CN117468469B - Building foundation pit supporting structure - Google Patents
Building foundation pit supporting structure Download PDFInfo
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- CN117468469B CN117468469B CN202311810209.XA CN202311810209A CN117468469B CN 117468469 B CN117468469 B CN 117468469B CN 202311810209 A CN202311810209 A CN 202311810209A CN 117468469 B CN117468469 B CN 117468469B
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- foundation pit
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims description 25
- 238000000429 assembly Methods 0.000 claims description 25
- 238000004873 anchoring Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the field of foundation pit support, and particularly discloses a building foundation pit support structure which comprises a support mechanism, wherein the support mechanism comprises a first support component and a second support component, the second support component can rotate relative to the first support component, two connecting components are arranged on one side of the first support component, a fixed component is arranged on the outer side of the connecting component, a movable component is arranged on the outer side of the fixed component, the movable component is arranged on the second support component, and a rack is arranged on the movable component; the building foundation pit supporting structure is convenient to adapt to the angle change of the corner position of the foundation pit, so that the installation steps are simpler, the repeated adjustment of the installation angle of the supporting structure by workers is not needed, and the installation speed of the supporting structure is improved.
Description
Technical Field
The invention relates to the technical field of foundation pit support, in particular to a building foundation pit support structure.
Background
The foundation pit support is a measure for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment and controlling groundwater in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit. As a structural system, the foundation pit support should meet the requirements of stability and deformation, namely the requirements of two limit states, namely the limit state of bearing capacity and the limit state of normal use, which are usually standardized. The bearing capacity limit state is the damage of the supporting structure, dumping, sliding or the damage of the surrounding environment for the foundation pit support, and the instability occurs in a large range. The general design requirements are that such extreme conditions of the support structure are not allowed.
A backfill type foundation pit supporting structure disclosed in Chinese patent document of the grant publication No. CN114809016B has the effect of improving the working efficiency of staff.
But the structural design of the related art is as follows: although can carry out quick installation and dismantlement, when supporting foundation ditch corner position, inconvenient adaptation foundation ditch corner position's angle change, the staff of needs adjusts repeatedly for the installation is comparatively complicated.
We have therefore proposed a building foundation pit supporting structure in order to solve the problems set out above.
Disclosure of Invention
The invention provides a building foundation pit supporting structure, which aims to solve the problem that the corner of a foundation pit is inconvenient to support in the related art.
The building foundation pit supporting structure of the present invention comprises:
the supporting mechanism is used for supporting the foundation pit and comprises a first supporting component and a second supporting component, the second supporting component can rotate relative to the first supporting component, two connecting components are arranged on one side of the first supporting component, a fixed component is arranged on the outer side of the connecting component, a movable component is arranged on the outer side of the fixed component, the movable component is arranged on the second supporting component, and a rack is arranged on the movable component;
the adjusting mechanism is arranged on the supporting mechanism so as to adjust and support the supporting mechanism, the adjusting mechanism comprises a foundation pile assembly, a driving assembly is arranged on the foundation pile assembly, two telescopic assemblies are arranged on one side of the foundation pile assembly, the telescopic assemblies are arranged on a first supporting assembly, two adjusting assemblies are arranged between the telescopic assemblies, the adjusting assemblies are arranged at the top of a fixing assembly, a circular gear is arranged on the adjusting assemblies, the rack is meshed with the circular gear, the driving assembly can drive the telescopic assemblies to extend, the first supporting assembly is attached to the side wall of a corner of a foundation pit, then the circular gear on the adjusting assembly drives the rack to rotate, and the rack drives a movable assembly to rotate so that the second supporting assembly is unfolded and self-adaptively attached to the other side wall of the corner of the foundation pit.
Preferably, the foundation pile assembly comprises a foundation pile column, a containing cavity is formed in the foundation pile column, two groups of installation pieces are installed on the outer side of the foundation pile column, each group of installation pieces comprises a plurality of second installation seats, one end of each second installation seat is provided with a connecting frame, and one end of each connecting frame is arranged on the fixing assembly.
Preferably, the driving assembly comprises a first driving piece arranged at the top end of the foundation pile, the bottom end of the first driving piece is provided with a rotating shaft, and the outer sides of the two ends of the rotating shaft are respectively provided with a first bevel gear.
