CN208844560U - A kind of inner bearing type enlarged footing anchor structure - Google Patents
A kind of inner bearing type enlarged footing anchor structure Download PDFInfo
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- CN208844560U CN208844560U CN201821644164.8U CN201821644164U CN208844560U CN 208844560 U CN208844560 U CN 208844560U CN 201821644164 U CN201821644164 U CN 201821644164U CN 208844560 U CN208844560 U CN 208844560U
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- tablet
- protective cover
- anchoring
- annular groove
- slot
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Abstract
The utility model discloses a kind of inner bearing type enlarged footing anchor structures, belong to anchoring piece technical field.It includes jacking tube, taper protective cover, anchoring tablet, tablet fixed ring, anchor cable beam, expansion pipe;The jacking tube upper surface is equipped with lower annular groove, and jacking tube top surrounding is uniformly provided with the lower tablet slot of multiple upper openings;Taper protective cover lower end surface is equipped with upper annular groove, and taper protective cover bottom is equipped with connecting sleeve, and taper protective cover lower part surrounding is uniformly provided with the upper tablet slot of multiple under sheds;The anchoring tablet top is equipped with rotation hole, and top is equipped with pulling eye;Interior squeeze of insertion jacking tube anchors on the inside of tablet the expansion pipe from below.It has the advantages that bearing capacity is high, grouting amount is few, easy construction, environmentally protective, is particularly suitable for sand, bury, the side slope of silt soil region and base pit engineering, prevents Slope Sliding and foundation pit crater wall from collapsing, hole bottom is floated.
Description
Technical field
The utility model relates to a kind of inner bearing type enlarged footing anchor structures, belong to anchoring piece technical field.
Background technique
Currently, the side slope of various scales, the quantity of base pit engineering are increasing in engineering construction, to keep long-term slope steady
It is fixed, and foundation pit crater wall safety and hole bottom stability against floating are protected, need side slope, crater wall to carry out supporting or add to hole bottom progress anti-floating
Gu anchor pole feature at low cost with its, high-efficient is widely used in pattern foundation pit supporting structure, in side slope consolidation projects.It is current common
Anchor pole or anchor cable, anchorage effect are usually to pass through to realize in conjunction with the cement body sidewall of anchor pole and the resistance of soil, but only rely on side
The anchor structure of resistance, drilling depth needed for reaching design bearing capacity is larger, and grouting amount is more, and waste of material is larger;It is related
Specification provides rock-bolt length no more than land red-line, under the basis that not can enter adjacent buildings, also limits anchor pole
Using;In addition, existing anchor pole, anchor cable system are poor to the adaptability of special soil layer, it is easy to collapse in chiltern, silt soil strata
Hole, difficulty of construction are larger.The Relative sliding for being difficult to ignore can be generated when the shearing force between anchor pole and the soil body reaches a certain level,
Biggish support system can be caused to deform.The presence of a large amount of solidification injecting cement pastes, can cause a degree of pollution to strengthening stratum.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of inner bearing type enlarged footing anchor structures, it is solved
The anchor pole anchored in a manner of cement injection at present, anchor cable, it is larger that there are drilling depths, and grouting amount is more, waste of material is larger,
And the problem poor to the adaptability of special soil layer.
Technical problem to be solved in the utility model takes following technical scheme to realize:
A kind of inner bearing type enlarged footing anchor structure, it include jacking tube, taper protective cover, anchoring tablet, tablet fixed ring,
Anchor cable beam, expansion pipe;
The jacking tube upper surface is equipped with lower annular groove, and jacking tube top surrounding is uniformly provided with the lower tablet of multiple upper openings
Slot;
Taper protective cover lower end surface is equipped with upper annular groove, and taper protective cover bottom is equipped with connecting sleeve, connecting sleeve
Outer diameter is equal to jacking bore, and taper protective cover lower part surrounding is uniformly provided with the upper tablet slot of multiple under sheds, taper protective cover
It is inserted into jacking tube upper end by connecting sleeve, the split corresponding with lower annular groove of upper annular groove forms annular groove, and upper tablet slot is under
Tablet slot corresponds to split and forms tablet slot;
The anchoring tablet top is equipped with rotation hole, and top is equipped with pulling eye, anchors the rotation hole string of tablet in the rigid of closure
In piece fixed ring, tablet fixed ring is placed in annular groove, and an anchoring tablet is accommodated in each tablet slot, each anchoring tablet
Pulling eye connects an anchor cable, forms anchor cable beam;
Interior squeeze of insertion jacking tube anchors on the inside of tablet the expansion pipe from below.
