CN103452103A - Gripping type anchor with cores convenient to disassemble and method for recycling cores of gripping type anchor - Google Patents
Gripping type anchor with cores convenient to disassemble and method for recycling cores of gripping type anchor Download PDFInfo
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- CN103452103A CN103452103A CN2013100183101A CN201310018310A CN103452103A CN 103452103 A CN103452103 A CN 103452103A CN 2013100183101 A CN2013100183101 A CN 2013100183101A CN 201310018310 A CN201310018310 A CN 201310018310A CN 103452103 A CN103452103 A CN 103452103A
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- core
- gland
- anchor
- cores
- anchor slab
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Abstract
The invention discloses a gripping type anchor with cores convenient to disassemble. The gripping type anchor comprises an anchor plate, a fixing head and isolation sleeves; anchor holes are formed in the anchor plate; the fixing head is arranged on the lower side of the anchor plate; the outer diameter of the fixing head is larger than the inner diameter of each anchor hole; through holes are formed in the fixing head; the cores penetrate the through holes of the fixing head and then penetrate the anchor holes during usage; the cores are nested in the isolation sleeves used for isolating the cores from concrete on the outer sides of the cores; an electric heating device is arranged on the anchor plate or the fixing head; the anchor plate or the fixing head is made of fusible materials, and can be softened or fused when the electric heating device realizes a heating effect. A method for recycling the cores of the gripping type anchor with the cores convenient to disassemble includes steps of firstly, electrifying a conducting wire to enable the electric heating device to realize the heating effect until the anchor plate or the fixing head is softened or fused; secondly, pulling out the cores. The gripping type anchor with the cores convenient to disassemble and the method have the advantages that the gripping type anchor is simple and practical in structure, and the method is simple and can be implemented conveniently.
Description
Technical field
The present invention relates to a kind of being applied in geotechnical engineering foundation ditch and slope retaining, can conveniently realize reclaiming the formula that the bonds ground tackle that can conveniently tear core open and the core recovery method thereof of core.
Background technology
Along with the propelling of urbanization process, the construction of the underground installations such as underground parking, underground tunnel, subterranean commercial area, underground railway need to be carried out foundation ditch and slope retaining.
In prior art, as castinplace pile, anchor pole and soil nailing are widely used in geotechnical engineering, core raw material as main bearing member is steel, as reinforcing bar, steel pipe, steel strand, wire rope, for reinforcing foundation ditch and side slope, obtained extraordinary result of use, but the steel of application are all disposable uses usually, and use rear core and all be retained in soil layer, not only waste material, also to adjacent structure, construction forms obstacle.As the rock-bolt length of common employing substantially all reaches 20-30 rice, soil nailing reaches 8-15 rice, according to prior art, is difficult to it is reclaimed.In considerable case history, adjacent structure because the impact of anchor pole, soil nailing has to take special working measure, is processed difficulty and the expense of underground obstacle in follow-up construction while greatly having increased exploitation.For this reason, in the urgent need to exploitation, the present invention relates to a kind of formula that bonds ground tackle and the core recovery method thereof that can conveniently tear core open, not only facilitate core to reclaim, and, in foundation ditch and slope retaining process, can not affect supporting performance.
Summary of the invention
Technical problem for above-mentioned existence the objective of the invention is: proposed the present invention relates to a kind of being applied in geotechnical engineering foundation ditch and slope retaining, can conveniently realize reclaiming the formula that the bonds ground tackle that can conveniently tear core open and the core recovery method thereof of core.
For achieving the above object, the technical solution used in the present invention is: a kind of formula that the bonds ground tackle that can conveniently tear core open comprises anchor slab, gland, disrance sleeve; Be provided with anchor hole on described anchor slab; Described gland is arranged on the below of anchor slab; The external diameter of described gland is greater than the internal diameter of anchor hole; Be provided with through hole on described gland; During use, core is through passing anchor hole after the through hole of gland again; Described disrance sleeve entangles core, in order to the concrete isolation by core and its outside; When pulling core, gland can be fixed on an end of core on anchor slab; Be provided with electric heater unit on described anchor slab or gland; Described anchor slab or gland are made by fusible material, and when electric heater unit heats, described anchor slab or gland can be softened or melt.