Preferably, the telescopic component comprises a fixed cylinder arranged on one side of the foundation pile, a limit groove is formed in the fixed cylinder, a screw is connected to one side of the inner wall of the fixed cylinder in a rotating mode, a threaded block is connected to the screw in a threaded mode, a second bevel gear is arranged at one end of the screw, the second bevel gear is meshed with the first bevel gear, a movable cylinder is connected to the outer side of the fixed cylinder in a sliding mode, and the threaded block is arranged on the inner wall of the movable cylinder.
Preferably, the adjusting component comprises a fixing seat, a telescopic piece is arranged on one side of the fixing seat, a second driving piece is arranged on the inner bottom wall of the fixing seat, and the circular gear is arranged on a driving shaft of the second driving piece.
Preferably, the first support assembly comprises a first support plate, one end of the movable cylinder is arranged on the first support plate, and a fixed column is arranged on one side of the first support plate.
Preferably, the fixed subassembly is including installing two second solid fixed rings on first backplate, coupling assembling sets up between two second solid fixed rings, two all seted up the guide way on the second solid fixed ring, be located the below the first mount pad of a plurality of is installed to second solid fixed ring bottom.
Preferably, the movable assembly comprises a movable ring arranged on one side of the second support assembly, the rack is arranged at the top of the movable ring, and a sliding groove for the connecting assembly to slide is formed in the movable ring.
Preferably, one side of first backplate is provided with two sets of anchor subassemblies, anchor subassembly is including installing a plurality of anchor head on first backplate, the second through-slot has all been seted up to the both sides of anchor head, the inside swing joint of anchor head has the second articulated slab, the one end of second articulated slab articulates there are two soil-inserting boards, the slide is installed to the other end of second articulated slab, the slide activity sets up the inside at first backplate, the middle part sliding connection of slide has the slide bar, the slide bar is installed on the inner wall of first backplate.
Preferably, one end of the movable cylinder is rotationally connected with a rotating assembly, the rotating assembly comprises a rotating column rotationally connected with one end of the movable cylinder, two limiting blocks are installed on the outer side of one end of the rotating column, the other end of the rotating column is rotationally connected with the sliding plate, and a first through groove for the two limiting blocks to pass through is formed in the first support plate.
By adopting the technical scheme, the invention has the beneficial effects that: the drive assembly drives the telescopic assembly to extend, the telescopic assembly promotes the lateral wall of first support subassembly to the foundation ditch corner and removes, thereby paste first support subassembly on the lateral wall at foundation ditch corner, then adjust the subassembly and drive the rack through the circular gear and rotate, the rack drives movable assembly and rotates, in order to make the second support subassembly expand and the self-adaptation paste on another lateral wall at foundation ditch corner, the angle change of the foundation ditch corner position of being convenient for adapts to, thereby make the installation step comparatively succinct, need not the staff and adjust the installation angle of supporting construction repeatedly, thereby the installation rate of supporting construction has been improved.
Drawings
Fig. 1 is a schematic overall structure of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a supporting mechanism according to a first embodiment of the present invention.
Fig. 3 is a schematic structural view of an adjusting mechanism according to a first embodiment of the present invention.
Fig. 4 is a schematic view illustrating an internal structure of a foundation pile according to a first embodiment of the present invention.
Fig. 5 is an exploded view of a telescopic assembly according to a first embodiment of the present invention.
Fig. 6 is a schematic structural view of a first support assembly according to a first embodiment of the present invention.
Fig. 7 is a schematic structural view of a connection assembly according to a first embodiment of the present invention.
Fig. 8 is a schematic structural view of a movable assembly according to a first embodiment of the present invention.
Fig. 9 is a schematic overall structure of a second embodiment of the present invention.
Fig. 10 is a schematic view showing an internal structure of a first support plate according to a second embodiment of the present invention.
Fig. 11 is a schematic cross-sectional structure of an anchor head according to a second embodiment of the present invention.
