CN215926000U - Foundation pit supporting structure for excavation of foundation pit - Google Patents
Foundation pit supporting structure for excavation of foundation pit Download PDFInfo
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- CN215926000U CN215926000U CN202122459758.XU CN202122459758U CN215926000U CN 215926000 U CN215926000 U CN 215926000U CN 202122459758 U CN202122459758 U CN 202122459758U CN 215926000 U CN215926000 U CN 215926000U
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Abstract
The application discloses a foundation pit supporting structure for foundation pit excavation, which relates to the technical field of municipal engineering, and aims to solve the problems that a general foundation pit supporting structure is temporary, and after the general foundation pit supporting structure is used, a reinforcing mesh material in a supporting mechanism can be abandoned, so that the material is wasted; the nesting mechanism comprises concrete, a rubber sleeve and a fixed disc. When the foundation pit is excavated, fixing holes need to be dug at the periphery of the foundation pit, concrete is poured into the fixing holes, supporting reinforcing steel bar meshes are installed and form a ring shape to surround the foundation pit, and the periphery of the foundation pit is supported to prevent collapse. The nesting mechanism is placed in the fixing hole, the supporting mechanism is composed of reinforcing steel bars and is used for fixing and supporting concrete, and after the supporting mechanism is used, the reinforcing steel bars of the supporting mechanism can be taken out of the nesting mechanism through the crane, so that the nesting mechanism can be recycled, and materials are saved.
Description
Technical Field
The application relates to the technical field of municipal works, in particular to a foundation pit supporting structure for foundation pit excavation.
Background
When general municipal works are excavated, a foundation pit is excavated in a target area, municipal engineering equipment pipelines and the like are installed in an auxiliary mode, and the foundation pit is an earth pit excavated at a foundation design position according to the base elevation and the base plane size. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The persons with low excavation depth can use the method of putting side slope to make the earth slope stable, and the size of the slope is determined according to the construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.
In view of the related art in the above, the inventors consider that there are drawbacks in that: a general foundation pit supporting structure is temporary, and after the general foundation pit supporting structure is used, a reinforcing mesh material in the supporting structure is discarded, so that the material is wasted.
SUMMERY OF THE UTILITY MODEL
In order to improve that general excavation supporting construction is interim, can give up the reinforcing bar net material among the supporting mechanism after the use, cause the extravagant problem of material, this application provides an excavation supporting construction for excavation of foundation ditch.
The application provides a foundation ditch supporting construction that excavation of foundation ditch was used adopts following technical scheme:
a foundation pit supporting structure for foundation pit excavation comprises a nesting mechanism and a supporting mechanism, wherein the supporting mechanism is inserted into the nesting mechanism in a sliding mode;
the nesting mechanism comprises concrete, a rubber sleeve and a fixed disc, wherein the fixed disc is fixedly connected to the rubber sleeve, and the rubber sleeve and the fixed disc are inserted into the concrete;
wherein, supporting mechanism is including solid fixed ring and reinforcing bar, the reinforcing bar weld in gu fixed ring is last, the quantity of reinforcing bar is eight, and eight the reinforcing bar is the annular and distributes, the reinforcing bar slides and inserts rubber sleeve's inside.
Optionally, a flow guide hole is formed in the center of the fixed disk, and auxiliary flow holes distributed annularly are formed in the fixed disk.
Optionally, the number of the rubber sleeves is eight, the eight rubber sleeves are distributed annularly, and the inner diameter of each rubber sleeve is equal to the outer diameter of each reinforcing steel bar.
Optionally, the reinforcing bar includes first reinforcing bar pole, second threaded rod, second reinforcing bar pole, third threaded rod, third reinforcing bar pole, fourth threaded rod and fourth reinforcing bar pole, first reinforcing bar pole passes through the second threaded rod with second reinforcing bar pole fixed connection, the second reinforcing bar pole passes through the third threaded rod with third reinforcing bar pole fixed connection, the third reinforcing bar pole passes through the fourth threaded rod with fourth reinforcing bar pole fixed connection.
Optionally, the second reinforcing bar with the second threaded rod welds mutually, the third reinforcing bar with the third threaded rod welds mutually, the fourth reinforcing bar with the fourth threaded rod welds mutually, first reinforcing bar with second threaded rod threaded connection, the second reinforcing bar with third threaded rod threaded connection, the third reinforcing bar with fourth threaded rod threaded connection.
Optionally, the top welding of reinforcing bar has the traction disc, install two hoisting machine structures that are annular distribution on the traction disc.
Optionally, hoisting machine constructs including support, carousel, rotary column and colludes the ring, the scaffold weldment in on the traction disc, the carousel rotate connect in the support inside wall, the rotary column rotate connect in the support inside wall, the carousel with the rotary column welds mutually, collude the ring weld in the top of rotary column.
Optionally, the bottom of the hook ring is provided with a rotating shaft, and the hook ring is hinged with a clamping rod through the rotating shaft.
To sum up, the present application includes the following beneficial effects:
when the foundation pit is excavated, fixing holes need to be dug at the periphery of the foundation pit, concrete is poured into the fixing holes, supporting reinforcing steel bar meshes are installed and form a ring shape to surround the foundation pit, and the periphery of the foundation pit is supported to prevent collapse. The nesting mechanism is placed in the fixing hole, the supporting mechanism is composed of reinforcing steel bars and is used for fixing and supporting concrete, and after the supporting mechanism is used, the reinforcing steel bars of the supporting mechanism can be taken out of the nesting mechanism through the crane, so that the nesting mechanism can be recycled, and materials are saved.
Drawings
FIG. 1 is a schematic structural view of a foundation pit supporting structure for excavation of a foundation pit according to the present invention;
FIG. 2 is a top view of the retaining ring of the present invention;
FIG. 3 is a top view of the holding pan of the present invention;
fig. 4 is a schematic view showing the connection relationship of the reinforcing bars of the present invention.
Description of reference numerals: 11. concrete; 12. a rubber sleeve; 13. fixing the disc; 14. a flow guide hole; 15. an auxiliary flow orifice; 21. a fixing ring; 22. reinforcing steel bars; 31. a traction disc; 32. a support; 33. a turntable; 34. turning the column; 35. hooking a ring; 36. a rotating shaft; 37. a clamping rod; 221. a first reinforcing bar rod; 223. a second threaded rod; 224. a second reinforcing bar rod; 226. a third threaded rod; 227. a third reinforcing bar rod; 229. a fourth threaded rod; 230. and a fourth reinforcing bar rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Example (b):
the embodiment of the application discloses a foundation pit supporting structure for foundation pit excavation, which comprises a nesting mechanism and a supporting mechanism, wherein the supporting mechanism is inserted into the nesting mechanism in a sliding manner; when the foundation pit is excavated, fixing holes need to be dug at the periphery of the foundation pit, concrete 11 is poured into the fixing holes, supporting reinforcing steel bar meshes are installed and form a ring shape to surround the foundation pit, and the periphery of the foundation pit is supported to prevent collapse. The nesting mechanism is placed in the fixing hole, the supporting mechanism is composed of reinforcing bars 22 and is used for fixing and supporting the concrete 11, and the reinforcing bars 22 of the supporting mechanism can be taken out of the nesting mechanism, so that the nesting mechanism can be recycled, and materials are saved.
Referring to fig. 1-3, the nesting mechanism comprises concrete 11, a rubber sleeve 12 and a fixing plate 13, the fixing plate 13 is fixedly connected to the rubber sleeve 12, and the rubber sleeve 12 and the fixing plate 13 are inserted into the concrete 11; after the excavation of the fixing hole around the foundation pit is finished, firstly, the fixing disc 13 and the rubber sleeve 12 are sunk into the fixing hole, then, the supporting mechanism is installed, and finally, the concrete 11 is filled in the excavated fixing hole and used for supporting the periphery of the foundation pit. The center of the fixed disk 13 is provided with a flow guide hole 14, and the fixed disk 13 is provided with auxiliary flow holes 15 which are distributed annularly. The diversion holes 14 and the auxiliary diversion holes 15 can allow the concrete 11 to pass through, so that the influence on the pouring of the concrete 11 is reduced. The number of the rubber sleeves 12 is eight, the eight rubber sleeves 12 are distributed in a ring shape, and the inner diameter of the rubber sleeves 12 is equal to the outer diameter of the reinforcing steel bar 22. The reinforcing rods 22 can be slidably inserted into the rubber casing 12.
Referring to fig. 1, 2 and 4, the support mechanism includes a fixing ring 21 and reinforcing bars 22, the reinforcing bars 22 are welded to the fixing ring 21, the number of the reinforcing bars 22 is eight, the eight reinforcing bars 22 are distributed in a ring shape, and the reinforcing bars 22 are slidably inserted into the rubber casing 12. The reinforcing bars 22 are used for fixing and supporting the concrete 11, the reinforcing bars 22 are composed of a plurality of reinforcing bars, and the reinforcing bars 22 comprise a first reinforcing bar rod 221, a second threaded rod 223, a second reinforcing bar rod 224, a third threaded rod 226, a third reinforcing bar rod 227, a fourth threaded rod 229 and a fourth reinforcing bar rod 230, which can be disassembled and are convenient to transport.
Referring to fig. 1, a traction disc 31 is welded on the top end of the reinforcing steel bar 22, and two hoisting mechanisms distributed in a ring shape are installed on the traction disc 31. Hoisting machine constructs including support 32, carousel 33, rotary column 34 and colluding ring 35, and support 32 welds on traction disc 31, and carousel 33 rotates to be connected in support 32 inside wall, and rotary column 34 rotates to be connected in support 32 inside wall, and carousel 33 welds with rotary column 34 mutually, colludes ring 35 and welds the top at rotary column 34. The bottom of colluding ring 35 installs pivot 36, colludes ring 35 and articulates through pivot 36 has kelly 37, and kelly 37 is used for blocking the loop wheel of loop wheel machine, prevents that the loop wheel from droing. The hook ring 35 of the hoisting mechanism is hoisted by the hoisting ring of the crane, so that the supporting mechanism can be lifted or lowered.
