CN201686986U - Pre-stressed anchor bar with detachable main bar - Google Patents
Pre-stressed anchor bar with detachable main bar Download PDFInfo
- Publication number
- CN201686986U CN201686986U CN201020164912XU CN201020164912U CN201686986U CN 201686986 U CN201686986 U CN 201686986U CN 201020164912X U CN201020164912X U CN 201020164912XU CN 201020164912 U CN201020164912 U CN 201020164912U CN 201686986 U CN201686986 U CN 201686986U
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- carrier head
- releasable
- main muscle
- bar
- muscle
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Abstract
The utility model discloses a pre-stressed anchor bar with a detachable main bar, which mainly comprises a steel stranded main bar, an anchorage device, an anchor backing plate, a sleeve, an injection pipe, an anchorage body and a bearing head. The steel stranded main bar and the bearing head are connected in a threaded detachable manner. The threaded detachable connection is characterized in that a radial extrusion thread bushing is fixed onto the main bar, and the radial extrusion thread bushing and the bearing head are connected in a threaded detachable manner. A steel strand is used as a stress bar, when the anchor bar is used, connection of the anchor bar and the bearing head in a threaded manner is canceled by rotating the steel strand in order to achieve the purpose of detaching the anchor bar main bar. The thread bushing adopts a radial extrusion structure, and the connection method has the advantages of reliable connection and high strength connection, thereby ensuring connection strength of the steel stranded main bar and the bearing head.
Description
Technical field
The utility model relates to a kind of anchor pole for building, particularly a kind of be used to complete the back main muscle releasable prestressed anchor.
Background technology
Prestressed anchor is widely used as the technical measures of slope reinforcement in the construction project, and some anchor pole is used for provisional reinforcing, and such as the bracing of foundation pit engineering, some is used for permanent reinforcing, such as the massif side slope.Be used for the interim anchor pole of reinforcing and mostly be bracing of foundation pit and use, when basement construction is finished, behind the backfilling of earthwork, anchor pole has just lost effect.Just discarded in underground after anchor pole is used to complete, hide in underground obstacle, the hidden danger of underground engineering construction after becoming thereby anchor pole has been become by nonvolatil.This characteristic of anchor pole has become one of major reason of abandoning using in the urban construction bracing of foundation pit engineering.For addressing this problem, the many anchor poles that can remove main muscle structure arise at the historic moment.
Summary of the invention
The purpose of this utility model is to provide a kind of soft stratum that is applicable to the coastal area for the deficiency that solves above-mentioned technology, be used for muddy soft soil, also can be separately have a reliable in quality, the uplift resistance height, remove main easily muscle releasable prestressed anchor what engineering properties be used in other soil layers relatively preferably.
In order to achieve the above object, the main muscle releasable prestressed anchor that the utility model is designed, mainly form, it is characterized in that between steel hinge line master muscle and carrier head shirking and be connected by screw thread by steel hinge line master muscle, ground tackle, anchor plate, sleeve pipe, Grouting Pipe, anchoring body and carrier head.Reach the purpose of anchoring or main muscle dismounting.Describedly shirk by screw thread that to connect be to be fixed with the radial compression thread bush on main muscle, shirk by screw thread between radial compression thread bush and the carrier head and be connected.Described radial compression thread bush is to be provided with the pressed end that is connected with steel hinge line master muscle radial compression in the both ends or one end of thread bush.In order to improve anchored force, outside carrier head, be provided with slurry capsule bag.Described carrier head is the carrier head that combines with the bamboo reinforcement cage of bamboo one-tenth with metal carrier head body.Can certainly be not have the bamboo reinforcement cage, the carrier head body that just is made of metal constitutes carrier head.At this, carrier head can be positioned in the slurry capsule bag by the suspension type centralising device.Described suspension type centralising device is in slurry capsule bag suspender belt to be set carrier head to be suspended on the center of starching in the capsule bag.
