CN108252309B - Easily-assembled foundation pit supporting mechanism - Google Patents
Easily-assembled foundation pit supporting mechanism Download PDFInfo
- Publication number
- CN108252309B CN108252309B CN201810142650.8A CN201810142650A CN108252309B CN 108252309 B CN108252309 B CN 108252309B CN 201810142650 A CN201810142650 A CN 201810142650A CN 108252309 B CN108252309 B CN 108252309B
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- Prior art keywords
- support
- supporting
- hydraulic
- plate
- support frame
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000008602 contraction Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Landscapes
- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model relates to an easy-to-assemble and disassemble foundation pit supporting mechanism, which comprises a plurality of supporting mechanisms, wherein the supporting mechanisms are connected into a whole through a connecting device and are uniformly distributed; the supporting mechanism comprises a supporting frame, a telescopic device detachably arranged on the supporting frame and a supporting plate arranged at one end of the telescopic device; the telescopic device is vertical to the support frame, the support plate is parallel to the support frame, and the bottom end of the support frame is provided with a support seat; the support frames of all the support mechanisms are parallel, and the support plates are uniformly arranged outwards. Most of the components are arranged into a detachable structure, so that the detachable structure is convenient to detach, the whole foundation pit supporting mechanism is not damaged, and the subsequent recycling is convenient. The telescopic device realizes the expansion and contraction of the supporting mechanism, is realized as a hydraulic device, is convenient for supporting the pit wall through the expansion and contraction of the hydraulic rod, and is suitable for foundation pits with different specifications and types.
Description
Technical Field
The utility model relates to the field of supporting structures, in particular to an easily-assembled and disassembled foundation pit supporting mechanism.
Background
The foundation pit support is an engineering construction method which adopts supporting, reinforcing and protecting measures for the side wall and the surrounding environment of the foundation pit in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit.
As the prior art, chinese patent 201520623704.4 discloses a foundation pit supporting structure, the foundation pit supporting pile is a bored pile, a cylindrical reinforcement cage is vertically arranged in the foundation pit supporting pile, the inner wall of the reinforcement cage is connected with a vertically arranged reinforcing rib, and the reinforcing rib is welded on one side of the inner wall of the reinforcement cage close to the side wall of the foundation pit; the foundation pit supporting pile is characterized in that a water interception curtain is arranged on one side, close to the center of the foundation pit, of the foundation pit supporting pile, the water interception curtain is a plurality of deep cement stirring piles which are mutually overlapped, anchor cables are vertically arranged in the deep cement stirring piles, the tops of the anchor cables are connected with crown beams, the crown beams are arranged at the tops of the deep cement stirring piles, and one sides of the crown beams are abutted to the side walls of the foundation pit supporting piles.
The utility model has the defects that the bracket can not stretch in the using process; after the engineering is finished, the structure is difficult to disassemble and cannot be completely disassembled, the next construction cannot be normally used, and the construction cost is increased, including the material cost, the time cost and the labor cost.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an easy-to-assemble and disassemble foundation pit supporting mechanism which is convenient to assemble and disassemble and can be repeatedly used.
The technical scheme of the utility model is as follows:
the foundation pit supporting mechanism comprises a plurality of supporting mechanisms which are connected into a whole through a connecting device and are uniformly distributed; the supporting mechanism comprises a supporting frame, a telescopic device detachably arranged on the supporting frame and a supporting plate arranged at one end of the telescopic device; the telescopic device is vertical to the support frame, the support plate is parallel to the support frame, and the bottom end of the support frame is provided with a support seat; the support frames of all the support mechanisms are parallel, and the support plates are uniformly arranged outwards.
Preferably, the support frame is provided with a connecting column in a detachable mode, the connecting column is perpendicular to the support frame, one end of the connecting column is rotationally connected with an auxiliary support column, and the bottom of the auxiliary support column is provided with a support block.
Preferably, the support block has a height of 50MM and an external shape of a circle, and is in interference fit with the auxiliary support column.
Preferably, a fixed block is arranged on the side wall of the upper part of the support frame, and the telescopic mechanism is arranged on the fixed block; the auxiliary support column is arranged at a position below the fixed block.
Preferably, the telescopic device is connected with the fixed block and the auxiliary support column is connected with the support frame through threads for disassembly and assembly.
