CN108150206A - A kind of method by fully-mechanized mining working crossheading caving place - Google Patents
A kind of method by fully-mechanized mining working crossheading caving place Download PDFInfo
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- CN108150206A CN108150206A CN201711140571.5A CN201711140571A CN108150206A CN 108150206 A CN108150206 A CN 108150206A CN 201711140571 A CN201711140571 A CN 201711140571A CN 108150206 A CN108150206 A CN 108150206A
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- caving place
- caving
- place
- capplce
- fully
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- 238000005065 mining Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 239000000178 monomer Substances 0.000 claims abstract description 14
- 239000002023 wood Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 235000017375 Brosimum guianense Nutrition 0.000 abstract description 4
- 241000985650 Brosimum guianense Species 0.000 abstract description 4
- 238000004080 punching Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
- E21D19/02—Provisional protective covers for working space for use in longwall working
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The present invention relates to a kind of methods by fully-mechanized mining working crossheading caving place, take the construction method of the anchor cable cooperation I-steel combination lumps of wood, make to be integrated into a whole in caving place domain space, form a false top, then on the coal wall before and after caving place on the coal wall of 3m positions and below caving place injection Ma Lisan hardening coal wall is punched along roadway direction, at head lane is away from caving place 20m, tail lane is away from caving place 30m and caving place lower section by 3/row hydraulic prop supporting, lift canopy is set up below capplce, all hydraulic monomer is with face advance with adopting with shifting, hydraulic single column is withdrawn when frame front-axle beam chooses lift canopy I-steel when ends, until passing through caving place；Top " well " letterwood pile can be stablized by setting up I-steel lift canopy, will not cause collapse of setting when moving frame, the method for the present invention allows working face to prevent face end support from toppling over so as to fulfill the highly efficient and productive of fully-mechanized mining working quickly through caving place.
Description
Technical field
The present invention relates to coal-mining technique fields, and in particular to a kind of method by fully-mechanized mining working crossheading caving place.
Background technology
Refer to and tunneling into during lane, due to complex geologic conditions, reference lamina annihilates, lacks and higher slice ocurrence of coal seam
It is unstable to cause to wear layer driving during pick lane, cause to form caving place at working face, emit Gao Gaoduda 3-5m.Coal mine roadway is being dug
Into in Bracing Process, by geological conditions and mining influence, it is commonly encountered such caving place, caving place width, length and emits drop height
Degree is usually different, and there is no complete inbreaks be compacted for these region top plates, and tunnel can not be directly from the spoil of inbreak lower section
It passes through, if dealing with improperly, cannot be ensured safely when not only influencing coal mine excavation and take over, and constructing.
Invention content
The present invention influences coal mine excavation for solution caving place and unsafe technical problem of constructing when passing through caving place, carries
For a kind of method by fully-mechanized mining working crossheading caving place.
In order to solve the above technical problems, the technical solution adopted in the present invention is：One kind passes through fully-mechanized mining working crossheading height
The method in area is emitted, is included the following steps：
A. Man-made False is set up in caving place domain in advance, during construction, according to the section width in tunnel and caving place length, to height
It emits region and arranges two row's anchor cables by laneway midline；Suspend H shaped steel shack on anchor cable in midair, frame canopy rear lane is 2.5 meters high, capplce top side
Wood carries out brake top by " well " font, and the capplce length is consistent with span length；
B. after brake topmast shield, along tunnel on the coal wall before and after caving place on the coal wall of 3m positions and below caving place
Injection Ma Lisan hardening coal wall is punched in direction every 5m, and each hole injection Ma Lisan quantity stops until Ma Lisan overflows coal wall
Injection；
C. advance support, head lane away from caving place 20m, tail lane is away from pressing 3/drain at caving place 30m and below caving place
Monomer column supporting is pressed, row's hydraulic single column is added in head lane along center line in roadway, and all hydraulic monomer column branch is located at below capplce,
And it is fixed with galvanized wire and capplce；
D. lift canopy is set up below capplce, lifts one of canopy along entering above hydraulic support forestope, other end hydraulic single column branch
Support, when draw move face end support when, using lift canopy by capplce along enter stent above；
E. all hydraulic monomer column withdraws hydraulic pressure with face advance with adopting with shifting when frame front-axle beam chooses lift canopy I-steel when ends
Monomer column, until passing through caving place.
