CN207878461U - A kind of hollow grouting anchor being easy to centering - Google Patents
A kind of hollow grouting anchor being easy to centering Download PDFInfo
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- CN207878461U CN207878461U CN201820078866.8U CN201820078866U CN207878461U CN 207878461 U CN207878461 U CN 207878461U CN 201820078866 U CN201820078866 U CN 201820078866U CN 207878461 U CN207878461 U CN 207878461U
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Abstract
The utility model is related to slope retaining apparatus fields, especially a kind of hollow grouting anchor being easy to centering, it includes a hollow slip casting body of rod, stop grouting plug, backing plate, nut, several telescopic support devices are set on the outside of the slip casting body of rod, telescopic support device includes one and the slip casting body of rod is fixedly connected with and the first support column of hollow setting, it is corresponded in the slip casting body of rod and offers an intercommunicating pore respectively at each first support column, one second support column is coaxially movably equipped in the first support column, in the connected piston plate in the bottom of the second support column, the top of the first support column of top hermetically passing of second support column simultaneously extends to its outside；Go out sizing device equipped with a voltage stabilizing in slip casting body of rod right end, it can prevent the slip casting body of rod to be in contact with borehole wall, moreover it is possible to when being sent into the slip casting body of rod not into drilling, keep the cross-sectional profiles of entire anchor pole smaller, convenient for conveying the slip casting body of rod into drilling, can effectively meet the needs of people.
Description
Technical field：
The utility model is related to slope retaining apparatus field, especially a kind of hollow grouting anchor being easy to centering.
Background technology：
With the raising of China's economy, the infrastructure work in China is developing rapidly, especially construction of road and bridge engineering,
Since the orographic condition in China is the feature that mountainous region is more, hills is more, Plain is few, the geological conditions faced in construction of road and bridge engineering
Complex, especially some mountainous regions need directly to open up on massif due to design requirements such as the angles on road surface to be ensured
Operation is opened, makes the road surface built well, bridge etc. close to geotechnical slope, thus needs to carry out firm supporting to geotechnical slope, it is hollow
Note anchor pole as a kind of more universal support pattern in slope retaining using relatively broad, especially in some surface layers pine
It dissipating, in the side slope of internal rock stability, main construction course is first to drill in side slope, installs anchor pole in hole, then via
To hole-bottom slurry-injection inside anchor pole, mortar is the power transmission medium between anchor pole and side slope, and filling quality of the mortar in drilling is to anchor
The stressed effect of bar has decisive role, the quality of supporting is directly affected, when anchor pole is longer, in anchor pole and its inner pulp
Under the gravity of liquid, it is sagging that bending easily occurs in anchor pole, makes to have in anchor pole part to be contacted with hole wall, it is intermediate that anchor pole deviates drilling
Position makes mortar be difficult to anchor pole fully wrapping up anchor pole, and rockbolt stress is poor, has seriously affected the supporting quality of anchor pole；Also,
It is directly contacted with country rock in anchor pole, when outside is without slurries package, corrosion easily occurs in anchor pole, serious to affect supporting quality
With the supporting service life.Obvious existing hollow grouting anchor can not effectively meet the needs of people.
Utility model content：
The utility model provides a kind of hollow grouting anchor being easy to centering, it is simple in structure, reasonable design, can not only
The slip casting body of rod is enough prevented to be in contact with borehole wall, moreover it is possible to when being sent into the slip casting body of rod not into drilling, make the cross of entire anchor pole
Cross section profile is smaller, effectively reduces scratching, rubbing for anchor pole and drill hole inner wall, convenient for conveying the slip casting body of rod into drilling.Obviously,
The utility model can effectively meet the needs of people.
Used technical solution is the utility model to solve above-mentioned technical problem：A kind of hollow slip casting being easy to centering
Anchor pole, including a hollow slip casting body of rod, stop grouting plug, backing plate, nut, along its length every one section on the outside of the slip casting body of rod
Rang ring is around several telescopic support devices are arranged, and the telescopic support device includes one and the slip casting body of rod is fixedly connected with and hollow setting
The first support column, the company for offering one respectively at each first support column and being communicated inside the first support column is corresponded in the slip casting body of rod
Through-hole is coaxially movably equipped with one second support column in the first support column, the bottom of the second support column connected one and first
The piston plate that dagger inner wall sealing abuts, the top of the first support column of top hermetically passing of the second support column simultaneously extends to outside it
Side；Go out sizing device equipped with a voltage stabilizing in slip casting body of rod right end, the voltage stabilizing goes out sizing device and is slidably arranged in slip casting bar including one
Internal sliding block, in the connected spring in the right side of sliding block, the substrate that the right end of spring is connected in slip casting body of rod right end with one is mutually solid
Even, several slurry outlets are offered on the slip casting body of rod on the right side of sliding block.
Further, in the connected support plate in the outside of second support column.
Further, it is equipped with an inclined-plane on the right side of the support plate.
Further, several magnetic link blocks are equipped with towards the side of the slip casting body of rod in the support plate.
Further, the intracavity section of the substrate hollow out setting, the slip casting body of rod on the right side of sliding block is more than cutting for sliding block
Face.
Further, four telescopic support devices of setting are surround every 1.5m along its length on the outside of the slip casting body of rod,
Projection of each first support column on slip casting body of rod length direction is misaligned.
The beneficial effects of the utility model are that it is simple in structure, and reasonable design, it is simple in structure, reasonable design, not only
Can make full use of the pressure of slip casting prevents the slip casting body of rod to be in contact with borehole wall, moreover it is possible to slip casting bar is being sent into not into drilling
When body, the second support column is made to have partial-length to be located in the first support column, reduces the tired of the first support column and the second support column
Product length, keeps the cross-sectional profiles of entire anchor pole smaller, effectively reduces scratching, rubbing for anchor pole and drill hole inner wall, convenient for brill
The slip casting body of rod is conveyed in hole.Obviously, the utility model can effectively meet the needs of people.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged partial sectional view at A in Fig. 1；
Fig. 3 is the enlarged partial sectional view at B in Fig. 1；
In figure, 1, the slip casting body of rod；2, stop grouting plug；3, backing plate；4, nut；5, the first support column；6, intercommunicating pore；7, second
Dagger；8, piston plate；9, sliding block；10, spring；11, substrate；12, slurry outlet；13, support plate；14, inclined-plane；15, magnetic connection
Block；16, country rock；17, slurries.
Specific implementation mode：
In order to clarify the technical characteristics of the invention, below by specific implementation mode, and its attached drawing is combined, to this reality
It is described in detail with novel.
The embodiment of the utility model is as shown in Figs. 1-3, a kind of hollow grouting anchor being easy to centering, including one hollow
The slip casting body of rod 1, stop grouting plug 2, backing plate 3, nut 4, in the outside of the slip casting body of rod 1 along its length every a distance around setting
Set several telescopic support devices, the telescopic support device includes one being fixedly connected with the slip casting body of rod 1 and first of hollow setting
Dagger 5 corresponds to the intercommunicating pore for offering one at each first support column 5 respectively and being communicated inside the first support column 5 in the slip casting body of rod 1
6, one second support column 7 is coaxially movably equipped in the first support column 5, the bottom of the second support column 7 connected one and first
The top of the piston plate 8 that 5 inner wall sealing of dagger abuts, the second support column 7 passes through the top of the first support column 5 and extends to outside it
Side；Go out sizing device equipped with a voltage stabilizing in 1 right end of the slip casting body of rod, the voltage stabilizing goes out sizing device and is slidably arranged in slip casting bar including one
Sliding block 9 in body 1, in the connected spring 10 in the right side of sliding block 9, the right end of spring 10 and one is connected in 1 right end of the slip casting body of rod
Substrate 11 is fixedly connected with, several slurry outlets 12 are offered on the slip casting body of rod 1 on 9 right side of sliding block.It is possible thereby to carrying out side slope
When supporting, first the slip casting body of rod 1 is sent to drilling, stop grouting plug 2, backing plate 3 are installed in 1 left end of the slip casting body of rod, then to slip casting bar
Injection filling slurries 17 in body 1, when in the slip casting body of rod 1 of the slurries 17 full of 9 left side of sliding block, in the effect of 17 pressure of slurries
Under, each piston plate 8 pushes the second support column 7 to stretch out the second support column 7, and the second support column 7 and the accumulation of the first support column 5 is made to grow
The length of side is spent, the outer end of the first support column 5 and drill hole inner wall abut against, the slip casting body of rod 1 propped up, and can effectively prevent the slip casting body of rod 1
Bending is sunk, and the possibility that the slip casting body of rod 1 is contacted with hole wall is reduced, after each second support column 7 stretches out, the slip casting body of rod 1
The pressure of interior slurries 17 persistently increases, and sliding block 9 is pushed to move right, when sliding block 9 moves right to slurry outlet 12, slurries 17
The outside that the slip casting body of rod 1 is flowed out by slurry outlet 12 carries out slip casting between the slip casting body of rod 1 and drilling；The utility model can not only
Enough make full use of the pressure of slip casting that the slip casting body of rod 1 is prevented to be in contact with borehole wall, moreover it is possible to be sent into slip casting bar not into drilling
When body 1, makes the second support column 7 there is partial-length to be located in the first support column 5, reduce the first support column 5 and the second support column 7
Cumulative length, keep the cross-sectional profiles of entire anchor pole smaller, effectively reduce scratching, rubbing for anchor pole and drill hole inner wall, be convenient for
The slip casting body of rod 1 is conveyed into drilling.
In the connected support plate 13 in the outside of second support column 7.It is possible thereby to increase the second support column 7 and drilling hole
Contact area between wall can effectively prevent the second support column 7 to be inserted into loose rock-soil layer, avoid noting in loose rock-soil layer
The slurry body of rod 1 is contacted with hole wall or distance is closer.
It is equipped with an inclined-plane 14 on the right side of the support plate 13.It is possible thereby to being sent into anchor pole, support plate 13 into drilling
When being contacted with borehole wall, the frictional force between support plate 13 and borehole wall is effectively reduced, plate 13 easy to support is in drilling
It is mobile.
In second support plate 13 several magnetic link blocks 15 are equipped with towards the side of the slip casting body of rod 1.It is possible thereby to
When being sent into anchor pole into hole, magnetic link block 15 can be such that the second support column 7 and first supports with the magnetic connection of the slip casting body of rod 1
The cumulative length of column 5 is smaller, keeps the cross-sectional profiles of entire anchor pole smaller, is conducive to be sent into anchor pole into drilling, to slip casting
In the body of rod 1 when injection slurries 17, slurries 17 push piston plate 8 to overcome the magnetic attracting force of magnetic link block 15, make the second support
Column 7 stretches out；Certainly in actual use, in the case where anchor pole is not inserted into state, the first support column 5 and the can also be made by other modes
The cumulative length of two support columns 7 is smaller, for example, being fixed with wax between the first support column 5 and the second support column 7, is starched by the later stage
17 pressure of liquid pushes the movement of the second support column 7；Alternatively, when being sent into anchor pole into drilling, supported by the first support column 5 and second
The frictional force between frictional force and piston plate 8 and the first support column 5 between column 7 makes 7 phase of the first support column 5 and the second support column
To fixation, even if the second support column 7 for being located at 1 downside of the slip casting body of rod nor affects on overall make since gravity part skids off
With.
11 hollow out of the substrate is arranged, and is more than the section of sliding block 9 in the intracavity section of the slip casting body of rod 1 on 9 right side of sliding block.By
This can when slurries 17 push and be moved to intracavity section large area on the right side of 9 phase of sliding block, slurries 17 can via region at this and
The substrate 11 of hollow out setting enters drilling by 1 right end of the slip casting body of rod, slurries 17 can be made to be more evenly distributed in drilling, favorably
Air in discharge drilling.
It is surround along its length every 1.5m in 1 outside of the slip casting body of rod and four telescopic support devices is set, each first
Projection of the dagger 5 on 1 length direction of the slip casting body of rod is misaligned.It is possible thereby to the entire slip casting body of rod 1 is made to be more uniformly stressed,
So that the slip casting body of rod 1 is located at the centre position in drilling, is conducive to make the slurries 17 between the slip casting body of rod 1 and drilling to be distributed more
Adding uniformly has better slip casting effect.
When in use, in 16 internal drilling of country rock, the cumulative length of the second support column 7 and the first support column 5 is preferably minimized,
Keep magnetic link block 15 in support plate 13 and the slip casting body of rod 1 attracting, then the slip casting body of rod 1 is sent into drilling, then gives note
The body of rod 1 is starched plus stop grouting plug 2, backing plate 3, slurries 17 are injected into the slip casting body of rod 1, in slip casting of the slurries 17 full of 9 left side of sliding block
When in the body of rod 1, under the action of 17 pressure of slurries, each piston plate 8 pushes the second support column 7 to stretch out the second support column 7, makes second
The cumulative length of support column 7 and the first support column 5 is elongated, and support plate 13 is abutted against with borehole wall, and the slip casting body of rod 1 is propped up,
It can effectively prevent the bending of the slip casting body of rod 1, sink, the possibility that the slip casting body of rod 1 is contacted with hole wall be reduced, in each second support column
After 7 stretch out, the pressure of slurries 17 persistently increases in the slip casting body of rod 1, and sliding block 9 is pushed to move right to intracavity section large area
When, slurries 17 enter the region around sliding block 9, and slurries 17 are entered by injected hole and substrate 11 in drilling simultaneously, to the slip casting body of rod 1
Slip casting is carried out between drilling.
