CN221193353U - Foundation pit supporting device - Google Patents
Foundation pit supporting device Download PDFInfo
- Publication number
- CN221193353U CN221193353U CN202322628602.9U CN202322628602U CN221193353U CN 221193353 U CN221193353 U CN 221193353U CN 202322628602 U CN202322628602 U CN 202322628602U CN 221193353 U CN221193353 U CN 221193353U
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- pit
- foundation pit
- anchor bolt
- slope protection
- wall
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- 238000009434 installation Methods 0.000 abstract 1
- 238000004873 anchoring Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a foundation pit supporting device, which comprises a plurality of first fixing plates arranged on the periphery of a foundation pit and a pit wall fixing frame connected with the fixing plates, wherein the fixing plates are connected through connecting plates to form a closed ring, and the shape of the closed ring is the same as that of the edge of a foundation pit; the device still includes the bank protection pole, the bank protection pole sets up on the wall of pit of foundation ditch, just the upper end of bank protection pole links to each other with the fixed plate is fixed, the lower extreme is fixed at the edge of foundation ditch bottom, and a plurality of bank protection pole passes through the horizontal pole and connects and form a wall mount, and the wall mount supports and leans on the wall of pit of foundation ditch, provides the holding power to the foundation ditch in order to prevent that the wall of pit of foundation ditch from collapsing, and the installation space of foundation ditch bottom can be saved to this device's setting mode simultaneously.
Description
Technical Field
The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support device.
Background
The foundation pit is the earth pit excavated according to the base elevation and the base plane size at the foundation design position, and the pit wall soil property of foundation pit is unstable to the phenomenon that pit wall collapses appears easily by groundwater and ground wheel rolling etc. influence, therefore can all consolidate the pit wall of foundation pit when the foundation pit is excavated, and common supporting mode has: anchor supports, diagonal bracing, continuous vertical bracing, intermittent horizontal bracing, short column transverse bracing, temporary retaining wall bracing, etc., whichever bracing provides a bracing force to the pit wall of the foundation pit to prevent pit wall collapse.
For example, the chinese patent with the bulletin number CN114263182a specifically discloses a foundation pit supporting system, which includes a supporting plate disposed in a foundation pit and used for supporting a side slope, the supporting plate on a first side slope is connected with the supporting plate on a second side slope through a first supporting rod, the first supporting rod includes a first sleeve, two first sliding rods coaxially penetrating through the first sleeve and slidingly connected with the first sleeve, the two first sliding rods penetrate one end of the first sleeve respectively, the first sleeve is provided with a plurality of first through holes in a straight line along the length direction, the first through holes of the first sleeve are movably penetrated with first supporting rods in the axial direction of the first through holes of the first sleeve, one end of the first supporting rod away from the supporting plate is provided with first wedge blocks in the first sleeve, and the two first sliding rods are respectively provided with a plurality of first supporting blocks which are in contact with the first wedge blocks and are used for the first supporting rods to penetrate out of the first through holes. The supporting force of the supporting plate is mainly provided by the inclined struts at the bottom, the first supporting rods and the second supporting rods, the device occupies a large amount of foundation pit space, and the supporting force of the device is mainly concentrated at the middle lower part of the supporting plate, so that the supporting plate is required to have stronger rigidity to meet the supporting requirement.
For example, the Chinese patent with the bulletin number of CN219080351U discloses a foundation pit supporting structure, which comprises a supporting plate, wherein a lengthening plate is embedded in the supporting plate, two ends of the lengthening plate are fixedly connected with sliding blocks, sliding grooves are formed in two sides of the inner part of the supporting plate, two sliding blocks are respectively positioned in the sliding grooves, the two sliding blocks are respectively in sliding connection with the two sliding grooves, and supporting rods are respectively arranged on two sides of the surface of the lengthening plate. The support rod is arranged in the support plate, so that the height of the support surface can be adjusted according to the slope, but the length of the support rod of the support plate is not adjustable, so that when the extension plate stretches out to a large extent, the support rod is required to provide large support force for the extension plate, and the tail end of the support rod can only be arranged close to the support plate, so that the component force of the support rod in the horizontal direction is relatively small, and the support effect of the support rod on the extension plate is relatively weak.