Anchor beam supporting is the Theoretical Design according to combination beam, when constructing in caving place domain, anchor cable is taken to coordinate I-steel
With reference to the construction method of the lumps of wood, make to be integrated into a whole in caving place domain space, form a combined type vacation top, it is fast to ensure
Speed by and safety in production.
In step b, it is 1-1.2 meters in the vertical height position of coal wall injection Ma Lisan, is punched along roadway direction every 5m,
The angle of punching is 60 degree straight up, and the mode jumped and noted is taken to fill when injecting Ma Lisan, i.e., primary every a hole filling.
After brake topmast shield, injection Ma Lisan hardening coal wall is punched every 5m in 3m positions preceding below caving place, is prevented
During working face extraction to caving place, top top coal slump, punching depth is 6m, and the mode jumped and noted is taken to add when injecting Ma Lisan
Note injects two holes by maintenance crew daily, and each hole injection Ma Lisan quantity stops injection until Ma Lisan overflows coal wall,
Injection Ma Lisan is asked to protect full, it is impossible to leakage note, few note.
Lead to set cap and frame front overhang across falling the crack to be formed for goaf top plate after frame was moved during preventing caving place
Ring rope failure causes grillage across falling, and sets up lift canopy in advance below capplce, lifts one of canopy along entering above branch frame stretch-forward beam, separately
One is supported with hydraulic single column, when draw move face end support when, using canopy is lifted by capplce along entering above stent, while set up lift canopy
Capplce can be made to form entirety, uniform force, the balance of " well " letterwood pile will not be destroyed because moving frame, so as to which failure of cable be caused to cause
Grillage before frame and after frame achievees the effect that quickly to push to adopt across falling.
Compared with prior art the invention has the advantages that：
Supporting is carried out with " well " letterwood pile combination anchor beam in caving place in advance, every frame capplce length is consistent with span length, can be with
Prevent stent during liter face end support from helping to break away to coal column.It stops in advance and pushes up the strong management for controlling back sky top.Using
The mode of jump note injects Ma Lisan can make coal wall uniform absorption to greatest extent, other Kong Yi will not be followed while injecting
Go out, reach really effective injection.Top " well " letterwood pile can be stablized by setting up I-steel lift canopy, will not be caused down when moving frame
Pile, in frame rear profile into cavity, so as to cause stent during liter frame cannot effective controlroof, goaf is cut baseline Forward, will be adopted
It floats cash and pours in down a chimney into working face in dead zone.The present invention by the method for fully-mechanized mining working crossheading caving place allow working face quickly through
Caving place prevents face end support from toppling over so as to fulfill the highly efficient and productive of fully-mechanized mining working.
Description of the drawings
Fig. 1 is caving place Man-made False structure diagram.
Fig. 2 is caving place supporting construction schematic diagram.
It is marked in figure as follows：
1- anchor cables, 2- caving place top plates, 3- grillages, 4- I-steel capplces, 5- lift canopies, 6- hydraulic single columns, 7- hydraulic supports.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of method by fully-mechanized mining working crossheading caving place includes the following steps：
A. Man-made False is set up in caving place domain in advance, during construction, according to the section width in tunnel and caving place length, to height
It emits region and arranges two row's anchor cables by laneway midline；Suspend H shaped steel shack on anchor cable in midair, frame canopy rear lane is 2.5 meters high, capplce top side
Wood carries out brake top by " well " font, and the capplce length is consistent with span length；
B. after brake topmast shield, along tunnel on the coal wall before and after caving place on the coal wall of 3m positions and below caving place
Injection Ma Lisan hardening coal wall is punched in direction every 5m, and each hole injection Ma Lisan quantity stops until Ma Lisan overflows coal wall
Injection；
C. advance support, head lane away from caving place 20m, tail lane is away from pressing 3/drain at caving place 30m and below caving place
Monomer column supporting is pressed, row's hydraulic single column is added in head lane along center line in roadway, and all hydraulic monomer column branch is located at below capplce,
And it is fixed with galvanized wire and capplce；Caving place also is provided with capplce along at the top of the rear and front end of tunnel.
