CN202298619U - Easily recycled anchor rod device - Google Patents

Easily recycled anchor rod device Download PDF

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Publication number
CN202298619U
CN202298619U CN2011204121331U CN201120412133U CN202298619U CN 202298619 U CN202298619 U CN 202298619U CN 2011204121331 U CN2011204121331 U CN 2011204121331U CN 201120412133 U CN201120412133 U CN 201120412133U CN 202298619 U CN202298619 U CN 202298619U
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CN
China
Prior art keywords
anchor
anchor rod
rod body
hard
recovery
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Expired - Lifetime
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CN2011204121331U
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Chinese (zh)
Inventor
肖玉成
丁洪元
陈洪全
谷丙申
罗丙圣
黄金华
柳文涛
张立华
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Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
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Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
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Priority to CN2011204121331U priority Critical patent/CN202298619U/en
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Publication of CN202298619U publication Critical patent/CN202298619U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to an easily recycled anchor rod device which comprises a recycling bearing mechanism (1), wherein a closed U-shaped blank pipe chamber (18) is arranged in the recycling bearing mechanism (1); one end of a hollow spigot joint (20) is connected with a port of the closed U-shaped blank pipe chamber (18); the other end of the hollow spigot joint (20) is connected with hard casing pipes (3); the hard casing pipes (3) are integrally connected with two slip casting pipes (10) through a limiting frame (12); and one end of an anchor rod body (2) is inserted into one hard casing pipe (3), then passes through the U-shaped blank pipe chamber (18) and finally extends out of the tail end of the other hard casing pipe (3). The easily recycled anchor rod device has the advantages that a pull force is supplied by a material with high tensile strength, such as a wire rope; an anchoring force is supplied by utilizing excellent compressive property of cement paste or cement plaster outside the casing pipes of the anchor rod to convert and transfer the high frictional resistance, which is generated when the anchoring pull force passes through the paste and the deep underground layer, to the deep underground layer; and the paste is under a stressed state, the durability is better and the reliability is higher.

Description

Be prone to reclaim the anchor pole device
Technical field
The utility model relates to the geotechnical engineering technical field, a kind of specifically easy recovery anchor pole device.
Background technology
In recent years, anchoring is widely used in the pattern foundation pit supporting structure of city at home, in economic construction, has brought into play remarkable benefit, reply different geological situation, and various types of anchoring systems continue to bring out.Along with people's strengthens the property right consciousness in underground space day by day, and recoverable anchor rod (rope) technology that does not surmount building line is more and more favored.The carrying out of engineering bound pair recoverable anchor rod (rope) big quantity research, preside over " U " shape reclaiming type anchor bar of development like former Metallurgical Research Institute, Department of Architecture; Resource and environment science institute of University Of Chongqing is to adopting standard, stope drift active workings characteristics, a kind of novel recoverable anchor rod of research and design, and according to roadway surrounding rock pressure size, can adopt single, double anchor head structural shape, the anchor pole rate of recovery can reach 75-90%; The development and production of Shaanxi China coal petrography geotechnique journey technology Co., Ltd the metal recoverable anchor rod; Municipal Construction Engineering Co. No.3 Beijing's utility model hold line formula recoverable anchor rod (CN97200768.7).Recoverable prestressed anchor cable of a kind of pressure dispersing type and pressure-type recoverable prestressed anchor have been developed jointly in Chengdu University of Technology's environment and Architecture and Construction and three of Headquarters of the General Staff engineer scientific researches.Hohai University's Liu Hanlong etc. has been developed a kind of novel recoverable pressure type anchor rod patented technology; Hui Xingtian, Wei Zhengfan introduced a kind of broken ground that is used for, and adopted manpower to be pressed into construction, adopted common electric drill turning power to accomplish during recovery, were used for the spiral spin anchor pole that coal mine roadway temporary lining is used.Ma Jinwei also introduced a kind of open construction environment that is used for, and adopted the down-the-hole drill installation and removal, and the anchor leaf is the recyclable native anchor of self-rotary of equidistant spiral hard material etc.These innovation works are directly saved support material and expense, have promoted the development of recoverable anchor pole (rope) technology in China, and have created better economic and social benefit.
More than these recyclable anchor (bar) ropes all exist some numerous and diverse or reclaimer heavy or recovery time is long or the lower or required recovery power of the rate of recovery is big or reclaim big etc. the defective of the work plane of construction needs to some extent such as reclaiming construction technology.
