CN212250092U - Drilling and anchoring integrated hollow anchor rod - Google Patents
Drilling and anchoring integrated hollow anchor rod Download PDFInfo
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- CN212250092U CN212250092U CN202020493687.8U CN202020493687U CN212250092U CN 212250092 U CN212250092 U CN 212250092U CN 202020493687 U CN202020493687 U CN 202020493687U CN 212250092 U CN212250092 U CN 212250092U
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- anchor rod
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- hollow anchor
- anchoring
- drilling
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Abstract
The utility model discloses a hollow anchor rod with integrated drilling and anchoring functions, which comprises a drill bit, a hollow anchor rod, a supporting plate, a locking nut and a water channel hole; one end of the hollow anchor rod is connected with the drill bit, and the other end of the hollow anchor rod is provided with a supporting plate through a locking nut; the hollow anchor rod is internally provided with a water channel hole penetrating through the hollow anchor rod in the extending direction; the drill bit and the hollow anchor rod are connected into a whole, the disposable hollow anchor rod is endowed with the function of a drill rod, the one-time dismantling of the drill rod on the anchor rod machine and the one-time installation of the anchor rod on the anchor rod machine are omitted, and the function of drilling and anchoring into a whole is realized; the tail end of the hollow anchor rod is provided with a water channel hole and communicated with the hollow anchor rod, and when the hollow anchor rod is anchored, the stored anchoring agents in various forms such as self-expansion anchoring agents, compression anchoring agents and the like are pumped into a drilled hole through the water channel hole, so that full-automatic anchoring is realized.
Description
Technical Field
The utility model relates to an anchor rod technical field, concretely relates to bore integrative cavity stock of anchor.
Background
At present, the tunnel engineering and mine roadway engineering quantity in China is large, millions of workers are engaged in rock mass and coal body supporting, the working environment is very severe, the labor intensity is high, and the accident rate is high. The conventional anchoring operation completes one anchoring process as follows:
(1) installing a special drill rod on the drilling machine for drilling, and withdrawing and removing the drill rod after drilling;
(2) the method comprises the following steps of (1) filling an anchoring agent into a drilled hole, installing an anchor rod on a drilling machine, operating the drilling machine to drive the anchor rod to send the anchoring agent to the top of the hole, and rotationally stirring to solidify the anchoring agent;
(3) tightening the anchor bolt screw to complete anchoring;
generally, the drill rod is made of hollow hexagonal steel, and the anchor rod is made of round steel or threaded steel. In the traditional anchoring operation, the drill rod is specially used for drilling and can be repeatedly used for many times. The anchor rod is used for anchoring the coal body of the rock mass, and the anchor rod is not repeatedly used after being anchored.
By the above, the existing technology of drilling and anchoring separation needs a special drill rod to complete drilling, and after the drill rod is dismantled, the drill rod is replaced by an anchor rod for anchoring, so that the process has the following defects:
1. the drill rod and the anchor rod are used separately, the process is complicated, multiple persons are required to complete the process in a matching way, and the efficiency is lower;
2. the anchor rod has low precision and single function, can not realize automatic operation, and is easy to have faults and accidents;
3. the material of stock is single, can not satisfy the supporting work to the rock mass of different hardness, the different degree of depth.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a novel hollow anchor rod integrating drilling and anchoring, which solves the problems that the drilling rod and the anchor rod proposed in the background technology are separately used, the working procedures are complicated, the automatic operation can not be realized, and the efficiency is low; the anchor rod precision is low, the material singleness scheduling problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme:
the drilling and anchoring integrated hollow anchor rod comprises a drill bit, a hollow anchor rod, a supporting plate, a locking nut and a water channel hole; one end of the hollow anchor rod is connected with the drill bit, and the other end of the hollow anchor rod is provided with a supporting plate through a locking nut; in the hollow anchor rod, a water channel hole penetrating through the hollow anchor rod is formed in the extending direction of the hollow anchor rod.
The utility model discloses an integrative cavity stock of brill anchor is a stock that is arranged in a drilling rod that tunnel or mine tunnel use and anchor rock mass or the coal body, combines drilling rod and stock as an organic whole, has the function of boring with the anchor simultaneously, finally reaches the purpose of anchor rock mass or coal body. The drilling and anchoring integrated hollow anchor rod reduces two working procedures in one traditional anchoring cycle, saves working hours, reduces labor force, improves working efficiency and is more convenient to use; along with the continuous improvement of the automation level of the anchoring equipment for installing the anchor rod and the gradual innovation of the anchoring agent material, the development of the hollow anchor rod integrating drilling and anchoring is more favorable for realizing the automatic and unmanned anchoring operation, is favorable for promoting the progress of the automatic operation and control of the anchoring industries such as rock mass, coal mass and the like, and has wide market application prospect.
As an optimized technical scheme of the utility model, the appearance of hollow stock is six arriss types, cylindrical with the indent, screw thread type or the arbitrary one in the ripple type.
As an optimal technical scheme of the utility model, hollow stock and drill bit threaded connection.
As an optimal technical scheme of the utility model, hollow stock is connected with drill bit welding or one shot forming.
As an optimal technical scheme of the utility model, the material of hollow stock is in any one of steel, glass steel and carbon fiber.
As an optimal technical scheme of the utility model, the anchor of the integrative cavity stock of brill anchor notes method as follows:
s1: the anchoring agent is infiltrated into the hollow anchor rod integrated with the drilling and anchoring through the water passage hole (5);
s2: drilling a rock wall and a coal mine roadway where the anchor rod needs to be installed by using the drilling and anchoring integrated hollow anchor rod of S1;
s3: after drilling, the infiltrated anchoring agent is pumped into one end of the drilling and anchoring integrated hollow anchor rod connected with the drill bit (1) through the water passage hole (5) and then enters the drilled hole for anchoring.
(III) advantageous effects
Compared with the prior art, the utility model provides an integrative cavity stock of brill anchor possesses following beneficial effect at least:
1. the drill rod and the anchor rod are combined into a whole, and the anchoring agent is pumped into the drill hole through the water channel hole after the drill hole is drilled, so that the anchoring process is simpler;
2. the anchor rod is machined by a machine tool, so that the specification is unified, the precision is high, the automatic operation is easy to realize, the drilling and anchoring are integrated, and the market application scene is wide;
3. the stock material is diversified, can adapt to the timbering work of the rock mass of different hardness, the different degree of depth.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view taken along the plane a-a in fig. 1.
In the figure: 1. a drill bit; 2. a hollow anchor rod; 3. a support plate; 4. locking the nut; 5. a water passage hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the present invention provides the following technical solutions: the drilling and anchoring integrated hollow anchor rod comprises a drill bit 1, a hollow anchor rod 2, a supporting plate 3, a locking nut 4 and a water channel hole 5; one end of the hollow anchor rod 2 is connected with the drill bit 1, and the other end of the hollow anchor rod is provided with a supporting plate 3 through a locking nut 4; the hollow anchor 2 has a water passage hole 5 penetrating the hollow anchor 2 in the extending direction thereof.
In the embodiment, the drill bit and the hollow anchor rod are connected into a whole, and the disposable hollow anchor rod is endowed with the function of a drill rod; the method is characterized in that a disposable drill bit is added for drilling, so that the hollow anchor rod has the functions of a drill rod and an anchor rod at the same time, namely, one-time dismantling of the drill rod on an anchor rod machine and one-time installation of the anchor rod on the anchor rod machine are omitted in one-time anchoring circulation process, namely, the anchor rod integrating drilling and anchoring is used, and the drill rod is not required to be dismantled after drilling to realize the function of integrating drilling and anchoring; the drill bit is a disposable drill bit, so that the cost can be saved; the tail thread of the hollow anchor rod adopts a processing mode of roll forming, a water channel hole is formed in the tail end of the hollow anchor rod and communicated with the hollow anchor rod, stored anchoring agents in various forms such as self-expansion anchoring agents and compression anchoring agents are pumped into the front end (connected with one end of a drill bit) of the hollow anchor rod through the water channel hole in the anchoring process, the automatic anchoring degree is further improved, the anchor rod is directly anchored after the anchoring agents are filled, and finally full-automatic anchoring is achieved.
Specifically, the hollow anchor rod 2 is in any one of a hexagonal shape, a cylindrical shape with concave grains, a threaded shape and a corrugated shape.
In this embodiment, the hollow anchor rod 2 is in one of a hexagonal shape, a polygonal shape, a cylindrical shape with concave lines, a threaded shape or a corrugated shape, so as to facilitate slag discharge and enhance adhesion and friction force.
Specifically, the hollow anchor rod 2 is in threaded connection with the drill bit 1.
