CN105422130B - It is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock - Google Patents
It is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock Download PDFInfo
- Publication number
- CN105422130B CN105422130B CN201510983599.XA CN201510983599A CN105422130B CN 105422130 B CN105422130 B CN 105422130B CN 201510983599 A CN201510983599 A CN 201510983599A CN 105422130 B CN105422130 B CN 105422130B
- Authority
- CN
- China
- Prior art keywords
- pressure
- supporting
- allow
- rock
- surrounding rock
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/006—Lining anchored in the rock
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D21/0046—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts formed by a plurality of elements arranged longitudinally
Abstract
The present invention relates to underground engineering wall rock supporting field, more particularly to a kind of regulation supporting pressure carries out supporting roadway surrounding rock method, the process employs a kind of underground engineering roadway yield supporting system, hydraulic prop, pressure-relieving achor bar, mesh sheet, girder steel, pressure sensor, controller are pressed including allowing, mesh sheet is laid on roadway surrounding rock, and supporting roadway surrounding rock is carried out with pressure-relieving achor bar, girder steel is set up, by allowing pressure hydraulic vertical prop to carry out roof timbering；The pressure-relieving achor bar include anchorage head, one or more allow pressure connector, elastic cushion block, W-shaped steel band, backing plate, allow depressor and handle nut, it is described to allow pressure connector to save anchor bar bodies for connecting left and right two, it is a cavity body, the end that two section anchor bar bodies of connection are located in the cavity body is equipped with pistons stops, and spring is set between pistons stops and connector cavity body end；Can realize carrying out constant yield supporting according to actual geology surrouding rock stress situation by the implementation of the method, adjust support system situation, good " the allow branch " support system of formation is optimal constant yield supporting.
Description
The present invention is the divisional application of patent of invention " one kind regulation supporting pressure carries out supporting roadway surrounding rock method ", former Shen
The applying date please is on June 8th, 2014, and the application number of original application is 201410249114X, and the invention and created name of original application is
" one kind regulation supporting pressure carries out supporting roadway surrounding rock method ".
Technical field
The present invention relates to underground engineering wall rock supporting field, more particularly to a kind of regulation supporting pressure carries out roadway surrounding rock branch
Maintaining method.
Background technology
It is essential to supporting roadway surrounding rock in underground engineering fields such as mine, tunnels.Mine field, with opening
Adopting depth increasingly increases, and crustal stress is significantly increased, and roadway surrounding rock stress increases, and in deep tunnel, wall rock geology is presented soft rock,
Deformation in Soft Rock Tunnel is big, and roadway support difficulty is big.
For engineering structural system supportings such as large deformation underground engineering tunnel, tunnels, mainly there are passive protecting, active both at home and abroad
Three kinds of forms of supporting and combined supporting, are more preferably to carry out supporting to country rock of soft rock roadway, and it is this to give full play to self
Field basic supporting thought, suitably allows support system to discharge country rock part strain energy of distortion, forms the prop of " allow-" one
System, gives full play to self, while support system can suitably release energy, while strength supporting is provided again, but, mesh
Preceding yield supporting system of the prior art, otherwise it can not well reach constant operation resistance, otherwise constant operation resistance
Depending on this body structure of support system, it is impossible to be adjusted according to the actual wall rock geology situation in tunnel, often do not reach anticipation
Supporting-country rock one supporting effect.
The content of the invention
It is the problem for overcoming prior art to exist, carrying out tunnel present invention aim at a kind of regulation supporting pressure of offer encloses
Petrous branch maintaining method, employs a kind of underground engineering roadway yield supporting system, and the support system can be answered according to live country rock
Power situation is set carrying out constant " allow pressure " supporting, can adapt to different soft rock geology underground engineering wall rock supportings.
