CN112664246A - Rock anchor rod for advance support and construction method - Google Patents
Rock anchor rod for advance support and construction method Download PDFInfo
- Publication number
- CN112664246A CN112664246A CN202011510155.1A CN202011510155A CN112664246A CN 112664246 A CN112664246 A CN 112664246A CN 202011510155 A CN202011510155 A CN 202011510155A CN 112664246 A CN112664246 A CN 112664246A
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- anchor rod
- rod
- stock
- buffer layer
- rock
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention provides a rock anchor rod for advance support and a construction method, wherein the rock anchor rod comprises an anchor rod, equidistant threads are arranged on the anchor rod, an AB material mixing component is arranged at the upper end of the anchor rod, tensioning components are arranged at two sides of the anchor rod, a buffer layer is sleeved at the lower end of the anchor rod, and a fastening nut is arranged at the lower part of the buffer layer; the process is saved, AB material mixes in advance before the stock gets into simultaneously, causes the stock to be difficult to get into or the condition of fastening inadequately, simple structure, and convenient to use also can guarantee that A material, B material flow simultaneously and mix, has guaranteed the sufficiency of mixing to the installation that has improved the stock is strong, through setting up the tensioning assembly, has strengthened frictional force, has improved the intensity of stock.
Description
Technical Field
The invention relates to the technical field of underground construction equipment, in particular to a rock anchor rod for advance support and a construction method.
Background
The anchor rod is a prestressed steel strand which is fixed on the slope surface through the outer end, the other end of the anchor rod is anchored in a stable rock body in the sliding surface and penetrates through the sliding surface of the side slope, and the anti-sliding resistance is directly generated on the sliding surface, so that the anti-sliding friction resistance is increased, the structural surface is in a compression state, the integrity of the rock body of the side slope is improved, the mechanical property of the rock body is fundamentally improved, the displacement of the rock body is effectively controlled, the stability of the rock body is promoted, and the purposes of regulating bedding, sliding, dangerous rocks and dangerous rocks are.
In advance support's use, adopt the resin stock to consolidate around the rock usually, the resin stock is a classification in the stock, the mode of adopting usually is to punch earlier, place A material in the mounting hole, fill in B material again, it makes A material and B material mix to get into through the stock, A material and B material are independent and inviscid, can produce stronger viscidity after A material and B material mix, but such installation is comparatively loaded down with trivial details, the packing that can cause A material and B material at A material and B material simultaneously is damaged by the rock, A material and B material mix, just produce viscidity when the stock does not enter, be unfavorable for the entering and the fixing of stock, stock lower extreme and the contact of advance support upper portion simultaneously, this kind of pure rigid contact mode is great to the impact force of stock, the not hard up condition of stock can be caused, produce certain danger.
Disclosure of Invention
In order to solve the technical problems, the invention provides the rock anchor rod for the advance support, the anchor rod is enabled to simultaneously enter materials A and B through the material AB mixing assembly, the materials A and B are prevented from being mixed in advance, meanwhile, the anchor rod is enabled to be more tightly contacted with rocks and more firmly connected through the arrangement of the tensioning assembly, and the impact force of the advance support on the anchor rod is reduced and the anchor rod is prevented from falling off through the arrangement of the buffer layer at the lower end of the anchor rod.
The invention also provides a construction method of the rock anchor rod for the advance support.
A rock anchor rod for advance support comprises an anchor rod, equidistant threads are arranged on the anchor rod, an AB material mixing component is arranged at the upper end of the anchor rod, tensioning components are arranged on two sides of the anchor rod, a buffer layer is sleeved at the lower end of the anchor rod, and a fastening nut is arranged at the lower part of the buffer layer;
the AB material mixing component comprises a push rod, a swing rod A, a swing rod B, a puncture needle and a material A; the front end of the anchor rod is provided with a mounting seat which is a hollow cylindrical shell, the upper surface of the mounting seat is provided with a mounting groove, a swing rod A and a swing rod B are symmetrically arranged in the mounting seat, the middle part of the swing rod A is connected with the mounting seat through a pin shaft, the middle part of the swing rod B is connected with the mounting seat through a pin shaft, the outer side ends of the swing rod A and the swing rod B are respectively provided with a puncture needle,
a push rod penetrates through the axis of the mounting groove, a fixing ring is sleeved outside the push rod, fixing tips are uniformly distributed on the inner wall of the fixing ring, the fixing tips are triangular plates, sharp corners are downward, a matching tip is arranged on the push rod and is triangular plates, and the sharp corners are upward;
the two sides of the fixing ring are respectively provided with a material A and a material B; holes are arranged on the mounting grooves at the lower parts of the material A and the material B, and felting needles are arranged at the lower parts of the holes.
According to the technical scheme of the invention, preferably, the tensioning assembly comprises elastic pieces, the elastic pieces are uniformly distributed on the outer side of the anchor rod, the elastic pieces are rectangular plates, the lower ends of the elastic pieces are fixedly connected with the anchor rod, and a push ring is arranged between the elastic pieces and the anchor rod.
According to the technical scheme of the invention, preferably, the material A and the material B are both arranged in the polyethylene sealed bag.
According to the technical scheme of the invention, preferably, a tray is arranged between the buffer layer and the fastening nut.
According to the technical scheme of the invention, it is further preferable that the buffer layer is a circular plate, and the upper surface of the buffer layer is provided with a convex ring.
According to the technical scheme of the invention, preferably, the lower part of the anchor rod is provided with a chamfer angle, and the sharp angle is downward.
A construction method of a rock anchor rod for a forepoling comprises the following specific steps:
(1) punching the rock layer to form a mounting hole;
(2) placing the material A and the material B in an AB material mixing component;
(3) inserting an anchor rod into the mounting hole obtained in the step (1), enabling a push rod to contact with top rocks and move downwards, enabling a pricking pin to move upwards through a swing rod A and a swing rod B, and pricking the sealing bags of the material A and the material B to enable the material A and the material B to be mixed in a gap;
(4) the anchor rod continues to be pushed, the push ring contacts with the top rock, so that the push ring moves downwards, and the elastic sheet is stretched to be in contact with the side wall rock;
(5) after pushing the completion, establish the buffer layer at stock lower extreme cover, the tray is established to buffer layer downside cover, and the tray downside screws through fastening nut, accomplishes the installation of stock.
The invention has the beneficial effects that:
1. through being provided with AB material hybrid module for AB material gets into the mounting hole simultaneously with the stock, has saved the process, has avoided AB material to mix in advance before the stock gets into simultaneously, causes the stock to be difficult to get into or the condition of insufficient fastening.
2. Through being provided with push rod, pendulum rod A, pendulum rod B, felting needle, when the push rod contacted upper portion cliff, the sealed bag of A material, B material is punctured to the felting needle under pendulum rod A, pendulum rod B's drive for A material, B material mix, simple structure, convenient to use also can guarantee that A material, B material flow simultaneously and mix, has guaranteed the sufficiency of mixing, thereby has improved the installation intensity of stock.
3. Through setting up tensioning assembly, after A material, B material mix, the flexure strip opens, contacts with the side cliff, and the adhesion of rethread A material, B material has strengthened frictional force, has improved the intensity of stock.
4. The lower part of the anchor rod is provided with a chamfer angle, and the sharp angle is downward, so that the upward movement of the anchor rod is not hindered, and the anchor rod can be prevented from sliding downwards and loosening.
