CN103981864B - A kind of detachable recovery type ground tackle and using method thereof - Google Patents
A kind of detachable recovery type ground tackle and using method thereof Download PDFInfo
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- CN103981864B CN103981864B CN201410221157.7A CN201410221157A CN103981864B CN 103981864 B CN103981864 B CN 103981864B CN 201410221157 A CN201410221157 A CN 201410221157A CN 103981864 B CN103981864 B CN 103981864B
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- anchor cable
- ground tackle
- connecting plate
- recovery type
- inner conical
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Abstract
The invention discloses a kind of recovery type ground tackle, comprise anchor cable, anchorage, be welded with rigidity inner conical drogue in the middle part of described anchorage, described inner conical drogue has a circular platform type cavity, described cavity top is provided with two relative frustums, and the position of cavity side between two frustums is provided with slot to make way; Described anchor cable is through described inner conical drogue, and at described two one connecting plates of each placement between frustum and anchor cable, described connecting plate exceeds described frustum; Described connecting plate has axially stacked plane bearing, spring successively along described anchor cable, and is locked on described inner conical drogue with lock sleeve; The part that described anchor cable grows described lock sleeve with described lock sleeve by the coated protection of a protective sleeve.Recovery type ground tackle of the present invention, have structure simple, convenient disassembly is feature efficiently, greatly reduces anchor cable cost and improves efficiency of construction.
Description
Technical field
The present invention relates to the enclosing Technique field of deep foundation ditch in building operations, particularly go along with sb. to guard him ground tackle and the using method thereof of the anchor cable of rear detachable recovery temporarily.
Background technology
Prestress anchoraging is used for the various civil engineerings of building foundation pit and ground base enforcement as a kind of technology, from the anchoring of the prestressed anchor at the beginning of last century to the fifties in last century, the Eum-Orthic Anthrosols of the seventies, develops into present Anchor Cable Technique.Anchor Cable Technique at home and abroad has a wide range of applications, and relates to road and rail, dark hole tunnel, civil defence, basement, geotechnical engineering slope treatment etc.Early stage common anchor cable, as after provisional going along with sb. to guard him, buries for a long time in underground together with built building, forms underground garbage, causes have a strong impact on the pile foundation construction, network of underground, subway work, excavation of foundation pit etc. in adjacent plot.
In the case, the detachable ground tackle reclaiming anchor cable arises at the historic moment.Existing U-shaped recoverable anchor device structure is complicated, uses inconvenience, particularly needing when reclaiming the time and efforts that cost is larger, have impact on construction speed.Therefore, one is needed more succinctly to dismantle ground tackle easily.
Summary of the invention
The problem that the present invention solves is to provide recovery type ground tackle, solves existing recyclable anchor device structure complicated, inconvenient problem with use.
For solving the problem, the technical solution used in the present invention is:
A kind of recovery type ground tackle, comprise anchor cable, anchorage, be welded with rigidity inner conical drogue in the middle part of described anchorage, described inner conical drogue has a circular platform type cavity, described cavity top is provided with two relative frustums, and the position of cavity side between two frustums is provided with slot to make way; Described anchor cable is through described inner conical drogue, and at described two one connecting plates of each placement between frustum and anchor cable, described connecting plate exceeds described frustum; Described connecting plate has axially stacked plane bearing, spring successively along described anchor cable, and is locked on described inner conical drogue with lock sleeve; The part that described anchor cable grows described lock sleeve with described lock sleeve by the coated protection of a protective sleeve.
Further, described connecting plate is 1/4 segment, and tapering is 15 degree, and its one side contacted with described cavity has lubricating layer, and the one side contacted with described anchor cable is then anti-slip veins.
Further, the drift angle of described cavity is 12 to 18 degree.
Further, described frustum exceeds described cavity top 5 millimeters.
Further, described frustum is equipped with guide and limit sheet, and described connecting plate is loaded in described guide and limit sheet.
Further, described guide and limit sheet two ends have pulls apart mouth, described in pull apart that mouth is dark is 0.2 to 0.3 millimeter.
Further, described protective sleeve offers oil filler point, and described oil filler point is sealed by screw.
Further, described inner conical drogue adopts alloy material to make, and Rockwell hardness is 48 to 50.
Further, described connecting plate is made up of alloy material, and Rockwell hardness is 58 to 60.
Compared with prior art, the advantage of technical solution of the present invention is:
By adopting connecting plate and slot to make way to cooperatively interact, make when stretch-draw anchor, connecting plate can provide enough frictional force to design load, locking anchor cable; And slot to make way makes when reclaiming anchor cable operation, when rotation anchor cable certain angle, connecting plate companion under the drive of anchor cable rotates to slot to make way, thus removes the locking to anchor cable, makes anchor cable only need simple artificial pull, can take out.Recovery type ground tackle of the present invention, have structure simple, feature easy to use, greatly reduces anchor cable cost and improves efficiency of construction.
Accompanying drawing explanation
Fig. 1 is recovery type ground tackle decomposing schematic representation described in the specific embodiment of the invention.
Fig. 2 is the combination schematic diagram of recovery type ground tackle described in the specific embodiment of the invention.
The A direction view that Fig. 3 is inner conical drogue described in the specific embodiment of the invention.
Fig. 4 is connecting plate schematic cross-section described in the specific embodiment of the invention.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Shown in composition graphs 1, Fig. 2 and Fig. 3, a kind of recovery type ground tackle, comprise anchor cable 1, anchorage 2, rigidity inner conical drogue 3 is welded with in the middle part of described anchorage 2, described inner conical drogue 3 has a circular platform type cavity 31, described cavity 31 top is provided with two relative frustums 32, and the position of cavity 31 side between two frustums 32 is provided with slot to make way 33; Described anchor cable 1 is through described inner conical drogue 3, and between described two frustums 32 and anchor cable 1, respectively place a connecting plate 4, described connecting plate 4 exceeds described frustum 32; Described connecting plate 4 has axially stacked plane bearing 6, spring 7 successively along described anchor cable 1, and is locked on described inner conical drogue 3 with lock sleeve 8; The part that described anchor cable 1 grows described lock sleeve 8 with described lock sleeve 8 by the coated protection of a protective sleeve 9; The size of described slot to make way 33 is being as the criterion by accommodating connecting plate 4.
Wherein, described anchor cable 1 is positioned at the employing plastic pipe 11 fit protection inside building.Described anchorage 2 opposite side is provided with one section of sleeve pipe 10, is convenient to fixing anchorage 2.
Wherein, described inner conical drogue 3 adopts alloy material to make, and Rockwell hardness is 48 to 50.The size of the drift angle a of described cavity is 12 to 18 degree, preferably 15 degree.
Wherein, described connecting plate 4 is 1/4 segment, and tapering is 15 degree, and described tapering refers to the angle b of described connecting plate 4 inner surface and external surface along its length, also namely keeps flat the above and below angle of rear connecting plate 4, as shown in Figure 4; The one side that described connecting plate 4 contacts with described cavity has lubricating layer, and the one side contacted with described anchor cable is then anti-slip veins 41.Described lubricating layer adopts coating or adherent fashion to be formed, and described lubricating layer material can select graphite or Teflon.Described connecting plate is made up of alloy material, and Rockwell hardness is 58 to 60.The lubricating layer of described connecting plate 4 effectively prevent in fastener cycle, and wearing and tearing in connecting plate 4 surface, and then kills with inner conical drogue 3, affects follow-up recovery operation.Meanwhile, being processed with anti-slip veins 41 at the another side of connecting plate 4, is then to better be engaged with anchor cable 1, ensureing the locking fastness to anchor cable 1.
The drift angle a angle of described inner conical drogue 3 and the angle b of described connecting plate 4 cooperatively interact, gradual degree of blocking is formed to anchor cable 1, make when straining anchor cable, anchor cable receives the coupling mechanism force coming from inner conical drogue and connecting plate and increases with tightening force and increase rapidly, ensures the fastness of anchor cable locking.Meanwhile, adopting larger than described inner conical drogue of connecting plate Rockwell hardness, is also to ensure that connecting plate can not be destroyed, and prevents connecting plate to be out of shape, and kills with anchor cable or inner conical drogue, affects follow-up recovery operation when straining.