Disclosure of utility model
The utility model aims to solve the technical problem of quickly arranging a fixing component for hanging an anti-falling net on the well wall of an elevator well.
In order to solve the technical problems, the utility model adopts the following technical scheme: the foundation pit supporting device comprises a plurality of fixed plates arranged on the periphery of a foundation pit and a pit wall fixing frame connected with the fixed plates, wherein the fixed plates are connected through connecting plates to form a closed ring, and the shape of the closed ring is the same as that of the edge of a foundation pit; the pit wall fixing frame comprises a plurality of slope protection rods, the slope protection rods are arranged on the pit wall of the foundation pit, the upper ends of the slope protection rods are fixedly connected with the fixing plate, and the lower ends of the slope protection rods are fixed at the edge of the bottom of the foundation pit.
Preferably, the distance between the fixed plate and the foundation pit opening is greater than 2m, connecting through holes are formed in two ends of the fixed plate, a plurality of anchor bolt through holes are formed in the middle of the fixed plate, the axis of each anchor bolt through hole is located at the lower surface of the fixed plate, the lower surface of the fixed plate is an alpha included angle, and the fixed plate is fixed on the ground on the periphery of the foundation pit through an anchor bolt arranged in each anchor bolt through hole.
Preferably, the lower end of the slope protection rod is anchored on the ground at the bottom of the foundation pit through a fixed nail.
Preferably, the anchor bolt comprises an anchor bolt and an end cap arranged at the tail end of the anchor bolt, wherein the end cap is in a plane plate shape, and an alpha included angle is formed between the end cap and the anchor bolt.
Preferably, the included angle alpha is 45-90 degrees.
Preferably, the two ends of the slope protection rod are bent to form a fixed section, the middle of the slope protection rod is provided with a slope supporting section, the fixed ends of the two ends of the slope protection rod are parallel to each other, and the included angle between the supporting section and the fixed section is the same as the included angle between the pit wall and the horizontal plane.
Preferably, a plurality of slope protection rod connecting holes are formed in the fixing plate along the length direction of the fixing plate, and the upper ends of the slope protection rods are connected with the fixing plate through bolts.
Preferably, the slope protection rods connected with the fixing plate are connected through the cross rods to form a pit wall fixing frame.
The utility model has the beneficial effects that: the utility model comprises a plurality of fixing plates arranged on the periphery of a foundation pit and a pit wall fixing frame connected with the fixing plates, wherein the fixing plates are connected through connecting plates to form a closed ring, and the shape of the closed ring is the same as the shape of the edge of the foundation pit; the device also comprises a plurality of slope protection rods, wherein the plurality of slope protection rods are arranged on the pit wall of the foundation pit, the upper ends of the slope protection rods are fixedly connected with the fixed plate, the lower ends of the slope protection rods are fixed at the edge of the bottom of the foundation pit, and the plurality of slope protection rods are connected through the cross rod to form a pit wall fixing frame; the device is fixed by fixing at the top and the bottom, so that the pit wall fixing frame is fixed in a more stable manner than a supporting type fixing manner.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:
Fig. 1 is a perspective view showing a combination state of one of the fixing plates and a slope protection rod, a cross rod, an anchor bolt and the like connected with the fixing plate.
Fig. 2 is a perspective view of a second combination state of one of the fixing plates and the slope protection rod, the cross rod, the anchor bolt and the like connected with the fixing plate.
Fig. 3 is a perspective view of a fixing plate in the present utility model.
Fig. 4 is a perspective view of a slope protection rod in the present utility model.
Fig. 5 is a perspective view of an anchor according to the present utility model.
Fig. 6 is a perspective view of a second combination state of a fixing plate and a slope protection rod, a protection plate, an anchor bolt and the like connected with the fixing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
The foundation pit supporting device provided by the utility model is mainly arranged on the pit wall of the building foundation pit and is used for preventing the pit wall of the foundation pit from collapsing and ensuring the safety of constructors, and the device can be arranged on a slope similar to the pit wall of the foundation pit to play a role in slope protection.
