CN204475321U - A kind of main muscle Recyclable anchor rope - Google Patents
A kind of main muscle Recyclable anchor rope Download PDFInfo
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- CN204475321U CN204475321U CN201520023752.XU CN201520023752U CN204475321U CN 204475321 U CN204475321 U CN 204475321U CN 201520023752 U CN201520023752 U CN 201520023752U CN 204475321 U CN204475321 U CN 204475321U
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- anchor head
- anchor
- intermediate plate
- spring
- main muscle
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Abstract
The utility model discloses a kind of main muscle Recyclable anchor rope, comprise anchor head, working cable, plastic bushing, described anchor head is made up of shell and loaded plate, inner space is divided into cavity one and cavity two by the pretension pressing plate arranged in the two space surrounded, anchor head base, intermediate plate is provided with in anchor head cavity two, the below of anchor head base is connected with spring one, loaded plate is provided with spring accumulator tank, package header is provided with stopper slot, the lower end of anchor head base is provided with retention device, and working cable is locked on anchor head base by intermediate plate through loaded plate and spring one.The utility model reasonable in design, by intermediate plate and the anchor head base of setting, anchor head can be realized in the course of the work to the clamping of working cable (main muscle), and after anchor cable completes a protective function, working cable from rock, the soil body by pull out, thus can complete the recovery of main muscle, reduces the pollution on periphery underground environment and impact, the anchor cable of this kind of structure, removal process is convenient and swift.
Description
Technical field
the utility model relates to building field, is specifically related to a kind of main muscle Recyclable anchor rope.
Background technology
Since the beginning of the nineties, China brings into use cable bolting technology in urban architecture deep foundation ditch and slope reinforcement, the stressed difference of anchor cable and soil nailing, the grouting of the pulling force that soil nailing generally bears less and total length, soil nailing along its length pulling force presents broad in the middle, the feature that two is little.And anchor cable is often through the free segment arranging certain length at near-end, stablize in rock-soil layer at far-end and arrange anchoring section to provide larger uplift resistance, the general length of anchor cable is longer, and uplift resistance is directly delivered to far-end is stablized in rock-soil layer by steel strand (main muscle), anchor head.Because anchor cable construction is convenient, cheap, be widely used in urban architecture deep foundation ditch.But the anchorage cable materials such as a large amount of reinforcing bars, steel strand are for good and all embedded in underground, cause larger difficulty to the foundation construction of surrounding successive projects.So developed country such as Germany and Japan recognize its harmfulness very early, the long-pending callable anchor cable that begins one's study to the utmost, as DYWIDAY removable anchor (Germany), JCE removable anchor (Japan).
China Patent Publication No. CN200964593Y discloses a kind of removable anchor, it comprises bearing plate, supporting body, steel strand, the bottom of bearing plate is provided with isolation channel in one week, the top of bearing plate is provided with an arc groove, the bearing plate of arc groove both sides respectively arranges a location-plate, the middle part of bearing plate bottom surface is provided with locating slot, supporting body is made up of one group of reinforcing bar and steel loop, reinforcing bar is evenly arranged and is welded and fixed inside steel loop, the front end of reinforcing bar is positioned at locating slot, and be welded and fixed with bearing plate, steel strand are positioned at the arc groove at bearing plate top in its front end of " U " type, steel strand both sides are positioned at the isolation channel bottom bearing plate.These technology steel strand need to arrange in pairs, by stretch-draw steel strand wherein, its arc groove walking around anchor head place are drawn out of during recovery, and because arc groove radius of curvature is less, steel strand tension dials rear distortion comparatively greatly, and pulling capacity is larger.
China Patent Publication No. CN203684220U discloses a kind of callable anchor structure, comprises positioning seat, intermediate plate and guiding cap, and positioning seat top is provided with installing hole, and intermediate plate is installed at installing hole place, the center steel strand of intermediate plate; Intermediate plate tapering is comparatively large, and when steel strand are strained under external force, intermediate plate is clamped on positioning seat, after tension of steel strand is cancelled, and intermediate plate Automatic-falling.This technical pattern is simple, but anchor head place intermediate plate very easily Automatic-falling in installation process; The more important thing is its space that intermediate plate does not come off when reclaiming structure.
The JCE of Japan reclaims anchor cable and U-shaped recovery anchor cable, and the former is provided with recovery line, but complex structure, cost is high, and anchor head is longer.The latter needs to arrange steel strand in pairs, and when reclaiming, the extruding force that steel strand are subject to is comparatively large, and moderate finite deformation occurs for self, reclaims pulling force larger.
