CN103882865A - Removable ground anchor body using spring - Google Patents
Removable ground anchor body using spring Download PDFInfo
- Publication number
- CN103882865A CN103882865A CN201310088438.5A CN201310088438A CN103882865A CN 103882865 A CN103882865 A CN 103882865A CN 201310088438 A CN201310088438 A CN 201310088438A CN 103882865 A CN103882865 A CN 103882865A
- Authority
- CN
- China
- Prior art keywords
- main body
- spring
- wedge
- waterproof cover
- intermediate plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
- E02D5/808—Ground anchors anchored by using exclusively a bonding material
Abstract
The present invention relates to a removable ground anchor body using a spring, comprising: a water-sealed cap having a first thread formed in the upper side of the inner peripheral surface thereof and a second thread formed in the lower side of the inner peripheral surface thereof; a resilient guide part having a removing spring engaging with the first thread of the water-sealed cap so as to turn and a pressure spring working towards the outside; a body connected to the lower end of the removing spring of the resilient guide part so as to cooperate therewith, and having an insertion hole; a wedge connected to the lower end of the body so as to cooperate therewith; a head coupler engaging with the second thread of the water-sealed cap and having a guide slot formed lengthwise thereof for guiding the wedge; and a pc steel strand penetrating the guide slot of the head coupler with an end inserted into the insertion hole of the body and fixed by the wedge so as to cooperate therewith, the steel strand being snugly inserted in a coating hose.
Description
The cross reference of related application
The application is required on December 21st, 2012 to Department of Intellectual Property of Korea S to submit to, the priority of the korean patent application that sequence number is 10-f2012-150926, its by reference entirety be incorporated in this.
Technical field
The present invention relates to a kind of removable earth anchor main body that uses spring, more specifically, relate to a kind of removable earth anchor main body that uses spring, it is attached to the end of the bound fraction of steel strand (PC strand), wherein, thus described removable earth anchor main body use spring configure component count minimized by simplification, maintain safe connection status simultaneously, even during transportation maybe in the time applying external impact, and easily separate and remove described steel strand.
Background technology
Generally speaking, the four sides ruggedized construction connecting with steel strand supports safely such as building of cob wall etc., thereby the tension rail of boring a hole on the ground and have excellent tensile strength is inserted in hole together with anti-load main body with internal junction mixture, then by such as the grouting agent of concrete etc. injects wherein, thereby be fixed securely, it is by using combined outside agent to be fixed afterwards, apply a load to the free end of tension rail simultaneously, to guarantee firmly adhesion, wherein, four sides ruggedized construction has been widely used on building site, be used for keeping earth's surface (earth), thereby around avoiding in the time excavating the underground structure of building structure or civil engineering structure, ground collapses, or lose from fragile ground section for suppressing soil on building site.
Tension rail used in the ruggedized construction of four sides is manufactured with some prestressed reinforcements or by distortion steel wire, wherein, tension rail has excellent tensile strength, therefore when it is left on when underground, it becomes underground obstacle may develop contiguous soil afterwards time, produce the problem such as surface right etc.
In order to address the above problem, the internal junction mixture for removable earth anchor is disclosed, it can easily remove and be embedded in underground tension rail completing after construction work.
In conventional anchor main body as above, on cylindrical inner side, form inclined-plane, wherein roughly being divided into three and heart place is fixed with tension rail therein intermediate plate (wedge) is arranged on cylindrical inclined-plane, and in intermediate plate (wedge) rear end, elastomeric spring is set, thereby it is compressed forward, with avoid tension rail separated and disconnect.
But, according to the anchor main body according to related art, by compressive tension bar, the intermediate plate (wedge) being arranged in cylinder interior is retracted, and core is extended simultaneously, to remove tension rail, even but in the time that intermediate plate (wedge) is pulled, core is not fully expanded yet, even simultaneously in the time that intermediate plate (wedge) is pulled and core is extended, the spring being arranged on intermediate plate (wedge) rear end also constantly compresses intermediate plate (wedge), produce and removed the load of tension rail or not exclusively removing of intermediate plate (wedge).
And, during the steel strand of manufacturing in factory are transported to building site or are processed in construction activities, when the removable internal junction mixture of steel strand is applied to impact force, after can not easily remove tension rail.
In addition, the anchor main body wherein disconnecting due to external impact force can not be retightened, and therefore produces the obstruction to engineering progress.
Summary of the invention
An aspect of of the present present invention relates to provides a kind of removable earth anchor main body that uses spring, and it can separate and is attached to the steel strand of earth anchor main body and responds suitably by maximizing soil supporting force according to ground behavior.
Another aspect of the present invention relates to provides a kind of removable earth anchor main body that uses spring, in the time that anchor main body is transported or even can keep safe connection status in the time applying external impact force, thereby improves the reliability of product.
Another aspect of the present invention relates to provides a kind of removable earth anchor main body that uses spring, even can reconstruct anchor main body in the time that the connection of anchor main body separates.
Another aspect of the present invention relates to provides a kind of removable earth anchor main body that uses spring, and it can be simplified ruggedized construction and component count is minimized, and has reduced thus cost and has avoided losing efficacy.
According to one embodiment of present invention, use the removable earth anchor main body of spring to comprise: waterproof cover, the first screw thread forms on the upside of the inner circumferential surface of waterproof cover, and the second screw thread forms on the downside of the inner circumferential surface of waterproof cover; Elastic guide parts, thus it is provided with the spring that removes rotating together with the needing of the first thread connection of described waterproof cover and is outwards operated; Main body, it is attached to described in to be connected and removes spring and form insertion groove in its underpart; Be attached to the intermediate plate (wedge) of described lower body part to be connected; Anchor ring (head coupler), it is attached to the second screw thread of described waterproof cover and has the pilot hole of the described intermediate plate of guiding (wedge); And steel strand, its one end is assembled in the insertion groove of described main body, simultaneously through anchor ring (head coupler) thus pilot hole is connected with described main body, and described steel strand by the fixing while of described intermediate plate (wedge), it is pushed into and is coated in flexible pipe.
Accompanying drawing explanation
Above-mentioned and the other side of certain typical embodiment of the present invention, feature and advantage are more apparent in description taken together with the accompanying drawings below, wherein:
Fig. 1, for representing according to an embodiment of the invention, uses the phantom drawing of the coupled situation of the removable earth anchor main body of spring;
Fig. 2, for representing according to an embodiment of the invention, uses the perspective cutaway view of the removable earth anchor main body of spring;
Fig. 3, for representing according to an embodiment of the invention, uses the decomposition diagram of the removable earth anchor main body of spring;
Fig. 4 represents according to an embodiment of the invention, the perspective cutaway view of the removable earth anchor main body of the use spring being disconnected;
Fig. 5, for representing according to an embodiment of the invention, uses the sectional view of the waterproof cover of the removable earth anchor main body of spring;
Fig. 6, for representing according to an embodiment of the invention, uses the sectional view of the coupled situation of the intermediate plate (wedge) of the removable earth anchor main body of spring;
Fig. 7 represents according to embodiments of the invention, the sectional view of the off-state of the intermediate plate of removable earth anchor main body (wedge);
Fig. 8 represents according to an embodiment of the invention, the sectional view of the state that removes of the steel strand in the removable earth anchor main body of use spring;
Fig. 9, for representing according to an embodiment of the invention, uses the sectional view of the use state of the removable earth anchor main body of spring; With
Figure 10, for representing according to an embodiment of the invention, uses the sectional view of another use state of the removable earth anchor main body of spring.
It should be understood that appended accompanying drawing needn't be to scale, but representative is carried out the illustrative expression of simplifying a little to the various preferred feature of basic principle of the present invention.Particular design feature of the present invention disclosed herein for example comprises, specific dimensions, direction, position and shape are determined the purposes by specifically expecting and environment for use to a certain extent.In the drawings, reference number refers to and runs through the of the present invention identical of some accompanying drawings or be equal to part.
The specific embodiment
Describe exemplary embodiments of the present invention in detail below with reference to appended accompanying drawing.Possible in the situation that, identical reference number will be used to indicate identical element in whole manual, and will omit the description of its repetition.Although be understandable that term " first ", " second " etc. are used to describe various elements herein, these elements should not limited by these terms.These terms are only used to an element and another element to distinguish.
As shown in Fig. 1 to 8, the removable earth anchor main body of use spring of the present invention can comprise: waterproof cover 110, the first screw threads 111 form on the upside of the inner circumferential surface of waterproof cover, and the second screw thread 112 forms on the downside of the inner circumferential surface of waterproof cover; Elastic guide part 120, its be provided with connect with the first screw thread 111 of waterproof cover 110 need to be rotated remove spring 122 and the compression spring 121 outwards being acted on; Main body 130, it is attached to the to be connected spring 122 that removes, and forms insertion groove 131 in its underpart; Intermediate plate (wedge) 140, it is attached to main body to be connected 130 bottoms; Anchor ring (head coupler) 150, it is attached to the second screw thread 112 of waterproof cover 110, and has the pilot hole 151 of guiding intermediate plate (wedge) 140; With steel strand 160, its one end is assemblied in the insertion groove 131 of main body 130, be connected with main body through the pilot hole 151 of anchor ring (head coupler) 150, and described steel strand are fixing by intermediate plate (wedge) 140, it is pushed in coated flexible pipe 162 simultaneously simultaneously.
The inner circumferential surface of waterproof cover 110 can be multistage, thereby form set jaw (catching jaw) 114 between the first screw thread 111 and described the second screw thread 112, and can form the projection 113 of bolt head shape at the front end of waterproof cover 110, easy to be fastening for carrying out.
Here, the first screw thread 111 of waterproof cover 110 can be formed as right-handed thread, thereby shifts reposefully the power of the steel strand 160 of manufacturing by distortion steel wire, but it is not limited to this.
Therefore, compression spring 121 can carry out squeeze operation, anchored on set jaw 114, and the spring 122 that removes that is attached to the first screw thread 111 rotates, to adjust the compressive force of compression spring 121 simultaneously.
In addition, can be in the top surface edge of flange 134 mineralization pressure jaw 135, thereby the rear end that holds compression spring 121.
In addition, can form fixed projection 136 in the center of the soffit of the flange 134 of main body 130, in fixed projection 136, form insertion groove 131, wherein, form and there is hexagonal keyway 132 in the inside of insertion groove 131.
In addition, can on the bottom of the external peripheral surface of outwardly directed fixed projection 136, form set jaw (catching jaw) 137.
Intermediate plate (wedge) 140 can be divided into three, wherein, fixed projection 137 is assembled in binding groove 141, this binding groove 141 is formed at the top of the inner circumferential surface of intermediate plate (wedge), and elastic webbing 144 is assembled in trough of belt 143, this trough of belt 143 is formed on the external peripheral surface on intermediate plate (wedge) top, and described elastic webbing 144 is not moved.
Especially, on the external peripheral surface of intermediate plate (wedge) 140, inclined-plane 142 can be formed, and on circumferential surface, concave surface can be formed therein.
On the upside of the external peripheral surface of anchor ring (head coupler) 150, can form binding thread 152, thereby be attached to the second screw thread 112 of waterproof cover 110, wherein, on the bottom of binding thread 152, form annular fitting recess 154, and filler 155 is positioned in fitting recess 154, thus the inside of complete sealed body.
In addition, anchor ring (head coupler) 160 can have the pilot hole 151 of longitudinal formation, and its top is taper, thus the inclined-plane 142 of guiding intermediate plate (wedge) 140.
And, on the bottom of the pilot hole 151 of anchor ring (head coupler) 150, can form tapping screw thread 156, the coated flexible pipe 162 of steel strand 160 is rotated, thereby connect with the tap (screw tap) with formation screw thread, and seal the inside of its main body completely, wherein, on tapping screw thread 156, can form fitting recess 157, and filler 158 can be assemblied in holddown groove 157, thus the inside of sealed body more effectively.
Here, anti-load main body can be attached to the rear end of anchor ring (head coupler) 150.
Can be by exposed steel strand be inserted in flexible pipe 162 and manufacture steel strand 160.
Coated flexible pipe 162 can be removed from the front and rear of steel strand 160, and the front end of coated flexible pipe can play the effect of key 160, the part simultaneously removing by use, steel strand 160 can by intermediate plate (wedge) 140 coupled and disconnect and pull from outside.
Below, the removable earth anchor main body to use spring according to the present invention is described.
After completing the installation of anchor structure 100, compression spring 121 is pressed into intermediate plate (wedge) 140 in the pilot hole 151 of inclination of anchor ring (head coupler) 150, make intermediate plate (wedge) thus 140 keep securely steel strand 160 to be fixed.
In addition, filler 155 is assembled in the coupling part of waterproof cover 110 and anchor ring (head coupler) 150, and the coated flexible pipe 162 of steel strand 160 is forced to tapping screw thread 156 and carries out thread connection, keeps thus the sealing completely of body interior, and stops the inflow of grouting agent completely.
Especially, because compression spring 121 is accurately arranged on pressure jaw 135 and set jaw 114, and the spring 122 that removes with small diameter connects with guide thread 133 in compression spring 121, and the elasticity of compression spring 121 can avoid removing the interference between spring 122 and compression spring 121.
That is to say, can avoid the compressive force of compression spring 121 to be transferred to and remove spring 122.
Therefore, even when in the time that motion, transportation or duration of work apply large impact force to it, intermediate plate (wedge) 140 also constantly compresses steel strand 160 by the elasticity of compression spring 121, thereby keeps being connected with the firm of steel strand 160.
In this state, anchor structure 100 is inserted in four punching hole on angle, and is in the milk thereon, is then removed at process week predetermined time after date.
When rotate steel strand 160 when it is compressed in the situation that removing steel strand 160 simultaneously, the main body 130 that is attached to steel strand 160 front ends will be rotated linkedly, rotates thus the spring 120 that is attached to main body 130.
Therefore,, in the time that its first screw thread 111 by waterproof cover 110 is rotated, remove spring 122 and moved towards the inside of waterproof cover 110, and main body 130 is moved by interlock.
As a result, the intermediate plate (wedge) 140 that is attached to main body 130 is moved, to discharge the tightening state of steel strand 160.
Now, by being attached to the elastic webbing 144 of intermediate plate (wedge) 140, the tightening state of steel strand 160 is steadily discharged.
Here, in the time that the tightening state of steel strand 160 is released, removed by pulling the rear end of the steel strand 160 that coated flexible pipe removed from above.
Especially, base area anchor structure 100, even if it can keep firmly connection status and the d/d words of tightening state also can be reconnected by making its rotation.
Meanwhile, by using perforator 101 can carry out anchor structure 100, or be multistage configuration or assembly.
According to the removable earth anchor main body that uses spring, can avoid grouting agent to flow in anchor main body completely, intermediate plate (wedge) is connected with steel strand securely, filler is assembled to the coupling part of waterproof cover and anchor ring (head coupler), and coated flexible pipe is forced to tapping screw thread and carries out thread connection, to keep the complete sealing state of body interior.Even in the time transporting or duration of work applies external impact force, by intermediate plate (wedge), along with the elasticity of compression spring is compressed steel strand, steel strand are also maintained at stationary state.Meanwhile, by moving simply the intermediate plate (wedge) that is fastened to main body, can make the tightening state of steel strand be released, then easily pull out the rear end of the steel strand that removed coated flexible pipe with hand, thereby remove steel strand.
The present invention be have been described in detail with reference to its preferred embodiment.But, be understandable that for those skilled in the art, without departing from the principles and spirit of the present invention, can these embodiment be changed or be revised, scope of the present invention be limited by claims and its equivalents.
Claims (11)
1. a removable earth anchor main body that uses spring, it comprises:
Waterproof cover, the first screw thread forms on the upside of the inner circumferential surface of described waterproof cover, and the second screw thread forms on the downside of the described inner circumferential surface of described waterproof cover;
Elastic guide part, thus it is provided with the spring that removes rotating together with the needing of the first thread connection of described waterproof cover and is outwards operated;
Main body, its with have the bottom that removes spring described in to be connected to connect and form insertion groove in its underpart;
Intermediate plate (wedge), it is attached to the bottom of described main body to be connected;
Anchor ring (head coupler), it is attached to the second screw thread of described waterproof cover and has the pilot hole of the described intermediate plate of guiding (wedge); With
Steel strand, its one end is assembled in the insertion groove of described main body, simultaneously by described anchor ring (head coupler) thus pilot hole connect with described main body, and described steel strand and described intermediate plate (wedge) are fixing, and it is upwards pushed coated flexible pipe simultaneously.
2. the removable earth anchor main body of use spring as claimed in claim 1, wherein, the inner circumferential surface of described waterproof cover is multistage, thereby between described the first screw thread and described the second screw thread, form set jaw (catching jaw), and form the projection of bolt head shape at described waterproof cover front end.
3. the removable earth anchor main body of use spring as claimed in claim 1, wherein, described elastic guide part be provided with mutually have different-diameter described compression spring and described in remove spring, wherein, the described spring that removes has less diameter, and is arranged on described compression spring inside and non-interference.
4. the removable earth anchor main body of use spring as claimed in claim 1, wherein, described the first screw thread that removes spring and described waterproof cover is thread connection, and the front end of described compression spring is configured to anchor on the set jaw (catching jaw) of described waterproof cover.
5. the removable earth anchor main body of use spring as claimed in claim 1, wherein, described main body has guide thread in the center of the upper surface of flange, in the center of the upper surface of described flange, the described bottom that removes spring connects with described guide thread, and mineralization pressure jaw on the upper surface of described flange, thereby the rear end that holds described compression spring.
6. the removable earth anchor main body of use spring as claimed in claim 4, wherein, center at the soffit of the flange of described main body forms fixed projection, in described fixed projection, form insertion groove, wherein form and there is hexagonal keyway in the inside of described insertion groove, and form set jaw (catching jaw) on the bottom of the external peripheral surface of described fixed projection.
7. the removable earth anchor main body of use spring as claimed in claim 1, wherein, described intermediate plate (wedge) is divided into three, wherein, on the top of the inner circumferential surface of described intermediate plate (wedge), form binding groove, and on the top of the external peripheral surface of described intermediate plate (wedge), form trough of belt, and be equipped with the elastic webbing not being moved in described intermediate plate (wedge).
8. the removable earth anchor main body of use spring as claimed in claim 1, wherein, at described anchor ring (head coupler) thus the upside of external peripheral surface on form the second thread connection of binding thread and described waterproof cover, wherein, on the bottom of described binding thread, form annular holddown groove, and filler is assembled in described holddown groove.
9. the removable earth anchor main body of use spring as claimed in claim 1, wherein, described anchor ring (head coupler) has pilot hole, and the top of described pilot hole becomes taper, thus the inclined-plane of described intermediate plate (wedge) that lead.
10. the removable earth anchor main body of use spring as claimed in claim 1, wherein, on the bottom of the pilot hole of described anchor ring (head coupler), form tapping screw thread, the coated flexible pipe of described steel strand is rotated, thereby make described tap and form thread connection and seal the inside of described main body completely, wherein on described tapping screw thread, form holddown groove, and filler is assembled in described holddown groove.
The removable earth anchor main body of 11. use springs as claimed in claim 1, wherein, forms described steel strand, thereby is upwards pushed in coated flexible pipe, wherein, removes described coated flexible pipe on the front-end and back-end of described steel strand.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0150926 | 2012-12-21 | ||
| KR20120150926 | 2012-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103882865A true CN103882865A (en) | 2014-06-25 |
Family
ID=50951968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310088438.5A Pending CN103882865A (en) | 2012-12-21 | 2013-03-19 | Removable ground anchor body using spring |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103882865A (en) |
| MY (1) | MY170193A (en) |
| WO (1) | WO2014098310A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480883A (en) * | 2016-12-09 | 2017-03-08 | 重庆工商职业学院 | New earth anchor |
| CN106522221A (en) * | 2016-12-09 | 2017-03-22 | 重庆工商职业学院 | Ground anchor device for building construction |
| CN106884430A (en) * | 2015-12-15 | 2017-06-23 | 三进钢铁产业株式会社 | Using the removal formula earth anchor body of spring |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826323B (en) * | 2019-03-20 | 2024-02-27 | 华侨大学 | Flexible high-strength connecting rib and assembly method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1463316A (en) * | 2001-03-23 | 2003-12-24 | 株式会社三友基础技术 | Wedge assembly and internal anchorage using same |
| KR100649135B1 (en) * | 2004-10-20 | 2006-11-28 | 김범연 | Fixing agent for ground anchor of steel wire decomposition device |
| KR100701436B1 (en) * | 2005-08-26 | 2007-03-30 | 김성우 | A fixer for ground anchor |
| KR100963565B1 (en) * | 2009-09-25 | 2010-06-15 | 삼진스틸산업(주) | Removable ground anchor body using spring |
| KR20120119639A (en) * | 2011-04-22 | 2012-10-31 | 박병구 | Anchor heads |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046418A (en) * | 2005-08-12 | 2007-02-22 | Kenji Onodera | Anchorage for removable anchor and its fixing method |
-
2013
- 2013-02-07 WO PCT/KR2013/001000 patent/WO2014098310A1/en active Application Filing
- 2013-02-21 MY MYPI2013000576A patent/MY170193A/en unknown
- 2013-03-19 CN CN201310088438.5A patent/CN103882865A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1463316A (en) * | 2001-03-23 | 2003-12-24 | 株式会社三友基础技术 | Wedge assembly and internal anchorage using same |
| KR100649135B1 (en) * | 2004-10-20 | 2006-11-28 | 김범연 | Fixing agent for ground anchor of steel wire decomposition device |
| KR100701436B1 (en) * | 2005-08-26 | 2007-03-30 | 김성우 | A fixer for ground anchor |
| KR100963565B1 (en) * | 2009-09-25 | 2010-06-15 | 삼진스틸산업(주) | Removable ground anchor body using spring |
| KR20120119639A (en) * | 2011-04-22 | 2012-10-31 | 박병구 | Anchor heads |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884430A (en) * | 2015-12-15 | 2017-06-23 | 三进钢铁产业株式会社 | Using the removal formula earth anchor body of spring |
| CN106480883A (en) * | 2016-12-09 | 2017-03-08 | 重庆工商职业学院 | New earth anchor |
| CN106522221A (en) * | 2016-12-09 | 2017-03-22 | 重庆工商职业学院 | Ground anchor device for building construction |
| CN106522221B (en) * | 2016-12-09 | 2018-12-11 | 重庆工商职业学院 | Construction ground anchorage |
Also Published As
| Publication number | Publication date |
|---|---|
| MY170193A (en) | 2019-07-09 |
| WO2014098310A1 (en) | 2014-06-26 |
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Application publication date: 20140625 |