Above-mentioned specific implementation mode cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (6)
1. a kind of hollow grouting anchor being easy to centering, including a hollow slip casting body of rod, stop grouting plug, backing plate, nut, feature
It is, it is described flexible along its length every a distance around several telescopic support devices of setting on the outside of the slip casting body of rod
Support device includes one and the slip casting body of rod is fixedly connected with and the first support column of hollow setting, and each first support is corresponded in the slip casting body of rod
The intercommunicating pore for offering one at column respectively and being communicated inside the first support column, is coaxially movably equipped with one second in the first support column
Support column, the bottom of the second support column be connected a piston plate abutted with the first support column inner wall sealing, the second support column
The top of the first support column of top hermetically passing simultaneously extends to its outside；Go out sizing device equipped with a voltage stabilizing in slip casting body of rod right end,
It includes a sliding block being slidably arranged in the slip casting body of rod that the voltage stabilizing, which goes out sizing device, in the connected spring in the right side of sliding block, spring
Right end be connected in the substrate of slip casting body of rod right end with one and be fixedly connected with, offering several on the slip casting body of rod on the right side of sliding block goes out
Starch hole.
2. a kind of hollow grouting anchor being easy to centering according to claim 1, it is characterised in that：In second support
The connected support plate in the outside of column.
3. a kind of hollow grouting anchor being easy to centering according to claim 2, it is characterised in that：In the support plate
Right side is equipped with an inclined-plane.
4. a kind of hollow grouting anchor being easy to centering according to claim 3, which is characterized in that in the support plate court
It is equipped with several magnetic link blocks to the side of the slip casting body of rod.
5. a kind of hollow grouting anchor being easy to centering according to claim 1, it is characterised in that：The substrate hollow out is set
It sets, the intracavity section of the slip casting body of rod on the right side of sliding block is more than the section of sliding block.
6. a kind of hollow grouting anchor being easy to centering according to claim 1, it is characterised in that：On the outside of the slip casting body of rod
Along its length every 1.5m around four telescopic support devices of setting, each first support column is along slip casting body of rod length direction
Projection it is misaligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820078866.8U CN207878461U (en) | 2018-01-17 | 2018-01-17 | A kind of hollow grouting anchor being easy to centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820078866.8U CN207878461U (en) | 2018-01-17 | 2018-01-17 | A kind of hollow grouting anchor being easy to centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207878461U true CN207878461U (en) | 2018-09-18 |
Family
ID=63507198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820078866.8U Active CN207878461U (en) | 2018-01-17 | 2018-01-17 | A kind of hollow grouting anchor being easy to centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207878461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026775A (en) * | 2021-03-25 | 2021-06-25 | 中国十九冶集团有限公司 | Grouting device, loose stratum pore-forming device and pore-forming method |
| CN114991138A (en) * | 2022-06-10 | 2022-09-02 | 中建八局第一建设有限公司 | Anti-floating anchor rod elevation and horizontal position integrated control instrument |
-
2018
- 2018-01-17 CN CN201820078866.8U patent/CN207878461U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026775A (en) * | 2021-03-25 | 2021-06-25 | 中国十九冶集团有限公司 | Grouting device, loose stratum pore-forming device and pore-forming method |
| CN114991138A (en) * | 2022-06-10 | 2022-09-02 | 中建八局第一建设有限公司 | Anti-floating anchor rod elevation and horizontal position integrated control instrument |
| CN114991138B (en) * | 2022-06-10 | 2023-07-25 | 中建八局第一建设有限公司 | Anti-floating anchor rod elevation and horizontal position integrated control instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee after: Shandong transportation planning and Design Institute Co.,Ltd. Address before: 250000 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee before: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee before: Shandong transportation planning and Design Institute Co.,Ltd. |