CN108360512B - High tensile anchoring device - Google Patents
High tensile anchoring device Download PDFInfo
- Publication number
- CN108360512B CN108360512B CN201810152421.4A CN201810152421A CN108360512B CN 108360512 B CN108360512 B CN 108360512B CN 201810152421 A CN201810152421 A CN 201810152421A CN 108360512 B CN108360512 B CN 108360512B
- Authority
- CN
- China
- Prior art keywords
- anchor rod
- pawl
- inner cylinder
- groove
- rod
- 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 - Fee Related
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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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0046—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts formed by a plurality of elements arranged longitudinally
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
Abstract
The invention provides a high-tensile-resistance anchoring device which comprises an anchor rod with a tubular structure and a reinforcing component which is arranged on the anchor rod and is used for reinforcing the space between the anchor rod and the stratum; the reinforcing component comprises a pawl, an inner cylinder and a driving rod; the outer side wall of the anchor rod is provided with four grooves along the axial direction, the four grooves are uniformly arranged along the circumferential direction of the outer side wall of the anchor rod, the pawls are rotatably arranged in the grooves through pin shafts, the pawls in the same groove are arranged at equal intervals, the inner driving part extends into the anchor rod and faces the lower end of the anchor rod, and the outer locking part faces the upper end of the anchor rod; the inner cylinder can axially reciprocate along the anchor rod of the anchor rod, the inner driving part of the pawl is clamped in the inner cylinder and drives the pawl to rotate when the inner cylinder reciprocates so that the outer locking part of the pawl extends out of the groove or is embedded into the groove; can make full contact and combine between whole anchor and the stratum, can effectively strengthen the tensile strength between stock and the stratum.
Description
Technical Field
The invention relates to civil equipment, in particular to an anchoring device with high tensile resistance.
Background
The anchor rod is one of important devices in civil construction, is commonly used for reinforcing side slopes and roadways, and is generally divided into an anchoring section and a free end, and the free end often still is provided with an anchor rope for applying tension to the reinforcing part, and the anchoring section is buried in the stratum and bears axial tension through grouting.
Therefore, in order to solve the above technical problems, it is necessary to provide a new solution.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an anchoring device with high tensile strength, which can make the entire anchoring device fully contact and combine with the ground, can effectively enhance the tensile strength between the anchor rod and the ground, and has minimal attenuation of the stability of the anchoring part of the ground along with the lapse of the use time, thereby ensuring the quality of the whole engineering, and has high structural stability and convenient use.
The invention provides a high-tensile-resistance anchoring device which comprises an anchor rod with a tubular structure and a reinforcing component which is arranged on the anchor rod and is used for reinforcing the space between the anchor rod and the stratum;
the reinforcing component comprises a pawl, an inner cylinder and a driving rod;
the outer side wall of the anchor rod is provided with four grooves along the axial direction, the four grooves are uniformly arranged along the circumferential direction of the outer side wall of the anchor rod, the pawls are rotatably arranged in the grooves through pin shafts, the pawls are arranged in the same groove at equal intervals, each pawl is provided with an outer locking part and an inner driving part, the inner driving part extends into the anchor rod and faces the lower end of the anchor rod, and the outer locking part faces the upper end of the anchor rod;
the inner cylinder is coaxially arranged in the anchor rod, the upper end of the inner cylinder is a blind end, a driving rod through hole is coaxially arranged at the bottom of the upper end of the inner cylinder, the driving rod is of a tubular structure, the driving rod penetrates through the driving rod through hole, and a clamping table is arranged on the outer side wall of the lower end of the driving rod;
the inner tube can follow the stock axial reciprocating motion of stock, the interior drive division joint of pawl drives the pawl rotation at the inner tube and drives the outer locking portion of pawl to stretch out the recess or imbed in the recess when inner tube reciprocating motion at the inner tube.
Further, the lateral wall of stock is provided with the bar hole corresponding to the groove, the inner tube lateral wall is provided with bar structure's through-hole corresponding to the groove, the interior drive division of pawl passes the bar hole and stretches into the stock inside and the joint is in the through-hole of inner tube.
Furthermore, a dovetail-shaped sliding groove is axially formed in the inner side wall of the anchor rod corresponding to the groove, a sliding block is arranged on the outer side wall of the inner barrel, and the sliding block is embedded into the sliding groove in a shape fitting mode.