Summary of the invention
The purpose of the utility model is a kind of easy recovery anchor pole device that required work plane is little, recovery is convenient, the rate of recovery is high of constructing that reclaims of development.
The utility model is prone to reclaim the anchor pole device; Comprise: reclaim load carrier 1; Said recovery load carrier 1 set inside has sealing U type blank pipe chamber 18, and hollow socket and spigot joint 20 1 ends link to each other with the port in sealing U type blank pipe chamber 18, and the other end is connected with hard sleeve 3; Hard sleeve 3 and be linked to be integral body through position-limited rack 12 with two Grouting Pipe 10; Anchor rod body 2 one ends penetrate a hard sleeve 3, then pass U type blank pipe chamber 18, pass from another hard sleeve 3 tail ends at last, hard sleeve 3 afterbodys are provided with anchor plate 6, the tail end of anchor rod body 2 is provided with locking bushing 7.
It is one, two or more that described recovery load carrier 1 set inside has sealing U type blank pipe chamber 18; What the hard sleeve 3 that is attached thereto was also corresponding is a unit, Unit two or multiple-unit; Through position-limited rack 12 be linked to be whole Grouting Pipe 10 corresponding for-to, two pairs or how right.
Said anchor tail end is provided with locking bushing 7; Be the tail end of anchor rod body 2 apart from the end 20-30 centimeters respectively with internal diameter and the supporting radially crimping locking of locking bushing 7 of anchor rod body diameter; Adopt U type hard gasket 9 power transmissions of different-thickness between locking bushing 7 and the anchor plate 6, every unit anchor rod body tail end is furnished with a secondary locking sleeve pipe 8.
In the time of need passing hardpan or be prone to collapse the stratum, hole, said recovery load carrier 1 outside can be equipped with hard taper guiding protective cover 4, and hard taper guiding protective cover 4 is provided with the slurry hole 11 of overflowing.
Said recovery load carrier 1; Comprise: U type blank pipe chamber 18, hard loaded plate 19, hollow socket and spigot joint 20 that anchor rod body 2 can pass smoothly internally; When being reserved in unit anchor pole making, hollow socket and spigot joint 20 1 ends and 18 seamless links of U type tube chamber, the other end closely link to each other with hard sleeve 3.
Said recovery load carrier 1 inboard, anchor rod body 2 outsides can be welded with the spiral bar 5 of auxiliary pressure-bearing.
Said recovery load carrier 1 forms for spliced or clamshell or monoblock cast.Referring to the patent No. is 2,010 20631397.1 patent application, and name is called " a kind of clamshell reclaims and carries set composite ".
Said anchor rod body 2 is the wire rope or the guy anchor body of rod, perhaps the Materials with High Strength that certain flexibility is arranged of other metal material or other synthetic materials formation.
The length of said anchor rod body 2 is the twice of the design anchor pole element length 1-3 rice that extends in addition.
Said hard sleeve 3 can be the assembling of ordinary rigid Thin-Wall PVC pipe merogenesis, and the bundled Thin-Wall PVC pipe that also can be plant produced also can be that other is easy to decompose or be easy to by the synthetic thin-walled hard hollow section of material of secondary destruction directly by the rock-bolt length blanking.
