CN207989060U - A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability - Google Patents
A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability Download PDFInfo
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- CN207989060U CN207989060U CN201820139606.7U CN201820139606U CN207989060U CN 207989060 U CN207989060 U CN 207989060U CN 201820139606 U CN201820139606 U CN 201820139606U CN 207989060 U CN207989060 U CN 207989060U
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- anchor pole
- protecting
- anchor rod
- spiral winding
- intelligent
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Abstract
The utility model provides a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability, including：Anchor pole, protection sleeve pipe, support disk, cover sheet, spiral winding, grating fibers strain gauge, iron core and data line.Intelligent anchor rod is mounted on bore mode in tunnel wall rock mass, it is fixed by outside and tail end slip casting, and it is fixed in the first lining cutting in tunnel with gunite concrete, the stability of arched tunnel is not only effectively improved, integrally-built stability status is also monitored by the stress and displacement information of acquisition rock mass.Cover sheet is secured by bolts in the concrete on the outside of tunnel wall; protection cap had not only protected spiral winding but also had limited the position of spiral winding; pedestal protection sleeve pipe can be effectively protected spiral winding; simultaneously hollow structure is provided for anchor pole; anchor pole can be made in protective case in-pipe, finally ensure the accuracy that anchor pole second end present position rock displacement measures.
Description
Technical field
The utility model is related to technical field of tunnel construction, more particularly to one kind being suitable for protecting and measure Tunnel Stability
Intelligent anchor rod.
Background technology
Traditional common bolt is mostly used during constructing tunnel at this stage and carries out country rock anchoring, during practice of construction,
This method cannot be satisfied the monitoring requirements of stability parameter.Some inventions install sensor additional directly on anchor pole and carry out parameter prison
It surveys, institute's gathered data accuracy is to be improved, and cannot measure displacement and two kinds of parameters of stress of anchor rod anchored position simultaneously.
Utility model content
The utility model provides a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability, and technical solution is as follows：
A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability, including：Anchor pole, protection sleeve pipe, support disk,
Cover sheet, spiral winding, grating fibers strain gauge, iron core and data line.
It supports disc centre that through-hole is set, is sleeved on anchor pole periphery, supports the outer of disk to be contacted with protection sleeve pipe inner wall, anchor
The first end of bar is fixedly connected with the first end of iron core, and the second end of anchor pole exposes protection sleeve pipe, and the second end of iron core stretches into spiral shell
Coil inside is revolved, spiral winding includes coil body and coil base, and cover sheet setting is used for the circular hole I and use that cable passes through
In the circular hole II that bolt passes through, data line is electrically connected with spiral winding, grating fibers strain gauge.
Further, the second end of anchor pole is bifurcation structure, and cross-sectional area is more than the cross-sectional area of first end.
Further, the quantity of disk is supported to be at least 2.
Further, through-hole is arranged in the position of protection sleeve pipe wall surface installation grating fibers strain gauge.
Further, the cable jacket for protecting data line is set in coil base.
Further, the internal diameter circle consistent with coil body outer diameter is arranged in protection sleeve pipe inner wall stationary positioned plate, positioning plate
Hole.
Intelligent anchor rod is mounted in the hole being drilled in advance in tunnel wall rock mass, is fixed on tunnel wall rock by gunite concrete
Body not only effectively improves the stability of arched tunnel, also detects the stress of rock mass in real time by grating fibers strain gauge, leads to
Cross cooperation displacement of the detection rock mass in anchor pole axial direction in real time of spiral winding and iron core.Cover sheet is secured by bolts in tunnel
In concrete on the outside of wall, protection cap had not only protected spiral winding but also had limited the position of spiral winding, and pedestal protection sleeve pipe can be effective
Spiral winding is protected on ground, while providing hollow structure for anchor pole, and anchor pole can be made in protective case in-pipe, finally ensures anchor pole the
The accuracy that two end present position rock displacements measure.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the cover sheet of the utility model；
Fig. 3 is schematic diagram of the utility model after installation is complete.
In attached drawing the label of each component be：1- anchor poles, 2- protection sleeve pipes, 3- supports disk, 4- cover sheets, 5- spirals
Coil, 6- grating fibers strain gauge, 7- iron cores, 8- data lines, 9- positioning plates, 41- circular holes I, 42- circular holes II, 51- coils
Ontology, 52 coil bases 52.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
As shown in Figure 1, a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability, including：Anchor pole 1, protective case
Pipe 2, support disk 3, cover sheet 4, spiral winding 5, grating fibers strain gauge 6, iron core 7 and data line 8.
The centrally disposed through-hole for supporting disk 3 is sleeved on 1 periphery of anchor pole, supports outer and 2 inner wall of protection sleeve pipe of disk 3
Contact, the first end of anchor pole 1 are fixedly connected with the first end of iron core 7, and the second end of anchor pole 1 exposes protection sleeve pipe 2, spiral winding
5 include coil body 51 and coil base 52, and the second end of iron core 7 stretches into inside coil body 51, data line 8 and helix
Circle 5, grating fibers strain gauge 6 are electrically connected, as shown in Fig. 2, the circular hole I 41 that passes through for cable of the setting of cover sheet 4 with
The circular hole II 2 passed through for bolt.
As shown in figure 3, intelligent anchor rod is mounted in the hole being drilled in advance in tunnel wall rock mass, fixed by gunite concrete
In tunnel wall rock mass, the stability of arched tunnel is not only effectively improved, rock is also detected by grating fibers strain gauge in real time
The stress of body passes through cooperation displacement of the detection rock mass in anchor pole axial direction in real time of spiral winding and iron core.Cover sheet passes through spiral shell
Bolt is fixed in the concrete on the outside of tunnel wall, and protection cap had not only protected spiral winding but also limited the position of spiral winding, and pedestal is protected
Protecting pipe can be effectively protected spiral winding, while provide hollow structure for anchor pole, anchor pole can be made in protective case in-pipe, most
The accuracy that anchor pole second end present position rock displacement measures is ensured eventually.
Further, the second end of anchor pole 1 is bifurcation structure, and cross-sectional area is more than the cross-sectional area of the first end of anchor pole 1.
The big reliability that can ensure anchoring of second end cross-sectional area, and accurate response rock displacement.
Further, the quantity of support disk 3 is no less than 2.During intelligent anchor rod and gunite concrete are installed, make
Be conducive to position of the anchor pole in protection sleeve pipe with no less than 2 support disks to stablize, it is ensured that the accurate anchor pole that obtains is relative to tunnel
The angle of road wall lays the foundation for the accuracy of subsequent Measurement and Data Processing result.
Further, through-hole is arranged in the position of 2 wall surface of protection sleeve pipe installation grating fibers strain gauge 6.The through-hole is used
It is passed through in the data line being connect with strain gauge, is that data line is in protection sleeve pipe, avoid installation intelligent anchor rod and injection
Damage data line during concrete.
Further, as shown in Figure 1, the cable jacket 53 for protecting data line is arranged in coil base 52.Cable protects
Set is conducive to protect data line bending damage, it is often more important that and spiral winding passes through the circular hole I of cover sheet by cable jacket,
Prevent in installation process that cover sheet is excessively at random with spiral winding, be easily installed, and it is detachable, replace, spiral winding is one
It completes to move to other places use after measuring mission at place's intelligent anchor rod, it is cost-effective.
Further, 5 inner wall stationary positioned plate 9 of protection sleeve pipe, it is consistent with 51 outer diameter of coil body that internal diameter is arranged in positioning plate 9
Circular hole.Positioning plate and cover sheet are tightly attached to coil base both ends, ensure installation rear screw coil axis every time and iron core
Position relationship is stablized, and the positioning plate setting bore circular hole consistent with coil body outer diameter makes spiral winding axis and anchor pole axis
It coincide more preferably, ensures measurement accuracy.
Also be cover sheet be equipped with bolts and nuts, nut be embedded in rock mass in tunnel on the outside of gunite concrete in, bolt with
Nut cooperation is fixed and positioning cover sheet, cover sheet limit the position of spiral winding with positioning plate cooperation, and easy to disassemble
With installation spiral winding.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability, which is characterized in that including：Anchor pole (1), protective case
Manage (2), support disk (3), cover sheet (4), spiral winding (5), grating fibers strain gauge (6), iron core (7) and data
Line (8)；
Central through hole is arranged in the support disk (3), is sleeved on the anchor pole (1) periphery, the outer of the support disk (3) and institute
The inner wall contact of protection sleeve pipe (2) is stated, the first end of the anchor pole (1) is fixedly connected with the first end of the iron core (7), described
The second end of anchor pole (1) is located at the outside of the protection sleeve pipe (2), and the spiral winding (5) includes coil body (51) and line
Pedestal (52) is enclosed, the second end of the iron core (7) stretches into the coil body (51) inside, the data line (8) and the spiral shell
Spin line circle (5), grating fibers strain gauge (6) electrical connection, the circular hole I that cover sheet (4) setting is passed through for cable
(41) and for bolt the circular hole II (42) passed through.
2. a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability according to claim 1, which is characterized in that
The cross-sectional area of the second end of the anchor pole (1) is more than the cross-sectional area of the first end of anchor pole (1).
3. a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability according to claim 2, which is characterized in that
The quantity of the support disk (3) is at least 2.
4. a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability according to claim 3, which is characterized in that
Through-hole is arranged in the position that protection sleeve pipe (2) wall surface installs the grating fibers strain gauge (6).
5. a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability according to claim 4, which is characterized in that
Cable jacket (53) of the setting for the protection data line (8) on the coil base (52).
6. a kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability according to claim 5, which is characterized in that
Protection sleeve pipe (2) the inner wall stationary positioned plate (9), positioning plate (9) the setting internal diameter and the coil body (51) outer diameter
Consistent circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820139606.7U CN207989060U (en) | 2018-01-28 | 2018-01-28 | A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820139606.7U CN207989060U (en) | 2018-01-28 | 2018-01-28 | A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989060U true CN207989060U (en) | 2018-10-19 |
Family
ID=63822128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820139606.7U Active CN207989060U (en) | 2018-01-28 | 2018-01-28 | A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability |
Country Status (1)
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| CN (1) | CN207989060U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150209A (en) * | 2018-01-28 | 2018-06-12 | 大连海事大学 | A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability |
| CN110657905A (en) * | 2019-08-27 | 2020-01-07 | 山东大学 | Tunnel surrounding rock internal stress distributed monitoring device, construction method and monitoring method |
| CN112857299A (en) * | 2020-12-30 | 2021-05-28 | 江苏法尔胜光电科技有限公司 | Mounting method of displacement sensor for tunnel |
-
2018
- 2018-01-28 CN CN201820139606.7U patent/CN207989060U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150209A (en) * | 2018-01-28 | 2018-06-12 | 大连海事大学 | A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability |
| CN110657905A (en) * | 2019-08-27 | 2020-01-07 | 山东大学 | Tunnel surrounding rock internal stress distributed monitoring device, construction method and monitoring method |
| CN112857299A (en) * | 2020-12-30 | 2021-05-28 | 江苏法尔胜光电科技有限公司 | Mounting method of displacement sensor for tunnel |
| CN112857299B (en) * | 2020-12-30 | 2022-10-11 | 江苏法尔胜光电科技有限公司 | Mounting method of displacement sensor for tunnel |
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