CN206448830U - A kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole - Google Patents
A kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole Download PDFInfo
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- CN206448830U CN206448830U CN201720130946.9U CN201720130946U CN206448830U CN 206448830 U CN206448830 U CN 206448830U CN 201720130946 U CN201720130946 U CN 201720130946U CN 206448830 U CN206448830 U CN 206448830U
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- reinforced resin
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Abstract
The utility model is related to the novel anchor rod applied to soft rock strata tunnels and underground engineering, and in particular to a kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole.Including the hollow body of rod, the body of rod is made up of nonmetallic glass fiber reinforced polymer resin, body of rod outer surface is provided with and the integrally formed screw thread of the body of rod, it is axially arranged with multiple exhaust outlets being evenly arranged along the body of rod, body of rod one end is connected with self-feeding bit, and the body of rod other end is arranged with stop grouting plug, backing plate, nut and plug successively.The utility model anchor pole can overcome the shortcomings of common bolt; make mortar kept in length range uniformly, Man Kong; prevent anchor pole from being concentrated in end stress, the anchor rod body easily cuts, can played a protective role to coal-winning machine cutter head; spark will not be produced during cutting; it is adapted to high methane concentration range, it is lightweight, eliminate Anchor Agent; without dust and chemical contamination, the work work situation of tunnels and underground engineering is substantially improved.
Description
Technical field
The utility model is related to the novel anchor rod applied to soft rock strata tunnels and underground engineering, and in particular to one kind has
It is radially expanded the self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole of function.
Background technology
At home and abroad in tunnels and underground engineering, the application using bolt anchorage soft rock strata is more and more, particularly adopts
When building tunnels and underground engineering with combined bolting and shotcrete, anchor pole is essential.From the point of view of existing several anchor pole applicable cases,
There are its not enough one side, such as total length binding type anchor pole (conventional cement mortar anchor pole, high-early (strength) cement grouting rock bolt, resin volume anchor
Bar, cement-roll anchor pole), its mortar is difficult to keep uniform, Man Kong in length range, will so that design can not be sufficiently achieved
Ask；End anchorage type rockbolt stress concentrates on end, easily produces stress concentration；Anchor rod strength is relatively low, in high-ground stress tunnel
And anchor pole can be quickly pulled off with the deformation increase of country rock in underground engineering；Anchor metal processing inconvenience and cost height etc..
Utility model content
The utility model purpose is：For total length binding type anchor pole mortar it is difficult to keep equal in anchor pole length range
Even, Man Kong, end anchorage type rockbolt stress concentrates on end, and anchor rod strength is relatively low, anchor metal processing inconvenience and cost height etc.
Problem, the utility model provides a kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole, and on the one hand the anchor pole can ensure
Uniform, full hole and uniform force are kept in mortar length range, reinforced resin material on the other hand can be utilized to greatest extent, is carried
High anchor pole tensile capacity, reduces use cost, so that effectively ensure soft rock strata tunnels and underground engineering supporting safety, and
Such a anchor pole has eliminated Anchor Agent, no dust and chemical contamination, substantially improves the work work situation of tunnels and underground engineering.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole, including the hollow body of rod, the body of rod is by nonmetallic
Glass fiber reinforced polymer resin is made, body of rod outer surface be provided with the integrally formed screw thread of the body of rod, be axially arranged with along the body of rod
Multiple exhaust outlets being evenly arranged, body of rod one end is connected with self-feeding bit, the body of rod other end be arranged with successively stop grouting plug, backing plate,
Nut and plug.
The anchor rod body is made of nonmetallic glass fiber reinforced polymer resin, and tensile strength is higher, lever strength
Better than isodiametric screw-thread steel, permanent supporting can be made, anchor pole can play its internal performance along total length or segmentation, and be easily worked system
Make, price is better than traditional steel anchor rod, due to uniform multiple exhaust outlets on the body of rod, ensure that mortar keeps equal in length range
Even, Man Kong, prevents anchor pole from being concentrated in end stress, and the anchor pole carries self-feeding bit, has two kinds of functions of drilling rod and anchor pole concurrently, takes
Disappear and moved back the process that drilling rod inserts anchor pole, can avoid because of phenomenon of being done over again caused by the hole that collapses, in addition, the anchor rod body is easily cut, can
Coal-winning machine cutter head is played a protective role, spark will not be produced during cutting, tunnel safety is constructed extremely advantageous, is particularly suitable for height
Gas density region, weight is only the 1/4 of equivalent specifications steel anchor rod, and the anchor pole has eliminated Anchor Agent, no dust and chemistry
Pollution, substantially improves the work work situation of tunnels and underground engineering.
As preferred scheme of the present utility model, the body of rod outer surface, which is additionally provided with, multiple is radially expanded skeleton, the footpath
It is attached to expansion skeleton by the screw thread of body of rod outer surface.By body of rod outer surface set it is multiple be radially expanded skeleton,
Drill hole inner wall can be supported, collapse hole is prevented, ensure that mortar kept in length range uniformly, Man Kong, it is to avoid anchor pole end
There is the situation of stress concentration in portion, so as to provide larger withdrawal resistance, can be widely applied in Soft Soil Engineering geological conditions.
As preferred scheme of the present utility model, the plug is self-closing plug, including valve-embedded and compression spring.
By using self-closing plug, worked according to pressure principle, when not being pressed into injecting paste material, the valve-embedded effect in compression spring
Under be pulled to sleeve bottom, now sleeve bottom will not spill slurries, during press-in injecting paste material, because grouting pressure is more than compression
Spring force, valve-embedded opening, outer pulp hydraulic pressure enters enters stratum inside the body of rod, greatlys save injecting paste material and improves
Slip casting efficiency.
As preferred scheme of the present utility model, the body of rod is made up of multistage, and adapter sleeve is provided between the adjacent body of rod
Connection.The multistage body of rod can be assembled by adapter sleeve, one is pierced during drilling according to drilling depth needs using such design
One section of spreading of section, first convenient disassembly, second shoulders shearing strong.
As preferred scheme of the present utility model, the self-feeding bit, skeleton, adapter sleeve, stop grouting plug, pad are radially expanded
Plate, nut and self-closing plug are made of nonmetallic glass fiber reinforced polymer resin.It is designed with using such
Beneficial to the weight for further mitigating whole anchor pole, make it more light easy to operate, it is convenient to be used in small space.
As preferred scheme of the present utility model, the stop grouting plug is formed in one with the backing plate.By stop grouting plug and pad
Plate is designed to after an entirety, it is possible to reduce the quantity of parts, both simplifies the assembling of anchor pole, while more convenient to use
Easily, the backing plate is arch backing plate in addition, can apply prestressing force to stratum.
As preferred scheme of the present utility model, the cross section of the body of rod is circle.Can using the body of rod of circular cross-section
To simplify the manufacturing process of the body of rod, production cost is saved.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, the anchor rod body is made of nonmetallic glass fiber reinforced polymer resin, and tensile strength is higher, and the body of rod is strong
Degree is better than isodiametric screw-thread steel, can make permanent supporting, anchor pole can play its internal performance along total length or segmentation, and be easily worked
Manufacture, price is better than traditional steel anchor rod, due to uniform multiple exhaust outlets on the body of rod, ensure that mortar is kept in length range
Uniformly, Man Kong, prevents anchor pole from being concentrated in end stress, in addition, the anchor rod body is easily cut, protection can be played to coal-winning machine cutter head
Effect, will not produce spark during cutting, tunnel safety is constructed extremely advantageous, be particularly suitable for high methane concentration range, weight is only
For the 1/4 of equivalent specifications steel anchor rod, and the anchor pole has eliminated Anchor Agent, no dust and chemical contamination, substantially improves tunnel
And the work work situation of underground engineering；
2nd, by body of rod outer surface set it is multiple be radially expanded skeleton, drill hole inner wall can be supported, collapse hole is prevented, can
Ensure mortar is kept in length range uniformly, Man Kong, it is to avoid anchor pole occur in end stress concentrate situation, so as to provide
Larger withdrawal resistance, can be widely applied in Soft Soil Engineering geological conditions；
3rd, by using self-closing plug, worked according to pressure principle, it is valve-embedded in compression when not being pressed into injecting paste material
Sleeve bottom is pulled in the presence of spring, now sleeve bottom will not spill slurries, during press-in injecting paste material, due to slip casting pressure
Power is more than compression spring elastic force, valve-embedded opening, and outer pulp hydraulic pressure enters enters stratum inside the body of rod, greatlys save slip casting material
Expect and improve slip casting efficiency；
4th, the utility model drilling rod and anchor pole unite two into one, in decomposed rock, detritus layer, back filled region, sand, clay and boulder bed
Etc. sleeve pipe retaining wall is not required to, anchor hole can be formed, it is ensured that anchoring and slip casting effect, it is easy to operate time saving, 25% workload is saved, is subtracted
Few engineering cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole.
Fig. 2 is the structural representation of self-closing plug in Fig. 1.
Marked in figure：1- self-feeding bits, the 2- bodies of rod, 3- is radially expanded skeleton, and 4- adapter sleeves, 5- exhaust outlets, 6- stops slurry
Plug and backing plate, 7- nuts, 8- self-closing plugs, 81- are valve-embedded, 82- compression springs, 83- sleeves.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Embodiment
The utility model provides a kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole；
As shown in figure 1, the self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole in the present embodiment, including two hollow
The body of rod 2, the body of rod 2 is made up of nonmetallic glass fiber reinforced polymer resin, the outer surface of the body of rod 2 be provided with the body of rod one into
The screw thread of type, the diameter of thread is more than 2~3mm of diameter of the body of rod, is threadedly coupled by adapter sleeve 4 between the body of rod, and the body of rod 2 is along axle
To on the outside of provided with multiple exhaust outlets 5 being evenly arranged, the exhaust outlet connection body of rod is interior, body of rod one end is connected with self-feeding bit 1, bar
The body other end is arranged with stop grouting plug and backing plate 6, nut 7 and self-closing plug 8 successively.
The anchor rod body is made of nonmetallic glass fiber reinforced polymer resin, and tensile strength is higher, lever strength
Better than isodiametric screw-thread steel, permanent supporting can be made, anchor pole can play its internal performance along total length or segmentation, and be easily worked system
Make, price is better than traditional steel anchor rod, due to uniform multiple exhaust outlets on the body of rod, ensure that mortar keeps equal in length range
Even, Man Kong, prevents anchor pole from being concentrated in end stress, in addition, the anchor rod body is easily cut, protection can be played to coal-winning machine cutter head and is made
With, spark will not be produced during cutting, it is extremely advantageous to tunnel safety construction, it is particularly suitable for high methane concentration range, weight is only
The 1/4 of equivalent specifications steel anchor rod, and the anchor pole has eliminated Anchor Agent, no dust and chemical contamination, substantially improve tunnel and
The work work situation of underground engineering.
In the present embodiment, the outer surface of the body of rod 2 be additionally provided with it is multiple be radially expanded skeleton 3, this be radially expanded skeleton be with the body of rod
Equally distributed three raised ribs centered on axis, it is described to be radially expanded screw thread and the body of rod of the skeleton by body of rod outer surface
It is attached.By body of rod outer surface set it is multiple be radially expanded skeleton, drill hole inner wall can be supported, collapse hole is prevented, can
Ensure mortar is kept in length range uniformly, Man Kong, it is to avoid anchor pole occur in end stress concentrate situation, so as to provide
Larger withdrawal resistance, can be widely applied in Soft Soil Engineering geological conditions.
As shown in Fig. 2 in the present embodiment, the self-closing plug 8 is worked according to pressure principle, and injecting paste material is not pressed into
When, valve-embedded 81 are pulled to the bottom of sleeve 83 in the presence of compression spring 82, and now the bottom of sleeve 83 will not spill slurries,
When being pressed into injecting paste material, because grouting pressure is more than the elastic force of compression spring 82, valve-embedded 81 open, outer pulp liquid ramming stem
Internal portion enters stratum, greatlys save injecting paste material and improves slip casting efficiency.
In the present embodiment, the self-feeding bit 1, skeleton 3, adapter sleeve 4, stop grouting plug and backing plate 6, nut 7 are radially expanded
And self-closing plug 8 is made of nonmetallic glass fiber reinforced polymer resin, and pass through the screw thread of body of rod outer surface
It is attached with the body of rod.It is designed with using such beneficial to the weight for further mitigating whole anchor pole, makes its more light easy behaviour
Make, it is convenient to be used in small space, while being easy to the assembling of whole anchor pole.
In the present embodiment, the cross section of the body of rod 2 is circle, and the body of rod can be processed into not as needed in actual use
Same form of fracture, it is such as square, round outside but spuare inside.The manufacture work of the body of rod can be simplified using the body of rod of circular cross-section
Skill, saves production cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the principle of utility model etc., should be included in protection of the present utility model
Within the scope of.
Claims (7)
1. a kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole, it is characterised in that including the hollow body of rod, the body of rod
Be made up of nonmetallic glass fiber reinforced polymer resin, body of rod outer surface be provided with the integrally formed screw thread of the body of rod, along the body of rod
It is axially arranged with multiple exhaust outlets being evenly arranged, body of rod one end is connected with self-feeding bit, and the body of rod other end is arranged with successively only to be starched
Plug, backing plate, nut and plug.
2. self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole according to claim 1, it is characterised in that the body of rod
Outer surface be additionally provided with it is multiple be radially expanded skeleton, the skeleton that is radially expanded is attached by the screw thread of body of rod outer surface.
3. self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole according to claim 2, it is characterised in that the plug
For self-closing plug, including valve-embedded and compression spring.
4. self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole according to claim 3, it is characterised in that the body of rod
It is made up of, is connected between the adjacent body of rod provided with adapter sleeve multistage.
5. self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole according to claim 4, it is characterised in that described to enter certainly
Formula drill bit, be radially expanded skeleton, adapter sleeve, stop grouting plug, backing plate, nut and self-closing plug use nonmetallic glass fibre
Enhancing fluoropolymer resin is made.
6. the self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole according to one of claim 1-5, it is characterised in that institute
Stop grouting plug is stated to be formed in one with the backing plate.
7. the self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole according to one of claim 1-5, it is characterised in that institute
It is circle to state the cross section of the body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130946.9U CN206448830U (en) | 2017-02-14 | 2017-02-14 | A kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130946.9U CN206448830U (en) | 2017-02-14 | 2017-02-14 | A kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole |
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| Publication Number | Publication Date |
|---|---|
| CN206448830U true CN206448830U (en) | 2017-08-29 |
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ID=59664872
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720130946.9U Active CN206448830U (en) | 2017-02-14 | 2017-02-14 | A kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905827A (en) * | 2017-11-23 | 2018-04-13 | 西南石油大学 | A kind of self-advancing type hollow grouting anchor and application method with force measuring function |
| 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 |
| CN110656965A (en) * | 2019-10-31 | 2020-01-07 | 长安大学 | Length-adjustable anchor-increasing grouting anchor rod device |
| CN111485915A (en) * | 2020-04-15 | 2020-08-04 | 高军 | Mechanical pre-reinforcing method and positioning device for tunnel face based on weak crushing surrounding rock |
-
2017
- 2017-02-14 CN CN201720130946.9U patent/CN206448830U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905827A (en) * | 2017-11-23 | 2018-04-13 | 西南石油大学 | A kind of self-advancing type hollow grouting anchor and application method with force measuring function |
| 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 |
| CN110656965A (en) * | 2019-10-31 | 2020-01-07 | 长安大学 | Length-adjustable anchor-increasing grouting anchor rod device |
| CN111485915A (en) * | 2020-04-15 | 2020-08-04 | 高军 | Mechanical pre-reinforcing method and positioning device for tunnel face based on weak crushing surrounding rock |
| CN111485915B (en) * | 2020-04-15 | 2021-11-16 | 高军 | Mechanical pre-reinforcing method and positioning device for tunnel face based on weak crushing surrounding rock |
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