Reference numerals:
10. a support mechanism; 11. a first support assembly; 111. a first support plate; 112. fixing the column; 113. a storage groove; 114. a first through groove; 12. a second support assembly; 121. a second support plate; 122. a first fixing ring; 123. an anchor hole; 13. a connection assembly; 131. a mounting frame; 132. a movable plate; 133. a guide block; 134. a connecting column; 135. a guide rod; 136. a guide rail; 137. a slide block; 138. a first hinge plate; 139. a hinge post; 14. a fixing assembly; 141. a second fixing ring; 142. a guide groove; 143. a first mount; 15. a movable assembly; 151. a movable ring; 152. a rack; 153. a chute; 16. an anchor assembly; 161. an anchor head; 162. a second through slot; 163. a second hinge plate; 164. a soil inserting plate; 165. a slide plate; 166. a slide bar;
20. an adjusting mechanism; 21. a foundation pile assembly; 211. a foundation pile; 212. a receiving chamber; 213. a second mounting base; 214. a connecting frame; 22. a drive assembly; 221. a first driving member; 222. a rotating shaft; 223. a first bevel gear; 23. a telescoping assembly; 231. a fixed cylinder; 232. a limit groove; 233. a screw rod; 234. a screw block; 235. a second bevel gear; 236. a movable cylinder; 24. an adjustment assembly; 241. a fixing seat; 242. a telescoping member; 243. a second driving member; 244. a circular gear; 25. a rotating assembly; 251. rotating the column; 252. and a limiting block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 8, the building foundation pit supporting structure of the invention comprises a supporting mechanism 10 for supporting a foundation pit, wherein an adjusting mechanism 20 is arranged on the supporting mechanism 10 for adjusting and supporting the supporting mechanism 10, and the supporting mechanism 10 is adjusted through the adjusting mechanism 20 so that the supporting mechanism 10 is self-adaptively attached to the side wall of the foundation pit.
As shown in fig. 1 and 2, the supporting mechanism 10 includes a first supporting component 11 and a second supporting component 12, the second supporting component 12 can rotate relative to the first supporting component 11, two connecting components 13 are installed on one side of the first supporting component 11, a space is reserved between the two connecting components 13, a fixed component 14 is arranged on the outer side of each connecting component 13, a movable component 15 is arranged on the outer side of each fixed component 14, and the movable components 15 are installed on the second supporting component 12.
The second supporting component 12 can be driven to rotate through the rotation of the movable component 15, so that the included angle between the first supporting component 11 and the second supporting component 12 is adjusted to adapt to the corners of different foundation pits, when the movable component 15 rotates, the movable component 15 drives the connecting component 13 to be unfolded, after the connecting component 13 is unfolded, the connecting component 13 is fastened on the fixed component 14 and the movable component 15 through bolts, and finally the fixed component 14 and the adjusting mechanism 20 are fixed, so that the force born by the first supporting component 11 and the second supporting component 12 is dispersed on the adjusting mechanism 20.
As shown in fig. 1 and 3, the adjusting mechanism 20 includes a foundation pile assembly 21, a driving assembly 22 is disposed on the foundation pile assembly 21, two telescopic assemblies 23 are disposed on one side of the foundation pile assembly 21, the two telescopic assemblies 23 are disposed up and down and have a distance, the telescopic assemblies 23 are disposed on the first supporting assembly 11, two adjusting assemblies 24 are disposed between the two telescopic assemblies 23, the two adjusting assemblies 24 are disposed up and down and have a distance, and the adjusting assemblies 24 are disposed at the top of the fixing assembly 14.
The driving component 22 drives the telescopic component 23 to extend so as to tightly lean against the first supporting component 11 on the side wall of the corner of the foundation pit, and then the adjusting component 24 drives the movable component 15 to rotate so as to enable the second supporting component 12 to be unfolded and self-adaptively stuck on the other side wall of the corner of the foundation pit.
As shown in fig. 3 and 4, the foundation pile assembly 21 includes a foundation pile column 211, the foundation pile column 211 is mounted on an inner bottom wall of a foundation pit, a receiving cavity 212 for receiving the driving assembly 22 is formed in the foundation pile column 211, two groups of mounting pieces are mounted on the outer side of the foundation pile column 211 and distributed on the foundation pile column 211 up and down, the mounting pieces are arranged near the bottom of the adjusting assembly 24, each group of mounting pieces includes a plurality of second mounting seats 213, the plurality of second mounting seats 213 are circumferentially distributed with the axis of the foundation pile column 211 as the center, one end of each second mounting seat 213 is provided with a connecting frame 214 through bolts, and one end of each connecting frame 214 is connected to the fixing assembly 14 through bolts.