D. lift canopy is set up below capplce, lifts one of canopy along entering above hydraulic support forestope, other end hydraulic monomer
Column support, when draw move face end support when, using lift canopy by capplce along enter stent above；
E. all hydraulic monomer column withdraws hydraulic pressure with face advance with adopting with shifting when frame front-axle beam chooses lift canopy I-steel when ends
Monomer column, until passing through caving place.
Step a stream lines length is 6m, and row spacing is 3 × 1m, and H shaped steel shack beam length is 4 meters on anchor cable, canopy spacing
1m, anchor cable leakage is no more than 250mm.
The length of the lumps of wood used is 1.5m in step a.
It lifts canopy described in step d to be made of I-steel, the length of I-steel is 5m.
In step b, it is 1-1.2 meters in the vertical height position of coal wall injection Ma Lisan, is punched along roadway direction every 5m,
The angle of punching is 60 degree straight up, and the mode jumped and noted is taken to fill when injecting Ma Lisan, i.e., primary every a hole filling.
Ma Lisan is injected by the way of note is jumped, coal wall uniform absorption can be made to greatest extent, one will not be injected on one side
While being overflowed from other holes, reach really effective injection.
In specific works, hydraulic single column rises when next lockset loosens and re-secures capplce lockset.Coalcutter
When driver cuts logical gate road, first coal body bottom is cut logical, then gradually slowly rise roller and sweep top, forbid that anchor cable and work will be suspended in midair
Word steel cuts bad, and to prevent girder steel displacement, grillage is caving and loses support action.When end hydraulics frame front-axle beam chooses lift canopy I-steel
Hydraulic single column can be withdrawn, forbids to withdraw in advance.
Claims (5)
- A kind of 1. method by fully-mechanized mining working crossheading caving place, which is characterized in that include the following steps：A. Man-made False is set up in caving place domain in advance, during construction, according to the section width in tunnel and caving place length, to height It emits region and arranges two row's anchor cables by laneway midline；Suspend H shaped steel shack on anchor cable in midair, frame canopy rear lane is 2.5 meters high, capplce top side Wood carries out brake top by " well " font, and the capplce length is consistent with span length；B. after brake topmast shield, along tunnel on the coal wall before and after caving place on the coal wall of 3m positions and below caving place Injection Ma Lisan hardening coal wall is punched in direction every 5m, and each hole injection Ma Lisan quantity stops until Ma Lisan overflows coal wall Injection；C. advance support, head lane away from caving place 20m, tail lane is away from pressing 3/drain at caving place 30m and below caving place Monomer column supporting is pressed, row's hydraulic single column is added in head lane along center line in roadway, and all hydraulic monomer column branch is located at below capplce, And it is fixed with galvanized wire and capplce；D. lift canopy is set up below capplce, lifts one of canopy along entering above hydraulic support forestope, other end hydraulic single column branch Support, when draw move face end support when, using lift canopy by capplce along enter stent above；E. all hydraulic monomer column withdraws hydraulic pressure with face advance with adopting with shifting when frame front-axle beam chooses lift canopy I-steel when ends Monomer column, until passing through caving place.
- 2. a kind of method by fully-mechanized mining working crossheading caving place according to claim 1, it is characterised in that：Step a Stream line length is 6m, and row spacing is 3 × 1m, and H shaped steel shack beam length is 4 meters, canopy spacing 1m on anchor cable, and anchor cable leakage is not More than 250mm.
- 3. a kind of method by fully-mechanized mining working crossheading caving place according to claim 1, it is characterised in that：Step a In the lumps of wood used length be 1.5m.
