CN210263066U - But quick installation recovery type stake anchor combines excavation supporting construction - Google Patents
But quick installation recovery type stake anchor combines excavation supporting construction Download PDFInfo
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- CN210263066U CN210263066U CN201920351174.0U CN201920351174U CN210263066U CN 210263066 U CN210263066 U CN 210263066U CN 201920351174 U CN201920351174 U CN 201920351174U CN 210263066 U CN210263066 U CN 210263066U
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Abstract
The utility model relates to an install recoverable stake anchor fast and combine excavation supporting construction, its characterized in that: the soil-piling machine comprises pre-pile soil (1), post-pile soil (2), a Larsen steel sheet pile (3), a steel pipe pile (4), an extensible anchor rod (6) and an outer sleeve (17), wherein the Larsen steel sheet pile (3) is driven into a soil layer along a connecting joint (5) of the steel pipe pile (4), and the post-pile soil (2) is fixed; the extensible anchor rod (6) mainly comprises an outer pipe (7), an inner adjusting rod (8), a connecting rod (11) and an extension rod (13); the inner adjusting rod (8) is centered and limited by a limiting ring (16); the connecting rod (11) is connected with the inner adjusting rod (8) and the extension rod (13); the stretching rod (13) moves upwards along with the inner adjusting rod (8) to present a stretching state. The utility model relates to a structure has easy dismounting, and the efficiency of construction is high, and characteristics such as whole support supporting construction are recoverable have better economic technology benefit.
Description
Technical Field
The utility model relates to an install recoverable stake anchor combination underground structure fast, in particular to be used for the foundation ditch reinforcement, renovate and install recoverable stake anchor combination underground structure fast.
Background
Along with the increase of urban deep foundation pit engineering, the construction site becomes narrower and narrower, and anchor cables and anchor rods are regulated in many cities to be not beyond the red line of land and are required to be recovered. However, the traditional anchoring technology has the defects of insufficient anchoring strength of the anchoring section and low recycling rate of the anchor rod and the anchor cable; the anchor rope is in large quantity and the long consumptive material that causes of single anchor length is many, the cost is high, and foundation ditch waterhead all around is higher, easily leads to the excavation supporting intensity serious not enough to foundation ditch department seepage flow.
To these problems that meet in the excavation supporting engineering, but necessary development a recycle, the high, the good excavation supporting construction of economic nature of efficiency of construction, the utility model discloses it is just to develop under such background and forms, must produce better economic and social benefit in being applied to actual excavation supporting construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the anchoring strength of anchor rods and anchor cables is insufficient and difficult to recover in the traditional foundation pit support, the water heads around the foundation pit are higher and seep to the foundation pit, so that the supporting strength of the foundation pit is insufficient and the like, and provides a rapid installation and recovery type pile-anchor combined foundation pit support structure, wherein steel pipe piles and Larsen steel plate piles are tightly combined and beaten to reinforce the foundation pit and effectively stop water; when the extensible anchor rod is not extended, the extensible anchor rod can penetrate through the through hole in the steel pipe pile and then is extended and anchored in the steel pipe pile, so that the anchoring strength is enhanced; the outer side of the extensible anchor rod is placed in the outer sleeve, and the extensible anchor rod can be directly contracted for recovery outside the anchor rod hole after construction.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model relates to a but quick installation recovery type pile anchor combines foundation ditch supporting construction, including soil before the stake, stake back soil, Larsen steel sheet pile, steel-pipe pile, extensible stock and outer tube, Larsen steel sheet pile establishes between adjacent steel-pipe pile, and Larsen steel sheet pile both sides are connected with the steel-pipe pile, stake front soil and stake back soil establish respectively in the front and back side of Larsen steel sheet pile, the outer tube slant inserts in the soil before the stake; the extensible anchor rod is arranged inside the outer sleeve, the end portion of the extensible anchor rod is inserted into the steel pipe pile, the extensible anchor rod comprises an outer pipe, an inner adjusting rod, a connecting rod and an extensible rod, limiting rings are arranged in the outer pipe at intervals, the inner adjusting rod penetrates through the centers of the limiting rings, the two ends of the connecting rod are hinged to the end portion of the inner adjusting rod and the middle position of the extensible rod respectively, the extensible rod is arranged in an umbrella shape, and the foremost end of the extensible rod is hinged to the outer pipe.
Preferably, the steel pipe pile is welded with a connecting joint, and two sides of the Larsen steel plate pile are connected with the connecting joint of the steel pipe pile; one side of the steel pipe pile, which faces the pile front soil, is provided with a first anchor rod reserved hole, and the extensible anchor rod is inserted into the first anchor rod reserved hole.
Preferably, the outer side of the outer pipe is welded with an outer pipe connector which is bilaterally symmetrical, and an outer pipe telescopic rod hole for the connecting pipe to penetrate through is formed right below the outer pipe connector.
Preferably, the top end of the inner adjusting rod is connected with a limiting head, the limiting head is positioned above the limiting ring at the topmost end, the diameter of the limiting head is larger than the aperture of the limiting ring, and the outer side of the inner adjusting rod is welded with inner adjusting rod connecting grooves which are bilaterally symmetrical.
Preferably, one end of the stretching rod is welded with a stretching rod connecting groove II, and the side of the stretching rod is welded with a stretching rod connecting groove I.
Preferably, the inner adjusting rod connecting groove is composed of two steel plates with inner adjusting rod through holes, and a gap exists between the two steel plates.
Preferably, the first stretching rod connecting groove is composed of two steel plates with first stretching rod through holes, and a gap is formed between the two steel plates; and a second stretching rod through hole is formed in the second stretching rod connecting groove.
Preferably, the two ends of the connecting rod are provided with connecting rod interfaces, each connecting rod interface is composed of a steel plate with through holes, and the connecting rod through holes are formed in the connecting rod interfaces.
Preferably, the outer pipe interface is composed of a steel plate with a through hole, and a second anchor rod preformed hole is formed in the outer pipe interface.
Preferably, a gap exists between the limiting ring and the inner adjusting rod.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the foundation pit supporting structure formed by the steel pipe piles and the Larsen steel plate piles is high in strength, good in water stopping performance, efficient in construction and capable of being repeatedly used, and the steel pipe piles and the Larsen steel plate piles can be pulled along with insertion.
(2) The extensible anchor rod is directly anchored inside the steel pipe pile, the tensile strength of the anchor rod is enhanced, the pile anchor structure is integrated, and the integral supporting effect is greatly improved.
(3) After the foundation pit supporting is completed, the extensible anchor rods are contracted, and the outside of the holes are recovered and recycled.
Drawings
FIG. 1 is a schematic view of a quick install and retrievable pile anchor in combination with a retaining structure of a foundation pit;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of welding of a steel pipe pile and a connecting joint;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 3;
FIG. 5 is an undeployed schematic view of an expandable anchor;
fig. 6 is a schematic view of the deployment of an expandable anchor;
FIG. 7 is a schematic cross-sectional view C-C of FIG. 6;
FIG. 8 is a schematic view of a connecting rod;
FIG. 9 is a schematic view of a spreader bar;
FIG. 10 is a schematic top view of the spreader bar;
FIG. 11 is a schematic view of an inner adjustment lever;
FIG. 12 is a schematic top view of the inner adjustment stem;
FIG. 13 is a schematic view of the outer tube;
FIG. 14 is a schematic cross-sectional view D-D of FIG. 13;
fig. 15 is a schematic top view of the outer tube.
In the figure: 1-pre-pile soil, 2-post-pile soil, 3-Larsen steel plate pile, 4-steel pipe pile, 5-joint, 6-expandable anchor rod, 7-outer pipe, 8-inner adjusting rod, 9-limiting head, 10-inner adjusting rod connecting groove, 11-connecting rod, 12-connecting rod interface, 13-expansion rod, 14-expansion rod connecting groove I, 15-expansion rod connecting groove II, 16-limiting ring, 17-outer sleeve, 18-drilled hole, 19-outer pipe interface, 20-outer pipe expansion rod hole, 21-expansion plate, 22-anchoring nut, 23-cement paste, 24-fixing bolt, 25-connecting rod through hole, 26-expansion rod through hole I, 27-expansion rod through hole II, 28-inner adjusting rod through hole, 29-second anchor rod preformed hole, 30-first anchor rod preformed hole.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Referring to fig. 1, the utility model relates to a but install recovery type stake anchor combination underground structure fast, including soil 1 before the stake, the stake back soil 2, Larsen steel sheet pile 3, steel-pipe pile 4, can extend stock 6 and outer tube 17.
Referring to fig. 1-4, a connector 5 is welded on a steel pipe pile 4, a first anchor rod preformed hole 30 is formed in one side, facing the pile front soil 1, of the steel pipe pile 4, the Larsen steel plate pile 3 is arranged between adjacent steel pipe piles 4, two sides of the Larsen steel plate pile are connected with the steel pipe piles 4, the Larsen steel plate pile 3 is driven into a soil layer along the connector 5 and used for separating the pile front soil 1 and the pile rear soil 2 on the front side and the rear side and playing a role of fixing the pile rear soil 2, and a plurality of Larsen steel plate piles 3 can be driven between the steel pipe piles 4. The outer sleeve 17 is obliquely inserted into the pre-pile soil 1, the outer pipe 7 may be a generally hard PVC pipe, and one end of the inner side of the outer sleeve 17 is butted with the first anchor rod prepared hole 30. The extendable anchor 6 is provided inside the outer tube 17 and its inner end is inserted into the first anchor preformed hole 30.
Referring to fig. 5-7, the extensible anchor rod 6 includes an outer tube 7, an inner adjusting rod 8, a connecting rod 11 and an extension rod 13, a limiting ring 16 is disposed at an interval in the outer tube 7, and the inner adjusting rod 8 penetrates through the center of the limiting ring 16. Referring to fig. 8, the two ends of the connecting rod 11 are provided with connecting rod interfaces 12, each connecting rod interface 12 is composed of a steel plate with through holes, and the connecting rod through holes 25 are formed in the connecting rod interfaces 12. Referring to fig. 9-10, one end of the stretching rod 13 is welded with a stretching rod connecting groove two 15, the side of the stretching rod 13 is welded with a stretching rod connecting groove one 14, the stretching rod connecting groove one 14 and the stretching rod connecting groove two 15 are both formed by two steel plates, a gap exists between the two steel plates, the stretching rod connecting groove one 14 is provided with a stretching rod through hole one 26, and the stretching rod connecting groove two 15 is provided with a stretching rod through hole two 27. Referring to fig. 11-12, the top end of the inner adjusting rod 8 is connected with a limiting head 9, the limiting head 9 is located above the topmost limiting ring 16, the diameter of the limiting head 9 is larger than the aperture of the limiting ring 16, inner adjusting rod connecting grooves 10 which are bilaterally symmetrical are welded on the outer side of the inner adjusting rod 8, the inner adjusting rod connecting grooves 10 are composed of two steel plates with inner adjusting rod through holes 28, and a gap exists between the two steel plates. Referring to fig. 13-15, an outer tube connector 19 is welded to the outer side of the outer tube 7, the outer tube connector 19 is formed by a steel plate with a through hole, a second anchor rod preformed hole 29 is formed in the outer tube connector 19, an outer tube telescopic rod hole 20 through which the connecting rod 11 passes is formed right below the outer tube connector 19, and the top end of the outer tube 7 is conical.
When the extensible anchor rod 6 is assembled, the inner adjusting rod 8 penetrates through the limiting ring 16, two ends of the connecting rod 11 are hinged to the inner adjusting rod connecting groove 10 of the inner adjusting rod 8 and the extension rod connecting groove 14 of the extension rod 13 through the fixing bolt 24 respectively, the extension rod 13 is arranged in an umbrella shape, and the foremost fixing bolt 24 of the extension rod 13 is hinged to the outer pipe connector 19 of the outer pipe 7. The extension rod 13 is extended by pushing the inner adjustment rod 8 forward, and the extension rod 13 is retracted by pulling the inner adjustment rod 8 backward.
Referring to fig. 1, 5 and 6, after the steel pipe pile 4 and the larsen steel sheet pile 3 are constructed, the foundation pit wall is positioned by paying off, a drill 18 is drilled by a drilling machine, and the depth of the drill 18 reaches the wall of the steel pipe pile 4. And (3) putting the outer sleeve 17, centering the outer sleeve 17, contracting the extensible anchor rod 6 by moving the inner adjusting rod 8, putting the extensible anchor rod 6 into the outer sleeve 17, penetrating through the first anchor rod preformed hole 30 of the steel pipe pile 4 to deeply penetrate into the steel pipe pile 4, moving the inner adjusting rod 8 to extend the extensible anchor rod 6 and fixing the extensible anchor rod 6 on the steel pipe pile 4 as shown in figure 5. Grouting is performed around the outer casing to form a grout layer 23 and the expandable anchor rods 6 are locked in the borehole 18 by means of the enlarged plate 21 and the anchor nut 22.
The above-mentioned specific embodiments do not limit the technical solutions of the present invention in any form, and all the technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an install recoverable pile anchor combination underground structure fast, its characterized in that: the steel pipe pile comprises pile front soil (1), pile rear soil (2), Larsen steel plate piles (3), steel pipe piles (4), stretchable anchor rods (6) and outer sleeves (17), wherein the Larsen steel plate piles (3) are arranged between adjacent steel pipe piles (4), two sides of each Larsen steel plate pile are connected with the steel pipe piles (4), the pile front soil (1) and the pile rear soil (2) are respectively arranged on the front side and the rear side of each Larsen steel plate pile (3), and the outer sleeves (17) are obliquely inserted into the pile front soil (1); the extensible anchor rod (6) is arranged inside an outer sleeve (17), the end part of the extensible anchor rod is inserted into a steel pipe pile (4), the extensible anchor rod comprises an outer pipe (7), an inner adjusting rod (8), a connecting rod (11) and an extensible rod (13), limiting rings (16) are arranged in the outer pipe (7) at intervals, the inner adjusting rod (8) penetrates through the centers of the limiting rings (16), two ends of the connecting rod (11) are hinged to the end part of the inner adjusting rod (8) and the middle position of the extensible rod (13) respectively, the extensible rod (13) is arranged in an umbrella shape, and the most front end of the extensible rod (13) is hinged to the outer pipe (7).
2. The quick install and retrievable pile anchor associated excavation supporting structure of claim 1, wherein: the steel pipe piles (4) are welded with connecting joints (5), and two sides of the Larsen steel plate pile (3) are connected with the connecting joints (5) of the steel pipe piles (4); a first anchor rod preformed hole (30) is formed in one side, facing the pile front soil (1), of the steel pipe pile (4), and the extensible anchor rod (6) is inserted into the first anchor rod preformed hole (30).
3. The quick install and retrievable pile anchor associated excavation supporting structure of claim 1, wherein: the outer pipe (7) outside welding has bilateral symmetry's outer pipe interface (19), is equipped with outer pipe telescopic link hole (20) that are used for connecting rod (11) to pass under outer pipe interface (19).
4. The quick install and retrievable pile anchor associated excavation supporting structure of claim 1, wherein: the top end of the inner adjusting rod (8) is connected with a limiting head (9), the limiting head (9) is located above a limiting ring (16) at the top end, the diameter of the limiting head (9) is larger than the aperture of the limiting ring (16), and the outer side of the inner adjusting rod (8) is welded with inner adjusting rod connecting grooves (10) which are symmetrical left and right.
5. The quick install and retrievable pile anchor associated excavation supporting structure of claim 1, wherein: one end of the stretching rod (13) is welded with a stretching rod connecting groove II (15), and the side of the stretching rod (13) is welded with a stretching rod connecting groove I (14).
6. The quick install and retrievable pile anchor associated excavation supporting structure of claim 4, wherein: the inner adjusting rod connecting groove (10) is composed of two steel plates with inner adjusting rod through holes (28), and a gap exists between the two steel plates.
7. The quick install and retrievable pile anchor associated excavation supporting structure of claim 5, wherein: the first extension rod connecting groove (14) is composed of two steel plates with first extension rod through holes (26), and a gap is formed between the two steel plates; and a second stretching rod through hole (27) is formed in the second stretching rod connecting groove (15).
8. The quick install and retrievable pile anchor associated excavation supporting structure of claim 1, wherein: the connecting rod connector (12) is arranged at two ends of the connecting rod (11), the connecting rod connector (12) is composed of a steel plate with through holes, and a connecting rod through hole (25) is arranged at the connecting rod connector (12).
9. The quick install and retrievable pile anchor associated excavation supporting structure of claim 3, wherein: the outer pipe connector (19) is composed of a steel plate with a through hole, and a second anchor rod preformed hole (29) is formed in the outer pipe connector (19).
10. The quick install and retrievable pile anchor associated excavation supporting structure of claim 1, wherein: a gap is formed between the limiting ring (16) and the inner adjusting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351174.0U CN210263066U (en) | 2019-03-19 | 2019-03-19 | But quick installation recovery type stake anchor combines excavation supporting construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351174.0U CN210263066U (en) | 2019-03-19 | 2019-03-19 | But quick installation recovery type stake anchor combines excavation supporting construction |
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| CN210263066U true CN210263066U (en) | 2020-04-07 |
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| CN201920351174.0U Active CN210263066U (en) | 2019-03-19 | 2019-03-19 | But quick installation recovery type stake anchor combines excavation supporting construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089733A (en) * | 2021-04-28 | 2021-07-09 | 东北农业大学 | Anti frozen swelling destroys elastic pile basis |
| CN113431517A (en) * | 2021-06-23 | 2021-09-24 | 华能灵台邵寨煤业有限责任公司 | Quick plugging device suitable for multi-aperture cyclic multiplexing orifice |
| CN114687352A (en) * | 2022-03-07 | 2022-07-01 | 中煤建工集团有限公司 | Self-stabilizing broken line sheet pile wall structure |
-
2019
- 2019-03-19 CN CN201920351174.0U patent/CN210263066U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089733A (en) * | 2021-04-28 | 2021-07-09 | 东北农业大学 | Anti frozen swelling destroys elastic pile basis |
| CN113431517A (en) * | 2021-06-23 | 2021-09-24 | 华能灵台邵寨煤业有限责任公司 | Quick plugging device suitable for multi-aperture cyclic multiplexing orifice |
| CN114687352A (en) * | 2022-03-07 | 2022-07-01 | 中煤建工集团有限公司 | Self-stabilizing broken line sheet pile wall structure |
| CN114687352B (en) * | 2022-03-07 | 2024-03-26 | 中煤建工集团有限公司 | Self-stabilizing type broken line sheet pile wall structure |
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