With continued reference to fig. 3 and 4, the driving assembly 22 includes a first driving member 221 installed at the top end of the foundation pile 211, in this embodiment, the first driving member 221 is a servo motor, a rotation shaft 222 is installed at the bottom end of the first driving member 221 through a driving shaft, the rotation shaft 222 is disposed in the accommodating cavity 212 inside the foundation pile 211, first bevel gears 223 are installed at the outer sides of two ends of the rotation shaft 222, and the first driving member 221 can drive two first bevel gears 223 to rotate simultaneously through the rotation shaft 222.
As shown in fig. 2 to 5, the telescopic assembly 23 includes a fixed cylinder 231 installed at one side of the foundation pile 211, two sides of the fixed cylinder 231 are provided with limit grooves 232, one side of the inner wall of the fixed cylinder 231 is rotatably connected with a screw 233, the outer side of the screw 233 is in threaded connection with a threaded block 234, one end of the screw 233 penetrates through the foundation pile 211 and extends to the inside of the foundation pile 211, a second bevel gear 235 is installed at one end of the screw 233 penetrating through the foundation pile 211, the second bevel gear 235 is meshed with the first bevel gear 223, the outer side of the fixed cylinder 231 is slidably connected with a movable cylinder 236, two sides of the threaded block 234 penetrate through the two limit grooves 232 respectively and are installed on the inner wall of the movable cylinder 236, and one end of the movable cylinder 236 is installed on the first support assembly 11.
When the first bevel gear 223 rotates, the first bevel gear 223 drives the screw rod 233 to rotate through the second bevel gear 235, and meanwhile, the screw rod 233 drives the movable cylinder 236 to approach the first support assembly 11 through the thread block 234, so that the first support assembly 11 approaches the side wall of the foundation pit, the first support assembly 11 can be tightly attached to the foundation pit, and the water outside the foundation pit is prevented from flowing out from a gap between the first support assembly 11 and the side wall of the foundation pit.
As shown in fig. 2 to 4, the adjusting component 24 includes a fixed seat 241 located at one side of the foundation pile 211, one side of the bottom of the fixed seat 241 is installed at the top of the fixed component 14, one side of the fixed seat 241 is installed with a telescopic piece 242, in this embodiment, the telescopic piece 242 is a telescopic rod, a second driving piece 243 is installed on the inner bottom wall of the fixed seat 241, in this embodiment, the second driving piece 243 is a servo motor, a circular gear 244 is installed on the driving shaft of the second driving piece 243, the circular gear 244 is meshed with a rack 152 on the movable component 15, in the process that the first supporting component 11 approaches to the side wall of the foundation pit, the first supporting component 11 drives the fixed seat 241 to move through the fixed component 14, and meanwhile, the telescopic piece 242 extends along with the fixed seat 241, and after the first supporting component 11 is tightly attached to the side wall of the foundation pit, the second driving piece 243 drives the movable component 15 to rotate through the circular gear 244.
As shown in fig. 2, 5 and 6, the first supporting component 11 includes a first supporting plate 111, one end of a movable cylinder 236 is mounted on the first supporting plate 111, a fixed column 112 is mounted on one side of the first supporting plate 111, two receiving grooves 113 are formed in the outer side of the fixed column 112, and a space is provided between the two receiving grooves 113.
As shown in fig. 2, 6 and 8, the second support assembly 12 includes a second support plate 121 disposed at one side of the first support plate 111, a plurality of first fixing rings 122 are mounted at one side of the second support plate 121, the plurality of first fixing rings 122 are arranged at equal intervals along the length direction of the second support plate 121, and the first fixing rings 122 are sleeved at the outer sides of the fixing columns 112.
As shown in fig. 2, 6 and 7, the connecting assembly 13 comprises a mounting frame 131 mounted on the outer side of the fixed column 112, a plurality of movable plates 132 are movably connected in the mounting frame 131, the plurality of movable plates 132 are distributed in a fan shape by taking the axis of the fixed column 112 as the center, a guide block 133 is mounted at one end of each movable plate 132, the other end of each movable plate 132 is arranged in the storage groove 113, a connecting column 134 is mounted at one end of each guide block 133, external threads are formed on the outer side of each connecting column 134 and used for mounting nuts, and guide rods 135 are mounted at the top and the bottom of each guide block 133.
As shown in fig. 2 and 7, the top of the movable plate 132 is provided with a guide rail 136, in this embodiment, the guide rail 136 near the first support plate 111 is a first guide rail 136, every other guide rail 136 is slidably connected with a slide block 137 from the second guide rail 136, two first hinge plates 138 are hinged on the slide block 137, the rest of the guide rails 136 are provided with hinge posts 139, each hinge post 139 is hinged with the slide blocks 137 on the left and right sides through two first hinge plates 138, and it should be noted that the guide block 133 on the first movable plate 132 is mounted on the fixed assembly 14, and the guide block 133 on the last movable plate 132 is mounted on the movable assembly 15.
As shown in fig. 2 and 6, the fixing assembly 14 includes two second fixing rings 141 installed at one side of the first support plate 111, the two second fixing rings 141 are oppositely disposed and have a distance, the guide block 133 is disposed between the two second fixing rings 141, the second fixing rings 141 are arc-shaped to adapt to the motion track of the guide block 133, guide slots 142 are formed on the two second fixing rings 141, guide rods 135 between the first guide block 133 and the last guide block 133 are slidably disposed in the guide slots 142, a plurality of first mounting seats 143 are installed at the bottom of the second fixing ring 141 located below, and the plurality of first mounting seats 143 are circumferentially distributed with the axis of the fixing column 112 as the center.
When the movable assembly 15 rotates around the fixed column 112, the movable assembly 15 drives the last movable plate 132 to move, and at this time, the last movable plate 132 pulls the other movable plates 132 to be unfolded through the first hinge plate 138 thereon, and during the unfolding process of the movable plates 132, the guide rod 135 slides in the guide groove 142.
As shown in fig. 2 and fig. 6 to 8, the movable assembly 15 includes a movable ring 151 mounted on one side of the second support plate 121, a rack 152 is mounted on the top of the movable ring 151, in this embodiment, the rack 152 is arc-shaped, the rack 152 is meshed with a circular gear 244, the circular gear 244 can drive the movable ring 151 to rotate around the fixed column 112 through the rack 152 when rotating, the connecting column 134 penetrates the movable ring 151 and extends to the outside of the movable ring 151, and a chute 153 for sliding the connecting column 134 is formed in the movable ring 151.
During installation, the foundation pile column 211 is fixed to the inner bottom wall of the foundation pit and enables the first support plate 111 to be close to the side wall of the corner of the foundation pit, then the first driving piece 221 is started, at the moment, the first driving piece 221 drives the two first bevel gears 223 to rotate through the rotating shaft 222, the first bevel gears 223 drive the screw rods 233 to rotate through the second bevel gears 235, and the thread blocks 234 on the screw rods 233 drive the movable cylinders 236 to move, so that the first support plate 111 is pushed to be tightly attached to the side wall of the corner of the foundation pit, and a large gap is prevented from being generated between the first support plate 111 and the foundation pit.
After first backplate 111 and foundation ditch lateral wall laminating, start the second driving piece 243 and drive round gear 244 and rotate, round gear 244 passes through rack 152 and drives movable ring 151 and rotate around fixed column 112 this moment, movable ring 151 drives second backplate 121 and expand, in the in-process that second backplate 121 expanded, second backplate 121 is leaned on another lateral wall at foundation ditch turning, through the expansion angle of control second backplate 121, can adapt to the foundation ditch turning of different angles, the angle change at different foundation ditch turning of being convenient for adaptation, need not the staff and adjust repeatedly.
The movable ring 151 drives the movable plates 132 to be unfolded in the rotating process, after the second support plate 121 is adjusted, the connecting column 134 is respectively fixed with the second fixed ring 141 and the movable ring 151 through nuts, and finally the connecting frame 214 is fixed between the first mounting seat 143 and the second mounting seat 213 through bolts so as to transfer the force born on the fixed column 112 to the foundation pile column 211, and at the moment, the first support plate 111 and the second support plate 121 are mounted.
In order to improve the connection strength of the first support plate 111, the second support plate 121 and the foundation pit, the present invention provides a second embodiment.
As shown in fig. 9 to 11, a second embodiment of the present invention is different from the first embodiment in that: two groups of anchoring assemblies 16 are additionally arranged on one side of the first support plate 111, a plurality of anchoring holes 123 are additionally arranged on the second support plate 121, a rotating assembly 25 is additionally arranged at one end of the movable cylinder 236, and the connection strength between the first support plate 111 and the side wall of the foundation pit can be enhanced through the anchoring assemblies 16.
As shown in fig. 9 to 11, the anchor assembly 16 includes a plurality of anchor heads 161 mounted on the first support plate 111, the plurality of anchor heads 161 are arranged at equal intervals along the width direction of the first support plate 111, the two sides of each anchor head 161 are provided with second through slots 162, the inside of each anchor head 161 is movably connected with a second hinge plate 163, one end of each second hinge plate 163 is hinged with two soil inserting plates 164, the two soil inserting plates 164 are arranged in a splayed manner, two ends of each soil inserting plate 164 are respectively arranged in the second through slots 162, the other end of each second hinge plate 163 penetrates through the first support plate 111 and extends to the inside of the first support plate 111, the second hinge plate 163 is in sliding connection with the first support plate 111, the other end of each second hinge plate 163 is provided with a sliding plate 165, the sliding plate 165 is movably arranged in the inside of the first support plate 111, the middle of each sliding plate 165 is in sliding connection with a sliding rod 166, and the sliding rod 166 is mounted on the inner wall of the first support plate 111.
As shown in fig. 9 and 10, the rotating assembly 25 includes a rotating column 251 rotatably connected to one end of the movable cylinder 236, two limiting blocks 252 are mounted on the outer side of one end of the rotating column 251, the other end of the rotating column 251 extends into the first support plate 111 and is rotatably connected to one side of the sliding plate 165, the two limiting blocks 252 are symmetrically arranged along the axis of the rotating column 251, a first through slot 114 through which the two limiting blocks 252 pass is formed in the first support plate 111, and in the initial position, the limiting blocks 252 and the first through slots 114 are staggered.
In the moving process of the movable cylinder 236, the movable cylinder 236 pushes the first support plate 111 to be tightly attached to the side wall of the foundation pit through the limiting block 252 on the rotating column 251, at this time, the anchor head 161 on the first support plate 111 is inserted into the side wall of the foundation pit, after the anchor head 161 is completely inserted into the side wall of the foundation pit, the rotating column 251 is rotated to enable the limiting block 252 to correspond to the first through groove 114, then the movable cylinder 236 is continuously moved, at this time, the movable cylinder 236 drives the rotating column 251 to move towards the inside of the first support plate 111, and the rotating column 251 drives the second hinge plate 163 to move towards the inside of the anchor head 161 through the sliding plate 165, so that the soil inserting plate 164 is driven to extend out of the anchor head 161 and be inserted into soil, and the connection strength between the first support plate 111 and the side wall of the foundation pit is improved.
After the first support plate 111 is adjusted, the second support plate 121 is unfolded and is abutted against the side wall of the foundation pit, then the anchor rod passes through the anchoring hole 123 of the second support plate 121 and is inserted into the side wall of the foundation pit, and finally the anchor rod is fixed with the second support plate 121, so that the connection strength between the second support plate 121 and the side wall of the foundation pit is improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (3)
1. A building foundation pit supporting structure, comprising:
the supporting mechanism (10) is used for supporting a foundation pit, the supporting mechanism (10) comprises a first supporting component (11) and a second supporting component (12), the second supporting component (12) can rotate relative to the first supporting component (11), two connecting components (13) are arranged on one side of the first supporting component (11), a fixed component (14) is arranged on the outer side of the connecting component (13), a movable component (15) is arranged on the outer side of the fixed component (14), the movable component (15) is arranged on the second supporting component (12), and a rack (152) is arranged on the movable component (15);
the adjusting mechanism (20) is arranged on the supporting mechanism (10) to adjust and support the supporting mechanism (10), the adjusting mechanism (20) comprises a foundation pile assembly (21), a driving assembly (22) is arranged on the foundation pile assembly (21), two telescopic assemblies (23) are arranged on one side of the foundation pile assembly (21), the telescopic assemblies (23) are arranged on a first supporting assembly (11), two adjusting assemblies (24) are arranged between the two telescopic assemblies (23), the adjusting assemblies (24) are arranged at the top of a fixed assembly (14), a circular gear (244) is arranged on the adjusting assemblies (24), the rack (152) is meshed with the circular gear (244), the driving assembly (22) can drive the telescopic assemblies (23) to extend, the first supporting assembly (11) is attached to the side wall of a corner of a foundation pit, then the circular gear (244) on the adjusting assemblies (24) drives a rack (152) to rotate, and the rack (152) drives a movable assembly (15) to rotate, so that the other side wall of the second supporting assembly is attached to the corner of the foundation pit (12) in a self-adapting mode;
the foundation pile assembly (21) comprises a foundation pile column (211), a containing cavity (212) is formed in the foundation pile column (211), two groups of installation pieces are installed on the outer side of the foundation pile column (211), each group of installation pieces comprises a plurality of second installation seats (213), one end of each second installation seat (213) is provided with a connecting frame (214), and one end of each connecting frame (214) is arranged on the fixing assembly (14);
the driving assembly (22) comprises a first driving piece (221) arranged at the top end of the foundation pile (211), a rotating shaft (222) is arranged at the bottom end of the first driving piece (221), and first bevel gears (223) are arranged at the outer sides of two ends of the rotating shaft (222);
the telescopic component (23) comprises a fixed cylinder (231) arranged on one side of the foundation pile (211), a limit groove (232) is formed in the fixed cylinder (231), one side of the inner wall of the fixed cylinder (231) is rotationally connected with a screw rod (233), a threaded block (234) is connected to the screw rod (233) in a threaded mode, a second bevel gear (235) is arranged at one end of the screw rod (233), the second bevel gear (235) is meshed with the first bevel gear (223), a movable cylinder (236) is connected to the outer side of the fixed cylinder (231) in a sliding mode, and the threaded block (234) is arranged on the inner wall of the movable cylinder (236);
the adjusting assembly (24) comprises a fixed seat (241), a telescopic piece (242) is arranged on one side of the fixed seat (241), a second driving piece (243) is arranged on the inner bottom wall of the fixed seat (241), and a circular gear (244) is arranged on a driving shaft of the second driving piece (243);
the first support assembly (11) comprises a first support plate (111), one end of the movable cylinder (236) is arranged on the first support plate (111), and a fixed column (112) is arranged on one side of the first support plate (111);
the fixing assembly (14) comprises two second fixing rings (141) arranged on the first support plate (111), the connecting assembly (13) is arranged between the two second fixing rings (141), guide grooves (142) are formed in the two second fixing rings (141), and a plurality of first mounting seats (143) are arranged at the bottoms of the second fixing rings (141) positioned below;
the movable assembly (15) comprises a movable ring (151) arranged on one side of the second support assembly (12), the rack (152) is arranged at the top of the movable ring (151), and a sliding groove (153) for the connecting assembly (13) to slide is formed in the movable ring (151).
2. The building foundation pit supporting structure according to claim 1, wherein two groups of anchoring assemblies (16) are arranged on one side of the first supporting plate (111), each anchoring assembly (16) comprises a plurality of anchor heads (161) arranged on the first supporting plate (111), second through grooves (162) are formed in two sides of each anchor head (161), second hinge plates (163) are movably connected to the inside of each anchor head (161), two earth inserting plates (164) are hinged to one end of each second hinge plate (163), sliding plates (165) are arranged at the other end of each second hinge plate (163), the sliding plates (165) are movably arranged inside the first supporting plate (111), sliding rods (166) are slidably connected to the middle parts of the sliding plates (165), and the sliding rods (166) are arranged on the inner walls of the first supporting plate (111).
3. The building foundation pit supporting structure according to claim 2, wherein one end of the movable cylinder (236) is rotatably connected with a rotating assembly (25), the rotating assembly (25) comprises a rotating column (251) rotatably connected to one end of the movable cylinder (236), two limiting blocks (252) are mounted on the outer side of one end of the rotating column (251), the other end of the rotating column (251) is rotatably connected with the sliding plate (165), and a first through groove (114) for the two limiting blocks (252) to pass through is formed in the first supporting plate (111).
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| CN202311810209.XA CN117468469B (en) | 2023-12-27 | 2023-12-27 | Building foundation pit supporting structure |
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| CN202311810209.XA CN117468469B (en) | 2023-12-27 | 2023-12-27 | Building foundation pit supporting structure |
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| CN117468469B true CN117468469B (en) | 2024-03-22 |
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