Wherein, described frustum 32 exceeds described cavity top 5 millimeters.
Described frustum 32 is equipped with guide and limit sheet 5, and described connecting plate is loaded in described guide and limit sheet 5.Described guide and limit sheet 5 is that the broken line that a segmental arc and segmental arc two ends extend to form is formed, and its size just can be sleeved on described frustum 32, and described connecting plate then just can put into guide and limit sheet 5.Described guide and limit sheet 5 not only facilitates the installation of connecting plate, and effectively can fix the position of connecting plate, prevent connecting plate from carrying when anchor cable installs, construct drawing anchor cable time occur displacement lost efficacy.Only under certain revolving force effect, the broken line at guide and limit sheet 5 two ends disconnects, and connecting plate could be shifted by inner conical drogue relatively.Further, in order to ensure that guide and limit sheet 5 can rupture when applying certain revolving force to anchor cable, described guide and limit sheet 5 two ends have pulls apart mouth 51, described in pull apart that mouth is dark is 0.2 to 0.3 millimeter.
Described plane bearing 6 and spring 7, for compressing connecting plate 4.The setting of plane bearing 6, the rotational resistance that turn lock sleeve 8 is subject to reduces, and operates more easily simple.
Described protective sleeve 9 offers oil filler point 91, and described oil filler point 91 is sealed by screw.Described protective sleeve 9 by lock sleeve 8 and inner conical drogue 3 whole coated, avoid transport time be damaged; And when fixedly completing after anchor cable drawing, protective sleeve 9 by one end of anchor cable and lock sleeve 8, inner conical drogue 3 etc. coated, and inject antirust oil from oil filler point 91, the fastening position of anchor cable 1 be fully immersed in antirust oil, prevent from getting rusty; After filling antirust oil, oil filler point 91 screw sealing, blend compounds band seals.
Anchor cable described above, inner conical drogue, plane bearing, spring and lock sleeve, protective sleeve are all in same axis.
Recovery type ground tackle of the present invention, during use, is first inserted in protection tube (being generally plastic pipe) by anchor cable, and makes anchor cable one end through anchorage and rigidity inner conical drogue and expose about 150 millimeters, loads guide and limit sheet; Connecting plate being penetrated guide and limit sheet is inserted between anchor cable and inner conical drogue, evenly strikes tight connecting plate; Plane bearing, spring are inserted in anchor cable, plane bearing is made to be close to connecting plate, then to be coordinated with the external screw thread of described inner conical drogue by the internal thread of lock sleeve and screw lock sleeve, until anchor cable does not move (do not twist, do not slide) relative to inner conical drogue, namely anchor cable is tightly locked; Put protective sleeve, and fill it up with antirust oil, sealing.
During construction, underground is inserted in the anchor cable one end fixing ground tackle, then carries out once or twice slip casting.After cement paste reaches intensity, carry out stretch-draw in the other end outside of anchor cable, until lock anchor cable by exterior latch after reaching design value of thrust.
When anchor cable will be reclaimed, open exterior latch, beat anchor cable front end with instrument, and clamp anchor cable front end with fixture and rotate to an angle, until slot to make way fallen into by connecting plate, remove connecting plate to the locking of anchor cable; Then manually anchor cable is pulled out.
Recovery type ground tackle of the present invention, by adopting connecting plate and slot to make way to cooperatively interact, make when drawing anchor cable, connecting plate can provide enough frictional force, locking anchor cable; And slot to make way makes when reclaiming anchor cable operation, when rotating anchor cable certain angle, connecting plate companion under the drive of anchor cable rotates to slot to make way, thus removes the locking to anchor cable, makes anchor cable only need simple artificial pull, can take out.Recovery type ground tackle of the present invention, have structure simple, convenient disassembly is feature efficiently, greatly reduces and reclaims anchor cable cost and improve efficiency of construction.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (10)
1. a recovery type ground tackle, comprises anchor cable, anchorage, is welded with rigidity inner conical drogue in the middle part of described anchorage, it is characterized in that, described inner conical drogue has a circular platform type cavity, and described cavity top is provided with two relative frustums, and the position of cavity side between two frustums is provided with slot to make way; Described anchor cable is through described inner conical drogue, and at described two one connecting plates of each placement between frustum and anchor cable, described connecting plate exceeds described frustum; Described connecting plate has axially stacked plane bearing, spring successively along described anchor cable, and is locked on described inner conical drogue with lock sleeve; The part that described anchor cable grows described lock sleeve with described lock sleeve by the coated protection of a protective sleeve.