In this embodiment, hollow stock 2 and drill bit 1 come to be connected through the screw thread, can dismantle drill bit 1 and hollow stock 2, the convenient change.
Specifically, the hollow anchor rod 2 is connected with the drill bit 1 in a welding or one-step forming mode.
In this embodiment, the hollow anchor rod 2 is connected with the drill bit 1 by welding or one-step forming, so that the effect of firm connection can be achieved.
Specifically, the hollow anchor rod 2 is made of any one of steel, glass fiber reinforced plastic and carbon fiber.
In the embodiment, a proper material can be selected to be used as the drilling and anchoring integrated anchor rod according to the hardness and the depth of the rock mass of the drilling and anchoring; the anchor rod is machined by a machine tool, the specification standard is unified, the precision and the quality are improved, and the automatic control is convenient to realize.
Specifically, the method for anchoring and grouting the drilling and anchoring integrated hollow anchor rod comprises the following steps:
s1: the anchoring agent is infiltrated into the hollow anchor rod integrated with the drilling and anchoring through the water passage hole (5);
s2: drilling a rock wall and a coal mine roadway where the anchor rod needs to be installed by using the drilling and anchoring integrated hollow anchor rod of S1;
s3: after drilling, the infiltrated anchoring agent is pumped into one end of the drilling and anchoring integrated hollow anchor rod connected with the drill bit (1) through the water passage hole (5) and then enters the drilled hole for anchoring.
In the embodiment, the pre-stored anchoring agent is pumped into the drill hole for anchoring, and compared with the traditional anchoring circulation, the process that the drill rod and the anchor rod are used separately and the anchoring agent is filled independently is avoided, so that the anchoring process is reduced, the working time is saved, and the working efficiency is improved; the anchoring agent in the process is selected from self-expansion anchoring agent or compression anchoring agent, has strong permeability, can be strongly bonded with surrounding rock around the drill hole, has the effect of filling fractured rock mass, and enhances the anchoring force of the anchor rod.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The drilling and anchoring integrated hollow anchor rod is characterized by comprising a drill bit (1), a hollow anchor rod (2), a supporting plate (3), a locking nut (4) and a water channel hole (5); one end of the hollow anchor rod (2) is connected with the drill bit (1), and the other end of the hollow anchor rod is provided with a supporting plate (3) through a locking nut (4); the hollow anchor rod (2) is internally provided with a water channel hole (5) which penetrates through the hollow anchor rod (2) in the extending direction.
2. The hollow anchor-drilling integrated bolt according to claim 1, wherein the shape of the hollow bolt (2) is any one of hexagonal type, cylindrical and concave-grained type, threaded type or corrugated type.
3. A drill-anchor integrated hollow rock bolt according to claim 1, characterized in that the hollow rock bolt (2) is in threaded connection with a drill bit (1).
4. A drill-anchor integrated hollow bolt according to claim 1, characterized in that the hollow bolt (2) is welded or one-shot formed with the drill bit (1).
5. The hollow anchor-drilling integrated bolt according to claim 1, characterized in that the material of the hollow anchor rod (2) is any one of steel, glass fiber reinforced plastic and carbon fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493687.8U CN212250092U (en) | 2020-04-07 | 2020-04-07 | Drilling and anchoring integrated hollow anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493687.8U CN212250092U (en) | 2020-04-07 | 2020-04-07 | Drilling and anchoring integrated hollow anchor rod |
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| Publication Number | Publication Date |
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| CN212250092U true CN212250092U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020493687.8U Active CN212250092U (en) | 2020-04-07 | 2020-04-07 | Drilling and anchoring integrated hollow anchor rod |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577357A (en) * | 2020-04-07 | 2020-08-25 | 山西海洁机电科技有限公司 | Drilling and anchoring integrated hollow anchor rod and anchoring method |
| CN114086999A (en) * | 2021-12-03 | 2022-02-25 | 武钢资源集团金山店矿业有限公司 | Anchoring method of tube seam anchor rod |
-
2020
- 2020-04-07 CN CN202020493687.8U patent/CN212250092U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577357A (en) * | 2020-04-07 | 2020-08-25 | 山西海洁机电科技有限公司 | Drilling and anchoring integrated hollow anchor rod and anchoring method |
| CN114086999A (en) * | 2021-12-03 | 2022-02-25 | 武钢资源集团金山店矿业有限公司 | Anchoring method of tube seam anchor rod |
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