CN108194080B - A kind of continuous driving system of coal mine roadway - Google Patents
A kind of continuous driving system of coal mine roadway Download PDFInfo
- Publication number
- CN108194080B CN108194080B CN201711479718.3A CN201711479718A CN108194080B CN 108194080 B CN108194080 B CN 108194080B CN 201711479718 A CN201711479718 A CN 201711479718A CN 108194080 B CN108194080 B CN 108194080B
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- cylinder
- support
- piston shoes
- support frame
- pair
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- 239000003245 coal Substances 0.000 title claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/68—Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/223—Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air
-
- 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
-
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention relates to a kind of continuous driving systems of coal mine roadway, including side arm, the first piston shoes of a pair and the first support frame above a pair of first piston shoes that side arm includes horizontal alignment setting, a pair of first piston shoes pass through at least one first support cylinder respectively and connect with the two sides of the first support frame, the front end of first support frame is horizontally installed with multiple telescopic oil cylinders, and the telescopic end of each telescopic oil cylinder is horizontally installed with extension supporting beam；After-frame, the second piston shoes of a pair and the second support frame above a pair of second piston shoes that after-frame includes horizontal alignment setting, a pair of second piston shoes pass through at least one second support cylinder respectively and connect with the two sides of the second support frame, and the second piston shoes front end is connected with corresponding first piston shoes rear end by propelling cylinder；Independent cutterhead；Transporter；Several portion, side support anchor rod machines and top shield roof-bolter；And remote control station.The present invention can dig the operation simultaneously of fortune branch anchor, constantly recycle, continuous to tunnel, long-range to control, simultaneous drifting.
Description
Technical field
The present invention relates to coal mine roadway excavation operation field, specifically a kind of continuous driving system of coal mine roadway.
Background technique
At present coal mine roadway driving generally use fully-mechanized digging machine and heading and anchoring integrated machine, fully-mechanized digging machine be responsible for drift section cutting at
Material transportation after type and cutting, and heading and anchoring integrated machine is to install temporary support device and anchor pole additional on the basis of fully-mechanized digging machine
Machine solves tunnel and meets head on top plate gib and anchor net fixed operation.In addition more forward position is by gib on fully-mechanized digging machine
It is changed to step-by-step movement advance support system, solves a wide range of, large area supporting, fully-mechanized digging machine independent work under self-advancing support shielding
Make.There are also one is individual anchor support form, solution anchors top plate integer support when anchor net.Currently, coal mine roadway tunnels
Drivage efficiency generally using fully-mechanized digging machine and heading and anchoring integrated machine is low, and tunnelling meets head on to cause to make due to the presence of fully-mechanized digging machine
Industry limited space, cutting, supporting and anchoring cross-operation are influenced, cannot continuously be tunneled.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can dig the operation simultaneously of fortune branch anchor, constantly recycles, continuously
Driving, long-range to control, the continuous driving system of the coal mine roadway of simultaneous drifting.
The technical scheme to solve the above technical problems is that a kind of continuous driving system of coal mine roadway, including
Side arm, the side arm include the first piston shoes of a pair of horizontal alignment setting and are located above a pair of first piston shoes
The first support frame, a pair of first piston shoes pass through the two of at least one first support cylinder and first support frame respectively
Side connection, the front end of first support frame is horizontally installed with multiple telescopic oil cylinders, the telescopic end water of each telescopic oil cylinder
Safety is equipped with extension supporting beam；
After-frame, the after-frame include the second piston shoes of a pair of horizontal alignment setting and are located above a pair of second piston shoes
The second support frame, a pair of second piston shoes pass through the two of at least one second support cylinder and second support frame respectively
Side connection, second piston shoes front end are connected with corresponding first piston shoes rear end by propelling cylinder；
Independent cutterhead, the independent cutterhead include pedestal and the cutterhead for being mounted on the pan frontward end, the bottom
Seat is located between a pair of first piston shoes, and its rear end two sides pass through driving oil cylinder respectively and connect corresponding second piston shoes
Inside；
Transporter, the transporter are located at bottom in the side arm and after-frame, front be located at below the pedestal and with
The pedestal is slidably matched, and the two sides of the transporter pass through the rear end that slave cylinder connects the pedestal, the fortune respectively
The front end of defeated machine is equipped with the shovel board tilted down, and the upper surface of the shovel board is equipped with hoeing star-wheel；
Several portion, side support anchor rod machines and top shield roof-bolter, several portion, side support anchor rod machines and top shield anchor
Bar machine is all set between a pair of first piston shoes between a pair of second piston shoes；
And remote control station, the remote control station remotely control first support cylinder, telescopic oil cylinder, second
Support oil cylinder, propelling cylinder, cutterhead, driving oil cylinder, hoeing star-wheel, transporter, portion, side support anchor rod machine, top shield roof-bolter
It is operated with slave cylinder.
Working principle: firstly, the first support cylinder and the second support cylinder stretch out upwards makes the first support frame and second
It is held out against at the top of support frame and tunnel, and holds out against the first piston shoes and the second piston shoes with tunnel bottom, to guarantee the side arm with after
Frame is fixed in tunnel, and the driving oil cylinder, which forward extends out, pushes pedestal to advance forward, to drive the cutting in operating
Head tunnel cutting drift section coal body forward in tunnel, until driving oil cylinder to maximum overhang, and the slave cylinder with
The driving oil cylinder, which forward extends out to synchronize, to be forward extended out, during which, after there is empty top zone at the top of tunnel, each telescopic oil cylinder band
It moves the corresponding extension supporting beam and synchronizes and stretch out with supported laneway empty top zone, accomplish gib；Then, the slave cylinder
It shrinks and the transporter is driven to advance forward, so that the shovel board be driven to advance forward, during which, hoeing star-wheel is operated cutting
Coal body takes off the transporter backward, so that the coal body of cutting be made to transport tunnel by the transporter；Then, when tunnel bottom
After the completion of float coal cleaning, first support cylinder shrinks the fixation for releasing the side arm and tunnel, and propelling cylinder forward extends out
The side arm is pushed to advance forward at a distance from the driving oil cylinder overhang equivalent, the extension supporting beam is by the flexible oil
Cylinder drives synchronous retraction, and the side arm is fixed in tunnel by the first support cylinder stretching later, the second support oil
Cylinder shrinks the fixation for releasing the after-frame and tunnel, and propelling cylinder, which is shunk, pulls the after-frame to advance forward and the driving oil cylinder
The distance of overhang equivalent, the after-frame is fixed in tunnel by the second support cylinder stretching later, the portion, side supporting
Roof-bolter and top shield roof-bolter are helped in time according to procedure calls, in cutterhead rear work space, push up anchoring
Operation.So circulation can be tunneled continuously, simultaneous drifting.
The beneficial effects of the present invention are: retaining the independent cutterhead, described the invention proposes fully-mechanized digging machine is decomposed
The solution that excavation operation is carried out under the shielding of side arm and after-frame solves current coal mine roadway driving and generally uses fully-mechanized digging machine
And heading and anchoring integrated machine drivage efficiency is low, tunnelling meets head on to cause working space limited due to the presence of fully-mechanized digging machine, cutting, branch
Shield and anchoring cross-operation influence, and the problem of cannot continuously tunneling, can dig the operation simultaneously of fortune branch anchor, constantly recycle, continuous to dig
Into long-range to control, simultaneous drifting.
Further, the remote control station includes remote power feeding case and long-range liquid supply box, and the remote power feeding case is described
First support cylinder, telescopic oil cylinder, the second support cylinder, propelling cylinder, cutterhead, driving oil cylinder, hoeing star-wheel, transporter,
The operating of portion, side support anchor rod machine, top shield roof-bolter and slave cylinder is powered, and the long-range liquid supply box is described first
Support oil cylinder, telescopic oil cylinder, the second support cylinder, propelling cylinder, driving oil cylinder, portion, side support anchor rod machine, top shield roof-bolter
With the operating feed flow of slave cylinder.
The beneficial effect of above-mentioned further technical solution is: ensuring this system steady running.
Further, the remote control station further includes industrial dust collector, first support frame and the second support frame it is each
Root beam is interconnected tubular beam, is offered on the side wall of each beam of first support frame and the second support frame multiple
Ventilation hole A, the pipe band that first support frame is set side by side by more are connected to second support frame, the side wall of the pipe band
On offer multiple ventilation hole B, the industrial dust collector is connected to first support frame or the second support frame by air hose.
The beneficial effect of above-mentioned further technical solution is: utilizing the powder at industrial dust collector suction boring head position
Dirt provides good operating environment for boring head video monitoring.
Further, the transporter is scratch board conveyor.
The beneficial effect of above-mentioned further technical solution is: ensuring conveying stability of the transporter in tunnel.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural diagram of the present invention；
Appended drawing reference:
1- cutterhead；2- pedestal；3- extension supporting beam；4- telescopic oil cylinder；5- ventilation hole；The first support frame of 6-；7- pipe band；
8- transporter；The second piston shoes of 9-；The second support cylinder of 10-；11- propelling cylinder；12- tunnels oil cylinder；13- slave cylinder；14-
One piston shoes；The first support cylinder of 15-；16- hoeing star-wheel；17- shovel board；The second support frame of 19-；20- ventilation hole B
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
As shown in Figure 1, a kind of continuous driving system of coal mine roadway, including
Side arm, side arm include first piston shoes of a pair 14 of horizontal alignment setting and above the first piston shoes 14 of a pair the
One support frame 6, a pair of first piston shoes 14 are connect by two the first support cylinders 15 with the two sides of the first support frame 6 respectively, the
The front end of one support frame 6 is horizontally installed with multiple telescopic oil cylinders 4, and the telescopic end of each telescopic oil cylinder 4 is horizontally installed with extension branch
Guard beam 3；
After-frame, after-frame include horizontal alignment setting second piston shoes of a pair 9 and positioned at a pair the second piston shoes 9 above second
Support frame 19, a pair of second piston shoes 9 are connect by two the second support cylinders 10 with the two sides of the second support frame 19 respectively, and second
9 front end of piston shoes is connected with corresponding first piston shoes, 14 rear end by propelling cylinder 11；
Independent cutterhead, independent cutterhead include pedestal 2 and the cutterhead 1 for being mounted on 2 front end of pedestal, and pedestal 2 is located at one
To between the first piston shoes 14, its rear end two sides pass through the inside that driving oil cylinder 12 connects corresponding second piston shoes 9 respectively；
Transporter 8, transporter 8 are located at bottom in side arm and after-frame, and front is located at 2 lower section of pedestal and slides with pedestal 2
Dynamic cooperation, the two sides of transporter 8 pass through the rear end that slave cylinder 13 connects pedestal 2 respectively, and the front end of transporter 8 is equipped with downwards
Inclined shovel board 17, the upper surface of shovel board 17 are equipped with hoeing star-wheel 16；
Several portion, side support anchor rod machines and top shield roof-bolter, several portion, side support anchor rod machines and top shield roof-bolter
It is all set between a pair of first piston shoes 14 between a pair of second piston shoes 9；
And remote control station, remote control station remotely control the first support cylinder 15, the support oil of telescopic oil cylinder 4, second
Cylinder 10, propelling cylinder 11, cutterhead 1, driving oil cylinder 12, hoeing star-wheel 16, transporter 8, portion, side support anchor rod machine, top shield
Roof-bolter and slave cylinder 13 operate.
In the present embodiment, remote control station includes remote power feeding case and long-range liquid supply box, and remote power feeding case is the first support
Oil cylinder 15, telescopic oil cylinder 4, the second support cylinder 10, propelling cylinder 11, cutterhead 1, driving oil cylinder 12, hoeing star-wheel 16, transport
The operating power supply of machine 8, portion, side support anchor rod machine, top shield roof-bolter and slave cylinder 13, long-range liquid supply box are the first support
Oil cylinder 15, telescopic oil cylinder 4, the second support cylinder 10, propelling cylinder 11, driving oil cylinder 12, portion, side support anchor rod machine, top shield
The operating feed flow of roof-bolter and slave cylinder 13；Remote control station further includes industrial dust collector, the first support frame 6 and the second support
Each beam of frame 19 is interconnected tubular beam, is opened on the side wall of each beam of the first support frame 6 and the second support frame 19
Equipped with multiple ventilation hole A5, the pipe band 7 that the first support frame 6 is set side by side by more is connected to the second support frame 19, the side of pipe band 7
Multiple ventilation hole B20 are offered on wall, industrial dust collector is connected to the first support frame 6 by air hose；Transporter 8 is scraper plate transport
Machine.
Working principle: firstly, the first support cylinder 15 and the second support cylinder 10 stretch out upwards makes the first support frame 6 and the
It is held out against at the top of two support frames 19 and tunnel, and holds out against the first piston shoes 14 and the second piston shoes 9 with tunnel bottom, to guarantee side arm
It is fixed in tunnel with after-frame, driving oil cylinder 12, which forward extends out, pushes pedestal 2 to advance forward, to drive the cutterhead in operating
1 tunnels forward cutting drift section coal body in tunnel, until driving oil cylinder 12 arrives maximum overhang, and slave cylinder 13 is with pick
Oil inlet cylinder 12 is forward extended out to synchronize and be forward extended out, and during which, after there is empty top zone at the top of tunnel, each telescopic oil cylinder 4, which drives, to be corresponded to
Extension supporting beam 3 it is synchronous stretch out with supported laneway empty top zone, accomplish gib；Then slave cylinder 13, which is shunk, drives transport
Machine 8 is advanced forward, so that shovel board 17 be driven to advance forward, during which, the coal body of cutting is taken off upper fortune by the operating of hoeing star-wheel 16 backward
Defeated machine 8, so that the coal body of cutting be made to transport tunnel by transporter 8；Then, after the completion of the float coal cleaning of tunnel bottom, first
Support cylinder 15 shrinks the fixation for releasing side arm and tunnel, and propelling cylinder 11, which forward extends out, pushes side arm to advance forward and driving oil
The distance of 12 overhang equivalent of cylinder, extension supporting beam 3 drive synchronous retraction by telescopic oil cylinder 4, and the first support cylinder 15 is stretched later
Side arm is fixed in tunnel out, the second support cylinder 10 shrinks the fixation for releasing after-frame and tunnel, and propelling cylinder 11, which is shunk, to be drawn
Dynamic after-frame is advanced forward at a distance from driving 12 overhang equivalent of oil cylinder, and after-frame is fixed on by the second support cylinder 10 stretching later
In tunnel, portion, side support anchor rod machine and top shield roof-bolter according to procedure calls, 1 rear work space of cutterhead in time into
Trade association, top anchoring operation.So circulation can be tunneled continuously, simultaneous drifting, and during continuous driving, industrial dust collector is lasting
The dust at operating suction boring head position, provides good operating environment for boring head video monitoring.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (2)
1. a kind of continuous driving system of coal mine roadway characterized by comprising
Side arm, the side arm include first piston shoes of a pair (14) of horizontal alignment setting and are located at a pair first piston shoes (14)
The first support frame (6) of top, a pair of first piston shoes (14) pass through at least one first support cylinder (15) and institute respectively
The two sides connection of the first support frame (6) is stated, the front end of first support frame (6) is horizontally installed with multiple telescopic oil cylinders (4), respectively
The telescopic end of a telescopic oil cylinder (4) is horizontally installed with extension supporting beam (3)；
After-frame, the after-frame include the second piston shoes of a pair (9) of horizontal alignment setting and are located on a pair of second piston shoes (9)
Second support frame of side, a pair of second piston shoes (9) pass through at least one second support cylinder (10) and described second respectively
The two sides of support frame connect, and the second piston shoes (9) front end passes through propelling cylinder with corresponding first piston shoes (14) rear end
(11) it connects；
Independent cutterhead, the independent cutterhead include pedestal (2) and the cutterhead (1) for being mounted on the pedestal (2) front end, institute
It states pedestal (2) to be located between a pair of first piston shoes (14), its rear end two sides pass through driving oil cylinder (12) connection respectively and correspond to
Second piston shoes (9) inside；
Transporter (8), the transporter (8) are located at bottom in the side arm and after-frame, and front is located at below the pedestal (2)
And be slidably matched with the pedestal (2), the two sides of the transporter (8) pass through slave cylinder (13) respectively and connect the pedestal
(2) rear end, the front end of the transporter (8) are equipped with the shovel board (17) tilted down, the upper surface peace of the shovel board (17)
Equipped with hoeing star-wheel (16)；
Several portion, side support anchor rod machines and top shield roof-bolter, several portion, side support anchor rod machines and top shield roof-bolter
It is all set between a pair of first piston shoes (14) between a pair of second piston shoes (9)；
And remote control station, the remote control station remotely control first support cylinder (15), telescopic oil cylinder (4),
Two support cylinders (10), propelling cylinder (11), cutterhead (1), driving oil cylinder (12), hoeing star-wheel (16), transporter (8), side
Portion's support anchor rod machine, top shield roof-bolter and slave cylinder (13) operating；
The remote control station includes remote power feeding case and long-range liquid supply box, and the remote power feeding case is first support cylinder
(15), telescopic oil cylinder (4), the second support cylinder (10), propelling cylinder (11), cutterhead (1), driving oil cylinder (12), hoeing star
The operating power supply of (16), transporter (8), portion, side support anchor rod machine, top shield roof-bolter and slave cylinder (13) is taken turns, it is described remote
Journey liquid supply box is first support cylinder (15), telescopic oil cylinder (4), the second support cylinder (10), propelling cylinder (11), driving
Oil cylinder (12), portion, side support anchor rod machine, top shield roof-bolter and slave cylinder (13) operating feed flow；
The remote control station further includes industrial dust collector, each Liang Weixiang of first support frame (6) and the second support frame
Multiple ventilations are offered on the side wall of each beam of intercommunicated tubular beam, first support frame (6) and the second support frame
Hole A (5), the pipe band (7) that first support frame (6) is set side by side by more are connected to second support frame, the pipe band
(7) multiple ventilation hole B (20) are offered on side wall, the industrial dust collector is connected to first support frame (6) by air hose
Or second support frame.
2. the continuous driving system of a kind of coal mine roadway according to claim 1, which is characterized in that the transporter (8) is
Scratch board conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479718.3A CN108194080B (en) | 2017-12-29 | 2017-12-29 | A kind of continuous driving system of coal mine roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479718.3A CN108194080B (en) | 2017-12-29 | 2017-12-29 | A kind of continuous driving system of coal mine roadway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194080A CN108194080A (en) | 2018-06-22 |
| CN108194080B true CN108194080B (en) | 2019-09-24 |
Family
ID=62586649
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711479718.3A Active CN108194080B (en) | 2017-12-29 | 2017-12-29 | A kind of continuous driving system of coal mine roadway |
Country Status (1)
| Country | Link |
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| CN (1) | CN108194080B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989779B (en) * | 2019-01-15 | 2020-08-18 | 中国煤炭科工集团太原研究院有限公司 | Temporary support system integrating automatic net laying, dust removal device and advancing function |
| CN109869145A (en) * | 2019-04-08 | 2019-06-11 | 贵州众一金彩黔矿业有限公司 | A kind of portal support type pick, branch, fortune, bores all-in-one machine at anchor |
| CN112796751A (en) * | 2021-02-22 | 2021-05-14 | 三一重型装备有限公司 | Heading machine suitable for small-section tunnel |
| CN113700478B (en) * | 2021-09-23 | 2023-09-01 | 陕西竹园嘉原矿业有限公司 | Tunneling device for mining machinery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022122A (en) * | 2010-11-03 | 2011-04-20 | 吕国定 | Support-type comprehensive tunneler |
| CN202611695U (en) * | 2012-04-06 | 2012-12-19 | 中铁隧道装备制造有限公司 | Novel rectangular coal roadway quick driving and bolting all-in-one machine |
| CN202914117U (en) * | 2012-11-16 | 2013-05-01 | 山东矿机集团股份有限公司 | Movable supporting and protecting support of roadway heading machine |
| CN205578020U (en) * | 2016-03-03 | 2016-09-14 | 辽宁工程技术大学 | Formula of taking a step tunnelling supporting device suitable for hard rock tunnelling |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108194080A (en) | 2018-06-22 |
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