CN107083980A - The country rock disaster alarm method and anchoring prior-warning device of a kind of roadway supported by bolt - Google Patents
The country rock disaster alarm method and anchoring prior-warning device of a kind of roadway supported by bolt Download PDFInfo
- Publication number
- CN107083980A CN107083980A CN201710452402.9A CN201710452402A CN107083980A CN 107083980 A CN107083980 A CN 107083980A CN 201710452402 A CN201710452402 A CN 201710452402A CN 107083980 A CN107083980 A CN 107083980A
- Authority
- CN
- China
- Prior art keywords
- balance pipe
- country rock
- annular balance
- tray
- warning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 63
- 238000004873 anchoring Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000000725 suspension Substances 0.000 claims description 10
- 238000005253 cladding Methods 0.000 claims 1
- 231100001261 hazardous Toxicity 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0086—Bearing plates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/02—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a kind of country rock disaster alarm method of roadway supported by bolt and anchoring prior-warning device, anchoring prior-warning device includes anchor pole, nut, underlying tray, multilayer tray and annular balance pipe；The tail end ecto-entad of described anchor pole is sequentially provided with nut, underlying tray, annular balance pipe and multilayer tray；Reflective liquid is provided with described annular balance pipe, annular balance pipe is provided with hydraulic work energy threshold.The present invention can lift anchor pole underlying tray bearing capacity, and realize early warning using the ejection of reflective liquid to the abnormal artesian condition of country rock, have the advantages that simple in construction, simple for production, operation is simple, be more suitable for underground humidity hazardous environment.
Description
Technical field
Field is monitored the invention belongs to the suspension roof support in mine and underground engineering tunnel, and in particular to a kind of suspension roof support lane
The country rock disaster alarm method and anchoring prior-warning device in road.
Background technology
As superficial part resource is petered out, the mine of domestic and international super km mining depth is very universal, and rock mass engineering project is just
Develop to underground deep, to ensure mine and all kinds of stability of the roadway of underground engineering, suspension roof support, which turns into, safeguards that roadway surrounding rock is steady
Fixed important support form.Deep wall rock can be acted on by high-ground stress, cause Bolt System to occur destruction or fail,
Further induce roof fall, wall caving, the country rock disaster such as bump so that the country rock disaster under suspension roof support has hysteresis quality, hidden
Covering property and sudden.Occur for control country rock disaster, must generally improve the anchoring effect of anchor pole, mainly to improve anchor pole and basic
The intensity and deformability of pallet are means；Realize that the method for early warning of country rock disaster mainly encloses to anchor rod system stress and anchoring
Direct observation of rock displacement etc..At present, the means of the anchor rod anchored effect of raising, more concern anchor rod body performance, but according to
Anchor pole and country rock interaction principle, anchor rod pallet board contacted with country rock be well anchor pole performance anchorage effect key, if anchor
Lever bracket disk and country rock contact area are inadequate, it may appear that anchor pole caves in or vacantly, the supporting performance for causing anchor pole from face can not be abundant
Play.Meanwhile, country rock disaster alarm device is generally to improve anchor member and install strain gauge and stressometer or set surrouding rock deformation
, though the measurement accuracy of these devices is high, there is poor sensing part contact stabilization, the manufacturing and tie up in displacement monitoring electronic component
The limitations such as cost height are protected, electronic component, to the environmental requirement height of installation, is limited to the bad adaptability of moist, hazardous environment
The use of electronic component class prior-warning device.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of simple in construction, easy to operate and can effectively strengthen anchor
Bar support system bearing capacity and roadway supported by bolt country rock disaster is monitored early warning roadway supported by bolt country rock calamity
Evil anchoring prior-warning device and method for early warning.
The technical solution adopted by the present invention is：A kind of country rock disaster anchoring prior-warning device of roadway supported by bolt, including anchor
Bar, nut, underlying tray, multilayer tray and annular balance pipe；The tail end ecto-entad of described anchor pole is sequentially provided with nut, base
This pallet, annular balance pipe and multilayer tray；Reflective liquid is provided with described annular balance pipe, annular balance pipe is provided with liquid
Press duty valve.
In the country rock disaster anchoring prior-warning device of above-mentioned roadway supported by bolt, the multilayer tray is held than underlying tray
Pressure surface product is big.
A kind of country rock of the roadway supported by bolt of country rock disaster anchoring prior-warning device using above-mentioned roadway supported by bolt
Disaster alarm method, comprises the following steps：
（1）According to roadway bolting support design, suspension roof support position is determined, and squeezes into anchor pole, is covered successively in end of anchor rod
Enter multilayer tray, annular balance pipe, underlying tray, then by nut by underlying tray, annular balance pipe and multilayer tray pressure
It is attached on country rock wall；
（2）It is filled with reflective liquid in annular balance pipe, selection and the supporting hydraulic work energy threshold of pressure-bearing early warning value are by reflective liquid
It is closed in annular balance pipe.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention can turn into weight in Bolt System according to suspension roof support and the interaction feature of roadway surrounding rock, underlying tray
Bearing carrier is wanted, key effect is played to roadway surrounding rock compressive deformation, is further added by the basis of underlying tray larger-sized
Multilayer tray, it is possible to increase the contact area with country rock of pallet, lifts the support with bolting effect to country rock and anchor pole anchor support force；Fill
There is reflective liquid and the annular balance pipe equipped with hydraulic work energy threshold is arranged between underlying tray and multilayer tray, annular balance pipe
Extruding force suffered by pallet can be directly born, according to anchor rod anchored utmost carrying ability value, to the reasonable pressure-bearing early warning value of hydraulic work energy threshold
Carry out structure design；When ground stress anomally increase causes failure and deformation of surrounding rocks, the extruding force suffered by annular balance pipe is also corresponding
Increase, the compression increase of annular balance pipe reaches the pressure-bearing early warning value of design, and hydraulic work energy threshold is opened, and reflective liquid is injected in support
The country rock wall on disk periphery, in underground passage light environment, the country rock wall for being sprayed with reflective liquid can be shinny, so as to realize calamity
Evil early warning.
The present invention has taken into full account the interaction of anchor pole and roadway surrounding rock, basic by increasing multilayer tray lifting anchor pole
Pallet bearing capacity, and early warning is realized using the ejection of reflective liquid to the abnormal artesian condition of country rock, with simple in construction, make letter
Just, operation is simple, is more suitable for the advantage of underground humidity hazardous environment.
Brief description of the drawings
Fig. 1 anchors prior-warning device structural representation for a kind of country rock disaster of roadway supported by bolt of the invention.
Fig. 2 is the annular balance pipe schematic diagram of the present invention.
Fig. 3 is the non-alert status schematic diagram of apparatus of the present invention.
Fig. 4 is apparatus of the present invention alert status schematic diagram.
In figure：1-multilayer tray, 2-annular balance pipe, 3-underlying tray, 4-nut, 5-anchor pole, 6-country rock wall,
7-hydraulic work energy threshold, the reflective liquid of 8-.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the present invention roadway supported by bolt country rock disaster anchoring prior-warning device, including anchor pole 5, nut 4,
Underlying tray 3, multilayer tray 1 and annular balance pipe 2；The tail end ecto-entad of described anchor pole 5 is provided with nut 4, underlying tray
3rd, annular balance pipe 2 and multilayer tray 1, nut 4 overlay multilayer tray 1 on country rock wall 6.In described annular balance pipe 2
Provided with reflective liquid 8, annular balance pipe 2 is provided with hydraulic work energy threshold 7.The hydraulic work energy threshold 7 can be overlapped control and set
Meter, realizes that the unlatching to a variety of bearing stress values is responded.
A kind of country rock of the roadway supported by bolt of country rock disaster anchoring prior-warning device using above-mentioned roadway supported by bolt
Disaster alarm method, comprises the following steps：
（1）According to roadway bolting support design, suspension roof support position is determined, and squeezes into anchor pole 5, in the tail end of anchor pole 5 successively
Multilayer tray 1, annular balance pipe 2, underlying tray 3 are inserted in, then by the way that nut 4 is by underlying tray 3, annular balance pipe 2 and answers
Layer pallet 1 is overlayed on country rock wall 6；
（2）It is filled with reflective liquid 8 in annular balance pipe 2, selection and the supporting hydraulic work energy threshold 7 of pressure-bearing early warning value are by reflective liquid
Body 8 is closed in annular balance pipe 2.According to suspension roof support and the interaction feature of country rock, meeting before roadway surrounding rock disaster occurs
Cause underlying tray 3 and multilayer tray 1 to bear very high extruding force, and then compress annular balance pipe 2, when annular balance pipe 2
When stress reaches the pressure-bearing early warning value of design, hydraulic work energy threshold 7 is opened, and the reflective liquid 8 in annular balance pipe 2 is injected in pallet
Peripheral rock wall, realizes disaster alarm.
Multilayer tray 1 is bigger than the dimensioned area of underlying tray 3, can be made up, be enclosed in fragility of metal or nonmetallic materials
In rock gangway road, the pull out type fracture on fragility country rock surface is better adapted to, it is to avoid due to underlying tray 3 and the contact surface of country rock wall 6
The problem of anchor rod body 5 fails caused by the country rock wall surface that product is not enough produced is peeled off, so as to improve holding for anchor rod body 5
Loading capability.
Under normal circumstances, the country rock disaster anchoring prior-warning device of roadway supported by bolt plays the work of increase anchor pole bearing capacity
With the country rock on, the periphery of multilayer tray 1 without light, as shown in Figure 3.When ground stress anomally increases, surrouding rock deformation causes anchor pole bar
Body 5 is stretched, and the extruding force suffered by the annular balance pipe 2 between multilayer tray 1 and underlying tray 3 is also increased, when reaching design
During pressure-bearing early warning value, the hydraulic work energy threshold 7 on annular balance pipe 2 is opened, and the reflective liquid 8 in annular balance pipe 2 is injected in support
On the country rock wall 6 on disk periphery, as shown in Figure 4.In the dark surrounds of underground, by the irradiation of mine lamp, reflective liquid 8 is injected with
Country rock wall 6 will have light generation, you can clearly tell roadway surrounding rock stress abnormality region, reach the mesh of country rock disaster alarm
, and then the reply preparation of disguised country rock disaster is carried out in advance, there is practical significance to the safe and efficient production of mine.
Using the roadway supported by bolt country rock disaster alarm method and anchoring prior-warning device of the present invention, anchor can be effectively lifted
The bearing capacity of lever bracket disk, and early warning is realized using the ejection of reflective liquid to the abnormal artesian condition of country rock, operation is simple, more
It is adapted to the moist hazardous environment in underground.
Claims (3)
1. a kind of country rock disaster anchoring prior-warning device of roadway supported by bolt, it is characterized in that：Including anchor pole, nut, underlying tray,
Multilayer tray and annular balance pipe；The tail end ecto-entad of described anchor pole is sequentially provided with nut, underlying tray, annular balance pipe
And multilayer tray；Reflective liquid is provided with described annular balance pipe, annular balance pipe is provided with hydraulic work energy threshold.
2. the country rock disaster anchoring prior-warning device of roadway supported by bolt according to claim 1, it is characterized in that：The cladding
Pallet is bigger than the bearing area of underlying tray.
