CN109235452B - Foundation pit engineering supporting structure - Google Patents
Foundation pit engineering supporting structure Download PDFInfo
- Publication number
- CN109235452B CN109235452B CN201811256981.0A CN201811256981A CN109235452B CN 109235452 B CN109235452 B CN 109235452B CN 201811256981 A CN201811256981 A CN 201811256981A CN 109235452 B CN109235452 B CN 109235452B
- Authority
- CN
- China
- Prior art keywords
- plate
- rear plate
- front plate
- foundation pit
- fixedly welded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010276 construction Methods 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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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- 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)
- Sewage (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a foundation pit engineering supporting structure which comprises a front plate and a rear plate, wherein the front plate and the rear plate are arranged in parallel, two fixing strips are vertically and fixedly welded on one end surface of the front plate facing the rear plate, a dovetail groove is vertically formed in the surface of each fixing strip, a limiting strip is fixedly welded on the rear plate opposite to the dovetail groove, one end of each limiting strip is slidably arranged in the dovetail groove, fixing blocks are fixedly welded on the top surface and the bottom surface of the front plate, mounting holes are formed in the fixing blocks, an anchor cable is arranged in each mounting hole, a clamping groove is formed in each of the right side surfaces of the front plate and the rear plate, and a clamping plate is arranged on each of the left side surfaces of the front plate and the rear plate. The invention has simple structure and convenient use, and when a deeper foundation pit is locally adopted, the back plate can be inserted downwards, so that the soil at the local foundation pit is blocked like a gate, the loss of the soil is avoided, and the construction is convenient.
Description
Technical Field
The invention relates to the field of building structures, in particular to a foundation pit engineering supporting structure.
Background
Along with the development of a large number of high-rise buildings and underground spaces, basement is often changed due to the use function, partial underground space structures are added, the excavation depth is also increased for corresponding foundation pits, the stress on the original supporting structure is extremely unfavorable, the instability probability of the supporting structure is higher and higher, when deeper foundation pits are adopted in the local parts of the deep foundation pits, the periphery of the excavated deep foundation pits is increased and is close to important buildings, urban trunk roads and subways, under the condition, a special supporting system and a reasonable construction method are required to be adopted for the excavation and supporting of the increased foundation pits earthwork, and the original partial foundation pits and the foundation construction cannot be influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a foundation pit engineering supporting structure which is simple in structure and convenient to use, and can be used for downwards inserting a rear plate when a deeper foundation pit is locally adopted, so that soil at the local foundation pit is blocked like a gate, the soil loss is avoided, and the construction is facilitated.
The invention is realized by the following technical scheme: the utility model provides a foundation ditch engineering supporting construction, including front bezel and back plate, parallel arrangement between front bezel and the back plate, two fixed strips of equal perpendicular welding fixed mounting on the terminal surface of front bezel orientation back plate, the fixed strip all be equipped with a dovetail perpendicularly on the surface, the back plate is just to the equal welding fixed mounting spacing of dovetail department, the equal slidable mounting of spacing one end in the dovetail, equal welding fixed mounting fixed block on the top surface of front bezel and the bottom surface, all be equipped with a mounting hole on the fixed block, all be equipped with an anchor rope in the mounting hole, all be equipped with the screw thread on the outer wall of anchor rope head, the equal threaded connection nut of head of anchor rope, a terminal surface of nut all offsets with the fixed block, all be equipped with a draw-in groove on the right flank of front bezel and back plate, all be equipped with a cardboard on the left surface of front bezel and back plate.
As preferred technical scheme, the fixed plate of two "L" type structures of welded fastening installation on the top surface of front bezel, fixed plate one end all extends to the back plate top, the fixed plate is located one of back plate top and serves and all be equipped with a first screw hole, equal threaded connection screw rod in the first screw hole, a equal welded fastening installation hand wheel in screw rod upper end, the back plate top surface just all is equipped with a second screw hole to first screw hole department, the screw rod lower extreme all inserts in the second screw hole, and all with second screw hole threaded connection.
As the preferred technical scheme, the height of back plate is less than the height of front bezel, and the fixed more than one inserted bar of welding installation on the bottom surface of back plate, the bottom surface of inserted bar all is the setting of toper structure.
As the preferred technical scheme, the front plate and the rear plate are both made of metal materials, and a circle of waterproof curtain is uniformly distributed on the outer wall.
As the preferred technical scheme, both sides of draw-in groove and cardboard all are equipped with the third screw hole more than one.
As the preferred technical scheme, the inner wall of the clamping groove is uniformly provided with a rubber cushion layer, wherein the rubber cushion layer on the upper inner side surface and the lower inner side surface is provided with a through hole matched with the third screw hole.
As the preferred technical scheme, a wear-resistant layer is uniformly coated on the outer wall of the limiting strip.
The invention has the beneficial effects that: the invention has simple structure and convenient use, and when a deeper foundation pit is locally adopted, the back plate can be inserted downwards, so that the soil at the local foundation pit is blocked like a gate, the loss of the soil is avoided, and the construction is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the supporting structure for foundation pit engineering of the present invention comprises a front plate 13 and a rear plate 1, the front plate 13 and the rear plate 1 are arranged in parallel, two fixing strips 10 are vertically and fixedly welded on one end surface of the front plate 13 facing the rear plate 1, a dovetail groove 11 is vertically arranged on the surface of each fixing strip 10, a limiting strip 9 is fixedly welded on the rear plate 1 opposite to the dovetail groove 11, one end of each limiting strip 9 is slidably arranged in the dovetail groove 11, equal welded fastening installs a fixed block 4 on the top surface of front bezel 13 and the bottom surface, all be equipped with a mounting hole on fixed block 4, all be equipped with an anchor rope 6 in the mounting hole, all be equipped with the screw thread on the outer wall of anchor rope 6 head, the equal threaded connection nut 5 of head of anchor rope 6, a terminal surface of nut 5 all offsets with fixed block 4, all be equipped with a draw-in groove 12 on the right flank of front bezel 13 and back plate 1, all be equipped with a cardboard 8 on the left surface of front bezel 13 and back plate 1.
In this embodiment, fixed plate 3 of two "L" type structures of welded fastening installation on the top surface of front bezel 13, 3 one ends of fixed plate all extend to 1 top of backplate, fixed plate 3 is located one of 1 top of backplate and serves and all be equipped with a first screw hole, equal threaded connection screw rod 2 in the first screw hole, 2 upper ends of screw rod all welded fastening installation hand wheels 7, 1 top surface of backplate just all is equipped with a second screw hole to first screw hole department, 2 lower extremes of screw rod all insert in the second screw hole, and all with second screw hole threaded connection, can effectually fix the screw rod through the screw rod.
In this embodiment, the height of back plate 1 is less than the height of front bezel 13, and welded fastening installs more than one inserted bar 14 on the bottom surface of back plate 1, and the bottom surface of inserted bar 14 all is the setting of toper structure, and back in the back plate inserts the foundation ditch, the inserted bar can insert in soil, has increased the fastness of connection with soil.
In the embodiment, the front plate 13 and the rear plate 1 are both made of metal materials, and a circle of waterproof curtain is uniformly distributed on the outer wall, so that the firmness is increased, and the device can be repeatedly used; both sides of the clamping groove 12 and the clamping plate 8 are provided with more than one third screw hole 15.
In this embodiment, the equipartition is equipped with the rubber bed course on the draw-in groove inner wall, wherein, be equipped with on the rubber bed course of upper and lower medial surface with third screw hole matched with through-hole, the draw-in groove cooperatees with the cardboard and sets up, width slightly less than the thickness of cardboard between the rubber layer of upper and lower medial surface to make the cardboard can the joint between two rubber layers.
In this embodiment, an abrasion-resistant layer is uniformly coated on the outer wall of the limiting strip.
This concrete implementation, because the device's both sides have set up cardboard and draw-in groove, when using, a plurality of device accessible cardboard and draw-in groove joint are in the same place, and pass the third screw hole with fixing bolt from the extroversion inwards, and screw up through the nut, make and to fix together between two devices, make and to link into one row between the device, the stability between the device has been increased, wherein, connect into one row back, insert the one end of anchor rope afterbody in soil, increased and soil between the firm in connection nature. After a deeper foundation pit is dug locally, a hand wheel corresponding to the upper end of the rear plate is rotated, the screw is driven by rotation of the hand wheel until the screw is screwed out of the second screw hole, and after the screw is not fixed, the rear plate presses the dovetail groove to slide downwards until the screw is inserted into the foundation pit like a gate, so that the locally dug foundation pit is effectively blocked, and loss of soil is avoided.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a foundation ditch engineering supporting construction which characterized in that: the fixing device comprises a front plate and a rear plate, wherein the front plate and the rear plate are arranged in parallel, two fixing strips are vertically and fixedly welded on one end face of the front plate facing the rear plate, dovetail grooves are vertically formed in the surfaces of the fixing strips, a limiting strip is fixedly welded on the dovetail grooves of the rear plate, one end of the limiting strip is slidably mounted in the dovetail grooves, fixing blocks are fixedly welded on the top surface and the bottom surface of the front plate, mounting holes are formed in the fixing blocks, anchor cables are arranged in the mounting holes, threads are arranged on the outer wall surfaces of the heads of the anchor cables, the heads of the anchor cables are in threaded connection with nuts, one end surfaces of the nuts are abutted against the fixing blocks, clamping grooves are formed in the right side faces of the front plate and the right side face of the rear plate, and clamping plates are arranged on the left side faces of the front plate and the rear plate;
two fixing plates with L-shaped structures are fixedly welded on the top surface of the front plate, one ends of the fixing plates extend to the upper part of the rear plate, first threaded holes are formed in the ends, located above the rear plate, of the fixing plates, a screw rod is connected in each first threaded hole in a threaded manner, a hand wheel is fixedly welded on the upper ends of the screw rods, a second threaded hole is formed in the position, opposite to the first threaded hole, of the top surface of the rear plate, the lower end of each screw rod is inserted into each second threaded hole and is connected with each second threaded hole in a threaded manner;
the height of back plate is less than the height of front bezel, and the fixed more than one inserted bar of welded mounting on the bottom surface of back plate, the bottom surface of inserted bar all is the setting of toper structure.
2. The foundation pit engineering supporting structure of claim 1, wherein: both sides of the clamping groove and the clamping plate are provided with more than one third screw hole.
3. The foundation pit engineering supporting structure of claim 2, wherein: the equipartition is equipped with the rubber bed course on the draw-in groove inner wall, wherein, be equipped with the through-hole with third screw hole matched with on the rubber bed course of upper and lower medial surface.
4. The foundation pit engineering supporting structure of claim 1, wherein: and a wear-resistant layer is uniformly coated on the outer wall of the limiting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811256981.0A CN109235452B (en) | 2018-10-26 | 2018-10-26 | Foundation pit engineering supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811256981.0A CN109235452B (en) | 2018-10-26 | 2018-10-26 | Foundation pit engineering supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109235452A CN109235452A (en) | 2019-01-18 |
| CN109235452B true CN109235452B (en) | 2020-07-07 |
Family
ID=65082315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811256981.0A Expired - Fee Related CN109235452B (en) | 2018-10-26 | 2018-10-26 | Foundation pit engineering supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109235452B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365260Y (en) * | 1999-04-10 | 2000-02-23 | 中国人民解放军总参谋部工程兵科研三所 | Prefabricated foldable flood control small dike add on top of the original dike |
| CN2432281Y (en) * | 2000-06-12 | 2001-05-30 | 宣汉县农业局 | Prefabricated construction member for building embankment |
| CN102373936A (en) * | 2010-08-24 | 2012-03-14 | 李大军 | Hydraulic telescopic bracket for downhole coal mine and downhole coal mining method using same |
| CN103912008B (en) * | 2014-04-02 | 2017-02-22 | 中国建筑第八工程局有限公司 | Unilateral formwork structure and construction method thereof |
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2018
- 2018-10-26 CN CN201811256981.0A patent/CN109235452B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN109235452A (en) | 2019-01-18 |
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Granted publication date: 20200707 |