CN111501799B - Anchor rod mechanism for slope protection - Google Patents
Anchor rod mechanism for slope protection Download PDFInfo
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- CN111501799B CN111501799B CN202010379295.3A CN202010379295A CN111501799B CN 111501799 B CN111501799 B CN 111501799B CN 202010379295 A CN202010379295 A CN 202010379295A CN 111501799 B CN111501799 B CN 111501799B
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- anchor rod
- sliding
- block
- wedge block
- casing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- 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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- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an anchor rod mechanism for slope protection, wherein an anchor rod is inserted into an anchor rod casing, a precession thread is arranged on the outer wall of the anchor rod casing, a sliding wedge block is slidably arranged in each sliding hole of the anchor rod casing, a limiting block is fixedly arranged on the inner wall of the anchor rod casing, an extrusion wedge block is fixedly arranged on the outer wall of the anchor rod, the outer side inclined plane of the extrusion wedge block is matched with the inner side inclined plane of the sliding wedge block, and a rotating clearance is reserved between the left side and the right side of the extrusion wedge block and the adjacent limiting block; outside the stock cover shell was stretched to the upper end of stock, the upper end of stock was overlapped in proper order and is equipped with shock attenuation gasket and nut, still installs the fixed block on the end of stock. After the device is installed, the friction force between the device and rock soil is large, sliding or falling is not easy to generate, and looseness caused by vibration can be avoided.
Description
Technical Field
The invention belongs to the technical field of slope protection, and particularly relates to an anchor rod mechanism for slope protection.
Background
The side slope engineering is an important part in the current engineering construction activities, and the lattice beam anchoring structure support is used as a novel side slope reinforcement protection method, can effectively ensure the stability of a side slope aiming at the characteristics of easiness in collapse, sliding and the like of various side slopes, so that the method is widely applied. Traditional slope support uses the stock to anchor usually, and ordinary stock inserts behind the stratum and the ground between frictional force less, produces easily and slides and drops even, and secondly the vibrations that produce in the work progress can make the stock receive vibrations and lead to becoming flexible, influence the effect of anchor and slope support.
Disclosure of Invention
In view of the above circumstances, the present invention aims to provide an anchor rod mechanism for slope protection, which has a large friction force with rock soil after installation, is not easy to slide or fall off, and can avoid looseness caused by vibration.
Therefore, the technical scheme adopted by the invention is as follows: a side slope protection anchor rod mechanism comprises an anchor rod, wherein the anchor rod is inserted into an anchor rod casing, precession threads are arranged on the outer wall of the anchor rod casing, a plurality of sliding holes which are uniformly distributed in the circumferential direction are formed in the side wall of the anchor rod casing, a sliding wedge block is slidably mounted in each sliding hole, a plurality of limiting blocks which are uniformly distributed in the circumferential direction are fixedly arranged on the inner wall of the anchor rod casing, each limiting block is arranged between the two sliding holes in the middle, a plurality of extrusion wedge blocks which are uniformly distributed in the circumferential direction are fixedly arranged on the outer wall of the anchor rod, the extrusion wedge blocks are arranged in one-to-one correspondence with the sliding wedge blocks, the outer side inclined planes of the extrusion wedge blocks are matched with the inner side inclined planes of the sliding wedge blocks, and rotating clearance is reserved between the left side and the right side of each extrusion wedge block and the adjacent limiting block; the upper end of the anchor rod extends out of the anchor rod casing, a damping gasket and a nut are sequentially sleeved at the upper end of the anchor rod, the profile of the damping gasket is larger than the outer diameter of the anchor rod casing and is screwed on the anchor rod casing through the nut, and a fixing block is further mounted on the end head of the anchor rod; when the fixed block is rotated, the anchor rod and the anchor rod casing are screwed into rock soil together, the nut is screwed outwards to drive the anchor rod to rotate, the extrusion wedge block pushes the sliding wedge block to transversely extend and insert into the rock soil, and the extrusion wedge block stops rotating when the extrusion wedge block rotates to be in contact with the limiting block.
Preferably, an annular groove is formed above the vibration reduction gasket, a cushion rubber pad is arranged in the annular groove, a flat pad is arranged between the nut and the cushion rubber pad, and the diameters of the cushion rubber pad and the flat pad are larger than that of the nut. And a cushion rubber pad is additionally arranged to further cushion vibration generated in the construction process.
Preferably, a plurality of groups of sliding wedges, extruding wedges and limiting blocks are arranged at intervals up and down along the axial direction of the anchor rod, and the stress is uniform and stable along the axial direction of the anchor rod.
Further preferably, the sliding wedge block is a rectangular block, the extrusion wedge block and the limiting block are arc-shaped blocks, the structure is optimized, the arrangement is convenient, and the stress area is increased.
Further preferably, the upper end of fixed block is the arcwall face, and adhesive connection has a sponge layer on the arcwall face, and the setting of wrapping up the sponge layer outside the arcwall face can avoid personnel to collide the fixed block, plays safety protection's effect.
Further preferably, the lower end of the anchor rod casing is a conical head, so that the anchor rod casing can be conveniently inserted into rock and soil.
The invention has the beneficial effects that:
(1) the side wall of the anchor rod casing is provided with the sliding hole, the sliding wedge block is arranged in the sliding hole, and the sliding wedge block is transversely pushed out and inserted into rock and soil around the anchor rod casing through the extrusion wedge block, so that the friction force between the anchor rod casing and the rock and soil can be effectively increased, and the possibility that the anchor rod casing slides or even falls off is avoided;
(2) shock-absorbing pad's setting has increased the supporting scope of stock, the ground around the stock receives shock-absorbing pad's squeezing action can be more stable, cushion rubber pad has buffering effect and certain deformation resilience, through be provided with cushion rubber pad between shock-absorbing pad and nut, cushion rubber pad cushions the vibrations that shock-absorbing pad received, the not hard up possibility of nut has been avoided, consequently, shock-absorbing pad can tightly laminate and extrude on the surface of ground, the effect of strutting of this device has effectively been improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-3, an anchor rod mechanism for slope protection mainly comprises an anchor rod 1, an anchor rod casing 2, a sliding wedge 3, an extrusion wedge 4, a limiting block 5, a damping gasket 6, a nut 7, a cushion rubber pad 8, a flat pad 9 and a fixing block 10.
The lower end of the anchor rod casing 2 is preferably a conical head, and the interior of the anchor rod casing 2 is provided with an opening for inserting the anchor rod 1, and the anchor rod 1 is inserted into the anchor rod casing 2. A screw thread 2a is provided on the outer wall of the anchor rod casing 2. The setting of conical head is convenient more during inserting anchor rod cover 2 into ground, and the setting of precession screw thread 2a makes anchor rod cover 2 can rotate the limit and go deep into the ground.
The side wall of the anchor rod casing 2 is provided with a plurality of sliding holes 2b which are uniformly distributed in the circumferential direction. Each sliding hole 2b is internally provided with a sliding wedge 3 in a sliding way, and the sliding wedge 3 can radially slide outwards and transversely extend outwards to be inserted into rock soil under the action of external force. The inner wall of the anchor rod casing 2 is fixedly provided with a plurality of limit blocks 5 which are uniformly distributed in the circumferential direction, and each limit block 5 is arranged between the two sliding holes 2a in the middle.
The outer wall of the anchor rod 1 is fixedly provided with a plurality of extrusion wedge blocks 4 which are uniformly distributed on the circumference, and the extrusion wedge blocks 4 are arranged in one-to-one correspondence with the sliding wedge blocks 3.
Preferably, a plurality of sets of sliding wedges 3, extruding wedges 4 and limiting blocks 5 are arranged at intervals up and down along the axial direction of the anchor rod 1. The outer side inclined plane of the extrusion wedge block 4 is matched with the inner side inclined plane of the sliding wedge block 3, and a rotating clearance is reserved between the left side and the right side of the extrusion wedge block 4 and the adjacent limiting block 5. In addition, the sliding wedge 3 is a rectangular block, and the extrusion wedge 4 and the limiting block 5 are arc-shaped blocks.
Outside stock casing 2 was stretched to the upper end of stock 1, the upper end of stock 1 overlaps in proper order and is equipped with damping gasket 6 and nut 7, and damping gasket 6's profile is greater than stock casing 2's external diameter to screw on stock casing 2 through nut 7. Preferably, an annular groove is arranged above the vibration damping gasket 6, a cushion rubber pad 8 is arranged in the annular groove, a flat pad 9 is arranged between the nut 7 and the cushion rubber pad 8, and the diameters of the cushion rubber pad 8 and the flat pad 9 are larger than that of the nut 7. Therefore, the damping gasket 6 can be tightly attached to the anchor rod casing 2 under the action of the nut 7, the arrangement of the buffer rubber pad 8 can buffer the vibration received by the damping gasket 6, and the possibility that the nut 7 is loosened due to vibration is avoided.