As preferred embodiment, to cut the native edge of a knife on the outside of the anchoring tablet, inside is wide face knife spine.
As preferred embodiment, the jacking bore is equal to expansion pipe outside diameter.
The beneficial effects of the utility model are: the taper protective cover side pressure of jacking tube is entered soil body predetermined depth, by preceding
It pushes away expansion pipe and is squeezed out tablet is anchored from tablet slot, is inserted into the soil body, meanwhile, apply pulling force to anchor cable beam, supplementary anchorage is rigid
Piece extension, then slip casting anchoring;By inner bearing type enlarged footing anchor structure, so that anchor pole or anchor cable have the slip casting of end expanding
Body, compared with prior art, it has the advantages that, and bearing capacity is high, grouting amount is few, easy construction, environmentally protective, effective solution
The hypodynamic problem of anchoring, is particularly suitable for sand, bury, the side slope of silt soil region and base pit engineering, prevents side
Hill wash moves and foundation pit crater wall is collapsed, hole bottom is floated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of jacking tube and taper protective cover;
Fig. 3 is jacking tube and taper protective cover attachment structure schematic diagram;
Fig. 4 is anchoring tablet structural schematic diagram;
Fig. 5 is structural schematic diagram when the utility model anchoring tablet is packed up;
Fig. 6 is that the utility model anchors the structural schematic diagram after tablet extension.
In figure: jacking tube 1, lower annular groove 11, lower tablet slot 12, taper protective cover 2, upper annular groove 21, connecting sleeve 22,
Upper tablet slot 23, anchors tablet 3, rotation hole 31, and pulling eye 32 cuts the native edge of a knife 33, wide face knife spine 34, tablet fixed ring 4, anchor cable beam
5, expand pipe 6.
Specific embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness to the utility model are easy to understand, tie below
Conjunction is specifically illustrating, and the utility model is further described.
As shown in figs 1 to 6, a kind of inner bearing type enlarged footing anchor structure, it includes jacking tube 1, taper protective cover 2, anchoring
Tablet 3, tablet fixed ring 4, anchor cable beam 5, expansion pipe 6;
1 upper surface of jacking tube is equipped with lower annular groove 11, and 1 top surrounding of jacking tube is uniformly provided with the lower tablet of multiple upper openings
Slot 12;
2 lower end surface of taper protective cover is equipped with upper annular groove 21, and 2 bottom of taper protective cover is equipped with connecting sleeve 22, connector sleeve
22 outer diameter of pipe is equal to 1 internal diameter of jacking tube, and 2 lower part surrounding of taper protective cover is uniformly provided with the upper tablet slot 23 of multiple under sheds, bores
Shape protective cover 2 is inserted into 1 upper end of jacking tube by connecting sleeve 22, and the split corresponding with lower annular groove 11 of upper annular groove 21 forms annulus
Slot, the split corresponding with lower tablet slot 12 of upper tablet slot 23 form tablet slot;
It anchors 3 top of tablet and is equipped with rotation hole 31, top is equipped with pulling eye 32, and the string of rotation hole 31 of anchoring tablet 3 is being closed
Tablet fixed ring 4 on, tablet fixed ring 4 is placed in annular groove, and an anchoring tablet 3, Mei Gemao is accommodated in each tablet slot
Gu the pulling eye 32 of tablet 3 connects an anchor cable, anchor cable beam 5 is formed;
Expansion pipe 6, which is inserted into from below in jacking tube 1, squeezes 3 inside of anchoring tablet.
To cut the native edge of a knife 33 on the outside of anchoring tablet 3, inside is wide face knife spine 34.It is oblique for anchoring the wide face knife spine 34 of tablet 3
Side, expansion pipe 6 squeeze bevel edge and release tablet 3 is anchored from tablet slot.
1 internal diameter of jacking tube is equal to expansion 6 outer diameter of pipe.
It uses step: in use, 3 sets of tablet will be anchored in tablet fixed ring 4, passing through welded closure tablet fixed ring 4
Tablet fixed ring 4, is then placed in lower annular groove 11 by opening, each accommodates an anchoring tablet 3 in lower tablet slot 12, then
Taper protective cover 2 is corresponded to and is covered in 1 upper end of jacking tube, the split corresponding with lower annular groove 11 of upper annular groove 21 forms annular groove,
Corresponding with lower tablet slot 12 split of upper tablet slot 23 forms tablet slot, by pressure mechanism by 2 end of taper protective cover of jacking tube 1
It is pressed into soil body predetermined depth, is squeezed out from tablet slot by being pushed forward expansion pipe 6 by tablet 3 is anchored, is inserted into the soil body, meanwhile, to
Anchor cable beam 5 applies pulling force, and supplementary anchorage tablet 3 extends, and extracts expansion pipe 6, to anchoring 3 position slip casing by pressure of tablet, makes
The cement slurry that tablet 3 and solidification must be anchored forms enlarged footing anchoring body, finally extracts jacking tube 1, and anchoring tablet 3, tablet is solid
Determine ring 4, taper protective cover 2 stays in the soil body, jacking tube 1, expansion pipe 6 can be recycled, connected by anchor cable beam 5 with outside
It connects, carries out subsequent anchoring work;By inner bearing type enlarged footing anchor structure, so that anchor pole or anchor cable have the slip casting of end expanding
Body, compared with prior art, it has the advantages that, and bearing capacity is high, grouting amount is few, easy construction, environmentally protective, effective solution
The hypodynamic problem of anchoring, is particularly suitable for sand, bury, the side slope of silt soil region and base pit engineering, prevents side
Hill wash moves and foundation pit crater wall is collapsed, hole bottom is floated.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry it should be appreciated that the present utility model is not limited to the above embodiments, do not depart from the spirit of the present invention and
Under the premise of range, the utility model also has various changes and improvements, these changes and improvements both fall within the utility model and want
In the range of asking protection.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (3)
1. a kind of inner bearing type enlarged footing anchor structure, it is characterised in that: it includes jacking tube, taper protective cover, anchors tablet, is rigid
Piece fixed ring, anchor cable beam, expansion pipe;
The jacking tube upper surface is equipped with lower annular groove, and jacking tube top surrounding is uniformly provided with the lower tablet slot of multiple upper openings;
Taper protective cover lower end surface is equipped with upper annular groove, and taper protective cover bottom is equipped with connecting sleeve, connecting sleeve outer diameter
Equal to jacking bore, taper protective cover lower part surrounding is uniformly provided with the upper tablet slot of multiple under sheds, and taper protective cover passes through
Connecting sleeve is inserted into jacking tube upper end, and the split corresponding with lower annular groove of upper annular groove forms annular groove, upper tablet slot and lower tablet
Slot corresponds to split and forms tablet slot;
The anchoring tablet top is equipped with rotation hole, and top is equipped with pulling eye, and the rotation hole string for anchoring tablet is solid in the tablet of closure
Determine on ring, tablet fixed ring is placed in annular groove, and an anchoring tablet, the pulling eye of each anchoring tablet are accommodated in each tablet slot
An anchor cable is connected, anchor cable beam is formed;
Interior squeeze of insertion jacking tube anchors on the inside of tablet the expansion pipe from below.
2. a kind of inner bearing type enlarged footing anchor structure according to claim 1, it is characterised in that: be on the outside of the anchoring tablet
The native edge of a knife is cut, inside is wide face knife spine.
3. a kind of inner bearing type enlarged footing anchor structure according to claim 1, it is characterised in that: the jacking bore is equal to
Expand pipe outside diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821644164.8U CN208844560U (en) | 2018-10-10 | 2018-10-10 | A kind of inner bearing type enlarged footing anchor structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821644164.8U CN208844560U (en) | 2018-10-10 | 2018-10-10 | A kind of inner bearing type enlarged footing anchor structure |
Publications (1)
Publication Number | Publication Date |
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CN208844560U true CN208844560U (en) | 2019-05-10 |
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CN201821644164.8U Active CN208844560U (en) | 2018-10-10 | 2018-10-10 | A kind of inner bearing type enlarged footing anchor structure |
Country Status (1)
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CN (1) | CN208844560U (en) |
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2018
- 2018-10-10 CN CN201821644164.8U patent/CN208844560U/en active Active
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