CN212926093U - Deep foundation pit supporting structure - Google Patents
Deep foundation pit supporting structure Download PDFInfo
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- CN212926093U CN212926093U CN202021527211.8U CN202021527211U CN212926093U CN 212926093 U CN212926093 U CN 212926093U CN 202021527211 U CN202021527211 U CN 202021527211U CN 212926093 U CN212926093 U CN 212926093U
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Abstract
The application relates to the field of foundation pit support, especially, relate to a deep foundation pit supporting construction. The deep foundation pit supporting structure comprises side plates, a bottom plate, supporting rods and inserting anchoring rods, wherein the side plates are used for being attached to the side wall of a foundation pit, and the bottom plate is used for being attached to the bottom surface of the foundation pit; the number of the inserting anchoring rods is two, one inserting anchoring rod is arranged on the side plate, and the other inserting anchoring rod is arranged on the bottom plate; a sliding track is arranged on the bottom plate, the sliding track is provided with a sliding groove, a sliding block capable of sliding along the sliding groove is arranged in the sliding groove, one end of the supporting rod is hinged with the sliding block, and the other end of the supporting rod is hinged with the side plate; the first fixing piece is arranged on the sliding block and used for sequentially penetrating through the sliding block and the bottom wall of the sliding groove so as to enable the sliding block to be relatively fixed with the sliding track; the bottom plate is provided with a driving mechanism, and the driving mechanism is used for driving the sliding block to slide along the sliding track. This application has the effect that improves the support intensity to the foundation ditch.
Description
Technical Field
The application relates to the field of foundation pit support, especially, relate to a deep foundation pit supporting construction.
Background
At present, the foundation pit inevitably causes deformation of surrounding soil in the excavation process, influences surrounding buildings and underground pipelines, and seriously endangers the normal use or safety of the foundation pit; in order to avoid the situation that a supporting system is added to stabilize the safety of the foundation pit in deep foundation design and pit construction, at present, three main forms exist: horizontal bracing, diagonal bracing and reverse anchoring technology. The inclined strut is mainly used for the center ring island type construction of an ultra-large foundation pit and has economic advantages compared with a horizontal strut.
The Chinese patent with application publication number CN109972625A discloses a deep foundation pit supporting structure, which has the technical scheme key points that: including curb plate, bottom plate, bracing piece, the both ends of bracing piece all articulate there is the support base, one support base fixed mounting in on the curb plate, another support base fixed mounting in on the bottom plate, the curb plate be used for with the lateral wall laminating of foundation ditch, the bottom plate be used for with the bottom surface laminating of foundation ditch. Because the length of bracing piece is fixed, the bracing piece tip is relatively fixed with the position of curb plate and bottom plate simultaneously, so after fixed curb plate and bottom plate, the bracing piece just can have certain holding power to the curb plate when the foundation ditch warp, and support intensity is relatively weak.
With respect to the related art in the above, the inventors consider that there is a drawback that the support strength is weak.
Disclosure of Invention
In order to improve the support intensity to the foundation ditch, this application provides a deep basal pit supporting construction.
The application provides a deep basal pit supporting construction adopts following technical scheme:
a deep foundation pit supporting structure comprises side plates, a bottom plate, supporting rods and inserting anchoring rods, wherein the side plates are used for being attached to the side wall of a foundation pit, and the bottom plate is used for being attached to the bottom surface of the foundation pit; the number of the inserting anchoring rods is two, one inserting anchoring rod is arranged on the side plate, and the other inserting anchoring rod is arranged on the bottom plate; the bottom plate is provided with a sliding rail, the sliding rail is provided with a sliding groove, a sliding block capable of sliding along the sliding groove is arranged in the sliding groove, one end of the supporting rod is hinged with the sliding block, and the other end of the supporting rod is hinged with the side plate; the first fixing piece is arranged on the sliding block and used for sequentially penetrating through the sliding block and the bottom wall of the sliding groove so as to enable the sliding block to be relatively fixed with the sliding track; and the bottom plate is provided with a driving mechanism, and the driving mechanism is used for driving the sliding block to slide along the sliding track.
Through adopting above-mentioned technical scheme, make bottom plate laminating foundation ditch bottom surface during the installation, insert foundation ditch bottom surface depths with grafting anchor rod on the bottom plate simultaneously, then with curb plate laminating foundation ditch lateral wall, inside inserting the grafting anchor rod on the curb plate into the foundation ditch lateral wall simultaneously. And finally, driving the sliding block to move through a driving mechanism so that the supporting rod abuts against the side wall of the foundation pit, and after the supporting rod is adjusted to a proper abutting force, adopting a first fixing part to enable the sliding block and the sliding rail to be relatively fixed, so that the supporting rod can keep abutting against the side wall of the foundation pit, and the deep foundation pit supporting structure improves the supporting strength of the foundation pit.
Preferably, the first fixing piece is a first bolt, the sliding block is provided with a first fixing hole penetrating through two ends of the sliding block, the bottom wall of the sliding groove, which is attached to the bottom end of the sliding block, is provided with a second fixing hole, the second fixing hole is provided with an internal thread matched with the first bolt, the number of the second fixing holes is multiple, and the second fixing holes are distributed at intervals along the length direction of the sliding track; the first bolt penetrates through the first fixing hole and is in threaded connection with the second fixing hole.
Through adopting above-mentioned technical scheme, first bolt passes first fixed orifices and second fixed orifices threaded connection, and the tip of first bolt can get into second fixed orifices depths when first bolt rotates, and when first bolt rotated to tip and sliding block offset, first bolt supported tight sliding block to make sliding block and slip track keep relatively fixed. The sliding block can be connected with different second fixed holes when sliding to different positions, so that the sliding block can be adjusted in a sliding mode according to the distance of the second fixed holes, and the supporting rod can adjust the abutting degree of the foundation pit side wall in a grading mode.
Preferably, the sliding groove is a dovetail groove, and the sliding block is a dovetail block.
Through adopting above-mentioned technical scheme, the sliding block is difficult for breaking away from the sliding groove when sliding along the sliding groove, so the stability that sliding block and sliding groove are connected is better.
Preferably, the driving mechanism comprises a screw rod, the length direction of the screw rod is the same as that of the sliding groove, a limiting block is arranged at the end part of the sliding groove, and the limiting block is fixedly connected with the sliding track; the limiting block is provided with a threaded passage communicated with the sliding groove, the screw rod is in threaded connection with the threaded passage, and the end part of the screw rod penetrates through the threaded passage to be fixedly connected with the sliding block.
Through adopting above-mentioned technical scheme, the lead screw can not move owing to the stopper with lead screw threaded connection when rotating to the lead screw can be for the length direction motion of stopper edge lead screw, because the tip and the sliding block fixed connection of lead screw, can drive the sliding block and slide along the sliding tray during so lead screw motion.
Preferably, one end of the screw rod, which is far away from the sliding block, is provided with a rotating handle.
Through adopting above-mentioned technical scheme, rotate the handle and increased user's application of force area, the use is felt better.
Preferably, the side plate is provided with an inserting hole, the inserting anchoring rod is provided with a tip end, one end of the inserting anchoring rod, which is far away from the tip end, is provided with a limiting part, and the diameter of the limiting part is larger than the aperture of the inserting hole; the side plate is provided with a second fixing piece for keeping the limiting piece and the side plate relatively fixed; the splicing anchoring rod is used for penetrating through the splicing hole and being inserted into the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, grafting anchor rod can pass the spliced eye in order to insert the foundation ditch lateral wall again in the installation, and locating part and curb plate offset this moment, then the second mounting makes locating part and curb plate keep relatively fixed to the curb plate just can be connected with the foundation ditch lateral wall, so the installation of curb plate is comparatively convenient. Meanwhile, the inserting anchoring rods can be separated from the side plates during carrying, so that the deep foundation pit supporting structure is convenient to carry.