The advantage that the utility model is prone to recovery anchor pole device is:
1, the easy anchoring system that reclaims the formation of anchor pole device of the utility model is a kind of pressure-type anchoring system of force way science; Utilize the high materials such as wire rope of tensile strength that pulling force is provided; Utilize outer cement slurry of anchor pole sleeve pipe or the superior compressive property of cement bonded sand slurry, the anchoring pulling force is passed to deep formation through the high frictional resistance conversion that slurry and deep formation had anchored force is provided; The anchoring section injecting cement paste is in multidirectional pressured state during anchor pole work, and the good resistance to compression supporting capacity of paste materials can obtain more superior performance, and not long usually anchoring section just can provide than the much higher anchored force of common tension type anchor pole; Because slurry is in pressured state; The anchoring section slurry is not drawn and is produced the crack in the time of can not resembling the tension type anchor cable work; The anchoring section leading portion progressively loses earlier anchored force, and the crack is progressively to the deep development then, until whole anchor pole generation progressive failure and failure phenomenon; Durability is better, and is more reliable;
2, the utility model is prone to reclaim the core that the anchor pole device can be selected the diameter coupling according to the anchored force of design demand for use; The recovery pressure-bearing device of the corresponding specification that processing and core diameter are supporting when the anchored force of designing requirement is bigger, also can in position increase by one group of pressure unit; Every hole can be provided with two groups of independently pressure-bearing unit; Form two cell pressure decentralized and be prone to reclaim anchoring system, the design anchored force that is multiplied, applied widely;
Work plane on a large scale when 3, the utility model be prone to reclaim the anchor pole device and reclaims core; Only need maximum two manually-operated work planes of workman to get final product; The rate of recovery is high during the engineering practical application; Be convenient in the reconstruction of the old city town base pit engineering of big and medium-sized cities land used anxiety, promote the use, the novel anchoring system of the utility model core rate of recovery when practical engineering application can reach 100%; Conventional recoverable anchor rod can not appear or recyclable anchor cable regular meeting runs into; Because overall budget maybe can't not provided the recovery operation face to cause; The very low situation of actual recovered rate in the practical applications process, thus the popularization and the development of the recyclable technology of anchor pole (rope) influenced;
Required recovery power was little when 4, the utility model was prone to reclaim anchor pole device recovery core; Recovery speed is fast, need not to install tensioning equipment, need not electricity consumption; Only need manual work to hold hand hammer and cut off pincers; Or a cover oxyacetylene metal-cutting equipment, cutting and cut end locking cover, two workmans cooperate the core recovery operation that can accomplish 20 meters long anchor poles in 20 minutes;
5, the core in the easy recovery of the utility model anchor pole device is in work and removal process, and core damaged degree is little, and still recycle in more shallow anchor hole successively reduces engineering cost, and energy-saving and emission-reduction help the improvement of earth environment;
6, the utility model is prone to reclaim the waste steel wire rope that the anchor pole material also can adopt mine hoisting to use in the anchor pole device, because the safety factor that pit rope requires is high, even wire rope does not damage, also mandatory requirement is every two years changed once; A large amount of second-hand pit ropes is cheap; Utilize its core bar of doing the anchoring temporarily engineering not only can reduce use cost; Owing to be the refuse second use, also can reach the purpose of energy-saving and emission-reduction, be the novel anchor device of a kind of real green, low-carbon (LC), environmental protection, reusable edible;
7, the easy recovery supporting body that reclaims in the anchor pole device of the utility model can utilize nonmetal high-strength synthetic materials casting as far as possible, like this will be littler to the subsequent development influence in contiguous place.
Description of drawings
Fig. 1 a, b, c are the structural representation amplification decomposition figure that the utility model is prone to reclaim the anchor pole device;
Fig. 1 d is the overall structure sketch map that the utility model is prone to reclaim the anchor pole device.
Fig. 2 is prone to the horizontal cross of the recovery load carrier of recovery anchor pole device for the utility model.
Fig. 3 is prone to the vertical sectional view of the recovery load carrier of recovery anchor pole device for the utility model.
The A-A that Fig. 4 be prone to reclaim the anchor pole device for the utility model is to sectional view.
The B-B that Fig. 5 be prone to reclaim the anchor pole device for the utility model is to sectional view.
Fig. 6 be prone to reclaim for the utility model the anchor pole device the recovery load carrier look up structural representation.
Fig. 7 is prone to the plan structure sketch map of the recovery load carrier of recovery anchor pole device for the utility model.
Symbol description among the figure:
1 for reclaiming load carrier, and 2 is anchor rod body, and 3 is hard sleeve, and 4 are hard taper guiding protective cover, and 5 is spiral bar; 6 is anchor plate, and 7 is locking bushing, and 8 is the secondary locking sleeve pipe, and 10 is Grouting Pipe; 11 are the slurry hole of overflowing, and 12 is position-limited rack, and 13 is cement paste or cement mortar, and 14 are anchoring boring; 16 is anchorage bearing, and 18 is U type blank pipe chamber, and 19 is the hard loaded plate, and 20 is hollow socket and spigot joint.
The specific embodiment
Embodiment one
According to Fig. 4,6, shown in 7; A kind of easy recovery anchor pole device comprises: reclaim load carrier 1, said recovery load carrier 1 set inside has sealing U type blank pipe chamber 18; Hollow socket and spigot joint 20 1 ends link to each other with the port in sealing U type blank pipe chamber 18; And the other end is connected with hard sleeve 3, hard sleeve 3 and be linked to be integral body through position-limited rack 12, anchor rod body 2 one ends with two Grouting Pipe 10 penetrate a hard sleeve 3, then pass U type blank pipe chamber 18, pass from another hard sleeve 3 tail ends at last; Hard sleeve 3 afterbodys are provided with anchor plate 6, and the tail end of anchor rod body 2 is provided with locking bushing 7.
It is two that described recovery load carrier 1 set inside has sealing U type blank pipe chamber 18; What the hard sleeve 3 that is attached thereto was also corresponding is Unit two; Through position-limited rack 12 be linked to be whole Grouting Pipe 10 corresponding be two pairs.
Said anchor tail end is provided with locking bushing 7; Be the tail end of anchor rod body 2 apart from the end 20-30 centimeters respectively with internal diameter and the supporting radially crimping locking of locking bushing 7 of anchor rod body diameter; Adopt U type hard gasket 9 power transmissions of different-thickness between locking bushing 7 and the anchor plate 6, every unit anchor rod body tail end is furnished with a secondary locking sleeve pipe 8.
Said recovery load carrier 1 is spliced.
Said anchor rod body 2 is a wire rope.
The length of said anchor rod body 2 extends 2 meters in addition for the twice of design anchor pole element length.
Embodiment two
According to Fig. 5,6, shown in 7; A kind of easy recovery anchor pole device comprises: reclaim load carrier 1, said recovery load carrier 1 set inside has sealing U type blank pipe chamber 18; Hollow socket and spigot joint 20 1 ends link to each other with the port in sealing U type blank pipe chamber 18; And the other end is connected with hard sleeve 3, hard sleeve 3 and be linked to be integral body through position-limited rack 12, anchor rod body 2 one ends with two Grouting Pipe 10 penetrate a hard sleeve 3, then pass U type blank pipe chamber 18, pass from another hard sleeve 3 tail ends at last; Hard sleeve 3 afterbodys are provided with anchor plate 6, and the tail end of anchor rod body 2 is provided with locking bushing 7.
It is one that described recovery load carrier 1 set inside has sealing U type blank pipe chamber 18; What the hard sleeve 3 that is attached thereto was also corresponding is a unit; Through position-limited rack 12 be linked to be whole Grouting Pipe 10 corresponding for-right.
Said anchor tail end is provided with locking bushing 7; Be the tail end of anchor rod body 2 apart from the end 20-30 centimeters respectively with internal diameter and the supporting radially crimping locking of locking bushing 7 of anchor rod body diameter; Adopt U type hard gasket 9 power transmissions of different-thickness between locking bushing 7 and the anchor plate 6, every unit anchor rod body tail end is furnished with a secondary locking sleeve pipe 8.
Said recovery load carrier 1 inboard, anchor rod body 2 outsides are welded with the spiral bar 5 of auxiliary pressure-bearing.
Said recovery load carrier 1 is a clamshell.
Said anchor rod body 2 is the guy anchor body of rod.
The length of said anchor rod body 2 extends 1 meter in addition for the twice of design anchor pole element length.
Embodiment three
Shown in Fig. 1 a, b, c, d, Fig. 2-7; A kind of easy recovery anchor pole device; Comprise: reclaim load carrier 1; Said recovery load carrier 1 set inside has that sealing U type blank pipe chamber 18, two hard sleeves 3 and the hollow socket and spigot joint of carrying recovering mechanism 1 20 are tight to be connected and to be linked to be integral body with two Grouting Pipe 10 through position-limited rack 12, anchor rod body 2 one ends penetrate a hard sleeve 3, then pass U type blank pipe chamber 18, pass from another hard sleeve 3 tail ends at last.
Said hard sleeve 3 afterbodys are provided with anchor plate 6; The tail end of anchor rod body 2 apart from the end 20-30 centimeters respectively with the supporting radially crimping locking of locking bushing 7 of internal diameter and anchor rod body diameter; Adopt U type hard gasket 9 power transmissions of different-thickness between locking bushing 7 and the anchor plate 6, every unit anchor rod body tail end is furnished with a secondary locking sleeve pipe 8.
Said recovery load carrier 1; Comprise: U type blank pipe chamber 18, hard loaded plate 19, hollow socket and spigot joint 20 that anchor rod body 2 can pass smoothly internally; When being reserved in unit anchor pole making, hollow socket and spigot joint 20 1 ends and 18 seamless links of U type tube chamber, the other end closely link to each other with hard sleeve 3.