5. The lower part of the anchor rod exposed out of the mounting hole is provided with a buffer layer, and the upper surface of the buffer layer is provided with an annular convex ring, so that the condition that the anchor rod is loosened due to rigid collision of advance support and the anchor rod is avoided, and the buffer force is enhanced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an AB material mixing assembly of the present invention;
FIG. 3 is a schematic view of the tension assembly of the present invention;
FIG. 4 is a schematic view of the putter of the present invention;
wherein, 1, fastening a nut; 2. a tray; 3. a buffer layer; 4. a convex ring; 5. a rock; 6. an elastic sheet; 7. an anchor rod; 8. chamfering; 9. a swing rod A; 10. a mounting seat; 11. a needle; 12. a, material A; 13. sealing the bag; 14. a push rod; 15. b, material; 16. a needle; 17. a swing rod B; 18. mounting grooves; 19. an aperture; 20. a fixing ring; 21. fitting the tip part; 22. fixing the tip part; 23. and (4) pushing a ring.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for the purpose of describing the present invention but do not require that the present invention must be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be understood broadly, and may be, for example, welded or detachably connected; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
Example 1:
a rock anchor rod for advance support comprises an anchor rod 7, equidistant threads are arranged on the anchor rod 7, an AB material mixing component is arranged at the upper end of the anchor rod 7 and used for mixing an A material 12 and a B material 15, tensioning components are arranged on two sides of the anchor rod 7 and used for mounting the anchor rod 7 and a rock wall more tightly, a buffer layer 3 is sleeved at the lower end of the anchor rod 7, and a fastening nut 1 is arranged at the lower part of the buffer layer 3; the AB material mixing component comprises a push rod 14, a swing rod A9, a swing rod B17, a needle 11, a material A12 and a material B15; the front end of the anchor rod 7 is provided with a mounting seat 10, the mounting seat 10 is a hollow cylindrical shell, the upper surface of the mounting seat is provided with a mounting groove 18, a swing rod A9 and a swing rod B17 are symmetrically arranged in the mounting seat 10, the middle part of the swing rod A9 is connected with the mounting seat 10 through a pin shaft, the middle part of the swing rod B17 is connected with the mounting seat 10 through a pin shaft, the outer side ends of the swing rod A9 and the swing rod B17 are respectively provided with a puncture needle 11, the axis of the mounting groove 18 is provided with a push rod 14 in a penetrating manner, the push rod 14 is sleeved with a fixing ring 20, the inner wall of the fixing ring 20 is uniformly provided with fixing tip parts 22, the fixing tip parts 22 are; the material A12 and the material B15 are respectively arranged on two sides of the fixing ring 20; the mounting groove 18 positioned at the lower parts of the material A12 and the material B15 is provided with a hole 19, the lower part of the hole 19 is a needle point of a puncture needle 16, the tensioning assembly comprises elastic sheets 6, the elastic sheets 6 are uniformly distributed outside the anchor rod, the number of the elastic sheets is 4, the elastic sheets 6 are rectangular plates, the lower end of each elastic sheet 6 is fixedly connected with the anchor rod 7, and a push ring 23 is arranged between the upper end of each elastic sheet 6 and the anchor rod 7. The material A12 and the material B15 are both arranged in the polyethylene sealing bag 13, and the sealing bag 13 is punctured in the movement process of the puncture needle 16. And a tray 2 is arranged between the buffer layer 3 and the fastening nut 1. The buffer layer 3 is a circular plate, and the upper surface of the buffer layer 3 is provided with a convex ring 4. 7 lower parts of stock are equipped with chamfer 8, and chamfer 8 is used for improving and the rock-wall between the frictional force, and the installation is more firm, and the closed angle is downward, prevents 7 downstream of stock.
Example 2:
a construction method of a rock anchor rod for a forepoling is structurally shown as an embodiment 1, and comprises the following specific steps:
(1) punching the rock layer to form a mounting hole;
(2) placing the material A12 and the material B15 in a mounting groove 18 of the material AB mixing component;
(3) inserting the anchor rod 7 into the mounting hole obtained in the step (1), contacting the top rock by the push rod 14, moving downwards, enabling the puncture needle 16 to move upwards by rotating the swing rod A9 and the swing rod B17, puncturing the sealed bags 13 of the materials A12 and B15, and enabling the materials A12 and B15 to be mixed in the gap; generating viscosity;
(4) the anchor rod 7 continues to be pushed, the push ring 23 contacts top rocks, so that the push ring 23 moves downwards, and the elastic sheets 6 are spread to be in contact with side wall rocks; the whole anchor rod 7 is fully contacted and bonded with the mixture of the material A12 and the material B15;
(5) after pushing the completion, establish buffer layer 3 at 7 lower pot heads of stock, tray 2 is established to 3 downside pot heads of buffer layer, and 2 downside of tray are screwed through fastening nut 1, accomplish the installation of stock 7.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (7)
1. The utility model provides a use rock stock on advance support, includes the stock, is equipped with equidistance screw thread on the stock, its characterized in that: the AB material mixing assembly is arranged at the upper end of the anchor rod, the tensioning assemblies are arranged on two sides of the anchor rod, the buffer layer is sleeved at the lower end of the anchor rod, and the fastening nut is arranged at the lower part of the buffer layer;
the AB material mixing component comprises a push rod, a swing rod A, a swing rod B, a puncture needle and a material A; the front end of the anchor rod is provided with a mounting seat which is a hollow cylindrical shell, the upper surface of the mounting seat is provided with a mounting groove, a swing rod A and a swing rod B are symmetrically arranged in the mounting seat, the middle part of the swing rod A is connected with the mounting seat through a pin shaft, the middle part of the swing rod B is connected with the mounting seat through a pin shaft, the outer side ends of the swing rod A and the swing rod B are respectively provided with a puncture needle,
a push rod penetrates through the axis of the mounting groove, a fixing ring is sleeved outside the push rod, fixing tips are uniformly distributed on the inner wall of the fixing ring, the fixing tips are triangular plates, sharp corners are downward, a matching tip is arranged on the push rod and is triangular plates, and the sharp corners are upward;
the two sides of the fixing ring are respectively provided with a material A and a material B; holes are arranged on the mounting grooves at the lower parts of the material A and the material B, and felting needles are arranged at the lower parts of the holes.
2. A rock bolt for use in forepoling as claimed in claim 1, wherein: the tensioning assembly comprises an elastic sheet, the elastic sheet is uniformly distributed on the outer side of the anchor rod and is a rectangular plate, the lower end of the elastic sheet is fixedly connected with the anchor rod, and a push ring is arranged between the elastic sheet and the anchor rod.
3. A rock bolt for use in forepoling as claimed in claim 1, wherein: the material A and the material B are both arranged in the polyethylene sealing bag.
4. A rock bolt for use in forepoling as claimed in claim 1, wherein: and a tray is arranged between the buffer layer and the fastening nut.
5. A rock bolt for use in forepoling as claimed in claim 4, wherein: the buffer layer is the circular slab, and the buffer layer upper surface is equipped with the bulge loop.
6. A rock bolt for use in forepoling as claimed in claim 1, wherein: the lower part of the anchor rod is provided with a chamfer angle, and the sharp angle is downward.
7. A construction method of a rock bolt for a forepoling according to claim 2, comprising the steps of:
(1) punching the rock layer to form a mounting hole;
(2) placing the material A and the material B in an AB material mixing component;
(3) inserting an anchor rod into the mounting hole obtained in the step (1), enabling a push rod to contact with top rocks and move downwards, enabling a pricking pin to move upwards through a swing rod A and a swing rod B, and pricking the sealing bags of the material A and the material B to enable the material A and the material B to be mixed in a gap;
(4) the anchor rod continues to be pushed, the push ring contacts with the top rock, so that the push ring moves downwards, and the elastic sheet is stretched to be in contact with the side wall rock;
(5) after pushing the completion, establish the buffer layer at stock lower extreme cover, the tray is established to buffer layer downside cover, and the tray downside screws through fastening nut, accomplishes the installation of stock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510155.1A CN112664246B (en) | 2020-12-19 | 2020-12-19 | Rock anchor rod for advance support and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510155.1A CN112664246B (en) | 2020-12-19 | 2020-12-19 | Rock anchor rod for advance support and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112664246A true CN112664246A (en) | 2021-04-16 |
| CN112664246B CN112664246B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011510155.1A Active CN112664246B (en) | 2020-12-19 | 2020-12-19 | Rock anchor rod for advance support and construction method |
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| Country | Link |
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| CN (1) | CN112664246B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606962A (en) * | 2022-05-16 | 2022-06-10 | 河北舜宏建筑装饰工程有限公司 | Highway side slope protector |
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| CN109695462A (en) * | 2018-11-26 | 2019-04-30 | 中国矿业大学 | A kind of high intensity two fluid grouting anchor pole |
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| CN111648803A (en) * | 2020-05-13 | 2020-09-11 | 河南理工大学 | Anchor cable self-drilling and rapid anchoring construction method based on water jet technology |
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| CN2735005Y (en) * | 2004-09-30 | 2005-10-19 | 彭保朝 | Plastic anchoring pipe sleeve for anchor rod |
| CN102002947A (en) * | 2010-12-06 | 2011-04-06 | 武汉大学 | Explosion expanded internal anchor head prestressed anchor cable for strengthening weak rock and anchoring method thereof |
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| CN114606962A (en) * | 2022-05-16 | 2022-06-10 | 河北舜宏建筑装饰工程有限公司 | Highway side slope protector |
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| Publication number | Publication date |
|---|---|
| CN112664246B (en) | 2022-07-08 |
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