 31, one end of each supporting rod 32, far away from the sleeve 31, abuts against the corresponding limiting hole 112, and the axes of the supporting rods 32 and the sleeve 31 are horizontally arranged and perpendicular to the splice plates 11; the surface of the sleeve 31 is sprayed with an anticorrosive coating 33, and the surface of the support rod 32 is sprayed with the anticorrosive coating 33.
The implementation principle of the splicing type foundation pit supporting device in the embodiment of the application is as follows: when the foundation pit supporting device is installed, a certain number of splicing plates 11 are selected according to the depth of a foundation pit, then the splicing plates 11 are spliced into a whole supporting plate 1 through a first connecting block 113 and a first groove 114, then the fixing rod 4 sequentially penetrates through concave holes 111 in the splicing plates 11, the splicing plates 11 are fixed, then the supporting plates 1 are spliced into a supporting plane through the first connecting block 113 and the first groove 114, and then the limiting teeth 12 are inserted into the bottom of the foundation pit.
After the supporting plates 1 on the four side walls of the foundation pit are installed, the second connecting blocks 211 are inserted into the first grooves 114 to fix the first vertical plates 21 and the adjacent supporting plates 1, the first connecting blocks 113 are inserted into the second grooves 221 to fix the second vertical plates 22 and the adjacent supporting plates 1, and therefore the two supporting plates 1 located at the corners of the foundation pit can be firmly connected through the supporting seats 2; then, the sleeve 31 is rotated, so that the length of the threaded connection section of the support rod 32 and the sleeve 31 can be adjusted, and the end of the support rod 32 far away from the threaded connection section is abutted against the inner wall of the limiting hole 112.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 (10)
1. The utility model provides a concatenation formula excavation supporting device which characterized in that: the supporting plate is characterized by comprising a plurality of supporting plates (1), wherein the side walls of the supporting plates (1) are fixedly connected with first connecting blocks (113), the side walls of the supporting plates (1) are provided with first grooves (114), two adjacent supporting plates (1) are connected with the inner parts of the first grooves (114) in an inserting mode through the first connecting blocks (113), the bottom of each supporting plate (1) is fixedly connected with limiting teeth (12), and the limiting teeth (12) are used for being inserted into the bottom of a foundation pit.
2. The spliced foundation pit supporting device according to claim 1, wherein: still include a plurality of supporting seats (2), supporting seat (2) include first riser (21) and second riser (22), first riser (21) with second riser (22) fixed connection, first riser (21) with second riser (22) form the contained angle, and the contained angle is 90, fixedly connected with second connecting block (211) on first riser (21), second recess (221) have been seted up on second riser (22), first riser (21) with a backplate (1) passes through second connecting block (211) peg graft in fixed connection in first recess (114), second riser (22) with backplate (1) pass through first connecting block (113) peg graft in fixed connection in second recess (221).
3. The spliced foundation pit supporting device according to claim 2, wherein: the supporting and protecting plate (1) comprises a plurality of splicing plates (11), the first connecting block (113) is fixedly connected with the splicing plates (11), and the first groove (114) is formed in the splicing plates (11).
4. The spliced foundation pit supporting device according to claim 3, wherein: the splice plate is characterized by further comprising a reinforcing member (3), wherein two ends of the reinforcing member (3) are abutted to the splice plate (11).
5. The spliced foundation pit supporting device according to claim 4, wherein: the reinforcing member (3) comprises at least two supporting rods (32), the two adjacent supporting rods (32) are in coaxial threaded connection, and the supporting rods (32) positioned on the side parts are abutted to the splicing plates (11).
6. The spliced foundation pit supporting device according to claim 5, wherein: concave holes (111) are formed in the splicing plates (11).
7. The spliced foundation pit supporting device according to claim 6, wherein: splice plate (11) are the rectangle, shrinkage pool (111) are seted up in the corner department of splice plate (11), four are adjacent shrinkage pool (111) form one spacing hole (112), bracing piece (32) one end butt in spacing hole (112).
8. The spliced foundation pit supporting device according to claim 5, wherein: and an anticorrosive layer (33) is arranged on the surface of the support rod (32).
9. The spliced foundation pit supporting device according to claim 5, wherein: the splicing plate (11) is fixedly connected with a convex block (115).
10. The spliced foundation pit supporting device according to claim 9, wherein: the splicing plate is characterized by further comprising a fixing rod (4), a through hole (1151) is formed in the protruding block (115), and the fixing rod (4) sequentially penetrates through the through hole (1151) to fix the adjacent splicing plates (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698816.XU CN213741114U (en) | 2020-11-19 | 2020-11-19 | Concatenation formula excavation supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698816.XU CN213741114U (en) | 2020-11-19 | 2020-11-19 | Concatenation formula excavation supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213741114U true CN213741114U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022698816.XU Expired - Fee Related CN213741114U (en) | 2020-11-19 | 2020-11-19 | Concatenation formula excavation supporting device |
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| CN (1) | CN213741114U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529741A (en) * | 2021-08-17 | 2021-10-22 | 浙江钱塘江水利建筑工程有限公司 | Connecting structure of prefabricated sheet pile and construction method thereof |
| CN114150676A (en) * | 2021-12-14 | 2022-03-08 | 中铁城投工程技术有限公司 | Urban construction foundation pit reinforcing system |
| CN114319375A (en) * | 2021-12-21 | 2022-04-12 | 深圳市市政工程总公司 | Large-diameter water pressing pipeline plugging operation supporting structure |
| CN114855826A (en) * | 2022-06-16 | 2022-08-05 | 福州闽龙铁路工程有限公司 | Supporting structure for synchronous excavation and asynchronous backfilling of adjacent foundation pit and construction method |
| CN115198763A (en) * | 2022-07-20 | 2022-10-18 | 广东聚源建设集团有限公司 | Supporting structure and construction method of deep foundation pit of oblique support pile combined type steel continuous wall |
| CN116446417A (en) * | 2023-05-08 | 2023-07-18 | 杭州市建筑设计研究院有限公司 | Building foundation pit supporting structure and construction method thereof |
| CN117166487A (en) * | 2023-09-04 | 2023-12-05 | 中冶沈勘工程技术有限公司 | A geotechnical engineering construction support structure and installation method for deep foundation pit excavation |
-
2020
- 2020-11-19 CN CN202022698816.XU patent/CN213741114U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529741A (en) * | 2021-08-17 | 2021-10-22 | 浙江钱塘江水利建筑工程有限公司 | Connecting structure of prefabricated sheet pile and construction method thereof |
| CN114150676A (en) * | 2021-12-14 | 2022-03-08 | 中铁城投工程技术有限公司 | Urban construction foundation pit reinforcing system |
| CN114319375A (en) * | 2021-12-21 | 2022-04-12 | 深圳市市政工程总公司 | Large-diameter water pressing pipeline plugging operation supporting structure |
| CN114855826A (en) * | 2022-06-16 | 2022-08-05 | 福州闽龙铁路工程有限公司 | Supporting structure for synchronous excavation and asynchronous backfilling of adjacent foundation pit and construction method |
| CN115198763A (en) * | 2022-07-20 | 2022-10-18 | 广东聚源建设集团有限公司 | Supporting structure and construction method of deep foundation pit of oblique support pile combined type steel continuous wall |
| CN115198763B (en) * | 2022-07-20 | 2024-05-07 | 广东聚源建设集团有限公司 | Supporting structure of inclined supporting pile combined type steel continuous wall deep foundation pit and construction method |
| CN116446417A (en) * | 2023-05-08 | 2023-07-18 | 杭州市建筑设计研究院有限公司 | Building foundation pit supporting structure and construction method thereof |
| CN117166487A (en) * | 2023-09-04 | 2023-12-05 | 中冶沈勘工程技术有限公司 | A geotechnical engineering construction support structure and installation method for deep foundation pit excavation |
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Granted publication date: 20210720 |