2. recovery type ground tackle according to claim 1, is characterized in that, described connecting plate is 1/4 segment, and tapering is 15 degree, and its one side contacted with described cavity has lubricating layer, and the one side contacted with described anchor cable is then anti-slip veins.
3. recovery type ground tackle according to claim 1, is characterized in that, the drift angle of described cavity is 12 to 18 degree.
4. recovery type ground tackle according to claim 1, is characterized in that, described frustum exceeds described cavity top 5 millimeters.
5. recovery type ground tackle according to claim 1, is characterized in that, described frustum is equipped with guide and limit sheet, and described connecting plate is loaded in described guide and limit sheet.
6. recovery type ground tackle according to claim 5, is characterized in that, described guide and limit sheet two ends have pulls apart mouth, described in pull apart that mouth is dark is 0.2 to 0.3 millimeter.
7. recovery type ground tackle according to claim 1, is characterized in that, described protective sleeve offers oil filler point, and described oil filler point is sealed by screw.
8. the recovery type ground tackle according to any one of claim 1 to 7, is characterized in that, described inner conical drogue adopts alloy material to make, and Rockwell hardness is 48 to 50.
9. the recovery type ground tackle according to any one of claim 1 to 7, is characterized in that, described connecting plate is made up of alloy material, and Rockwell hardness is 58 to 60.
10. a using method for the recovery type ground tackle described in any one of claim 1 to 7, is characterized in that, comprise following steps:
1) described anchor cable is assembled through anchorage and inner conical drogue;
2) open the oil filler point of protective sleeve, fill it up with antirust oil, with oil filler point blend compounds band sealing on screw lock;
3) tension equipment is adopted to apply to be greater than the pulling force of presetting insurance force value to the anchor cable of described ground tackle;
4), when reclaiming ground tackle, beat the anchor cable other end with instrument, and clamp this end with fixture and rotate to an angle, make connecting plate fall into slot to make way, unlock;
5) anchor cable is extracted out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221157.7A CN103981864B (en) | 2014-05-23 | 2014-05-23 | A kind of detachable recovery type ground tackle and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410221157.7A CN103981864B (en) | 2014-05-23 | 2014-05-23 | A kind of detachable recovery type ground tackle and using method thereof |
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| CN103981864A CN103981864A (en) | 2014-08-13 |
| CN103981864B true CN103981864B (en) | 2016-03-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104563108B (en) * | 2015-01-22 | 2017-01-25 | 兰州理工大学 | Recoverable steel anchor shaft with longitudinal ribs and crescent ribs and recovery method thereof |
| CN105499257B (en) * | 2016-01-05 | 2017-10-13 | 王维付 | A kind of production method of the recycling of waste and old radial direction TC bearings |
| CN106968246A (en) * | 2017-03-16 | 2017-07-21 | 长安大学 | A kind of composite anchorage for FRP muscle |
| CN107742854B (en) * | 2017-11-16 | 2023-11-03 | 国网浙江乐清市供电有限公司 | Tool for carrying out charged treatment on 10kV distribution line suspension garbage |
| CN108867637B (en) * | 2018-08-23 | 2023-08-08 | 厦门市金海明工贸有限公司 | Anchor device capable of recycling anchor cable, locking method thereof and anchor cable recycling method |
| CN109024583A (en) * | 2018-09-11 | 2018-12-18 | 厦门市金海明工贸有限公司 | A kind of anchorage of recoverable prestressed anchor cable |
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| JP2006169731A (en) * | 2004-12-13 | 2006-06-29 | Oriental Construction Co Ltd | Temporary anchorage device for pretensioned hollow girder transversely fastening prestressing steel, and anchoring method for the same |
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| CN103981864A (en) | 2014-08-13 |
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Inventor after: Huang Jinshi Inventor after: Li Ronghui Inventor before: Huang Jinshi |
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