Preferably, the second fixing member is a second bolt, a third fixing hole is formed in the limiting member, a fourth fixing hole is formed in the side plate, an internal thread matched with the second bolt is formed in the fourth fixing hole, and the second bolt penetrates through the third fixing hole and is in threaded connection with the fourth fixing hole.
Through adopting above-mentioned technical scheme, only need pass third fixed orifices and fourth fixed orifices with the second bolt in proper order, then screw up the second bolt, just enable locating part and curb plate and keep relatively fixed, it is comparatively convenient to use.
Preferably, this deep basal pit supporting construction still includes the location awl, the location awl has most advanced, the quantity of location awl is a plurality of, and divide into two sets ofly, and a set of location awl sets up one side of curb plate towards the foundation ditch lateral wall, and another group's location awl sets up one side of bottom plate towards the foundation ditch diapire, and two sets of location awl all are matrix distribution and arrange.
Through adopting above-mentioned technical scheme, only need during the use with the curb plate on the pointed end of location awl insert the foundation ditch lateral wall inside, the curb plate just can keep tentatively fixed with the foundation ditch lateral wall, also can be convenient simultaneously to curb plate adjusting position, so can be when adjusting the curb plate to suitable position both hands operation second bolt so that locating part and curb plate keep relatively fixed, it is comparatively convenient to use.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the deep foundation pit supporting structure improves the supporting strength of the foundation pit;
2. the supporting rods can adjust the abutting degree of the side wall of the foundation pit in a grading manner;
3. the installation of the side plate is more convenient
Drawings
Fig. 1 is a schematic structural view of a deep foundation pit supporting structure according to an embodiment of the present application.
Fig. 2 is an exploded view of the deep excavation supporting structure of fig. 1.
Fig. 3 is a schematic view of the deep excavation supporting structure of fig. 1 to highlight the positioning cone.
Description of reference numerals: 1. a side plate; 2. a base plate; 3. a support bar; 4. inserting an anchoring rod; 5. a sliding track; 6. a sliding groove; 7. a sliding block; 8. a screw rod; 9. a first fixing member; 10. a first fixing hole; 11. a second fixing hole; 12. a limiting block; 13. a threaded passage; 14. rotating the handle; 15. inserting holes; 16. a limiting member; 17. a second fixing member; 18. a third fixing hole; 19. a fourth fixing hole; 20. and (5) positioning a cone.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses deep basal pit supporting construction. Referring to fig. 1, deep basal pit supporting construction includes curb plate 1, bottom plate 2 and grafting anchor rod 4, and curb plate 1 is used for laminating with the lateral wall of foundation ditch, and bottom plate 2 is used for laminating with the bottom surface of foundation ditch, and curb plate 1 and bottom plate 2 can be square board. The number of the inserting anchoring rods 4 is two, one inserting anchoring rod 4 is arranged on the side plate 1, the other inserting anchoring rod 4 is arranged on the bottom plate 2, the inserting anchoring rods 4 are connected with the side plate 1 and the bottom plate 2 in the same mode, and the setting mode of the inserting anchoring rods 4 is specifically explained by taking the side plate 1 as an example.
Preferably, referring to fig. 2, a plugging hole 15 is formed in the side plate 1, the plugging hole 15 is used for inserting the plugging anchor rod 4, the plugging anchor rod 4 can penetrate through the plugging hole 15 to be inserted into the side wall of the foundation pit during installation, the plugging anchor rod 4 has a tip end, a limiting part 16 is arranged at one end of the plugging anchor rod 4, which is far away from the tip end, the limiting part 16 can be cylindrical, and the diameter of the limiting part 16 is larger than the aperture of the plugging hole 15. The side plate 1 is provided with a second fixing member 17, the second fixing member 17 is a second bolt, the limiting member 16 is provided with a third fixing hole 18, the side plate 1 is provided with a fourth fixing hole 19, the fourth fixing hole 19 is provided with an internal thread matched with the second bolt, and the second bolt penetrates through the third fixing hole 18 and is in threaded connection with the fourth fixing hole 19. The grafting anchor 4 can pass plug-in hole 15 again in order to insert the foundation ditch lateral wall in the installation, and locating part 16 offsets with curb plate 1 this moment, then the second bolt passes third fixed orifices 18 and fourth fixed orifices 19 in proper order, then screws up the second bolt, just enables locating part 16 and curb plate 1 and keeps relatively fixed to curb plate 1 just can be connected with the foundation ditch lateral wall, so curb plate 1's installation is comparatively convenient. Meanwhile, the inserting anchoring rods 4 can be separated from the side plates 1 during carrying, so that the deep foundation pit supporting structure is convenient to carry.
Further, referring to fig. 3, this deep basal pit supporting construction still includes location awl 20, location awl 20 has the pointed end, the quantity of location awl 20 is a plurality of, and divide into two sets ofly, a set of location awl 20 sets up in curb plate 1 one side towards the foundation ditch lateral wall, this set of location awl 20 can be for welding with the connected mode of curb plate 1, another set of location awl 20 sets up in one side of bottom plate 2 towards the foundation ditch diapire, this set of location awl 20 can be for welding with the connected mode of curb plate 1, two sets of location awl 20 all are matrix distribution and arrange. During the use only need with curb plate 1 on the pointed end of location awl 20 insert inside the foundation ditch lateral wall, curb plate 1 just can keep tentatively fixed with the foundation ditch lateral wall, also can be convenient simultaneously to curb plate 1 adjusting position, so can be when adjusting curb plate 1 to suitable position both hands operation second bolt so that locating part 16 keeps relatively fixed with curb plate 1, it is comparatively convenient to use.
Further, referring to fig. 1, the deep foundation pit supporting structure further comprises a supporting rod 3, a sliding rail 5 is arranged on the bottom plate 2, the sliding rail 5 is provided with a sliding groove 6, the sliding groove 6 can be a dovetail groove, a sliding block 7 capable of sliding along the sliding groove 6 is arranged in the sliding groove 6, the sliding block 7 is correspondingly a dovetail block, one end of the supporting rod 3 is hinged to the sliding block 7, and the other end of the supporting rod 3 is hinged to the side plate 1. Referring to fig. 2, a first fixing member 9 is arranged on the sliding block 7, the first fixing member 9 is a first bolt, a first fixing hole 10 penetrating through two ends of the sliding block 7 is arranged on the sliding block 7, a second fixing hole 11 is arranged on the bottom wall of the sliding groove 6, which is attached to the bottom end of the sliding block 7, the second fixing hole 11 is provided with an internal thread matched with the first bolt, the number of the second fixing holes 11 is multiple, and the multiple second fixing holes 11 are arranged at intervals along the length direction of the sliding rail 5; the first bolt passes through the first fixing hole 10 and is in threaded connection with the second fixing hole 11. The sliding block 7 can be connected with different second fixing holes 11 when sliding to different positions, so that the sliding block 7 can be adjusted in a sliding mode according to the distance of the second fixing holes 11, and the supporting rod 3 can adjust the abutting degree of the side wall of the foundation pit in a grading mode.
