CN210317367U - Novel high-anchoring-force extensible anchor cable device - Google Patents
Novel high-anchoring-force extensible anchor cable device Download PDFInfo
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- CN210317367U CN210317367U CN201921362430.2U CN201921362430U CN210317367U CN 210317367 U CN210317367 U CN 210317367U CN 201921362430 U CN201921362430 U CN 201921362430U CN 210317367 U CN210317367 U CN 210317367U
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- anchor cable
- anchor
- cable body
- novel high
- bird nest
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- 235000005770 birds nest Nutrition 0.000 claims abstract description 31
- 235000005765 wild carrot Nutrition 0.000 claims abstract description 31
- 238000004873 anchoring Methods 0.000 claims abstract description 17
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000008093 supporting effect Effects 0.000 abstract description 12
- 238000005065 mining Methods 0.000 abstract description 5
- 244000000626 Daucus carota Species 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a novel high anchoring force extensible anchor cable device, which comprises an anchor cable body, a bird nest structure arranged on the anchor cable body, an anchor cable guide cap positioned at the end of the anchor cable body, an anchor backing plate positioned at the tail end of the anchor cable body and an anchorage device positioned at one side of the anchor backing plate and used for fixing the anchor cable structure; the anchor backing plate and the anchorage device are fixedly connected to one side end of the anchor cable body. The utility model discloses a bird's nest anchor rope is strutted, through the elongation of bird's nest structure increase anchor power and anchor rope, realizes the flexible support to the tunnel, does not influence the normal use in tunnel, is applicable to the high stress area and the big deformation tunnel, especially receives the tunnel that the working face back mining dynamic pressure influences and adjacent tunnel tunnelling disturbance influence, has practiced thrift engineering support material, has reduced construction cost, reduces extravagantly. The method is simple, easy to implement, safe and economical, good in supporting effect and wide in practicability.
Description
Technical Field
The utility model relates to a novel high extensible anchor rope of anchoring force device belongs to anchor rope device field.
Background
At present, in the coal mine roadway support, a common anchor cable device is stranded steel strands, and the roadway is in a high-stress environment, so that a cavity exists locally and is influenced by mining pressure of a working face and tunneling disturbance of an adjacent roadway, and the mining roadway has the characteristic of large deformation. The common anchor cable only can slow down and control the deformation process of the coal rock mass to a certain extent, reduces the deformation of the coal rock mass in the roadway within a certain range, and after the deformation of the coal rock mass is further increased to exceed the bearing capacity of the common anchor cable, the common anchor cable can be broken, so that the anchor cable is failed, the supporting effect on the roadway is finally lost, further secondary supporting is needed, and the roadway supporting cost is further increased.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a novel extensible anchor rope of high anchor power device for a method is simple, economy, safety, can control the high extensible anchor rope of anchor power device of high anchor power that highly stressed tunnel warp greatly.
In order to realize the purpose, the utility model discloses a technical scheme is: a novel high-anchoring-force extensible anchor cable device comprises an anchor cable body, a bird nest structure arranged on the anchor cable body, an anchor cable guide cap positioned at the end of the anchor cable body, an anchor backing plate positioned at the tail end of the anchor cable body and an anchor positioned on one side of the anchor backing plate and used for fixing the anchor cable structure; the anchor backing plate and the anchorage device are fixedly connected to one side end of the anchor cable body.
Furthermore, a plurality of bird nest structures and anchor cable body main bodies which are uniformly distributed at intervals are arranged on the anchor cable body; the anchor cable body main part and the bird nest structure are distributed at intervals in sequence, and the bird nest structure and the anchor cable body main part are integrally connected.
Furthermore, the bird nest structure and the anchor cable body main body are formed by combining a plurality of cylindrical wires.
Furthermore, the anchor cable body main part is formed by 7 cylindrical wires with the same cross-sectional area in a combined mode, and the overall cross-sectional shape is that 6 cylindrical wires are fastened and connected around the central cylindrical wire.
Furthermore, the bird nest structure is formed by combining 7 cylindrical wires with the same cross-sectional area, the overall cross-sectional shape is that 6 cylindrical wires can be elastically connected in a tensioned manner around the central cylindrical wire, a cavity is arranged between the cylindrical wires, and the end heads at the two ends of the bird nest structure are respectively connected with the end head positions of the anchor cable body main body.
Further, the anchor cable body is made of alloy steel stranded wires.
Furthermore, the anchor backing plate is square.
Furthermore, one end of the cylindrical lead is fixed by combining an anchor backing plate and an anchor, and the other end of the cylindrical lead is fixed with an anchor cable guide cap.
The utility model has the advantages that: the utility model discloses it is big to the regional and receive working face back production pressure and adjacent tunnel tunnelling disturbance influence tunnel deflection, and the difficult control scheduling problem adopts the bird's nest anchor rope to strut, through the elongation of bird's nest structure increase anchor power and anchor rope, realizes not influencing the normal use in tunnel to the flexible support in tunnel. For the anchor cable support commonly used in the current roadway, the deformation of the roadway is large, the anchorage force of the anchor cable is often insufficient, and the deformation of a coal rock body is large, so that the anchor cable is broken, secondary support is needed, on one hand, the engineering quantity and the expenditure are increased, and on the other hand, the safety of coal mine workers is greatly threatened. The high-anchoring-force extensible anchor cable with the bird nest structure is suitable for high-stress areas and large-deformation roadways, particularly roadways influenced by mining pressure of a working face and tunneling disturbance of adjacent roadways, engineering supporting materials are saved, construction cost is reduced, and waste is reduced. The method is simple, easy to implement, safe and economical, good in supporting effect and wide in practicability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the overall installation position of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of the present invention;
fig. 4 is a cross-sectional view of the utility model B-B.
In the figure: 1. the anchor cable comprises, by weight, 1-1 parts of an anchor cable body, 1-2 parts of an anchor cable body main body, 1-3 parts of a cylindrical lead, 2 parts of a cavity, 3 parts of a bird nest structure, 4 parts of an anchor cable guide cap, 4 parts of an anchor backing plate and 5 parts of an anchor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1, a novel high anchoring force extensible anchor cable device comprises an anchor cable body 1, a bird nest structure 2 arranged on the anchor cable body 1, an anchor cable guide cap 3 positioned at the end of the anchor cable body 1, an anchor backing plate 4 positioned at the tail end of the anchor cable body 1 and an anchorage device 5 positioned at one side of the anchor backing plate 4 and used for fixing the anchor cable structure; the anchor backing plate 4 and the anchorage device 5 are fixedly connected to one side end of the anchor cable body 1.
The anchor cable body 1 is provided with a plurality of bird nest structures 2 and anchor cable body main bodies 1-1 which are uniformly distributed at intervals; the anchor cable body main bodies 1-1 and the bird nest structures 2 are sequentially distributed at intervals, and the bird nest structures 2 and the anchor cable body main bodies 1-1 are integrally connected.
The bird nest structure 2 and the anchor cable body main body 1-1 are formed by combining a plurality of cylindrical wires 1-2.
As shown in fig. 3, the anchor cable body main body 1-1 is formed by rotationally splicing 7 cylindrical wires 1-2 with the same cross-sectional area, and the overall cross-sectional shape is that 6 cylindrical wires 1-2 are tightly connected around the central cylindrical wire 1-2.
As shown in fig. 4, the bird nest structure 2 is formed by combining 7 cylindrical wires 1-2 with the same cross-sectional area, the overall cross-sectional shape is that 6 cylindrical wires 1-2 can be elastically connected by being pulled around a central cylindrical wire 1-2, a cavity 1-3 is arranged between the cylindrical wires 1-2, and the contact area between the internal cavity 1-3 and an anchoring agent can be increased; the two end heads of the bird nest structure 2 are respectively connected with the end head positions of the anchor cable body main bodies 1-1.
The anchor cable body 1 is made of alloy steel stranded wire.
The anchor backing plate 4 is square.
One end of the cylindrical lead 1-2 is fixed by combining an anchor backing plate 4 and an anchor 5, and the other end is fixed with an anchor cable guide cap 3.
In the following specific embodiment, as shown in fig. 2, when supporting a coal rock roadway, drilling is performed first, the drill hole is drilled by a drilling machine, an anchoring agent is placed in the drill hole, an anchor cable guide cap 3 extends into the drill hole to push the anchoring agent to the bottom of the hole for stirring, and a bird nest structure 2 close to the bottom of the hole in an anchoring section can increase the contact area of the anchoring agent, prevent the loss of the anchoring agent and accelerate anchoring. After the anchor rope body 1 is anchored by the anchoring agent, the anchor rope body 1 is tensioned to reach the preset anchoring force, and at the moment, the anchor rope is fixed through the anchor backing plate 4 and the anchorage device 5 to achieve the supporting effect.
When the roadway is influenced by mining and deformed, the bird nest structure 2 can be stretched and deformed to realize pressure relief, so that the flexible supporting effect on the coal rock mass is achieved. The anchor cable body main bodies 1-1 are formed by rotationally splicing a plurality of cylindrical conducting wires 1-2 to form a cable type cylinder, so that the supporting capacity is enhanced, the tensile rate of a bird nest structure 2 arranged between the two anchor cable body main bodies 1-1 is 7%, the supporting deformation can be realized, and the yielding and flexible supporting are realized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. A novel high-anchoring-force extensible anchor cable device is characterized by comprising an anchor cable body (1), a bird nest structure (2) arranged on the anchor cable body (1), an anchor cable guide cap (3) positioned at the end of the anchor cable body (1), an anchor backing plate (4) positioned at the tail end of the anchor cable body (1) and an anchorage device (5) positioned on one side of the anchor backing plate (4) and used for fixing the anchor cable structure; the anchor backing plate (4) and the anchor (5) are fixedly connected to one side end of the anchor cable body (1).
2. The novel high anchoring force extensible anchor cable device according to claim 1, wherein a plurality of uniformly spaced bird nest structures (2) and anchor cable body main bodies (1-1) are arranged on the anchor cable body (1); the anchor cable body main bodies (1-1) and the bird nest structures (2) are distributed at intervals in sequence, and the bird nest structures (2) and the anchor cable body main bodies (1-1) are integrally connected.
3. The novel high anchoring force extensible anchor cable device according to claim 2, wherein said bird nest structure (2) and anchor cable body (1-1) are formed by a combination of a plurality of cylindrical wires (1-2).
4. The novel high-anchoring-force extensible anchor cable device as claimed in claim 2, wherein the anchor cable body main body (1-1) is formed by combining 7 cylindrical wires (1-2) with the same cross-sectional area in a rotating and twisting manner, and the overall cross-sectional shape of the anchor cable body main body is that 6 cylindrical wires (1-2) are tightly connected around the central cylindrical wire (1-2).
5. The novel high anchoring force extensible anchor cable device as claimed in claim 1 or 2, wherein the bird nest structure (2) is formed by combining 7 cylindrical wires (1-2) with the same cross-sectional area, the overall cross-sectional shape is that 6 cylindrical wires (1-2) can be elastically connected in a tensioned manner around the central cylindrical wire (1-2), a cavity (1-3) is arranged between the 6 peripheral cylindrical wires (1-2) and the central cylindrical wire (1-2), and the two end heads of the bird nest structure (2) are respectively connected to the end heads of two adjacent anchor cable body main bodies (1-1).
6. The novel high anchoring force extensible anchor cable device according to claim 1, wherein said anchor cable body (1) is made of alloy steel stranded wire.
7. A novel high anchorage force extendable anchor cable device as claimed in claim 1, wherein said anchor pad (4) is square in shape.
8. A novel high anchoring force extensible anchor cable device as claimed in claim 3, wherein one end of said cylindrical wire (1-2) is fixed by the combination of anchor pad (4) and anchor (5), and the other end is fixed with anchor cable guiding cap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362430.2U CN210317367U (en) | 2019-08-21 | 2019-08-21 | Novel high-anchoring-force extensible anchor cable device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362430.2U CN210317367U (en) | 2019-08-21 | 2019-08-21 | Novel high-anchoring-force extensible anchor cable device |
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| Publication Number | Publication Date |
|---|---|
| CN210317367U true CN210317367U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921362430.2U Active CN210317367U (en) | 2019-08-21 | 2019-08-21 | Novel high-anchoring-force extensible anchor cable device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064636A (en) * | 2020-09-20 | 2020-12-11 | 内蒙古福城矿业有限公司 | High-anchoring-force extensible anchor cable device and implementation method thereof |
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2019
- 2019-08-21 CN CN201921362430.2U patent/CN210317367U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064636A (en) * | 2020-09-20 | 2020-12-11 | 内蒙古福城矿业有限公司 | High-anchoring-force extensible anchor cable device and implementation method thereof |
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