CN206053978U - A kind of new expansion grouted anchor bar - Google Patents
A kind of new expansion grouted anchor bar Download PDFInfo
- Publication number
- CN206053978U CN206053978U CN201620907849.1U CN201620907849U CN206053978U CN 206053978 U CN206053978 U CN 206053978U CN 201620907849 U CN201620907849 U CN 201620907849U CN 206053978 U CN206053978 U CN 206053978U
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- CN
- China
- Prior art keywords
- sleeve
- rod
- anchor bar
- rectangular pyramid
- new expansion
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- Expired - Fee Related
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Abstract
This utility model is a kind of new expansion grouted anchor bar, belongs to suspension roof support field.A kind of new expansion grouted anchor bar is by the body of rod、Nut、Stop grouting plug、Sleeve、Backing plate、Slurry outlet、Stifled slurry plug、Injected hole is constituted，There are four double rectangular pyramid slab structures in the axial direction of the body of rod，There is slurry outlet in double rectangular pyramid slab structures projection，Which is connected with the central slip casting passage in the body of rod，There are uniform openings corresponding with the raised protrusion sleeve of double rectangular pyramid slab structures on sleeve outside the body of rod，There are eight longitudinal slots that sleeve is uniformly divided into bearing part and the coupling part being interspersed simultaneously，Bearing part carries the two-way axial force in double rectangular pyramid slab structure projections，And radially strut and increase frictional resistance is contacted with country rock，Coupling part mainly keeps stablizing for the axial direction of sleeve，The afterbody of anchor bar body is by nut、Stifled slurry plug、Backing plate、Injected hole、Stop grouting plug is constituted，There are between a kind of new expansion grouted anchor bar and country rock 28 expansion contact faces，Its anchor force is larger，Ensure when country rock produces deformation in the presence of the factor such as gravity or tectonic stress，Expansion anchor rod still plays anchorage effect.
Description
Technical field
This utility model belongs to a kind of new expansion grouted anchor bar, belongs to Anchor in Geotechnical Engineering supporting field.
Background technology
Suspension roof support can not only be significantly improved as a kind of support pattern of the underground engineerings such as effective tunnel, mine
Supporting effect, strengthen country rock stability, substantial amounts of supporting and maintenance cost can also be saved, with support cost it is low, into road
Speed is fast, the low advantage of labor intensity, thus suspension roof support becomes a kind of main support pattern of tunnel support.But it is traditional
Anchor pole is typically prismatic, little with the contact area of country rock, and withdrawal resistance is little, especially in special geological conditions, it is difficult to
Meet the actual requirement of engineering.
Utility model content
For the deficiency that above technology is present, this utility model offer is simple, convenient efficiently a kind of new
Expansion grouted anchor bar.
For achieving the above object, this utility model is adopted the following technical scheme that and is achieved：A kind of new expansion slip casting
Anchor pole is made up of the body of rod, nut, stifled slurry plug, sleeve, backing plate, slurry outlet, stop grouting plug, injected hole, has two in the axial direction of the body of rod
More than double rectangular pyramid slab structures, have slurry outlet on double rectangular pyramid slab structures are raised, its with the body of rod in central slip casting
Passage is connected.
As improvement, there is protrusion raised with double rectangular pyramid slab structures on the sleeve outside the body of rod sleeve is corresponding and uniformly open
Mouthful.
As improvement, on sleeve, there are eight longitudinal slots that sleeve is uniformly divided into bearing part and the connection being interspersed
Part, bearing part carry the raised two-way axial force of double rectangular pyramid slab structures, and radially strut and contact with country rock
Increase frictional resistance, coupling part mainly keeps stablizing for sleeve axial direction.
Used as improvement, sleeve is connected using screw thread with backing plate, it is to avoid the relative rotation of sleeve and the body of rod.
Description of the drawings
Fig. 1 is a kind of new expansion grouted anchor bar overall structure diagram.
Fig. 2 is a kind of raised axial schematic diagram of new double rectangular pyramid plate profile structures of expansion grouted anchor bar.
Fig. 3 is a kind of new expansion grouted anchor bar A-A generalized sections.
Fig. 4 is a kind of new expansion grouted anchor bar sleeve schematic diagram.
Reference：The 1- bodies of rod, 2- nuts, 3- stop grouting plugs, 4- sleeves, 5- backing plates, 6- slurry outlets, the stifled slurry plugs of 7-, 8- notes
Slurry hole, 9- central authorities' slip casting passages, 10- openings, 11- longitudinal directions crack, the double rectangular pyramid slab structures of 12- are raised.
Specific embodiment
The following drawings is further described to particular content of the present utility model.
Specific embodiment：Anchor pole is squeezed into after bolthole, sleeve（4）With backing plate（5）It is fixed, anchor bar body is pushed away forward
Move, on the body of rod, double rectangular pyramid slab structures are raised（12）Part moves forward, and the bearing part of sleeve carries the power of axial direction, and edge
Radially uniform struts, then anchor bar body is pulled back, and on anchor bar body, double rectangular pyramid slab structure bossings are moved rearwards by, and cover
The bearing part of cylinder carries the power of axial direction, radially even to strut, by the nut of anchor pole end（2）Tighten, slip casting, increase anchor pole
With the contact area of rock mass, increase withdrawal resistance.
