CN201411689Y - Expansion type anchoring pile - Google Patents

Expansion type anchoring pile Download PDF

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Publication number
CN201411689Y
CN201411689Y CN2009203029542U CN200920302954U CN201411689Y CN 201411689 Y CN201411689 Y CN 201411689Y CN 2009203029542 U CN2009203029542 U CN 2009203029542U CN 200920302954 U CN200920302954 U CN 200920302954U CN 201411689 Y CN201411689 Y CN 201411689Y
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CN
China
Prior art keywords
expansion
anchoring
expansion sleeve
sleeve
expansion type
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.)
Expired - Lifetime
Application number
CN2009203029542U
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Chinese (zh)
Inventor
赵善德
余汉生
旷云光
黄树军
唐莉
赵丽娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China 19th Metallurgical Group Co ltd
Original Assignee
MCC Shijiu Construction Co Ltd
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Priority to CN2009203029542U priority Critical patent/CN201411689Y/en
Application granted granted Critical
Publication of CN201411689Y publication Critical patent/CN201411689Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides an expansion type anchoring pile for slope protection execution, which conquers the defects of the prior anchoring piece, especially the defects of the expansion type anchoring piece, comprising a screw (5), an outer cone (1) on one end of the screw (5), a nut (6) on another end of the screw (5), an expansion sleeve (2) between the nut (6) and the outer cone (1), whereinone end of the nut (6) of the expansion sleeve (2) is sealed by an end cover (23) and an overflow structure is arranged on a wall (21) of the expansion sleeve (2). The mortar in the overflow structure overflows into the clearance between the pile and the rock bore and the expansion type anchoring make the anchoring force big to achieve the requirement of the architecture such as slope on anchoring strength. The expansion type anchoring piles are prefabricated in batch by different purposes and model numbers, thus the operation is simple and convenient at construction site and the constructionefficiency is increased. The expansion type anchoring pile is suitable for anchoring the slope with high anchoring strength requirement.