A fixing block 10 is also mounted on the end of the anchor rod 1. The upper end of the fixing block 10 is preferably an arc-shaped surface, and a sponge layer 10a is bonded on the arc-shaped surface.
When the fixing block 10 is rotated, the anchor rod 1 and the anchor rod casing 2 are screwed into the rock soil together. After the stock cover inserted in the ground, outwards twist and move nut 7 towards the direction of keeping away from the stock cover and remove, drive stock 1 and rotate to in pushing sliding wedge 3 and transversely stretching out and inserting the ground by extrusion voussoir 4, can effectively avoid the stock cover to follow the possibility that drops in the ground, stop rotating when extrusion voussoir 4 rotates to contacting with stopper 5.
The installation process is as follows: aligning one end of a conical head of the anchor rod casing 2 to a place where rock and soil are required to be supported, rotating the fixing block 10 and giving an axial force to the anchor rod 1, driving the anchor rod 1 to drive the anchor rod casing 2 to rotate so that the anchor rod casing 2 is screwed into the rock and soil until the anchor rod casing 2 is completely inserted into the rock and soil, and at the moment, closely attaching one side of the damping gasket 6 to the surface of the rock and soil;
then the nut 7 that rotates makes stock 2 remove towards the direction of keeping away from stock cover 2, and stock 1 drives extrusion voussoir 4 and removes, and extrusion voussoir 4 extrudes slip voussoir 3 for the outside of slip voussoir 3 stretches into the outside of stock cover 2 and inserts the ground around the stock cover 2, has avoided the stock cover 2 possibility of droing from the ground, has effectively improved the effect of strutting, and it is safe convenient to use.
Claims (4)
1. The utility model provides an anchor rod mechanism for side slope protection, includes anchor rod (1), its characterized in that: the anchor rod (1) is inserted into an anchor rod casing (2), the outer wall of the anchor rod casing (2) is provided with a precession thread (2 a), the side wall of the anchor rod casing (2) is provided with a plurality of sliding holes (2 b) which are circumferentially and uniformly distributed, each sliding hole (2 b) is internally provided with a sliding wedge block (3) in a sliding way, the inner wall of the anchor rod casing (2) is fixedly provided with a plurality of limiting blocks (5) which are circumferentially and uniformly distributed, each limiting block (5) is arranged between the two sliding holes (2 b) in the middle, a plurality of extruding wedges (4) which are uniformly distributed in the circumferential direction are fixedly arranged on the outer wall of the anchor rod (1), the extruding wedges (4) are arranged corresponding to the sliding wedges (3) one by one, the outer side inclined surface of the extrusion wedge block (4) is matched with the inner side inclined surface of the sliding wedge block (3), and a rotating clearance is reserved between the left side and the right side of the extrusion wedge block (4) and the adjacent limiting block (5); the upper end of the anchor rod (1) extends out of the anchor rod casing (2), the upper end of the anchor rod (1) is sequentially sleeved with a damping gasket (6) and a nut (7), the profile of the damping gasket (6) is larger than the outer diameter of the anchor rod casing (2), the damping gasket is screwed on the anchor rod casing (2) through the nut (7), and the end of the anchor rod (1) is further provided with a fixing block (10); when the fixing block (10) is rotated, the anchor rod (1) and the anchor rod casing (2) are screwed into rock soil together, the nut (7) is screwed outwards to drive the anchor rod (1) to rotate, the extrusion wedge block (4) pushes the sliding wedge block (3) to transversely extend and insert into the rock soil, and when the extrusion wedge block (4) rotates to be in contact with the limiting block (5), the rotation is stopped;
the sliding wedge block (3) is a rectangular block, and the extrusion wedge block (4) and the limiting block (5) are arc-shaped blocks;
the upper end of the fixed block (10) is an arc-shaped surface, and a sponge layer (10 a) is connected to the arc-shaped surface in an adhesive mode.
2. The anchor rod mechanism for slope protection according to claim 1, characterized in that: an annular groove is formed in the upper portion of the vibration reduction gasket (6), a buffer rubber pad (8) is installed in the annular groove, a flat pad (9) is installed between the nut (7) and the buffer rubber pad (8), and the diameters of the buffer rubber pad (8) and the flat pad (9) are larger than that of the nut (7).
