CN101469541A - Recoverable anchor rod - Google Patents
Recoverable anchor rod Download PDFInfo
- Publication number
- CN101469541A CN101469541A CNA2008101065281A CN200810106528A CN101469541A CN 101469541 A CN101469541 A CN 101469541A CN A2008101065281 A CNA2008101065281 A CN A2008101065281A CN 200810106528 A CN200810106528 A CN 200810106528A CN 101469541 A CN101469541 A CN 101469541A
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- Prior art keywords
- anchor
- rod
- screw rod
- steel pipe
- cone body
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Abstract
The invention relates to a recovery type anchor bar, comprising an outer sleeve steel pipe, a screw rod disposed in the outer sleeve steel pipe along the axial direction, an upper cover board fixed on the top of the outer sleeve steel pipe, a regulation nut disposed at center of the upper cover board, a lower cover board fixing on the bottom end of the outer sleeve steel pipe, an anchor cone disposed right under the lower cover board, and a plurality of upper connection boards disposed on bottom end of the lower cover board, wherein the upper portion of the screw rod is attached to the regulation nut through a screw thread, the lower portion of the screw rod is attached to the anchor cone. Each upper connection boards is hinged to the top of an upper pulling rod, bottom end of each upper pulling rod is hinged to the top of a lower pulling rod, bottom end of each lower pulling rod is respectively attached to the anchor cone through a pin. Object of the invention is to provide a recovery type anchor bar which is high in shearing resistance capacity, underground space saving, underground environment pollution-free, and steel saving.
Description
Technical field
The present invention relates to the anchor pole that a kind of foundation pit supporting project is used.
Background technology
In the civil engineering foundation pit support construction, the construction technology of native wall supporting commonly used when bolt support is a kind of excavation of foundation pit, its advantage is: big work plane can be provided, mutual interference is few mutually with other operations, technical maturity, and construction is simple, cheap, applied widely; Be particularly useful for the big foundation ditch of excavation face, when the excavation of foundation pit area is very big, will cause very big difficulty as if support in adopting, the support arrangement complexity has a strong impact on the construction of other operations.Therefore, in side slope, foundation ditch, tunnel, underground utilities and the anti-floating engineering in industries such as traffic, building, municipal administration, water power, mine construction, various types of soil bolt technology are widely used.The construction technology of bolt support commonly used is at present: play native wall support action after boring on the excavation slope, insertion anchor pole, pressure pour into cement mortar, maintenance sclerosis.This traditional bolt support is used very extensive at present, as the temporary supporting of building foundation pit temporary supporting, subway and military structure.After the temporary supporting disabler, this traditional anchor pole can't reclaim, and buries in underground with the structure of being built, a large amount of underground spaces have been taken, form underground rubbish, cause underground environmental pollution, cause very big influence for the exploitation in adjacent plot; Simultaneously also can not reclaim the waste that causes steel because of anchor pole.
Summary of the invention
The object of the present invention is to provide a kind of shear-carrying capacity height, save the underground space, do not pollute underground environment, save the recoverable anchor rod of steel.
Recoverable anchor rod of the present invention, comprise outer steel pipe, be provided with screw rod in the outer steel pipe vertically, the top of outer steel pipe is fixed with upper cover plate, the middle part of upper cover plate can be provided with the adjustment nut rotationally, the top of screw rod links to each other by the screw thread spinning with the adjustment nut, the bottom of described outer steel pipe is fixed with lower cover, be provided with the anchor cone body under the lower cover, the bottom of described screw rod links to each other with the anchor cone body, the bottom of described lower cover is provided with a plurality of upper junction plates, the top of each upper junction plate and a upper connecting rod is hinged and connected, the bottom of every upper connecting rod is hinged and connected with the top of a lower link respectively, and the bottom of every lower link links to each other with a lower connecting plate by bearing pin respectively, and each lower connecting plate is separately fixed at the top of described anchor cone body.
Recoverable anchor rod of the present invention, the bottom of wherein said screw rod is passed the anchor cone body vertically, and the bottom of screw rod is provided with locknut or nut, is fixed with breast boards respectively on the every described upper connecting rod, and the plate of each breast boards faces outer the layout.
Recoverable anchor rod of the present invention, the top of wherein said screw rod are right-handed thread, and the bottom is a left hand thread, and described anchor cone body upper edge is axially arranged with left handed threaded hole, and the bottom of described screw rod links to each other with the left handed threaded hole spinning of anchor cone body.
Recoverable anchor rod of the present invention, the middle part of wherein said adjustment nut lateral surface are provided with the groove of annular, and described upper cover plate is made of the left and right cover plate splice of semi-round ring shape, and the inner arc limit of left and right cover plate is inserted in the described groove.
Recoverable anchor rod of the present invention, wherein said breast boards are fixed on the described upper connecting rod surface outwardly, and the quantity of upper connecting rod, lower link and described upper junction plate, lower connecting plate is 3-6, and 3-6 upper connecting rods are arranged around described lower cover in uniform way.
Recoverable anchor rod of the present invention, wherein said anchor cone body top adopt steel pipe to make, and the bottom of anchor cone body is a conehead.
Compared with prior art, recoverable anchor rod of the present invention has following good effect:
1, recoverable anchor rod of the present invention is by adjusting the rotation of nut, controlling the lower end of upper connecting rod of anchor trend and the upper end of lower link struts and draws in, thereby play anchorage effect in the time of can strutting in the upper end of the lower end of upper connecting rod and lower link, do not need to pour into cement mortar, the lower end of upper connecting rod and the upper end of lower link can be reclaimed after drawing in, both saved the underground space, also can reduce, and caused adverse effect can for the exploitation in adjacent plot underground environment pollution;
2, because recoverable anchor rod of the present invention Duo an outer steel pipe than common bolt, follow under the close situation at the tension bearing capacity, its shear-carrying capacity is greater than common bolt;
3, because great deal of steel and cement mortar have been saved in anchor pole recyclable back recycling, simplify construction operation, had bigger economic benefit.
Other details of recoverable anchor rod of the present invention and characteristics can just can be cheer and bright by reading the embodiment hereinafter encyclopaedize in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the main pseudosection of the structural representation of recoverable anchor rod of the present invention.
The specific embodiment
As shown in Figure 1, recoverable anchor rod of the present invention, comprise outer steel pipe 4, be provided with screw rod 3 in the outer steel pipe 4 vertically, the top of outer steel pipe 4 is fixed with upper cover plate 2, the middle part of upper cover plate 2 can be provided with rotationally adjusts nut 1, the top of screw rod 3 links to each other by the screw thread spinning with adjustment nut 1, the bottom of outer steel pipe is fixed with lower cover 5, be provided with anchor cone body 10 under the lower cover 5, anchor cone body 10 is passed with matched in clearance vertically in the bottom of screw rod 3, the bottom of screw rod 3 is installed with locknut 12, perhaps be provided with nut, paste mutually with the bottom of anchor cone body 10 upper surface of locknut 12 or nut, the bottom of lower cover 5 is uniform around being provided with 4 upper junction plates 13, the top of each upper junction plate 13 and a upper connecting rod 7 is hinged and connected, the axis of 4 upper connecting rods 7 is in uniform way around lower cover 5, the axis of 4 upper connecting rods 7 by the pin joint on top downwards or stretch out, the bottom of every upper connecting rod 7 is hinged and connected with the top of a lower link 8 respectively, be fixed with breast boards 6 respectively on the every upper connecting rod 7, breast boards 6 is fixed on upper connecting rod 7 surface outwardly, the plate of each breast boards 6 faces outer the layout, the bottom of every upper connecting rod 7 is hinged and connected with the top of a lower link 8 respectively, the axis of 4 lower links 8 is extended downwards or inwards by the pin joint on top, 4 lower links 8 are in uniform way around the top of anchor cone body 10, the bottom of every lower link 8 links to each other with lower connecting plate 14 by bearing pin 9 respectively, and each lower connecting plate 14 is separately fixed at the top of anchor cone body 10.
Above-mentioned anchor cone body 10 also can be by the spinning that is threaded in the bottom of screw rod 3, the rotation direction of screw thread is all dextrorotation or left-handed on the screw rod 3.
The quantity of above-mentioned upper junction plate 13, upper connecting rod 7, lower link 8 and lower connecting plate 14 also can be all 2 or 3 or 5 or 6.
The middle part of above-mentioned adjustment nut 1 lateral surface is provided with the groove 11 of annular, and upper cover plate 2 is made of the left and right cover plate splice of semi-round ring shape, and the inner arc limit of left and right upper cover plate is inserted in the groove 11.
Above-mentioned anchor cone body 10 tops adopt steel pipe to make, and the bottom of anchor cone body 10 is a conehead.
Recoverable anchor rod of the present invention in use, the anchor hole diameter that is bored should be bigger slightly than the diameter of outer steel pipe 4, carry out hole clearly after the boring, after clear hole finishes, with upper connecting rod 7, the recoverable anchor rod that lower link 8 is in rounding state inserts in the anchor hole, adjust nut 1 with spanner or the rotation of other mechanical devices then, its direction of rotation is for allowing screw rod 3 direction motion outside anchor hole, at this moment, adjusting 1 pair of outer steel pipe 4 of nut exerts pressure, adjust 1 pair of screw rod 3 of nut simultaneously and apply pulling force, anchor cone body 10 is the direction motion outside anchor hole, and the upper end of the lower end of upper connecting rod 7 and lower link 8 is squeezed and struts gradually, when the axis of upper connecting rod 7 becomes than wide-angle with the axis of outer steel pipe 4, can be about 90 degree, stop the rotation and adjust nut 1, subsequently, with shaped steel and standby nut fixed jacket steel pipe 4 and screw rod 3 outer ends, the whole recoverable anchor rod body of rod is subjected to pulling force, and recoverable anchor rod promptly can produce support action.When needs reclaim recoverable anchor rod, remove standby nut and shaped steel, adjust nut 1 with spanner or the rotation of other mechanical devices, rotate its direction for allowing screw rod 3 direction motion in anchor hole, at this moment, anchor cone body 10 is the direction motion in anchor hole, the upper end tension of the lower end of upper connecting rod 7 and lower link 8 is drawn in gradually, when the axis of the axis of upper connecting rod 7 and outer steel pipe 4 is spent into about 0, stops the rotation and adjusts nut 1, with machinery whole anchor pole is extracted from anchor hole, reclaimed thereby finish anchor pole.
Recoverable anchor rod of the present invention also has another embodiment, the difference of itself and embodiment shown in Figure 1 is, the top of screw rod 3 is right-handed thread, the bottom is a left hand thread, the middle part of upper cover plate 2 can be provided with rotationally adjusts nut 1, the top of screw rod 3 links to each other by the screw thread spinning with adjustment nut 1, the bottom of screw rod 3 is spinning locknut 12 not, do not establish nut yet, anchor cone body 10 upper edges are axially arranged with left handed threaded hole, the bottom of screw rod 3 links to each other with the left handed threaded hole spinning of anchor cone body 10, wherein anchor cone body 10 tops adopt steel pipe to make, the bottom of anchor cone body 10 is a conehead, is provided with left hand thread in the conehead, and the bottom of screw rod 3 links to each other by the screw thread spinning with the conehead of anchor cone body 10.Except these differences, other are local identical with embodiment shown in Figure 1.This kind recoverable anchor rod in use, can by fix adjust nut 1, rotating screw bolt 3 on bring in the lower end that makes upper connecting rod 7 and the upper end of lower link 8 struts or draws in, also can adjust nut 1 and make the lower end of upper connecting rod 7 and the upper end of lower link 8 strut or draw in by rotating.
Embodiment recited above is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (6)
1. recoverable anchor rod, it is characterized in that comprising outer steel pipe (4), be provided with screw rod (3) in the outer steel pipe (4) vertically, the top of outer steel pipe (4) is fixed with upper cover plate (2), the middle part of upper cover plate (2) can be provided with rotationally adjusts nut (1), the top of screw rod (3) links to each other by the screw thread spinning with adjustment nut (1), the bottom of described outer steel pipe is fixed with lower cover (5), be provided with anchor cone body (10) under the lower cover (5), the bottom of described screw rod (3) links to each other with anchor cone body (10), the bottom of described lower cover (5) is provided with a plurality of upper junction plates (13), each upper junction plate (13) is hinged and connected with the top of a upper connecting rod (7), the bottom of every upper connecting rod (7) is hinged and connected with the top of a lower link (8) respectively, the bottom of every lower link (8) links to each other with a lower connecting plate (14) by bearing pin (9) respectively, and each lower connecting plate (14) is separately fixed at the top of described anchor cone body (10).
2. recoverable anchor rod according to claim 1, the bottom that it is characterized in that described screw rod (3) is passed anchor cone body (10) vertically, the bottom of screw rod (3) is provided with locknut (12) or nut, be fixed with breast boards (6) on the every described upper connecting rod (7) respectively, the plate of each breast boards (6) faces outer the layout.
3. recoverable anchor rod according to claim 2, the top that it is characterized in that described screw rod (3) is right-handed thread, the bottom is a left hand thread, and described anchor cone body (10) upper edge is axially arranged with left handed threaded hole, and the bottom of described screw rod (3) links to each other with the left handed threaded hole spinning of anchor cone body (10).
4. according to claim 1 or 2 or 3 described recoverable anchor rods, it is characterized in that the middle part of described adjustment nut (1) lateral surface is provided with the groove (11) of annular, described upper cover plate (2) is made of the left and right cover plate splice of semi-round ring shape, and the inner arc limit of left and right cover plate is inserted in the described groove (11).
5. recoverable anchor rod according to claim 4, the bottom that it is characterized in that described lower cover (5) is provided with described breast boards (6) and is fixed on described upper connecting rod (7) surface outwardly, the quantity of upper connecting rod (7), described lower link (8), described upper junction plate (13) and described lower connecting plate (14) is all 3-6, and the axis of 3-6 upper connecting rods (7) is arranged around described lower cover (5) in uniform way.
6 recoverable anchor rods according to claim 5 is characterized in that described anchor cone body (10) top adopts steel pipe to make, and the bottom of anchor cone body (10) is a conehead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101065281A CN101469541B (en) | 2008-05-14 | 2008-05-14 | Recoverable anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101065281A CN101469541B (en) | 2008-05-14 | 2008-05-14 | Recoverable anchor rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101469541A true CN101469541A (en) | 2009-07-01 |
| CN101469541B CN101469541B (en) | 2011-02-09 |
Family
ID=40827324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101065281A Expired - Fee Related CN101469541B (en) | 2008-05-14 | 2008-05-14 | Recoverable anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101469541B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556635A (en) * | 2013-10-28 | 2014-02-05 | 河北省建筑科学研究院 | Recoverable anchor rod device |
| CN104179177A (en) * | 2014-08-13 | 2014-12-03 | 江苏鸿基科技有限公司 | Nailing and anchoring device based on foundation pit supporting structure and construction method of nailing and anchoring device |
| CN108049414A (en) * | 2017-12-26 | 2018-05-18 | 吴应寿 | Recoverable anchor rod |
| CN108360513A (en) * | 2018-03-09 | 2018-08-03 | 兰州理工大学 | A kind of recyclable secondary pressure-relieving achor bar of deep layer and construction method |
| CN109868900A (en) * | 2019-01-29 | 2019-06-11 | 南京理工大学 | A kind of prefabricated house structural construction panel structure |
| CN110331719A (en) * | 2019-05-31 | 2019-10-15 | 广东工业大学 | A kind of recoverable anchor rod |
| CN114608504A (en) * | 2022-01-20 | 2022-06-10 | 温州市瓯江引水发展有限公司 | Replaceable displacement measuring device of diversion tunnel |
| CN116624196A (en) * | 2023-07-20 | 2023-08-22 | 中南大学 | Buckle assembly type recyclable anchor rod |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1154478A1 (en) * | 1981-03-04 | 1985-05-07 | Badritdinova Gulzhan G | Rock for rock bolt |
| SU1002596A1 (en) * | 1981-10-29 | 1983-03-07 | Московский Ордена Трудового Красного Знамени Геологоразведочный Институт Им.Серго Орджоникидзе | Anchor |
| CN2095282U (en) * | 1991-06-14 | 1992-02-05 | 王晓利 | Cohesive type recoverable anchoring-bolt |
| CN2565988Y (en) * | 2002-08-13 | 2003-08-13 | 冯晓明 | Recoverable anchor rod for roof supporting |
| CN2680859Y (en) * | 2004-02-23 | 2005-02-23 | 代进 | Recoverable anchor rod |
-
2008
- 2008-05-14 CN CN2008101065281A patent/CN101469541B/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556635B (en) * | 2013-10-28 | 2015-11-18 | 河北省建筑科学研究院 | A kind of Recoverable anchor rod device |
| CN103556635A (en) * | 2013-10-28 | 2014-02-05 | 河北省建筑科学研究院 | Recoverable anchor rod device |
| CN104179177A (en) * | 2014-08-13 | 2014-12-03 | 江苏鸿基科技有限公司 | Nailing and anchoring device based on foundation pit supporting structure and construction method of nailing and anchoring device |
| CN104179177B (en) * | 2014-08-13 | 2016-04-13 | 江苏鸿基科技有限公司 | A kind of nail anchor device for foundation pit supporting construction and construction method thereof |
| CN108049414B (en) * | 2017-12-26 | 2019-11-01 | 吴应寿 | Recoverable anchor rod |
| CN108049414A (en) * | 2017-12-26 | 2018-05-18 | 吴应寿 | Recoverable anchor rod |
| CN108360513B (en) * | 2018-03-09 | 2020-09-04 | 兰州理工大学 | Deep-layer recyclable secondary yielding anchor rod and construction method |
| CN108360513A (en) * | 2018-03-09 | 2018-08-03 | 兰州理工大学 | A kind of recyclable secondary pressure-relieving achor bar of deep layer and construction method |
| CN109868900A (en) * | 2019-01-29 | 2019-06-11 | 南京理工大学 | A kind of prefabricated house structural construction panel structure |
| CN110331719A (en) * | 2019-05-31 | 2019-10-15 | 广东工业大学 | A kind of recoverable anchor rod |
| CN110331719B (en) * | 2019-05-31 | 2024-01-23 | 广东工业大学 | Recoverable stock |
| CN114608504A (en) * | 2022-01-20 | 2022-06-10 | 温州市瓯江引水发展有限公司 | Replaceable displacement measuring device of diversion tunnel |
| CN116624196A (en) * | 2023-07-20 | 2023-08-22 | 中南大学 | Buckle assembly type recyclable anchor rod |
| CN116624196B (en) * | 2023-07-20 | 2023-10-20 | 中南大学 | Buckle assembly type recyclable anchor rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101469541B (en) | 2011-02-09 |
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Granted publication date: 20110209 Termination date: 20110514 |