CN213682132U - Deep foundation pit supporting structure - Google Patents
Deep foundation pit supporting structure Download PDFInfo
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- CN213682132U CN213682132U CN202022222011.8U CN202022222011U CN213682132U CN 213682132 U CN213682132 U CN 213682132U CN 202022222011 U CN202022222011 U CN 202022222011U CN 213682132 U CN213682132 U CN 213682132U
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- threaded rod
- backup pad
- supporting plate
- foundation pit
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Abstract
The utility model discloses a deep foundation pit supporting structure, which comprises a supporting plate, a positioning frame, a supporting plate, a threaded rod and a supporting inclined rod, wherein the threaded rod is positioned at one end outside the positioning frame and is provided with a turntable through a bolt, the threaded rod is positioned at one end inside the positioning frame and is rotationally connected with the supporting plate, a hinged support is fixedly arranged at the center of the front surface of the supporting plate through the bolt, the supporting plate is rotationally provided with the supporting inclined rod through the hinged support, the supporting inclined rod and the supporting plate are rotationally connected through the hinged support, when the supporting inclined rod is loosened, the threaded rod is driven to move towards the inner side of the positioning frame through the matching of a nut sleeve and the threaded rod through the rotation of the turntable, so that the supporting plate is pushed to move downwards, the supporting inclined rod is pushed to be further inserted towards the ground through the supporting plate, and the supporting of, the stability of the supporting plate for supporting the foundation pit wall is improved.
Description
Technical Field
The utility model relates to a excavation supporting technology field specifically is a deep basal pit supporting construction.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. 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 a method of placing a side slope to stabilize the soil slope, and the gradient size of the soil slope is determined according to relevant 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.
When excavation of a foundation pit, in order to avoid collapse of soil of a foundation pit wall, a supporting structure is used for supporting the foundation pit wall, but the existing foundation pit supporting structure has the following defects when in use:
the existing foundation pit supporting structure usually adopts a supporting diagonal rod to support a steel protection plate on a foundation pit wall, so that the effect of supporting the foundation pit wall is achieved, when the supporting diagonal rod is loosened, the supporting of the supporting diagonal rod on the steel protection plate cannot be further reinforced, and the stability in the actual use process is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a deep basal pit supporting construction to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a deep foundation pit supporting construction, includes backplate, posting, backup pad, threaded rod and supports the down tube, the positive center department of backplate has the posting through bolt fixed mounting, the inboard slidable mounting of posting has the backup pad, the center department at posting top is inlayed and is had the nut cover, nut cover axial lead department screw thread installs the threaded rod, the threaded rod is located the one end in the posting outside has the carousel through bolt fixed mounting, the threaded rod is located the inboard one end of posting with the backup pad rotates to be connected, the positive center department of backup pad has the free bearing through bolt fixed mounting, the backup pad passes through the free bearing rotates to install and supports the down tube.
The center department at backup pad both ends all has the slider through bolt fixed mounting, the cooperation has been seted up to the inboard symmetry of locating frame the spout of slider, the backup pad passes through the slider with spout cooperation slidable mounting is in the locating frame is inboard.
The threaded rod is located the inboard one end of locating frame has seted up smooth end, the center department of backup pad upper surface inlays and has the axle sleeve, the threaded rod passes through smooth end with the axle sleeve cooperation with the center department of backup pad upper surface rotates and is connected.
The length of the supporting inclined rod is larger than one half of the height of the supporting plate.
The supporting inclined rod is made of stainless steel materials, and a conical end is formed in one end, far away from the hinged support, of the supporting inclined rod.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a free bearing will support down tube and backup pad and rotate to be connected, when supporting the down tube and appear becoming flexible, rotates the threaded rod through the carousel, drives the threaded rod through nut cover and threaded rod cooperation and removes to the inboard direction of locating frame to promote the backup pad and remove downwards, promote through the backup pad and support the down tube and further insert to ground, thereby consolidate the support down tube and to the support of backup pad, improved the stability that the backup pad was strutted to the foundation ditch wall.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 4 is a schematic view of the sectional structure of the positioning frame of the present invention;
fig. 5 is a schematic view of the top view structure of the supporting plate of the present invention.
In the figure: 10-supporting guard plates; 20-a positioning frame; 21-a chute; 22-nut sleeves; 30-a support plate; 31-a slide block; 32-free bearing; 33-shaft sleeve; 40-threaded rod; 41-a turntable; 42-smooth end; 50-supporting the diagonal rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a deep foundation pit supporting structure comprises a supporting plate 10, a positioning frame 20, a supporting plate 30, a threaded rod 40 and a supporting inclined rod 50.
The supporting plate 10 is made of a steel protecting plate, a positioning frame 20 is fixedly installed at the front center of the supporting plate 10 through a bolt, a supporting plate 30 is slidably installed on the inner side of the positioning frame 20, a nut sleeve 22 is embedded at the center of the top of the positioning frame 20, a threaded rod 40 is installed at the axial lead of the nut sleeve 22 through a thread, a turntable 41 is installed at one end, located on the outer side of the positioning frame 20, of the threaded rod 40 through the bolt, the threaded rod 40 is rotatably connected with the supporting plate 30 at one end, located on the inner side of the positioning frame 20, of the threaded rod 40, a hinged support 32 is fixedly installed at the front center of the supporting plate 30 through the bolt, and.
Wherein, the supporting diagonal rod 50 is rotatably connected with the supporting plate 30 through the hinged support 32, the supporting plate 30 is supported through the threaded rod 40, thereby stabilizing the position of the supporting plate 30 at the inner side of the positioning frame 20, then the supporting plate 10 is leaned against the foundation pit wall, then the supporting diagonal rod 50 is rotated through the hinged support 32, so that a triangular structure is formed between the supporting diagonal rod 50 and the supporting plate 10, the bottom of the supporting diagonal rod 50 is inserted into the soil at the bottom of the foundation pit, the supporting plate 10 is supported through the supporting diagonal rod 50, when the supporting diagonal rod 50 is loosened, the threaded rod 40 is rotated through the turntable 41, the threaded rod 40 is driven to move towards the inner side of the positioning frame 20 through the matching of the nut sleeve 22 and the threaded rod 40, thereby the supporting plate 30 is pushed to move downwards, the supporting diagonal rod 50 is pushed by the supporting plate 30 to be further inserted towards the ground, thereby reinforcing the supporting of the supporting, the stability of the supporting plate 10 for supporting the foundation pit wall is improved.
Wherein, the center department at backup pad 30 both ends all has slider 31 through bolt fixed mounting, and locating frame 20 inboard symmetry is seted up the spout 21 that cooperates slider 31, and backup pad 30 cooperates slidable mounting at locating frame 20 inboard through slider 31 and spout 21.
The sliding block 31 and the sliding groove 21 are matched, so that the supporting plate 30 can slide on the inner side of the positioning frame 20 conveniently, and meanwhile, when the threaded rod 40 pushes the supporting plate 30 to move, the supporting plate 30 is prevented from inclining.
Wherein, the one end that the threaded rod 40 is located the inside of locating frame 20 is seted up smooth end 42, and the center department of the upper surface of backup pad 30 inlays and has the axle sleeve 33, and threaded rod 40 is through smooth end 42 and axle sleeve 33 cooperation and the center department of the upper surface of backup pad 30 rotation connection.
When the supporting diagonal rod 50 needs to be reinforced, the threaded rod 40 is rotated clockwise through the turntable 41, then the threaded rod 40 is matched with the nut sleeve 22 through the threaded rod 40, the threaded rod 40 is pushed to move towards the inner side of the positioning frame 20, the supporting plate 30 is pushed to slide downwards through the threaded rod 40, meanwhile, the bottom of the threaded rod 40 is matched with the supporting plate 30 through the smooth end 42 and the shaft sleeve 22 to rotate relatively, so that the supporting plate 30 can push the supporting diagonal rod 50 to be inserted into soil at the bottom of a foundation pit, and meanwhile, the supporting diagonal rod 50 can be used for directionally reinforcing the supporting of the supporting plate; when the supporting plate 10 needs to be detached, the threaded rod 40 is rotated anticlockwise through the turntable 41, then the threaded rod 40 is matched with the threaded rod 40 through the nut sleeve 22, the threaded rod 40 is driven to move towards the outer side of the positioning frame 20, the supporting plate 30 is driven to slide upwards through the threaded rod 40, meanwhile, the bottom of the threaded rod 40 is matched with the supporting plate 30 through the smooth end 42 and the shaft sleeve 22 to rotate relatively, the supporting plate 30 can drive the supporting inclined rod 50 to be pulled out of soil at the bottom of a foundation pit, after the supporting inclined rod 50 is pulled out of the soil, the supporting inclined rod 50 is rotated through the hinged support 32, the supporting inclined rod 50 is prevented from contacting with the soil at the bottom of the foundation pit, then the supporting plate 10 can be directly detached after the supporting plate 10 loses the support of the supporting inclined rod 50, and detachment.
Wherein, the length dimension of the supporting diagonal rods 50 is larger than one half of the height dimension of the supporting and protecting plate 10.
Wherein, support down tube 50 and adopt stainless steel material to make, and support down tube 50 and keep away from the conical end has been seted up to the one end of free bearing 32, through setting up the bottom of supporting down tube 50 to the conical end, has made things convenient for the bottom of supporting down tube 50 to insert in the earth of foundation ditch bottom.
The working principle is as follows: when the supporting inclined rod 50 is loosened, the threaded rod 40 is rotated through the rotary disc 41, the threaded rod 40 is driven to move towards the inner side of the positioning frame 20 through the matching of the nut sleeve 22 and the threaded rod 40, so that the supporting plate 30 is pushed to move downwards, the supporting inclined rod 50 is pushed to be further inserted towards the ground through the supporting plate 30, the supporting of the supporting inclined rod 50 on the supporting plate 10 is reinforced, and the stability of the supporting plate 10 on the foundation pit wall is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a deep basal pit supporting construction, includes backplate (10), locating frame (20), backup pad (30), threaded rod (40) and support down tube (50), its characterized in that: the utility model discloses a quick-witted support for fixing a position, including a supporting plate (10), the positive center department of backplate (10) has locating frame (20) through bolt fixed mounting, locating frame (20) inboard slidable mounting has backup pad (30), the center department at locating frame (20) top is inlayed and is had nut cover (22), threaded rod (40) are installed to nut cover (22) axial lead department screw thread, threaded rod (40) are located the one end in locating frame (20) outside has carousel (41) through bolt fixed mounting, threaded rod (40) are located the inboard one end of locating frame (20) with backup pad (30) rotate to be connected, backup pad (30) positive center department has free bearing (32) through bolt fixed mounting, backup pad (30) pass through free bearing (32) are rotated and are installed and are supported down tube (50).
2. A deep foundation pit supporting construction according to claim 1, wherein: the center department at backup pad (30) both ends all has slider (31) through bolt fixed mounting, the cooperation has been seted up to locating frame (20) inboard symmetry spout (21) of slider (31), backup pad (30) pass through slider (31) with spout (21) cooperation slidable mounting be in locating frame (20) are inboard.
3. A deep foundation pit supporting construction according to claim 1, wherein: threaded rod (40) are located smooth end (42) have been seted up to the inboard one end of locating frame (20), the center department of backup pad (30) upper surface inlays and has axle sleeve (33), threaded rod (40) pass through smooth end (42) with axle sleeve (33) cooperation with the center department swivelling joint of backup pad (30) upper surface.
4. A deep foundation pit supporting construction according to claim 1, wherein: the length dimension of the supporting diagonal rod (50) is larger than one half of the height dimension of the supporting and protecting plate (10).
5. A deep foundation pit supporting construction according to claim 1, wherein: the supporting inclined rod (50) is made of stainless steel materials, and a conical end is formed in one end, far away from the hinged support (32), of the supporting inclined rod (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222011.8U CN213682132U (en) | 2020-09-30 | 2020-09-30 | Deep foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222011.8U CN213682132U (en) | 2020-09-30 | 2020-09-30 | Deep foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213682132U true CN213682132U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022222011.8U Active CN213682132U (en) | 2020-09-30 | 2020-09-30 | Deep foundation pit supporting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892680A (en) * | 2022-06-21 | 2022-08-12 | 北京诺和兴建设工程有限公司 | Trapezoidal groove supporting structure for pipeline construction and construction method thereof |
-
2020
- 2020-09-30 CN CN202022222011.8U patent/CN213682132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892680A (en) * | 2022-06-21 | 2022-08-12 | 北京诺和兴建设工程有限公司 | Trapezoidal groove supporting structure for pipeline construction and construction method thereof |
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