3. a kind of country rock disaster of the roadway supported by bolt described in utilization claim 1 or 2 anchors the suspension roof support of prior-warning device
The country rock disaster alarm method in tunnel, comprises the following steps：
（1）According to roadway bolting support design, suspension roof support position is determined, and squeezes into anchor pole, is covered successively in end of anchor rod
Enter multilayer tray, annular balance pipe, underlying tray, then by nut by underlying tray, annular balance pipe and multilayer tray pressure
It is attached on country rock wall；
（2）It is filled with reflective liquid in annular balance pipe, selection and the supporting hydraulic work energy threshold of pressure-bearing early warning value are by reflective liquid
It is closed in annular balance pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452402.9A CN107083980B (en) | 2017-06-15 | 2017-06-15 | Surrounding rock disaster early warning method and anchor early warning device for anchor bolt supporting roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452402.9A CN107083980B (en) | 2017-06-15 | 2017-06-15 | Surrounding rock disaster early warning method and anchor early warning device for anchor bolt supporting roadway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107083980A true CN107083980A (en) | 2017-08-22 |
| CN107083980B CN107083980B (en) | 2023-06-30 |
Family
ID=59605618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710452402.9A Active CN107083980B (en) | 2017-06-15 | 2017-06-15 | Surrounding rock disaster early warning method and anchor early warning device for anchor bolt supporting roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107083980B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412526A (en) * | 2018-05-14 | 2018-08-17 | 重庆大学 | A kind of adaptive hierarchical early warning anchor pole |
| CN109458204A (en) * | 2018-09-21 | 2019-03-12 | 北方工业大学 | Anchor rod cable stress measuring device capable of giving out light and giving out early warning |
| CN109931086A (en) * | 2019-04-27 | 2019-06-25 | 代连朋 | A kind of accumulation of energy impact preventing anchor rod tray box |
| CN110715760A (en) * | 2019-10-30 | 2020-01-21 | 中铁隧道局集团有限公司 | Full-length bonding inclined anchor rod axial force monitoring device and experimental method |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB950552A (en) * | 1961-08-22 | 1964-02-26 | William George Burton Mcclean | Improvements in or relating to visual warning devices for indicating loss of tensionin bolts |
| US3137268A (en) * | 1962-05-23 | 1964-06-16 | Clive H Bramson | Warning device |
| RU83517U1 (en) * | 2009-02-12 | 2009-06-10 | Алексей Генрихович Малинин | SOIL ANCHOR |
| CN101482023A (en) * | 2008-12-30 | 2009-07-15 | 卢泉生 | Novel tunnel anchor cable/rod support method |
| RU99537U1 (en) * | 2009-07-28 | 2010-11-20 | Общество с ограниченной ответственностью "Монтажник Распадской" | Mining Anchorages |
| CN102536283A (en) * | 2012-02-24 | 2012-07-04 | 安徽理工大学 | Retractable constant force yielding anchor bolt for dynamical pressure soft rock lane |
| CN102808634A (en) * | 2011-05-30 | 2012-12-05 | 安徽理工大学 | Hydraulic coupling anchor bolt |
| US20130115013A1 (en) * | 2010-06-10 | 2013-05-09 | Manchao He | Constant-resistance large-deformation anchor rod |
| CN103422890A (en) * | 2013-07-26 | 2013-12-04 | 山东大学 | Novel anchor rod pulling resistance alarm and using method thereof |
| CN203847139U (en) * | 2014-05-28 | 2014-09-24 | 湖南科技大学 | Force measurement and early warning device suitable for pre-stressed anchor rod |
| CN204002882U (en) * | 2014-06-13 | 2014-12-10 | 山东科技大学 | A kind of Multifunctional anchor rod |
| CN104329105A (en) * | 2014-09-24 | 2015-02-04 | 淮南市金德实业有限公司 | Color light storage type anchor rod plastic tray |
| CN104831724A (en) * | 2015-05-07 | 2015-08-12 | 重庆交通大学 | Large-deformation anchoring device |
| CN104846822A (en) * | 2015-05-07 | 2015-08-19 | 重庆交通大学 | Yielding anchor cable |
