CN214145539U - Grouting self-drilling type positioning anchor rod with wings - Google Patents
Grouting self-drilling type positioning anchor rod with wings Download PDFInfo
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- CN214145539U CN214145539U CN202022884543.8U CN202022884543U CN214145539U CN 214145539 U CN214145539 U CN 214145539U CN 202022884543 U CN202022884543 U CN 202022884543U CN 214145539 U CN214145539 U CN 214145539U
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Abstract
A grouting self-drilling type winged positioning anchor rod comprises a hollow anchor rod main body, wherein a plurality of groups of detachable winged anchor head mechanisms are arranged outside the hollow anchor rod main body, and the left end of the hollow anchor rod main body is provided with a detachable self-drilling anchor head mechanism which comprises a self-drilling anchor head, a cylindrical sleeve, a connecting rod, a first grout outlet and a second grout outlet; the utility model has the advantages of reasonable structural design, the device can effectively apply prestress to the rock mass in advance by pulling the pull ring and the flexible steel strand, resist the deformation of the rock mass in the early stage and provide time for the batch grouting in the later stage; slurry in the rock-soil body is in contact with six crescent-shaped anchor heads besides a contact surface with the hollow anchor rod main body, so that the contact area of the anchor rod and the whole grouting material is effectively increased, and the stability of the whole anchor rod is improved; and the self-drilling anchor head and the six crescent-shaped anchor heads can also enable the anchor rod main body to be positioned at the center of a drilled hole, so that the positioning effect is achieved, and the integral anchoring force of the anchor rod is effectively improved.
Description
Technical Field
The utility model relates to an anchor rod technical field specifically is a but slip casting is from boring type area wing location anchor rod.
Background
The anchor rod is the most basic component of the current underground engineering support, and the anchor rod reinforces the surrounding rocks of the roadway together to support the surrounding rocks. The anchor rod is not only used in mines, but also in engineering technology for reinforcing main bodies of slopes, tunnels and dams. The anchor rod is used as a tension member penetrating into the stratum, one end of the anchor rod is connected with an engineering structure, and the other end of the anchor rod penetrates into the stratum. In the support design of underground engineering, such as tunnel engineering, subway engineering, mining engineering, foundation pit and slope engineering, weak rock masses are often encountered, and the rock masses are easy to collapse or destabilize after excavation, so that the rock masses need to be actively reinforced through anchor rods.
The conventional common anchor rod is simple in structure and single in function, drilling equipment is required to be provided after drilling is finished, operation is complicated, and rock mass collapse is easily caused; the existing common anchor rod can lead to the deformation of the rock mass in the early period, the overall anchoring force of the anchor rod is low, and great trouble is brought to the reinforcing work of the anchor rod, so that the grouting self-drilling type positioning anchor rod with the wings needs to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but slip casting is from boring type area wing location stock to solve the problem that appears among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a grouting self-drilling type wing-mounted positioning anchor rod comprises a hollow anchor rod main body, wherein an arch-shaped base plate is fixedly sleeved on the right side of the hollow anchor rod main body, the right side of the hollow anchor rod main body is provided with threads and is in threaded connection with a fastening nut, a plurality of groups of detachable wing-mounted anchor head mechanisms are arranged outside the hollow anchor rod main body, a detachable self-drilling anchor head mechanism is arranged at the left end of the hollow anchor rod main body, and the detachable self-drilling anchor head mechanism comprises a self-drilling anchor head, a cylindrical sleeve, a connecting rod, a first grout outlet and a second grout outlet;
the connecting rod sets up between self-drilling anchor head and cylinder type sleeve pipe, cylinder type sleeve pipe right-hand member is installed in the left end of cavity stock main part, a plurality of first grout outlet has been seted up to the connecting rod outer wall, the second grout outlet is seted up in the left end middle part of self-drilling anchor head.
Preferably, the groutable self-drilling type winged positioning anchor rod comprises a plurality of hinged supports, a crescent-shaped anchor head, flexible steel strands and a pull ring, wherein the hinged supports are uniformly arranged on the outer wall of the hollow anchor rod main body, the flexible steel strands are fixedly connected to one ends of the hinged supports, the crescent-shaped anchor head is hinged to the other end of the hinged support, and the pull ring is fixedly connected to the other end of the flexible steel strands.
