CN115852983A - Subway station is excavation supporting device for construction based on L type ground is wall even - Google Patents
Subway station is excavation supporting device for construction based on L type ground is wall even Download PDFInfo
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- CN115852983A CN115852983A CN202211626910.1A CN202211626910A CN115852983A CN 115852983 A CN115852983 A CN 115852983A CN 202211626910 A CN202211626910 A CN 202211626910A CN 115852983 A CN115852983 A CN 115852983A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 115
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000009412 basement excavation Methods 0.000 title claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000002633 protecting effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The invention discloses a foundation pit supporting device for subway station construction based on an L-shaped diaphragm wall, and belongs to the technical field of foundation pit supporting. This excavation supporting device, including setting up the base in the foundation ditch bottom and the stand that links firmly with the base, still include: the plurality of transverse supporting components are symmetrically arranged on the upright post and are used for supporting the inner wall of the constructed foundation pit; and the pneumatic assembly is arranged in the stand column and used for driving the transverse supporting assembly to perform supporting action. The transverse supporting assembly is arranged, so that the foundation pit can be quickly supported and disassembled by the device, the workload of workers is conveniently reduced, and the construction progress is improved; the angle of the inner wall of the foundation pit can be automatically adjusted, so that the application range is wide; meanwhile, the positioning assembly improves the stability of the device, prevents the device from loosening and ensures the supporting effect of the device.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting, in particular to a foundation pit supporting device for subway station construction based on an L-shaped diaphragm wall.
Background
The foundation construction of urban subways needs to excavate a foundation pit, and the construction of main structures such as a platform and the like is carried out after the foundation pit construction is completed. The foundation pit engineering mainly comprises foundation pit supporting system design and construction and earthwork excavation, is a system engineering with strong comprehensiveness, and requires close cooperation of geotechnical engineering and structural engineering technicians. The foundation pit support is a retaining, reinforcing and protecting measure used for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. The foundation pit supporting engineering is a temporary engineering which is not needed after the construction of the underground engineering is finished.
When the existing foundation pit supporting and stabilizing device supports a foundation pit, on one hand, the stability of the support is difficult to ensure, and the device is easy to deflect after long-term use, so that the support effect is poor; on the other hand, most of the existing supporting and stabilizing devices can only support the foundation pit with the inner wall in a vertical state, but cannot realize the supporting effect on the inclined edge, so that the application range of the existing device is too small, different supporting equipment is required to be used when different working environments are faced, and the use cost is greatly increased; and the existing supporting structure is generally connected through bolts, so that the supporting structure is inconvenient to mount and dismount, the labor capacity of workers is large, and the progress of engineering construction is severely restricted.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a foundation pit supporting device for subway station construction based on an L-shaped diaphragm wall.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a subway station construction is with excavation supporting device based on L type ground is wall even, includes the base that sets up in the foundation ditch bottom and the stand that links firmly with the base, still includes:
the transverse supporting assemblies are symmetrically arranged on the stand columns and used for supporting the inner wall of the constructed foundation pit;
the pneumatic assembly is arranged in the upright column and used for driving the transverse supporting assembly to perform supporting action;
the limiting assembly is arranged on the transverse supporting assembly and used for limiting the supporting distance of the transverse supporting assembly; and
and the positioning assembly is arranged at the top of the stand column and used for fixing the supporting position of the transverse supporting assembly.
Preferably, the transverse supporting assembly comprises a transverse pipe which is arranged on the stand column and communicated with the stand column, a fixing plate is arranged in the transverse pipe, a first elastic element is arranged on the fixing plate, one end, far away from the fixing plate, of the first elastic element is connected with a first piston which is arranged in the transverse pipe in a sliding mode, a connecting plate is arranged on the first piston, and one end, far away from the first piston, of the connecting plate is movably connected with a supporting plate.
Preferably, the pneumatic assembly comprises an air pump arranged on the base, the air pump is communicated with the upright column through an air duct, a second piston is arranged in the upright column, and a second elastic element is arranged between the second piston and the inner wall of the top of the upright column.
Preferably, spacing subassembly is including setting up the spacing frame on horizontal pipe, sliding connection has the fly leaf in the spacing frame, be provided with the mounting panel on the fly leaf, fly leaf outside cover is equipped with third elastic element, third elastic element's both ends link to each other with spacing frame and mounting panel respectively, be provided with first pivot on the fly leaf, be provided with first torsional spring between first pivot and the fly leaf circumference, the one end that the fly leaf was kept away from to first pivot is provided with one-way latch, be provided with the first rack board with one-way latch matched with on the connecting plate.
