CN111424731A - Replaceable embedded ground anchor - Google Patents
Replaceable embedded ground anchor Download PDFInfo
- Publication number
- CN111424731A CN111424731A CN202010107936.XA CN202010107936A CN111424731A CN 111424731 A CN111424731 A CN 111424731A CN 202010107936 A CN202010107936 A CN 202010107936A CN 111424731 A CN111424731 A CN 111424731A
- Authority
- CN
- China
- Prior art keywords
- wall
- connecting part
- connecting portion
- buried
- thick bamboo
- 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.)
- Granted
Links
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 23
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 23
- 241001330002 Bambuseae Species 0.000 claims abstract description 23
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 23
- 239000011425 bamboo Substances 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention discloses a replaceable pre-buried anchor part which can prevent the damage of a pre-buried anchor rod caused by the fact that the torque of an external screw rod is transmitted to the pre-buried anchor rod. Including pre-buried screw rod, the sleeve has connecting portion, lower connecting portion, go up connecting portion, form spacing step between the lower connecting portion, go up connecting portion, lower connecting portion have the internal thread respectively, lower connecting portion and pre-buried screw rod's upper end screw-thread fit, go up connecting portion and be used for with outside screw rod threaded connection, it has a location section of thick bamboo to go up connecting portion overcoat, lower connecting portion, a location section of thick bamboo overcoat has a section of thick bamboo that protects, the inner wall shape of a location section of thick bamboo corresponds with the outer wall shape of last connecting portion, the outer wall shape of a location section of thick bamboo corresponds with the inner wall shape of a section of thick bamboo that protects, go up the outer wall of connecting portion, the outer wall of a location section of thick bamboo, the outer wall of a protection section of thick bamboo is circumferential location structure, make connecting portion, between a location.
Description
Technical Field
The invention relates to the technical field of structural tests, in particular to a replaceable pre-buried anchor.
Background
To the pre-buried subassembly of reaction force platform, shanghai build nation observes and controls science and technology ltd and applies for relevant patent, has proposed a pre-buried subassembly of reaction force platform in patent number 201610390368.2. The advantage can solve the impaired back of rag bolt screw and restore the difficult problem, and the shortcoming is that the transmission of top moment of torsion leads to damaging (especially screw up the in-process) to the pre-buried screw rod in below, and in addition, the connecting device top surface flushes with ground, leads to the too big construction difficulty of hole area, and connecting device relies on the apron protection, can't guarantee the reliability. In order to solve the problems, a novel anchor capable of replacing the counterforce is provided, and construction and installation details are optimized, so that the mechanical property and the replaceability of the anchor capable of replacing the counterforce are guaranteed while the cost is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a replaceable pre-buried anchor, the embedded part can prevent the damage of the pre-buried anchor rod caused by the transmission of the torque of an external screw rod to the pre-buried anchor rod, and the service life of the pre-buried anchor is prolonged.
The purpose of the invention is realized as follows:
a replaceable pre-buried anchor comprises a pre-buried screw rod and a sleeve, wherein the sleeve is provided with an upper connecting part and a lower connecting part, a limiting step is formed between the upper connecting part and the lower connecting part, the upper connecting part and the lower connecting part are respectively provided with an internal thread, the lower connecting part is matched with the upper end of the pre-buried screw rod in a threaded manner, the upper connecting part is used for being in threaded connection with an external screw rod, a positioning cylinder is sleeved outside the upper connecting part, a protective cylinder is sleeved outside the lower connecting part and the positioning cylinder, the shape of the inner wall of the positioning cylinder corresponds to the shape of the outer wall of the upper connecting part, the shape of the outer wall of the protective cylinder corresponds to the shape of the inner wall of the upper connecting part, the outer wall of the positioning cylinder and the outer wall of the protective cylinder are of a circumferential positioning structure, so that the space between the upper connecting part and the positioning cylinder, circumferential positioning is formed, and the lower end of the positioning cylinder is axially positioned on the limiting step.
Preferably, the outer wall of the lower connecting part is circular, the outer wall of the upper connecting part, the outer wall of the positioning cylinder and the outer wall of the protective cylinder are all regular polygons, and the number of the outer wall edges of the positioning cylinder is less than that of the outer wall edges of the upper connecting part.
Preferably, the inner wall and the outer wall of the casing are the same in shape.
Preferably, the outer wall of the upper connecting part is in a regular hexagon shape, and the outer wall of the positioning cylinder is in a square shape.
Preferably, the lower extreme of protecting a section of thick bamboo has the diapire, diapire and pre-buried screw rod screw-thread fit, and with telescopic lower connecting portion contact, the screw-thread fit has last set nut on the pre-buried screw rod, it is located the below of diapire to go up set nut for the location protects a section of thick bamboo, sleeve, pre-buried screw rod.
Preferably, the upper end of the protective sleeve is located between the upper end and the lower end of the connecting portion on the sleeve, the protective sleeve and the positioning sleeve are integrally located in the external casting material, the upper end of the connecting portion on the sleeve is flush with the external casting material, or the upper end of the connecting portion on the sleeve is located in the external casting material.
Preferably, the outer side of the casing is fixed with a shear-resistant stud for connecting with an external casting material to provide reverse torque.
Preferably, the lower end of the embedded screw is in threaded fit with an embedded base plate and is positioned through a lower positioning nut.
Preferably, the diameters of the inner threads on the upper connecting part and the lower connecting part are the same, and the axial length of the lower connecting part in threaded fit with the embedded screw is larger than that of the upper connecting part in threaded fit with the external screw.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. have abundant circumference location, when screwing up outside screw rod, only transmit pulling force and do not transmit the moment of torsion to the pre-buried stock in below to guarantee that the screw thread of pre-buried stock is not damaged. The method can be used for static tests and structural member dynamic fatigue tests, and prolongs the service life of the pre-buried anchor.
2. The whole casing and the lower connecting part of the sleeve are positioned below the ground, so that the area of holes on the ground is reduced, the construction difficulty is reduced, the cost is saved, the ground is smoother, and the problems of overlarge area of holes on the ground and poor protection reliability of the cover plate in the prior art are solved;
meanwhile, all parts in the protective cylinder are well protected from corrosion.
3. The connecting device is convenient to replace after being damaged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic representation of the use of the present invention;
FIG. 3 is a schematic view of the connection of the sleeve;
FIG. 4 is a schematic top view of the sleeve;
FIG. 5 is a schematic sectional view A-A of FIG. 4;
FIG. 6 is a schematic top view of the positioning barrel;
FIG. 7 is a schematic cross-sectional view B-B of FIG. 6;
FIG. 8 is a schematic top view of the shroud;
fig. 9 is a schematic cross-sectional view of C-C of fig. 8.
Reference numerals
In the attached drawing, 1 is an embedded screw, 2 is an upper connecting part, 3 is a lower connecting part, 4 is an external screw, 5 is, 6 is a positioning cylinder, 7 is a protective cylinder, 8 is concrete, 9 is an upper positioning nut, 10 is an embedded base plate, 11 is a lower positioning nut, and 12 is a yielding hole.
Detailed Description
Referring to fig. 1-9, a replaceable pre-buried anchor comprises a pre-buried screw rod and a sleeve, wherein the sleeve is provided with an upper connecting part and a lower connecting part, a limit step is formed between the upper connecting part and the lower connecting part, the upper connecting part and the lower connecting part are respectively provided with an internal thread, the lower connecting part is in threaded fit with the upper end of the pre-buried screw rod, the upper connecting part is in threaded connection with an external screw rod, a positioning cylinder is sleeved outside the upper connecting part, a protective cylinder is sleeved outside the lower connecting part and the positioning cylinder, the shape of the inner wall of the positioning cylinder corresponds to that of the outer wall of the upper connecting part, the shape of the outer wall of the protective cylinder corresponds to that of the inner wall of the protective cylinder, the outer wall of the upper connecting part, the outer wall of the positioning cylinder and the outer wall of the protective cylinder are all circumferential positioning structures, so, and circumferential positioning is formed between the pile casing and the external pouring material, and the lower end of the positioning cylinder is axially positioned on the limiting step.
The outer wall of lower connecting portion is circular, makes lower connecting portion, pre-buried screw stress even, and life is longer, goes up the outer wall of connecting portion, the outer wall of a location section of thick bamboo, protects the outer wall of a section of thick bamboo and all is regular polygon, and the quantity on the outer wall limit of a location section of thick bamboo is less than the quantity on connecting portion outer wall limit, and the stress is even, and can form better circumference location. In this embodiment, the outer wall of going up connecting portion is regular hexagon, the outer wall of a setting cylinder is the square. The protective cylinder is of a thin-wall structure, namely the inner wall and the outer wall of the protective cylinder are same in shape and are both square.
The lower extreme of protecting a section of thick bamboo has the diapire, diapire and pre-buried screw rod screw-thread fit, and with telescopic lower connecting portion contact, screw-thread fit has last set nut on the pre-buried screw rod, it is located the below of diapire to go up set nut for the location protects a section of thick bamboo, sleeve, pre-buried screw rod. The lower end of the embedded screw is in threaded fit with an embedded base plate and is positioned through a lower positioning nut.
In this embodiment, outside casting material adopts the concrete, the upper end of protecting a section of thick bamboo is located between the upper end of connecting portion, the lower extreme on the sleeve, protect a section of thick bamboo upper end, location section of thick bamboo upper end and flush, and all whole body is located outside casting material, in this embodiment, the sleeve top surface is located ground (outside casting material forms) 40mm down, subaerial correspondence goes up and sets up the hole of stepping down in the connecting portion internal thread, be used for installing outside screw rod, because it can not be very high to change the frequency, only need chisel sleeve top concrete when changing, parts such as below sleeve are changed again, a apron is done in the position on ground, prevent in the connecting portion internal thread that to fall into debris. Shear studs (not shown) are fixed to the outside of the sheath cylinder for connection to external casting material to provide a counter torque.
The diameters of the internal threads on the upper connecting part and the lower connecting part are the same, and the axial length of the lower connecting part in threaded fit with the embedded screw is larger than that of the upper connecting part in threaded fit with the external screw, so that the thread of the external screw is damaged before the thread of the embedded screw.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a ground anchor is buried in advance to removable formula, includes pre-buried screw rod, its characterized in that: also comprises a sleeve, the sleeve is provided with an upper connecting part and a lower connecting part, a limit step is formed between the upper connecting part and the lower connecting part, the upper connecting part and the lower connecting part are respectively provided with internal threads, the lower connecting part is in threaded fit with the upper end of the embedded screw rod, the upper connecting part is used for being in threaded connection with an external screw, a positioning cylinder is sleeved outside the upper connecting part, the lower connecting part and the positioning cylinder are sleeved with a protective cylinder, the shape of the inner wall of the positioning cylinder corresponds to the shape of the outer wall of the upper connecting part, the shape of the outer wall of the positioning cylinder corresponds to the shape of the inner wall of the protecting cylinder, the outer wall of the upper connecting part, the outer wall of the positioning cylinder and the outer wall of the protecting cylinder are all circumferential positioning structures, so that the positioning cylinder and the protecting cylinder are arranged between the upper connecting part and the positioning cylinder, and circumferential positioning is formed between the pile casing and the external pouring material, and the lower end of the positioning cylinder is axially positioned on the limiting step.
2. A replaceable pre-buried anchor according to claim 1, wherein: the outer wall of lower connecting portion is circular, and the outer wall of going up connecting portion, the outer wall of a location section of thick bamboo, the outer wall of protecting a section of thick bamboo all are regular polygon, and the quantity on the outer wall limit of a location section of thick bamboo is less than the quantity on the outer wall limit of last connecting portion.
3. A replaceable pre-buried anchor according to claim 2, wherein: the inner wall and the outer wall of the protective cylinder are the same in shape.
4. A replaceable pre-buried anchor according to claim 2 or 3, wherein: the outer wall of the upper connecting part is in a regular hexagon shape, and the outer wall of the positioning cylinder is in a square shape.
5. A replaceable pre-buried anchor according to claim 1, wherein: the lower extreme of protecting a section of thick bamboo has the diapire, diapire and pre-buried screw rod screw-thread fit, and with telescopic lower connecting portion contact, screw-thread fit has last set nut on the pre-buried screw rod, it is located the below of diapire to go up set nut for the location protects a section of thick bamboo, sleeve, pre-buried screw rod.
6. A replaceable pre-buried anchor according to claim 1 or 5, wherein: the upper end of the protective sleeve is located between the upper end and the lower end of the connecting portion on the sleeve, the protective sleeve and the positioning sleeve are integrally located in the external pouring material, the upper end of the connecting portion on the sleeve is flush with the external pouring material, or the upper end of the connecting portion on the sleeve is located in the external pouring material.
7. A replaceable pre-buried anchor according to claim 1, wherein: and shear-resistant studs are fixed on the outer side of the pile casing and are used for being connected with external pouring materials to provide reverse torque.
8. A replaceable pre-buried anchor according to claim 1, wherein: the lower end of the embedded screw is in threaded fit with an embedded base plate and is positioned through a lower positioning nut.
9. A replaceable pre-buried anchor according to claim 1, wherein: the diameters of the internal threads on the upper connecting part and the lower connecting part are the same, and the axial length of the lower connecting part in threaded fit with the embedded screw is larger than that of the upper connecting part in threaded fit with the external screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107936.XA CN111424731B (en) | 2020-02-21 | 2020-02-21 | Replaceable embedded ground anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107936.XA CN111424731B (en) | 2020-02-21 | 2020-02-21 | Replaceable embedded ground anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111424731A true CN111424731A (en) | 2020-07-17 |
| CN111424731B CN111424731B (en) | 2021-01-22 |
Family
ID=71547601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010107936.XA Active CN111424731B (en) | 2020-02-21 | 2020-02-21 | Replaceable embedded ground anchor |
Country Status (1)
| Country | Link |
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| CN (1) | CN111424731B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006288A (en) * | 2021-03-03 | 2021-06-22 | 重庆科技学院 | Integral positioning device for embedded counter-force ground anchor and construction method |
| CN114719130A (en) * | 2022-04-11 | 2022-07-08 | 重庆科技学院 | Anti-sliding ground anchor connecting system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002364071A (en) * | 2001-06-11 | 2002-12-18 | Kaoru Taneichi | Column mounting hardware |
| CN203445512U (en) * | 2013-08-05 | 2014-02-19 | 湖北省电力勘测设计院 | Cable tunnel ground anchor |
| CN203924104U (en) * | 2014-07-02 | 2014-11-05 | 湘电风能有限公司 | A kind of blower foundation |
| CN203960860U (en) * | 2014-07-10 | 2014-11-26 | 湖南科技大学 | A kind of detachable anchoring piece |
| CN105889712A (en) * | 2016-06-03 | 2016-08-24 | 上海筑邦测控科技有限公司 | Pre-embedded assembly of thrust reversing platform |
| CN206090867U (en) * | 2016-09-19 | 2017-04-12 | 广州容柏生建筑结构设计事务所 | Steel construction wall column base quick connect structure |
| CN109103732A (en) * | 2018-07-27 | 2018-12-28 | 成都中机盈科科技有限公司 | A kind of ground connection earth anchor connection method |
| CN110206231A (en) * | 2019-06-20 | 2019-09-06 | 山东建筑大学 | A kind of pipe is connected to reset energy consumption concrete foot joint and method |
| CN110573755A (en) * | 2017-03-02 | 2019-12-13 | 埃杜拉洛克有限责任公司 | Locking fastener with deflectable locking member |
| CN209837025U (en) * | 2019-03-15 | 2019-12-24 | 重庆科技学院 | Ground anchor device for counterforce wall |
-
2020
- 2020-02-21 CN CN202010107936.XA patent/CN111424731B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002364071A (en) * | 2001-06-11 | 2002-12-18 | Kaoru Taneichi | Column mounting hardware |
| CN203445512U (en) * | 2013-08-05 | 2014-02-19 | 湖北省电力勘测设计院 | Cable tunnel ground anchor |
| CN203924104U (en) * | 2014-07-02 | 2014-11-05 | 湘电风能有限公司 | A kind of blower foundation |
| CN203960860U (en) * | 2014-07-10 | 2014-11-26 | 湖南科技大学 | A kind of detachable anchoring piece |
| CN105889712A (en) * | 2016-06-03 | 2016-08-24 | 上海筑邦测控科技有限公司 | Pre-embedded assembly of thrust reversing platform |
| CN206090867U (en) * | 2016-09-19 | 2017-04-12 | 广州容柏生建筑结构设计事务所 | Steel construction wall column base quick connect structure |
| CN110573755A (en) * | 2017-03-02 | 2019-12-13 | 埃杜拉洛克有限责任公司 | Locking fastener with deflectable locking member |
| CN109103732A (en) * | 2018-07-27 | 2018-12-28 | 成都中机盈科科技有限公司 | A kind of ground connection earth anchor connection method |
| CN209837025U (en) * | 2019-03-15 | 2019-12-24 | 重庆科技学院 | Ground anchor device for counterforce wall |
| CN110206231A (en) * | 2019-06-20 | 2019-09-06 | 山东建筑大学 | A kind of pipe is connected to reset energy consumption concrete foot joint and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006288A (en) * | 2021-03-03 | 2021-06-22 | 重庆科技学院 | Integral positioning device for embedded counter-force ground anchor and construction method |
| CN113006288B (en) * | 2021-03-03 | 2022-09-23 | 重庆科技学院 | Integral positioning device for embedded counter-force ground anchor and construction method |
| CN114719130A (en) * | 2022-04-11 | 2022-07-08 | 重庆科技学院 | Anti-sliding ground anchor connecting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111424731B (en) | 2021-01-22 |
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Effective date of registration: 20231024 Address after: 401331 b023, 2f, Zhongchuang building, No. 20, East University Town Road, Shapingba District, Chongqing Patentee after: CHONGQING ZHIRUIYUAN TRAFFIC ENGINEERING TECHNOLOGY CONSULTING Co.,Ltd. Address before: No. 20, East Road, University City, Chongqing, Shapingba District, Chongqing Patentee before: Chongqing University of Science & Technology |
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