Utility model content
firm in structure when technical problem to be solved in the utility model is to provide a kind of work, using state is stablized, the removable anchor cable of main muscle easily got loose after completing function.For this reason, the utility model provides following technical scheme.
The utility model is a kind of main muscle Recyclable anchor rope, comprise anchor head, working cable, be socketed the plastic bushing be arranged on working cable, plastic bushing is evenly provided with plastic centering bracket, anchor head comprises shell, shell is fixedly installed on loaded plate, loaded plate is also welded with guide pipe pedestal and traction guide pipe, being provided with in described shell can the anchor head base of unidirectional slip along outer casing inner wall, intermediate plate, spring one, stopping device, spring one is equipped with between anchor head base and loaded plate, enclosure is separated into cavity one and cavity two, described working cable can be two, three or more, working cable is through loaded plate and spring one, be locked on anchor head base by intermediate plate, the tail end socket of intermediate plate is provided with spring two, the pretension pressing plate that the end face of intermediate plate is arranged on anchor head inside is pressed on anchor head base, described pretension pressing plate is fixed by the positioning strip being arranged on casing cover cover inwall.The stopper slot that stopping device comprises the round pin be arranged on anchor head base, spring three and is arranged on package header inwall.
By above technical scheme, when the utility model uses, first to loosen the soil body by three leaf bit drills, then the cyclone nozzle of jet grouting anchor rod machine is stuck on anchor head guide pipe pedestal and traction guide pipe, jet grouting enlarged footing and anchoring body is formed by starting rotary jet grouting in anchor head band hand-hole and at desired depth place, when after the intensity that anchoring body reaches certain, start away from anchor head outer end stretch-draw working cable.In the process of stretch-draw working cable, anchor head base starts to move to loaded plate, and spring one is recompressed slightly, and last spring one is pressed in spring accumulator tank, due to the relative displacement of anchor head base, produces the space of cavity two between its end face and pretension pressing plate.Now, anchor head base and loaded plate close contact, be delivered to working cable pulling force on jet grouting enlarged footing and anchoring body by anchor head base and loaded plate and obtain larger anchored force.
When anchor cable goes out of use after the protective function completing anchor cable, the recovery operation of main muscle now can be carried out.First by the stretching force removal on working cable (main muscle) during recovery, owing to not having pulling force effect, intermediate plate has the trend of unclamping, and can return back in the space of cavity two, working cable is released, can be extracted out by main muscle from the outside.
Anchor head shell of the present utility model is divided into casing cover to overlap and the mutual grafting of package header two parts.Package header is fixed on loaded plate, loaded plate is provided with spring accumulator tank, and pretension pressing plate positioning strip is fixed in casing cover cover.Because casing cover cover and package header two parts are mutual grafting, casing cover cover and pretension pressing plate can move up and down along package header outer wall, can ensure that pretension pressing plate can hold out against intermediate plate top.Working cable is connected with anchor head by intermediate plate, require that intermediate plate can clamp working cable tightly, so intermediate plate is designed to the round table-like at least two pieces of halfbodies in gap that have and is put together in loading process, working cable passes from centre, and intermediate throughholes is provided with zigzag and sets one's teeth on edge line.In working cable tension process, along with the increase of pulling force, because intermediate plate has tapering, the chucking power of working cable is strengthened further.Again because clip-tough is higher, zigzag is set one's teeth on edge in line embedding working cable, firmly clamps working cable.
In anchor cable transport and installation process, due to working cable not having pulling force, intermediate plate tapering is comparatively large again, easilier gets loose from ground tackle base.Anchor head applies a pretightning force first in the assembled process of factory intermediate plate and working cable, intermediate plate inner tooth thread is made to nip in working cable, then hold out against intermediate plate top with casing cover cover and pretension pressing plate, to be pressed in package header together with ground tackle base and to fix with package header outer wall.Spring one now in package header is partially compressed, and the screen resilience of generation can hold out against intermediate plate and not get loose, to ensure the globality of anchor head in transport, installation process.When anchor cable installation in position and after reaching curing requirements, can at outer end stretch-draw working cable, in the process of stretch-draw, spring one is recompressed slightly, working cable maintains certain pulling force all the time, working cable and intermediate plate are not got loose, until anchor head base and loaded plate close contact, be locked in space enclosing structure with common ground tackle in outer end after reaching predetermined stretching force.In working cable stretching process, anchor head base is pulled to and loaded plate close contact, and spring one is pressed in spring accumulator tank, and cavity two space reaches maximum.When needs reclaim, the load on working cable is laid down, and anchor head base has the requirement of rollback, and now spring round pin and stopper slot limit the further rollback of anchor head base, to ensure the space of cavity two, and space intermediate plate being possessed come off.After the pulling force on working cable is by removal, intermediate plate has the trend of unclamping, and further unclamps effect to reach, and intermediate plate top is also provided with spring two, can the elastic force of spring two be utilized to unclamp intermediate plate further after working cable unloading.