The utility model adopts steel hinge line as being advocated muscle, adopt " bamboo reinforcement cage carrier head ", the suffered load of prestressing force that anchor head applies and anchor pole is delivered on the bamboo reinforcement cage carrier head by steel hinge line master muscle, again by bamboo reinforcement cage carrier head with Load Transfer in the anchoring body and in the anchoring stratum.After anchor pole is used to complete, by rotating steel hinge line, withdraw from and being threaded of bamboo reinforcement cage carrier head, reach the purpose of removing anchor pole master muscle.
On the mucky soil stratum, the present invention can adopt setting " slurry capsule bag " and " suspension type centralising device " technology, guarantees that the carrier head center is consistent with the anchoring body center, thereby gives full play to the anchored force of anchor pole.
Steel hinge line and carrier head adopt and are threaded, and this is threaded also is the steel hinge line master muscle key of removing part in addition, and thread bush adopts " radial compression " structure, and this method of attachment has the characteristics reliable, that bonding strength is big that connect.
During use, steel hinge line master muscle is arranged in anchoring body one end, is connected by screw with carrier head, and the other end is anchored on beam or the plate by ground tackle; Overlap effective and isolation cement mortar and main muscle steel hinge line, winner's muscle can freely be stretched and rotate in anchor pole; Position, slip casting pore inner clear opening bottom is outwards injected the cement paste of injection at the bottom of the hole; Bamboo reinforcement cage carrier head is the part in addition that connects main muscle, anchoring body; The suspension type centralising device is suspended on the anchoring body center by making the flexible material on slurry capsule bag with bamboo reinforcement cage carrier head, steel hinge line master muscle.The radial compression thread bush adopts the extruding measure that thread bush and steel hinge line are linked together.
Description of drawings
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the local structure for amplifying schematic diagram of the B portion of Fig. 1;
Fig. 4 is that an end is provided with the thread bush example structure schematic diagram that is connected with steel hinge line master muscle radial compression;
Fig. 5 is the example structure schematic diagram that the utility model is not established slurry capsule bag.
Wherein: steel hinge line master muscle 01; Ground tackle 02; Anchor plate 03; Sleeve pipe 04; Grouting Pipe 05; Anchoring body 06; Slurry capsule bag 07; Carrier head 08; Muscle bamboo cage 09; Suspension type centralising device 10; Radial compression thread bush 11.
The specific embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment 1:
As Fig. 1, Fig. 2, shown in Figure 3, the main muscle releasable prestressed anchor that the utility model is designed, mainly form, it is characterized in that between steel hinge line master muscle 01 and carrier head 08, shirking or being connected by screw thread by steel hinge line master muscle 01, ground tackle 02, anchor plate 03, sleeve pipe 04, Grouting Pipe 05, anchoring body 06 and carrier head 08.Describedly shirk by screw thread that to connect be to connect by radial compression thread bush 11.Described radial compression thread bush 11 is to be provided with the pressed end that is connected with steel hinge line master muscle radial compression in the both ends or one end of thread bush.
Carrier head 08 described in the present embodiment is the carrier head body that is made of metal and carrier head with bamboo bamboo reinforcement cage 09 combination that becomes; Outside carrier head 08, also be provided with slurry capsule bag 07.
Described carrier head 08 can be positioned in the slurry capsule bag 07 by suspension type centralising device 10; described suspension type centralising device 10 can be in slurry capsule bag 07 suspender belt to be set carrier head 08 to be suspended on the center of starching in the capsule bag 07; certain described center also is comparatively speaking; have in practical operation and depart from the center, this also belongs to the protection domain of the art of this patent.
What present embodiment was described is in the anchor bolt construction, after having finished boring, inserting anchor bar body, by Grouting Pipe 05, inject the cement paste of some, make slurry capsule bag fully expand under the pressure that injects cement paste, slurry capsule bag hangs on anchoring body 06 center by suspension type centralising device 10 with carrier head 08 and main muscle 01.
After anchor bolt construction is finished, by stretch-draw machinery, steel hinge line master muscle 01 is applied prestressing force, prestressing force is through steel hinge line 01, radially thread-rolling screw cover in two ends is delivered to carrier head 08, be delivered in the anchoring body 06 by bamboo reinforcement cage 09 again, and anchor head is anchored on beam or the plate through ground tackle 02, anchor plate 03.The soil pressure that slope excavation produced acts on anchor head through stake, beam or plate, is delivered in the anchoring stratum through bamboo reinforcement cage 09, the anchoring body 06 of main muscle 01 on carrier head 08, carrier head 08.
After anchor pole is used to complete, shed ground tackle with stretch-draw machinery, because main muscle 01 steel hinge line and cement mortar are isolated by sleeve pipe 04, so main muscle 01 can freely rotate in sleeve pipe 04, making two ends radial compression thread bush 11 break away from carrier head 08 in main muscle 01 rotation is connected, extract main muscle steel hinge line 01 out, thereby reach the purpose of removing steel hinge line 01.
Embodiment 2:
Shown in Fig. 4 structure, present embodiment can be used for engineering properties relatively preferably in other stratum, need not to starch the capsule bag in the present embodiment, there is not the suspension type centralising device yet, owing to adopted the carrier head 08 of band bamboo reinforcement cage, after injecting cement paste, cement paste is to the buoyancy of the carrier head 08 of band bamboo reinforcement cage, make carrier head 08 in anchoring body, be in suspended state, thereby make carrier head be in the position at relative center, because embodiment 2 is used for engineering properties soil layer relatively preferably, so still can obtain better anchoring force.Other structures of present embodiment can be identical with embodiment 1.
Claims (9)
1. main muscle releasable prestressed anchor, mainly form, it is characterized in that between steel hinge line master muscle (01) and carrier head (08) shirking and be connected by screw thread by steel hinge line master muscle (01), ground tackle (02), anchor plate (03), sleeve pipe (04), Grouting Pipe (05), anchoring body (06) and carrier head (08).
2. main muscle releasable prestressed anchor according to claim 1, it is characterized in that describedly shirking by screw thread that to connect be to be fixed with radial compression thread bush (11) on main muscle (01), shirk by screw thread between radial compression thread bush (11) and the carrier head (08) and be connected.
3. main muscle releasable prestressed anchor according to claim 2 is characterized in that described radial compression thread bush (11) is to be provided with the pressed end that is connected with steel hinge line master muscle radial compression in the both ends or one end of thread bush.
4. according to claim 1 or 2 or 3 described main muscle releasable prestressed anchors, it is characterized in that outside carrier head (08), being provided with slurry capsule bag (07).
5. according to claim 1 or 2 or 3 described main muscle releasable prestressed anchors, it is characterized in that described carrier head (08) is the carrier head that combines with the bamboo reinforcement cage (09) of bamboo one-tenth with metal carrier head body.
6. main muscle releasable prestressed anchor according to claim 4 is characterized in that carrier head (08) is positioned in the slurry capsule bag (07) by suspension type centralising device (10).
7. main muscle releasable prestressed anchor according to claim 5 is characterized in that carrier head (08) is positioned in the slurry capsule bag (07) by suspension type centralising device (10).
8. main muscle releasable prestressed anchor according to claim 6 is characterized in that described suspension type centralising device (10) is suspender belt to be set carrier head (08) is suspended on the center of starching in the capsule bag (07) in slurry capsule bag (07).
