CN219910827U - Grouting anchor rod - Google Patents
Grouting anchor rod Download PDFInfo
- Publication number
- CN219910827U CN219910827U CN202321539152.XU CN202321539152U CN219910827U CN 219910827 U CN219910827 U CN 219910827U CN 202321539152 U CN202321539152 U CN 202321539152U CN 219910827 U CN219910827 U CN 219910827U
- Authority
- CN
- China
- Prior art keywords
- grouting
- anchor rod
- anchor
- main body
- outer tube
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Links
- 238000004873 anchoring Methods 0.000 claims abstract description 9
- 238000007569 slipcasting Methods 0.000 claims description 13
- 239000011435 rock Substances 0.000 abstract description 23
- 238000005553 drilling Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 10
- 239000011440 grout Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a grouting anchor rod, which belongs to the technical field of constructional engineering equipment and comprises an anchor rod main body, wherein the bottom end of the anchor rod main body is in threaded connection with a drill bit, the outer surface of the anchor rod main body is in threaded connection with a fixing ring, after drilling is completed, the anchor rod main body, an anchor plate and other parts are arranged, a fixing pin is removed, then the anchor rod main body is rotated in an outer tube, so that the drill bit and the anchor rod main body are spirally lifted in the outer tube together, the anchor plate and a movable block are extruded by a conical surface above the drill bit to rotate along the outer surface of a rotary joint together, the effect of outwards expanding the anchor plate and embedding a rock layer through rotating the anchor rod main body is achieved, the device can be fixed in the rock body after the drilling is completed, the contact area between the device and the grouting body can be increased through the expansion of the anchor plate, the anchoring force of the device is increased, and the problem that the existing device cannot be fixed on a rock layer before grout is solidified is solved.
Description
Technical Field
The utility model relates to a grouting anchor rod, and belongs to the technical field of constructional engineering equipment.
Background
The anchor rod is an excellent structure for reinforcing rock and soil, the anchor rod support is a reinforcing support mode adopted in the construction of earth surface engineering such as side slopes, rock and soil deep foundation pits and underground pillbox chambers such as tunnels, stopes and the like, a pole column is made of metal pieces, wood pieces and polymer pieces, the anchor rod is driven into a hole drilled in advance on the earth surface rock mass or surrounding rock mass of the pillbox chamber, and the special structures of the head part and the rod body and the tail support plate are utilized, or the surrounding rock and the stable rock mass are combined together by means of adhesion to generate a suspension effect, a combined beam effect and a reinforcing effect so as to achieve the aim of support. The method has the advantages of low cost, good supporting effect, simple and convenient operation, flexible use, small occupied construction clearance and the like.
Through the search, the self-drilling hollow grouting anchor disclosed in Chinese patent with publication number of CN215633062U is technically characterized in that: including first stock, second stock and sealing mechanism, sealing mechanism is including communicating pipe, first slip casting pipe, first sealing washer, second slip casting pipe, second sealing washer, play thick liquid spray tube and connecting block, the external screw thread has been seted up to the outer wall of first stock and second stock, the internal screw thread has been seted up to the inner wall of communicating pipe, through setting up communicating pipe, first slip casting pipe, first sealing washer, second slip casting pipe, second sealing washer, play thick liquid spray tube and connecting block, has reached sealed effect, has solved at self-drilling type cavity stock slip casting in-process, does not have sealing device, leads to leaking thick liquid, slip casting pressure loss seriously, cement thick liquid can not pack in the rock mass crack well to the problem of engineering quality has been reduced greatly.
