CN108426517A - A kind of country rock radial displacement measuring device - Google Patents
A kind of country rock radial displacement measuring device Download PDFInfo
- Publication number
- CN108426517A CN108426517A CN201810245661.9A CN201810245661A CN108426517A CN 108426517 A CN108426517 A CN 108426517A CN 201810245661 A CN201810245661 A CN 201810245661A CN 108426517 A CN108426517 A CN 108426517A
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- China
- Prior art keywords
- measuring device
- country rock
- hollow bolt
- displacement
- radial displacement
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention belongs to rock field of measuring technique, disclose a kind of country rock radial displacement measuring device, including：Hollow bolt, hollow interior bar, anchorage head, displacement sensor, data collecting instrument and external base；The first end of the hollow bolt is provided with stop grouting plug, and through-hole is offered on the stop grouting plug；The shaft of the hollow interior bar can slide axially in the through-hole relative to the hollow bolt；The anchorage head and the one end of the hollow interior bar are fixedly linked, and are located at outside the hollow bolt；Institute's displacement sensors are connected with the anchorage head, monitor the axial displacement of anchorage head；The data collecting instrument is connected with institute displacement sensors, obtains the data of the axial displacement；The external base and the second end of the hollow bolt are fixedly linked, and the data collecting instrument and institute's displacement sensors are fixed in the external base.The present invention provides a kind of country rock radial displacement measuring device, improving measurement accuracy and efficiency, reduces operation difficulty and cost.
Description
Technical field
The present invention relates to rock field of measuring technique, more particularly to a kind of country rock radial displacement measuring device.
Background technology
Underground engineering wall rock radial displacement is the most direct parameter that country rock excavates mechanical response, and radial displacement is always country rock
Stability prediction, evaluation and the Main Basiss of control.
It in existing measurement realization method, is measured using multipoint displacement meter, draws time-displacement curve and along gaging hole
Displacements Distribution, to provide basic data with law-analysing for surrouding rock deformation subregion and evolution Feature.But instrument embedding expense
Higher, the construction time is long, and installation specification is high, is only used for the key position of Important Project or carries out scientific experiment work, difficult
To carry out large batch of productivity installation.
Invention content
The present invention provides a kind of country rock radial displacement measuring device, solves country rock radial displacement in the prior art and measures operation
The technical issues of complexity, installation cost are high, efficiency is low, low precision.
In order to solve the above technical problems, the present invention provides a kind of country rock radial displacement measuring devices, including：Middle spare anchor
Bar, hollow interior bar, anchorage head, displacement sensor, data collecting instrument and external base；
The first end of the hollow bolt is provided with stop grouting plug, and through-hole is offered on the stop grouting plug；
The shaft of the hollow interior bar can slide axially in the through-hole relative to the hollow bolt；
The anchorage head and the one end of the hollow interior bar are fixedly linked, and are located at outside the hollow bolt；
Institute's displacement sensors are connected with the anchorage head, monitor the axial displacement of anchorage head；
The data collecting instrument is connected with institute displacement sensors, obtains the data of the axial displacement；
The external base and the second end of the hollow bolt are fixedly linked, the data collecting instrument and the displacement
Sensor is fixed in the external base.
Further, the measuring device further includes：Elastic material filled layer；
The elastic material filled layer is arranged in the gap between the hollow interior bar and the hollow bolt.
Further, the stop grouting plug is elastic packing plug.
Further, the elastic material filled layer uses rubber bush；
The rubber bush is socketed between the outer wall and the inner wall of the hollow bolt of the hollow interior bar.
Further, institute's displacement sensors include：Displacement sensor for pull rope；
The displacement sensor for pull rope is fixed in the external base, and is connected with the anchorage head by drawstring；
The drawstring is located at the interior intracavitary of the hollow interior bar；
The displacement sensor for pull rope is connected with the data collecting instrument.