In order to ensure that intermediate plate can more easily get loose when main muscle reclaims, and all takes rust preventing to the contact surface of intermediate plate and anchor head base further, antirust coat is set in case both corrosions together.In addition, further can also get loose by making Suo Shixian outside bumper when reclaiming.
The utility model reasonable in design, simple, by intermediate plate and the anchor head base of setting, intermediate plate can be realized in the course of the work to the clamping of working cable, and after anchor cable completes protective function, intermediate plate energy rollback unclamps, working cable can from rock, the soil body, pull be out by root, thus complete the recovery of main muscle, reduce the pollution on periphery underground environment and impact, the anchor cable of this kind of structure, removal process is convenient and swift.
Accompanying drawing explanation
Fig. 1 is using state schematic diagram of the present utility model;
Fig. 2 is anchor head internal sectional structure schematic diagram;
Fig. 3 is the sectional structure schematic diagram after Fig. 2 applies pulling force;
Fig. 4 is the cross section view of anchor head base when filling four groups of intermediate plates;
Fig. 5 is the cross section view of anchor head base when filling three groups of intermediate plates;
Fig. 6 is the cross section view of anchor head base when filling two groups of intermediate plates;
Fig. 7 is anchor head shell mechanism schematic diagram;
Fig. 8 is pretension pressure plate structure schematic diagram;
Fig. 9 is intermediate plate sectional structure chart;
Figure 10 is structural representation plastic bushing installed to medium-height trestle;
Figure 11 is round pin structural representation;
Figure 12 is the A-A section of Figure 11;
In figure: 1-anchor head, 2-working cable, 3-plastic bushing, 4-shell, 5-loaded plate, 6-anchor head base, 7-intermediate plate, 8-spring one, 9-cavity one, 10-cavity two, 11-casing cover cover, 12-package header, 13-spring accumulator tank, 14-spring two, 15-round pin, 16-spring three, 17-stopper slot, 18-to medium-height trestle, 19-mouthpiece, 20-pretension pressing plate, 21-positioning strip, 22-draws guide pipe, 23-guide pipe pedestal, 24-jet grouting enlarged footing, 25-anchoring body.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail, and provides detailed description of the invention.
As shown in figs. 1-12, the utility model comprises anchor head 1, working cable 2, is socketed the plastic bushing 3 be arranged on outside working cable, plastic bushing is evenly provided with plastic centering bracket 18, working cable 2 is steel strand or reinforcing bar, anchor head 1 comprises the shell 4 be made up of casing cover cover 11 and package header 12, package header and casing cover overlap grafting and arrange, package header 12 is fixedly installed on loaded plate 5, loaded plate is also welded with guide pipe pedestal 23 and traction guide pipe 22, the mouthpiece 19 loaded plate being provided with spring accumulator tank 13 and being connected with plastic bushing 3.Being provided with in shell 4 can along the anchor head base 6 of the unidirectional slip of outer casing inner wall, round table-like intermediate plate 7, spring 1, stopping device, anchor head base can be installed many group intermediate plates and working cable, spring 1 is equipped with between anchor head base 6 and loaded plate 5, enclosure is separated into cavity 1 and cavity 2 10, working cable 2, through loaded plate 5 and spring 1, is locked on anchor head base 6 by intermediate plate 7.The stopper slot 17 that stopping device comprises the round pin 15 be arranged on anchor head base, spring 3 16 and is arranged on package header 12 inwall, this stopping device is for stoping the rollback of anchor head base 6.