Description

The expansion type anchor pile
Technical field
The utility model relates to a kind of anchoring piece, connects the expansion type anchor pile of rock mass in especially a kind of side slope protection.
Background technology
At present, expansion bolt is adopted in the anchoring operation usually, expansion bolt comprises the expansion sleeve between nut, nut and the cone of expansion cone, the screw rod other end of screw rod, screw rod one end, and expansion sleeve is provided with dilatation joint, during installation, accomplish fluently installing hole earlier, then collided gudgeon is installed in the installing hole, locking nut, the expansion cone by the screw rod other end makes the expansion sleeve dilatancy, expansion cone, expansion sleeve are embedded install in the hole wall, thus the purpose of realization anchoring.
But in as building structure such as side slope protections, because expansion bolt tightens near having only the bottom expansion cone, can there be the gap between expansion sleeve and the crag, and the gap between expansion sleeve and the crag is very little, can't carry out grouting operation, so anchored force is not enough to satisfy the requirement of building structure to anchoring strength.Thereby at present, carry out the anchoring operation by the cast-in-site anchor pile usually, will need the rock body drilled of anchoring earlier with drilling machine, after forming hole, the reinforcing cage that colligation in advance is good is put into installing hole, pours into a mould mortar then in installing hole, and mortar solidifies the back and forms anchor pile.But owing to need single anchor pile to construct, constructing operation is loaded down with trivial details, efficient is low.
The utility model content
In order to overcome deficiency, the especially deficiency of expansion type anchoring piece of existing anchoring piece, technical problem to be solved in the utility model provides a kind of expansion type anchor pile that can be used for the side slope protection construction.
The technical scheme that its technical problem that solves the utility model adopts is: the expansion type anchor pile, comprise the expansion sleeve between nut, nut and the Outer Taper of Outer Taper, the screw rod other end of screw rod, screw rod one end, nut one end of described expansion sleeve seals by end cap, and the wall of expansion sleeve is provided with and overflows structure.
The beneficial effects of the utility model are: during construction, earlier mortar is filled in expansion type anchor pile of the present utility model inside, anchor pile one end seals an end by end cap and seals by Outer Taper, pack into then in the installing hole of accomplishing fluently in advance, be equipped with one deck mortar in the hole in advance, locking nut is further strained by screw rod, force expansion sleeve to expanding all around, Outer Taper and expansion sleeve embed in the wall of installing hole, the mortar that is contained in simultaneously in the stake overflows by overflowing structure under the Outer Taper squeezing action, the gap between the wall of sealing expansion sleeve and the wall of installing hole.Compare with traditional expansion bolt, the gap between the wall that it can be by overflowing the filled with mortar expansion sleeve and the wall of installing hole, by the mortar anchoring, anchored force can reach the requirement of building structure such as side slope protection to anchoring strength greatly in by the expansion anchoring.Compare with traditional anchor pile, by a minute purposes, that the branch model is carried out batch is prefabricated, can make the job site convenient and simple for operation, thereby improve efficiency of construction.
In order further to prevent the interference between Outer Taper and the installing hole, be provided with the wedge-shaped sleeve on the wall that is fixed on expansion sleeve between described expansion sleeve and the Outer Taper, described wedge-shaped sleeve comprises three to four uniform wedges.
In order further to force the mortar in the stake to overflow, the screw rod in the described expansion sleeve cavity is provided with at least one inner cone.
Description of drawings
Fig. 1 is an axial sectional view of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, shown in Figure 3, expansion type anchor pile of the present utility model, comprise the expansion sleeve 2 between nut 6, nut 6 and the Outer Taper 1 of Outer Taper 1, screw rod 5 other ends of screw rod 5, screw rod 5 one ends, nut 6 one ends of described expansion sleeve 2 are by end cap 23 sealings, and the wall 21 of expansion sleeve 2 is provided with and overflows structure.
During construction, earlier mortar is filled in expansion type anchor pile of the present utility model inside, anchor pile one end seals by Outer Taper 1 by the end cap 23 sealing other ends, pack into then in the installing hole of accomplishing fluently in advance, be equipped with one deck mortar in the hole in advance, locking nut 6 is further strained by screw rod 5, force expansion sleeve 2 to expanding all around, Outer Taper 1 and expansion sleeve 2 embed in the wall of installing hole, the mortar that is contained in simultaneously in the stake overflows by overflowing structure under Outer Taper 1 squeezing action, the gap between the wall 21 of sealing expansion sleeve 2 and the wall of installing hole.Compare with traditional expansion bolt, gap between the wall 21 that it can be by overflowing filled with mortar expansion sleeve 2 and the wall of installing hole, by the mortar anchoring, anchored force can reach the requirement of building structure such as side slope protection to anchoring strength greatly in by the expansion anchoring.Compare with traditional anchor pile, by a minute purposes, that the branch model is carried out batch is prefabricated, can make the job site convenient and simple for operation, thereby improve efficiency of construction.
The described structure of overflowing can be circular hole, square hole, bar-shaped trough, cross recess etc., and its arrangement mode also can be axially, circumferentially, axially to add forms such as circumferential or spiral.Concrete, the described structure overfolw hole 22 that overflows is filled gap between wall for the interior mortar of stake can be extruded uniformly, and concrete, overfolw hole 22 axially is provided with nine circles altogether along expansion sleeve 2 in the present embodiment, and every circle is along circumferentially being provided with seven.And the size of overfolw hole, quantity, distribution can be provided with according to real needs.
The end cap 23 and the wall 21 of described expansion sleeve 2 are monolithic constructions.And when the anchor pile size strengthened, owing to fill mortar in it, erection weight is convenient installed in order to alleviate, and end cap and wall also can be detachable, at first anchor pile are installed in the installing hole, open end cap, cast mortar, closed end cap again behind the casting complete.
Owing to need Outer Taper 1 to force expansion sleeve 2 dilatancies, therefore need be with the internal diameter greater than expansion sleeve 2 of Outer Taper 1 base diameter setting, and may cause Outer Taper 1 when mounted and the interference between the installing hole like this, cause difficulty is installed, just need to increase the installing hole aperture and install for convenience, but increase the installing hole aperture and may reduce anchored force, therefore in order in convenient the installation, to guarantee anchored force, be provided with the wedge-shaped sleeve 3 on the wall 21 that is fixed on expansion sleeve 2 between described expansion sleeve 2 and the Outer Taper 1, described wedge-shaped sleeve 3 comprises three to four uniform wedges 31.
Outer Taper 1 forces expansion sleeve 2 distortion by wedge-shaped sleeve 3, thereby avoided the interference between Outer Taper 1 and the installing hole, made things convenient for installation, and can further increase the deflection of expansion sleeve 2 in the tension process by wedge-shaped sleeve 3, from under the prerequisite that guarantees anchored force, can also strengthen anchored force.
Described wedge-shaped sleeve 3 comprises that three to four uniform wedges 31 are in order to be out of shape and stressed symmetry, concrete, wedge-shaped sleeve 3 comprises circumferentially uniform wedge 31 of four edges in the present embodiment, thereby each wedge 31 tops link to each other by back-up ring 32 and constitute wedge-shaped sleeve 3, and are fixed on by back-up ring 32 on the wall 21 of expansion sleeve 2.
In order further to force the mortar in the stake to overflow, especially when anchor pile length was big, the screw rod 5 in described expansion sleeve 2 cavitys was provided with at least one inner cone 4, and its quantity is relevant with the length of stake.Concrete, be provided with an inner cone 4 in the present embodiment.
In order further to strengthen anchored force, be provided with wedge-shaped sleeve 3 between described expansion sleeve 2 and the inner cone 4, thereby force expansion sleeve 2 middle parts also to produce dilatancy, increase expansion sleeve 2 and embedded the part of rock mass, thereby strengthened anchored force.
For suitable with the installing hole of accomplishing fluently in advance, in the present embodiment, expansion 2 is cylindrical, and Outer Taper 1, inner cone 4 shapes all are the taper shapes that adapts with expansion sleeve 2 shapes, and shell expansion sleeve 2, Outer Taper 1, inner cone 4, wedge-shaped sleeve 3 also can adopt polygon certainly.
Compare with traditional anchor pile, anchor pile of the present utility model is simple except constructing, convenient, efficient high, also have anchored force big, can be used for the narrower advantages such as place in construction plant.And compare with traditional expansion bolt, the gap between the wall that it can be by overflowing the filled with mortar expansion sleeve and the wall of installing hole, by the mortar anchoring, anchored force can reach the requirement of building structure such as side slope protection to anchoring strength greatly in by the expansion anchoring.