Further, the external base is using the cavity body structure for being provided with inner volume；
The data collecting instrument and the rope sensor are fixed in the internal cavity of the cavity body structure.
Further, binding groove is opened up on the cavity body structure；
The binding groove is fixed in the second end of the hollow bolt；
It is opened up in the binding groove and passes through cord hole for the drawstring.
Further, the binding groove is used with the second end of the hollow bolt and is threadedly coupled.
Further, the measuring device further includes：Backing plate；
The backing plate is socketed in outside the hollow bolt, is resisted against on palisades.
Further, the measuring device further includes：LED light；
The LED light is connected with the data collecting instrument.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
The country rock radial displacement measuring device provided in the embodiment of the present application, in conjunction with the survey of the radial displacement of anchor pole and country rock
Structure is measured, the measurement of country rock radial displacement can be also completed realizing surrouding rock deformation control simultaneously.Relative to discrete anchor pole and
The labyrinth and installation operation of measuring device, country rock radial displacement measuring device significantly simplify apparatus structure and installation operation,
The manpower and materials cost for reinforcing operation is measured to reduce.Specifically, hollow by being disposed in the inner cavity of hollow bolt
Interior bar, and in plug, consequently facilitating sliding axially, it is equipped with the anchorage head in hollow interior boom end, realize radial position
The induction of shifting；Surrouding rock deformation, the measurement of inductance structure set in protection, to improving measurement accuracy and reliably are limited by anchor pole
Property.Hollow bolt is fixed by external base and realizes reliable anchor structure, and stable measurement structure is provided for radial displacement.
Description of the drawings
Fig. 1 is country rock radial displacement measuring device provided by the invention；
Fig. 2 is the partial structural diagram of Fig. 1.
Specific implementation mode
The embodiment of the present application solves country rock radial direction position in the prior art by providing a kind of country rock radial displacement measuring device
The technical issues of shift measurement is complicated for operation, installation cost is high, efficiency is low, low precision.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than to the restriction of technical scheme, in the absence of conflict, the embodiment of the present application
And the technical characteristic in embodiment can be combined with each other.
Referring to Fig. 1 and Fig. 2, a kind of country rock radial displacement measuring device, including：Hollow bolt 4, hollow interior bar 5, anchorage head
6, displacement sensor 1, data collecting instrument 3 and external base 2.
Wherein, one end in drilling is located at after the first end of the hollow bolt 9, that is, installation, is provided with stop grouting plug
7, through-hole is offered on the stop grouting plug 7；The shaft of the hollow interior bar 5 can slide axially in the through-hole.
The anchorage head 6 and the one end of the hollow interior bar 5 being located at outside the hollow bolt 4 are fixedly linked；For
It is fixed on country rock, when country rock generates radial displacement, anchorage head 6 follows movement, and hollow interior bar 5 is pulled to slide axially, and keeps
The movable supporting of anchorage head 6.It is worth noting that anchorage head 6 can be arranged to detach two components with hollow interior bar 5, peace
It is assembled when dress, integrally formed component can also be arranged to.
Institute's displacement sensors 1 are connected with the anchorage head 6, monitor the axial displacement of anchorage head 6, are exactly opposite
In the axial displacement of the static main body such as hollow bolt 4, external base 2.
The data collecting instrument 3 is connected with institute displacement sensors 1, obtains the data of the axial displacement；Realize data
Storage.
The external base 2 and the first end of the hollow bolt 4 are fixedly linked, that is, the external base 2 is fixed
It is located on one end outside drilling in the hollow bolt 4.On the one hand, measuring instrument instrument can be given to provide stable support knot
Structure, while also allowing for installation maintenance.
By the combination of anchor structure and radial displacement measurement structure, existing anchoring and measurement structure and peace are significantly simplified
Operating method is filled, artificial and material resources cost is greatly reduced.Meanwhile country rock deformation can be inhibited by the structure of anchor pole, to shape
At stable measuring environment, improving measurement accuracy and reliability.
