CN107605493A - A kind of comprehensive pick construction system and method - Google Patents
A kind of comprehensive pick construction system and method Download PDFInfo
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- CN107605493A CN107605493A CN201711048251.7A CN201711048251A CN107605493A CN 107605493 A CN107605493 A CN 107605493A CN 201711048251 A CN201711048251 A CN 201711048251A CN 107605493 A CN107605493 A CN 107605493A
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Abstract
The present invention relates to mining engineering technical field, more particularly, to a kind of comprehensive pick construction system and method.The comprehensive pick construction system includes heading equipment and support apparatus；The heading equipment includes：Fully-mechanized digging machine, the fully-mechanized digging machine are used to carry out left and right circulation excavation operation to cutting eye to form tunnel；The support apparatus includes：Supporting construction, anchoring assembly and marguise；The supporting construction includes：Supporting left side structure, supporting top surface structure, the supporting right side structure set gradually along the inner surface in tunnel；The anchoring assembly is correspondingly anchored in the outside of the supporting construction, and the marguise includes the individual prop set in a row, and the individual prop is arranged at the inside of the supporting construction, for supporting the supporting construction.Safety coefficient of the present invention is high, and labor intensity can be reduced in work progress, and progress is fast, can meet back production construction period.
Description
Technical field
The present invention relates to mining engineering technical field, more particularly, to a kind of comprehensive pick construction system and method.
Background technology
At present, mechanized Caving Mining Face is the equipment such as installation synthetical support, front and rear drag conveyor, coal-winning machine
Large-span tunnel, complicated construction technique, it is the emphasis that mine roof controls.Resin anchor, anchor cable and hydraulic single prop joint
Supporting can ensure that mining is wide and cut eye safety in production, and a variety of eye expansion brush modes of cutting for suiting measures to local conditions to be formed improve work
Efficiency, meanwhile, cut eye and should try one's best and avoid the particular locations such as tomography, rock crusher band, water drenching area, area of stress concentration.Using tradition
Construction method, i.e., carry out the arrangement and method for construction of brush expansion after the construction of guide's cave, labor intensity is too big, and safety coefficient is low, and progress compared with
Slowly, back production construction period can not be met.
The information for being disclosed in the background section is merely intended to deepen the understanding of the general background technology to the present invention, and
It is not construed as recognizing or implies information structure prior art known to those skilled in the art in any form.
The content of the invention
It is an object of the invention to provide a kind of comprehensive pick construction system and method, to solve to exist in the prior art
Technical problem.
To achieve these goals, the present invention uses following technical scheme：
In a first aspect, the present invention provides a kind of comprehensive pick construction system, including heading equipment and support apparatus；The pick
Entering equipment includes：Fully-mechanized digging machine, the fully-mechanized digging machine are used to carry out left and right circulation excavation operation to cutting eye to form tunnel；The supporting
Equipment includes：Supporting construction, anchoring assembly and marguise；The supporting construction includes：The branch set gradually along the inner surface in tunnel
Protect left side structure, supporting top surface structure, supporting right side structure；The anchoring assembly is correspondingly anchored in the outer of the supporting construction
Side, the marguise include the individual prop set in a row, and the individual prop is arranged at the inside of the supporting construction, for propping up
Support the supporting construction.
As a kind of further technical scheme, the supporting left side structure include be arranged at the right side in tunnel plastic wire and
Belt press strip, the plastic wire is with the belt press strip assigned in one.
As a kind of further technical scheme, the supporting top surface structure includes being arranged at the steel band and gold at the top of tunnel
Belong to net, the steel band is assemblied in one with wire netting.
As a kind of further technical scheme, the supporting right side structure include be arranged at the left side in tunnel steel bar ladder and
Wire netting, the steel bar ladder are assemblied in one with wire netting.
As a kind of further technical scheme, the anchoring assembly includes：Twisted steel anchor rod, anchor cable and fiberglass anchor
Bar, the twisted steel anchor rod are arranged at the periphery of the supporting right side structure and supporting top surface structure；The anchor cable is arranged at institute
The periphery of supporting top surface structure is stated, the glass fibre reinforced plastics rockbolts are arranged at the periphery of the supporting left side structure.
As a kind of further technical scheme, the upper end of the individual prop is arranged on supporting top surface knot by marguise beam
On structure.
As a kind of further technical scheme, four individual props of the corresponding connection in lower section of the marguise beam.
As a kind of further technical scheme, the comprehensive pick construction system also includes being used for the pump for draining ponding
Body, the pump housing are arranged at the position of meeting head on for cutting eye.
As a kind of further technical scheme, the comprehensive pick construction system also includes the anchor pole for supporting operation
Machine, the roof-bolter are used to construct to anchoring assembly.
Second aspect, the present invention also provide the method that the comprehensive pick construction system described in a kind of basis is carried out, wherein, institute
Stating comprehensive pick construction system includes：Supporting construction, anchoring assembly and marguise；The supporting construction includes：Along the interior table in tunnel
Supporting left side structure that face is set gradually, supporting top surface structure, supporting right side structure；The anchoring assembly is correspondingly anchored in described
The outside of supporting construction, the marguise include the individual prop set in a row, and the individual prop is arranged at the supporting construction
Inside, for supporting the supporting construction.
When being tunneled to working face open-off cut eye, using left and right cycle alternation driving and supporting, comprise the following steps：
S1, fully-mechanized digging machine are tunneled on the left of eye to cutting, left side construct the first preset width when, pass through supporting construction and anchoring
Component carries out supporting to cutting on the left of eye top plate and cutting the left side of eye, cut the right side of eye wouldn't supporting, fully-mechanized digging machine is retracted into after the completion of supporting
Home position；
S2, fully-mechanized digging machine are tunneled on the right side of eye to cutting, right side construct the second preset width when, pass through supporting construction and anchoring
Component carries out supporting to cutting top plate and right side on the right side of eye, and fully-mechanized digging machine is retracted into home position after the completion of supporting；
S3, according to step S1 and S2 or so circulate driving and supporting.
Using above-mentioned technical proposal, the present invention has the advantages that：
One kind provided by the invention is comprehensive to dig construction system and method, Stability Analysis of Structures, safety coefficient height.And applying
Labor intensity can be reduced during work, and progress is fast, can meet back production construction period.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of working face open-off cut eye provided in an embodiment of the present invention or so circulation driving supporting；
Fig. 2 is the sectional schematic diagram of working face incisor canal provided in an embodiment of the present invention；
Fig. 3 is the top view of piggyback temporary support provided in an embodiment of the present invention；
Fig. 4 is the side view of piggyback temporary support provided in an embodiment of the present invention；
Fig. 5 is the top view that hydraulic prop provided in an embodiment of the present invention carries out gib；
Fig. 6 is the side view that hydraulic prop provided in an embodiment of the present invention carries out gib.
Icon：1- is cut on the left of eye；2- is cut on the right side of eye；3- steel bands；4- anchoring assemblies；6- individual props；7- twisted steel anchor rods；
8- anchor cables；9- glass fibre reinforced plastics rockbolts；10- fully-mechanized digging machines；11- meets head on；12- hydraulic props；13- wood caps.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Embodiment one
With reference to shown in Fig. 1 to Fig. 6, the present embodiment provides a kind of comprehensive pick construction system, including heading equipment and supporting
Equipment；The heading equipment includes：Fully-mechanized digging machine 10, the fully-mechanized digging machine 10 are used to carry out left and right circulation excavation operation to cutting eye with shape
Into tunnel；The support apparatus includes：Supporting construction, anchoring assembly 4 and marguise；The supporting construction includes：Along along tunnel
Supporting left side structure that surface is set gradually, supporting top surface structure, supporting right side structure；The anchoring assembly 4 is corresponding to be anchored in
The outside of the supporting construction, the marguise include the individual prop 6 set in a row, and the individual prop 6 is arranged at the branch
The inside of protection structure, for supporting the supporting construction.During work, fully-mechanized digging machine 10 tunnels to cutting eye left side 1, left side construction
During the first preset width, by supporting construction and anchoring assembly 4 to cutting 1 top plate on the left of eye and cutting the left side progress supporting of eye, eye is cut
Right side wouldn't supporting, fully-mechanized digging machine 10 is retracted into home position after the completion of supporting；Fully-mechanized digging machine 10 tunnels to cutting eye right side 2, right
During the second preset width of construction of side, supporting, branch are carried out to cutting 2 top plates and right side on the right side of eye by supporting construction and anchoring assembly 4
Fully-mechanized digging machine 10 is retracted into home position after the completion of shield；Left and right circulation driving and supporting as described above.
In the present embodiment, as a kind of further technical scheme, the supporting left side structure includes being arranged at the tunnel right side
The plastic wire and belt press strip of side, the plastic wire is with the belt press strip assigned in one.Plastic wire can be nylon wire, in addition
Other forms can also be used.In the present embodiment, as a kind of further technical scheme, the supporting top surface structure includes setting
Steel band 3 and the wire netting being placed at the top of tunnel, the steel band 3 are assemblied in one with wire netting.In the present embodiment, enter as one kind
The technical scheme of one step, the supporting right side structure include being arranged at the steel bar ladder and wire netting of the left side in tunnel, the steel bar ladder
One is assemblied in wire netting.
In the present embodiment, as a kind of further technical scheme, the anchoring assembly 4 includes：Twisted steel anchor rod 7, anchor
Rope 8 and glass fibre reinforced plastics rockbolts 9, the twisted steel anchor rod 7 are arranged at the periphery of the supporting right side structure and supporting top surface structure；Institute
The periphery that anchor cable 8 is arranged at the supporting top surface structure is stated, the glass fibre reinforced plastics rockbolts 9 are arranged at the outer of the supporting left side structure
Enclose.
Specifically, as a kind of further technical scheme, the upper end of the individual prop 6 is arranged on branch by marguise beam
Protect on top surface structure.Wherein, four individual props 6 of the corresponding connection in lower section of the marguise beam.The post of one beam four, post is away from 1200mm.
Marguise is no more than 35 meters apart from boring head 11.
As a kind of further technical scheme, the comprehensive pick construction system also includes being used for the pump for draining ponding
Body, the pump housing are arranged at 11 positions of meeting head on for cutting eye.Cut eye and meet head on 11 outfit two with model air pump (the using and the reserved), comprehensive
The opposite side of pick machine 10 digs hair ditch and interim water is vast, drains ponding using air pump, ensure that working face job site tunnel bottom
For plate without ponding, fully-mechanized digging machine 10 is free to advance or retreat, is not in the situation of sitting when running into mud stone bottom plate.
In the present embodiment, as a kind of further technical scheme, the comprehensive pick construction system also includes being used for branch
The roof-bolter of operation is protected, the roof-bolter is used to construct to anchoring assembly 4.
To ensure construction safety and construction quality, the driver of fully-mechanized digging machine 10 should hand over according to of that month geologic prediction, technology before driving
The data such as bottom and the actual conditions of job site grasp the coal of excavated section, rock distribution and its bedding architecture situation, should during cutting
Starting point is cut according to reasonable selections such as the change of roadway surrounding rock, coal petrography distribution situation and broken complexities.Coal, rock are stable
When, once dig two rows, cyclic advance 1.6m, maximum distance of face roof under control 1.9m.When top plate development has crack, coal, rock broken, one is once dug
Row, cyclic advance 0.8m, maximum distance of face roof under control 1.1m.
To ensure the completion of normal cyclic operation, 11 construction operations of meeting head on must close according to the staffing of the organization of labour
Reason arranges process, accomplishes parallel progress as far as possible between process and process, fully rationally to utilize the working time, improves work effect
Rate.
It is big due to cutting a section, divide left and right sides to circulate excavation operation, pick, branch parallel operations can be realized when lithology is preferable.