The problem that in the grouting process of the self-drilling hollow anchor rod, no sealing device is arranged, so that slurry leakage and grouting pressure loss are serious, cement slurry cannot be well filled into rock mass cracks, and therefore engineering quality is greatly reduced is solved, but the existing self-drilling anchor rod cannot be stably fixed in a rock mass before slurry is solidified, so that the problem that the anchor rod falls or shifts when being installed in the rock mass above or obliquely above, the effect of reinforcing the rock mass by the anchor rod is affected, and construction efficiency is greatly reduced is still solved.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the grouting type anchor rod solves the problems that in the prior art, a device cannot be fixed with the inner wall of a rock body before slurry is solidified, and when the device is installed in the rock body above or obliquely above, the grouting body falls or shifts easily before solidification.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme:
the utility model provides a slip casting formula stock, includes the stock main part, the bottom threaded connection of stock main part has the drill bit, the surface threaded connection of stock main part has solid fixed ring, gu fixed ring's surface fixedly connected with equidistance distribution's connecting rod, the top of drill bit is equipped with the outer tube, every the connecting rod all with the inner wall fixed connection of outer tube, the bottom fixedly connected with equidistance distribution's of outer tube revolute joint, every the surface of revolute joint all rotates and is connected with the movable block, every the equal fixedly connected with anchor plate in bottom of movable block.
Through adopting above-mentioned technical scheme, through rotating the stock main part in the fixed ring for the stock main part rises in the outer tube, thereby makes the stock main part drive the drill bit and upwards moves, promotes anchor plate and movable block along the surface rotation of revolute joint through the drill bit, thereby reaches through the expansion embedding of anchor plate in the rock mass layer, makes the device fix in the anchor eye.
The utility model is further provided with: the upper surface of every anchor board is all fixedly connected with two connecting plates, every the connecting plate all with the bottom fixed connection of outer tube.
Through adopting above-mentioned technical scheme, make the anchor board can fix on the outer tube through setting up the connecting plate, when the drill bit promotes the anchor board and expands, the connecting plate can take place deformation.
The utility model is further provided with: the grouting groove is formed in the anchor rod main body, and the grouting plug is connected to the outer surface of the anchor rod main body in a threaded mode.
By adopting the technical scheme, after the device is fixed in the anchor hole, grouting is performed in the anchor hole through the grouting groove, and the maximum diameter of the grouting stop plug is larger than the maximum diameter of the drill bit.
The utility model is further provided with: grouting openings distributed at equal intervals are formed in the anchor rod main body, and each grouting opening is communicated with the grouting groove.
Through adopting above-mentioned technical scheme, the thick liquid gets into the back from the top of slip casting groove, flows from the slip casting mouth, and the slip casting mouth is in the inside of outer tube, can not be by the problem of rubble jam.
The utility model is further provided with: the outer surface of stock main part has cup jointed the baffle, the surface threaded connection of stock main part has fixing nut.
Through adopting above-mentioned technical scheme, fix the baffle on the ground surface through rotating the fixation nut, prevent that thick liquid from flowing out in the anchor eye.
The utility model is further provided with: the inside threaded connection of stock main part has the fixed pin, the surface and the outer tube threaded connection of fixed pin.
Through adopting above-mentioned technical scheme, make stock main part and outer tube fixed together through the fixed pin to make the outer tube can remove together with the stock main part when drilling, take off the fixed pin after the drilling is accomplished, can drive the stock main part and rotate the rising in the fixed ring this moment.
The utility model is further provided with: the outer surface of each anchoring plate is fixedly connected with equidistant anti-slip strips, and equidistant through holes are formed in the outer tube.
Through adopting above-mentioned technical scheme, through setting up the fixed frictional force when the antislip strip has increased the anchor board and has fixed on the anchor eye inner wall, in the thick liquid flows from slip casting mouth department to the outer tube to flow in the anchor eye from the through-hole department that outer tube bottom and inside set up, make the device can ensure that the slip casting is even full.
The beneficial effects of the utility model are as follows:
1. according to the utility model, by arranging the parts such as the anchor rod main body and the anchor plate, after the drilling is completed, the fixing pin is taken down, and then the anchor rod main body is rotated in the outer tube, so that the drill bit and the anchor rod main body are lifted in a spiral manner in the outer tube together, the anchor plate and the movable block are extruded by the conical surface above the drill bit to rotate along the outer surface of the rotary joint, the effect that the anchor plate is outwards expanded and embedded into a rock mass layer by rotating the anchor rod main body is achieved, the device can be fixed in the rock mass after the drilling is completed, the contact area between the device and the grouting body can be increased by stretching the anchor plate, the anchoring force of the device is increased, and the problem that the existing device cannot be fixed on a rock stratum before slurry solidification is solved;
2. according to the utility model, by arranging the outer pipe, the grouting port and other parts, the outer pipe is arranged outside the anchor rod main body, so that the problem that the grouting port is blocked by broken stone generated during drilling can be prevented, and slurry flows into the outer pipe through the grouting port and flows into the anchor hole from the through holes formed in the bottom and the inside of the outer pipe, so that the grouting effect of the device is ensured;
drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model.
Fig. 2 is a partially enlarged schematic view of the portion a of fig. 1 according to the present utility model.
Fig. 3 is a schematic elevational view of the present utility model.
Fig. 4 is a schematic view of the main body structure of the anchor rod according to the present utility model.
Fig. 5 is a partially enlarged schematic view of the portion B of fig. 4 according to the present utility model.
In the figure: 1. an anchor body; 2. a drill bit; 3. a fixing ring; 4. a connecting rod; 5. an outer tube; 6. rotating the joint; 7. a movable block; 8. an anchor plate; 9. a connecting plate; 10. grouting grooves; 11. a grout stop plug; 12. a grouting port; 13. a baffle; 14. a fixed screw cap; 15. a fixing pin; 16. an anti-slip strip; 17. and a through hole.
Detailed Description
The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, a grouting type anchor rod comprises an anchor rod main body 1, a drill bit 2 is connected with the bottom end of the anchor rod main body 1 in a threaded manner, a fixing ring 3 is connected with the outer surface of the anchor rod main body 1 in a threaded manner, a grouting groove 10 is formed in the anchor rod main body 1, a grouting plug 11 is connected with the outer surface of the anchor rod main body 1 in a threaded manner, after the grouting device is fixed in an anchor hole, grouting is performed in the anchor hole through the grouting groove 10, and the maximum diameter of the grouting plug 11 is larger than the maximum diameter of the drill bit 2.
Grouting openings 12 distributed at equal intervals are formed in the anchor rod main body 1, each grouting opening 12 is communicated with the grouting groove 10, grout enters from the upper portion 10 of the grouting groove and flows out from the grouting opening 12, and the grouting opening 12 is arranged in the outer tube 5, so that the problem of blockage caused by broken stones cannot occur.
The baffle 13 has been cup jointed to the surface of stock main part 1, and the surface threaded connection of stock main part 1 has fixed nut 14, fixes baffle 13 on the ground surface through rotating fixed nut 14, prevents that the thick liquid from flowing out in the anchor eye.
The inside threaded connection of stock main part 1 has fixed pin 15, and the surface and the outer tube 5 threaded connection of fixed pin 15 make stock main part 1 and outer tube 5 be in the same place through fixed pin 15 to make outer tube 5 can remove together with stock main part 1 when drilling, take off fixed pin 15 after the drilling is accomplished, can drive stock main part 1 at fixed ring 3 internal rotation rise this moment.
The connecting rod 4 that the outer surface fixedly connected with equidistance of solid fixed ring 3 distributes, the top of drill bit 2 is equipped with outer tube 5, every connecting rod 4 all with the inner wall fixed connection of outer tube 5, the bottom fixedly connected with equidistance of outer tube 5 rotates joint 6, the surface of every joint 6 all rotates and is connected with movable block 7, the bottom of every movable block 7 all fixedly connected with anchor plate 8, through rotating anchor rod main part 1 in solid fixed ring 3, thereby make anchor rod main part 1 rise in outer tube 5, thereby make anchor rod main part 1 drive drill bit 2 upwards move, promote anchor plate 8 and movable block 7 through drill bit 2 and rotate along the surface of joint 6, thereby reach the expansion embedding in the rock mass layer through anchor plate 8, make the device fix in the anchor eye.
The upper surface of every anchor board 8 is all fixedly connected with two connecting plates 9, and every connecting plate 9 all is connected with the bottom fixed connection of outer tube 5, makes anchor board 8 can fix on outer tube 5 through setting up connecting plate 9, when drill bit 2 promotes anchor board 8 to expand, connecting plate 9 can take place deformation.
