CN220538655U - Foundation pit supporting mechanism - Google Patents
Foundation pit supporting mechanism Download PDFInfo
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- CN220538655U CN220538655U CN202320471760.5U CN202320471760U CN220538655U CN 220538655 U CN220538655 U CN 220538655U CN 202320471760 U CN202320471760 U CN 202320471760U CN 220538655 U CN220538655 U CN 220538655U
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- limiting
- foundation pit
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a foundation pit supporting mechanism, wherein an adjusting mechanism is arranged in an adjusting box; the two groups are driven to be close to or far away from each other by the adjusting mechanism, a transmission mechanism is arranged on the supporting plate; the fixed auger is arranged on the supporting plate and driven by the transmission mechanism to drill into the inner side wall of the foundation pit; this foundation ditch supporting mechanism through placing the bottom of foundation ditch inside with the regulating box, and under the actuating mechanism drive, contacts the inner wall of foundation ditch with two backup pads, and then realizes the support protection to the foundation ditch inner wall, and through the free regulation of distance between two backup pads, very big improvement carries out the effect of support protection to not equidimension foundation ditch. The fixed auger is drilled into the inner wall of the foundation pit through the transmission mechanism, so that the connection strength is further improved.
Description
Technical Field
The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support mechanism.
Background
The soil retaining structure and the groundwater control and environmental protection measures required for ensuring the safety and stability of the underground space formed by excavating the ground downwards during the construction of the underground structure are called foundation pit engineering. The foundation pit support is used for ensuring the safety of underground structure construction and the surrounding environment of the foundation pit, and is used for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment.
For example, a foundation pit supporting mechanism with a chinese patent publication No. CN209669884U comprises a left fixing seat, a steel mesh is fixedly connected to the right side of the left fixing seat, a right fixing seat is fixedly connected to the right side of the steel mesh, an insert block is fixedly connected to the middle point of the left side of the left fixing seat, clamping grooves are formed in the top and bottom of the insert block, a cavity is formed in the right fixing seat, return springs are fixedly connected to the middle points of the top and bottom of the inner wall of the cavity, and fixing blocks are fixedly connected to opposite ends of the two return springs; the effect of convenient assembly is realized, the assembly process is simple to operate, time and labor are saved, the labor intensity of workers is reduced, the construction efficiency is improved, and great convenience is brought to a construction party;
however, the device is through the effect of more convenient concatenation to strutting arrangement, but when in actual use, because the foundation ditch is little different when the excavation, and when strutting the not unidimensional foundation ditch, because inconvenient to strutting arrangement's supporting range adjusts, and then very big reduction the efficiency to the foundation ditch support, simultaneously, only the butt with foundation ditch inside wall and left/right fixing base, the connection effect is relatively poor.
Disclosure of Invention
The utility model aims to provide a foundation pit supporting mechanism for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a foundation ditch supporting mechanism which characterized in that: comprising the following steps:
the adjusting mechanism is arranged in the adjusting box;
the two groups of the support plates are driven to be close to or far away from each other by the adjusting mechanism, and the transmission mechanism is arranged on the support plates;
the fixed auger is arranged on the supporting plate and driven by the transmission mechanism to drill into the inner side wall of the foundation pit.
Preferably, the support plate is in a circular arc structure.
Preferably, the support plate is provided with a first power device and an extension piece, and the first power device is used for driving the extension piece to slide outwards from the end part of the support plate.
Preferably, the transmission mechanism comprises a fixed cylinder, a threaded sleeve and a screw rod, wherein the threaded sleeve is fixed in the fixed cylinder, the fixed auger is fixed at the end part of the coaxial screw rod, and the end part of the fixed cylinder is in a conical/circular truncated cone structure.
Preferably, the adjusting mechanism comprises a second power device, a thread bush, a first threaded rod and a second threaded rod, the thread bush is driven by the second power device to be in rotary fit in the adjusting box, the first threaded rod and the second threaded rod are in spiral fit with the thread bush, the spiral directions of the first threaded rod and the second threaded rod are opposite, and the two groups of supporting plates are fixedly connected with the outer end parts of the first threaded rod and the second threaded rod respectively.
Preferably, the adjusting mechanism further comprises a limiting cylinder, a limiting sliding rod and a limiting sliding block, wherein the limiting sliding block is in left and right limiting sliding fit in the limiting cylinder, and the supporting plate is connected with the corresponding limiting sliding block through the limiting sliding rod.
Compared with the prior art, the utility model has the beneficial effects that:
this foundation ditch supporting mechanism through placing the bottom of foundation ditch inside with the regulating box, and under the actuating mechanism drive, contacts the inner wall of foundation ditch with two backup pads, and then realizes the support protection to the foundation ditch inner wall, and through the free regulation of distance between two backup pads, very big improvement carries out the effect of support protection to not equidimension foundation ditch.
Meanwhile, after the supporting plate is attached to the inner wall of the foundation pit, the fixed auger is drilled into the inner wall of the foundation pit through the transmission mechanism, and the connection strength is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;
FIG. 4 is a schematic view of a partially enlarged structure of the present utility model at B in FIG. 1;
FIG. 5 is a schematic view of a partially enlarged structure of the present utility model at C in FIG. 1;
fig. 6 is a schematic view of a partial enlarged structure at D in fig. 1 according to the present utility model.
1. An adjusting box; 2. a support plate; 3. a thread sleeve; 4. a circular ring rotating plate; 5. a threaded rod; 6. a second motor; 7. a conical gear set; 8. a fixed cylinder; 9. a screw sleeve; 10. a screw; 11. a fixed shaft; 12. fixing a packing auger; 13. an extension; 14. a fixed rack; 15. a first motor; 16. rotating the handle; 17. a limiting cylinder; 18. a limit slide bar; 19. and a limit sliding block.
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.
Examples:
as shown in fig. 1-6:
an adjusting mechanism is arranged in the adjusting box 1 and comprises a second power device, a threaded sleeve 3, a first threaded rod 4 and a second threaded rod 5, wherein the second power device comprises a second motor 6 and a conical gear set 7;
the screw sleeve 3 is horizontally and rotatably connected inside the adjusting box 1, the first threaded rod 4 is in left-hand connection with the left part of the inner cavity of the screw sleeve 3, the second threaded rod 5 is in right-hand connection with the right part of the inner cavity of the screw sleeve 3, the left end of the first threaded rod 4 is fixedly connected with the left supporting plate 2, and the right end of the second threaded rod 5 is fixedly connected with the right supporting plate 2; the output end of the second motor 6 is in transmission connection with the middle part of the thread bush 3 through a conical gear set 7;
the regulating box 1 is internally provided with a limiting cylinder 17, a limiting slide rod 18 and a limiting slide block 19, the limiting cylinder 17 is fixedly arranged in the regulating box 1, a left limiting cavity and a right limiting cavity are formed in the limiting cylinder 17, one group of limiting slide blocks 19 on the left side are in linear sliding fit in the left limiting cavity and cannot be separated, the other group of limiting slide blocks 19 on the right side are in linear sliding fit in the right limiting cavity and cannot be separated, the left group of limiting slide blocks 19 are fixedly connected with the left supporting plate 2 through the limiting slide rod 18, and the other group of limiting slide blocks 19 on the right side are fixedly connected with the right supporting plate 2 through the limiting slide rod 18.
Thereby, second motor 6 drives thread bush 3 rotation through conical gear group 7, and thread bush 3 rotation drives first threaded rod 4 and second threaded rod 5 synchronous be close to each other or keep away from to realize adjusting the interval between two sets of backup pads 2, this in-process, spacing slider 19 is in spacing intracavity linear sliding of spacing section of thick bamboo 17, plays the stability that the guide spacing effect, further improvement backup pad 2 removed.
When the foundation pit supporting device is used, firstly, the adjusting box 1 is placed at the bottom end of the inside of the foundation pit, the two supporting plates 2 are pushed to be contacted with the opposite two inner walls of the foundation pit, and then supporting protection of the inner walls of the foundation pit is achieved.
The side wall of the supporting plate 2 is provided with a plurality of fixed barrels 8, one end of each fixed barrel 8 close to the inner wall of the foundation pit is in a round platform structure, a threaded sleeve 9 is fixedly arranged in each fixed barrel 8, a screw rod 10 is connected in the threaded sleeve 9 in a threaded manner, one end of each screw rod 10, which is away from the inner wall of the foundation pit, is provided with a rotary handle 16, and one end of each screw rod 10, which is close to the inner wall of the foundation pit, is provided with a fixed auger 12; normally, the fixed auger 12 is retracted into the fixed cylinder 8, and one end of the fixed auger 12, which is close to the inner wall of the foundation pit, is in a sharp structure, so that the fixed auger 12 is beneficial to being inserted into the inner wall of the foundation pit;
when in use, the screw rod 10 is driven to rotate by rotating the handle 16, so that the fixed auger 12 is pushed to be spirally inserted into the inner wall of the foundation pit along the axial direction of the thread bush 3.
The support plate 2 is in a circular arc or straight plate structure, and the support plate 2 with a corresponding structure can be selected according to different foundation pit shapes.
The end part of the support plate 2 is internally provided with a first power device and an extension piece 13, the first power device comprises a first motor 15 and a driving gear arranged at the output end of the first motor 15, the extension piece 13 is in sliding fit with the end part of the support plate 2 relatively, the first motor 15 is arranged on the extension piece 13 relatively, the end part of the support plate 2 is fixedly provided with a fixed rack 14, and the driving gear is meshed with the fixed rack 14;
so that the first motor 15 drives the driving gear to rotate, and the driving gear and the fixed rack 14 which is relatively fixed are meshed to reversely push the extension piece 13 to slide;
if the support plate 2 is in a linear structure, the extension piece 13 is in linear sliding fit relative to the end part of the support plate 2;
if the support plate 2 is of an arc-shaped structure, the extension piece 13 is in arc-shaped sliding fit at the end part of the support plate 2, and the shapes of the driving gear and the fixed rack 14 are adapted in a following and changing way.
The extension piece 13 can prolong the length of backup pad 2 relatively, can adjust the area of contact with the foundation ditch inner wall according to the demand, not only adapt to the demand of using under the different environment, further improvement is to the support protection effect of foundation ditch inner wall moreover. When not in use, the extension piece 13 can be completely retracted into the support plate 2 to reduce the size, thereby facilitating transportation and storage.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a foundation ditch supporting mechanism which characterized in that: comprising the following steps:
the device comprises an adjusting box (1), wherein an adjusting mechanism is arranged in the adjusting box (1);
the two groups of the support plates (2) are driven to be close to or far away from each other by an adjusting mechanism, and a transmission mechanism is arranged on the support plates (2);
the fixed auger (12), fixed auger (12) set up on backup pad (2) to drive through drive mechanism and bore into foundation ditch inside wall.
2. A pit support mechanism according to claim 1, wherein: the supporting plate (2) is in a circular arc structure.
3. A pit support mechanism according to claim 1 or 2, wherein: the support plate (2) is provided with a first power device and an extension piece (13), and the first power device is used for driving the extension piece (13) to slide outwards from the end part of the support plate (2).
4. A pit support mechanism according to claim 1, wherein: the transmission mechanism comprises a fixed cylinder (8), a threaded sleeve (9) and a screw (10), wherein the threaded sleeve (9) is fixed in the fixed cylinder (8), a fixed auger (12) is fixed at the end part of the coaxial screw (10), and the end part of the fixed cylinder (8) is in a conical/circular truncated cone structure.
5. A pit support mechanism according to claim 1, wherein: the adjusting mechanism comprises a second power device, a thread bush (3), a first threaded rod (4) and a second threaded rod (5), the thread bush (3) is driven by the second power device to be in rotary fit with the adjusting box (1), the first threaded rod (4) and the second threaded rod (5) are in spiral fit with the thread bush (3), the spiral directions of the first threaded rod (4) and the second threaded rod (5) are opposite, and the two groups of supporting plates (2) are fixedly connected with the outer end parts of the first threaded rod (4) and the second threaded rod (5) respectively.
6. The foundation pit support mechanism of claim 5, wherein: the adjusting mechanism further comprises a limiting cylinder (17), a limiting slide rod (18) and a limiting slide block (19), wherein the limiting slide block (19) is in left-right limiting sliding fit in the limiting cylinder (17), and the supporting plate (2) is connected with the corresponding limiting slide block (19) through the limiting slide rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471760.5U CN220538655U (en) | 2023-03-13 | 2023-03-13 | Foundation pit supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471760.5U CN220538655U (en) | 2023-03-13 | 2023-03-13 | Foundation pit supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220538655U true CN220538655U (en) | 2024-02-27 |
Family
ID=89969130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320471760.5U Active CN220538655U (en) | 2023-03-13 | 2023-03-13 | Foundation pit supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220538655U (en) |
-
2023
- 2023-03-13 CN CN202320471760.5U patent/CN220538655U/en active Active
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