CN107489440A - Tunnel low-angle lift canopy and hacking shed tunnel low-angle lift canopy method - Google Patents
Tunnel low-angle lift canopy and hacking shed tunnel low-angle lift canopy method Download PDFInfo
- Publication number
- CN107489440A CN107489440A CN201710686204.9A CN201710686204A CN107489440A CN 107489440 A CN107489440 A CN 107489440A CN 201710686204 A CN201710686204 A CN 201710686204A CN 107489440 A CN107489440 A CN 107489440A
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- Prior art keywords
- curb girder
- tunnel
- angle
- onstructed
- fixed
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- 238000000034 method Methods 0.000 title claims description 8
- 230000001154 acute effect Effects 0.000 claims abstract description 13
- 239000002352 surface water Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000005476 soldering Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses tunnel low-angle to lift canopy, rack body including being located at anchor cable system bottom, the rack body is included to support the back timber at the top of tunnel, sidepiece of the back timber in smooth tunnel is provided with the first horizontal curb girder, wherein, back timber is being provided with second curb girder at an acute angle with surface water horizontal line close to the side in tunnel to be onstructed, and the first curb girder is directly provided with the slotting beam vertical with the first curb girder with the second curb girder, and the bottom of the back timber is provided with the supporting part for bearing top pressure；Using the technical program, soldering angle is suitably adjusted according to door angle is dialled in the curb girder close to access adit to be onstructed, lift canopy length is reduced compared with limits, improve the usage safety performance of lift canopy, and the utilization rate of section at three-switch door is improved, tunnel working space is added, improves operating efficiency.
Description
Technical field
The invention belongs to colliery field, it is more particularly related to tunnel low-angle lift canopy and the small angle of hacking shed tunnel
Degree lift canopy method.
Background technology
During coal mining, when hacking shed tunnel low-angle helps lift canopy, often because two tunnel angles are smaller, it is difficult to really
Drift section is protected, is unfavorable for follow-up work and carries out, to ensure enough drift sections, causes lift capplce longer, not only constructs
Difficulty is big, and later stage lift canopy is yielding, larger potential safety hazard be present, is unfavorable for keeping the safety in production.
The content of the invention
The technical problems to be solved by the invention, which are to provide, ensures enough drift sections, tunnel low-angle lift canopy and frame canopy
Tunnel low-angle lift canopy method.
To achieve these goals, the technical scheme taken of the present invention is：Tunnel low-angle lift canopy, including it is located at anchor cable system
The rack body of system bottom, the rack body are included to support the back timber at the top of tunnel, and the back timber is in smooth tunnel
Sidepiece is provided with the first horizontal curb girder, and horizontal gird is fixed in tunnel side wall, wherein, back timber is close to the one of tunnel to be onstructed
Side is provided with second curb girder at an acute angle with surface water horizontal line, second curb girder along roadway direction to be onstructed and with tunnel to be onstructed
It is close to set at the top of mouthful, first curb girder is directly provided with the slotting beam vertical with the first curb girder with the second curb girder, the back timber
Bottom is provided with the supporting part for bearing top pressure.
Tunnel low-angle disclosed by the invention lifts canopy, and second curb girder is according to the driving angle in tunnel to be onstructed and ground
Horizontal line setting at an acute angle, the slotting beam form corresponding soldering angle according to the angle of inclination of the second curb girder.
Tunnel low-angle disclosed by the invention lifts canopy, and the supporting part includes column, and the back timber passes through column and tunnel
Bottom is connected, and the position that the first curb girder is connected with slotting beam is provided with fixed part, and the top in column is connected with fixed part.
Tunnel low-angle disclosed by the invention lifts canopy, and the fixed part includes pad, and the pad is fixed in the first curb girder
With the bottom of slotting beam connected position, it is connected respectively by fixing bolt between pad and the first curb girder and slotting beam.
Tunnel low-angle disclosed by the invention lifts canopy, and the second curb girder end is fixed in the both sides in tunnel to be onstructed, the
Two curb girder sections be with the setting at an acute angle of surface water horizontal line, the acute angle be 30 °~40 °.
Hacking shed tunnel low-angle disclosed by the invention lifts canopy method, comprises the following steps：
1) netted anchor cable is first laid on to side wall and the top in tunnel, then passed through with by the pad for being uniformly distributed in anchor cable net
Fixing bolt is anchored on tunnel inwall；
2) the deep needlings of 30cm~40cm are dug in tunnel bottom, then column are put into needling vertically, by the soil of surrounding with
Column, which is fixed, to be beaten in fact, rivet is knocked in the fixed via of column bottom；
3) the first curb girder is lifted to by position corresponding to the top of tunnel by hydraulic jack, then bottom fastening will have been completed
Mutually fixed by bolt between column and the first curb girder；
5) the second curb girder is postponed the section direction of access adit to be onstructed, the second curb girder both ends is fixed in drift section
Side wall, the second curb girder is according to the driving angle of access adit to be onstructed along axis rotating avoiding；
6) again by slotting roof beam structure between the first curb girder and the second curb girder, the both ends of slotting beam are fixed in the first side by welding
The beam groove rim surface of beam and the second curb girder.
Using the technical program, according to the spacing of diverse location between the first curb girder and the second curb girder, slotting beam length is pressed
Trapezoidal increase, the loss of material is farthest reduced, so as to improve stock utilization, close to the curb girder of access adit to be onstructed
Soldering angle is suitably adjusted according to door angle is dialled, compared with the safety in utilization for reducing lift canopy length, improving lift canopy of limits
Can, and the utilization rate of section at three-switch door is improved, tunnel working space is added, early stage is provided for follow-up exploitation work
Place mat, improve operating efficiency.
Below with reference to drawings and examples, the present invention is described in detail.
Brief description of the drawings
The content expressed by each width accompanying drawing of this specification and the mark in figure are briefly described below：
Fig. 1 is the schematic diagram that tunnel low-angle of the present invention lifts canopy；
Fig. 2 is the sectional view for the curb girder that tunnel low-angle of the present invention lifts canopy.
In figure mark for：1st, smooth tunnel；2nd, tunnel to be onstructed；3rd, the first curb girder；4th, the second curb girder；5th, beam is inserted.
Embodiment
Below against accompanying drawing, by the description to embodiment, each structure for example involved to the embodiment of the present invention
Mutual alignment and annexation, the effect of each several part and operation principle, manufacturing process between the shape of part, construction, each several part
And operate with method etc., be described in further detail, with help those skilled in the art to the present invention inventive concept,
Technical scheme has more complete, accurate and deep understanding.
Fig. 1 is the schematic diagram that tunnel low-angle of the present invention lifts canopy, and Fig. 2 is cuing open for the curb girder that tunnel low-angle of the present invention lifts canopy
View, tunnel low-angle as depicted lifts canopy, including is located at the rack body of anchor cable system bottom, rack body include to
The back timber at the top of tunnel is supported, sidepiece of the back timber in smooth tunnel 1 is provided with the first horizontal curb girder 3, and horizontal gird is fixed in lane
Road side wall, wherein, back timber is provided with second curb girder 4 at an acute angle with surface water horizontal line in the side close to tunnel to be onstructed, the
For two curb girders 4 along roadway direction to be onstructed and with being close to set at the top of access adit to be onstructed, the first curb girder 3 and the second curb girder 4 are direct
Provided with the slotting beam 5 vertical with the first curb girder 3, the bottom of back timber is provided with the supporting part for bearing top pressure, and the second curb girder 3 is according to treating
The driving angle of construction tunnel 2 and the setting at an acute angle of surface water horizontal line, insert beam 5 and phase is formed according to the angle of inclination of the second curb girder 3
Corresponding soldering angle, supporting part include column, and back timber is connected by column with tunnel bottom, and the first curb girder 3 is connected with slotting beam
Position be provided with fixed part, the top in column is connected with fixed part, and fixed part includes pad, and pad is fixed in the first curb girder 3
With the bottom of the slotting connected position of beam 5, it is connected respectively by fixing bolt between pad and the first curb girder 3 and slotting beam 5, the second curb girder
4 ends are fixed in the both sides in tunnel 2 to be onstructed, and the section of the second curb girder 4 is to be with the setting at an acute angle of surface water horizontal line, the acute angle
30 °~40 °；Second curb girder 4 is according to the driving angle in tunnel 2 to be onstructed, accordingly along the horizontal angle of the second curb girder of axis trimming 4
Degree, then in the column that the frame of the second curb girder 4 has been buried in tunnel, is fastened the second curb girder 4 by bolt, then by slotting beam 5
It is fixed by welding between the first curb girder 3 and the second curb girder 4.