It is illustrated in figure 1 a kind of new expansion grouted anchor bar overall structure diagram.The utility model discloses a kind of
New expansion grouted anchor bar, this utility model mainly by the body of rod, nut, stop grouting plug, sleeve, backing plate, slurry outlet, stifled slurry plug,
Injected hole is constituted, the body of rod（1）Axial direction on have four double rectangular pyramid slab structures, it is raised in double rectangular pyramid slab structures（12）On
There is grout outlet（6）, its with the body of rod in central slip casting passage（9）It is connected, the sleeve outside the body of rod（4）On have and double rectangular pyramids
Slab structure is raised（12）The corresponding uniform openings of protrusion sleeve（10）, on sleeve, have eight longitudinal slots（11）Sleeve is uniform
Be divided into the bearing part and coupling part being interspersed, it is raised that bearing part carries double rectangular pyramid slab structures（12）On it is double
To axial force, and radially strut contact with country rock increase frictional resistance, coupling part mainly keep sleeve axial direction it is steady
It is fixed.The afterbody of anchor bar body by nut, stifled slurry plug, backing plate, injected hole, only starch hole and constitute, between this expansion grouted anchor bar and country rock
With 28 expansion contact faces, its anchor force is larger, it is ensured that when country rock is in the effect of the factor such as gravity or tectonic stress
During lower generation deformation, expansion anchor rod still plays anchorage effect.
It is illustrated in figure 2 a kind of raised axial direction schematic diagram of the double rectangular pyramid slab structures of new expansion grouted anchor bar.Double four
Pyramid slab structure is raised（12）Power on the body of rod is passed to into sleeve（4）On bearing part, bearing part stress, radially
Strut, increase contact surface is contacted with country rock, anchor force is improved.
It is illustrated in figure 3 a kind of schematic diagram of new expansion grouted anchor bar A-A sections.In double rectangular pyramid plate shapes of the body of rod
The projection of structure（12）On have grout outlet（6）, the central slip casting passage with the body of rod（9）It is connected, each grout outlet is spaced 90 °, just
It is uniform in pulp.
It is illustrated in figure 4 a kind of new expansion grouted anchor bar sleeve schematic diagram., bearing part carries double rectangular pyramid plate shapes
Structure is raised（12）Upper two-way axial force, and radially strut contact with country rock and increase frictional resistance, coupling part is main
Keep stablizing for sleeve axial direction.
Claims (3)
1. a kind of new expansion grouted anchor bar, by the body of rod（1）, nut（2）, stop grouting plug（3）, sleeve（4）, backing plate（5）, pulp
Hole（6）, stifled slurry plug（7）, injected hole（8）Composition, it is characterised in that：The body of rod（1）Axial direction on have plural pair of rectangular pyramid
Slab structure, it is raised in double rectangular pyramid slab structures（12）On have grout outlet（6）, its with the body of rod in central slip casting passage（9）
It is connected, the afterbody of anchor bar body is by nut（2）, stop grouting plug（3）, backing plate（5）, injected hole（8）, stifled slurry plug（7）Composition.
2. a kind of new expansion grouted anchor bar according to claim 1, it is characterised in that：Sleeve outside the body of rod（4）
On have and double rectangular pyramid slab structures are raised（12）The corresponding uniform openings of protrusion sleeve（10）.
3. a kind of new expansion grouted anchor bar according to claim 1, it is characterised in that：There are eight longitudinal seams on sleeve
Gap（11）Sleeve is uniformly divided into bearing part and the coupling part being interspersed, bearing part carries double rectangular pyramid plate shape knots
Structure is raised（12）On two-way axial force, and radially strut increase frictional resistance contacted with country rock, coupling part is main
Keep sleeve（4）Axial stablizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620907849.1U CN206053978U (en) | 2016-08-22 | 2016-08-22 | A kind of new expansion grouted anchor bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620907849.1U CN206053978U (en) | 2016-08-22 | 2016-08-22 | A kind of new expansion grouted anchor bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206053978U true CN206053978U (en) | 2017-03-29 |
Family
ID=58384714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620907849.1U Expired - Fee Related CN206053978U (en) | 2016-08-22 | 2016-08-22 | A kind of new expansion grouted anchor bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206053978U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087004A (en) * | 2017-12-29 | 2018-05-29 | 青岛林川工程技术咨询有限公司 | A kind of device of the first branch steel arch-shelf tension stability of raising |
| CN110593928A (en) * | 2019-10-15 | 2019-12-20 | 河源市海川新材料科技有限公司 | Anchor rod made of light-cured glass fiber reinforced rib |
| CN113294189A (en) * | 2021-07-28 | 2021-08-24 | 徐州祥瑞工程机械科技有限公司 | Grouting anchor rod |
| CN113323702A (en) * | 2021-06-17 | 2021-08-31 | 文山麻栗坡紫金钨业集团有限公司 | Transmission expansion type anchor rod and installation method thereof |
-
2016
- 2016-08-22 CN CN201620907849.1U patent/CN206053978U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087004A (en) * | 2017-12-29 | 2018-05-29 | 青岛林川工程技术咨询有限公司 | A kind of device of the first branch steel arch-shelf tension stability of raising |
| CN110593928A (en) * | 2019-10-15 | 2019-12-20 | 河源市海川新材料科技有限公司 | Anchor rod made of light-cured glass fiber reinforced rib |
| CN110593928B (en) * | 2019-10-15 | 2024-04-26 | 河源市海川新材料科技有限公司 | Anchor rod made of photo-cured glass fiber reinforced rib |
| CN113323702A (en) * | 2021-06-17 | 2021-08-31 | 文山麻栗坡紫金钨业集团有限公司 | Transmission expansion type anchor rod and installation method thereof |
| CN113294189A (en) * | 2021-07-28 | 2021-08-24 | 徐州祥瑞工程机械科技有限公司 | Grouting anchor rod |
| CN113294189B (en) * | 2021-07-28 | 2021-10-01 | 徐州祥瑞工程机械科技有限公司 | Grouting anchor rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170822 |