Said recovery load carrier 1 inboard, anchor rod body 2 outsides are welded with the spiral bar 5 of auxiliary pressure-bearing.
Said recovery load carrier 1 forms for monoblock cast.
Said recovery load carrier 1 outer has hard taper guiding protective cover 4, and hard taper guiding protective cover 4 is provided with the slurry hole 11 of overflowing.
Said anchor rod body 2 is a wire rope.
The length of said anchor rod body 2 extends 3 meters in addition for the twice of design anchor pole element length.

Claims (8)

1. one kind is prone to reclaim the anchor pole device; Comprise: reclaim load carrier (1); It is characterized in that: said recovery load carrier (1) set inside has sealing U type blank pipe chamber (18); Hollow socket and spigot joint (20) one ends link to each other with the port in sealing U type blank pipe chamber (18); And the other end is connected with hard sleeve (3), hard sleeve (3) and be linked to be integral body through position-limited rack (12), anchor rod body (2) one ends with two Grouting Pipe (10) penetrate a hard sleeve (3), then pass U type blank pipe chamber (18), pass from another hard sleeve (3) tail end at last; Hard sleeve (3) afterbody is provided with anchor plate (6), and the tail end of anchor rod body (2) is provided with locking bushing (7).
2. easy recovery anchor pole device according to claim 1 is characterized in that: it is one, two or more that described recovery load carrier (1) set inside has sealing U type blank pipe chamber (18); What the hard sleeve that is attached thereto (3) was also corresponding is a unit, Unit two or multiple-unit; Through position-limited rack (12) be linked to be whole Grouting Pipe (10) corresponding for a pair of, two pairs or how right.
3. easy recovery anchor pole device according to claim 1; It is characterized in that: the tail end of said anchor rod body (2) apart from the end 20-30 centimeters respectively with the supporting radially crimping locking of locking bushing (7) of internal diameter and anchor rod body diameter; Adopt U type hard gasket (9) power transmission of different-thickness between locking bushing (7) and the anchor plate (6), every unit anchor rod body (2) tail end is furnished with a secondary locking sleeve pipe (8).
4. easy recovery anchor pole device according to claim 1 is characterized in that: said recovery load carrier (1) outer has hard taper guiding protective cover (4), and hard taper guiding protective cover (4) is provided with the slurry hole (11) of overflowing.
5. easy recovery anchor pole device according to claim 1 is characterized in that: the spiral bar (5) that said recovery load carrier (1) is inboard, anchor rod body (2) outside is welded with auxiliary pressure-bearing.
6. easy recovery anchor pole device according to claim 1 is characterized in that: said recovery load carrier (1) forms for spliced or clamshell or monoblock cast.
7. easy recovery anchor pole device according to claim 1 is characterized in that: the length of said anchor rod body (2) is the twice of the design anchor pole element length 1-3 rice that extends in addition.
8. easy recovery anchor pole device according to claim 1; It is characterized in that: said anchor tail end is provided with locking bushing (7); Be the tail end of anchor rod body (2) apart from the end 20-30 centimeters respectively with internal diameter and the supporting radially crimping locking of locking bushing (7) of anchor rod body diameter; Adopt U type hard gasket (9) power transmission of different-thickness between locking bushing (7) and the anchor plate (6), every unit anchor rod body tail end is furnished with a secondary locking sleeve pipe (8).
CN2011204121331U 2011-10-26 2011-10-26 Easily recycled anchor rod device Expired - Lifetime CN202298619U (en)

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Application Number Priority Date Filing Date Title
CN2011204121331U CN202298619U (en) 2011-10-26 2011-10-26 Easily recycled anchor rod device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204121331U CN202298619U (en) 2011-10-26 2011-10-26 Easily recycled anchor rod device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392444A (en) * 2011-10-26 2012-03-28 中冶集团武汉勘察研究院有限公司 Easily-recycled anchor rod device and recycling method
CN105089048A (en) * 2015-08-24 2015-11-25 山西省交通科学研究院 Double-end pressure type prestressed anchor cable and anchoring method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392444A (en) * 2011-10-26 2012-03-28 中冶集团武汉勘察研究院有限公司 Easily-recycled anchor rod device and recycling method
CN105089048A (en) * 2015-08-24 2015-11-25 山西省交通科学研究院 Double-end pressure type prestressed anchor cable and anchoring method

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Granted publication date: 20120704