CN211172001U - Stable safety structure is protected to combined type deep basal pit support dimension - Google Patents
Stable safety structure is protected to combined type deep basal pit support dimension Download PDFInfo
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- CN211172001U CN211172001U CN201921779770.5U CN201921779770U CN211172001U CN 211172001 U CN211172001 U CN 211172001U CN 201921779770 U CN201921779770 U CN 201921779770U CN 211172001 U CN211172001 U CN 211172001U
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Abstract
The utility model discloses a stable safety structure is protected to combined type deep basal pit support, including sectional type protection pillar, hydraulic telescoping cylinder, prefabricated reinforced concrete square pile and gim peg, the inside of prefabricated reinforced concrete square pile is fixed with the jet grouting pile, the upper end of jet grouting pile is fixed with the mount, the upper end of mount and the jet grouting pile correspond the position and be fixed with the fixed disk, the utility model discloses a set up echelonment solid fixed ring around the surface of prefabricated reinforced concrete square pile, and the lower extreme of solid fixed ring is the slope structure and the upper end is horizontal structure, increases the contact force receiving area, improves stability, avoids becoming flexible; the utility model discloses can correspond the sectional type protection pillar of length according to the degree of depth equipment of foundation ditch, through inserting the fixed pin in the fixed slot between the adjacent sectional type protection pillar, the fixed fixture block card of fixed pin advances in the fixing card hole of fixed slot, and the fast assembly who realizes the sectional type protection pillar is fixed.
Description
Technical Field
The utility model belongs to the technical field of the excavation supporting, concretely relates to steady safety structure of combined type deep basal pit support dimension.
Background
The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.
As a structural system, the foundation pit support should meet the requirements of stability and deformation, namely the requirements of two limit states, namely a bearing capacity limit state and a normal use limit state, which are generally specified. The limited bearing capacity state refers to the state of support structure damage, toppling, sliding or peripheral environment damage for foundation pit support, and the instability in a large range occurs. The general design requirement is that the supporting structure is not allowed to assume such extreme conditions. The limit state of normal use refers to deformation of the supporting structure or excessive deformation of the surrounding soil body caused by excavation, which affects normal use but does not cause structural instability. Therefore, the design of the foundation pit support has enough safety factor relative to the extreme bearing capacity state, so that the support cannot be unstable, and the displacement is controlled under the condition of ensuring no instability, so that the safe use of surrounding buildings cannot be influenced.
The prior art has the following problems: when the existing composite type deep foundation pit supporting and stabilizing safety structure is used, a supporting pile used by a foundation pit is fixed and cannot be changed along with the change of the depth of the foundation pit, the fixing and the installation are troublesome, meanwhile, a prefabricated reinforced concrete square pile structure is flat, the contact area is small, the tensile dragging effect is poor, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a stable safety structure of combined type deep basal pit support dimension has simple structure, and fixed mounting is convenient, adjusts portably, fixed firm characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stable safety structure of combined type deep basal pit support dimension, includes sectional type protection pillar, hydraulic telescoping cylinder, prefabricated reinforced concrete square pile and gim peg, the inside of prefabricated reinforced concrete square pile is fixed with spouts the stake soon, the upper end of spouting the stake soon is fixed with the mount, the upper end of mount corresponds the position with spouting the stake soon and is fixed with the fixed disk, the other end bottom of mount is fixed with the hydraulic telescoping cylinder, the lower extreme of hydraulic telescoping cylinder is fixed with the fixing base, the centre of fixing base is fixed with the gim peg, the centre of gim peg is fixed with sectional type protection pillar.
Preferably, sectional type protection pillar includes fixed fixture block, fixed pin, fixed orifices, fixed slot, fixing card hole and reset spring, wherein, the cylinder lower extreme of sectional type protection pillar is provided with the fixed pin, the cylinder upper end of sectional type protection pillar is provided with the fixed slot, the inside of fixed pin is fixed with reset spring, reset spring's the other end is fixed with fixed fixture block, the surface of sectional type protection pillar is provided with the fixing card hole corresponding with fixed fixture block, the cylinder surface of sectional type protection pillar is provided with the fixed orifices corresponding with the gim peg.
Preferably, the fixing groove at the upper end of the sectional type protection pillar is provided with an oval structure, and the fixing pin corresponds to the fixing groove.
Preferably, the periphery of the surface of the prefabricated reinforced concrete square pile is provided with a stepped fixing ring, the lower end of the fixing ring is of an inclined structure, and the upper end of the fixing ring is of a horizontal structure.
Preferably, a fixed slotted hole is formed in the prefabricated reinforced concrete square pile, and the size of the jet grouting pile corresponds to that of the prefabricated reinforced concrete square pile.
Preferably, the upper end of the jet grouting pile is of a cross structure, and the middle of the fixed disc is provided with a cross slotted hole.
Preferably, the upper end of the fixing frame is respectively provided with a fixing slot hole for the sectional type protection pillar and the rotary jet grouting pile.
Preferably, the reset spring is in an expansion state in a natural state, the surface of the fixed clamping block is located in a cylinder fixed clamping hole of the sectional type protection support column when the fixed clamping block is expanded, and the fixed clamping block is located inside the fixed pin after being contracted.
Preferably, the inner wall of the fixing hole is provided with a fastening thread corresponding to the fixing bolt, and the fixing bolt is rotatably connected with the fixing seat through the thread.
Preferably, the telescopic length of the hydraulic telescopic cylinder is consistent with the length of the sectional type protection pillar.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the stepped fixing rings are arranged around the surface of the prefabricated reinforced concrete square pile, the lower end of each fixing ring is of an inclined structure, and the upper end of each fixing ring is of a horizontal structure, so that the contact stress area is increased, the stability is improved, and the looseness is avoided;
2. the utility model can assemble the sectional type protection pillars with corresponding lengths according to the depth of the foundation pit, and the fixing fixture block of the fixing pin is clamped into the fixing fixture hole of the fixing groove by inserting the fixing pin into the fixing groove between the adjacent sectional type protection pillars, thereby realizing the quick assembly and fixation of the sectional type protection pillars;
3. the utility model discloses a hydraulic telescoping cylinder extension makes the sectional type protection pillar that the gim peg is connected descend, installs new sectional type protection pillar additional in the upper end of original sectional type protection pillar, and hydraulic telescoping cylinder returns and contracts and fixes the gim peg on the fixed orifices of new sectional type protection pillar, conveniently extends again, improves and struts the security.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sectional type protective support structure of the present invention;
fig. 3 is a schematic side view of the hydraulic telescopic cylinder of the present invention;
fig. 4 is a schematic top view of the present invention;
in the figure: 1. a segmented protective pillar; 11. fixing the fixture block; 12. a fixing pin; 13. a fixing hole; 14. fixing grooves; 15. fixing the clamp hole; 16. a return spring; 2. a hydraulic telescopic cylinder; 3. prefabricating a reinforced concrete square pile; 4. carrying out jet grouting pile; 5. fixing the disc; 6. a fixed mount; 7. a fixing bolt; 8. a fixed seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a composite type deep foundation pit supporting stability maintaining safety structure comprises a sectional type protective supporting column 1, a hydraulic telescopic cylinder 2, a prefabricated reinforced concrete square pile 3 and a fixing bolt 7, wherein in order to increase the contact area, step-shaped fixing rings are arranged on the periphery of the surface of the prefabricated reinforced concrete square pile 3, the lower end of each fixing ring is of an inclined structure, the upper end of each fixing ring is of a horizontal structure, a rotary spraying pile 4 is fixed inside the prefabricated reinforced concrete square pile 3, in order to improve the fixing stability, a fixed slotted hole is formed in the prefabricated reinforced concrete square pile 3, the size of each rotary spraying pile 4 corresponds to that of the prefabricated reinforced concrete square pile 3, a fixing frame 6 is fixed at the upper end of each rotary spraying pile 4, a fixing plate 5 is fixed at the position, corresponding to the rotary spraying pile 4, in order to facilitate fixing, the upper end of each rotary spraying pile 4 is of a cross structure, and the middle of each, the other end bottom of mount 6 is fixed with hydraulic telescoping cylinder 2, and the lower extreme of hydraulic telescoping cylinder 2 is fixed with fixing base 8, and the centre of fixing base 8 is fixed with gim peg 7, and the centre of gim peg 7 is fixed with sectional type protection pillar 1, and in order to fix, the upper end of mount 6 is provided with respectively and is used for sectional type protection pillar 1 and spouts 4 fixed slotted holes of stake soon, and in order to change, the flexible length of hydraulic telescoping cylinder 2 is unanimous with sectional type protection pillar 1's length.
The sectional type protective supporting column 1 comprises a fixed clamping block 11, a fixed pin 12, a fixed hole 13, a fixed groove 14, a fixed clamping hole 15 and a reset spring 16, wherein the fixed pin 12 is arranged at the lower end of the sectional type protective supporting column 1, the fixed groove 14 is arranged at the upper end of the sectional type protective supporting column 1, in order to improve the fixing firmness, the fixed groove 14 at the upper end of the sectional type protective supporting column 1 is in an oval structure, the fixed pin 12 corresponds to the fixed groove 14, the reset spring 16 is fixed inside the fixed pin 12, the fixed clamping block 11 is fixed at the other end of the reset spring 16, the fixed clamping hole 15 corresponding to the fixed clamping block 11 is arranged on the surface of the sectional type protective supporting column 1, in order to facilitate rapid fixing and disassembly, the reset spring 16 is in an expansion state under a natural state, and the surface is positioned, the fixed clamping block 11 is located inside the fixed pin 12 after being contracted, the surface of the cylinder of the sectional type protective support column 1 is provided with a fixed hole 13 corresponding to the fixed bolt 7, in order to facilitate fixed installation, the inner wall of the fixed hole 13 is provided with a fastening thread corresponding to the fixed bolt 7, and the fixed bolt 7 is rotatably connected with the fixed seat 8 through the thread.
The utility model discloses a theory of operation and use flow: when the utility model is used, the prefabricated reinforced concrete square pile 3 is fixed in the side soil foundation of a deep foundation pit, then the jet grouting pile 4 is fixed in the prefabricated reinforced concrete square pile 3, the upper end of the jet grouting pile 4 is fixed with the fixing frame 6 and then fixed by the fixing disc 5, the sectional type protection pillars 1 with corresponding length are assembled according to the depth of the foundation pit, the fixing pins 12 are inserted into the fixing grooves 14 between the adjacent sectional type protection pillars 1, the fixing fixture blocks 11 of the fixing pins 12 are clamped into the fixing fixture holes 15 of the fixing grooves 14, the rapid assembly and fixation of the sectional type protection pillars 1 are realized, the lower ends of the sectional type protection pillars 1 are inserted into the foundation pit, the upper ends are clamped in the slotted holes of the fixing frame 6, the fixing of the sectional type protection pillars 1 is realized, the support is carried out through the sectional type protection pillars 1, the maintenance safety of the foundation pit is, through the sectional type protection pillar 1 that hydraulic telescoping cylinder 2 extension made the gim peg 7 connect descend, then install new sectional type protection pillar 1 additional in the upper end of original sectional type protection pillar 1, hydraulic telescoping cylinder 2 contracts and fixes gim peg 7 on the fixed orifices 13 of new sectional type protection pillar 1, conveniently extends again, simple structure, and it is portable to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a stable safety structure of combined type deep basal pit support dimension, includes sectional type protection pillar (1), hydraulic telescoping cylinder (2), prefabricated reinforced concrete square pile (3) and gim peg (7), its characterized in that: the utility model discloses a hydraulic telescopic pile, including prefabricated reinforced concrete square pile (3), the inside of prefabricated reinforced concrete square pile (3) is fixed with spouts stake (4) soon, the upper end of spouting stake (4) soon is fixed with mount (6), the upper end of mount (6) corresponds rigidity with spout stake (4) soon and has fixed disk (5), the other end bottom of mount (6) is fixed with hydraulic telescopic cylinder (2), the lower extreme of hydraulic telescopic cylinder (2) is fixed with fixing base (8), the centre of fixing base (8) is fixed with gim peg (7), the centre of gim peg (7) is fixed with sectional type protection pillar (1).
2. The composite deep foundation pit support stability maintaining safety structure of claim 1, wherein: sectional type protection pillar (1) is including fixed fixture block (11), fixed pin (12), fixed orifices (13), fixed slot (14), fixing clip hole (15) and reset spring (16), wherein, the cylinder lower extreme of sectional type protection pillar (1) is provided with fixed pin (12), the cylinder upper end of sectional type protection pillar (1) is provided with fixed slot (14), the inside of fixed pin (12) is fixed with reset spring (16), the other end of reset spring (16) is fixed with fixed fixture block (11), the surface of sectional type protection pillar (1) is provided with and fixes the corresponding fixing clip hole (15) of fixture block (11), the cylinder surface of sectional type protection pillar (1) is provided with and fixes corresponding fixed orifices (13) of bolt (7).
3. The composite deep foundation pit support stability maintaining safety structure of claim 2, wherein: the fixing groove (14) at the upper end of the sectional type protection pillar (1) is of an oval structure, and the fixing pin (12) corresponds to the fixing groove (14).
4. The composite deep foundation pit support stability maintaining safety structure of claim 1, wherein: the periphery of the surface of the prefabricated reinforced concrete square pile (3) is provided with a step-shaped fixing ring, the lower end of the fixing ring is of an inclined structure, and the upper end of the fixing ring is of a horizontal structure.
5. The composite deep foundation pit support stability maintaining safety structure of claim 1, wherein: the prefabricated reinforced concrete square pile is characterized in that a fixed slotted hole is formed in the prefabricated reinforced concrete square pile (3), and the size of the jet grouting pile (4) corresponds to that of the prefabricated reinforced concrete square pile (3).
6. The composite deep foundation pit support stability maintaining safety structure of claim 1, wherein: the upper end of the jet grouting pile (4) is of a cross structure, and the middle of the fixed disk (5) is provided with a cross slotted hole.
7. The composite deep foundation pit support stability maintaining safety structure of claim 1, wherein: the upper end of the fixing frame (6) is respectively provided with a fixing groove hole for the sectional type protective support column (1) and the rotary jet grouting pile (4).
8. The composite deep foundation pit support stability maintaining safety structure of claim 2, wherein: the restoring spring (16) is in an expansion state in a natural state, the surface of the fixed clamping block (11) is located in a cylinder fixing clamping hole (15) of the sectional type protection support column (1) when the fixed clamping block is expanded, and the fixed clamping block (11) is located inside the fixed pin (12) after being contracted.
9. The composite deep foundation pit support stability maintaining safety structure of claim 2, wherein: the inner wall of the fixing hole (13) is provided with a fastening thread corresponding to the fixing bolt (7), and the fixing bolt (7) is rotatably connected with the fixing seat (8) through the thread.
10. The composite deep foundation pit support stability maintaining safety structure of claim 1, wherein: the telescopic length of the hydraulic telescopic cylinder (2) is consistent with that of the sectional type protection pillar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921779770.5U CN211172001U (en) | 2019-10-22 | 2019-10-22 | Stable safety structure is protected to combined type deep basal pit support dimension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921779770.5U CN211172001U (en) | 2019-10-22 | 2019-10-22 | Stable safety structure is protected to combined type deep basal pit support dimension |
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| CN211172001U true CN211172001U (en) | 2020-08-04 |
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| CN201921779770.5U Active CN211172001U (en) | 2019-10-22 | 2019-10-22 | Stable safety structure is protected to combined type deep basal pit support dimension |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607794A (en) * | 2019-10-22 | 2019-12-24 | 山西省工业设备安装集团有限公司 | Stable safety structure is protected to combined type deep basal pit support dimension |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607794A (en) * | 2019-10-22 | 2019-12-24 | 山西省工业设备安装集团有限公司 | Stable safety structure is protected to combined type deep basal pit support dimension |
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Address after: 030032 No. 8, Xinhua Road, Tanghuai Industrial Park, Shanxi transformation and comprehensive reform demonstration zone, Taiyuan City, Shanxi Province Patentee after: Shanxi Installation Group Co.,Ltd. Address before: 030021 No.8 Xinhua Road, Taiyuan Economic and Technological Development Zone, Xiaodian District, Taiyuan City, Shanxi Province Patentee before: SHANXI INDUSTRIAL EQUIPMENT INSTALLATION GROUP Co.,Ltd. |