The present invention is achieved through the following technical solutions：
One kind regulation supporting pressure carries out supporting roadway surrounding rock method, using a kind of underground engineering roadway yield supporting system
Supporting is carried out to roadway surrounding rock, the support system include allow pressure hydraulic prop, pressure-relieving achor bar, mesh sheet, girder steel, pressure sensor,
Controller, the pressure-relieving achor bar include anchorage head, allow pressure connector, elastic cushion block, W-shaped steel band, backing plate, allow depressor and handle spiral shell
Mother, anchorage head is arranged on anchor pole end, for by anchor rod anchored, in rock mass, described allowing to press connector for connecting two sections of left and right
Anchor bar body, it is a cavity body, and the end that two section anchor bar bodies of connection are located in the cavity body is equipped with pistons stops, in piston
Spring is set between block and connector cavity body end；Controller has signal receiving module and data processing module；Regulation
It is as follows that pressure carries out supporting roadway surrounding rock step：
A, mesh sheet is laid on roadway surrounding rock, and supporting roadway surrounding rock is carried out with pressure-relieving achor bar, set up girder steel, by allowing pressure
Hydraulic vertical prop carries out roof timbering；
B, the live roadway support system to same geologic province carry out supporting pressure monitoring, to having reached stabilization support shape
The stable supporting pressure monitoring value in the multiple difference tunnel region under state carries out statistical analysis, determines the geologic province adjoining rock stability
Support pressure threshold；
C, it is located at rock mass outer wall one end in anchor pole and elastic cushion block, W-shaped steel band are set in mesh sheet successively, backing plate, allow depressor
With handle nut；When installing anchor pole, according to the pressure threshold level and suspension roof support length of step b, it is determined that allowing pressure connector
Number；
D, a pressure sensor is set on hydraulic prop, its support pressure for being used to detect hydraulic prop；
E, signal receiving module receive the data of pressure sensor detection, and data processing module prestores above-mentioned steps b
Be compared for the detection data of sensor and threshold value by identified pressure threshold, data processing module, when pressure sensor inspection
Not in stabilization support pressure threshold allowed band, controller will transmit signals to control hydraulic pressure system to the upright supports pressure for measuring
Unite with to allowing pressure hydraulic vertical prop to be pressurizeed or be depressured, so that pillar reaches stabilization support pressure threshold；
The screw thread of f, handle nut and anchor pole end coordinates, and regulation handle nut is adjusting suspension roof support pretightning force.
In step b, it is monitored using stress ga(u)ge.
It is described that depressor can is spring or allow pressure pipe.
After step f has been implemented, to prevent handle nut loosening pusher, one can be set in anchor pole rear end and fix pin.
Beneficial technique effect：
1）Employ controller to control to allow the pressure hydraulic vertical prop carry out supporting Stress control, the control is according to live country rock
Supporting pressure data when reaching stabilization supporting is adjusted column supporting power, can carry out perseverance with actual geology surrouding rock stress situation
Determine yield supporting, adjust support system situation, form good " allow-" support system, be optimal constant yield supporting；
2）Pressure-relieving achor bar employs one or more allows the use of pressure connector, connector how much can directly to adjust anchor pole
Allow pressure energy power；Anchor pole end employs handle nut simultaneously, the pretightning force of its adjustable anchor pole, adjusts yield supporting ability.
Brief description of the drawings
Fig. 1：Tunnel/tunnel support structure figure.
Fig. 2：Pressure-relieving achor bar structure chart.
Fig. 3：Allow pressure connector.
Fig. 4：Allow and press hydraulic vertical prop control system figure.
In figure：1. tunnel/tunnel, 2. pressure-relieving achor bar, 3. mesh sheet 4. allows pressure hydraulic prop, 5. girder steel, 6. anchorage head, 7.
Allow pressure connector, 8. elastic cushion block, 9.W shape steel bands, 10. backing plate, 11. allow depressor, 12. handle nuts, 13. pressure sensors,
14. controllers, 15. hydraulic systems.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but protection domain of the presently claimed invention not office
It is limited to the scope described by specific embodiment.
One kind regulation supporting pressure carries out supporting roadway surrounding rock method, using a kind of underground engineering roadway yield supporting system
Supporting is carried out to roadway surrounding rock, the support system includes allowing presses hydraulic prop 4, pressure-relieving achor bar 2, mesh sheet 3, girder steel 5, pressure sensing
Device 13, controller 14, lay mesh sheet 3 on the country rock of tunnel 1, and supporting roadway surrounding rock is carried out with pressure-relieving achor bar 2, set up girder steel 5,
By allowing pressure hydraulic vertical prop 4 to carry out roof timbering；During surrounding rock supporting, initial period allows presses hydraulic prop 4, pressure-relieving achor bar 2
Yield supporting is carried out to surrouding rock deformation, to give full play to the self-stable ability of country rock, is pressed onto to a certain degree when yield supporting system allows
When, country rock and support system interact and reach stable equilibrium's holding state, now allow pressure hydraulic prop 4, pressure-relieving achor bar 2 will not
Proceed to allow pressure, there is provided constant-resistance is supported, and support system reaches stabilization with country rock, and crustal stress is supported jointly.
The pressure-relieving achor bar 2 include anchorage head 6, one or more allow pressure connector 7, elastic cushion block 8, W-shaped steel band 9, pad
Plate 10, allow depressor 11 and handle nut 12, anchorage head 6 to be arranged on anchor pole end, for by anchor rod anchored in rock mass；Pressure is allowed to connect
Connect device 7 for connect left and right two save anchor bar bodies, it is a cavity body, the end of two section anchor bar bodies of connection in the cavity body
Pistons stops are equipped with, spring are set between pistons stops and the cavity body end of connector 7, when suspension roof support is in rock mass
When, connector 7 will allow the surrouding rock deformation in the range of to a certain degree to allow pressure；Rock mass outer wall one end is located at successively in mesh sheet in anchor pole
Elastic cushion block 8, W-shaped steel band 9, backing plate 10 is set on 3, depressor 11 and handle nut 12 is allowed, described to allow depressor 11 can be spring
Or allow pressure pipe, by the screw thread cooperation of handle nut 12 and anchor pole end, can adjust the pretightning force level of anchor pole, regulation anchor pole
Supporting power.
It is described to allow the pressure top braces of hydraulic prop 4 on girder steel 5, supporting is carried out to top board, set one on hydraulic prop 4
Pressure sensor 13, its support pressure for being used to detect hydraulic prop 4；Controller 14 has signal receiving module and data processing
Module, signal receiving module is used to receive the data of the detection of pressure sensor 13, and it is steady that data processing module is previously stored with column
Surely the pressure threshold scope of roadway surrounding rock is supported, be compared for the detection data of sensor 13 and threshold value by data processing module,
When the support of column 4 pressure that pressure sensor 13 is detected is not supported in the range of pressure threshold in stabilization, controller 14 will be launched
Signal control hydraulic system 15 pairs allows pressure hydraulic vertical prop 4 to be pressurizeed or be depressured, so that pillar 4 reaches stabilization support pressure threshold
Value.
The stabilization support pressure threshold is to carry out supporting pressure by the live roadway support system to same geologic province
Monitoring, the stable supporting pressure monitoring value to having reached the multiple difference tunnel region under stabilization holding state carries out statistical
Analysis, determines that the geologic province adjoining rock stability supports pressure threshold.
When yield supporting system and country rock reach stable equilibrium's holding state, pressure hydraulic vertical prop 4 is allowed to pass through controller 14
Control, makes a certain constant pressure value of its supporting Stress control in stabilization support pressure threshold, and staff is by anchor pole
The supporting power of anchor pole can be carried out pretension or loosened to be fixed to a supporting steady state value by handle nut 12, make whole yield supporting system
It is final to realize that constant-resistance is supported.
It is as follows that regulation pressure carries out supporting roadway surrounding rock step：
A, the laying mesh sheet 3 on the country rock of tunnel 1, and supporting roadway surrounding rock is carried out with pressure-relieving achor bar 2, girder steel (5) is set up, lead to
Cross allow pressure hydraulic vertical prop 4 carry out roof timbering；
B, the live roadway support system to same geologic province carry out supporting pressure monitoring, to having reached stabilization support shape
The stable supporting pressure monitoring value in the multiple difference tunnel region under state carries out statistical analysis, determines the geologic province adjoining rock stability
Support pressure threshold；
C, it is located at rock mass outer wall one end in anchor pole and elastic cushion block 8, W-shaped steel band 9 is set in mesh sheet 3 successively, backing plate 10, allows
Depressor 11 and handle nut 12；When installing anchor pole 2, according to the pressure threshold level and suspension roof support length of step b, it is determined that allowing
Press the number of connector 7；
D, a pressure sensor 13 is set on hydraulic prop 4, its support pressure for being used to detect hydraulic prop 4；
E, signal receiving module receive the data of the detection of pressure sensor 13, and data processing module prestores above-mentioned steps
Be compared for the detection data of sensor 13 and threshold value by pressure threshold determined by b, data processing module, works as pressure sensor
Not in stabilization support pressure threshold allowed band, controller 14 will transmit signals to control to 13 support of column 4 pressure for detecting
Hydraulic system processed 15 with to allowing pressure hydraulic vertical prop 4 to be pressurizeed or be depressured so that pillar 4 reaches stabilization support pressure threshold；
The screw thread of f, handle nut 12 and anchor pole end coordinates, and regulation handle nut 12 is adjusting suspension roof support pretightning force.
In described step b, it is monitored using stress ga(u)ge；After step f has been implemented, after preventing handle nut 12 from loosening
Push away, one can be set in anchor pole rear end and fix pin.
Embodiments of the present invention are explained in detail above in association with accompanying drawing, but the invention is not restricted to this, in affiliated skill
In the ken that the technical staff in art field possesses, various changes can also be made on the premise of present inventive concept is not departed from
Change, person of ordinary skill in the field from above-mentioned design, without performing creative labour, done a variety of conversion,
It is within the scope of the present invention.
Claims (1)
1. it is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock, using a kind of underground engineering roadway yield supporting system
Supporting is carried out to roadway surrounding rock, the support system include allow pressure hydraulic prop (4), pressure-relieving achor bar (2), mesh sheet (3), girder steel (5),
Pressure sensor (13), controller (14), the pressure-relieving achor bar（2）Including anchorage head（6）, allow pressure connector（7）, elastic cushion block
（8）, W-shaped steel band（9）, backing plate（10）, allow depressor (11) and handle nut (12), anchorage head (6) to be arranged on anchor pole end, be used for
By anchor rod anchored in rock mass, described to allow pressure connector (7) to save anchor bar body for connecting left and right two, it is a cavity body, connection
The end that is located in the cavity body of two section anchor bar bodies be equipped with pistons stops, in pistons stops and connector (7) cavity body end
Spring is set between portion；It is described to allow the depressor (11) to be spring or allow pressure pipe；Controller (14) is with signal receiving module sum
According to processing module；It is as follows that regulation pressure carries out supporting roadway surrounding rock step：
A, laying mesh sheet (3) on tunnel (1) country rock, and supporting roadway surrounding rock is carried out with pressure-relieving achor bar (2), girder steel (5) is set up,
By allowing pressure hydraulic prop (4) to carry out roof timbering；
B, the live roadway support system to same geologic province carry out supporting pressure monitoring, to having reached under stabilization holding state
The stable supporting pressure monitoring value in multiple difference tunnel regions carry out statistical analysis, determine that the geologic province adjoining rock stability is supported
Pressure threshold；
C, anchor pole be located at rock mass outer wall one end successively in mesh sheet (3) set elastic cushion block (8), W-shaped steel band (9), backing plate
(10) depressor (11) and handle nut (12), are allowed；When installing pressure-relieving achor bar (2), according to the pressure threshold level and anchor of step b
Bar supporting length, it is determined that allow pressure connector (7) number；
D, a pressure sensor (13) is set allowing in pressure hydraulic prop (4), it is used for detection allows the support of pressure hydraulic prop (4)
Pressure；
E, signal receiving module receive the data of pressure sensor (13) detection, and data processing module prestores above-mentioned steps b
With threshold value be compared the detection data of pressure sensor (13) by identified pressure threshold, data processing module, works as pressure
What sensor (13) was detected allows pressure hydraulic prop (4) support pressure not in stabilization support pressure threshold allowed band, control
Device (14) will transmit signals to control hydraulic system (15) with to allowing pressure hydraulic prop (4) to be pressurizeed or be depressured, so as to allow
Pressure hydraulic prop (4) reaches stabilization support pressure threshold；
The screw thread of f, handle nut (12) and anchor pole end coordinates, and regulation handle nut (12) is adjusting suspension roof support pretightning force；
After step f has been implemented, to prevent handle nut (12) from loosening pusher, one can be set in anchor pole rear end and fix pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983599.XA CN105422130B (en) | 2014-06-08 | 2014-06-08 | It is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983599.XA CN105422130B (en) | 2014-06-08 | 2014-06-08 | It is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock |
| CN201410249114.XA CN104005774B (en) | 2014-06-08 | 2014-06-08 | A kind of supporting pressure that regulates carries out supporting roadway surrounding rock method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410249114.XA Division CN104005774B (en) | 2014-06-08 | 2014-06-08 | A kind of supporting pressure that regulates carries out supporting roadway surrounding rock method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422130A CN105422130A (en) | 2016-03-23 |
| CN105422130B true CN105422130B (en) | 2017-06-13 |
Family
ID=51366646
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410249114.XA Active CN104005774B (en) | 2014-06-08 | 2014-06-08 | A kind of supporting pressure that regulates carries out supporting roadway surrounding rock method |
| CN201510983599.XA Active CN105422130B (en) | 2014-06-08 | 2014-06-08 | It is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410249114.XA Active CN104005774B (en) | 2014-06-08 | 2014-06-08 | A kind of supporting pressure that regulates carries out supporting roadway surrounding rock method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104005774B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804768A (en) * | 2016-03-25 | 2016-07-27 | 山东大学 | Method for preventing vault surrounding rock collapse through joint supporting of steel arch and steel pieces during tunnel excavation |
| CN105862107B (en) * | 2016-05-26 | 2018-01-23 | 浙江工业大学 | The method that composite biological coating is prepared on magnesium alloy differential arc oxidation coating |
| CN107100652B (en) * | 2017-05-19 | 2023-11-17 | 中国矿业大学(北京) | Flexible impact-resistant supporting method and device |
| GB2576171A (en) | 2018-08-07 | 2020-02-12 | Caterpillar Global Mining Gmbh | Self-advancing roof support for a longwall mining system |
| CN110578538B (en) * | 2019-09-26 | 2020-11-06 | 东北大学 | Prestressed flexible anti-seismic pillar for stope support and erection method thereof |
| CN114017078B (en) * | 2021-10-13 | 2023-02-28 | 煤炭科学研究总院有限公司 | Control method and device for unmanned full-automatic self-adaptive installation of roadway support |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594773A (en) * | 1968-11-12 | 1971-07-20 | Ellsworth V Conkle | Mine roof gauge and indicator |
| CN200996296Y (en) * | 2007-01-11 | 2007-12-26 | 中国矿业大学 | High-strength decompressing slip-casting rockbolt |
| CN202325548U (en) * | 2011-11-30 | 2012-07-11 | 西安科技大学 | Secondary yielding uniform pressure supporting structure of roadway surrounding rock under high ground stress |
| CN202441402U (en) * | 2012-02-24 | 2012-09-19 | 安徽理工大学 | Telescopic constant force yield anchor bolt for dynamic pressure soft rock roadway |
| CN202882943U (en) * | 2012-10-18 | 2013-04-17 | 山东大学 | Yielding type restrained concrete arc frame high-strength three-dimensional supporting and protecting system |
| CN103075165A (en) * | 2013-01-10 | 2013-05-01 | 中国矿业大学(北京) | Composite supporting method of vertical beam of coal road |
| CN203420723U (en) * | 2013-08-25 | 2014-02-05 | 西安科技大学 | High ground stress surrounding rock anchor bolt pressure transferring device |
| CN103670465A (en) * | 2013-12-12 | 2014-03-26 | 青海省能源发展（集团）有限责任公司 | Supporting frame of roadway surrounding rock |
| CN103670470B (en) * | 2013-12-31 | 2015-07-15 | 大同煤矿集团有限责任公司 | Full coal roadway safe and speedy drivage supporting method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587941A (en) * | 2012-04-10 | 2012-07-18 | 重庆友诚自动化工程技术有限公司 | Mining hydraulic support monitoring system and mining hydraulic support monitoring method |
| CN103835732A (en) * | 2012-11-21 | 2014-06-04 | 西安众智惠泽光电科技有限公司 | Supporting force automatically adjusting type hydraulic supporting monitoring system for tunnel roof |
| CN103590844A (en) * | 2013-11-13 | 2014-02-19 | 煤炭工业济南设计研究院有限公司 | High pre-stressing force pressure yielding and equalizing coupling anchorage device for soft rock supporting |
| CN103696788B (en) * | 2013-12-17 | 2016-04-27 | 中国神华能源股份有限公司 | The construction method in empty lane support apparatus and fully-mechanized mining working Guo Kong lane |
| CN106089269B (en) * | 2014-06-08 | 2018-05-01 | 衢州市优德工业设计有限公司 | A kind of system of underground engineering roadway yield supporting |
| CN203867593U (en) * | 2014-06-08 | 2014-10-08 | 衢州市优德工业设计有限公司 | Underground construction roadway pressure yielding supporting system |
-
2014
- 2014-06-08 CN CN201410249114.XA patent/CN104005774B/en active Active
- 2014-06-08 CN CN201510983599.XA patent/CN105422130B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594773A (en) * | 1968-11-12 | 1971-07-20 | Ellsworth V Conkle | Mine roof gauge and indicator |
| CN200996296Y (en) * | 2007-01-11 | 2007-12-26 | 中国矿业大学 | High-strength decompressing slip-casting rockbolt |
| CN202325548U (en) * | 2011-11-30 | 2012-07-11 | 西安科技大学 | Secondary yielding uniform pressure supporting structure of roadway surrounding rock under high ground stress |
| CN202441402U (en) * | 2012-02-24 | 2012-09-19 | 安徽理工大学 | Telescopic constant force yield anchor bolt for dynamic pressure soft rock roadway |
| CN202882943U (en) * | 2012-10-18 | 2013-04-17 | 山东大学 | Yielding type restrained concrete arc frame high-strength three-dimensional supporting and protecting system |
| CN103075165A (en) * | 2013-01-10 | 2013-05-01 | 中国矿业大学(北京) | Composite supporting method of vertical beam of coal road |
| CN203420723U (en) * | 2013-08-25 | 2014-02-05 | 西安科技大学 | High ground stress surrounding rock anchor bolt pressure transferring device |
| CN103670465A (en) * | 2013-12-12 | 2014-03-26 | 青海省能源发展（集团）有限责任公司 | Supporting frame of roadway surrounding rock |
| CN103670470B (en) * | 2013-12-31 | 2015-07-15 | 大同煤矿集团有限责任公司 | Full coal roadway safe and speedy drivage supporting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104005774B (en) | 2016-02-10 |
| CN104005774A (en) | 2014-08-27 |
| CN105422130A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105422130B (en) | It is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock | |
| CN103982206B (en) | A kind of underground engineering roadway yield supporting system | |
| CN103643977A (en) | Full-anchor partition pressure transferring grouting anchor rod and application method thereof | |
| CN103278384B (en) | Testing device and measuring method for anchorage performance of coal and rock mass in coal mine tunnel | |
| CN107620260B (en) | A kind of Arch Bridge Construction cable crane pylon displacement control system and application method | |
| CN103344495B (en) | Rigid bearing plate center pit method servocontrol deep rock-mass deformation test unit and method thereof | |
| CN104100281A (en) | Mining multilevel pressure-relief anti-scouring support device, support system and use methods thereof | |
| KR20150047289A (en) | a tests system for tunnel behavior by displacement sensor | |
| CN206308693U (en) | A kind of anchor pole of stress of testing oneself | |
| CN213296378U (en) | Novel steel shotcrete prestressing force is applyed device | |
| CN203867593U (en) | Underground construction roadway pressure yielding supporting system | |
| CN203867599U (en) | Underground construction roadway pressure yielding anchor rod | |
| CN103033304A (en) | Steel spring and tension sensor based dangerous rock collapse detection device and steel spring and tension sensor based dangerous rock collapse detection method | |
| CN106836322A (en) | A kind of test device and its operating method of the experiment of screw anchor vertically pulling-resistant | |
| CN103147402B (en) | For bracing or strutting arrangement and the height regulation method of continuous box girder bridge construction | |
| CN207231717U (en) | Heavy caliber high pressure natural gas line physical explosion impact wave measurement system | |
| CN111058864A (en) | Tunnel vault lining rear cavity high-pressure grouting auxiliary device | |
| CN103498690B (en) | A kind of two anchor cable combined locking devices and methods therefor | |
| CN105369837A (en) | Device special for high strain test of foundation pile | |
| CN106906824B (en) | Distributed optical fiber prestress intelligent monitoring anchor cable | |
| CN105003250A (en) | Device and method for monitoring pressure-relief borehole deformation of coal and rock strata | |
| CN205804437U (en) | A kind of dystopy that synchronizes blocks lifting inclination-correcting device | |
| CN204228667U (en) | A kind of calibrate AE sensor pushing tow coupling device | |
| CN210509246U (en) | Special prestressing force applying device of intelligent full length anchor rope that glues | |
| CN212296444U (en) | Let pressure stock suitable for soft rock large deformation underground space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191120 Address after: 313000 1-C, building 1, No. 656, Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Huzhou xinbeilian Network Technology Co., Ltd Address before: 324000 Zhejiang city of Quzhou province Quzhou green industrial agglomeration New Street Dong Geng Cun District Kecheng District No. 19 Room 101 Patentee before: Quzhou City You De industrial design Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191204 Address after: 314406 No.187, Qingwan Road, Xieqiao Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Haining Luoxi Industrial Development Co., Ltd Address before: 313000 1-C, building 1, No. 656, Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province Patentee before: Huzhou xinbeilian Network Technology Co., Ltd |