CN206299395U - A kind of expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed - Google Patents
A kind of expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed Download PDFInfo
- Publication number
- CN206299395U CN206299395U CN201621306506.6U CN201621306506U CN206299395U CN 206299395 U CN206299395 U CN 206299395U CN 201621306506 U CN201621306506 U CN 201621306506U CN 206299395 U CN206299395 U CN 206299395U
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- CN
- China
- Prior art keywords
- shell type
- type anchoring
- anchoring head
- expansion shell
- anchor cable
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Abstract
A kind of expansion shell type anchoring head and be provided with the anchor cable of expansion shell type anchoring head that the utility model is provided, are provided with cavity in expansion shell type anchoring head, the grouting port for connecting Grouting Pipe is provided with cavity；The rear end of expansion shell type anchoring head is connected with multiple and rises shell, is additionally provided with expansion shell type anchoring head and is fixed in draw-in groove with the one-to-one draw-in groove of the shell that rises, the shell that rises；Draw-in groove bottom is additionally provided with the through hole for being communicated to cavity.Anchor cable includes Grouting Pipe, and the inner of Grouting Pipe connects cavity by grouting port；Many steel wires are wound with Grouting Pipe.A kind of above-mentioned expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed, by Grouting Pipe to injecting slurries in cavity, the slurries of the high pressure shell that can make to rise departs from draw-in groove, and the shell that rises ejection is in umbrella frame shape, prevents anchor cable or anchor pole from departing from from drilling when by pulling capacity.The anchor force of expansion shell type anchoring head is big, and rise shell automatic spring after slip casting, it is not necessary to operative, saves labour.
Description
Technical field
The utility model is related to a kind of tunnel surrounding support apparatus, more particularly to a kind of anti-pulling ability is strong, anchor force
Big expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed.
Background technology
As the development of society, underground engineering and slope support engineering are on the increase, the requirement to support apparatus is not yet
Disconnected lifting.Existing support apparatus include anchor cable, and the end of anchor cable is provided with expansion shell type anchoring head.When anchor cable is installed, need to be by anchor
Drilling is stretched into one end that strap has expansion shell type anchoring head, then makes the shell spreading that rises of expansion shell type anchoring head, and then fix anchor cable
In drilling.But, in the prior art, the spreading of expansion shell type anchoring head needs operative to realize, makes the operating process of anchor cable
It is relatively complicated；And existing expansion shell type anchoring head, complex structure, high cost, anti-pulling ability.
Utility model content
It is cumbersome and anti-pulling ability ask in order to solve expansion shell type anchoring head complex structure, operating process in the prior art
Topic, the utility model provides a kind of expansion shell type anchoring head and the anchor cable with expansion shell type anchoring head.
A kind of expansion shell type anchoring head that the utility model is provided, is provided with cavity in expansion shell type anchoring head, cavity front end sets
It is equipped with the grouting port for connecting Grouting Pipe.The rear end of expansion shell type anchoring head is connected with multiple and rises shell, on expansion shell type anchoring head also
It is provided with and is fixed in draw-in groove with the one-to-one draw-in groove of the shell that rises, the shell that rises；Draw-in groove bottom is additionally provided with the through hole for being communicated to cavity.
The utility model also provides a kind of anchor cable for being provided with above-mentioned expansion shell type anchoring head, and it includes Grouting Pipe, Grouting Pipe
The inner cavity is connected by grouting port；Many steel wires are wound with Grouting Pipe, the inner of steel wire is connected to expansion shell type anchoring head
On.
Preferably, the outer end of anchor cable sets limited location pallet, and spacing pallet abuts the aperture of drilling；Outside spacing pallet
Side is additionally provided with male cone, and the bolster in hollow hemisphere shape is provided between male cone and spacing pallet.The setting of the bolster,
Buffering pulling capacity, prevents anchor cable because of quick drawing fracture.
Preferably, it is additionally provided with to allow between the bolster and spacing pallet and cuts part, described allowing is cut part and include allowing and cutting backing plate,
Bolster is fastened on to allow and cuts on backing plate lateral surface；Allow cut and spin is provided with the inside of backing plate, the spin abuts spacing pallet.
It is described to allow the setting for cutting part anchor cable be enable to move up and down, alleviate part shearing, anchor cable is prevented because of fail in shear.
The utility model compared with prior art, has the advantages that：
A kind of above-mentioned expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed, need to only be set on expansion shell type anchoring head
Chamber is empty, grouting port and through hole, simple structure, low cost are provided with cavity.Expansion shell type anchoring head need to be arranged on before
On anchor pole or anchor cable, when expansion shell type anchoring head is used, can make to rise to slurries, the slurries of high pressure are injected in cavity by Grouting Pipe
Shell departs from draw-in groove, is in umbrella frame shape after the shell that rises ejection, and the setting of the shell that rises increases anchoring area, while increasing and borehole wall
Frictional force, increases withdrawal resistance, prevents anchor cable or anchor pole from departing from from drilling when by pulling capacity.The anchoring of above-mentioned expansion shell type anchoring head
Power is big, can strengthen the pulling capacity of anchor cable or anchor pole, and the shell automatic spring that rises after slip casting, it is not necessary to operative, saves
Labour.
Brief description of the drawings
Fig. 1 is the sectional view of the anchor cable for being provided with expansion shell type anchoring head.
Fig. 2 is provided with the drilling Outboard Sections sectional view of the anchor cable of expansion shell type anchoring head.
Fig. 3 is the sectional view of expansion shell type anchoring head.
Fig. 4 be expansion shell type anchoring head rise shell eject when side view.
1 cavity；2 grouting ports；3 rise shell；31 draw-in grooves；4 through holes；5 Wire mounts；101 spacing pallets；102 male cones；103
Bolster；104 allow and cut backing plate；105 spin；201 Grouting Pipes；202 steel wires；301 drillings.
Specific embodiment
Embodiment 1 and embodiment 2 are described in detail with reference to Fig. 1 to Fig. 4.
Embodiment 1
A kind of expansion shell type anchoring head, it is shown as shown in Figure 1, Figure 3 and Figure 4, cavity 1 is provided with expansion shell type anchoring head, before cavity 1
End is provided with the grouting port 2 for connecting Grouting Pipe 201.The rear end of expansion shell type anchoring head is connected with multiple and rises shell 3, expansion shell type anchor
Gu be additionally provided with head it is fixed on draw-in groove 31 with the one-to-one draw-in groove 31 of the shell 3 that rises, the shell 3 that rises.The bottom of shell 3 of rising is additionally provided with company
Lead to the through hole 4 of cavity 1.
A kind of above-mentioned expansion shell type anchoring head, only need to set cavity 1 on expansion shell type anchoring head, and grouting port 2 is provided with cavity 1
With through hole 4, simple structure, low cost.Expansion shell type anchoring head is arranged on anchor pole or anchor cable using preceding need；Expansion shell type anchoring
When head is used, the disengaging draw-in groove 31 of shell 3 that rises can be made to slurries, the slurries of high pressure are injected in cavity 1 by Grouting Pipe 201, rise shell 3
It is in umbrella frame shape after ejection, prevents anchor cable or anchor pole from departing from from drilling 301 when by pulling capacity.
Embodiment 2
A kind of anchor cable for being provided with expansion shell type anchoring head as described in Example 1, it is shown as shown in Figure 1, Figure 3 and Figure 4, including slip casting
Pipe 201, is wound with many steel wires 202 in Grouting Pipe 201, the inner of steel wire 202 is connected on expansion shell type anchoring head.Expansion shell type anchor
Gu being provided with cavity 1 in head, the front end of cavity 1 is provided with the grouting port 2 for connecting Grouting Pipe 201；After expansion shell type anchoring head
End is connected with multiple and rises shell 3, is additionally provided with expansion shell type anchoring head and is fixed on card with the one-to-one draw-in groove 31 of the shell 3 that rises, the shell 3 that rises
On groove 31；The bottom of shell 3 of rising is additionally provided with the through hole 4 for being communicated to cavity 1.
Further, as depicted in figs. 1 and 2, the outer end of anchor cable sets limited location pallet 101, and spacing pallet 101 abuts
The aperture of drilling 301.The outside of spacing pallet 101 is additionally provided with male cone 102, is provided between male cone 102 and spacing pallet 101
In the bolster 103 of hollow hemisphere shape.Bolster used is in hollow hemisphere shape, can be prevented with cushioning effect in the axial force of anchor cable
Only anchor cable is because of quick forced breakage.
Further, as depicted in figs. 1 and 2, it is additionally provided with to allow between the bolster 103 and spacing pallet 101 and cuts
Part, described allowing is cut part and includes allowing and cutting backing plate 104, and bolster 103 is fastened on to allow and cuts on the lateral surface of backing plate 104；Allow and cut backing plate 104
Inner side is provided with spin 105, and the spin 105 abuts spacing pallet 101.It is described to allow the setting for cutting part, one can be alleviated
Sub-cut power, prevents anchor cable because of fail in shear.
Above-mentioned a kind of anchor cable for being provided with expansion shell type anchoring head, when using, by Grouting Pipe 201 to injection slurry in cavity 1
Liquid, with the increase of grouting pressure, the slurries of high pressure make the disengaging draw-in groove 31 of shell 3 that rises, and are in umbrella frame shape after the shell 3 that respectively rises ejection, continue
Slip casting treats the after-applied prestressing force of grout cures up to reaching anchoring amount, and final fixation is carried out to fixing end.Rise the setting of shell 3
Anchoring area is increased, while increasing the frictional force of anchorage head and hole wall, making the withdrawal resistance of anchor cable increases, and prevents anchor cable or anchor
Bar departs from when by pulling capacity from drilling 301.The anchor force of anchor cable is big, and anti-pulling ability is strong, and the appliance for releasing single of shell 3 that rises after slip casting
Go out, it is not necessary to operative, save labour.
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above,
Change, remodeling, addition or replacement that those skilled in the art are made in essential scope of the present utility model, also should
Belong to protection domain of the present utility model.
Claims (4)
1. a kind of expansion shell type anchoring head, it is characterised in that be provided with cavity in expansion shell type anchoring head, cavity front end be provided with for
Connect the grouting port of Grouting Pipe；The rear end of expansion shell type anchoring head is connected with multiple and rises shell, be additionally provided with expansion shell type anchoring head with
The one-to-one draw-in groove of the shell that rises, the shell that rises is fixed in draw-in groove；Draw-in groove bottom is additionally provided with the through hole for being communicated to cavity.
2. the anchor cable of expansion shell type anchoring head as claimed in claim 1 is installed, it is characterised in that including Grouting Pipe, Grouting Pipe
The inner connects cavity by grouting port；Many steel wires are wound with Grouting Pipe, the inner of steel wire is connected on expansion shell type anchoring head.
3. the anchor cable of expansion shell type anchoring head is installed as claimed in claim 2, it is characterised in that the outer end of the anchor cable is set
Limited location pallet, spacing pallet abuts the aperture of drilling；Male cone, male cone and spacing pallet are additionally provided with the outside of spacing pallet
Between be provided with bolster in hollow hemisphere shape.
4. the anchor cable of expansion shell type anchoring head is installed as claimed in claim 3, it is characterised in that the bolster and spacing support
It is additionally provided with to allow between disk and cuts part, described allowing is cut part and include allowing and cutting backing plate, and bolster is fastened on to allow and cuts on backing plate lateral surface；Allow and cut
Spin is provided with the inside of backing plate, the spin abuts spacing pallet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306506.6U CN206299395U (en) | 2016-12-01 | 2016-12-01 | A kind of expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306506.6U CN206299395U (en) | 2016-12-01 | 2016-12-01 | A kind of expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299395U true CN206299395U (en) | 2017-07-04 |
Family
ID=59211925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621306506.6U Expired - Fee Related CN206299395U (en) | 2016-12-01 | 2016-12-01 | A kind of expansion shell type anchoring head and the anchor cable of expansion shell type anchoring head is installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206299395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685282A (en) * | 2019-09-18 | 2020-01-14 | 中冶交通建设集团有限公司 | Anchor cable bearing device, anchor cable and tensioning construction method thereof |
-
2016
- 2016-12-01 CN CN201621306506.6U patent/CN206299395U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685282A (en) * | 2019-09-18 | 2020-01-14 | 中冶交通建设集团有限公司 | Anchor cable bearing device, anchor cable and tensioning construction method thereof |
| CN110685282B (en) * | 2019-09-18 | 2022-04-19 | 中冶交通建设集团有限公司 | Anchor cable bearing device, anchor cable and tensioning construction method thereof |
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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: 20170704 Termination date: 20171201 |