As shown in fig. 1-6, a preferred embodiment of the present utility model; the foundation pit supporting device comprises a plurality of fixing plates 100 arranged on the periphery of a foundation pit and pit wall fixing frames connected with the fixing plates 100, wherein the fixing plates 100 are connected through connecting plates to form a closed ring, the shape of the closed ring is the same as that of the edge of the foundation pit, and the closed ring is positioned on the ground outside the foundation pit; the pit wall fixing frame comprises a plurality of slope protection rods 200 and cross bars 500 and/or guard plates 600, wherein the slope protection rods 200 are arranged on the pit wall of a foundation pit, the middle parts of the slope protection rods 200 are used for pasting parts supported by the pit wall on the surface of the pit wall, the upper ends of the slope protection rods 200 are fixedly connected with the fixing plates 100, the lower ends of the slope protection rods 200 are fixedly connected with the edges of the bottom of the foundation pit, the upper ends of the slope protection rods 200 are fixedly arranged on the ground outside the foundation pit through the fixing plates 100, the lower ends of the slope protection rods 200 are directly fixed at the bottom of the foundation pit, the slope protection rods 200 are jointly fixed at the upper ends and the lower ends, the upper ends provide tensile force, and the lower ends provide supporting force, so that the slope protection rods can stably support the pit wall.
Specifically, the distance between the fixing plate 100 and the pit edge is greater than 2m, and of course, the distance between the fixing plate and the pit edge is appropriately adjusted according to the depth of the pit, so that the stability of the soil layer of the pit edge is poor, and the anchor bolt 300 for anchoring the fixing plate 100 is prevented from being unstable due to the fact that the distance between the fixing plate and the pit edge is too small. As shown in fig. 1, 2, 3 and 6, the fixing plate 100 is generally in a strip plate structure, two ends of the fixing plate 100 are provided with connecting through holes 101, a plurality of anchor bolt through holes 102 are arranged in the middle of the fixing plate 100, the connecting holes 101 are used for connecting two adjacent fixing plates 100, the axial line of each anchor bolt through hole 102 is located at the lower surface part of the fixing plate 100 and forms an included angle alpha with the lower surface of the fixing plate 100, and the fixing plate 100 is fixed on the ground around a foundation pit through an anchor bolt 300 arranged in each anchor bolt through hole 102.
Preferably, the connecting plate is rectangular plate-shaped, and through holes are formed at two ends of the connecting plate, and when two adjacent fixing plates 100 are connected together through the connecting plate, the distance between two adjacent slope protection rods 200 on the two adjacent connecting plates is equal to the distance between two adjacent anchor bolt through holes 102 on the fixing plates 100.
Preferably, as shown in fig. 1, 2, 4 and 6, the lower end of the slope protection rod 200 is anchored on the ground at the bottom of the foundation pit through a fixing nail anchor 400, two ends of the slope protection rod 200 are bent to form a fixing section 201, a slope supporting section 202 is formed in the middle of the slope protection rod, the fixed ends 201 at two ends of the slope protection rod 200 are parallel to each other, an included angle between the supporting section 202 and the fixing section 201 is the same as an included angle between a pit wall and a horizontal plane, the distance that the fixed end 201 at the upper end of the slope protection rod 200 extends towards the outer side of the foundation pit is greater than 2m, the distance that the fixed end 201 at the lower end of the slope protection rod 200 extends towards the inner side of the foundation pit is less than or equal to 20cm, namely, the lower end of the slope protection rod 200 does not extend towards the center of the foundation pit for too long distance, and occupies too much foundation pit area, and thus construction quantity of earthwork of the foundation pit can be reduced.
As shown in fig. 1, 2, 3, 5 and 6, in order to match with the anchor bolt through hole 102 on the fixing plate 100, the anchor bolt 300 includes an anchor bolt 301 and an end cap 302 disposed at the end of the anchor bolt, the end cap 302 is in a planar plate shape, and the end cap 302 forms an angle alpha with the anchor bolt 301, so that it is ensured that the end cap 302 of the anchor bolt 300 is in surface contact with the fixing plate 100 when the anchor bolt 300 is disposed in the anchor bolt through hole 102 and is in a fastened state.