Preferably, the described formula that the bonds ground tackle that can conveniently tear core open, also comprise wire, and described wire is electrically connected to electric heater unit.
Preferably, the described formula that the bonds ground tackle of conveniently tearing core open, described wire is arranged in disrance sleeve, to prevent wire, is scratched.
Preferably, described anchor slab or gland are made by epoxy resin or plastics or wax or nylon.
Preferably, the recovery method of the core of the described formula that the bonds ground tackle that can conveniently tear core open comprises following steps:
One, utilize the wire energising to make the electric heater unit heating, until anchor slab or gland are softening or fusing;
Two, extract core.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The formula that the bonds ground tackle that can conveniently tear core open of the present invention, in foundation ditch and slope retaining process, can not affect supporting performance; Simultaneously, when needs reclaim, can utilize the wire energising to make the electric heater unit heating, can make anchor slab or gland soften or fusing, reduce or remove and understand except the effect of contraction between core and gland, thereby reaching the purpose that conveniently reclaims core; The formula that the bonds anchor device structure that can conveniently tear core open of the present invention is simple, practical, and its core recovery method is simple, and it is convenient to implement.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the schematic diagram of the first embodiment of the formula that the bonds ground tackle that can conveniently tear core open of the present invention;
Accompanying drawing 2 is the application state schematic diagram of the first embodiment of the formula that the bonds ground tackle that can conveniently tear core open of the present invention;
Accompanying drawing 3 is the recovery view of the first embodiment of the formula that the bonds ground tackle that can conveniently tear core open of the present invention;
Accompanying drawing 4 is the schematic diagram of the second embodiment of the formula that the bonds ground tackle that can conveniently tear core open of the present invention;
Accompanying drawing 5 is the application state schematic diagram of the second embodiment of the formula that the bonds ground tackle that can conveniently tear core open of the present invention;
Accompanying drawing 6 is the recovery view of the second embodiment of the formula that the bonds ground tackle that can conveniently tear core open of the present invention;
Wherein: 1, anchor slab; 2, gland; 3, core; 4, wire; 5, anchor hole; 6, disrance sleeve; 7, electric heater unit; 8, through hole.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Embodiment mono-:
As accompanying drawing 1-3 is depicted as a kind of formula that the bonds ground tackle that can conveniently tear core open of the present invention, comprise anchor slab 1, gland 2, disrance sleeve 6; Be provided with anchor hole 5 on described anchor slab 1; Described gland 2 is arranged on the below of anchor slab 1; The external diameter of described gland 2 is greater than the internal diameter of anchor hole 5; Be provided with through hole 8 on described gland 2; During use, core 3 is through passing anchor hole 5 after the through hole 8 of gland 2 again; Described disrance sleeve 6 entangles core 3, in order to the concrete isolation with its outside by core 3; Described disrance sleeve 6 can wrap up each core 3 separately, also a plurality of cores 3 can be wrapped up together; Reach by gland 2 and the extruding of anchor slab 1 purpose that prevents that core 3 is pulled out when core 3 under tension; Described anchor slab 1 is made by fusible material, as epoxy resin or plastics or wax or nylon are made; Described core 3 can be steel strand or steel pipe or reinforcing bar or wire rope; In the present embodiment, the electric heater unit 7 that contains the annular be connected with wire 4 in anchor slab 1, certainly, described electric heater unit 7 can be also other shapes or type, as S shape resistance wire, electrical bar, described electric heater unit 7 is positioned at inside or the external surface of anchor slab 1; When electric heater unit 7 heating, described anchor slab 1 can soften or melt; Described wire 4 is isolated sleeve pipe 6 parcels, to prevent wire, is scratched.
When only having a core 3, described disrance sleeve 6 entangles core 3, in order to the concrete isolation with its outside by core 3.
As shown in Figure 2, be provided with anchor hole 5 in anchor slab 1, described gland 2 tightly wraps core 3, reach by gland 2 and the extruding of anchor slab 1 purpose that prevents that core 3 is pulled out when core 3 under tension, the pulling force that core 3 bears is delivered in concrete by anchor slab 1, to reach the effect of supporting foundation pit, core 3 is separated by disrance sleeve 6 and concrete, to facilitate the recovery of core 3.As shown in Figure 3, when the supporting purpose reaches, in the time of need to from the concrete of the foundation ditch outside, taking out core 3, first to wire 4 energisings, make electric heater unit 7 heatings that comprise in anchor slab 1, make anchor slab 1 deliquescing or fusing, removed the effect of contraction of 2 pairs of cores 3 of gland, now, the recycling professional tool, extract core 3 as jack, can realize the light recovery to core 3, thereby reach the convenient purpose that reclaims core 3.
Embodiment bis-:
As Fig. 4-6 are depicted as the formula that the bonds ground tackle that another kind of the present invention can conveniently be torn core open, comprise anchor slab 1, gland 2, disrance sleeve 6; Be provided with anchor hole 5 on described anchor slab 1; Described gland 2 is arranged on the below of anchor slab 1; The external diameter of described gland 2 is greater than the internal diameter of anchor hole 5; Be provided with through hole 8 on described gland 2; During use, core 3 is through passing anchor hole 5 again after the through hole 8 of gland 2, and described disrance sleeve 6 entangles core 3, in order to the concrete isolation with its outside by core 3; Described disrance sleeve 6 can wrap up each core 3 separately, also a plurality of cores 3 can be wrapped up together; Reach by gland 2 and the extruding of anchor slab 1 purpose that prevents that core 3 is pulled out when core 3 under tension; Described gland 2 is made by fusible material, as epoxy resin or plastics or wax or nylon are made; Described core 3 can be steel strand or steel pipe or reinforcing bar or wire rope; In the present embodiment, the electric heater unit 7 that contains the annular be connected with wire 4 in gland 2, certainly, described electric heater unit 7 can be also other shapes or type, as S shape resistance wire, electrical bar; Described electric heater unit 7 is positioned at inside or the external surface of gland 2; When electric heater unit 7 heating, described gland 2 can be softened or melt; Described wire 4 is isolated sleeve pipe 6 parcels, to prevent wire, is scratched.
As shown in Figure 5, be provided with anchor hole 5 in anchor slab 1, described gland 2 tightly wraps core 3, reach by gland 2 and the extruding of anchor slab 1 purpose that prevents that core 3 is pulled out when core 3 under tension, the pulling force that core 3 bears is delivered in concrete by anchor slab 1, to reach the effect of supporting foundation pit, core 3 is separated by disrance sleeve 6 and concrete, to facilitate the recovery of core 3.As shown in Figure 6, when the supporting purpose reaches, in the time of need to from the concrete of the foundation ditch outside, taking out core 3, first to wire 4 energisings, make electric heater unit 7 heatings that comprise in gland 2, make gland 2 deliquescing or fusing, removed the effect of contraction of 2 pairs of cores 3 of gland, now, the recycling professional tool, extract core 3 as jack, can realize the light recovery to core 3, thereby reach the convenient purpose that reclaims core 3.
The formula that the bonds ground tackle that can conveniently tear core open of the present invention, in foundation ditch and slope retaining process, can not affect supporting performance; Simultaneously, when needs reclaim, can utilize the wire energising to make the electric heater unit heating, can make anchor slab or gland soften or fusing, reduce or remove and understand except the effect of contraction between core and gland, thereby reaching the purpose that conveniently reclaims core; The formula that the bonds anchor device structure that can conveniently tear core open of the present invention is simple, practical, and its core recovery method is simple, and it is convenient to implement.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics; its purpose is to allow the person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. the formula that the bonds ground tackle that can conveniently tear core open, comprise anchor slab, gland, disrance sleeve; Be provided with anchor hole on described anchor slab; Described gland is arranged on the below of anchor slab; The external diameter of described gland is greater than the internal diameter of anchor hole; Be provided with through hole on described gland; It is characterized in that: during use, core is through passing anchor hole after the through hole of gland again; Described disrance sleeve entangles core, in order to the concrete isolation by core and its outside; When pulling core, gland can be fixed on an end of core on anchor slab; Be provided with electric heater unit on described anchor slab or gland; Described anchor slab or gland are made by fusible material, and when electric heater unit heats, described anchor slab or gland can be softened or melt.
2. the formula that the bonds ground tackle that can conveniently tear core open according to claim 1, it is characterized in that: also comprise wire, described wire is electrically connected to electric heater unit.
3. the formula that the bonds ground tackle that can conveniently tear core open according to claim 2, it is characterized in that: described wire is arranged in disrance sleeve, to prevent wire, is scratched.
4. the formula that the bonds ground tackle that can conveniently tear core open according to claim 1 is characterized in that: described anchor slab or gland are made by epoxy resin or plastics or wax or nylon.
5. according to the described core recovery method that can conveniently tear the formula that the bonds ground tackle of core open of one of the claims, comprise following steps:
One, utilize the wire energising to make the electric heater unit heating, until anchor slab or gland are softening or fusing;
Two, extract core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100183101A CN103452103A (en) | 2013-01-18 | 2013-01-18 | Gripping type anchor with cores convenient to disassemble and method for recycling cores of gripping type anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100183101A CN103452103A (en) | 2013-01-18 | 2013-01-18 | Gripping type anchor with cores convenient to disassemble and method for recycling cores of gripping type anchor |
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| Publication Number | Publication Date |
|---|---|
| CN103452103A true CN103452103A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100183101A Pending CN103452103A (en) | 2013-01-18 | 2013-01-18 | Gripping type anchor with cores convenient to disassemble and method for recycling cores of gripping type anchor |
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| CN (1) | CN103452103A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821143A (en) * | 2014-02-26 | 2014-05-28 | 钟景尧 | Total-recovery pre-stressed anchor rod and manufacturing method thereof |
| CN109162456A (en) * | 2018-08-07 | 2019-01-08 | 上海建工七建集团有限公司 | A kind of Split bolt sleeve structure, molding plate fixed structure and application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2709790B2 (en) * | 1993-12-10 | 1998-02-04 | 丸藤シートパイル株式会社 | Earth anchor fixing device |
| NL1015346C2 (en) * | 2000-05-31 | 2001-12-03 | Visser & Smit Bouw Bv | Removal method for free anchor length of grouted anchor sunk into the ground, involves heating free anchor length to form point of weakness |
| CN201460241U (en) * | 2009-07-09 | 2010-05-12 | 北京公科固桥技术有限公司 | Prestress high-strength steel mesh anchorage |
| CN101994316A (en) * | 2010-10-15 | 2011-03-30 | 张继红 | Recyclable composite anchor rod and construction method thereof |
| CN203174599U (en) * | 2013-01-18 | 2013-09-04 | 苏州市能工基础工程有限责任公司 | Holding and wrapping type anchoring tool with core convenient to detach |
-
2013
- 2013-01-18 CN CN2013100183101A patent/CN103452103A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2709790B2 (en) * | 1993-12-10 | 1998-02-04 | 丸藤シートパイル株式会社 | Earth anchor fixing device |
| NL1015346C2 (en) * | 2000-05-31 | 2001-12-03 | Visser & Smit Bouw Bv | Removal method for free anchor length of grouted anchor sunk into the ground, involves heating free anchor length to form point of weakness |
| CN201460241U (en) * | 2009-07-09 | 2010-05-12 | 北京公科固桥技术有限公司 | Prestress high-strength steel mesh anchorage |
| CN101994316A (en) * | 2010-10-15 | 2011-03-30 | 张继红 | Recyclable composite anchor rod and construction method thereof |
| CN203174599U (en) * | 2013-01-18 | 2013-09-04 | 苏州市能工基础工程有限责任公司 | Holding and wrapping type anchoring tool with core convenient to detach |
Non-Patent Citations (1)
| Title |
|---|
| 建筑行业职业技能培训教材编委会: "《钢筋工》", 31 January 2007 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821143A (en) * | 2014-02-26 | 2014-05-28 | 钟景尧 | Total-recovery pre-stressed anchor rod and manufacturing method thereof |
| CN103821143B (en) * | 2014-02-26 | 2016-01-20 | 钟景尧 | A kind of full recovery prestressed anchor and preparation method thereof |
| CN109162456A (en) * | 2018-08-07 | 2019-01-08 | 上海建工七建集团有限公司 | A kind of Split bolt sleeve structure, molding plate fixed structure and application method |
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| PB01 | Publication | ||
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Application publication date: 20131218 |