CN220768102U - Stable foundation pit supporting structure - Google Patents
Stable foundation pit supporting structure Download PDFInfo
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- CN220768102U CN220768102U CN202322466938.XU CN202322466938U CN220768102U CN 220768102 U CN220768102 U CN 220768102U CN 202322466938 U CN202322466938 U CN 202322466938U CN 220768102 U CN220768102 U CN 220768102U
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- gag lever
- lever post
- purlin
- foundation pit
- groove
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000010276 construction Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a stable foundation pit supporting structure, which comprises an enclosing purlin and Lassen steel sheet piles, wherein the enclosing purlin comprises two groups of first limiting rods and two groups of second limiting rods, the first limiting rods and the second limiting rods are connected in an up-and-down staggered mode to form the enclosing purlin, the connection parts of the first limiting rods and the second limiting rods are locked through first fasteners, corner joints formed by connecting the first limiting rods and the second limiting rods are embedded with corner supports.
Description
Technical Field
The utility model relates to the technical field of foundation pit support, in particular to a stable foundation pit support structure.
Background
The foundation pit support is a commonly used foundation pit support material for ensuring the safety of underground structure construction and surrounding environment of the foundation pit, and the Lassen steel sheet pile is a commonly used foundation pit support material, has the advantages of simple structure, convenient construction, low cost and the like, so that the Lassen steel sheet pile is widely applied in the foundation pit support, the construction process of the Lassen steel sheet pile is relatively simple, and the steel sheet pile is only required to be vertically inserted into the soil along the edge of the excavated foundation pit, and then the steel sheet pile is driven into the soil by a vibrating hammer or a pile driver until the required depth is reached.
In the prior art, after the Larson steel plate is installed, in order to reinforce the rectangular groove formed by the Larson steel plate, the top of the rectangular groove is reinforced by the surrounding purlin which is matched with the Larson steel plate, so that a stable foundation pit supporting structure is formed, but the surrounding purlin is manufactured in a welding mode, so that the surrounding purlin is inconvenient to install and disassemble, the surrounding purlin is inconvenient to reutilize, the mounting and the dismounting are time-consuming, the working efficiency is reduced, and the engineering progress is easy to drag.
Disclosure of Invention
The utility model aims to provide a stable foundation pit supporting structure so as to solve the problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the stable foundation pit supporting structure comprises an enclosing purlin and Lassen steel sheet piles, wherein the Lassen steel sheet piles are inserted in a positive-negative way according to the size of a foundation pit to form a closed rectangular groove, the enclosing purlin is connected with the top of the rectangular groove to form the foundation pit supporting structure,
the enclosing purlin comprises two groups of first limiting rods and two groups of second limiting rods, the two groups of first limiting rods and the two groups of second limiting rods are symmetrically arranged, the first limiting rods and the second limiting rods are connected in an up-and-down staggered mode to form the enclosing purlin, the connection position of the first limiting rods and the second limiting rods is locked through a first fastener, corner parts formed by connecting the first limiting rods with the second limiting rods are embedded with corner supports, the corner supports are connected with the enclosing purlin through a second fastener, and a plurality of groups of hooks connected with Lasen steel sheet piles are slidably mounted on the outer wall of the enclosing purlin.
Preferably, the upper portions of the two ends of the first limiting rod are provided with first clamping grooves, the first clamping grooves are formed in a depth which is half of the thickness of the first limiting rod, the lower portions of the two ends of the second limiting rod are provided with second clamping grooves, and the second clamping grooves are formed in a depth which is half of the thickness of the second limiting rod.
Preferably, the first fastener includes a first bolt and a first nut, and the threaded portion of the first bolt penetrates through the joint of the first limiting rod and the second limiting rod at the same time, and then is in threaded connection with the first nut, and the first nut is tightened to fasten the first limiting rod and the second limiting rod.
Preferably, the two sides of the inner side corner of the enclosing purlin are provided with third clamping grooves matched with the end parts of the corner supports, the two ends of the corner supports are embedded into the third clamping grooves, and the bottom walls of the two groups of third clamping grooves are provided with screw holes matched with the second fastener.
Preferably, the second fastener is specifically a second bolt, and the two groups of second bolts respectively penetrate through two ends of the angle brace and are in threaded connection with the screw holes.
Preferably, the outer wall of enclosing the purlin has all seted up the spout, the slide bar is all installed to the inside of spout, the outside cover of slide bar is established multiunit slidable the couple, the couple can with Lasen steel sheet pile colludes even.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model can complete the disassembly of the diagonal brace by releasing the limit of the second fastener diagonal brace, and because the first limit rod and the second limit rod are connected in an up-and-down staggered way to form the enclosing purlin, when the first fastener is released to lock the first limit rod and the second limit rod, the second limit rod can be moved upwards to separate from the first limit rod, and simultaneously the hook connection with the Lassen steel sheet pile is released, the separation between the first limit rod and the Lassen steel sheet pile can be completed, and then the first limit rod is moved upwards to release the hook connection with the Lassen steel sheet pile, so that the disassembly of the first limit rod can be completed, and compared with the enclosing purlin manufactured in a welding mode in the existing foundation pit supporting structure, the disassembly and the assembly are more convenient, thereby being beneficial to greatly improving the working efficiency, being beneficial to accelerating the engineering progress and being convenient for carrying out secondary utilization on the disassembled enclosing purlin.
2. The first limiting rod and the second limiting rod are identical in thickness, the first clamping groove and the second clamping groove are formed in a depth which is half of the thickness of the first limiting rod and the second limiting rod, the first limiting rod and the second limiting rod are connected to form a rectangular frame with a flat surface, the hook is kept at the same height, accordingly stability of connection with Lassen steel sheet piles is improved, after the first limiting rod and the second limiting rod are connected end to end, a first bolt passes through the first limiting rod and the second limiting rod at the same time, and then is connected with the first nut in a threaded mode, the first nut can not be screwed first, after four corners of the surrounding purlin are adjusted, and after the corner supports are installed, the first nut is screwed down until screwing is stopped, and fastening of the first limiting rod and the second limiting rod is completed.
3. According to the utility model, two ends of the angle brace are respectively inserted into two groups of third clamping grooves, a second bolt passes through the end part of the angle brace and is in threaded connection with a screw hole, and the second bolt is screwed down until the second bolt is screwed down, so that the angle brace is installed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the corner of the purlin of the utility model;
FIG. 3 is an enlarged view of the present utility model at structure A;
FIG. 4 is an enlarged view of the present utility model at structure B;
fig. 5 is a schematic view of a single hanger for an enclosure of the present utility model.
In the figure: 1. the first limiting rod, 2, the second limiting rod, 3, the angle brace, 4, the couple, 5, first draw-in groove, 6, second draw-in groove, 7, first bolt, 8, first nut, 9, third draw-in groove, 10, screw, 11, second bolt, 12, spout, 13, slide bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-5, the utility model provides a stable foundation pit supporting structure, which comprises an enclosing purlin and Lassen steel sheet piles, wherein the Lassen steel sheet piles are inserted in a positive-negative way according to the foundation pit size to form a closed rectangular groove, the enclosing purlin is connected with the top of the rectangular groove to form the foundation pit supporting structure,
enclose the purlin and include two sets of first gag lever posts 1 and two sets of second gag lever posts 2, two sets of first gag lever posts 1 and two sets of second gag lever posts 2 are the symmetry setting, and first gag lever post 1 and second gag lever post 2 crisscross the formation about the purlin from top to bottom, the junction of first gag lever post 1 and second gag lever post 2 locks through first fastener, first gag lever post 1 is embedded to have angle brace 3 with the corner that second gag lever post 2 is connected formation, angle brace 3 is connected with enclosing the purlin through the second fastener, the outer wall slidable mounting of enclosing the purlin multiunit and Lasen steel sheet pile are connected couple 4.
