CN219033235U - Underground foundation pit supporting device for building construction - Google Patents
Underground foundation pit supporting device for building construction Download PDFInfo
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- CN219033235U CN219033235U CN202223481168.8U CN202223481168U CN219033235U CN 219033235 U CN219033235 U CN 219033235U CN 202223481168 U CN202223481168 U CN 202223481168U CN 219033235 U CN219033235 U CN 219033235U
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- plate
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- foundation pit
- supporting device
- building construction
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- 238000009435 building construction Methods 0.000 title claims abstract description 14
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of building construction, and discloses an underground foundation pit supporting device for building construction, which comprises two bottom plates which are symmetrically arranged, wherein a supporting plate is arranged at one side of the top end of the bottom plates close to the edge, a first slot is formed in the top end of the supporting plate, an extension plate is arranged in the first slot, a plugboard is arranged at the bottom end of the extension plate, and a second slot is formed in the top end of the extension plate; the utility model has simple structure, when the height of the support plate needs to be increased, the insertion plate at the bottom end of the extension plate is only required to be inserted into the first slot at the top end of the support plate, and then the fastening bolt is screwed into the first bolt hole, so that the fastening bolt can be also rotated into the third bolt hole on the surface of the insertion plate, the extension plate can be fixedly arranged at the top end of the support plate, the height of the support plate can be adjusted, and the adjustment can be carried out according to the height of the foundation pit.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an underground foundation pit supporting device for building construction.
Background
The foundation pit is a soil pit excavated according to the substrate elevation and the foundation plane size at the foundation design position, the excavation scheme is determined according to geological hydrologic data before excavation and by combining the conditions of buildings nearby the site, waterproof drainage work is carried out, a method of discharging a side slope can be used for the person with the non-deep excavation, the soil slope is stable, the gradient of the soil slope is determined according to relevant construction regulations, the person with the deep excavation and the vicinity of the building can be protected by a foundation pit wall supporting method, a concrete spraying protection wall method, a large foundation pit even adopts a method of interlocking underground continuous walls and column type bored piles and the like, and the soil layer outside the foundation pit is protected from collapse; the underground water level can be reduced by using a well point method without influencing the nearby buildings, and slope-releasing open cut is adopted; in cold areas, natural cold air freezing method is used for excavation, and meanwhile, in order to prevent the side wall of the foundation pit from collapsing, a foundation pit supporting device is generally used for supporting the wall.
Through retrieving, in chinese patent publication No. CN216948320U, a supporting device for underground foundation pit of building engineering is disclosed, including left bottom backplate and right bottom backplate, left side bottom backplate and right bottom backplate separate one end integration from be connected with the bank protection riser, bank protection riser upper end integration is connected with the roof, and the bank protection riser of left and right sides is connected with the removal lifting unit from one side that separates, left bottom backplate right-hand member is at the flexible installation in right bottom backplate left end face. The utility model has simple structure, clear and understandable structure, comprises the slope protection vertical plate with adjustable distance, realizes movement and lifting installation by the movable lifting assembly, is convenient to operate, has strong practicability and excellent functionality, and is worthy of popularization and use.
In the above patent, although the adjustment and control can be performed according to the foundation width, the height of the guard plate cannot be adjusted according to the depth of the foundation, and the applicability is not strong, and the practicability is not provided.
Disclosure of Invention
The utility model aims to provide an underground foundation pit supporting device for building construction, which solves the problems that in the patent, the height of a guard plate cannot be adjusted according to the depth of a foundation, the applicability is not strong, and the practicability is not realized.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an underground foundation pit supporting device for construction, includes two bottom plates that the symmetry set up, bottom plate top one side is close to border department and is provided with the backplate, first slot has been seted up on the backplate top, the inside extension board that is provided with of first slot, extension board bottom is provided with the picture peg, extension board top is provided with the second slot.
Preferably, a first bolt hole is formed in the position, located at the first slot, of one side of the outer wall of the support plate, a fastening bolt is mounted in the first bolt hole in a threaded mode, a second bolt hole is formed in the position, located at the second slot, of one side of the outer wall of the extension plate, and a third bolt hole is formed in the surface of one side of the insertion plate.
Preferably, threaded rods are fixedly installed on two sides of the outer wall of the bottom plate respectively, locking nuts are installed on the external threads of the threaded rods, and sliding sleeves are sleeved outside the threaded rods.
Preferably, one end of the bottom plate is fixedly provided with a guide rod, and one end of the other bottom plate is provided with a guide hole matched with the guide rod.
Preferably, a storage box is fixedly arranged at the top end of the bottom plate, and a plurality of placing grooves are formed in the top end of the storage box.
Preferably, the length and the width of the lengthening plate are respectively consistent with the length and the width of the support plate.
Preferably, the length and width of the plugboard are respectively consistent with the length and width of the first slot and the second slot.
Compared with the prior art, the utility model has the beneficial effects that:
the support plate is simple in structure, when the height of the support plate needs to be increased, the insertion plate at the bottom end of the extension plate is only required to be inserted into the first slot at the top end of the support plate, and then the fastening bolt is screwed into the first bolt hole, so that the fastening bolt can be also turned into the third bolt hole on the surface of the insertion plate, the extension plate can be fixedly arranged at the top end of the support plate, the height of the support plate can be adjusted, the height of the support plate can be further improved through the assembly and superposition of the extension plate and the extension plate, the adjustment can be carried out according to the height of a foundation pit, and the support plate is easy to operate and convenient to improve the support area of the foundation pit.
Drawings
FIG. 1 is a schematic view of the overall structure of an underground foundation pit supporting device for building construction;
FIG. 2 is a schematic view showing an expanded state of an underground foundation pit supporting device for construction according to the present utility model;
FIG. 3 is a schematic view of an elongated plate structure of an underground foundation pit supporting device for construction according to the present utility model;
FIG. 4 is an elevation view of an underground foundation pit supporting device for construction according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 2 a.
In the figure: 10-a bottom plate; 20-supporting guard plates; 21-a first slot; 22-first bolt holes; 23-fastening bolts; 30-a threaded rod; 31-locking nut; 32-sliding sleeve; 40-storage box; 41-placing grooves; 50-lengthening plates; 51-a second slot; 52-a second bolt hole; 53-plugboard; 54-third bolt holes; 60-guiding rod; 61-guide holes.
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.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an underground foundation pit supporting device for construction, including two bottom plates 10 that the symmetry set up, the structure of two bottom plates 10 is unanimous, bottom plate 10 top one side is close to border department fixed mounting and is had backplate 20, backplate 20 is right angle with the contained angle of bottom plate 10, first slot 21 has been seted up on backplate 20 top, the inside extension board 50 of pegging graft of first slot 21, the length and the width of extension board 50 are unanimous with backplate 20's length and width respectively, extension board 50 bottom fixed mounting has picture peg 53, the length and the width of picture peg 53 are unanimous with the length and the width of first slot 21 and second slot 51 respectively, and the degree of depth of picture peg 53 is also unanimous with the degree of depth of first slot 21 and second slot 51, so when picture peg 53 inserts in first slot 21, the bottom of extension board 50 can be flush with backplate 20's top, can not leave the gap, so when picture peg 53 inserts in second slot 51, the bottom of one extension board 50 can not be with the top of another extension board 50, can not leave the gap, can guarantee the fastness of concatenation.
Further, when the height of the support plate 20 needs to be increased, only the insertion plate 53 at the bottom end of the extension plate 50 is inserted into the first slot 21 at the top end of the support plate 20, and then the fastening bolt 23 is screwed into the first bolt hole 22, so that the fastening bolt 23 can be also turned into the third bolt hole 54 on the surface of the insertion plate 53, the extension plate 50 can be fixedly installed at the top end of the support plate 20, the height of the support plate 20 can be adjusted, and the height of the support plate 20 can be further increased by assembling and superposing the extension plate 50 and the extension plate 50, so that the height of the support plate 20 can be adjusted according to the height of a foundation pit.
In the preferred technical solution of this embodiment, the first bolt hole 22 is formed on the outer wall side of the support plate 20 at the first slot 21, the fastening bolt 23 is mounted in the first bolt hole 22, the second bolt hole 52 is formed on the outer wall side of the extension plate 50 at the second slot 51, the third bolt hole 54 is formed on the surface of one side of the insert plate 53, when the insert plate 53 at the bottom end of the extension plate 50 is inserted into the first slot 21, the third bolt hole 54 corresponds to the first bolt hole 22, so that after the fastening bolt 23 is screwed, the fastening bolt 23 is turned into the third bolt hole 54, the insert plate 53 can be fixed in the first slot 21, and similarly, when the insert plate 53 at the bottom end of one extension plate 50 is inserted into the second slot 51 at the top end of the other extension plate 50, the third bolt hole 54 of the insert plate 53 corresponds to the second bolt hole 52 of the other extension plate 50, so that the two extension plates 50 can be assembled and fixed by the fastening bolt 23.
In the preferred technical scheme of this embodiment, the threaded rod 30 is fixedly installed respectively on both sides of the outer wall of the bottom plate 10, the lock nut 31 is installed on the external thread of the threaded rod 30, the sliding sleeve 32 is sleeved outside the threaded rod 30, when the length of the bottom plate 10 needs to be increased, the lock nut 31 is only required to be unscrewed, then the bottom plate 10 is pulled towards both sides, meanwhile, the sliding sleeve 32 can slide outside the threaded rod 30, the stability of the expansion of the bottom plate 10 can be improved, the sliding sleeve 32 can be fixed by screwing the lock nut 31, and then the fixation of the two bottom plates 10 after the expansion can be realized.
In the preferred technical solution of this embodiment, one end of one of the bottom plates 10 is fixedly provided with a guide rod 60, wherein one end of the other bottom plate 10 is provided with a guide hole 61 adapted to the guide rod 60, and when the two bottom plates 10 are unfolded to two sides, the guide rod 60 is driven to slide in the guide hole 61, so that the connection strength between the bottom plates 10 can be improved.
In the preferred embodiment of the present utility model, the storage box 40 is fixedly mounted on the top end of the bottom plate 10, and a plurality of placement grooves 41 are formed in the top end of the storage box 40, and the extension plate 50 can be stored by inserting the insertion plate 53 at the bottom end of the extension plate 50 into the placement grooves 41.
Working principle: when the height of the support plate 20 needs to be increased, only the insertion plate 53 at the bottom end of the extension plate 50 is inserted into the first slot 21 at the top end of the support plate 20, and then the fastening bolt 23 is screwed into the first bolt hole 22, so that the fastening bolt 23 can be also turned into the third bolt hole 54 on the surface of the insertion plate 53, the extension plate 50 can be fixedly installed at the top end of the support plate 20, the height of the support plate 20 can be adjusted, and the height of the support plate 20 can be further increased by assembling and superposing the extension plate 50 and the extension plate 50.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (7)
1. The utility model provides an underground foundation pit supporting device for construction, includes two bottom plates (10) that the symmetry set up, bottom plate (10) top one side is close to border department and is provided with backplate (20), its characterized in that: the support plate is characterized in that a first slot (21) is formed in the top end of the support plate (20), an extension plate (50) is arranged in the first slot (21), a plugboard (53) is arranged at the bottom end of the extension plate (50), and a second slot (51) is formed in the top end of the extension plate (50).
2. The underground foundation pit supporting device for building construction according to claim 1, wherein: the support plate is characterized in that a first bolt hole (22) is formed in one side of the outer wall of the support plate (20) and located at the first slot (21), a fastening bolt (23) is mounted in the first bolt hole (22) in a threaded mode, a second bolt hole (52) is formed in one side of the outer wall of the extension plate (50) and located at the second slot (51), and a third bolt hole (54) is formed in the surface of one side of the insertion plate (53).
3. The underground foundation pit supporting device for building construction according to claim 1, wherein: threaded rods (30) are fixedly installed on two sides of the outer wall of the bottom plate (10), locking nuts (31) are installed on the outer threads of the threaded rods (30), and sliding sleeves (32) are sleeved outside the threaded rods (30).
4. The underground foundation pit supporting device for building construction according to claim 1, wherein: one end of one bottom plate (10) is fixedly provided with a guide rod (60), and one end of the other bottom plate (10) is provided with a guide hole (61) matched with the guide rod (60).
5. The underground foundation pit supporting device for building construction according to claim 1, wherein: the top end of the bottom plate (10) is fixedly provided with a storage box (40), and the top end of the storage box (40) is provided with a plurality of placing grooves (41).
6. The underground foundation pit supporting device for building construction according to claim 1, wherein: the length and the width of the lengthening plate (50) are respectively consistent with those of the support plate (20).
7. The underground foundation pit supporting device for building construction according to claim 2, wherein: the length and width of the plugboard (53) are respectively consistent with the length and width of the first slot (21) and the second slot (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481168.8U CN219033235U (en) | 2022-12-26 | 2022-12-26 | Underground foundation pit supporting device for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481168.8U CN219033235U (en) | 2022-12-26 | 2022-12-26 | Underground foundation pit supporting device for building construction |
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| Publication Number | Publication Date |
|---|---|
| CN219033235U true CN219033235U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223481168.8U Active CN219033235U (en) | 2022-12-26 | 2022-12-26 | Underground foundation pit supporting device for building construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN219033235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027007A (en) * | 2023-07-21 | 2023-11-10 | 中铁四局集团有限公司 | A construction device for lowering the bottom plate in weak strata |
-
2022
- 2022-12-26 CN CN202223481168.8U patent/CN219033235U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027007A (en) * | 2023-07-21 | 2023-11-10 | 中铁四局集团有限公司 | A construction device for lowering the bottom plate in weak strata |
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