Finally, referring to fig. 1, a driving mechanism is disposed on the bottom plate 2, and the driving mechanism is used for driving the sliding block 7 to slide along the sliding track 5. Specifically, actuating mechanism includes lead screw 8, and the length direction of lead screw 8 is the same with the length direction of groove 6 that slides, and the tip of groove 6 that slides is equipped with stopper 12, and stopper 12 can be square, stopper 12 and the track 5 fixed connection that slides, and stopper 12 can be integrated into one piece with the fixed connection mode of the track 5 that slides. The limiting block 12 is provided with a thread passage 13 communicated with the sliding groove 6, the screw rod 8 is in threaded connection with the thread passage 13, the end part of the screw rod passes through the thread passage 13 and is fixedly connected with the sliding block 7, and one end of the screw rod 8 departing from the sliding block 7 is provided with a rotating handle 14. The lead screw 8 can correspondingly rotate when the rotating handle 14 rotates, and the lead screw 8 can not move due to the limiting block 12 in threaded connection with the lead screw 8 when rotating, so that the lead screw 8 can move along the length direction of the lead screw 8 relative to the limiting block 12, and the end part of the lead screw 8 is fixedly connected with the sliding block 7, so that the sliding block 7 can be driven to slide along the sliding groove 6 when the lead screw 8 moves.
The implementation principle of the deep foundation pit supporting structure in the embodiment of the application is as follows: make bottom plate 2 laminating foundation ditch bottom surface during the installation, insert foundation ditch bottom surface depths with grafting anchor rod 4 on bottom plate 2 simultaneously, then with curb plate 1 laminating foundation ditch lateral wall, inside inserting the grafting anchor rod 4 on the curb plate 1 foundation ditch lateral wall simultaneously. Finally, the rotating handle 14 is rotated to rotate the screw rod 8, the screw rod 8 can not move due to the limited block 12 which is in threaded connection with the screw rod 8 when rotating, therefore, the screw rod 8 can move along the length direction of the screw rod 8 relative to the limiting block 12, and as the end part of the screw rod 8 is fixedly connected with the sliding block 7, therefore, the screw 8 drives the sliding block 7 to slide along the sliding groove 6 when moving, so that the sliding block 7 can move along the sliding groove 6 to be close to the side plate 1, at the moment, the support rod 3 can be abutted against the side wall of the foundation pit, after the support rod 3 is adjusted to a proper abutting force, the first fixing part 9 penetrates through the first fixing hole 10 to be in threaded connection with the second fixing hole 11, the sliding block 7 and the sliding rail 5 can be kept relatively fixed by screwing the first fixing part 9, thereby bracing piece 3 just can keep supporting tightly to the foundation ditch lateral wall, so this deep basal pit supporting construction has improved the support intensity to the foundation ditch.
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. A deep foundation pit supporting structure comprises side plates (1), a bottom plate (2), supporting rods (3) and inserting anchoring rods (4), wherein the side plates (1) are attached to the side wall of a foundation pit, and the bottom plate (2) is attached to the bottom surface of the foundation pit; the number of the inserting anchoring rods (4) is two, one inserting anchoring rod (4) is arranged on the side plate (1), and the other inserting anchoring rod (4) is arranged on the bottom plate (2); the method is characterized in that: a sliding track (5) is arranged on the bottom plate (2), the sliding track (5) is provided with a sliding groove (6), a sliding block (7) capable of sliding along the sliding groove (6) is arranged in the sliding groove (6), one end of the supporting rod (3) is hinged with the sliding block (7), and the other end of the supporting rod (3) is hinged with the side plate (1);
the sliding block (7) is provided with a first fixing piece (9), and the first fixing piece (9) is used for sequentially penetrating through the sliding block (7) and the bottom wall of the sliding groove (6) so as to enable the sliding block (7) and the sliding track (5) to be relatively fixed;
and a driving mechanism is arranged on the bottom plate (2), and is used for driving the sliding block (7) to slide along the sliding track (5).
2. A deep foundation pit supporting construction according to claim 1, wherein: the first fixing piece (9) is a first bolt, the sliding block (7) is provided with first fixing holes (10) penetrating through two ends of the sliding block, the bottom wall of the sliding groove (6) attached to the bottom end of the sliding block (7) is provided with second fixing holes (11), the second fixing holes (11) are provided with internal threads matched with the first bolt, the number of the second fixing holes (11) is multiple, and the second fixing holes (11) are distributed at intervals along the length direction of the sliding track (5);
the first bolt penetrates through the first fixing hole (10) and is in threaded connection with the second fixing hole (11).
3. A deep foundation pit supporting construction according to claim 2, wherein: the sliding groove (6) is a dovetail groove, and the sliding block (7) is a dovetail block.
4. A deep foundation pit supporting construction according to claim 2, wherein: the driving mechanism comprises a screw rod (8), the length direction of the screw rod (8) is the same as that of the sliding groove (6), a limiting block (12) is arranged at the end part of the sliding groove (6), and the limiting block (12) is fixedly connected with the sliding track (5);
the limiting block (12) is provided with a threaded passage (13) communicated with the sliding groove (6), the screw rod (8) is in threaded connection with the threaded passage (13), and the end part of the screw rod penetrates through the threaded passage (13) and is fixedly connected with the sliding block (7).
5. A deep foundation pit supporting construction according to claim 4, wherein: and a rotating handle (14) is arranged at one end of the screw rod (8) departing from the sliding block (7).
6. A deep foundation pit supporting construction according to any one of claims 1 to 5, wherein: the side plate (1) is provided with an inserting hole (15), the inserting anchoring rod (4) is provided with a tip end, one end of the inserting anchoring rod (4) departing from the tip end is provided with a limiting part (16), and the diameter of the limiting part (16) is larger than the aperture of the inserting hole (15);
the side plate (1) is provided with a second fixing piece (17) for keeping the limiting piece (16) and the side plate (1) relatively fixed;
the inserting anchoring rod (4) is used for penetrating through the inserting hole (15) and inserting into the side wall of the foundation pit.
7. The deep foundation pit supporting structure according to claim 6, wherein: the second fixing piece (17) is a second bolt, a third fixing hole (18) is formed in the limiting piece (16), a fourth fixing hole (19) is formed in the side plate (1), the fourth fixing hole (19) is provided with an internal thread matched with the second bolt, and the second bolt penetrates through the third fixing hole (18) and is in threaded connection with the fourth fixing hole (19).
8. A deep foundation pit supporting construction according to claim 7, wherein: still including location awl (20), location awl (20) have most advanced, the quantity of location awl (20) is a plurality of, and divide into two sets ofly, and a set of location awl (20) set up curb plate (1) is towards one side of foundation ditch lateral wall, and another group location awl (20) set up bottom plate (2) are towards one side of foundation ditch diapire, and two sets of location awl (20) all are matrix distribution and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527211.8U CN212926093U (en) | 2020-07-28 | 2020-07-28 | Deep foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527211.8U CN212926093U (en) | 2020-07-28 | 2020-07-28 | Deep foundation pit supporting structure |
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| Publication Number | Publication Date |
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| CN212926093U true CN212926093U (en) | 2021-04-09 |
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| CN202021527211.8U Active CN212926093U (en) | 2020-07-28 | 2020-07-28 | Deep foundation pit supporting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106983A (en) * | 2021-04-14 | 2021-07-13 | 银广厦集团有限公司 | Prestressed beam for foundation pit supporting convenient to operate |
| CN115182356A (en) * | 2022-06-30 | 2022-10-14 | 上安实业江苏有限公司 | Foundation pit supporting and protecting device |
-
2020
- 2020-07-28 CN CN202021527211.8U patent/CN212926093U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106983A (en) * | 2021-04-14 | 2021-07-13 | 银广厦集团有限公司 | Prestressed beam for foundation pit supporting convenient to operate |
| CN115182356A (en) * | 2022-06-30 | 2022-10-14 | 上安实业江苏有限公司 | Foundation pit supporting and protecting device |
| CN115182356B (en) * | 2022-06-30 | 2024-01-26 | 上安实业江苏有限公司 | Foundation pit supporting and protecting device |
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