9. main muscle releasable prestressed anchor according to claim 7 is characterized in that described suspension type centralising device (10) is suspender belt to be set carrier head (08) is suspended on the center of starching in the capsule bag (07) in slurry capsule bag (07).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020164912XU CN201686986U (en) | 2010-04-21 | 2010-04-21 | Pre-stressed anchor bar with detachable main bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020164912XU CN201686986U (en) | 2010-04-21 | 2010-04-21 | Pre-stressed anchor bar with detachable main bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201686986U true CN201686986U (en) | 2010-12-29 |
Family
ID=43375271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020164912XU Expired - Fee Related CN201686986U (en) | 2010-04-21 | 2010-04-21 | Pre-stressed anchor bar with detachable main bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201686986U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535753A (en) * | 2011-12-15 | 2012-07-04 | 中国建筑第二工程局有限公司 | Large-tonnage prestressed anchor coaxial positioning device and construction method thereof |
| CN103276732A (en) * | 2013-06-20 | 2013-09-04 | 河南省昊鼎建筑基础工程有限公司 | Pre-stressed anchor cable and inner anchoring supporting body thereof |
| CN103276733A (en) * | 2013-06-20 | 2013-09-04 | 河南省昊鼎建筑基础工程有限公司 | Tension and compression dispersing pre-stressed anchor cable |
| CN104018865A (en) * | 2014-06-25 | 2014-09-03 | 海南大学 | Bamboo reinforcement grouting anchor rod |
| CN104674807A (en) * | 2015-02-10 | 2015-06-03 | 成都绿迪科技有限公司 | Bearing head for anchor rod |
| CN104790394A (en) * | 2015-04-23 | 2015-07-22 | 万军利 | Pressure anchor cable structure with prefabricated anchor head and construction method of pressure anchor cable structure |
| CN105756059A (en) * | 2016-04-29 | 2016-07-13 | 武汉建工集团股份有限公司 | Back anchor type anti-floating anchor and construction method |
| CN106639159A (en) * | 2016-12-22 | 2017-05-10 | 中国核工业二四建设有限公司 | Positioning assembling device for prestress anchoring parts and method |
| CN113073643A (en) * | 2021-03-26 | 2021-07-06 | 吕英明 | Construction process of soft soil layer reaming anchor rod |
-
2010
- 2010-04-21 CN CN201020164912XU patent/CN201686986U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535753B (en) * | 2011-12-15 | 2014-04-09 | 中国建筑第二工程局有限公司 | Large-tonnage prestressed anchor coaxial positioning device and construction method thereof |
| CN102535753A (en) * | 2011-12-15 | 2012-07-04 | 中国建筑第二工程局有限公司 | Large-tonnage prestressed anchor coaxial positioning device and construction method thereof |
| CN103276732A (en) * | 2013-06-20 | 2013-09-04 | 河南省昊鼎建筑基础工程有限公司 | Pre-stressed anchor cable and inner anchoring supporting body thereof |
| CN103276733A (en) * | 2013-06-20 | 2013-09-04 | 河南省昊鼎建筑基础工程有限公司 | Tension and compression dispersing pre-stressed anchor cable |
| CN103276733B (en) * | 2013-06-20 | 2015-12-23 | 河南省昊鼎建筑基础工程有限公司 | A kind of tension and compression dispersion-type prestressed anchorage cable |
| CN103276732B (en) * | 2013-06-20 | 2016-01-20 | 河南省昊鼎建筑基础工程有限公司 | A kind of prestress anchorage cable and inner anchoring carrying body thereof |
| CN104018865B (en) * | 2014-06-25 | 2017-01-18 | 海南大学 | Bamboo reinforcement grouting anchor rod |
| CN104018865A (en) * | 2014-06-25 | 2014-09-03 | 海南大学 | Bamboo reinforcement grouting anchor rod |
| CN104674807A (en) * | 2015-02-10 | 2015-06-03 | 成都绿迪科技有限公司 | Bearing head for anchor rod |
| CN104790394A (en) * | 2015-04-23 | 2015-07-22 | 万军利 | Pressure anchor cable structure with prefabricated anchor head and construction method of pressure anchor cable structure |
| CN105756059A (en) * | 2016-04-29 | 2016-07-13 | 武汉建工集团股份有限公司 | Back anchor type anti-floating anchor and construction method |
| CN105756059B (en) * | 2016-04-29 | 2017-11-03 | 武汉建工集团股份有限公司 | A kind of rear anchor formula anti-float anchor rod and construction method |
| CN106639159A (en) * | 2016-12-22 | 2017-05-10 | 中国核工业二四建设有限公司 | Positioning assembling device for prestress anchoring parts and method |
| CN106639159B (en) * | 2016-12-22 | 2018-11-27 | 中国核工业二四建设有限公司 | A kind of positioning assembling device and method for prestressed anchor firmware |
| CN113073643A (en) * | 2021-03-26 | 2021-07-06 | 吕英明 | Construction process of soft soil layer reaming anchor rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20170421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |