CN205955761U - Not fragile self -drilling cavity slip casting stock - Google Patents
Not fragile self -drilling cavity slip casting stock Download PDFInfo
- Publication number
- CN205955761U CN205955761U CN201620970873.XU CN201620970873U CN205955761U CN 205955761 U CN205955761 U CN 205955761U CN 201620970873 U CN201620970873 U CN 201620970873U CN 205955761 U CN205955761 U CN 205955761U
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- Prior art keywords
- hollow bolt
- hollow
- bolt
- stock
- self
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Abstract
The utility model discloses a not fragile self -drilling cavity slip casting stock, including stifled thick liquid stopper, one side of stifled thick liquid stopper is provided with a hollow anchor, one side of a hollow anchor is provided with the nut, one side of nut is provided with the arch backing plate, one side of arch backing plate is provided with ends the thick liquid stopper, it is provided with ventilative mouthful beyond the great wall to end the thick liquid, the opposite side that ends the thick liquid stopper is provided with the 2nd hollow anchor, the 2nd hollow anchor's outside cover is equipped with first stock outer sleeve. The utility model discloses it is stable to make stock and rock mass contact, less to the influence of the slip casting structural integrity after the slip casting, has guaranteed the stability of slurry, can enlarge stock application range in work, makes this stock in complex geological work, and the reduction is corroded and fracture easily, is measured stock prestressing force and ensure that bolt installation(3) has sufficient prestressing force because inside some corrosive substance that contains of geology makes the stock receive.
Description
Technical field
This utility model is related to Geotechnical Engineering anchorage technology field, specially a kind of non-damageable self-drilling type hollow slip casting
Anchor pole.
Background technology
During the underground engineering that Geotechnical Engineering is related to, mine working, foundation ditch and slope project, for preventing stratum deformation
Cave in or unstability and jeopardize safety, a kind of main support pattern that stratum is reinforced is to adopt anchor pole.But run into certainly
Vertical property is low, and when easily the domain of anti-raw avalanche carries out anchoring construction, common bolt cannot smoothly complete installation and cementing operations, must
Automatic anchor pole must be used, just can smoothly complete anchoring operation.Self drilling anchor as a kind of effectively anchoring means, by large quantities
Apply the advance support in tunnel, radial direction supporting, slope reinforcement, subgrade strengthening and tunnel disease training works.By hollow bar
Body carries out slip casing by pressure to anchor pole, can reach consolidation fragmented rock body, cut-off subsoil water and body of rod antiseptical purpose, can quickly form
Supporting power, controls stablizing of country rock.Hollow grouting anchor is applied to railway, highway, tunnel, mine, key water control project, side slope, dike
The engineerings such as dam, abutment, Jiang Haihu river bank, Tall Building Foundation and building strengthening.In all kinds of underground engineerings, generally existing
The complex geological conditions such as weak surrounding rock, fault belt, high-ground stress large deformation, easily make anchor when this landform is constructed
Bar ruptures, and the safety of workmen is caused a hidden trouble.
Utility model content
The purpose of this utility model is to provide a kind of non-damageable Self-drilling hollow grouting anchoring-bolt, possesses fastness
Height, construction under complicated landform, it is not easy to make the advantage of anchor pole fracture, solves existing anchor pole and constructs under complicated landform,
Anchor pole is easily made to rupture, the problem that the safety of workmen is caused a hidden trouble.
For achieving the above object, this utility model provides following technical scheme：A kind of non-damageable self-drilling type hollow note
Slurry anchor pole, including stifled slurry plug, the side of described stifled slurry plug is provided with the first hollow bolt, and the side of described first hollow bolt sets
It is equipped with nut, the side of described nut is provided with arch backing plate, and the side of described arch backing plate is provided with stop grouting plug, described only slurry
It is provided with ventilation mouth beyond the Great Wall, the opposite side of described stop grouting plug is provided with the second hollow bolt, the outside of described second hollow bolt
It is arranged with the first anchor pole outer sleeve, the opposite side of described second hollow bolt is provided with adapter sleeve, described adapter sleeve sets
It is equipped with retaining pawl, described adapter sleeve is provided with adjusting nut, the opposite side of described adapter sleeve is provided with the 3rd hollow bolt, institute
The outside stating the 3rd hollow bolt is arranged with the second anchor pole outer sleeve, and the opposite side of described 3rd hollow bolt is provided with from brill
Head, described is provided with equally distributed slurry outlet from drill bit.
Preferably, described second hollow bolt and the 3rd hollow bolt are provided with air-vent, each described air-vent
Top be provided with injected hole.
Preferably, described retaining pawl is iron and steel material quality, and described retaining pawl includes three calvus, plane residing for described calvus
Angle with the 3rd hollow bolt axis is 30 degree.
Preferably, the surface of described first hollow bolt, the second hollow bolt and the 3rd hollow bolt is provided with screw thread.
Preferably, described first hollow bolt, the surface of the second hollow bolt and the 3rd hollow bolt be provided with anti-corrosion
Layer, described anticorrosive coat includes powder thermosetting coating, and the bottom of described powder thermosetting coating is provided with inorganic zinc-rich layer, described
The bottom of inorganic zinc-rich layer is provided with dip galvanized.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, this utility model pass through to arrange retaining pawl, air-vent, injected hole, screw thread, anticorrosive coat, ventilation mouth, adapter sleeve, the
One anchor pole outer sleeve and the second anchor pole outer sleeve, have reached fastness height, and construction under complicated landform is it is not easy to make anchor pole rupture
Effect.
2nd, this utility model can increase, by retaining pawl, the contact that rock mass is with anchor pole, so that anchor pole is contacted with rock mass stable,
Directly injected hole and steam vent are opened up on anchor rod body, the slip casting structural integrity after slip casting is affected less it is ensured that starching
The stability of body, by being arranged on the screw thread of the first hollow bolt, the second hollow bolt and the 3rd hollow bolt surface, makes this anchor
Bar can expand anchor pole range when work, can achieve the effect of end anchor, lengthening anchor and full anchor, anti-by setting
Rotten layer, makes this anchor pole when complicated geological works, and reduces because some corrosive substances containing inside geology make anchor pole
Corroded and be easily broken off, be used for measuring anchor rod prestress by the first anchor pole outer sleeve and the second anchor pole outer sleeve of setting
And guarantee that rockbolt installation has enough prestressing force, thus solve existing anchor pole constructing under complicated landform, easily make anchor pole
Fracture, the problem that the safety of workmen is caused a hidden trouble.
Brief description
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model the first hollow bolt internal structure schematic diagram；
Fig. 3 is this utility model retaining pawl structural representation；
Fig. 4 is this utility model anti-corrosion layer structure schematic diagram.
In figure：1 stifled slurry plug, 2 first hollow bolts, 3 nuts, 4 arch backing plates, 5 stop grouting plugs, 6 ventilation mouths, 7 second hollows
Outside anchor pole, 8 first anchor pole outer sleeves, 9 adapter sleeves, 10 retaining pawls, 11 adjusting nuts, 12 the 3rd hollow bolts, 13 second anchor poles
Sleeve, 14 from drill bit, 15 slurry outlets, 16 air-vents, 17 injected holes, 18 calvus, 19 screw threads, 20 anticorrosive coats, 201 powder thermosettings
Coating, 202 inorganic zinc-rich layers, 203 dip galvanizeds.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-4, a kind of non-damageable Self-drilling hollow grouting anchoring-bolt, including stifled slurry plug 1, stifled by setting
Slurry plug 1 can prevent serosity from overflowing, and the side of stifled slurry plug 1 is provided with the first hollow bolt 2, and the side of the first hollow bolt 2 sets
It is equipped with nut 3, spacing effect is served by the nut 3 of setting, the side of nut 3 is provided with arch backing plate 4, arch backing plate
4 side is provided with stop grouting plug 5, the expansion of stop grouting plug 5 can closely be attached on the wall of a borehole, it is to avoid during slip casting, serosity is along boring
Outside return tap hole, and can by the pressure to the wall of a borehole to stop grouting plug 5 is controlled to the adjustment of stop grouting plug 5 material usage,
When preventing grouting pressure excessive, stop grouting plug 5 is easily destroyed, and stop grouting plug 5 is provided with ventilation mouth 6, the opposite side setting of stop grouting plug 5
Have the second hollow bolt 7, the outside of the second hollow bolt 7 is arranged with the first anchor pole outer sleeve 8, the second hollow bolt 7 another
Side is provided with adapter sleeve 9, and adapter sleeve 9 is provided with retaining pawl 10, and retaining pawl 10 is iron and steel material quality, and retaining pawl 10 includes three
Calvus 18, plane residing for calvus 18 is 30 degree with the angle of the 3rd hollow bolt 12 axis, and retaining pawl 10 can increase rock mass
Contact with anchor pole, residing for calvus 18, plane is 30 degree with the angle of the 3rd hollow bolt 12 axis makes anchor pole contact with rock mass
Stable, adapter sleeve 9 is provided with adjusting nut 11, adjusting nut 11 can adjust the angle between each calvus 18 of retaining pawl 10
Degree, can adjust different angles in different landform, strengthen can contact between calvus 18 and rock mass when stability, connect
The opposite side of set 9 is provided with the 3rd hollow bolt 12, and the second hollow bolt 7 and the 3rd hollow bolt 12 are provided with air-vent
16, the top of each air-vent 16 is provided with injected hole 17, directly opens up injected hole 17 and air-vent 16 on anchor rod body,
Less on the slip casting structural integrity impact after slip casting it is ensured that the stability of slurry, spare anchor in the first hollow bolt 2, second
The surface of bar 7 and the 3rd hollow bolt 12 is provided with screw thread 19, by the screw thread 19 of setting, convenient installation arch backing plate 4 He
Nut 3, enables this anchor pole to expand anchor pole range when work, can achieve the effect of end anchor, lengthening anchor and full anchor,
The surface of the first hollow bolt 2, the second hollow bolt 7 and the 3rd hollow bolt 12 is provided with anticorrosive coat 20, by setting
Anticorrosive coat 20, makes this anchor pole when complicated geological works, and reduces because some corrosive substances containing inside geology make
Anchor pole is corroded and is easily broken off, and anticorrosive coat 20 includes powder thermosetting coating 201, powder thermosetting be a kind of new not
Containing solvent 100% solid powdery coating, have without solvent, pollution-free, save energy and resource, reduce labor intensity and apply
The features such as film high mechanical strength, the bottom of powder thermosetting coating 201 is provided with inorganic zinc-rich layer 202, inorganic zinc rich paint be with
Inorganic polymer (as silicate, phosphate, bichromate etc.) is film forming matter, and zinc powder reacts, and is formed in metal surface
Zinc-iron complex, forms solid protection film, and the bottom of inorganic zinc-rich layer 202 is provided with dip galvanized 203, and galvanizing has
There is coating uniformly, adhesive force is strong, the advantages of long service life, the outside of the 3rd hollow bolt 12 is arranged with the second anchor pole outer sleeve
13, the first anchor pole outer sleeve 8 and the second anchor pole outer sleeve 13 are used for measuring anchor rod prestress, and it is enough to guarantee that rockbolt installation has
Prestressing force, the opposite side of the 3rd hollow bolt 12 is provided with from drill bit 14, is provided with equally distributed slurry outlet from drill bit 14
15.
Operation principle：This utility model during practice it would be desirable to the serosity of slip casting is injected by injected hole 17,
Can prevent serosity from overflowing by the stifled slurry plug 1 of setting, spacing effect, stop grouting plug 5 material are served by the nut 3 of setting
Controlling the pressure to the wall of a borehole to stop grouting plug 5, when preventing grouting pressure excessive, stop grouting plug 5 is easily destroyed, only for the adjustment of consumption
Moving back pawl 10 can increase the contact that rock mass is with anchor pole, and adjusting nut 11 can adjust the angle between each calvus 18 of retaining pawl 10
Degree, can adjust different angles in different landform, strengthen can contact between calvus 18 and rock mass when stability, be connected on
Injected hole 17 and air-vent 16 are opened up on anchor rod body, less on the slip casting structural integrity impact after slip casting it is ensured that slurry
Stability, by the screw thread 19 of setting, convenient arch backing plate 4 and nut 3 are installed, so that this anchor pole is expanded when work
Big anchor pole range, by the anticorrosive coat 20 of setting, makes this anchor pole when complicated geological works, and reduces because in geology
Some corrosive substances that portion is contained make anchor pole be corroded and be easily broken off, the first anchor pole outer sleeve 8 and the second anchor pole overcoat
Cylinder 13 is used for measuring anchor rod prestress, and guarantees that rockbolt installation has enough prestressing force, by the first hollow bolt 2, second
The equally distributed slurry outlet 15 that serosity passes through the setting from drill bit 14 is discharged by spare anchor bar 7 with the 3rd hollow bolt 12.
In sum：This non-damageable Self-drilling hollow grouting anchoring-bolt, by retaining pawl 10, air-vent 16, injected hole
17th, screw thread 19, anticorrosive coat 20, ventilation mouth 6, adapter sleeve 9, the first anchor pole outer sleeve 8 and the second anchor pole outer sleeve 13, solves existing
Some anchor poles are constructed under complicated landform, so that anchor pole is ruptured, the problem that the safety of workmen is caused a hidden trouble.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of non-damageable Self-drilling hollow grouting anchoring-bolt, including stifled slurry plug (1) it is characterised in that：Described stifled slurry plug (1)
Side be provided with the first hollow bolt (2), the side of described first hollow bolt (2) is provided with nut (3), described nut
(3) side is provided with arch backing plate (4), and the side of described arch backing plate (4) is provided with stop grouting plug (5), described stop grouting plug (5)
On be provided with ventilation mouth (6), the opposite side of described stop grouting plug (5) is provided with the second hollow bolt (7), described second hollow bolt
(7) outside is arranged with the first anchor pole outer sleeve (8), and the opposite side of described second hollow bolt (7) is provided with adapter sleeve (9),
Retaining pawl (10) is provided with described adapter sleeve (9), described adapter sleeve (9) is provided with adjusting nut (11), described adapter sleeve
(9) opposite side is provided with the 3rd hollow bolt (12), and the outside of described 3rd hollow bolt (12) is arranged with outside the second anchor pole
Sleeve (13), the opposite side of described 3rd hollow bolt (12) is provided with and is provided with from drill bit (14), described (14) from drill bit
Equally distributed slurry outlet (15).
2. a kind of non-damageable Self-drilling hollow grouting anchoring-bolt according to claim 1 it is characterised in that：Described second
It is provided with air-vent (16), the top of each described air-vent (16) is equal on hollow bolt (7) and the 3rd hollow bolt (12)
It is provided with injected hole (17).
3. a kind of non-damageable Self-drilling hollow grouting anchoring-bolt according to claim 1 it is characterised in that：Described retaining
Pawl (10) is iron and steel material quality, and described retaining pawl (10) is upper to include three calvus (18), plane and the 3rd residing for described calvus (18)
The angle of hollow bolt (12) axis is 30 degree.
4. a kind of non-damageable Self-drilling hollow grouting anchoring-bolt according to claim 1 it is characterised in that：Described first
Hollow bolt (2), the second hollow bolt (7) are provided with screw thread (19) with the surface of the 3rd hollow bolt (12).
5. a kind of non-damageable Self-drilling hollow grouting anchoring-bolt according to claim 1 it is characterised in that：Described first
Hollow bolt (2), the second hollow bolt (7) are provided with anticorrosive coat (20) with the surface of the 3rd hollow bolt (12), described anti-
Rotten layer (20) includes powder thermosetting coating (201), and the bottom of described powder thermosetting coating (201) is provided with inorganic zinc-rich layer
(202), the bottom of described inorganic zinc-rich layer (202) is provided with dip galvanized (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970873.XU CN205955761U (en) | 2016-08-28 | 2016-08-28 | Not fragile self -drilling cavity slip casting stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970873.XU CN205955761U (en) | 2016-08-28 | 2016-08-28 | Not fragile self -drilling cavity slip casting stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955761U true CN205955761U (en) | 2017-02-15 |
Family
ID=57980369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620970873.XU Expired - Fee Related CN205955761U (en) | 2016-08-28 | 2016-08-28 | Not fragile self -drilling cavity slip casting stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167007A (en) * | 2017-12-21 | 2018-06-15 | 中南大学 | For measuring the internal expansion anchoring-bolt and its anchoring process of tunneling boring coupling rock mass response parameter |
| CN108397219A (en) * | 2018-02-27 | 2018-08-14 | 山东科技大学 | Mining slip casting prestressed anchor and its application method |
-
2016
- 2016-08-28 CN CN201620970873.XU patent/CN205955761U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167007A (en) * | 2017-12-21 | 2018-06-15 | 中南大学 | For measuring the internal expansion anchoring-bolt and its anchoring process of tunneling boring coupling rock mass response parameter |
| CN108167007B (en) * | 2017-12-21 | 2019-07-26 | 中南大学 | For measuring the internal expansion anchoring-bolt and its anchoring process of tunneling boring coupling rock mass response parameter |
| CN108397219A (en) * | 2018-02-27 | 2018-08-14 | 山东科技大学 | Mining slip casting prestressed anchor and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170215 Termination date: 20170828 |