- 4. a kind of method by fully-mechanized mining working crossheading caving place according to claim 1, it is characterised in that：Step d Described in lift canopy be made of I-steel, the length of I-steel is 5m.
- 5. a kind of method by fully-mechanized mining working crossheading caving place according to any one of claims 1-4, feature It is：In step b, it is 1-1.2 meters in the vertical height position of coal wall injection Ma Lisan, punches, beat every 5m along roadway direction The angle in hole is 60 degree straight up, and the mode jumped and noted is taken to fill when injecting Ma Lisan, i.e., primary every a hole filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711140571.5A CN108150206B (en) | 2017-11-16 | 2017-11-16 | A method of passing through fully-mechanized mining working crossheading caving place |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711140571.5A CN108150206B (en) | 2017-11-16 | 2017-11-16 | A method of passing through fully-mechanized mining working crossheading caving place |
Publications (2)
| Publication Number | Publication Date |
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| CN108150206A true CN108150206A (en) | 2018-06-12 |
| CN108150206B CN108150206B (en) | 2019-11-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083663A (en) * | 2018-08-24 | 2018-12-25 | 淮北矿业股份有限公司 | A kind of dismounting device for underground coal mine fully-mechanized mining working |
| CN109339831A (en) * | 2018-09-28 | 2019-02-15 | 淮南矿业(集团)有限责任公司 | A kind of crossheading big cross section freeboard section connects top method and connects top |
| CN110424992A (en) * | 2019-08-08 | 2019-11-08 | 四川川煤华荣能源股份有限公司 | The method in the lane Inclined Full-mechanized Mining Face Guo Jiu |
| CN111764900A (en) * | 2020-06-24 | 2020-10-13 | 临沂矿业集团菏泽煤电有限公司 | Construction method for pushing and mining working face through vertical intersection point of connecting roadway by 110 construction method |
| CN113006816A (en) * | 2021-04-29 | 2021-06-22 | 山西天地王坡煤业有限公司 | Temporary roof-contacting supporting device and construction method |
| CN114263483A (en) * | 2021-12-27 | 2022-04-01 | 国家能源集团宁夏煤业有限责任公司 | Processing method for caving space in fully mechanized coal mining face propelling process |
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| CN102518452A (en) * | 2012-01-12 | 2012-06-27 | 河南理工大学 | Rapid and safe arch supporting method in process of passing through top-coal caving region |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083663A (en) * | 2018-08-24 | 2018-12-25 | 淮北矿业股份有限公司 | A kind of dismounting device for underground coal mine fully-mechanized mining working |
| CN109339831A (en) * | 2018-09-28 | 2019-02-15 | 淮南矿业(集团)有限责任公司 | A kind of crossheading big cross section freeboard section connects top method and connects top |
| CN110424992A (en) * | 2019-08-08 | 2019-11-08 | 四川川煤华荣能源股份有限公司 | The method in the lane Inclined Full-mechanized Mining Face Guo Jiu |
| CN111764900A (en) * | 2020-06-24 | 2020-10-13 | 临沂矿业集团菏泽煤电有限公司 | Construction method for pushing and mining working face through vertical intersection point of connecting roadway by 110 construction method |
| CN113006816A (en) * | 2021-04-29 | 2021-06-22 | 山西天地王坡煤业有限公司 | Temporary roof-contacting supporting device and construction method |
| CN113006816B (en) * | 2021-04-29 | 2023-09-19 | 山西天地王坡煤业有限公司 | Temporary roof-connecting supporting device and construction method |
| CN114263483A (en) * | 2021-12-27 | 2022-04-01 | 国家能源集团宁夏煤业有限责任公司 | Processing method for caving space in fully mechanized coal mining face propelling process |
| CN114263483B (en) * | 2021-12-27 | 2024-01-30 | 国家能源集团宁夏煤业有限责任公司 | Method for processing caving space in fully mechanized coal mining face advancing process |
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| CN108150206B (en) | 2019-11-19 |
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