Preferably, the telescopic device is a hydraulic device and comprises a hydraulic cylinder body, a hydraulic plate, a hydraulic rod, a sealing ring and a hydraulic oil pipe, wherein the hydraulic oil pipe is communicated with the closed end of the hydraulic cylinder body, and the sealing ring is arranged on the inner wall of the open end of the hydraulic cylinder body; the hydraulic plate is arranged in the hydraulic cylinder body and in clearance fit with the hydraulic cylinder body, one end of the hydraulic rod is connected with the hydraulic plate, and the other end of the hydraulic rod penetrates through the sealing ring and stretches out of the hydraulic cylinder body to be connected with the supporting plate.
Preferably, the hydraulic rod is connected with the supporting plate through a flange plate; the flange plate is sleeved on the hydraulic rod, is in interference fit with the hydraulic rod and is locked on the supporting plate through a screw.
Preferably, the connecting device comprises a connecting piece and a plurality of connecting components, and the connecting components are detachably arranged on the supporting frame.
Preferably, the connecting component comprises a fixing piece and a movable piece, wherein the fixing piece is fixedly connected with the connecting piece, the movable piece is movably connected with the connecting piece, and the fixing piece and the movable piece are clamped on the support frame and are locked by screws to clamp the support frame.
Preferably, the connecting piece is a straight rod, the number of the supporting mechanisms is two, and the two supporting mechanisms are symmetrically arranged.
The beneficial effects of the utility model are as follows:
the foundation pit supporting mechanism easy to assemble and disassemble is convenient to assemble and disassemble, does not damage the whole foundation pit supporting mechanism, and is convenient for subsequent recycling. The telescopic device realizes the expansion and contraction of the supporting mechanism, is realized as a hydraulic device, is convenient for supporting the pit wall through the expansion and contraction of the hydraulic rod, and is suitable for foundation pits with different specifications and types.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic cross-sectional view of a hydraulic device;
in the figure: 10 is a supporting mechanism, 11 is a supporting frame, 12 is a fixed block, 13 is a telescopic device, 131 is a hydraulic cylinder, 132 is a hydraulic plate, 133 is a hydraulic rod, 134 is a sealing ring, 135 is a hydraulic oil pipe, 136 is a flange plate, 14 is a supporting plate, 15 is a connecting column, 16 is an auxiliary supporting column, 17 is a supporting block, 18 is a base, 20 is a connecting device, 21 is a connecting piece, 22 is a connecting component, 221 is a fixed piece, and 222 is a movable piece.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
The utility model provides an easily-assembled and disassembled foundation pit supporting mechanism, which aims to solve the defects that in the prior art, equipment cannot be stretched and contracted in the use process, after the engineering is finished, the structure is difficult to disassemble and cannot be completely disassembled, the next construction cannot be normally used, and the construction cost is increased, and the telescopic and reusable effect is realized.
As shown in fig. 1 and 2, the easy-to-mount and dismount foundation pit supporting mechanism of the utility model comprises a plurality of supporting mechanisms 10, wherein the supporting mechanisms 10 are connected into a whole through a connecting device 20 and are uniformly distributed, so that uniform supporting of stress in different directions is realized, and the supporting mechanisms 10 can be mutually used as supporting to realize stable supporting.
The supporting mechanism 10 comprises a supporting frame 11, a telescopic device 13 detachably arranged on the supporting frame 11, and a supporting plate 14 arranged at one end of the telescopic device 13; the telescopic device 13 is perpendicular to the supporting frame 11 and can linearly stretch and retract, so that the supporting plate 14 is driven to stretch and retract, and the telescopic function of the telescopic device in the use process is realized. The supporting plate 14 is parallel to the supporting frame 11, and a supporting seat is arranged at the bottom end of the supporting frame 11; the supporting frames 11 of all the supporting mechanisms 10 are parallel, and the supporting plates 14 are uniformly arranged outwards. In this embodiment, the base 18 is made of stainless steel, and is not easy to rust and durable in contact with soil or rainwater.
In order to realize stable support to support frame 11, the dismantled and assembled spliced pole 15 that is provided with on the support frame 11, spliced pole 15 is perpendicular with support frame 11, and the one end rotation of spliced pole 15 is connected with auxiliary stay post 16, and the bottom of auxiliary stay post 16 is provided with supporting shoe 17. The cooperation of the connecting column 15, the auxiliary supporting column 16 and the supporting block 17 enables the single supporting mechanism 10 to extend in the transverse span, so that higher stability is achieved. In this embodiment, the supporting block 17 has a height of 50MM and a circular external shape, and is in interference fit with the auxiliary supporting column 16. In this embodiment, the connecting post 15 is made of low carbon steel, which provides a certain supporting force and is convenient to detach.