Hacking shed tunnel low-angle disclosed by the invention lifts canopy method, comprises the following steps：
1) netted anchor cable is first laid on to side wall and the top in tunnel, then passed through with by the pad for being uniformly distributed in anchor cable net
Fixing bolt is anchored on tunnel inwall；
2) the deep needlings of 30cm~40cm are dug in tunnel bottom, then column are put into needling vertically, by the soil of surrounding with
Column, which is fixed, to be beaten in fact, rivet is knocked in the fixed via of column bottom；
3) the first curb girder 3 is lifted to by position corresponding to the top of tunnel by hydraulic jack, then bottom fastening will have been completed
Column and the first curb girder 3 between mutually fixed by bolt；
5) the second curb girder 4 is postponed the section direction of access adit to be onstructed, the both ends of the second curb girder 4 is fixed in drift section
Side wall, the second curb girder 4 is according to the driving angle of access adit 2 to be onstructed along axis rotating avoiding；
6) again by slotting roof beam structure between the first curb girder 3 and the second curb girder 4, the both ends of slotting beam are fixed in first by welding
The beam groove rim surface of the curb girder 4 of curb girder 3 and second.
Using the technical program, according to the spacing of diverse location between the first curb girder 3 and the second curb girder 4, by slotting beam length
By trapezoidal increase, the loss of material is farthest reduced, so as to improve stock utilization, close to the side of access adit to be onstructed
Beam suitably adjusts soldering angle according to door angle is dialled, and reduces lift canopy length compared with limits, improves the safe to use of lift canopy
Performance, and the utilization rate of section at three-switch door is improved, tunnel working space is added, before being provided for follow-up exploitation work
The place mat of phase, improve operating efficiency.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing
Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.
Claims (6)
1. tunnel low-angle lifts canopy, it is characterised in that：Rack body including being located at anchor cable system bottom, the rack body bag
Include to support the back timber at the top of tunnel, sidepiece of the back timber in smooth tunnel is provided with the first horizontal curb girder, horizontal gird
Tunnel side wall is fixed in, wherein, back timber is being provided with second at an acute angle with surface water horizontal line close to the side in tunnel to be onstructed
Curb girder, second curb girder along roadway direction to be onstructed and with access adit to be onstructed at the top of be close to set, first curb girder with
Second curb girder is directly provided with the slotting beam vertical with the first curb girder, and the bottom of the back timber is provided with the supporting part for bearing top pressure.
2. according to the tunnel low-angle lift canopy described in claim 1, it is characterised in that：Second curb girder is according to tunnel to be onstructed
Driving angle and the setting at an acute angle of surface water horizontal line, the slotting beam forms corresponding weldering according to the angle of inclination of the second curb girder
Connect angle.
3. according to the tunnel low-angle lift canopy described in claim 1, it is characterised in that：The supporting part includes column, the top
Beam is connected by column with tunnel bottom, and the position that the first curb girder is connected with slotting beam is provided with fixed part, the top in column with it is solid
Determine portion to be connected.
4. according to the tunnel low-angle lift canopy described in claim 3, it is characterised in that：The fixed part includes pad, the pad
Piece is fixed in the bottom of the first curb girder and slotting beam connected position, passes through fixing bolt respectively between pad and the first curb girder and slotting beam
It is connected.
5. according to the tunnel low-angle lift canopy described in claim 1, it is characterised in that：The second curb girder end, which is fixed in, waits to apply
The both sides in work tunnel, the second curb girder section be with the setting at an acute angle of surface water horizontal line, the acute angle be 30 °~40 °.