3. The anchor rod mechanism for slope protection according to claim 1 or 2, characterized in that: a plurality of groups of sliding wedges (3), extrusion wedges (4) and limiting blocks (5) are arranged at intervals up and down along the axial direction of the anchor rod (1).
4. The anchor rod mechanism for slope protection according to claim 1, characterized in that: the lower end of the anchor rod casing (2) is a conical head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379295.3A CN111501799B (en) | 2020-05-07 | 2020-05-07 | Anchor rod mechanism for slope protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379295.3A CN111501799B (en) | 2020-05-07 | 2020-05-07 | Anchor rod mechanism for slope protection |
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| Publication Number | Publication Date |
|---|---|
| CN111501799A CN111501799A (en) | 2020-08-07 |
| CN111501799B true CN111501799B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010379295.3A Active CN111501799B (en) | 2020-05-07 | 2020-05-07 | Anchor rod mechanism for slope protection |
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| CN (1) | CN111501799B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459108A (en) * | 2020-12-04 | 2021-03-09 | 安徽丰之源工程建设有限公司 | Water conservancy retaining wall structure capable of preventing soil erosion and water loss |
| CN112726645B (en) * | 2021-01-05 | 2022-02-22 | 内蒙古煤炭科学研究院有限责任公司 | Slope protection device and method for strip mine refuse dump |
| CN116982542B (en) * | 2023-09-27 | 2023-12-15 | 青岛地质工程勘察院(青岛地质勘查开发局) | Greening protection structure and method for high-steep rock slope |
Citations (6)
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|---|---|---|---|---|
| CN102691514A (en) * | 2012-06-07 | 2012-09-26 | 中铁西南科学研究院有限公司 | Multistage sectional grouting-free self-expansion type anchoring rod |
| CN204299597U (en) * | 2014-11-13 | 2015-04-29 | 罗宗帆 | The self-expanding anchor pole of rotation |
| CN106284368A (en) * | 2016-08-10 | 2017-01-04 | 兰州理工大学 | A kind of recyclable assembled frame sawtooth anchor pole and construction method |
| CN108412527A (en) * | 2018-05-23 | 2018-08-17 | 向开秀 | A kind of constructing tunnel reinforcing anchor pole |
| CN110748367A (en) * | 2019-11-19 | 2020-02-04 | 辽宁工程技术大学 | Prestress energy-absorbing anchor rod cable |
| KR102060114B1 (en) * | 2019-06-03 | 2020-02-11 | (주)하나건설 | A Underground Structure |
-
2020
- 2020-05-07 CN CN202010379295.3A patent/CN111501799B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691514A (en) * | 2012-06-07 | 2012-09-26 | 中铁西南科学研究院有限公司 | Multistage sectional grouting-free self-expansion type anchoring rod |
| CN204299597U (en) * | 2014-11-13 | 2015-04-29 | 罗宗帆 | The self-expanding anchor pole of rotation |
| CN106284368A (en) * | 2016-08-10 | 2017-01-04 | 兰州理工大学 | A kind of recyclable assembled frame sawtooth anchor pole and construction method |
| CN108412527A (en) * | 2018-05-23 | 2018-08-17 | 向开秀 | A kind of constructing tunnel reinforcing anchor pole |
| KR102060114B1 (en) * | 2019-06-03 | 2020-02-11 | (주)하나건설 | A Underground Structure |
| CN110748367A (en) * | 2019-11-19 | 2020-02-04 | 辽宁工程技术大学 | Prestress energy-absorbing anchor rod cable |
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| CN111501799A (en) | 2020-08-07 |
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Inventor after: Xue Jinfeng Inventor after: Zhu Chunbai Inventor after: Qian Dongdong Inventor after: Wang Liwu Inventor after: Chen Chao Inventor before: Qian Dongdong Inventor before: Xue Jinfeng Inventor before: Zhu Chunbai |
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Address after: 214104 room 301-218, block a, Xidong chuangrong building, No. 78, Danshan Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu CRRC Urban Development Co.,Ltd. Patentee after: CRRC CONSTRUCTION ENGINEERING Co.,Ltd. Address before: 215000 NO.115 Yinsheng Road, Shengpu Town, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU CHINA VEHICLE CONSTRUCTION ENGINEERING Co.,Ltd. Patentee before: CRRC CONSTRUCTION ENGINEERING Co.,Ltd. |