The concrete structure of round table-like intermediate plate 7 is have two of gap pieces to be put together with upper semi-body, and through hole is established in centre, inside establishes zigzag to set one's teeth on edge line.The tail end socket of intermediate plate 7 is provided with spring 2 14, and intermediate plate end face is pushed down by pretension pressing plate 20 and held out against.The contact surface of intermediate plate 7 and anchor head base 6 is provided with antirust coat.
Package header 12, when assembled, be first fixed on loaded plate 5, spring 1 is put into package header 12, then, be pressed in package header 12 by anchor head base 6 by the utility model.Working cable 2, through loaded plate 5, spring 1 and anchor head base 6, is clamped on anchor head base 6 with intermediate plate 7.For preventing intermediate plate from unclamping, with pretension pressing plate 20 and casing cover cover 11, intermediate plate 7 being fixed, because now spring 1 receives Partial shrinkage, firmly can holding out against intermediate plate 7 and pretension pressing plate 20, preventing it from unclamping in transport and installation process.Working cable 2 extends to outer end through mouthpiece 19 and plastic bushing 3.
Anchor cable sets the construction process for jet grouting anchor rod adopting present extensive use, after excavation slope digs out work plane, first in the soil body, bores the oblique hole of certain diameters to predetermined length with three leaves, and brill loosens the soil rod pulling and drill bit after body.The cyclone nozzle of jet grouting anchor rod machine is stuck on anchor head guide pipe pedestal and traction guide pipe, by drilling rod the utility model brought in the hole of boring pine, to anchoring section position, drill rod end shower nozzle starts high pressure jet grouting, carry out the churning of cutting soil limit, limit by high-pressure slip-casting to advance, constantly push the utility model to desired depth.Cement-soil anchoring body 25 and jet grouting enlarged footing 24 is formed by construction process for jet grouting anchor rod.The uplift resistance size that can provide as required arranges multiple anchor head and jet grouting enlarged footing.
After cement-soil anchoring body reaches desired strength, start with jack away from anchor head 1 outer end stretch-draw working cable 2.Now, working cable 2 is clamped on anchor head base 6 by intermediate plate 7, is recompressed slightly at the effect lower spring 1 of stretching force, anchor head base 6 moves to loaded plate 5, due to the elastic force of spring 1, working cable 2 remains certain pulling force, can prevent intermediate plate 7 from getting loose in anchor head base moving process.After being pulled to certain displacement, round pin 15 snaps in stopper slot 17 under the effect of spring 3 16, and now, anchor head base 6 fully contacts with loaded plate 5, and anchor head base 6 and intermediate plate 7 end face are separated with pretension pressing plate 20, produce the space of anchor head cavity 2 10.Spring 1 is pressed in spring accumulator tank 13, and the stretching force of working cable 2 is delivered on jet grouting enlarged footing 24 and anchoring body 25 by loaded plate 5 and obtains larger uplift resistance.
When anchor cable completes after its Support Function goes out of use, recovery operation can be carried out.Elder generation is in outside by the pulling force removal on working cable, and now, anchor head base 6 rollback under the effect of spring 1, round pin 15 is stuck in stopper slot 17, limits its further rollback, to ensure the space of anchor head cavity 2 10.Because working cable 2 does not contact with outer anchor 25, there is no adhesion stress; Tapering again due to intermediate plate 7 is comparatively large, has exceeded its angle of lock.When after working cable 2 pulling force removal, intermediate plate 7 has the trend of unclamping, now, the screen resilience of spring 2 14 is also conducive to unclamping of intermediate plate 7, can, again by making rope 2 outside bumper, make intermediate plate 7 rollback in anchor head cavity 2 10 simultaneously, intermediate plate separately, unclamped the clamping to working cable 2, working cable 2 can be drawn out of from plastic bushing 3, completes the recovery of main muscle.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (8)
1. a main muscle Recyclable anchor rope, comprise anchor head (1), working cable (2), socket is arranged on working cable (2) plastic bushing outward (3), it is characterized in that described anchor head (1) comprises shell (4), shell (4) is fixedly installed on loaded plate (5), being provided with in described shell can the anchor head base (6) of unidirectional slip along outer casing inner wall, intermediate plate (7), spring one (8), stopping device, spring one (8) is equipped with between anchor head base (6) and loaded plate (5), enclosure is separated into cavity one (9) and cavity two (10), described working cable (2) is locked on anchor head base (6) by intermediate plate (7) through loaded plate (5) and spring one (8).
2. the main muscle Recyclable anchor rope of one according to claim 1, it is characterized in that described shell (4) is made up of casing cover cover (11) and package header (12), described package header (12) and casing cover cover (11) grafting are arranged, and described loaded plate (5) are provided with spring accumulator tank (13).
3. the main muscle Recyclable anchor rope of one according to claim 1, is characterized in that described intermediate plate (7) is in round table-like, and for there being at least two pieces of halfbodies in gap to be put together, through hole is established in centre, inside establishes zigzag to set one's teeth on edge line.
4. the main muscle Recyclable anchor rope of one according to claim 1, is characterized in that the stopper slot (17) that described stopping device comprises the round pin (15) be arranged on anchor head base (6), spring three (16) and is arranged on package header (12) inwall.
5. the main muscle Recyclable anchor rope of one according to claim 1, is characterized in that described plastic bushing (3) is evenly provided with plastic centering bracket (18).
6. the main muscle Recyclable anchor rope of the one according to claim 1 or 3, it is characterized in that the tail end socket of intermediate plate (7) is provided with spring two (14), the pretension pressing plate (20) that the end face of described intermediate plate (7) is fixed on casing cover cover (11) inwall is pressed on anchor head base, and described pretension pressing plate is fixed by the positioning strip (21) being arranged on anchor head inside.
7. the main muscle Recyclable anchor rope of one according to claim 1, is characterized in that the contact surface of described intermediate plate (7) and anchor head base (6) is provided with antirust coat.
8. the main muscle Recyclable anchor rope of one according to claim 1, is characterized in that described loaded plate (5) being also welded with traction guide pipe and guide pipe pedestal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023752.XU CN204475321U (en) | 2015-01-14 | 2015-01-14 | A kind of main muscle Recyclable anchor rope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023752.XU CN204475321U (en) | 2015-01-14 | 2015-01-14 | A kind of main muscle Recyclable anchor rope |
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| CN204475321U true CN204475321U (en) | 2015-07-15 |
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| CN201520023752.XU Active CN204475321U (en) | 2015-01-14 | 2015-01-14 | A kind of main muscle Recyclable anchor rope |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396741A (en) * | 2018-03-30 | 2018-08-14 | 重庆诺为生态环境工程有限公司 | A kind of stable soil body from anchor device |
| CN109914406A (en) * | 2019-04-08 | 2019-06-21 | 重庆大学 | The novel antiskid bearing pile of vertical anchor precompressed can be recycled in one kind |
| CN110410124A (en) * | 2019-08-21 | 2019-11-05 | 周艳君 | Anchoring process and anchorage element device can be recycled in one kind falling leaf formula |
| CN113882371A (en) * | 2021-10-22 | 2022-01-04 | 深圳市工勘岩土集团有限公司 | Anchor rod tensioning structure after anchor sealing |
| CN113882372A (en) * | 2021-10-22 | 2022-01-04 | 深圳市工勘岩土集团有限公司 | Anchor rod tensioning method after anchor sealing |
| CN114411724A (en) * | 2022-01-21 | 2022-04-29 | 浙江工业大学 | Load-holding and shock-absorbing device for anchor head of recyclable anchor rod |
-
2015
- 2015-01-14 CN CN201520023752.XU patent/CN204475321U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396741A (en) * | 2018-03-30 | 2018-08-14 | 重庆诺为生态环境工程有限公司 | A kind of stable soil body from anchor device |
| CN109914406A (en) * | 2019-04-08 | 2019-06-21 | 重庆大学 | The novel antiskid bearing pile of vertical anchor precompressed can be recycled in one kind |
| CN109914406B (en) * | 2019-04-08 | 2024-02-13 | 重庆大学 | Novel anti-slip bearing pile capable of recycling vertical anchor prepressing |
| CN110410124A (en) * | 2019-08-21 | 2019-11-05 | 周艳君 | Anchoring process and anchorage element device can be recycled in one kind falling leaf formula |
| CN113882371A (en) * | 2021-10-22 | 2022-01-04 | 深圳市工勘岩土集团有限公司 | Anchor rod tensioning structure after anchor sealing |
| CN113882372A (en) * | 2021-10-22 | 2022-01-04 | 深圳市工勘岩土集团有限公司 | Anchor rod tensioning method after anchor sealing |
| CN114411724A (en) * | 2022-01-21 | 2022-04-29 | 浙江工业大学 | Load-holding and shock-absorbing device for anchor head of recyclable anchor rod |
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