The implementation principle of a foundation pit supporting structure for foundation pit excavation of the embodiment of the application is as follows:
firstly, excavate the fixed orifices at the foundation ditch periphery, place nested mechanism in the fixed orifices, hoist the supporting mechanism through the loop wheel machine, and slide and insert nested mechanism in, pour into concrete 11 into the fixed orifices, concrete 11 can fill whole fixed orifices through water conservancy diversion hole 14 on the fixed disk 13, concrete 11 and supporting mechanism combined action, strut the foundation ditch, after the excavation of foundation ditch is finished using, hang the ring 35 that colludes of hoisting mechanism through the rings of loop wheel machine, thereby can promote the supporting mechanism, pull out the supporting mechanism, make the reinforcing bar pole of supporting mechanism reuse, save material and use.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a foundation ditch supporting construction that excavation was used which characterized in that: the device comprises a nesting mechanism and a supporting mechanism, wherein the supporting mechanism is inserted into the nesting mechanism in a sliding manner;
the nesting mechanism comprises concrete (11), a rubber sleeve (12) and a fixed plate (13), the fixed plate (13) is fixedly connected to the rubber sleeve (12), and the rubber sleeve (12) and the fixed plate (13) are inserted into the concrete (11);
the supporting mechanism comprises a fixing ring (21) and reinforcing steel bars (22), the reinforcing steel bars (22) are welded on the fixing ring (21), the number of the reinforcing steel bars (22) is eight, the reinforcing steel bars (22) are distributed in an annular shape, and the reinforcing steel bars (22) are inserted into the rubber sleeve (12) in a sliding mode.
2. The excavation supporting structure of claim 1, wherein: the center position of fixed disk (13) has seted up water conservancy diversion hole (14), set up on fixed disk (13) and be annular distribution's supplementary discharge orifice (15).
3. The excavation supporting structure of claim 1, wherein: the number of the rubber sleeves (12) is eight, the eight rubber sleeves (12) are distributed in an annular shape, and the inner diameter of each rubber sleeve (12) is equal to the outer diameter of each reinforcing steel bar (22).
4. The excavation supporting structure of claim 1, wherein: the reinforcing bar (22) comprises a first reinforcing bar rod (221), a second threaded rod (223), a second reinforcing bar rod (224), a third threaded rod (226), a third reinforcing bar rod (227), a fourth threaded rod (229) and a fourth reinforcing bar rod (230), wherein the first reinforcing bar rod (221) is fixedly connected with the second reinforcing bar rod (224) through the second threaded rod (223), the second reinforcing bar rod (224) is fixedly connected with the third reinforcing bar rod (227) through the third threaded rod (226), and the third reinforcing bar rod (227) is fixedly connected with the fourth reinforcing bar rod (230) through the fourth threaded rod (229).
5. The excavation supporting structure of claim 4, wherein: the second reinforcing bar rod (224) is welded with the second threaded rod (223), the third reinforcing bar rod (227) is welded with the third threaded rod (226), the fourth reinforcing bar rod (230) is welded with the fourth threaded rod (229), the first reinforcing bar rod (221) is in threaded connection with the second threaded rod (223), the second reinforcing bar rod (224) is in threaded connection with the third threaded rod (226), and the third reinforcing bar rod (227) is in threaded connection with the fourth threaded rod (229).
6. The excavation supporting structure of claim 1, wherein: the top welding of reinforcing bar (22) has traction disc (31), install two hoisting machine structures that are annular distribution on traction disc (31).
7. The excavation supporting structure of claim 6, wherein: hoisting machine constructs including support (32), carousel (33), rotary column (34) and colludes ring (35), support (32) weld in on traction disc (31), carousel (33) rotate connect in support (32) inside wall, rotary column (34) rotate connect in support (32) inside wall, carousel (33) with rotary column (34) welds mutually, collude ring (35) weld in the top of rotary column (34).
8. The excavation supporting structure of claim 7, wherein: the bottom of colluding ring (35) is installed pivot (36), collude ring (35) and articulate through pivot (36) and have kelly (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459758.XU CN215926000U (en) | 2021-10-13 | 2021-10-13 | Foundation pit supporting structure for excavation of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459758.XU CN215926000U (en) | 2021-10-13 | 2021-10-13 | Foundation pit supporting structure for excavation of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215926000U true CN215926000U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122459758.XU Active CN215926000U (en) | 2021-10-13 | 2021-10-13 | Foundation pit supporting structure for excavation of foundation pit |
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| Country | Link |
|---|---|
| CN (1) | CN215926000U (en) |
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2021
- 2021-10-13 CN CN202122459758.XU patent/CN215926000U/en active Active
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