CN221236051U - Soft soil foundation deep foundation pit supporting structure - Google Patents
Soft soil foundation deep foundation pit supporting structure Download PDFInfo
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- CN221236051U CN221236051U CN202322833383.8U CN202322833383U CN221236051U CN 221236051 U CN221236051 U CN 221236051U CN 202322833383 U CN202322833383 U CN 202322833383U CN 221236051 U CN221236051 U CN 221236051U
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- plate
- locating plate
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- sliding plate
- locating
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- 239000002689 soil Substances 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 4
- 241001330002 Bambuseae Species 0.000 abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 4
- 239000011425 bamboo Substances 0.000 abstract description 4
- 238000010009 beating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a deep foundation pit supporting structure of a soft soil foundation, which belongs to the field of supporting structures and comprises a guard plate and a grating plate, wherein a plurality of pressure springs are arranged between the guard plate and the grating plate, the lower end of the guard plate is rotationally connected with a first positioning plate, and the upper end of the guard plate is slidably provided with a first sliding plate; through setting up locating plate and soil nail, place the backplate on the foundation ditch slope, and fix backplate and first sliding plate's position with fastening bolt, place first locating plate and second locating plate again suitable position respectively, and have one side that is connected with the locating plate on striking first locating plate and the second locating plate with force, in the locating plate on with first locating plate, the second locating plate knocks into the soil layer, then rotate the soil nail through the hand wheel, utilize the screw-thread fit of soil nail and second spiral shell section of thick bamboo, make the lower extreme deep of soil nail prick into the soil layer, because locating plate's special shape and soil nail go deep in the soil layer, can prevent that first locating plate and second locating plate from becoming flexible.
Description
Technical Field
The utility model relates to the technical field related to supporting structures, in particular to a soft soil foundation deep foundation pit supporting structure.
Background
The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, and supporting, reinforcing and protecting measures adopted for the side wall of the foundation pit and the surrounding environment can effectively prevent surrounding soil from slipping and sliding, ensure construction quality and guarantee long-term stability and safety of projects.
Because the soil where some sites are located is soft soil, the soil is soft, soil nails used for fixing the guard plates on the foundation pit supporting structure are easy to incline in soil layers, so that the guard plates fall off from the slopes of the foundation pit, and the slope protection capability is lost.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a deep foundation pit supporting structure for a soft soil foundation.
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model discloses a deep foundation pit supporting structure of a soft soil foundation, which comprises a guard plate and a grid plate, wherein a plurality of pressure springs are arranged between the guard plate and the grid plate, the lower end of the guard plate is rotationally connected with a first positioning plate, the upper end of the guard plate is slidingly provided with a first sliding plate, one side, far away from the guard plate, of the first sliding plate is rotationally connected with a second sliding plate, the second sliding plate is slidingly provided with a second positioning plate, the lower surfaces of the two ends, far away from each other, of the first positioning plate and the second positioning plate are fixedly connected with positioning plate members, two soil nails are connected onto the first positioning plate and the second positioning plate in a threaded manner, two bearings are fixedly arranged on the second sliding plate, an adjusting screw rod is fixedly connected between the inner rings of the two bearings, and a first screw cylinder which is in threaded sleeve connection with the adjusting screw rod is fixedly arranged on the second positioning plate.
As a preferable technical scheme of the utility model, two connecting pieces are fixedly connected to two sides of the guard plate, and the two corresponding connecting pieces on two sides are staggered.
As a preferable technical scheme of the utility model, a plurality of spring dampers are fixedly arranged between the guard plate and the grating plate, and a plurality of pressure springs are respectively positioned on the plurality of spring dampers.
As a preferable technical scheme of the utility model, the first positioning plate and the second positioning plate are fixedly connected with two second screw barrels, the soil nails are positioned in the corresponding second screw barrels, and a hand wheel is fixedly arranged at the top end of each soil nail.
As a preferable technical scheme of the utility model, the upper end of the guard plate is fixedly connected with a first limiting frame, a plurality of fastening bolts are connected to the first limiting frame in a threaded manner, the first sliding plate slides in the first limiting frame, and a limiting strip is arranged at the lower end of the first sliding plate.
As a preferable technical scheme of the utility model, one side of the second positioning plate is fixedly connected with a second limiting frame, the first sliding plate slides in the second limiting frame, and two sides of one end of the second sliding plate are provided with limiting blocks.
As a preferable technical scheme of the utility model, a crank is fixedly connected to one end, far away from the bearing, of the adjusting screw and a plurality of fastening bolts.
The beneficial effects of the utility model are as follows:
1. This kind of weak soil foundation deep basal pit supporting construction, through setting up locating plate and soil nail, place the backplate on the foundation ditch slope, and fix backplate and first sliding plate's position with fastening bolt, place first locating plate and second locating plate respectively in suitable position again, and have one side that is connected with locating plate on beating first locating plate and the second locating plate with the power, in beating into the soil layer with locating plate on first locating plate, the second locating plate, then rotate the soil nail through the hand wheel, utilize the screw thread fit of soil nail and second spiral shell section of thick bamboo, make the lower extreme deep penetration soil layer of soil nail, thereby accomplish the fixed of first locating plate and second locating plate, because the special shape of locating plate and the depth of soil nail in the soil layer, can effectively prevent that first locating plate and second locating plate from appearing not hard up.
2. This kind of weak soil foundation deep basal pit supporting construction, through setting up adjusting screw and first spiral shell section of thick bamboo, because adjusting screw's one end is fixed in the inner ring of two bearings on the second sliding plate, and first spiral shell section of thick bamboo screw thread cup joints the other end at adjusting screw, consequently when rotating adjusting screw through the crank, adjusting screw can drive the second sliding plate gradually to one side of second locating plate remove, the grid board on the backplate can press the slope of foundation ditch this moment to under the elasticity effect of pressure spring, the earth on the grid board can be fixed the foundation ditch slope, prevent surrounding soil swift current side, landslide.
3. This kind of weak soil foundation deep basal pit supporting construction utilizes the rotation relation between first sliding plate and the second sliding plate through setting up first sliding plate and second sliding plate to the sliding relation of first sliding plate on the backplate, and the sliding relation of second sliding plate on the second locating plate, makes the backplate can place on the foundation ditch slope of different co-altitude, different inclination.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a deep foundation pit supporting structure of a soft foundation in a front view;
FIG. 2 is a schematic sectional view of a guard plate of a deep foundation pit supporting structure for soft soil foundation according to the present utility model;
FIG. 3 is a schematic view of a first positioning plate structure of a deep foundation pit supporting structure for soft soil foundation according to the present utility model;
fig. 4 is a schematic diagram of a connection structure between a first sliding plate and a second sliding plate of a deep foundation pit supporting structure for soft soil foundation according to the present utility model.
In the figure: 1. a guard board; 2. a grating plate; 3. a pressure spring; 4. a first positioning plate; 5. a first sliding plate; 6. a second sliding plate; 7. a second positioning plate; 8. positioning the plate; 9. soil nails; 10. a bearing; 11. adjusting a screw; 12. a first screw barrel; 13. a connecting piece; 14. a spring damper; 15. a second screw barrel; 16. a hand wheel; 17. a first limit frame; 18. a fastening bolt; 19. a second limit frame; 20. and (5) a crank.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the deep foundation pit supporting structure of the soft foundation comprises a guard plate 1 and a grid plate 2, wherein a plurality of pressure springs 3 are arranged between the guard plate 1 and the grid plate 2, the lower end of the guard plate 1 is rotationally connected with a first positioning plate 4, the upper end of the guard plate 1 is slidingly provided with a first sliding plate 5, one side, far away from the guard plate 1, of the first sliding plate 5 is rotationally connected with a second sliding plate 6, the second sliding plate 6 is slidingly provided with a second positioning plate 7, the lower surfaces of two ends, far away from each other, of the first positioning plate 4 and the second positioning plate 7 are fixedly connected with positioning plate pieces 8, two soil nails 9 are fixedly connected to the first positioning plate 4 and the second positioning plate 7, two bearings 10 are fixedly arranged on the second sliding plate 6, an adjusting screw 11 is fixedly connected between inner rings of the two bearings 10, and a first screw barrel 12 is fixedly connected to the second positioning plate 7 in a threaded sleeve joint on the adjusting screw 11.
Wherein, the both sides of backplate 1 are all fixedly connected with two connecting pieces 13, and two connecting pieces 13 that both sides correspond dislocation each other, through setting up connecting piece 13, conveniently link together a plurality of backplate 1 through the rivet in.
Wherein, fixed mounting has a plurality of spring damper 14 between backplate 1 and the grid board 2, and a plurality of pressure spring 3 are located a plurality of spring damper 14 respectively, through setting up spring damper 14, can fix the position of pressure spring 3 to prevent that pressure spring 3 from taking place the skew when receiving the extrusion.
Wherein, all fixedly connected with two second spiral shell barrels 15 on first locating plate 4 and the second locating plate 7, soil nail 9 are located corresponding second spiral shell barrel 15, and the equal fixed mounting in top of every soil nail 9 has hand wheel 16, through setting up second spiral shell barrel 15, can restrict the position of soil nail 9, through setting up hand wheel 16, can make things convenient for the rotation of soil nail 9.
Wherein, backplate 1's upper end fixedly connected with first spacing frame 17, threaded connection has a plurality of fastening bolt 18 on the first spacing frame 17, and first sliding plate 5 slides in first spacing frame 17, and the lower extreme of first sliding plate 5 is provided with spacing, through setting up first spacing frame 17, can restrict the slip scope of first sliding plate 5, through setting up fastening bolt 18, conveniently fix the position of first sliding plate 5 on backplate 1.
Wherein, one side fixedly connected with second spacing frame 19 of second locating plate 7, first sliding plate 5 slides in second spacing frame 19, and the both sides of second sliding plate 6 one end are provided with the stopper, through setting up second spacing frame 19, can restrict the slip scope of second sliding plate 6.
Wherein, all fixedly connected with crank 20 on the one end that keeps away from bearing 10 and a plurality of fastening bolt 18 on adjusting screw 11, through setting up crank 20, make things convenient for the rotation of adjusting screw 11 and fastening bolt 18.
When the device is in operation, when the positions of the first positioning plate 4 and the second positioning plate 7 are fixed, the first positioning plate 4 and the second positioning plate 7 are respectively placed at proper positions, the first positioning plate 4 and the second positioning plate 7 are knocked by force on one side, on which the positioning plate 8 is connected, of the first positioning plate 4 and the second positioning plate 7, the positioning plate 8 on the first positioning plate 4 and the second positioning plate 7 is knocked into a soil layer, then the soil nails 9 are rotated through the hand wheels 16, the lower ends of the soil nails 9 are deeply pricked into the soil layer by utilizing the threaded cooperation of the soil nails 9 and the second screw cylinders 15, so that the fixation of the first positioning plate 4 and the second positioning plate 7 is completed, then the positions of the guard plate 1 and the first sliding plate 5 are regulated by utilizing the sliding relation of the guard plate 1 and the first sliding plate 5, the grid plates 2 on the guard plate 1 are stuck on a slope, and the positions of the guard plate 1 and the first sliding plate 5 are fixed by the fastening bolts 18;
Then, the adjusting screw 11 is rotated by the crank 20, one end of the adjusting screw 11 is fixed in the inner rings of the two bearings 10 on the second sliding plate 6, and the first screw cylinder 12 is in threaded connection with the other end of the adjusting screw 11, so that when the adjusting screw 11 is rotated by the crank 20, the adjusting screw 11 gradually drives the second sliding plate 6 to move to one side of the second positioning plate 7, thereby driving the grid plate 2 on the guard plate 1 to press downwards towards the slope direction of the foundation pit, and under the elastic action of the pressure spring 3, the grid plate 2 can fix soil on the slope of the foundation pit to prevent surrounding soil from sliding and sliding.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a weak soil foundation deep basal pit supporting construction, its characterized in that, including backplate (1) and grid board (2), be provided with a plurality of pressure spring (3) between backplate (1) and grid board (2), the lower extreme rotation of backplate (1) is connected with first locating plate (4), the upper end slidable mounting of backplate (1) has first sliding plate (5), one side rotation that keeps away from backplate (1) on first sliding plate (5) is connected with second sliding plate (6), slidable mounting has second locating plate (7) on second sliding plate (6), the both ends lower surface that first locating plate (4) and second locating plate (7) keep away from each other is fixed fixedly connected with locating plate (8), equal threaded connection has two soil nails (9) on first locating plate (4) and the second locating plate (7), fixed mounting has two bearings (10) on second sliding plate (6), two fixedly connected with adjusting screw rod (11) between the inner ring of bearing (10), screw rod (11) are cup jointed on second screw rod (11) on second locating plate (7).
2. A deep foundation pit supporting structure for soft soil foundation according to claim 1, wherein two connecting pieces (13) are fixedly connected to two sides of the guard plate (1), and the two connecting pieces (13) corresponding to the two sides are staggered.
3. The deep foundation pit supporting structure of the soft foundation according to claim 1, wherein a plurality of spring dampers (14) are fixedly arranged between the guard plate (1) and the grating plate (2), and a plurality of compression springs (3) are respectively arranged on the plurality of spring dampers (14).
4. The deep foundation pit supporting structure of a soft soil foundation according to claim 1, wherein the first positioning plate (4) and the second positioning plate (7) are fixedly connected with two second screw barrels (15), the soil nails (9) are located in the corresponding second screw barrels (15), and a hand wheel (16) is fixedly installed at the top end of each soil nail (9).
5. The deep foundation pit supporting structure of a soft soil foundation according to claim 1, wherein a first limiting frame (17) is fixedly connected to the upper end of the guard plate (1), a plurality of fastening bolts (18) are connected to the first limiting frame (17) in a threaded manner, the first sliding plate (5) slides in the first limiting frame (17), and a limiting strip is arranged at the lower end of the first sliding plate (5).
6. The deep foundation pit supporting structure of a soft soil foundation according to claim 1, wherein one side of the second positioning plate (7) is fixedly connected with a second limiting frame (19), the first sliding plate (5) slides in the second limiting frame (19), and limiting blocks are arranged on two sides of one end of the second sliding plate (6).
7. The deep foundation pit supporting structure of soft foundation according to claim 5, wherein a crank (20) is fixedly connected to one end of the adjusting screw (11) far away from the bearing (10) and a plurality of fastening bolts (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833383.8U CN221236051U (en) | 2023-10-23 | 2023-10-23 | Soft soil foundation deep foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833383.8U CN221236051U (en) | 2023-10-23 | 2023-10-23 | Soft soil foundation deep foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221236051U true CN221236051U (en) | 2024-06-28 |
Family
ID=91594404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322833383.8U Active CN221236051U (en) | 2023-10-23 | 2023-10-23 | Soft soil foundation deep foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221236051U (en) |
-
2023
- 2023-10-23 CN CN202322833383.8U patent/CN221236051U/en active Active
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