Preferably, the number of the detachable winged anchor head mechanisms is two.
Preferably, the number of the hinged supports in each group is three, and the hinged supports are annularly and uniformly distributed on the outer wall of the hollow anchor rod main body.
Preferably, but slip casting is from boring type area wing location stock, first grout outlet quantity is established to three, first grout outlet is cyclic annular evenly seted up in the connecting rod outer wall.
Preferably, but slip casting is from boring type area wing location stock, cavity stock main part right side outer wall cover is equipped with ends thick liquid stopper, it laminates in arch shaped backing plate left end to end thick liquid stopper right-hand member.
Preferably, the self-drilling grouting anchor rod with wings has a self-drilling anchor head with a diameter twice that of the main body of the hollow anchor rod.
Preferably, the right end of the cylindrical sleeve is connected with the hollow anchor rod main body in a welding mode.
Preferably, but slip casting is from boring type area wing location stock, cavity stock main part left side also is provided with the screw thread, the cylinder type sleeve pipe is threaded connection with cavity stock main part.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structure design, the device adopts the self-drilling anchor head 6 which is spliced into a whole set to form a hole, no additional drilling machine equipment is needed for drilling, the operation is simple, the cost is low, the rock mass hole collapse caused by the lifting of the drilling machine is avoided, and the practicability is high; the six crescent-shaped anchor heads rotate around the hinged support to form about 60 degrees by pulling the pull ring and the flexible steel strand, so that the formed adjustable wing anchor head can effectively apply prestress to the rock mass in advance through two groups of six crescent-shaped anchor heads, resist the deformation of the rock mass in the early stage and provide time for the batch grouting in the later stage; slurry in the rock-soil body is in contact with six crescent-shaped anchor heads besides a contact surface with the hollow anchor rod main body, so that the contact area of the anchor rod and the whole grouting material is effectively increased, and the stability of the whole anchor rod is improved; still can make the stock main part be in the central point of drilling from boring anchor head and six crescent anchor heads in addition, play the positioning action, can effectively ensure the operating condition of stock, and then the effectual holistic anchoring force of stock that has improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the detachable self-drilling anchor head mechanism of the present invention;
FIG. 3 is a schematic side sectional view of the detachable winged anchor head mechanism of the present invention;
fig. 4 is a schematic sectional view of the utility model a-a.
In the drawings, the components represented by the respective reference numerals are listed below:
1-hollow anchor rod body, 2-arched backing plate, 3-fastening nut, 4-detachable winged anchor head mechanism, 401-hinged support, 402-crescent anchor head, 403-flexible steel strand, 404-pull ring, 5-detachable self-drilling anchor head mechanism, 501-servo motor, 502-first straight gear, 503-first belt wheel, 504-second straight gear, 6-self-drilling anchor head, 7-cylindrical sleeve, 8-connecting rod, 9-first grout outlet, 10-second grout outlet and 11-grout stop plug.
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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention。
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, the present embodiment is a groutable self-drilling type winged positioning anchor rod, which includes a hollow anchor rod body 1, an arch-shaped backing plate 2 is fixedly sleeved on the right side of the hollow anchor rod body 1, the right side of the hollow anchor rod body 1 is provided with threads and is screwed with a fastening nut 3, a plurality of detachable winged anchor head mechanisms 4 are arranged outside the hollow anchor rod body 1, a detachable self-drilling anchor head mechanism 5 is arranged at the left end of the hollow anchor rod body 1, and the detachable self-drilling anchor head mechanism 5 includes a self-drilling anchor head 6, a cylindrical sleeve 7, a connecting rod 8, a first grout outlet 9 and a second grout outlet 10;
connecting rod 8 sets up between self-drilling anchor head 6 and cylinder type sleeve pipe 7, and cylinder type sleeve pipe 7 right-hand member is installed in the left end of cavity stock main part 1, and a plurality of first grout outlet 9 have been seted up to connecting rod 8 outer wall, and second grout outlet 10 is seted up in the left end middle part of self-drilling anchor head 6.