Further, the inner side of the outer locking part of the pawl sinks to form a locking groove.
Further, still include the locking lid, the coaxial shaft hole that is provided with of locking lid, the upper end screw-thread fit of shaft hole and actuating lever, the skirt section and the stock upper end tip lateral wall screw-thread fit of locking lid, the skirt section of locking lid still is provided with and is used for locking the bolt at the stock with the locking lid, and the bottom outside that is located the locking lid is provided with actuating lever lock nut.
Further, the stock overcoat has only to starch stopper, nut and backing plate, the backing plate is located the nut and ends between the thick liquid stopper and the nut is located the backing plate top, only starch stopper, nut and backing plate set up between recess and locking lid.
Further, the lower extreme tip of stock is provided with the anchor head, the lateral wall of anchor head is corrugated surface structure.
The invention has the beneficial effects that: the invention can make the whole anchoring device fully contact and combine with the stratum, can effectively enhance the tensile strength between the anchor rod and the stratum, and has the advantage of little stability attenuation of the anchoring part of the stratum along with the lapse of the using time, thereby ensuring the quality of the whole engineering, and the invention has high structural stability and convenient use.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the anchor rod structure of the present invention.
Detailed Description
The invention is described in further detail with reference to the drawings in the specification, in fig. 2, structures such as a backing plate, an anchoring block and the like are omitted for clearly seeing the structure outside the anchor rod, as shown in the drawings:
the invention provides a high-tensile-resistance anchoring device, which comprises an anchor rod 4 with a tubular structure and a reinforcing component which is arranged on the anchor rod and is used for reinforcing the space between the anchor rod and the stratum;
the reinforcing component comprises a pawl, an inner cylinder 15 and a driving rod 1; as shown in fig. 1, the outer locking portion 10 and the inner drive portion 12 allow the entire pawl to be z-shaped,
the outer side wall of the anchor rod 4 is provided with four grooves 21 along the axial direction, the four grooves 21 are uniformly arranged along the circumferential direction of the outer side wall of the anchor rod 4, the pawls are rotatably arranged in the grooves 21 through pin shafts 11, the pawls are a plurality of and are arranged in the same groove 21 at equal intervals, each pawl is provided with an outer locking part 10 and an inner driving part 12, the inner driving part 12 extends into the anchor rod 4 and faces the lower end of the anchor rod 4, and the outer locking part 10 faces the upper end of the anchor rod 4;
the inner cylinder 15 is coaxially arranged in the anchor rod 4, the upper end of the inner cylinder 15 is a blind end, a driving rod through hole is coaxially arranged at the bottom of the upper end of the inner cylinder, the driving rod 1 is of a tubular structure, the driving rod 1 penetrates through the driving rod through hole, and a clamping table 16 is arranged on the outer side wall of the lower end of the driving rod; the lower end of the driving rod is provided with an early warning nut 18 which is in threaded fit with the outer side wall of the lower end of the driving rod, and the driving rod is locked on the inner cylinder through the action of the early warning nut and the clamping table;
the inner cylinder 15 can axially reciprocate along the anchor rod 4 of the anchor rod 4, the inner driving part 12 of the pawl is clamped in the inner cylinder 15 and drives the pawl to rotate when the inner cylinder reciprocates so that the outer locking part 10 of the pawl extends out of the groove 21 or is embedded into the groove 21; wherein, the groove 21 is formed by combining two fixing plates 8, the fixing plates are welded on the outer side wall of the anchor rod, and the lower end in the embodiment refers to one end of the anchor rod inserted into the ground, namely the lower end shown in fig. 1; through the structure, when the anchor rod is inserted into the stratum, the inner barrel is pushed downwards through the driving rod, so that the outer locking part of the pawl is limited in the groove, when the anchor rod is inserted into the stratum, the driving rod is pulled outwards, the inner barrel drives the pawl to rotate, the outer locking part of the pawl extends out of the anchor rod and enables the locking groove to be upward, then cement slurry is injected into the anchor hole through the driving rod of the tubular structure, after the cement slurry is solidified, the whole anchoring device is firmly combined with the stratum, even if the anchoring area vibrates, the anchoring stability can be ensured, and the combination degree between the anchoring device and the stratum can be effectively improved; and the inner cylinder structure can make the whole in-process cheap volume little, and the structure is more reliable and more stable.
In this embodiment, the lateral wall of stock 4 is provided with bar hole 13 corresponding to recess 21 department, the through-hole 14 that the inner tube 15 lateral wall is provided with bar structure corresponding to recess 21 department, the interior drive portion 12 of pawl passes bar hole 13 and stretches into inside and the joint of stock 4 in the through-hole 14 of inner tube 15, through this kind of structure, in case the actuating lever is locked, so whole pawl is locked under the combined action of bar hole and through-hole, even the reinforcing region vibration appears, can not cause the pawl to take place the displacement yet to effectively guarantee the stability of whole structure.
In this embodiment, a dovetail-shaped sliding groove 22 is axially formed in the inner side wall of the anchor rod 4 corresponding to the groove 21, a sliding block 23 is arranged on the outer side wall of the inner cylinder 15, and the sliding block 23 is embedded in the sliding groove 22 in a form-fitting manner; through this kind of structure, do benefit to the inner tube and can stabilize the action, can not take place circumferential motion in the stock to be favorable to fixing the pawl, more importantly through this kind of structure, prevent that the inner tube from producing circumferential motion and constituting the shearing force to the pawl, thereby ensure the structural strength of pawl.
In this embodiment, the inner side of the external locking part 10 of the pawl sinks to form the locking groove 9, and by means of the structure, the contact area between the pawl and the ground layer can be increased, and the stability of the whole reinforcing structure is improved, wherein the inner side of the external locking part, namely the side, facing the outer side of the anchor rod, of the external locking part when the external locking part is in the groove, is shown in fig. 1.
In this embodiment, still include locking lid 2, the coaxial shaft hole that is provided with of locking lid 2, the upper end screw-thread fit of shaft hole and actuating lever, the skirt section of locking lid 2 and 4 upper end tip lateral wall screw-thread fits of stock, the skirt section of locking lid 2 still is provided with and is used for locking 2 bolts 3 at stock 4, and the bottom outside that is located locking lid 2 is provided with actuating lever lock nut 20, through this kind of structure, does benefit to and carries out good locking to the actuating lever to carry out good fixed to the pawl.
In this embodiment, the stock overcoat has only thick liquid stopper 7, nut 5 and backing plate 6, backing plate 6 is located the nut 5 and only fills between the stopper 7 and the nut 5 is located backing plate 6 top, only thick liquid stopper, nut and backing plate set up between recess and locking lid, through this kind of structure, do benefit to and exert prestressing force to whole stock, ensure reinforced structure's stability.
In this embodiment, an anchor head 16 is disposed at the lower end of the anchor rod 4, and the outer side wall of the anchor head 16 is of a corrugated surface structure; through this kind of structure, can strengthen the bonding degree between the whole and the stratum of anchor to promote stability and tensile strength.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (3)
1. A high-tensile anchoring device, characterized in that: the reinforcing component is arranged on the anchor rod and is used for reinforcing the space between the anchor rod and the ground layer;
the reinforcing component comprises a pawl, an inner cylinder and a driving rod;
the outer side wall of the anchor rod is provided with four grooves along the axial direction, the four grooves are uniformly arranged along the circumferential direction of the outer side wall of the anchor rod, the pawls are rotatably arranged in the grooves through pin shafts, the pawls are arranged in the same groove at equal intervals, each pawl is provided with an outer locking part and an inner driving part, the inner driving part extends into the anchor rod and faces the lower end of the anchor rod, and the outer locking part faces the upper end of the anchor rod;
the inner cylinder is coaxially arranged in the anchor rod, the upper end of the inner cylinder is a blind end, a driving rod through hole is coaxially arranged at the bottom of the upper end of the inner cylinder, the driving rod is of a tubular structure, the driving rod penetrates through the driving rod through hole, and a clamping table is arranged on the outer side wall of the lower end of the driving rod;
the inner cylinder can axially reciprocate along the anchor rod of the anchor rod, the inner driving part of the pawl is clamped in the inner cylinder and drives the pawl to rotate when the inner cylinder reciprocates so that the outer locking part of the pawl extends out of the groove or is embedded into the groove;
a strip-shaped hole is formed in the side wall of the anchor rod corresponding to the groove, a through hole of a strip-shaped structure is formed in the side wall of the inner cylinder corresponding to the groove, and an inner driving portion of the pawl penetrates through the strip-shaped hole to extend into the anchor rod and is clamped in the through hole of the inner cylinder;
a dovetail-shaped sliding groove is axially formed in the inner side wall of the anchor rod corresponding to the groove, a sliding block is arranged on the outer side wall of the inner barrel, and the sliding block is embedded into the sliding groove in a shape-fitting manner;
the inner side of the outer locking part of the pawl sinks to form a locking groove;
still include the locking lid, the coaxial shaft hole that is provided with of locking lid, the upper end screw-thread fit of shaft hole and actuating lever, the skirt section and the stock upper end tip lateral wall screw-thread fit of locking lid, the skirt section of locking lid still is provided with and is used for the bolt of locking lid locking at the stock, and the bottom outside that is located the locking lid is provided with actuating lever lock nut.
2. The high-tensile anchoring device according to claim 1, wherein: the stock overcoat has only to starch stopper, nut and backing plate, the backing plate is located the nut and ends between the thick liquid stopper and the nut is located the backing plate top, only starch stopper, nut and backing plate set up between recess and locking lid.
3. The high-tensile anchoring device according to claim 1, wherein: the anchor rod is characterized in that an anchor head is arranged at the end part of the lower end of the anchor rod, and the outer side wall of the anchor head is of a corrugated surface structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810152421.4A CN108360512B (en) | 2018-02-14 | 2018-02-14 | High tensile anchoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810152421.4A CN108360512B (en) | 2018-02-14 | 2018-02-14 | High tensile anchoring device |
Publications (2)
Publication Number | Publication Date |
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CN108360512A CN108360512A (en) | 2018-08-03 |
CN108360512B true CN108360512B (en) | 2020-10-30 |
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CN201810152421.4A Expired - Fee Related CN108360512B (en) | 2018-02-14 | 2018-02-14 | High tensile anchoring device |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109458203B (en) * | 2019-01-15 | 2023-11-07 | 辽宁工程技术大学 | Self-fixing early warning anchor rod and use method |
CN110295594A (en) * | 2019-06-19 | 2019-10-01 | 新汶矿业集团有限责任公司 | A kind of finned high power anchor bolt and its installation method |
CN110159330B (en) * | 2019-06-28 | 2020-10-20 | 招远市灵山金矿 | Tensioning locking anchor rod |
CN112962625B (en) * | 2021-03-24 | 2022-08-16 | 上海瀛盛市政工程有限公司 | Foundation pit supporting structure |
CN114542142A (en) * | 2022-01-11 | 2022-05-27 | 武汉大学 | Self-locking large-deformation energy-absorbing anchor rod and anchor rod device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254597A (en) * | 1979-08-15 | 1981-03-10 | Allied Surveyor Supplies Manufacturing Co. | Sectionalized driven rod |
CN2622392Y (en) * | 2003-05-19 | 2004-06-30 | 上海禧龙工程安装有限公司 | Hollow high strength anchor-bolt grouting anchorage piece |
CN100572684C (en) * | 2007-12-05 | 2009-12-23 | 中国科学院地质与地球物理研究所 | Deep-thick earth-rock aggregate pawl type blasting anchor device |
CN202851030U (en) * | 2012-09-04 | 2013-04-03 | 高原 | External injection type and expansion shell type hollow resin anchor bar |
CN206859217U (en) * | 2017-06-24 | 2018-01-09 | 南京金宸建筑设计有限公司 | A kind of enhanced Pulling-Resistant Anchor Rod |
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2018
- 2018-02-14 CN CN201810152421.4A patent/CN108360512B/en not_active Expired - Fee Related
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TA01 | Transfer of patent application right |
Effective date of registration: 20200930 Address after: 1168 Mohe Road, Baoshan District, Shanghai, 201999 Applicant after: SHANGHAI URBAN CONSTRUCTION VOCATIONAL College Address before: 402247 No. 401 Fuyun Avenue, Shuang Fu Street, Jiangjin District, Chongqing, 3 No. 9-4 Applicant before: CHONGQING ENGUANG TECHNOLOGY Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20210214 |