The safety of the right side in left side during to ensure left and right circulation excavation operation, the right side in tunnel wide 5.1m that first constructs is protected using nylon wire,
Nylon wire top is connected by the top anchor net of S types hook (φ 10mm steel bar meters) and top shield, and connection spacing is not
More than 0.5 meter, tunnel middle and lower part one row's glass fibre reinforced plastics rockbolts 9 of construction are fixed, anchor pole spacing 2m.Protective range meets head on 11 to move back from left side
Two drain into right side afterwards and meet head on 11 positions.When left (right side) side of fully-mechanized digging machine 10 is tunneled, the parallel carry out supporting in the right side (left side) side, side top anchor is realized
Bar mistake stubble construct, do not interfere with each other, using protection network carry out protection solve top side rock tumble (wall caving) along cut surface caused by
Potential safety hazard.
Secondly, side portion's supporting (three anchor poles above) allows hysteresis to meet head on 11 liang to arrange in the case that Surrounding Rock Strength is permitted, anchor
The supporting of rope 8 is immediately following meeting head on 11；Parallel operations can be achieved in side portion's supporting and 11 constructions of meeting head on, and will meet head on 11 limited working spaces
" elongation ", inter process realize space and temporal parallel operations, especially when big cross section tunnels, substantially reduce overall supporting
Time, accelerate penetration rate.Left and right sides circulates excavation operation in addition to above-mentioned superiority, also following aspects excellent
Point.
(1) cut eye and meet head on 11 outfit two with model air pump (the using and the reserved), the opposite side of fully-mechanized digging machine 10 dig hair ditch and
Interim water is vast, is drained ponding using air pump, ensure that working face job site roadway floor is retreated certainly without ponding, fully-mechanized digging machine 10
Such as, be not in the situation of sitting when running into mud stone bottom plate.
(2) it is highly larger although cutting eye 11 drivings of meeting head on, utilize piggyback temporary support system and protection network, wall caving hidden danger
Greatly reduce, the security of working face greatly improves.
(3) cause fully-mechanized digging machine 10 to go out the reduction of cash difficulty, go out the raising of cash efficiency.
Embodiment two
With reference to shown in Fig. 1 to Fig. 6, the present embodiment also provides a kind of comprehensive pick rapid construction system according to described in embodiment one
The method that system is carried out.For embodiment one, its particular content is as described above.The present embodiment includes the interior of embodiment one
Hold, certainly, the relevant device introduced as follows can also belong to the content of embodiment one.Identical content is not repeated to describe.
When being tunneled to working face open-off cut eye, using left and right cycle alternation driving and supporting, comprise the following steps：
S1, fully-mechanized digging machine 10 tunnel to cutting on the left of eye 1, left side construct the first preset width when, by supporting construction and
Anchoring assembly 4 carries out supporting to cutting on the left of eye 1 top plate and cutting the left side of eye, cut the right side of eye wouldn't supporting, fully-mechanized digging machine after the completion of supporting
10 are retracted into home position；
S2, fully-mechanized digging machine 10 tunnel to cutting on the right side of eye 2, right side construct the second preset width when, by supporting construction and
Anchoring assembly 4 carries out supporting to cutting 2 top plates and right side on the right side of eye, and fully-mechanized digging machine 10 is retracted into home position after the completion of supporting；
S3, according to step S1 and S2 or so circulate driving and supporting.
Specifically, method is applicable to the construction of 12403 working face open-off cut eyes in the present embodiment.12403 working face open-off cut eyes
Design length be 275m, excavated section is rectangle, digs wide * pick height=8.1m*3.85m, excavated section product is 31.185 ㎡, only
Wide * clear height=8m*3.5m, net sectional area are 28 ㎡；Cut eye to construct along 4-1 coal seams, it is 4-1 coal seams and fine sand that lithology is met in tunnel
Rock, 4-1 coal seams thickness 3.6-3.9m (have 0.25m dirt bands), and 4-1 coal seams are flat seam, and geological conditions is simple；Using anchor net+
Anchor cable channel-section steel combination beam coordinates monomer as permanent support.For accelerating construction progress, gained time for working face installation and debugging,
Using EBZ200 types fully-mechanized digging machine 10 using two circulation coal cuttings, left and right cycle alternation driving and supporting, disposable tunneling boring construction
12403 working face open-off cut eyes.
It should be noted that 12403 working face incisor canals, it is necessary to (be arranged in and cut 1 on the left of eye (i.e. always with chamber of giving another the right of way
It is pool side, as follows), dial doorway 77.5m away from eye is cut, tunneled along 4-1 roofs), coal machine nest (is arranged in and cuts 2 (i.e. coals on the right side of eye
Side is helped, as follows), doorway 40m is dialled away from eye is cut, is tunneled along 4-1 roofs) construct and consider as a whole, reasonable arrangement.
During driving, using two circulation coal cutting (see photo), i.e., first 5.1 × 3.85m of left side is cut out by normal cyclic drilling depth
Rectangular cross section, fully-mechanized digging machine 10 is stepped back cuts out right side 3.0 × 3.85m rectangular cross sections, left and right cycle alternation by normal cyclic drilling depth again
Driving and supporting.During the construction 5.1m width of left side, cut a top plate and left side carries out supporting, right side not supporting；Right side construction 3m is wide
When spending, cut a top plate and right side carries out supporting.To ensure safety, parallel operations, left side meet head on 11 must in advance on the right side of meet head on 11,
The advanced right side in left side cannot be greater than 6 meters；When coal (rock) crushes, one row of left side is first cut out, after supporting is intact, then cuts out one row of right side
And supporting is intact, left and right circulation driving.
Wherein, cut the wide roadway constructions of 15.1m on the left of eye to cut eye give another the right of way chamber when, first tunnel 5m, one group of construction forward
After latching anchor cable 8, development machine is retracted to be dialled door construction by 5m width and gives another the right of way chamber to the left, according to the method until Chamber Construction of giving another the right of way
Finish.After Chamber Construction, row's marguise is installed dialling doorway.
Wherein, when construction is at coal machine nest when cutting the wide tunnels of 23m on the right side of eye, 5m is first tunneled forward, one group of lock of constructing
After anchor cable 8, development machine is retracted dials to the right door construction coal machine nest by 5m width, according to the method until coal generator sockets construction finishes.
Wherein, eye driving is cut when reaching 35 meters, it is necessary to installs two row's marguises in time, first row individual prop 6 is apart from old man
Side 3.0m, second row individual prop 6 is apart from old man side 4.5m, array pitch 1.5m.Marguise beam uses 11# I-beam for mine (L=4.5m), canopy
Leg uses DZ45 individual props 6, and the post of a beam four, post is away from 1200mm.Marguise is no more than 35 meters apart from boring head 11.
Wherein, roadway full-fracture-surfacanchoring-rod bottom plate disposably hardens, and away from meeting head on, 11 distances are no more than 50 meters, and concrete floor thickness is
300mm, using Commercial Concrete, strength grade C25.
Also include piggyback temporary support system in the present embodiment.Specifically, the driving of fully-mechanized digging machine 10 reaches supporting distance pick
After going out rough section, fully-mechanized digging machine 10 is retreated into suitable distance, docks at tunnel center.Cut position is adjusted according to head-room
Put, interlocking joystick is switched to " supporting " position, now piggyback temporary support hydraulic system is in controllable state, fully-mechanized digging machine
10 hydraulic systems are then in latch-up protection state.Piggyback temporary support joystick is operated, piggyback temporary support is in level
State.Colligation good bar-mat reinforcement and steel band 3 are placed above top plate, while operates overturning oil cylinder joystick and oscillating oil cylinder operation
Handle, keep top plate to move horizontally, hoist cylinder joystick is operated after bar-mat reinforcement and the position adjustment of steel band 3, makes top plate
Contacted with back, form setting load.With roof-bolter supporting operation is carried out through advance support top plate, bar-mat reinforcement, steel band 3.
After the completion of supporting operation, piggyback temporary support is folded, returns to initial state.Interlocking joystick is pulled to " driving " position,
Into next work cycle.
In addition, when top plate is unstable or machine-carried type gib can not normal use when, using two DWB28-30/100
Light single hydraulic prop 12 is used as gib, and away from each one at laneway midline or so 1200mm~1500mm, wooden cap 13 is adopted
With the two-sided high-quality planks to strip off the skin of 70 × 300 × 700mm.
It can be seen that when to cutting top shield, using piggyback temporary support system, the top shield engineering time is shortened,
The safe condition of top plate, accelerates speed of application when ensure that gib, improves work efficiency.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. comprehensive pick construction system, it is characterised in that including：Heading equipment and support apparatus；The heading equipment bag Include：Fully-mechanized digging machine, the fully-mechanized digging machine are used to carry out left and right circulation excavation operation to cutting eye to form tunnel；The support apparatus bag Include：Supporting construction, anchoring assembly and marguise；The supporting construction includes：On the left of the supporting set gradually along the inner surface in tunnel Structure, supporting top surface structure, supporting right side structure；The anchoring assembly is correspondingly anchored in the outside of the supporting construction, described Marguise includes the individual prop set in a row, and the individual prop is arranged at the inside of the supporting construction, described for supporting Supporting construction.
- 2. comprehensive pick construction system according to claim 1, it is characterised in that the supporting left side structure includes setting In the plastic wire and belt press strip of the right side in tunnel, the plastic wire is with the belt press strip assigned in one.
- 3. comprehensive pick construction system according to claim 1, it is characterised in that the supporting top surface structure includes setting Steel band and wire netting at the top of tunnel, the steel band are assemblied in one with wire netting.
- 4. comprehensive pick construction system according to claim 1, it is characterised in that the supporting right side structure includes setting In the steel bar ladder and wire netting of the left side in tunnel, the steel bar ladder is assemblied in one with wire netting.
- 5. comprehensive pick construction system according to claim 1, it is characterised in that the anchoring assembly includes：Screw-thread steel Anchor pole, anchor cable and glass fibre reinforced plastics rockbolts, the twisted steel anchor rod are arranged at the outer of the supporting right side structure and supporting top surface structure Enclose；The anchor cable is arranged at the periphery of the supporting top surface structure, and the glass fibre reinforced plastics rockbolts are arranged at the supporting left side structure Periphery.
- 6. comprehensive pick construction system according to claim 1, it is characterised in that the upper end of the individual prop is by choosing Capplce is arranged on supporting top surface structure.
- 7. comprehensive pick construction system according to claim 6, it is characterised in that the lower section of the marguise beam is corresponding to be connected Four individual props.
- 8. comprehensive pick construction system according to claim 1, it is characterised in that also include being used for the pump for draining ponding Body, the pump housing are arranged at the position of meeting head on for cutting eye.
- 9. comprehensive pick construction system according to claim 1, it is characterised in that also include the anchor pole for supporting operation Machine, the roof-bolter are used to construct to anchoring assembly.
- 10. a kind of method that comprehensive pick construction system according to any one of claim 1-9 is carried out, its feature exist In, when being tunneled to working face open-off cut eye, using left and right cycle alternation driving and supporting, comprise the following steps：S1, fully-mechanized digging machine are tunneled on the left of eye to cutting, left side construct the first preset width when, pass through supporting construction and anchoring assembly Carry out supporting to cutting on the left of eye top plate and cutting the left side of eye, cut the right side of eye wouldn't supporting, fully-mechanized digging machine is retracted into original after the completion of supporting Position；S2, fully-mechanized digging machine are tunneled on the right side of eye to cutting, right side construct the second preset width when, pass through supporting construction and anchoring assembly Supporting is carried out to cutting top plate and right side on the right side of eye, fully-mechanized digging machine is retracted into home position after the completion of supporting；S3, according to step S1 and S2 or so circulate driving and supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048251.7A CN107605493A (en) | 2017-10-31 | 2017-10-31 | A kind of comprehensive pick construction system and method |
Applications Claiming Priority (1)
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| CN110284913A (en) * | 2019-07-19 | 2019-09-27 | 山东科技大学 | A kind of interior drawing anchor cable structure of the lane large span Qie Dingcheng top plate |
| CN111456765A (en) * | 2020-04-24 | 2020-07-28 | 河北工程大学 | Extremely-broken roadway thin-thick shell supporting structure and construction method |
| CN111691886A (en) * | 2020-06-23 | 2020-09-22 | 国家能源集团宁夏煤业有限责任公司 | Construction method for opening cutting hole by fully-mechanized coal mining machine in fully-mechanized coal mining face |
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