The detachable winged anchor head mechanism 4 comprises a plurality of hinged supports 401, crescent-shaped anchor heads 402, flexible steel strands 403 and pull rings 404, the hinged supports 401 are uniformly installed on the outer wall of the hollow anchor rod main body 1, the flexible steel strands 403 are fixedly connected to one ends of the hinged supports 401, the crescent-shaped anchor heads 402 are hinged to the other ends of the hinged supports 401, and the pull rings 404 are fixedly connected to the other ends of the flexible steel strands 403.
The number of the detachable winged anchor head mechanisms 4 is two, and six crescent-shaped anchor heads 402 in the two detachable winged anchor head mechanisms 4 can effectively apply prestress to the rock mass in advance to resist the early deformation of the rock mass.
The number of each group of hinged supports 401 is set to be three, the hinged supports 401 are uniformly distributed on the outer wall of the hollow anchor rod main body 1 in an annular mode, each group of three hinged supports 401 is a group of three crescent-shaped anchor heads 402, the contact area between the three groups of hinged supports 401 and grouting slurry can be increased, the hollow anchor rod main body 1 can be centered, and the overall anchoring force of the hollow anchor rod main body 1 is effectively improved.
The number of the first slurry outlet holes 9 is three, the first slurry outlet holes 9 are annularly and uniformly arranged on the outer wall of the connecting rod 8, and slurry can be uniformly discharged through the three first slurry outlet holes 9.
The outer wall of the right side of the hollow anchor rod main body 1 is sleeved with a grout stop plug 11, and the right end of the grout stop plug 11 is attached to the left end of the arched base plate 2; the grout stop plug 11 can ensure the sealing performance of the hollow anchor rod body 1 and prevent cement grout from leaking.
The diameter of the self-drilling anchor head 6 is twice the diameter of the hollow anchor rod main body 1, and the self-drilling anchor head 6 is convenient to form holes.
The right end of the cylindrical sleeve 7 is connected with the hollow anchor rod main body 1 in a welding mode, and the welding stability is high.
The left side of the hollow anchor rod main body 1 is also provided with threads, the cylindrical sleeve 7 is in threaded connection with the hollow anchor rod main body 1, the cylindrical sleeve 7 can be conveniently detached and replaced, and the self-drilling anchor head mechanism 5 can be detached and assembled, so that subsequent use is facilitated.
The utility model discloses a theory of operation does:
when the device is used, the anchor rod is positioned and punched at the position where the anchor rod needs to be reinforced according to the design scheme, the spliced self-drilling anchor head 6 is adopted for forming a hole, the diameter of the self-drilling anchor head 6 at the front end is two times of that of the hollow anchor rod main body 1, drilling is not needed by other drilling machine equipment, the operation is simple, the cost is low, the rock body collapse caused by the drilling machine is avoided, and the practicability is high; after drilling is finished, the self-drilling anchor head 6 and the hollow anchor rod main body 1 are located in the groove after the hole is opened, then the pull ring 404 is pulled forcibly to pull the flexible steel strand 403, so that the six crescent-shaped anchor heads 402 rotate around the hinge support 401 to form about 60 degrees, and the formed adjustable wing anchor head enables the six crescent-shaped anchor heads 402 in the groove to rotate to be in a working state, such as a dotted line part in the attached figures 1 and 3; then the nut 3 is fastened to apply certain prestress to the anchor rod; and finally, after the anchor rod of the device is completely arranged, connecting the prefabricated micro-expansion cement slurry with the hollow anchor rod main body 1 through an air compressor and injecting the cement slurry into the rock-soil body, wherein the cement slurry entering the hollow anchor rod main body 1 flows out of the rock-soil body through the first slurry outlet hole 9 and the second slurry outlet hole 10. And (3) plugging all the first grout outlet holes 9 and all the second grout outlet holes 10 in time by using an anchoring agent after grouting is finished. After the cement grout is solidified, the grout in the rock-soil body is in contact with the six crescent-shaped anchor heads 402 besides the contact surface with the hollow anchor rod main body 1, so that the contact area of the anchor rod and the whole grouting material is effectively increased, and the stability of the whole anchor rod is improved; the crescent-shaped anchor head 402 can effectively apply prestress to the rock mass in advance, resist the deformation of the rock mass in the early stage and provide time for the batch grouting in the later stage; on the other hand, the front end of the self-drilling anchor head 6 and the six crescent-shaped anchor heads 402 can enable the anchor rod main body to be positioned in the center of a drilled hole, so that the positioning effect is achieved, the working state of the anchor rod can be effectively ensured, and the integral anchoring force of the anchor rod is effectively improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Claims (9)
1. The utility model provides a but slip casting is from boring type area wing location stock, includes cavity stock main part (1), its characterized in that: the right side of the hollow anchor rod main body (1) is fixedly connected with an arched base plate (2) in a sleeved mode, the right side of the hollow anchor rod main body (1) is provided with threads and is connected with a fastening nut (3) in a threaded mode, a plurality of groups of detachable winged anchor head mechanisms (4) are arranged outside the hollow anchor rod main body (1), the left end of the hollow anchor rod main body (1) is provided with a detachable self-drilling anchor head mechanism (5), and the detachable self-drilling anchor head mechanism (5) comprises a self-drilling anchor head (6), a cylindrical sleeve (7), a connecting rod (8), a first grout outlet (9) and a second grout outlet (10);
connecting rod (8) set up in from between anchor head (6) and cylinder type sleeve pipe (7), cylinder type sleeve pipe (7) right-hand member is installed in the left end of cavity stock main part (1), a plurality of first grout outlet (9) have been seted up to connecting rod (8) outer wall, second grout outlet (10) are seted up in the left end middle part from anchor head (6).