The measuring device further includes：Elastic material filled layer 15；The elastic material filled layer 15 is arranged in described
In gap between empty interior bar 5 and the hollow bolt 4.On the one hand, it can prevent sky interior bar 5 from generating amount of deflection, avoid the occurrence of partially
It moves and shakes, promote the reliability of radial displacement induction, improving measurement accuracy.
In general, occur shaft abrasion when elastic material filled layer 15 can avoid hollow interior bar 5 from sliding, ensure to measure
Reliability of structure.Rubber material layer usually can be used；Rubber bush is namely formed, the outer wall of the hollow interior bar is socketed in
Between the inner wall of the hollow bolt.
Similar, the stop grouting plug 7 can be used elastic packing plug, and when grouting, block slurries enter hollow bolt, together
When can also reduce abrasion.Rubber plug or similar other materials plug can also be used.It is corresponding, in hollow bolt 4
The external stop grouting plug 8 of socket outside second end, for block of anchor pole grouting when fixed.
Institute's displacement sensors 1 include：Displacement sensor for pull rope；The displacement sensor for pull rope is fixed on the outer bottom
On seat 2, and it is connected with the anchorage head 6 by drawstring 17.In general, the mortar of anchorage head 6 is fixed on one with hole wall rock mass
It rises, when external base 2 and anchorage head 6 generate relative displacement, displacement sensor for pull rope is passed to by drawstring 17 and realizes displacement
Monitoring.And the displacement sensor for pull rope is connected with the data collecting instrument 3, to store measurement data acquisition.
The drawstring 17 is located at the interior intracavitary of the hollow interior bar 5；It can ensure that drawstring 17 is in reliable and measures always
In environment, ensure the reliability of measurement data.Meanwhile the structure of rigid hollow bolt 4 and hollow interior bar 5 can also ensure to draw
The straight attribute of axial direction of rope 17, does not generate amount of deflection, ensures the reliability measured.
In general, in host rock environment, illumination condition changes greatly, and as surrouding rock deformation early warning warning lamp, LED is arranged
Indicator light 13；And be connected with the power supply of displacement sensor for pull rope 1 or data collecting instrument 3, to realize that bright light indicates.LED
Indicator light 13 may be provided in external base 2, be in full position, convenient for instruction.
In general, it is that displacement sensor for pull rope 1 or data collecting instrument 3 provide electric energy supply and battery pack 16 can be used, electricity
Pond group 16 is respectively with displacement sensor for pull rope or data collecting instrument 3 for being electrically connected.In general, can outside may be provided at battery pack 16
In pedestal 2 or hollow bolt 4.
In general, the external base 2 is using the cavity body structure for being provided with inner volume；The data collecting instrument 3 with
And the rope sensor is fixed in the internal cavity of the cavity body structure so that measuring instrument instrument is in and blocks protection
In environment, ensure the reliability of instrument and meter.
Binding groove 14 is opened up on the cavity body structure；The binding groove 14 is fixed in the second end of the hollow bolt 4；
It realizes to stablize and fix.It is opened up in the binding groove 14 and passes through cord hole for the drawstring 17.
The binding groove 14, using being threadedly coupled, ensures the same of fixed reliability with the second end of the hollow bolt 4
When, promote efficiency of assembling.
The measuring device further includes：Backing plate 9；The backing plate 9 is socketed in outside the hollow bolt 4, is resisted against the brill
Kong Shang.
In general, fastening nut 11 is set, and the outside of the second end in hollow bolt 4 opens up external screw thread, realizes spiral shell
Line connects, and for compressing the backing plate 9, limits its axial movement.