In this embodiment, remove the spacing of second fixer diagonal brace 3, can accomplish the dismantlement of diagonal brace 3, because first gag lever post 1 and the crisscross purlin that constitutes from top to bottom of second gag lever post 2, when removing the locking of first fixer to first gag lever post 1 and second gag lever post 2, can upwards remove second gag lever post 2, make it break away from first gag lever post 1, remove simultaneously and collude the company of linking with Lasen steel sheet pile, can accomplish the separation with first gag lever post 1 and Lasen steel sheet pile, then upwards remove first gag lever post 1 again, remove its and collude the company of Lasen steel sheet pile, can accomplish the demolishment of first gag lever post 1, from this, compare in the present foundation ditch supporting structure, enclose the purlin of making with the welding mode, more be convenient for dismouting use, thereby help improving work efficiency by a wide margin, help accelerating the engineering progress, also be convenient for carry out the reutilization to the purlin of dismantling.
Referring to fig. 1-5, the upper parts of two ends of the first stop lever 1 are provided with first clamping grooves 5, the first clamping grooves 5 are provided with a depth which is half of the thickness of the first stop lever 1, the lower parts of two ends of the second stop lever 2 are provided with second clamping grooves 6, the second clamping grooves 6 are provided with a depth which is half of the thickness of the second stop lever 2, the first fastener comprises a first bolt 7 and a first nut 8, the threaded part of the first bolt 7 penetrates through the joint of the first stop lever 1 and the second stop lever 2 at the same time, then is in threaded connection with the first nut 8, and the first stop lever 1 and the second stop lever 2 are fastened by screwing the first nut 8.
In this embodiment, the thicknesses of the first stop lever 1 and the second stop lever 2 are the same, and the opening depths of the first clamping groove 5 and the second clamping groove 6 are half of the thicknesses thereof, so that after the first stop lever 1 is connected with the second stop lever 2, a rectangular frame with a flat surface is formed, which is helpful for keeping the hook 4 at the same height, thereby improving the stability of connection with the Lassen steel sheet pile, after the first stop lever 1 is connected with the second stop lever 2 end to end, the first bolt 7 passes through the first stop lever 1 and the second stop lever 2 at the same time, and then is connected with the first nut 8 in a threaded manner, the first nut 8 can not be screwed up, and after four corners of the enclosing purlin are adjusted, the first nut 8 is screwed up until the fastening of the first stop lever 1 and the second stop lever 2 is completed.
Referring to fig. 1-5, third clamping grooves 9 adapted to the end parts of the corner brace 3 are formed on two sides of the inner side corner of the enclosing purlin, the third clamping grooves 9 are embedded into two ends of the corner brace 3, screw holes 10 adapted to second fasteners are formed on bottom walls of the two groups of third clamping grooves 9, the second fasteners are specifically second bolts 11, the two groups of second bolts 11 penetrate through two ends of the corner brace 3 respectively and are in threaded connection with the screw holes 10, sliding grooves 12 are formed in the outer wall of the enclosing purlin, sliding rods 13 are mounted in the sliding grooves 12, a plurality of groups of slidable hooks 4 are sleeved outside the sliding rods 13, and the hooks 4 can be hooked with the rassen steel sheet piles.
In this embodiment, two ends of the gusset 3 are respectively inserted into two sets of third clamping grooves 9, after the second bolt 11 passes through the end of the gusset 3 and is in threaded connection with the screw hole 10, the second bolt 11 is screwed down until the second bolt is screwed down, and the installation of the gusset 3 is completed, because the lason steel sheet pile is installed in a positive-negative hooking manner, the contact of the lason steel sheet pile and the surrounding purlin is not a flat plane, the sliding hook 4 moves on the sliding rod 13, the sliding hook is adjusted to the position where the lason steel sheet pile is attached to the surrounding purlin, then the hook 4 is hung on the lason steel sheet pile under the action of gravity of the surrounding purlin, and the surrounding purlin is not separated from the lason steel sheet pile, so that the top of the rectangular groove formed by the lason steel sheet pile is reinforced.
Working principle: firstly, after the first limiting rod 1 and the second limiting rod 2 are connected end to end, the first bolt 7 passes through the first limiting rod 1 and the second limiting rod 2 at the same time and is in threaded connection with the first nut 8, the first nut 8 can not be screwed up, two ends of the angle brace 3 are respectively inserted into two groups of third clamping grooves 9, the second bolt 11 passes through the end part of the angle brace 3 and is in threaded connection with the screw hole 10, the second bolt 11 is screwed up until the second bolt 11 is screwed up, the installation of the angle brace 3 is completed, the first nut 8 is screwed up until the first bolt is screwed up, namely the fastening of the first limiting rod 1 and the second limiting rod 2 is completed, and because the Lassen steel sheet pile is installed in a positive-negative mutual hooking manner, the Lassen steel sheet pile is not in a flat plane which is in contact with the surrounding purlin, the Lassen steel sheet pile is adjusted to a place where the Lassen steel pile is attached to the surrounding purlin through the sliding hook 4, then the hook 4 is hung on the Lassen steel sheet pile under the action of gravity of the surrounding pile, and the Lassen steel pile is not separated from the top of the surrounding purlin, so that the surrounding pile is reinforced.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a stable foundation ditch supporting construction, includes enclosing purlin and Lasen steel sheet pile, lasen steel sheet pile is just one anti-according to foundation ditch size, forms confined rectangular channel, enclosing the purlin with the top of rectangular channel is connected, forms foundation ditch supporting construction, its characterized in that:
enclose purlin includes two sets of first gag lever post (1) and two sets of second gag lever post (2), two sets of first gag lever post (1) and two sets of second gag lever post (2) are the symmetry setting, just first gag lever post (1) with crisscross constitution from top to bottom of second gag lever post (2) enclose the purlin, first gag lever post (1) with the junction of second gag lever post (2) locks through first fastener, first gag lever post (1) with the corner that second gag lever post (2) are connected and are formed is embedded to have angle brace (3), angle brace (3) pass through the second fastener with enclose the purlin and be connected, enclose the outer wall slidable mounting multiunit of purlin with couple (4) that the Lasen sheet pile is connected.
2. The stable foundation pit supporting structure of claim 1, wherein: the upper portion at first gag lever post (1) both ends has all seted up first draw-in groove (5), the depth of seting up of first draw-in groove (5) is half of first gag lever post (1) thickness, second draw-in groove (6) have all been seted up to the lower part at second gag lever post (2) both ends, the depth of seting up of second draw-in groove (6) is half of second gag lever post (2) thickness.
3. The stable foundation pit supporting structure of claim 1, wherein: the first fastener comprises a first bolt (7) and a first nut (8), the threaded part of the first bolt (7) penetrates through the joint of the first limiting rod (1) and the second limiting rod (2) at the same time, then is in threaded connection with the first nut (8), and the first nut (8) is screwed down to fasten the first limiting rod (1) and the second limiting rod (2).
4. The stable foundation pit supporting structure of claim 1, wherein: the utility model discloses a novel double-sided purlin, including enclosing purlin, including angle brace (3) and second fastener, enclosing purlin inboard both sides of turning all set up with third draw-in groove (9) of angle brace (3) tip looks adaptation, the both ends embedding of angle brace (3) third draw-in groove (9), and two sets of screw (10) of second fastener looks adaptation are all seted up to the diapire of third draw-in groove (9).
5. The stable foundation pit supporting structure of claim 4, wherein: the second fasteners are specifically second bolts (11), and the two groups of second bolts (11) penetrate through two ends of the angle brace (3) respectively and are in threaded connection with the screw holes (10).
6. The stable foundation pit supporting structure of claim 1, wherein: the outer wall of enclosing purlin has all seted up spout (12), slide bar (13) are all installed to the inside of spout (12), the outside cover of slide bar (13) is established multiunit slidable couple (4), couple (4) can with Lassen steel sheet pile colludes and links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322466938.XU CN220768102U (en) | 2023-09-12 | 2023-09-12 | Stable foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322466938.XU CN220768102U (en) | 2023-09-12 | 2023-09-12 | Stable foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220768102U true CN220768102U (en) | 2024-04-12 |
Family
ID=90617989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322466938.XU Active CN220768102U (en) | 2023-09-12 | 2023-09-12 | Stable foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220768102U (en) |
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2023
- 2023-09-12 CN CN202322466938.XU patent/CN220768102U/en active Active
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