The outer surface of each anchor plate 8 is fixedly connected with equidistant-distributed anti-slip strips 16, equidistant-distributed through holes 17 are formed in the outer tube 5, the fixed friction force of the anchor plates 8 when fixed on the inner wall of the anchor hole is increased by arranging the anti-slip strips 16, and slurry flows into the outer tube 5 from the grouting openings 12 and flows out of the bottom of the outer tube 5 and the inner-arranged through holes 17 into the anchor hole, so that the grouting device can ensure uniform and full grouting.
The implementation principle of the utility model is as follows: when the device is used, the anchor rod main body 1 and the outer tube 5 are fixed together through the fixing pins 15, the outer tube 5 and the anchor rod main body 1 can move together when drilling is completed, the fixing pins 15 are removed after drilling is completed, the anchor rod main body 1 is driven to rise along the inner part of the fixing ring 3 in the outer tube 5 in a rotating way, so that the drill bit 2 rises and pushes the anchoring plate 8 to rotate along the outer surface of the rotary joint 6 together with the movable block 7, the anchoring plate 8 is unfolded outwards and embedded in a rock mass layer, the purpose that the device can be fixed in an anchor hole is achieved, the contact area of the device and grouting body can be increased through the unfolding of the anchoring plate 8, the anchoring force of the device is increased, grouting is then carried out through the grouting grooves 10 in the anchor rod main body 1, slurry flows into the outer tube 5 through the grouting openings 12, and flows into the anchor hole from the through holes 17 formed in the bottom and the inner part of the outer tube 5, the grouting effect of the device is ensured, the grouting device is enabled to be capable of guaranteeing the grouting effect of the device, the anchor rod is enabled to be unfolded outwards and embedded in the rock mass layer, the purpose that the device is capable of fixing the gap existing between the anchor hole and the outer surface of the main body 1 through the grouting body, and the anchor rod is prevented from overflowing phenomenon.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a slip casting formula stock, includes stock main part (1), its characterized in that: the novel anchor rod is characterized in that a drill bit (2) is connected to the bottom end of the anchor rod body (1) in a threaded manner, a fixing ring (3) is connected to the outer surface of the anchor rod body (1) in a threaded manner, connecting rods (4) distributed equidistantly are fixedly connected to the outer surface of the fixing ring (3), an outer tube (5) is arranged above the drill bit (2), each connecting rod (4) is fixedly connected with the inner wall of the outer tube (5), a rotating joint (6) distributed equidistantly is fixedly connected to the bottom end of the outer tube (5), a movable block (7) is rotatably connected to the outer surface of the rotating joint (6), and an anchor plate (8) is fixedly connected to the bottom end of each movable block (7).
2. A grouting bolt according to claim 1, wherein: the upper surface of each anchoring plate (8) is fixedly connected with two connecting plates (9), and each connecting plate (9) is fixedly connected with the bottom end of the outer tube (5).
3. A grouting bolt according to claim 1, wherein: grouting grooves (10) are formed in the anchor rod main body (1), and grouting plugs (11) are connected to the outer surface of the anchor rod main body (1) in a threaded mode.
4. A grouting bolt according to claim 3, characterised in that: grouting openings (12) distributed at equal intervals are formed in the anchor rod main body (1), and each grouting opening (12) is communicated with the grouting groove (10).
5. A grouting bolt according to claim 1, wherein: the outer surface of stock main part (1) has cup jointed baffle (13), the surface threaded connection of stock main part (1) has fixation nut (14).
6. A grouting bolt according to claim 1, wherein: the inside threaded connection of stock main part (1) has fixed pin (15), the surface of fixed pin (15) and outer tube (5) threaded connection.
7. A grouting bolt according to claim 1, wherein: the outer surface of each anchoring plate (8) is fixedly connected with equidistant anti-slip strips (16), and equidistant through holes (17) are formed in the outer tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321539152.XU CN219910827U (en) | 2023-06-16 | 2023-06-16 | Grouting anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321539152.XU CN219910827U (en) | 2023-06-16 | 2023-06-16 | Grouting anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219910827U true CN219910827U (en) | 2023-10-27 |
Family
ID=88426749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321539152.XU Active CN219910827U (en) | 2023-06-16 | 2023-06-16 | Grouting anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219910827U (en) |
-
2023
- 2023-06-16 CN CN202321539152.XU patent/CN219910827U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |