CN220815705U - Anticreep fixed stock - Google Patents
Anticreep fixed stock Download PDFInfo
- Publication number
- CN220815705U CN220815705U CN202322635422.3U CN202322635422U CN220815705U CN 220815705 U CN220815705 U CN 220815705U CN 202322635422 U CN202322635422 U CN 202322635422U CN 220815705 U CN220815705 U CN 220815705U
- Authority
- CN
- China
- Prior art keywords
- rod
- anchor
- movable
- anchor rod
- stock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011435 rock Substances 0.000 claims abstract description 24
- 238000007569 slipcasting Methods 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000011440 grout Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides an anticreep fixed stock, includes the stock body and sets up the drill bit in stock body tip, the inside hollow structure that is of stock body, be equipped with the slip casting hole that is used for being connected with the slip casting pipeline of slip casting machine on the stock body one end of stock body far away from the drill bit, the slip casting hole is linked together with stock body inside, be equipped with the movable groove on the outer peripheral face of drill bit, be equipped with the movable rod to the outside pivoted of stock body in the movable groove, the movable rod is used for preventing the stock body from breaking away from the stock hole on the rock wall after expanding along the movable groove; the rock stratum loosening device is simple and reasonable in structure, and can effectively solve the problem that the rock stratum loosening causes the anchor rod body to fall off from the anchor rod hole.
Description
Technical Field
The utility model relates to the field of rock wall support, in particular to an anti-drop fixed anchor rod.
Background
The stock is usually used for roadway support, when there is not hard up in the roadway stratum, uses the slip casting stock to carry out slip casting to the roadway stratum inside generally to realize strengthening the country rock in the roadway. But even carry out slip casting operation to the country rock, the inside rock formation still can take place to become flexible in the long-time use, when the inside rock of rock formation takes place to become flexible, the inside rock of stock hole will become flexible to lead to easily that the stock drops from stock hole inside.
Disclosure of utility model
The utility model aims to provide an anti-falling fixed anchor rod which can prevent the anchor rod from falling from the inside of an anchor rod hole when a rock stratum is loosened.
In order to solve the technical problems, the utility model adopts the following specific scheme:
The utility model provides a fixed stock of anticreep, includes the stock body of rod and sets up the drill bit at stock body of rod tip, the inside hollow structure that is of stock body of rod, be equipped with on the one end that the drill bit was kept away from to the stock body of rod be used for the slip casting hole of slip casting line connection with the slip casting machine, slip casting hole is linked together with the inside stock body of rod, be equipped with the movable groove on the outer peripheral face of drill bit, be equipped with the movable rod to stock body of rod outside pivoted in the movable groove, the movable rod is used for preventing the stock body of rod to break away from the stock hole on the rock wall after expanding along the movable groove.
The inside push rod that is equipped with sliding connection of stock body is equipped with the extrusion spring that is used for ejecting movable rod out the movable groove on the push rod.
The inner wall of the anchor rod body is of a polygonal structure, an extrusion block used for pushing the push rod to advance along the inner portion of the anchor rod body is arranged in the anchor rod body, and the extrusion block is of a polygonal structure and is attached to the inner wall of the anchor rod body.
The movable groove is internally provided with a rotating shaft connected with the movable rod, the movable rod is provided with a rotating hole matched with the rotating shaft, and the movable rod rotates along the central axis of the rotating shaft to the outside of the anchor rod body.
The two sides of the movable rod are correspondingly provided with limit grooves, limit blocks in sliding connection are arranged in the limit grooves, the limit rods are arranged on the limit blocks, and limit springs for pushing the limit rods out of the limit grooves are arranged between the limit blocks and the limit grooves.
The open part of the limit groove is provided with a protruding structure for preventing the limit block from separating from the limit groove.
The drill bit is in threaded connection with the anchor rod body.
The anchor rod body is provided with a backing plate, the anchor rod body is provided with a nut for fixing the backing plate and a grout stop plug for preventing grout from flowing back, and the grout stop plug and the nut are respectively positioned on two sides of the backing plate.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
According to the rock stratum rock drill, the movable rod which can be opened is arranged on the drill bit, so that the rock stratum rock drill is prevented from falling from the rock stratum rock drill hole when the rock stratum is loosened. In example 1, the grouting pipeline of the grouting machine provides pressure in the grouting process to enable the movable rod to be located in the anchor rod hole and spread in an umbrella shape, so that the anchor rod body is prevented from falling out of the anchor rod hole. In the embodiment 2 of the present utility model, the push rod and the extrusion spring are provided to push the movable rod out of the movable groove to prevent the anchor rod body from falling out of the anchor rod hole, unlike the embodiment 1, the extrusion spring of the embodiment 2 can further expand the movable rod when the rock wall in the anchor rod hole is loose, so that the movable rod is always attached to the inner wall of the anchor rod hole, thereby preventing the anchor rod from falling out; the rock stratum loosening device is simple and reasonable in structure, and can effectively solve the problem that the rock stratum loosening causes the anchor rod body to fall off from the anchor rod hole.
Drawings
FIG. 1 is a schematic view of the structure of an embodiment 1 of the present utility model;
FIG. 2 is a schematic view of a drill bit according to the present utility model;
FIG. 3 is a schematic illustration of the mounting of a stop lever of the present utility model;
FIG. 4 is a schematic structural diagram of embodiment 2 of the present utility model;
1. A bolt body; 2. a drill bit; 3. a movable rod; 4. a rotating shaft; 5. extruding a block; 6. a push rod; 7. extruding a spring; 8. a limit groove; 9. a limit spring; 10. a limit rod; 11. a limiting block; 12. a grout stop plug; 13. a backing plate; 14. a nut; 15. a movable groove.
Detailed Description
The utility model is briefly described below by way of two examples:
example 1
As shown in fig. 1-3, a drill bit 2 in threaded connection is arranged on an anchor rod body 1, a plurality of movable grooves 15 are arranged on the drill bit 2, the movable grooves 15 are circumferentially distributed along the central axis of the drill bit 2, a rotating shaft 4 is arranged in the movable grooves 15, a movable rod 3 in rotary connection is arranged on the rotating shaft 4, and the movable rod 3 rotates towards the outside of the anchor rod body 1. The grouting hole is formed in one end, far away from the drill bit 2, of the anchor rod, the grouting hole is used for being connected with a grouting pipeline of the grouting machine, grouting can be started after the grouting pipeline of the grouting machine is connected with the grouting hole, the movable rod 3 can be unfolded towards the outside of the movable groove 15 through grouting pressure of the grouting machine, and accordingly the anchor rod body 1 is prevented from being separated from the inside of the grouting hole through unfolding the movable rod 3. The both sides of movable rod 3 are equipped with spacing groove 8, are equipped with swing joint's stopper 11 in the spacing groove 8, are equipped with gag lever post 10 on the stopper 11, are equipped with between stopper 11 and the inner wall in spacing groove 8 and are used for the spacing spring 9 with the ejecting spacing groove 8 of gag lever post 10, can make gag lever post 10 lose spacing after movable rod 3 leaves movable groove 15 to spacing spring 9 is ejecting gag lever post 10, and the gag lever post 10 after ejecting can prevent movable rod 3 reentrant movable groove 15 inside. Embodiment 1 can expand the movable rod 3 by grouting pressure, has the effect of convenient use, can complete support more rapidly and prevent the anchor rod body 1 from being separated from the anchor rod hole.
Example 2
As shown in fig. 2-4, under the condition of no grouting, a drill bit 2 in threaded connection is arranged on the anchor rod body 1, a plurality of movable grooves 15 are arranged on the drill bit 2, the movable grooves 15 are circumferentially distributed along the central axis of the drill bit 2, a rotating shaft 4 is arranged in the movable grooves 15, a movable rod 3 in rotary connection is arranged on the rotating shaft 4, and the movable rod 3 rotates towards the outside of the anchor rod body 1. The extrusion block 5 and the push rod 6 are arranged inside the anchor rod body 1, the extrusion spring 7 is arranged on the push rod 6, the movable rod 3 is ejected out of the movable groove 15 through the extrusion spring 7, the extrusion block 5 and the inside of the anchor rod body 1 are of a polygonal structure, the extrusion block 5 of the polygonal structure can ensure that the extrusion block cannot rotate by itself, so that the push rod 6 cannot be driven to rotate in the advancing process, and then the extrusion spring 7 can accurately push the movable rod 3 out of the movable groove 15. A grouting hole is provided at one end far from the drill bit 2, through which the pressing block 5 is pushed, so that the movable rod 3 is ejected out through the pressing spring 7. Different from embodiment 1, the scheme of ejecting the movable rod 3 by adopting the extrusion spring 7 can make the movable rod 3 fit with the inner wall of the anchor rod hole, so that the advantage is that even if the rock wall in the anchor rod hole is loosened, the movable rod 3 can be further opened by adopting the extrusion spring 7, and the movable rod 3 is always fit with the inner wall of the anchor rod hole, thereby preventing the anchor rod body 1 from being separated from the anchor rod hole. The anchor rod body 1 is also provided with a base plate 13, the base plate 13 is used for fixing the anchor rod body 1, the anchor rod body 1 is provided with a nut 14 for fixing the base plate 13 and a grout stop plug 12 for preventing grout from flowing back, the grout stop plug 12 can prevent grout in an anchor rod hole from overflowing from the base plate 13, the grout stop plug 12 and the nut 14 are respectively positioned on two sides of the base plate 13, and the nut 14 is used for fixing the base plate 13 and the anchor rod body 1.