In order to promote the uniformity of stress, the backing plate 9 and 11 contact site of the fastening nut, it is convex to be arranged to circular axial
12 are played, contact surface size is limited.Matched, the fastening nut 11 and the contact site of the circular axial protrusion 12 are arranged to
Matched radial flange 10, end face are slightly larger than the end face of the circular axial protrusion 12.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
The country rock radial displacement measuring device provided in the embodiment of the present application, in conjunction with the survey of the radial displacement of anchor pole and country rock
Structure is measured, the measurement of country rock radial displacement can be also completed realizing surrouding rock deformation control simultaneously.Relative to discrete anchor pole and
The labyrinth and installation operation of measuring device, country rock radial displacement measuring device significantly simplify apparatus structure and installation operation,
The manpower and materials cost for reinforcing operation is measured to reduce.Specifically, hollow by being disposed in the inner cavity of hollow bolt
Interior bar, and in plug, consequently facilitating sliding axially, it is equipped with the anchorage head in hollow interior boom end, realize radial position
The induction of shifting；Surrouding rock deformation, the measurement of inductance structure set in protection, to improving measurement accuracy and reliably are limited by anchor pole
Property.Hollow bolt is fixed by external base and realizes reliable anchor structure, and stable measurement structure is provided for radial displacement.
It should be noted last that the above specific implementation mode is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described the invention in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit of the technical scheme of the invention and range, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of country rock radial displacement measuring device, which is characterized in that including：Hollow bolt, hollow interior bar, anchorage head, displacement
Sensor, data collecting instrument and external base；
The first end of the hollow bolt is provided with stop grouting plug, and through-hole is offered on the stop grouting plug；
The shaft of the hollow interior bar can slide axially in the through-hole relative to the hollow bolt；
The anchorage head and the one end of the hollow interior bar are fixedly linked, and are located at outside the hollow bolt；
Institute's displacement sensors are connected with the anchorage head, monitor the axial displacement of anchorage head；
The data collecting instrument is connected with institute displacement sensors, obtains the data of the axial displacement；
The external base and the second end of the hollow bolt are fixedly linked, the data collecting instrument and the displacement sensing
Device is fixed in the external base.
2. country rock radial displacement measuring device as described in claim 1, which is characterized in that the measuring device further includes：Bullet
Property material filled layer；
The elastic material filled layer is arranged in the gap between the hollow interior bar and the hollow bolt.
3. country rock radial displacement measuring device as claimed in claim 2, it is characterised in that：The stop grouting plug is stifled for elastic packing
Head.
4. country rock radial displacement measuring device as claimed in claim 3, it is characterised in that：The elastic material filled layer uses
Rubber bush；
The rubber bush is socketed between the outer wall and the inner wall of the hollow bolt of the hollow interior bar.
5. such as Claims 1 to 4 any one of them country rock radial displacement measuring device, which is characterized in that the displacement sensing
Device includes：Displacement sensor for pull rope；
The displacement sensor for pull rope is fixed in the external base, and is connected with the anchorage head by drawstring；
The drawstring is located at the interior intracavitary of the hollow interior bar；
The displacement sensor for pull rope is connected with the data collecting instrument.
6. country rock radial displacement measuring device as claimed in claim 5, it is characterised in that：The external base is used and is provided with
The cavity body structure of inner volume；
The data collecting instrument and the rope sensor are fixed in the internal cavity of the cavity body structure.
7. country rock radial displacement measuring device as claimed in claim 6, it is characterised in that：Fastening is opened up on the cavity body structure
Slot；
The binding groove is fixed in the second end of the hollow bolt；
It is opened up in the binding groove and passes through cord hole for the drawstring.
8. country rock radial displacement measuring device as claimed in claim 7, which is characterized in that the binding groove and the middle spare anchor
The second end of bar is using threaded connection.
9. country rock radial displacement measuring device as claimed in claim 8, which is characterized in that the measuring device further includes：Pad
Plate；
The backing plate is socketed in outside the hollow bolt, is resisted against on palisades.
10. country rock radial displacement measuring device as claimed in claim 9, which is characterized in that the measuring device further includes：
LED light；
The LED light is connected with the data collecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245661.9A CN108426517A (en) | 2018-03-23 | 2018-03-23 | A kind of country rock radial displacement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245661.9A CN108426517A (en) | 2018-03-23 | 2018-03-23 | A kind of country rock radial displacement measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108426517A true CN108426517A (en) | 2018-08-21 |
Family
ID=63158988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810245661.9A Pending CN108426517A (en) | 2018-03-23 | 2018-03-23 | A kind of country rock radial displacement measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108426517A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162178A (en) * | 2018-10-29 | 2019-01-08 | 李展 | A kind of digitlization laying equipment and the method that paves |
| CN109708706A (en) * | 2019-03-13 | 2019-05-03 | 山东科技大学 | A kind of country rock-arch contact relation monitoring device and application method |
| CN110836654A (en) * | 2019-11-22 | 2020-02-25 | 江苏南水科技有限公司 | Automatic monitoring device and method for underground three-dimensional deformation |
| CN111595388A (en) * | 2020-06-24 | 2020-08-28 | 湘潭大学 | Humiture sensing intelligence stock |
| CN112483153A (en) * | 2020-11-25 | 2021-03-12 | 中铁隧道局集团有限公司 | Novel anchor rod device with self-deformation and surrounding rock displacement display functions |
| CN113503180A (en) * | 2021-09-13 | 2021-10-15 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
| CN113670247A (en) * | 2021-08-17 | 2021-11-19 | 中国科学院生态环境研究中心 | Plant radial growth rhythm monitor |
| CN114961819A (en) * | 2022-05-24 | 2022-08-30 | 中国矿业大学 | High-precision anchor rod prestress application measuring device and using method thereof |
| EP4183974A1 (en) * | 2021-11-17 | 2023-05-24 | DSI Underground Austria GmbH | Sensor-supported hollow rod system |
| WO2024064974A1 (en) * | 2022-09-20 | 2024-03-28 | Innovative Mining Products (Pty) Ltd | A displacement measuring device for installation in a rock hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109162178A (en) * | 2018-10-29 | 2019-01-08 | 李展 | A kind of digitlization laying equipment and the method that paves |
| CN109708706A (en) * | 2019-03-13 | 2019-05-03 | 山东科技大学 | A kind of country rock-arch contact relation monitoring device and application method |
| CN110836654A (en) * | 2019-11-22 | 2020-02-25 | 江苏南水科技有限公司 | Automatic monitoring device and method for underground three-dimensional deformation |
| CN111595388A (en) * | 2020-06-24 | 2020-08-28 | 湘潭大学 | Humiture sensing intelligence stock |
| CN112483153A (en) * | 2020-11-25 | 2021-03-12 | 中铁隧道局集团有限公司 | Novel anchor rod device with self-deformation and surrounding rock displacement display functions |
| CN113670247A (en) * | 2021-08-17 | 2021-11-19 | 中国科学院生态环境研究中心 | Plant radial growth rhythm monitor |
| CN113670247B (en) * | 2021-08-17 | 2022-02-11 | 中国科学院生态环境研究中心 | Plant radial growth rhythm monitor |
| CN113503180A (en) * | 2021-09-13 | 2021-10-15 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
| CN113503180B (en) * | 2021-09-13 | 2021-11-16 | 徐州成瑞建筑科技研究院有限公司 | Anchor rod capable of displaying magnitude of tension borne by tail of anchor rod |
| EP4183974A1 (en) * | 2021-11-17 | 2023-05-24 | DSI Underground Austria GmbH | Sensor-supported hollow rod system |
| CN114961819A (en) * | 2022-05-24 | 2022-08-30 | 中国矿业大学 | High-precision anchor rod prestress application measuring device and using method thereof |
| WO2024064974A1 (en) * | 2022-09-20 | 2024-03-28 | Innovative Mining Products (Pty) Ltd | A displacement measuring device for installation in a rock hole |
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Application publication date: 20180821 |