6. lift canopy method according to the hacking shed tunnel low-angle described in Claims 1 to 5, it is characterised in that：Comprise the following steps：
1) netted anchor cable is first laid on to side wall and the top in tunnel, then passes through fixation with by the pad for being uniformly distributed in anchor cable net
Bolt is anchored on tunnel inwall；
2) the deep needlings of 30cm~40cm are dug in tunnel bottom, then column is put into needling vertically, by the soil and column of surrounding
It is fixed to beat in fact, rivet is knocked in the fixed via of column bottom；
3) the first curb girder is lifted to by position corresponding to the top of tunnel by hydraulic jack, then the column of bottom fastening will have been completed
Mutually fixed by bolt between the first curb girder；
5) the second curb girder is postponed the section direction of access adit to be onstructed, the second curb girder both ends is fixed in the side of drift section
Wall, the second curb girder is according to the driving angle of access adit to be onstructed along axis rotating avoiding；
6) again by slotting roof beam structure between the first curb girder and the second curb girder, by welding by the both ends of slotting beam be fixed in the first curb girder and
The beam groove rim surface of second curb girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686204.9A CN107489440B (en) | 2017-08-11 | 2017-08-11 | Small-angle shed lifting method for roadway and small-angle shed lifting method for shed roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686204.9A CN107489440B (en) | 2017-08-11 | 2017-08-11 | Small-angle shed lifting method for roadway and small-angle shed lifting method for shed roadway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107489440A true CN107489440A (en) | 2017-12-19 |
| CN107489440B CN107489440B (en) | 2023-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710686204.9A Active CN107489440B (en) | 2017-08-11 | 2017-08-11 | Small-angle shed lifting method for roadway and small-angle shed lifting method for shed roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107489440B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612533A (en) * | 2018-05-04 | 2018-10-02 | 淮南矿业(集团)有限责任公司 | Dial the construction method in gate segment tunnel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH377758A (en) * | 1958-07-15 | 1964-05-31 | Bochumer Eisen Heintzmann | Auxiliary support for drifting, especially in underground mining |
| SU1606707A1 (en) * | 1988-04-18 | 1990-11-15 | Подмосковный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Entry-driving support |
| RU2185514C1 (en) * | 2001-02-14 | 2002-07-20 | Открытое акционерное общество по добыче угля "Воркутауголь" | Powered mining complex |
| US20070046094A1 (en) * | 2005-08-24 | 2007-03-01 | Peter Gross | Method for pillar recovery in chamber-and-pillar working and tubbing unit for pillar recovery |
| CN202055821U (en) * | 2011-04-25 | 2011-11-30 | 马晓山 | Two-arm top slope anchor rod and anchor rope construction drill wagon with movable lifting platform |
| CN103422850A (en) * | 2012-01-30 | 2013-12-04 | 哈尼施费格尔技术公司 | System and method for remote monitoring of drilling equipment |
| CN104141504A (en) * | 2014-07-14 | 2014-11-12 | 霍忠明 | Arch-cross-section roadway tunneling support device |
| CN207245741U (en) * | 2017-08-11 | 2018-04-17 | 淮北矿业（集团）有限责任公司 | Tunnel low-angle lift canopy |
-
2017
- 2017-08-11 CN CN201710686204.9A patent/CN107489440B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH377758A (en) * | 1958-07-15 | 1964-05-31 | Bochumer Eisen Heintzmann | Auxiliary support for drifting, especially in underground mining |
| SU1606707A1 (en) * | 1988-04-18 | 1990-11-15 | Подмосковный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Entry-driving support |
| RU2185514C1 (en) * | 2001-02-14 | 2002-07-20 | Открытое акционерное общество по добыче угля "Воркутауголь" | Powered mining complex |
| US20070046094A1 (en) * | 2005-08-24 | 2007-03-01 | Peter Gross | Method for pillar recovery in chamber-and-pillar working and tubbing unit for pillar recovery |
| CN202055821U (en) * | 2011-04-25 | 2011-11-30 | 马晓山 | Two-arm top slope anchor rod and anchor rope construction drill wagon with movable lifting platform |
| CN103422850A (en) * | 2012-01-30 | 2013-12-04 | 哈尼施费格尔技术公司 | System and method for remote monitoring of drilling equipment |
| CN104141504A (en) * | 2014-07-14 | 2014-11-12 | 霍忠明 | Arch-cross-section roadway tunneling support device |
| CN207245741U (en) * | 2017-08-11 | 2018-04-17 | 淮北矿业（集团）有限责任公司 | Tunnel low-angle lift canopy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612533A (en) * | 2018-05-04 | 2018-10-02 | 淮南矿业(集团)有限责任公司 | Dial the construction method in gate segment tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107489440B (en) | 2023-08-15 |
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Effective date of registration: 20230721 Address after: No.276, Renmin Middle Road, Xiangshan District, Huaibei City, Anhui Province Applicant after: HUAIBEI MINING INDUSTRY Co.,Ltd. Address before: 235000 No. 276 Renmin Zhong Road, Huaibei City, Anhui Province Applicant before: HUAIBEI MINING (GROUP) Co.,Ltd. |
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