CN213390163U - Inner supporting structure for foundation pit - Google Patents
Inner supporting structure for foundation pit Download PDFInfo
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- CN213390163U CN213390163U CN202022216338.4U CN202022216338U CN213390163U CN 213390163 U CN213390163 U CN 213390163U CN 202022216338 U CN202022216338 U CN 202022216338U CN 213390163 U CN213390163 U CN 213390163U
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Abstract
The application relates to a foundation pit inner supporting structure which comprises a supporting rod and supporting plates detachably connected with two ends of the supporting rod; the backup pad butt is on the inner wall of foundation ditch, and the bracing piece is including adjusting pole and threaded connection at the telescopic link of adjusting the pole both ends, and the both ends of adjusting the pole are equipped with opposite direction's screw thread to install in the inside of telescopic link, the one end and the bracing piece of telescopic link can be dismantled and be connected. This application has and accomplishes the back at the foundation ditch construction, and the staff will pull down this application device, when carrying out the foundation ditch support next time, can be according to the length of the size adjustment bracing piece of foundation ditch, and this application device only need just can used repeatedly through simple regulation, has saved the time that constructor changed the support column when the construction, has improved the effect of efficiency of construction.
Description
Technical Field
The application relates to the technical field of foundation pit support, in particular to an in-pit supporting structure.
Background
In digging a deep foundation pit, collapse sometimes occurs, if support is not carried out in time, foundation construction cannot be carried out, foundation driving cannot be firm, the quality of the foundation can be seriously influenced, the firmness degree of equipment after installation can be influenced, and therefore the deep foundation pit needs to be supported.
The inventors consider that there is a drawback to the related art among the above. The supporting distances of the supporting devices in the related art are fixed and cannot be adjusted, and after the supporting devices are used for one time, supporting columns with different lengths need to be replaced again according to the size of a foundation pit, so that the construction efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to support foundation pits of different sizes conveniently, the efficiency of foundation pit supporting construction is improved, and the application provides an inner supporting structure of the foundation pit.
The application provides a foundation ditch inner support structure adopts following technical scheme:
an inner supporting structure of a foundation pit comprises a supporting rod and supporting plates detachably connected with two ends of the supporting rod; the utility model discloses a construction machine, including the bracing piece, the bracing piece is including adjusting pole and threaded connection at the telescopic link of adjusting the pole both ends, the backup pad butt is on the inner wall of foundation ditch, the bracing piece is including adjusting the pole and threaded connection at the pole both ends of adjusting, the both ends of adjusting the pole are equipped with opposite direction's screw thread to install in the inside of telescopic link, the one end and the bracing.
Through adopting the above technical scheme, when carrying out the foundation ditch support, constructor can adjust the length of bracing piece according to the condition of foundation ditch, constructor fixes the telescopic link, the regulation pole rotates, because the both ends of adjusting the pole are equipped with opposite direction's screw thread, adjust the pole when rotating, the telescopic link at regulation pole both ends will stretch out or withdraw in step at threaded mounting, after the foundation ditch construction is accomplished, the staff pulls down this application device, when carrying out next foundation ditch support, can be according to the length of the size adjustment bracing piece of foundation ditch, this application device only need just can used repeatedly through simple regulation, the time of constructor change support column when the construction has been saved, and the efficiency of construction is improved.
Optionally, the adjusting rod comprises a threaded rod with two reverse threads on the side faces and a connecting rod for connecting the threaded rod, the connecting rod is a regular hexagonal column, and the two ends of the connecting rod are respectively fixedly connected with one ends of the two threaded rods.
Through adopting above-mentioned technical scheme, constructor can use the spanner to rotate the connecting rod when adjusting the length of bracing piece, makes things convenient for constructor to adjust the length of telescopic link.
Optionally, the bracing piece still includes at least one extension bar, two the one end that the telescopic link was kept away from each other all is equipped with the connecting seat, the both ends of extension bar all are equipped with the connecting seat, telescopic link and extension bar pass through the connecting seat and can dismantle the connection, the extension bar can be dismantled with the backup pad through the connecting seat and be connected.
Through adopting above-mentioned technical scheme, when the length of telescopic link and regulating lever differed when more with the width of foundation ditch, the staff can install the extension bar to this time that reduces constructor adjustment telescopic link further improves constructor's work efficiency.
Optionally, can dismantle in the backup pad and be connected with the movable rod, the one end of movable rod articulates there is articulated seat, the other end of movable rod is equipped with the connecting seat, the one end that the movable rod was equipped with articulated seat can be dismantled with the backup pad and be connected, the one end that the movable rod was equipped with the connecting seat can be dismantled with the telescopic link and be connected.
Through adopting above-mentioned technical scheme, when the angle of foundation ditch side changed, constructor can install the movable rod on the bracing piece, used the angle of movable rod adjustment backup pad, can make this application device be applicable to most foundation ditches.
Optionally, the outside of the telescopic rod is rectangular, and a threaded hole is formed in the telescopic rod.
Through adopting above-mentioned technical scheme, compare the external form for the bracing piece of rectangle with the external form for circular shape telescopic link has better structural strength, because the bracing piece level sets up, the external form is the deformation that the resistance to gravity that the bracing piece of rectangle can be better brought, improves the support effect of bracing piece.
Optionally, the telescopic rod fixing device further comprises two vertically arranged supporting columns, the top of each supporting column is provided with a clamping groove matched with the outer surface shape of the telescopic rod, the supporting columns are respectively arranged below the telescopic rods, and the telescopic rods are lapped inside the clamping grooves.
Through adopting above-mentioned technical scheme, the draw-in groove on the support column blocks the telescopic link, does not need the manual fixed telescopic link of constructor, makes things convenient for constructor construction installation.
Optionally, one side of the supporting plate contacting the foundation pit is provided with a reinforcing rib net.
Through adopting above-mentioned technical scheme, the structural strength of backup pad has been strengthened on the one hand to the strengthening rib net, and the other party has increased the area of contact of backup pad with the ground lateral wall, can make backup pad and ground lateral wall laminate closely more.
Optionally, the support plate is provided with two crossed ribs, and the support rod is connected to the crossing position of the two ribs.
Through adopting above-mentioned technical scheme, the bead can increase the area of contact between bracing piece and the backup pad, reduces the pressure that backup pad and bracing piece contacted department, reduces the backup pad and takes place great deformation because of the dynamics of bracing piece is great.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the foundation pit is supported, a constructor can adjust the length of the supporting rod according to the condition of the foundation pit, the constructor fixes the telescopic rods and rotates the adjusting rods, and the two ends of the adjusting rods are provided with threads in opposite directions, so that the telescopic rods arranged at the two ends of the adjusting rods in a threaded mode can synchronously extend out or retract when the adjusting rods rotate;
2. when the length of the telescopic rod and the length of the adjusting rod are different from the width of the foundation pit, a worker can install the extension rod, so that the time for the constructor to adjust the telescopic rod is reduced, and the working efficiency of the constructor is further improved;
3. when the angle of foundation ditch side changed, constructor can install the movable rod on the bracing piece, uses the angle of movable rod adjustment backup pad, can make this application device be applicable to most foundation ditches.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present application.
Fig. 2 is a schematic view of an adjusting rod and a telescopic rod in the embodiment of the present application.
Description of reference numerals: 1. a support bar; 11. adjusting a rod; 111. a threaded rod; 112. a connecting rod; 12. a telescopic rod; 13. lengthening a rod; 14. a connecting seat; 2. a support plate; 21. a movable rod; 211. a hinged seat; 22. a reinforcing rib net; 23. a rib; 3. a support pillar; 31. a clamping groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses bearing structure in foundation ditch. Referring to fig. 1, an inner supporting structure of a foundation pit includes a supporting plate 2 abutted to an inner wall of the foundation pit, a supporting rod 1 connected to the supporting plate 2 by a bolt, and a vertically arranged supporting column 3. The length of bracing piece 1 can be adjusted, and when supporting the inner wall of foundation ditch, the staff adjusted the length of bracing piece 1 according to the size adjustment of foundation ditch. Support column 3 sets up in the below of bracing piece 1, and 1 overlap joint of bracing piece is on support column 3, and 1 level setting of bracing piece, support column 3 support for bracing piece 1, reduce bracing piece 1 and take place great deformation because of self gravity, have improved the supporting role of bracing piece 1. The embodiment device only needs to adjust the length of the supporting rod 1 to support different foundation pits, so that the time for the constructors to replace the supporting device can be shortened, and the construction efficiency of the constructors is improved.
Referring to fig. 1, backup pad 2 has the reinforcing bar net 22 of crossing anyhow with the welding of one side of foundation ditch inner wall contact, and reinforcing bar net 22 can improve backup pad 2's structural strength, and when foundation ditch inner wall took place to warp, backup pad 2 can bear great power, prevents that backup pad 2 from being destroyed, and reinforcing bar net 22 can also improve the area of contact of backup pad 2 and interior wall of ground, makes backup pad and ground inner wall contact inseparabler. Two crossed ribs 23 are arranged on the side face, far away from the inner wall of the foundation pit, of the support plate 2, and the two ends of the support rod 1 are arranged at the crossed positions of the ribs 23 of the support plate 2. The two crossed ribs 23 can increase the contact area between the support rod 1 and the support plate 2, reduce the pressure born by the support plate 2 and reduce the deformation of the support plate 2 when the support rod 1 supports.
Referring to fig. 2, the support rod 1 includes a horizontal adjustment rod 11 and telescopic rods 12 threadedly mounted at both ends of the adjustment rod 11. The adjusting rod 11 comprises a horizontal connecting rod 112 and a threaded rod 111 horizontally welded at two ends of the connecting rod 112, threads with opposite directions are arranged on the side face of the threaded rod 111, threaded holes with the same direction are arranged in the telescopic rod 12, the threaded rod 111 is installed in the threaded hole in the telescopic rod 12, and the connecting seat 14 is welded at one end, close to the supporting plate 2, of the telescopic rod 12. Connecting rod 112 is a hexagonal prism, and constructor fixed column telescopic link 12 uses the spanner to rotate connecting rod 112, and under the effect of reverse screw thread on two threaded rods 111, telescopic link 12 stretches out or withdraws in step.
The movable rod 21 is installed to the side of backup pad 2 on keeping away from the foundation ditch inner wall and using the bolt, and the one end of movable rod 21 articulates there is articulated seat 211, and articulated seat 211 passes through the bolt and installs at the bead 23 cross section of backup pad 2, has connecting seat 14 in the welding of the free end of movable rod 21. The support rod 1 further includes at least two extension rods 13, and the two extension rods 13 are exemplified in the present embodiment. Connecting seats 14 are welded at two ends of the extension rod 13, the extension rod 12, the extension rod 13 and the movable rod 21 are connected through the connecting seats 14, and the adjacent connecting seats 14 are connected together through bolts.
During the supporting construction of the foundation pit, the movable rod 21 can flexibly adjust the angle between the support rod 1 and the support plate 2 according to the angle of the inner wall of the foundation pit, so that the best supporting effect can be achieved in the embodiment; when the foundation ditch that this embodiment supported and the foundation ditch size of once supporting differed not very much, constructor adjusted pole 11 through rotating and adjust the length of telescopic link 12, when the foundation ditch that this embodiment supported and the foundation ditch size of once supporting differed greatly, constructor can adjust the length of bracing piece 1 through dismouting extension bar 13.
The external shapes of the telescopic rod 12, the extension rod 13 and the movable rod 21 are all rectangular, and the rectangular rod has better structural strength than a circular rod when being used horizontally, and can better resist deformation of the rectangular rod under the action of self gravity.
Referring to fig. 1, support column 3 is equipped with two to respectively vertically bury underground under telescopic link 12, be equipped with at the top of bracing piece 1 with the draw-in groove 31 of the 12 appearance adaptations of telescopic link, the 12 overlap joints of telescopic link are in the inside of draw-in groove 31, when constructor is rotating when adjusting pole 11, telescopic link 12 can not follow at the effect of draw-in groove 31 and adjust pole 11 and rotate together, telescopic link 12 can be along with adjusting the rotation of pole 11 and slide along the draw-in groove 31 direction. The support column 3 can support the support rod 1, offset the influence of gravity on a part of the support rod 1, and improve the support effect of the support rod 1 on the support plate 2.
The implementation principle of the foundation pit inner supporting structure in the embodiment of the application is as follows: when supporting the foundation ditch inner wall, constructor establishes two spinal branch daggers 3 at the bottom of foundation ditch is vertical earlier, later will adjust pole 11 and telescopic link 12 and install the overlap joint inside the draw-in groove 31 at support column 3 top, later with 2 overlap joints of backup pad on the inner wall of foundation ditch, constructor decides whether to use extension bar 13 according to the condition of foundation ditch, later assemble bracing piece 1, later install bracing piece 1 assembled again on backup pad 2, with the length adjustment of bracing piece 1 can.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a bearing structure in foundation ditch which characterized in that: comprises a supporting rod (1) and supporting plates (2) which are detachably connected with the two ends of the supporting rod (1); backup pad (2) butt is on the inner wall of foundation ditch, bracing piece (1) is including adjusting telescopic link (12) at pole (11) both ends are adjusted in pole (11) and threaded connection, the both ends of adjusting pole (11) are equipped with opposite direction's screw thread to install in the inside of telescopic link (12), the one end and the bracing piece of telescopic link (12) can be dismantled and be connected.
2. An excavation internal support structure as defined in claim 1, wherein: the adjusting rod (11) comprises a threaded rod (111) with two side faces provided with reverse threads and a connecting rod (112) connected with the threaded rod (111), the connecting rod (112) is a regular hexagonal column, and two ends of the connecting rod (112) are fixedly connected with one ends of the two threaded rods (111) respectively.
3. An excavation internal support structure according to claim 2, wherein: bracing piece (1) still includes at least one extension bar (13), two the one end that telescopic link (12) kept away from each other all is equipped with connecting seat (14), the both ends of extension bar (13) all are equipped with connecting seat (14), telescopic link (12) and extension bar (13) can be dismantled through connecting seat (14) and be connected, extension bar (13) can be dismantled through connecting seat (14) and backup pad (2) and be connected.
4. An excavation internal support structure as defined in claim 1, wherein: can dismantle on backup pad (2) and be connected with movable rod (21), the one end of movable rod (21) articulates there is articulated seat (211), the other end of movable rod (21) is equipped with connecting seat (14), the one end that movable rod (21) was equipped with articulated seat (211) can be dismantled with backup pad (2) and be connected, movable rod (21) is equipped with the one end and the telescopic link (12) of connecting seat (14) and can dismantle and be connected.
5. An excavation internal support structure as defined in claim 1, wherein: the outer portion of the telescopic rod (12) is rectangular, and a threaded hole is formed in the inner portion of the telescopic rod (12).
6. An excavation internal support structure according to claim 5, wherein: the telescopic rod support structure is characterized by further comprising two vertically arranged support columns (3), wherein the top of each support column (3) is provided with a clamping groove (31) matched with the outer surface shape of the telescopic rod (12), the support columns (3) are respectively arranged below the telescopic rods (12), and the telescopic rods (12) are in lap joint inside the clamping grooves (31).
7. An excavation internal support structure as defined in claim 1, wherein: one side of the supporting plate (2) contacting the foundation pit is provided with a reinforcing rib net (22).
8. An excavation internal support structure according to claim 7, wherein: the supporting plate (2) is provided with two crossed ribs (23), and the supporting rod (1) is connected to the cross position of the two ribs (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022216338.4U CN213390163U (en) | 2020-09-30 | 2020-09-30 | Inner supporting structure for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022216338.4U CN213390163U (en) | 2020-09-30 | 2020-09-30 | Inner supporting structure for foundation pit |
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| Publication Number | Publication Date |
|---|---|
| CN213390163U true CN213390163U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022216338.4U Active CN213390163U (en) | 2020-09-30 | 2020-09-30 | Inner supporting structure for foundation pit |
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| Country | Link |
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| CN (1) | CN213390163U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431052A (en) * | 2021-07-22 | 2021-09-24 | 吁伟 | Foundation pit prestress steel supporting system |
| CN113529802A (en) * | 2021-08-31 | 2021-10-22 | 昆明理工大学 | Large-diameter plastic inspection well and installation and construction method thereof |
| CN113944169A (en) * | 2021-11-01 | 2022-01-18 | 广西大学 | Inner support connecting device for deep foundation pit supporting system |
| CN115059092A (en) * | 2022-08-01 | 2022-09-16 | 北京城建八建设发展有限责任公司 | Foundation pit inner supporting structure |
-
2020
- 2020-09-30 CN CN202022216338.4U patent/CN213390163U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431052A (en) * | 2021-07-22 | 2021-09-24 | 吁伟 | Foundation pit prestress steel supporting system |
| CN113529802A (en) * | 2021-08-31 | 2021-10-22 | 昆明理工大学 | Large-diameter plastic inspection well and installation and construction method thereof |
| CN113944169A (en) * | 2021-11-01 | 2022-01-18 | 广西大学 | Inner support connecting device for deep foundation pit supporting system |
| CN113944169B (en) * | 2021-11-01 | 2023-02-28 | 广西大学 | Inner support connecting device for deep foundation pit supporting system |
| CN115059092A (en) * | 2022-08-01 | 2022-09-16 | 北京城建八建设发展有限责任公司 | Foundation pit inner supporting structure |
| CN115059092B (en) * | 2022-08-01 | 2023-11-14 | 北京城建八建设发展有限责任公司 | Supporting structure in foundation pit |
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