2. A groutable self-drilling winged locator anchor rod as claimed in claim 1, wherein: detachable winged anchor head mechanism (4) includes a plurality of hinged-supports (401), crescent anchor head (402), flexible steel strand wires (403) and pull ring (404), and is a plurality of hinged-supports (401) are evenly installed on cavity stock main part (1) outer wall, flexible steel strand wires (403) rigid coupling is in the one end of hinged-supports (401), crescent anchor head (402) articulates in hinged-supports (401) the other end, pull ring (404) rigid coupling is in the other end of flexible steel strand wires (403).
3. A groutable self-drilling winged locator anchor rod as claimed in claim 1, wherein: the number of the detachable winged anchor head mechanisms (4) is two.
4. A groutable self-drilling winged locator anchor rod as claimed in claim 2, wherein: the number of each group of hinged supports (401) is three, and the hinged supports (401) are uniformly distributed on the outer wall of the hollow anchor rod main body (1) in an annular mode.
5. A groutable self-drilling winged locator anchor rod as claimed in claim 1, wherein: the number of the first slurry outlet holes (9) is three, and the first slurry outlet holes (9) are uniformly arranged on the outer wall of the connecting rod (8) in an annular mode.
6. A groutable self-drilling winged locator anchor rod as claimed in claim 1, wherein: the outer wall cover in cavity stock main part (1) right side is equipped with and ends thick liquid stopper (11), it laminates in arch backing plate (2) left end to end thick liquid stopper (11) right-hand member.
7. A groutable self-drilling winged locator anchor rod as claimed in claim 1, wherein: the diameter of the self-drilling anchor head (6) is twice that of the hollow anchor rod main body (1).
8. A groutable self-drilling winged locator anchor rod as claimed in claim 1, wherein: the right end of the cylindrical sleeve (7) is connected with the hollow anchor rod main body (1) in a welding mode.
9. A groutable self-drilling winged locator anchor rod as claimed in claim 1, wherein: the hollow anchor rod is characterized in that threads are also arranged on the left side of the hollow anchor rod main body (1), and the cylindrical sleeve (7) is in threaded connection with the hollow anchor rod main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022884543.8U CN214145539U (en) | 2020-12-04 | 2020-12-04 | Grouting self-drilling type positioning anchor rod with wings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022884543.8U CN214145539U (en) | 2020-12-04 | 2020-12-04 | Grouting self-drilling type positioning anchor rod with wings |
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| CN214145539U true CN214145539U (en) | 2021-09-07 |
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| CN202022884543.8U Active CN214145539U (en) | 2020-12-04 | 2020-12-04 | Grouting self-drilling type positioning anchor rod with wings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541384A (en) * | 2022-01-28 | 2022-05-27 | 江苏科技大学 | Self-expanding anchor rod adapting to water level change |
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2020
- 2020-12-04 CN CN202022884543.8U patent/CN214145539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541384A (en) * | 2022-01-28 | 2022-05-27 | 江苏科技大学 | Self-expanding anchor rod adapting to water level change |
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