Preferably, locating component is including setting up the otic placode on the stand, be provided with the second pivot on the otic placode, be provided with movable gear in the second pivot, be provided with the second rack board of being connected with movable gear meshing on the second piston, be provided with the swing board in the second pivot, it is used for swing board pivoted second torsional spring that resets still to overlap in the second pivot, the one end that the second pivot was kept away from to the swing board is connected with the arc locating lever.
Preferably, a sliding plate is connected to the movable plate in a sliding manner, a side plate is arranged on the sliding plate, a fourth elastic element is arranged between the side plate and the sliding plate, and the swinging plate is movably abutted to the sliding plate.
Preferably, the sliding plate is provided with a first extrusion inclined surface matched with the swinging plate.
Preferably, a fixing rod is arranged on the outer side of the upright column, a fixing block is arranged at one end, far away from the upright column, of the fixing rod, a movable groove matched with the fixing block is formed in the sliding plate, and a second extrusion inclined plane movably abutted against the fixing block is arranged in the movable groove.
Preferably, the number of the transverse supporting assemblies is not less than four, and the transverse supporting assemblies are symmetrically arranged on two sides of the upright post.
Preferably, the base and the supporting and protecting plate are both provided with anti-skid grains.
Compared with the prior art, the invention provides the foundation pit supporting device for subway station construction based on the L-shaped diaphragm wall, which has the following beneficial effects:
1. according to the foundation pit supporting device for subway station construction based on the L-shaped diaphragm wall, rapid supporting and dismounting of the device for a foundation pit can be realized by arranging the transverse supporting component, so that the workload of workers is reduced conveniently, and the construction progress is improved; and can carry out automatically regulated according to the angle of foundation ditch inner wall, application scope is wide, and the practicality is strong.
2. This underground railway station construction is with excavation supporting device based on L type ground is wall even, through setting up locating component, stability when having improved the device and strutting the foundation ditch avoids it not hard up, guarantees its effect of strutting.
3. This underground railway station is excavation supporting device for construction based on L type ground is wall even, through setting up spacing subassembly, can restrict the distance of strutting of horizontal support subassembly, avoids the connecting plate to move back and gets into horizontal pipe, influences the device and to the effect of strutting of foundation ditch inner wall.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partially enlarged structure of the portion A in FIG. 1 according to the present invention;
FIG. 3 is a partially enlarged view of the portion B shown in FIG. 1 according to the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of the portion C shown in FIG. 4 according to the present invention;
FIG. 6 is a first schematic structural diagram of a slide plate and a fixing block according to the present invention;
fig. 7 is a second schematic structural view of the sliding plate and the fixing block of the present invention.
In the figure: 1. a base; 2. a column; 3. a transverse support assembly; 4. a pneumatic assembly; 5. a limiting component; 6. a transverse tube; 601. a fixing plate; 6011. a first elastic element; 602. a first piston; 603. a connecting plate; 6031. a first rack plate; 604. supporting a guard plate; 7. an air pump; 8. a second piston; 801. a second elastic element; 802. a second rack plate; 9. a movable plate; 901. mounting a plate; 902. a third elastic element; 903. a first rotating shaft; 9031. one-way latch; 10. a limiting frame; 11. a positioning assembly; 111. an ear plate; 112. a second rotating shaft; 113. a moving gear; 114. a swing plate; 115. an arc-shaped positioning rod; 12. a slide plate; 121. a side plate; 122. a fourth elastic element; 123. a first extrusion ramp; 124. a movable groove; 1241. a second extrusion ramp; 13. fixing the rod; 131. a fixed block; 14. and (4) anti-skid lines.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example (b):
referring to fig. 1, 2, 3, 4 and 5, the foundation pit supporting device for subway station construction based on the L-shaped diaphragm wall of the present invention includes a base 1 disposed at the bottom of a foundation pit and a column 2 fixedly connected to the base 1, and further includes:
a plurality of transverse supporting components 3 are arranged, and the plurality of transverse supporting components 3 are symmetrically arranged on the upright post 2 and are used for supporting the inner wall of the constructed foundation pit;
the pneumatic assembly 4 is arranged in the upright post 2 and used for driving the transverse supporting assembly 3 to perform supporting action;
the limiting component 5 is arranged on the transverse supporting component 3 and used for limiting the supporting distance of the transverse supporting component 3; and
and the positioning assembly 11 is arranged at the top of the upright post 2 and used for fixing the supporting position of the transverse supporting assembly 3.
Specifically, when the device is used, the base 1 is arranged at the bottom of a construction foundation pit, then the pneumatic assembly 4 is driven to operate, the pneumatic assembly 4 drives the transverse supporting assembly 3 to act, the transverse supporting assembly 3 is stretched to abut against the inner wall of the foundation pit, and the supporting distance of the transverse supporting assembly 3 is limited by the limiting assembly 5 along with the automatic adjustment of the angle of the inner wall of the foundation pit, so that the resetting of the device is avoided, the supporting effect on the foundation pit is influenced, and after the supporting action of the transverse supporting assembly 3 is finished, the positioning assembly 11 works, so that the positioning assembly 11 is in contact with the ground and is fixedly arranged between the ground, the positioning effect of the supporting device is realized, and the foundation pit is prevented from being loosened during supporting; the device can realize the quick support and disassembly of the foundation pit, is convenient for reducing the workload of workers and improves the construction progress; and can carry out automatically regulated according to the angle of foundation ditch inner wall, application scope is wide, has improved the stability of device simultaneously, avoids it not hard up, guarantees its effect of strutting.
Referring to fig. 4 and 5, as a preferred technical solution of the present invention, the lateral supporting assembly 3 includes a lateral pipe 6 disposed on the upright 2 and communicated with the upright 2, a fixing plate 601 is disposed in the lateral pipe 6, a first elastic element 6011 is disposed on the fixing plate 601, one end of the first elastic element 6011 away from the fixing plate 601 is connected to a first piston 602 slidably disposed in the lateral pipe 6, a connecting plate 603 is disposed on the first piston 602, and one end of the connecting plate 603 away from the first piston 602 is movably connected to a supporting plate 604; specifically, when the pneumatic assembly 4 works, air pushes the first piston 602 to move in the transverse pipe 6, the first piston 602 drives the supporting and protecting plate 604 to be close to and abut against the inner wall of the foundation pit through the connecting plate 603, so as to support the foundation pit, and the first elastic element 6011 is arranged so that the first piston 602 can automatically reset.
Referring to fig. 1, 4 and 5, as a preferred technical solution of the present invention, the pneumatic assembly 4 includes an air pump 7 disposed on the base 1, the air pump 7 is communicated with the upright 2 through an air duct, a second piston 8 is disposed in the upright 2, and a second elastic element 801 is disposed between the second piston 8 and the top inner wall of the upright 2; specifically, by controlling the operation of the air pump 7, the air pump 7 introduces air into the column 2, the stiffness coefficient of the second elastic element 801 is greater than that of the first elastic element 6011, the air acts on the first piston 602 connected to the first elastic element 6011 first, so that the first piston 602 moves and drives the supporting and protecting plate 604 to support the foundation pit through the connecting plate 603, after the supporting and protecting plate 604 abuts against the inner wall of the foundation pit, the first piston 602 cannot be pushed continuously, and at this time, the air acts on the second piston 8 to displace the second piston 8.
Referring to fig. 1, 2, 3, 4 and 5, as a preferred technical solution of the present invention, the limiting assembly 5 includes a limiting frame 10 disposed on the transverse pipe 6, a movable plate 9 is slidably connected to the limiting frame 10, a mounting plate 901 is disposed on the movable plate 9, a third elastic element 902 is sleeved on an outer side of the movable plate 9, two ends of the third elastic element 902 are respectively connected to the limiting frame 10 and the mounting plate 901, a first rotating shaft 903 is disposed on the movable plate 9, a first torsion spring is disposed between the first rotating shaft 903 and the movable plate 9 in a circumferential direction, one end of the first rotating shaft 903 far away from the movable plate 9 is provided with a one-way latch 9031, and a first rack plate 6031 matched with the one-way latch 9031 is disposed on the connecting plate 603; specifically, when the connecting plate 603 drives the supporting and protecting plate 604 to approach the inner wall of the foundation pit, the first rack plate 6031 on the connecting plate 603 offsets the one-way latch 9031, so that the one-way latch 9031 drives the first rotating shaft 903 to rotate on the movable plate 9, and when the connecting plate 603 contracts towards the inside of the transverse pipe 6, the first rack plate 6031 offsets the one-way latch 9031, the device is prevented from resetting, the one-way latch 9031 cannot drive the first rotating shaft 903 to reverse (the first rotating shaft 903 is provided with a baffle to limit the reverse rotation of the first rotating shaft 903), so that the connecting plate 603 drives the supporting and protecting plate 604 to keep an offset state with the inner wall of the foundation pit, and the supporting and protecting effect on the foundation pit is ensured.
Referring to fig. 1, 2, 3, 4 and 5, as a preferred technical solution of the present invention, the positioning assembly 11 includes an ear plate 111 disposed on the upright 2, the ear plate 111 is provided with a second rotating shaft 112, the second rotating shaft 112 is provided with a moving gear 113, the second piston 8 is provided with a second rack plate 802 engaged with the moving gear 113, the second rotating shaft 112 is provided with a swinging plate 114, the second rotating shaft 112 is further sleeved with a second torsion spring for returning and rotating the swinging plate 114, and one end of the swinging plate 114 away from the second rotating shaft 112 is connected with an arc positioning rod 115; specifically, after the supporting action of the transverse supporting component 3 is finished, the supporting plate 604 abuts against the inner wall of the foundation pit, the first piston 602 cannot be pushed continuously, at the moment, the air acts on the second piston 8, so that the second piston 8 drives the second rack plate 802 to move upwards, the second rack plate 802 is meshed with the movable gear 113, the movable gear 113 drives the swinging plate 114 to swing through the second rotating shaft 112, the arc-shaped positioning rod 115 at the other end of the swinging plate 114 is inserted into the soil on the ground by taking the second rotating shaft 112 as the center of circle, the positioning of the supporting device is realized, the looseness during the supporting of the foundation pit is avoided, and the installation stability of the device is improved.
Referring to fig. 1, 6 and 7, as a preferred embodiment of the present invention, a sliding plate 12 is slidably connected to the movable plate 9, a side plate 121 is disposed on the sliding plate 12, a fourth elastic element 122 is disposed between the side plate 121 and the sliding plate 12, and the swinging plate 114 movably abuts against the sliding plate 12.
Further, the slide plate 12 is provided with a first pressing slope 123 which is engaged with the swing plate 114.
Further, a fixing rod 13 is arranged on the outer side of the upright post 2, a fixing block 131 is arranged at one end, away from the upright post 2, of the fixing rod 13, a movable groove 124 matched with the fixing block 131 is formed in the sliding plate 12, and a second extrusion inclined plane 1241 movably abutted against the fixing block 131 is arranged in the movable groove 124.
Specifically, when the swing plate 114 drives the arc-shaped positioning rod 115 downwards to be inserted into soil on the ground, the swing plate 114 abuts against the first pressing inclined surface 123 on the sliding plate 12, so that the sliding plate 12 slides on the moving plate 9, the fourth elastic element 122 is stretched, the swing plate 114 moves to the lower side of the sliding plate 12 along with the rotation of the swing plate 114, the sliding plate 12 resets under the elastic force of the fourth elastic element 122, when the support device needs to be detached, the swing plate 114 resets to rotate upwards, in the process, the swing plate 114 drives the moving plate 9 to move upwards through the sliding plate 12, so that the one-way latch 9031 connected to the outer side of the moving plate 9 does not abut against the first rack plate 6031, at this time, the first piston 602 can reset under the pulling of the first elastic element 6011, the connecting plate 603 retracts into the transverse pipe 6, when the moving up to a certain height, the sliding plate 131 is located in the moving groove 124 and abuts against the second pressing inclined surface 1241, so that the sliding plate 12 slides transversely on the moving plate 9, the sliding plate 12 does not abut against the swing plate 114, after the sliding plate 114 crosses over the sliding plate 12, the elastic positioning rod 1241 abuts against the second pressing inclined surface 902, the support device, the worker can be detached easily, and the worker can be ready for the worker.
Referring to fig. 1 and 4, as a preferred technical scheme of the present invention, the number of the transverse supporting components 3 is not less than four, and the transverse supporting components are symmetrically installed on two sides of the upright post 2; in particular, the supporting effect of the transverse supporting component 3 on the foundation pit is ensured.
Referring to fig. 1, as a preferred technical solution of the present invention, the base 1 and the supporting and protecting plate 604 are both provided with anti-skid threads 14; in particular, the anti-skid capacity of the supporting device and the installation stability of the device are improved.
Specifically, when the device is used, the base 1 is placed at the bottom of a construction foundation pit, then the pneumatic assembly 4 is driven to operate, the pneumatic assembly 4 drives the transverse supporting assembly 3 to act, air is led into the upright post 2 by the air pump 7, the stiffness coefficient of the second elastic element 801 is larger than that of the first elastic element 6011, the air acts on the first piston 602 connected with the first elastic element 6011 at first, the first piston 602 moves and drives the supporting and protecting plate 604 to support the foundation pit through the connecting plate 603, the supporting and protecting plate 604 abuts against the inner wall of the foundation pit, the placing angle of the supporting and protecting plate 604 can be automatically adjusted according to the angle of the inner wall of the foundation pit, the unidirectional latch 9031 limits the first rack plate 6031 to avoid resetting of the device, when the first piston 602 cannot be pushed continuously, the air acts on the second piston 8 at the moment to enable the second piston 8 to displace, the second piston 8 drives the second rack plate 802 to move upwards, the second rack plate 802 is meshed with the movable gear 113, the movable gear 113 drives the swing plate 114 to swing through the second rotating shaft 112, and the arc-shaped rotating shaft 115 is inserted into the ground of the foundation pit to improve the stability of the supporting and the ground of the foundation pit is prevented from loosening by the moving gear 112; when the supporting device needs to be dismantled, the swinging plate 114 resets and rotates upwards, in the process, the swinging plate 114 drives the moving plate 9 to move upwards through the sliding plate 12, so that the one-way latch 9031 connected to the outer side of the moving plate 9 does not abut against the first rack plate 6031 any more, at the moment, the first piston 602 can reset under the pulling of the first elastic element 6011, the connecting plate 603 contracts into the transverse pipe 6, after the moving plate 9 moves upwards to a certain height, the fixed block 131 is located in the moving groove 124 and abuts against the second extrusion inclined plane 1241, so that the sliding plate 12 transversely slides on the moving plate 9, the sliding plate 12 does not abut against the swinging plate 114 any more, after the swinging plate 114 passes over the sliding plate 12, the sliding plate 12 resets and moves downwards under the elastic force of the third elastic element 902, preparation is made for subsequent supporting work, the operation is simple, no need of participation of working personnel, the workload of the working personnel is reduced, and the dismantling speed of the device is improved.
Claims (10)
1. The utility model provides a subway station construction is with excavation supporting device based on L type ground is wall even, including setting up base (1) in the foundation ditch bottom and stand (2) that links firmly with base (1), its characterized in that still includes:
the transverse supporting assemblies (3) are arranged in plurality, and the plurality of transverse supporting assemblies (3) are symmetrically arranged on the upright post (2) and are used for supporting the inner wall of the constructed foundation pit;
the pneumatic assembly (4) is arranged in the upright post (2) and used for driving the transverse supporting assembly (3) to perform supporting action;
the limiting assembly (5) is arranged on the transverse supporting assembly (3) and used for limiting the supporting distance of the transverse supporting assembly (3); and
the positioning assembly (11) is arranged at the top of the upright post (2) and used for fixing the supporting position of the transverse supporting assembly (3).
2. The foundation pit supporting device for subway station construction based on the L-shaped diaphragm wall is characterized in that the transverse supporting component (3) comprises a transverse pipe (6) which is arranged on the vertical column (2) and is mutually communicated with the vertical column (2), a fixing plate (601) is arranged in the transverse pipe (6), a first elastic element (6011) is arranged on the fixing plate (601), one end, far away from the fixing plate (601), of the first elastic element (6011) is connected with a first piston (602) which is arranged in the transverse pipe (6) in a sliding mode, a connecting plate (603) is arranged on the first piston (602), and one end, far away from the first piston (602), of the connecting plate (603) is movably connected with a supporting plate (604).
3. The foundation pit supporting device for subway station construction based on L-shaped diaphragm walls as claimed in claim 2, wherein said pneumatic assembly (4) comprises an air pump (7) arranged on the base (1), said air pump (7) is communicated with the column (2) through an air duct, a second piston (8) is arranged in the column (2), and a second elastic element (801) is arranged between the second piston (8) and the top inner wall of the column (2).
4. The underground structure supporting device for subway station construction based on L-shaped diaphragm wall is characterized in that limiting component (5) comprises a limiting frame (10) arranged on a transverse pipe (6), a movable plate (9) is connected in limiting frame (10) in a sliding mode, a mounting plate (901) is arranged on movable plate (9), a third elastic element (902) is sleeved on the outer side of movable plate (9), two ends of third elastic element (902) are connected with limiting frame (10) and mounting plate (901) respectively, a first rotating shaft (903) is arranged on movable plate (9), a first torsion spring is arranged between first rotating shaft (903) and movable plate (9) in the circumferential direction, one end, far away from movable plate (9), of first rotating shaft (903) is provided with one-way clamping teeth (9031), and a first rack plate (6031) matched with one-way clamping teeth (9031) is arranged on connecting plate (603).
5. The underground structure supporting device for subway station construction based on L-shaped diaphragm wall is characterized in that positioning component (11) comprises an ear plate (111) arranged on upright post (2), a second rotating shaft (112) is arranged on ear plate (111), a moving gear (113) is arranged on second rotating shaft (112), a second toothed plate (802) meshed with moving gear (113) and connected is arranged on second piston (8), a swinging plate (114) is arranged on second rotating shaft (112), a second torsion spring used for resetting and rotating swinging plate (114) is further sleeved on second rotating shaft (112), and an arc-shaped positioning rod (115) is connected to one end, far away from second rotating shaft (112), of swinging plate (114).
6. The foundation pit supporting device for subway station construction based on L-shaped diaphragm walls as claimed in claim 5, wherein a sliding plate (12) is slidably connected to said movable plate (9), a side plate (121) is disposed on said sliding plate (12), a fourth elastic element (122) is disposed between said side plate (121) and said sliding plate (12), and said swinging plate (114) is movably abutted against said sliding plate (12).
7. An underground pit supporting device for subway station construction based on L-shaped diaphragm wall as claimed in claim 6, characterized in that said sliding plate (12) is provided with a first extrusion inclined plane (123) cooperating with said swinging plate (114).
8. The foundation pit supporting device for subway station construction based on the L-shaped diaphragm wall is characterized in that a fixing rod (13) is arranged on the outer side of the upright post (2), a fixing block (131) is arranged at one end, far away from the upright post (2), of the fixing rod (13), a movable groove (124) matched with the fixing block (131) is formed in the sliding plate (12), and a second extrusion inclined surface (1241) movably abutted against the fixing block (131) is arranged in the movable groove (124).
9. The foundation pit supporting device for subway station construction based on L-shaped diaphragm walls as claimed in claim 1, wherein the number of said transverse supporting components (3) is not less than four, and said transverse supporting components are symmetrically installed on both sides of said vertical column (2).
10. The foundation pit supporting device for subway station construction based on L-shaped diaphragm walls as claimed in claim 2, wherein said base (1) and supporting plate (604) are provided with anti-skid lines (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211626910.1A CN115852983A (en) | 2022-12-17 | 2022-12-17 | Subway station is excavation supporting device for construction based on L type ground is wall even |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211626910.1A CN115852983A (en) | 2022-12-17 | 2022-12-17 | Subway station is excavation supporting device for construction based on L type ground is wall even |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115852983A true CN115852983A (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211626910.1A Pending CN115852983A (en) | 2022-12-17 | 2022-12-17 | Subway station is excavation supporting device for construction based on L type ground is wall even |
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| Country | Link |
|---|---|
| CN (1) | CN115852983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118241671A (en) * | 2024-05-28 | 2024-06-25 | 中国兵器工业北方勘察设计研究院有限公司 | Supporting device for foundation pit construction |
-
2022
- 2022-12-17 CN CN202211626910.1A patent/CN115852983A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118241671A (en) * | 2024-05-28 | 2024-06-25 | 中国兵器工业北方勘察设计研究院有限公司 | Supporting device for foundation pit construction |
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Address after: No.96, Wangjiang East Road, Baohe District, Hefei City, Anhui Province, 230041 Applicant after: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. Applicant after: Anhui University of Science and Technology Address before: 232001 No. 168 Taifeng Street, Huainan City, Anhui Province Applicant before: Anhui University of Science and Technology Applicant before: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. |
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