Claims (6)

1. expansion type anchor pile, comprise the expansion sleeve (2) between nut (6), nut (6) and the Outer Taper (1) of Outer Taper (1), screw rod (5) other end of screw rod (5), screw rod (5) one ends, it is characterized in that: nut (6) one ends of described expansion sleeve (2) are by end cap (23) sealing, and the wall (21) of expansion sleeve (2) is provided with and overflows structure.
2. expansion type anchor pile as claimed in claim 1 is characterized in that: the described structure of overflowing is overfolw hole (22).
3. expansion type anchor pile as claimed in claim 2 is characterized in that: the end cap (23) and the wall (21) of described expansion sleeve (2) are monolithic constructions.
4. as claim 1,2 or 3 described expansion type anchor piles, it is characterized in that: be provided with the wedge-shaped sleeve (3) on the wall (21) that is fixed on expansion sleeve (2) between described expansion sleeve (2) and the Outer Taper (1), described wedge-shaped sleeve (3) comprises three to four uniform wedges (31).
5. expansion type anchor pile as claimed in claim 4 is characterized in that: the screw rod (5) in described expansion sleeve (2) cavity is provided with at least one inner cone (4).
6. expansion type anchor pile as claimed in claim 5 is characterized in that: be provided with wedge-shaped sleeve (3) between described expansion sleeve (2) and the inner cone (4).
CN2009203029542U 2009-05-08 2009-05-08 Expansion type anchoring pile Expired - Lifetime CN201411689Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009203029542U CN201411689Y (en) 2009-05-08 2009-05-08 Expansion type anchoring pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009203029542U CN201411689Y (en) 2009-05-08 2009-05-08 Expansion type anchoring pile

Publications (1)

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CN201411689Y true CN201411689Y (en) 2010-02-24

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102839662A (en) * 2012-09-26 2012-12-26 上海强劲地基工程股份有限公司 Recyclable reinforcement stiffening pile with multiple anchor heads for foundation pit supporting
CN104818723A (en) * 2015-05-07 2015-08-05 重庆交通大学 Anti-sliding pile for slope support
CN105986572A (en) * 2015-03-01 2016-10-05 方军 Self-locking type pull-resisting anchor head
CN108278038A (en) * 2017-12-19 2018-07-13 合肥草木蕃景生态科技有限公司 A kind of garden landscape plant guardrail and its installation method
CN108757943A (en) * 2018-08-20 2018-11-06 烟台盛利达工程技术有限公司 Inside and outside sleeve sealer with assembled
CN109989975A (en) * 2019-03-28 2019-07-09 王萍 It is a kind of for being mounted on the expansion swivel nut of construction wall

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102839662A (en) * 2012-09-26 2012-12-26 上海强劲地基工程股份有限公司 Recyclable reinforcement stiffening pile with multiple anchor heads for foundation pit supporting
CN105986572A (en) * 2015-03-01 2016-10-05 方军 Self-locking type pull-resisting anchor head
CN104818723A (en) * 2015-05-07 2015-08-05 重庆交通大学 Anti-sliding pile for slope support
CN104818723B (en) * 2015-05-07 2016-07-27 重庆交通大学 Slope retaining friction pile
CN108278038A (en) * 2017-12-19 2018-07-13 合肥草木蕃景生态科技有限公司 A kind of garden landscape plant guardrail and its installation method
CN108278038B (en) * 2017-12-19 2020-05-26 兴丰建设景观有限公司 Landscape plant guardrail and installation method thereof
CN108757943A (en) * 2018-08-20 2018-11-06 烟台盛利达工程技术有限公司 Inside and outside sleeve sealer with assembled
CN109989975A (en) * 2019-03-28 2019-07-09 王萍 It is a kind of for being mounted on the expansion swivel nut of construction wall
CN109989975B (en) * 2019-03-28 2020-07-07 广东珠江工程总承包有限公司 Expansion screw sleeve for being installed on building wall

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CHINA 19TH METALLURGICAL CORPORATION

Free format text: FORMER OWNER: MCC SHIJIU CONSTRUCTION CO., LTD.

Effective date: 20110317

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 617000 MCC SHIJIU CONSTRUCTION CO., LTD., NO. 350, RENMIN STREET, PANZHIHUA CITY, SICHUAN PROVINCE TO: 617000 NO. 350, RENMIN STREET, EAST DISTRICT, PANZHIHUA CITY, SICHUAN PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20110317

Address after: 617000 Panzhihua, Sichuan, East Street, No. 350

Patentee after: CHINA 19TH METALLURGICAL GROUP Co.,Ltd.

Address before: 617000, Sichuan province Panzhihua City People's Street No. 350 MCC Long Construction Co., Ltd.

Patentee before: MCC SHIJIU CONSTRUCTION Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100224