After anchor bolt 300 is placed in anchor bolt hole 102, the end of anchor bolt 301 is inclined toward the side of the wall of the foundation pit, that is, anchor bolt 300 is inclined to penetrate into the ground outside the foundation pit.
Preferably, the angle alpha is 45-90 degrees, so that the component force of the pulling force of the anchor bolt 300 for the fixing plate 100 on the slope protection rod 200 along the vertical downward direction is greater than the horizontal pulling force, and the stability of the anchor bolt anchoring is ensured.
As shown in fig. 3, a plurality of slope protection rod connection holes 103 are formed in the fixing plate 100 along the length direction of the fixing plate 100, and a fixing section 201 at the upper end of the slope protection rod 200 is connected with the fixing plate 100 through bolts and the slope protection rod connection holes 103.
A plurality of slope protection rods 200 connected with the fixing plate 100 are connected through a plurality of cross bars 500 to form a pit wall fixing frame. Naturally, the cross bar 500 is replaced by a guard plate 600, and the plate structure is disposed on the outer side of the slope protection bar 200 to form a slope protection surface 601 (as shown in fig. 6).
It will be understood that the utility model has been described in terms of several embodiments, and that various changes in the features and embodiments may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a foundation ditch strutting arrangement which characterized in that: the foundation pit comprises a plurality of fixing plates arranged on the periphery of a foundation pit and a pit wall fixing frame connected with the fixing plates, wherein the fixing plates are connected through connecting plates to form a closed ring, and the shape of the closed ring is the same as that of the edge of the foundation pit; the pit wall fixing frame comprises a plurality of slope protection rods, the slope protection rods are arranged on the pit wall of the foundation pit, the upper ends of the slope protection rods are fixedly connected with the fixing plate, and the lower ends of the slope protection rods are fixed at the edge of the bottom of the foundation pit.
2. The foundation pit supporting device according to claim 1, wherein the distance between the fixing plate and the edge of the foundation pit is greater than 2m, connecting through holes are formed in two ends of the fixing plate, a plurality of anchor bolt through holes are formed in the middle of the fixing plate, the axis of each anchor bolt through hole is located at the lower surface part of the fixing plate and forms an included angle alpha with the lower surface of the fixing plate, and the fixing plate is fixed on the ground of the periphery of the foundation pit through an anchor bolt arranged in each anchor bolt through hole.
3. A pit support device according to claim 2, wherein: the anchor bolt comprises an anchor bolt and an end cap arranged at the tail end of the anchor bolt, wherein the end cap is in a plane plate shape, and an alpha included angle is formed between the end cap and the anchor bolt.
4. A pit support device according to claim 2, wherein: the included angle alpha is 45-90 degrees.
5. A pit support device according to claim 1, wherein: the both ends of bank protection pole are bent and are formed fixed section, the centre forms domatic supporting section, the stiff end at the both ends of bank protection pole is parallel to each other, the contained angle of support and fixed section is the same with the contained angle of pit wall and horizontal plane.
6. A pit support device according to claim 1, wherein: the upper end of the slope protection rod is connected with the fixing plate through bolts.
7. The foundation pit supporting device of claim 5, wherein: the slope protection rods connected with the fixing plates are connected through the cross rods to form a pit wall fixing frame, and when the slope protection rod is used, the pit wall fixing frame is abutted to the pit wall of the foundation pit to provide supporting force for the pit wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628602.9U CN221193353U (en) | 2023-09-27 | 2023-09-27 | Foundation pit supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628602.9U CN221193353U (en) | 2023-09-27 | 2023-09-27 | Foundation pit supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221193353U true CN221193353U (en) | 2024-06-21 |
Family
ID=91527792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322628602.9U Active CN221193353U (en) | 2023-09-27 | 2023-09-27 | Foundation pit supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221193353U (en) |
-
2023
- 2023-09-27 CN CN202322628602.9U patent/CN221193353U/en active Active
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