| CN204902820U (en) * | 2015-04-29 | 2015-12-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Monitoring devices is warp in tunnel convergence |
| CN105178313A (en) * | 2015-05-07 | 2015-12-23 | 重庆交通大学 | Yielding type anchor rod assembly |
| CN205370617U (en) * | 2016-02-01 | 2016-07-06 | 山东科技大学 | Warning stock is pressed to novel letting |
| CN205977278U (en) * | 2016-09-05 | 2017-02-22 | 湖南科技大学 | Judge device of tunnel stability |
| CN206129322U (en) * | 2016-11-07 | 2017-04-26 | 武汉科技大学 | Stock early warning device |
-
2017
- 2017-06-15 CN CN201710452402.9A patent/CN107083980B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB950552A (en) * | 1961-08-22 | 1964-02-26 | William George Burton Mcclean | Improvements in or relating to visual warning devices for indicating loss of tensionin bolts |
| US3137268A (en) * | 1962-05-23 | 1964-06-16 | Clive H Bramson | Warning device |
| CN101482023A (en) * | 2008-12-30 | 2009-07-15 | 卢泉生 | Novel tunnel anchor cable/rod support method |
| RU83517U1 (en) * | 2009-02-12 | 2009-06-10 | Алексей Генрихович Малинин | SOIL ANCHOR |
| RU99537U1 (en) * | 2009-07-28 | 2010-11-20 | Общество с ограниченной ответственностью "Монтажник Распадской" | Mining Anchorages |
| US20130115013A1 (en) * | 2010-06-10 | 2013-05-09 | Manchao He | Constant-resistance large-deformation anchor rod |
| CN102808634A (en) * | 2011-05-30 | 2012-12-05 | 安徽理工大学 | Hydraulic coupling anchor bolt |
| CN102536283A (en) * | 2012-02-24 | 2012-07-04 | 安徽理工大学 | Retractable constant force yielding anchor bolt for dynamical pressure soft rock lane |
| CN103422890A (en) * | 2013-07-26 | 2013-12-04 | 山东大学 | Novel anchor rod pulling resistance alarm and using method thereof |
| CN203847139U (en) * | 2014-05-28 | 2014-09-24 | 湖南科技大学 | Force measurement and early warning device suitable for pre-stressed anchor rod |
| CN204002882U (en) * | 2014-06-13 | 2014-12-10 | 山东科技大学 | A kind of Multifunctional anchor rod |
| CN104329105A (en) * | 2014-09-24 | 2015-02-04 | 淮南市金德实业有限公司 | Color light storage type anchor rod plastic tray |
| CN204902820U (en) * | 2015-04-29 | 2015-12-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Monitoring devices is warp in tunnel convergence |
| CN104831724A (en) * | 2015-05-07 | 2015-08-12 | 重庆交通大学 | Large-deformation anchoring device |
| CN104846822A (en) * | 2015-05-07 | 2015-08-19 | 重庆交通大学 | Yielding anchor cable |
| CN105178313A (en) * | 2015-05-07 | 2015-12-23 | 重庆交通大学 | Yielding type anchor rod assembly |
| CN205370617U (en) * | 2016-02-01 | 2016-07-06 | 山东科技大学 | Warning stock is pressed to novel letting |
| CN205977278U (en) * | 2016-09-05 | 2017-02-22 | 湖南科技大学 | Judge device of tunnel stability |
| CN206129322U (en) * | 2016-11-07 | 2017-04-26 | 武汉科技大学 | Stock early warning device |
Non-Patent Citations (1)
| Title |
|---|
| 王建文 等: "锚杆紧固力状态指示器研究及应用", 煤炭技术, vol. 35, no. 05, pages 263 - 264 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412526A (en) * | 2018-05-14 | 2018-08-17 | 重庆大学 | A kind of adaptive hierarchical early warning anchor pole |
| CN108412526B (en) * | 2018-05-14 | 2023-12-15 | 重庆大学 | Self-adaptive hierarchical early warning anchor rod |
| CN109458204A (en) * | 2018-09-21 | 2019-03-12 | 北方工业大学 | Anchor rod cable stress measuring device capable of giving out light and giving out early warning |
| CN109931086A (en) * | 2019-04-27 | 2019-06-25 | 代连朋 | A kind of accumulation of energy impact preventing anchor rod tray box |
| CN110715760A (en) * | 2019-10-30 | 2020-01-21 | 中铁隧道局集团有限公司 | Full-length bonding inclined anchor rod axial force monitoring device and experimental method |
| CN110715760B (en) * | 2019-10-30 | 2021-09-14 | 中铁隧道局集团有限公司 | Full-length bonding inclined anchor rod axial force monitoring device and experimental method |
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| Publication number | Publication date |
|---|---|
| CN107083980B (en) | 2023-06-30 |
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