The upper side wall of the support frame 11 is provided with a fixed block 12 through welding, and the telescopic mechanism is arranged on the fixed block 12, so that the telescopic mechanism is more firmly connected; the auxiliary support column 16 is disposed at a position below the fixed block 12, i.e., the support plate 14 is higher than the auxiliary support column 16. As a dismounting structure convenient to operate, in this embodiment, the telescopic device 13 and the fixed block 12, and the auxiliary support column 16 and the support frame 11 are all dismounted through threaded connection. After the utility model is used, the telescopic device 13 and the connecting column 15 can be easily detached by rotating, and no damage is formed.
The connecting device 20 comprises a connecting piece 21 and a plurality of connecting components 22, wherein the connecting components 22 are respectively arranged at each end part of the connecting piece 21, and the connecting components 22 are detachably arranged on the supporting frame 11. Specifically, the connecting component 22 includes a fixing piece 221 and a movable piece 222, and the fixing piece 221 and the movable piece 222 with arc structures just cover the side wall of the supporting frame 11; the fixed piece 221 is fixedly connected with the connecting piece 21, the movable piece 222 is movably connected with the connecting piece 21, and the fixed piece 221 and the movable piece 222 are clamped on the supporting frame 11 and are locked by screws to clamp the supporting frame 11. When in use, the fixing piece 221 is attached to the supporting frame 11, the movable piece 222 is covered, and then the ends of the fixing piece 221 and the movable piece 222 are locked by screws to clamp the supporting frame 11.
In this embodiment, the connecting members 21 are straight rods, and correspondingly, the number of the supporting mechanisms 10 is two, the number of the connecting assemblies 22 is also two, and the two supporting mechanisms 10 are symmetrically arranged.
As shown in fig. 3, in this embodiment, the expansion device 13 is implemented as a hydraulic device, and includes a hydraulic cylinder 131, a hydraulic plate 132, a hydraulic rod 133, a sealing ring 134, and a hydraulic oil pipe 135, where the hydraulic oil pipe 135 is connected to the closed end of the hydraulic cylinder 131, and the sealing ring 134 is disposed on the inner wall of the open end of the hydraulic cylinder 131, so as to realize a sealing effect, and limit the hydraulic plate 132, thereby preventing falling from the hydraulic cylinder 131. The hydraulic plate 132 is disposed in the hydraulic cylinder 131, is in clearance fit with the hydraulic cylinder 131, and one end of the hydraulic rod 133 is connected with the hydraulic plate 132 by welding, and the other end of the hydraulic rod passes through the sealing ring 134, extends out of the hydraulic cylinder 131, and is connected with the support plate 14. In order to make the connection between the support plate 14 and the hydraulic rod 133 more stable, the hydraulic rod 133 is connected to the support plate 14 by a flange 136; the flange 136 is sleeved on the hydraulic rod 133, is in interference fit with the hydraulic rod 133, and is locked on the support plate 14 through a hexagonal screw.
When in use, a proper placement position is selected, the connecting column 15 is screwed into the supporting frame 11, and the auxiliary supporting column 16 is movably connected with the connecting column 15; then the hydraulic cylinder body 131 is screwed into the fixed block 12, oil is conveyed through the hydraulic oil pipe 135, the hydraulic oil ejects the hydraulic plate 132, the hydraulic rod 133 is driven to extend outwards, and the hydraulic rod 133 ejects the supporting plate 14 on the pit wall.
The above examples are only for illustrating the present utility model and are not to be construed as limiting the utility model. Variations, modifications, etc. of the above-described embodiments are intended to fall within the scope of the claims of the present utility model, as long as they are in accordance with the technical spirit of the present utility model.
Claims (1)
1. The foundation pit supporting mechanism is characterized by comprising a plurality of supporting mechanisms, wherein the supporting mechanisms are connected into a whole through a connecting device and are uniformly distributed; the support mechanism comprises a support frame, a telescopic device detachably arranged on the support frame, and a support plate arranged at one end of the telescopic device, wherein the connecting device comprises a connecting piece and a plurality of connecting components, the connecting components are detachably arranged on the support frame, the connecting components comprise a fixing piece and a movable piece, the fixing piece is fixedly connected with the connecting piece, the movable piece is movably connected with the connecting piece, the fixing piece and the movable piece are clamped on the support frame and are locked by screws to clamp the support frame, the number of the connecting pieces is two, and the two support mechanisms are symmetrically arranged; the telescopic device is vertical to the support frame, the support plate is parallel to the support frame, and the bottom end of the support frame is provided with a support seat; the support frames of all the support mechanisms are parallel, the support plates are uniformly and outwards arranged, the support frames are detachably provided with connecting columns, the connecting columns are perpendicular to the support frames, one ends of the connecting columns are rotatably connected with auxiliary support columns, the bottoms of the auxiliary support columns are provided with support blocks, the heights of the support blocks are 50MM, the outer shapes of the support blocks are circular, the support blocks are in interference fit with the auxiliary support columns, the side walls of the upper parts of the support frames are provided with fixing blocks, the telescopic mechanisms are arranged on the fixing blocks, and the telescopic devices are connected with the fixing blocks and the auxiliary support columns and the support frames through threads for dismounting; the auxiliary support column is arranged at the position below the fixed block, the telescopic device is a hydraulic device and comprises a hydraulic cylinder body, a hydraulic plate, a hydraulic rod, a sealing ring and a hydraulic oil pipe, and the hydraulic rod is connected with the support plate through a flange plate; the flange plate is sleeved on the hydraulic rod, is in interference fit with the hydraulic rod, is locked on the supporting plate through a screw, is communicated with the closed end of the hydraulic cylinder body, and is arranged on the inner wall of the opening end of the hydraulic cylinder body; the hydraulic plate is arranged in the hydraulic cylinder body and in clearance fit with the hydraulic cylinder body, one end of the hydraulic rod is connected with the hydraulic plate, and the other end of the hydraulic rod penetrates through the sealing ring and stretches out of the hydraulic cylinder body to be connected with the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810142650.8A CN108252309B (en) | 2018-02-11 | 2018-02-11 | Easily-assembled foundation pit supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810142650.8A CN108252309B (en) | 2018-02-11 | 2018-02-11 | Easily-assembled foundation pit supporting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108252309A CN108252309A (en) | 2018-07-06 |
| CN108252309B true CN108252309B (en) | 2024-04-09 |
Family
ID=62745425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810142650.8A Active CN108252309B (en) | 2018-02-11 | 2018-02-11 | Easily-assembled foundation pit supporting mechanism |
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| Country | Link |
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| CN (1) | CN108252309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110394762A (en) * | 2019-08-14 | 2019-11-01 | 国网福建省电力有限公司莆田供电公司 | A kind of universal Mume flower contact extracting tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762976A (en) * | 2015-03-18 | 2015-07-08 | 上海建工集团股份有限公司 | Foundation pit support axial force following control system and method |
| CN206052759U (en) * | 2016-08-31 | 2017-03-29 | 浙江兴土桥梁临时钢结构工程有限公司 | A kind of steel-pipe pile attachment means under water |
| CN206408629U (en) * | 2016-12-15 | 2017-08-15 | 山东科技大学 | A kind of telescopic foundation ditch of transverse direction faces frontier defense protection unit |
| DE102016003254A1 (en) * | 2016-03-16 | 2017-09-21 | Christof Klimek | Method for lifting or retracting shoring panels from or into an excavation, as well as device itself |
| CN208121779U (en) * | 2018-02-11 | 2018-11-20 | 中铁一局集团厦门建设工程有限公司 | A kind of easy mounted-dismounted type pattern foundation pit supporting structure mechanism |
-
2018
- 2018-02-11 CN CN201810142650.8A patent/CN108252309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762976A (en) * | 2015-03-18 | 2015-07-08 | 上海建工集团股份有限公司 | Foundation pit support axial force following control system and method |
| DE102016003254A1 (en) * | 2016-03-16 | 2017-09-21 | Christof Klimek | Method for lifting or retracting shoring panels from or into an excavation, as well as device itself |
| CN206052759U (en) * | 2016-08-31 | 2017-03-29 | 浙江兴土桥梁临时钢结构工程有限公司 | A kind of steel-pipe pile attachment means under water |
| CN206408629U (en) * | 2016-12-15 | 2017-08-15 | 山东科技大学 | A kind of telescopic foundation ditch of transverse direction faces frontier defense protection unit |
| CN208121779U (en) * | 2018-02-11 | 2018-11-20 | 中铁一局集团厦门建设工程有限公司 | A kind of easy mounted-dismounted type pattern foundation pit supporting structure mechanism |
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| Publication number | Publication date |
|---|---|
| CN108252309A (en) | 2018-07-06 |
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