Claims (7)
1. The utility model provides a fixed stock of anticreep, includes stock body of rod (1) and sets up drill bit (2) at stock body of rod (1) tip, inside hollow structure that is of stock body of rod (1), be equipped with the slip casting hole that is used for being connected with grouting line of slip casting machine on the one end that drill bit (2) was kept away from to stock body of rod (1), slip casting hole and stock body of rod (1) are inside to be linked together, characterized by: the outer peripheral surface of the drill bit (2) is provided with a movable groove (15), a movable rod (3) which rotates towards the outside of the anchor rod body (1) is arranged in the movable groove (15), and the movable rod (3) is used for preventing the anchor rod body (1) from being separated from an anchor rod hole on a rock wall after being unfolded along the movable groove (15);
the inside of the anchor rod body (1) is provided with a push rod (6) which is in sliding connection, and the push rod (6) is provided with an extrusion spring (7) which is used for ejecting the movable rod (3) out of the movable groove (15).
2. The anti-drop anchor of claim 1, wherein: the inner wall of the anchor rod body (1) is of a polygonal structure, an extrusion block (5) used for pushing the push rod (6) to move along the inner portion of the anchor rod body (1) is arranged inside the anchor rod body (1), and the extrusion block (5) is of a polygonal structure and is attached to the inner wall of the anchor rod body (1).
3. The anti-drop anchor of claim 1, wherein: the movable groove (15) is internally provided with a rotating shaft (4) connected with the movable rod (3), the movable rod (3) is provided with a rotating hole matched with the rotating shaft (4), and the movable rod (3) rotates along the central axis of the rotating shaft (4) towards the outside of the anchor rod body (1).
4. A drop-resistant securing bolt according to any one of claims 1 to 3, wherein: limiting grooves (8) are correspondingly formed in two sides of the movable rod (3), limiting blocks (11) in sliding connection are arranged in the limiting grooves (8), limiting rods (10) are arranged on the limiting blocks (11), and limiting springs (9) used for pushing the limiting rods (10) out of the limiting grooves (8) are arranged between the limiting blocks (11) and the limiting grooves (8).
5. The anti-drop anchor of claim 4, wherein: the open part of the limit groove (8) is provided with a protruding structure for preventing the limit block (11) from separating from the limit groove (8).
6. The anti-drop anchor of claim 1, wherein: the drill bit (2) is in threaded connection with the anchor rod body (1).
7. The anti-drop anchor of claim 1, wherein: the anchor rod body (1) is provided with a backing plate (13), the anchor rod body (1) is provided with a nut (14) for fixing the backing plate (13) and a grout stop plug (12) for preventing grout from flowing back, and the grout stop plug (12) and the nut (14) are respectively positioned on two sides of the backing plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322635422.3U CN220815705U (en) | 2023-09-27 | 2023-09-27 | Anticreep fixed stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322635422.3U CN220815705U (en) | 2023-09-27 | 2023-09-27 | Anticreep fixed stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220815705U true CN220815705U (en) | 2024-04-19 |
Family
ID=90676071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322635422.3U Active CN220815705U (en) | 2023-09-27 | 2023-09-27 | Anticreep fixed stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220815705U (en) |
-
2023
- 2023-09-27 CN CN202322635422.3U patent/CN220815705U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |