CN209099960U - A kind of upper and lower drill rod mash gas cross drainage drilling machine of novel automation - Google Patents
A kind of upper and lower drill rod mash gas cross drainage drilling machine of novel automation Download PDFInfo
- Publication number
- CN209099960U CN209099960U CN201821690481.3U CN201821690481U CN209099960U CN 209099960 U CN209099960 U CN 209099960U CN 201821690481 U CN201821690481 U CN 201821690481U CN 209099960 U CN209099960 U CN 209099960U
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- drilling machine
- cantilever beam
- drilling
- rack gear
- lead screw
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- 238000005553 drilling Methods 0.000 title claims abstract description 103
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000003245 coal Substances 0.000 claims abstract description 12
- 239000002828 fuel tank Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000032258 transport Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001141 propulsive effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000004047 hole gas Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses drill rod mash gas cross drainage drilling machines above and below a kind of novel automation, by crawler type walking mechanism, workbench, on hold out against hydraulic cylinder, gyrator, clamper, drilling machine hydraulic motor, differential mechanism, upper boring rod set, motor, fuel tank, drilling rod and constitute, the utility model saves a large amount of manpower and material resources, more avoid the presence of security risk, above-mentioned drawback is well solved, it is truly realized unmanned, thoroughly improve the efficiency of the upper and lower drilling rod in underground, efficiency of drilling is improved, coal production efficiency is improved；The utility model transports drilling rod for innovation underground, and artificial upper and lower drilling rod plays initiative effect.
Description
Technical field
The utility model is mainly used for underground coal mine field, and in particular to the novel automation of one kind up and down take out by drill rod mash gas
Put drilling machine.
Background technique
The key equipment that gas drainage drilling rig is handled as fire damp has a wide range of applications in current coal industry,
But its operation process only realizes a degree of mechanization, still needs to worker and carries out a large amount of scene manipulation, especially drilling machine
Transition determines appearance, posture adjustment, the installation and removal of drilling rod, drills, the key links such as the processing of water coal slime.In addition to this, current underground
There is also following defects for common Normal hydraulic drilling machine: one, aperture positioning accuracy is not high.Ordi-nary drilling machine is defeated when aperture positions
Torque, revolving speed and propulsive force are generally all larger out, be easy to cause position of opening to deviate if worker's manipulation is improper, coal seam watt
This final pumping, row's effect are unable to reach target；Two, the adaptive ability for process of drilling is poor.In drilling process, revolution
The torque of device and the propulsive force of apparatus for feeding are mainly controlled by worker, the adjusting of propulsive force and speed mainly by field experience, when
When seam hardness changes, be easy to appear card and turn phenomenon, in addition cause drilling rod to lose, drilling such as scraps at the serious consequences；Three, certainly
Dynamic preventing sticking scarce capacity.Normal hydraulic drilling machine is operated when gas pressure is excessive to lead to bit freezing mainly by artificial judgment, without certainly
Dynamic regulatory function continues to creep into once at this moment worker's manipulation is improper, will destroy the original pressure balance in coal seam, or even cause coal
With gas burst accident.The presence of problems above is brought greatly to the staff for being engaged in down-hole gas sucking releasing operation
Labor intensity and insecurity factor, at the same time, the working efficiency of drilling machine, which also receives, greatly to be restricted.It can be seen that well
The automation and intelligence of lower gas drainage drilling rig can improve underground work condition, realize underground " unmanned ", improve work effect
Rate.
Artificial upper and lower drilling rod is time-consuming and laborious during the various drill hole of drilling machine in underground, perforating at present, averagely dismounts a brill
Bar time-consuming 10 minutes or more, when transition is carried out after drilling a job site at the same time, due to drilling rod quantity compared with
More (500), larger weight is a greatly challenge for manual handling, and above-mentioned all drawbacks are for underground high-efficient
It is a weakness for working efficiency.And it is larger in the artificial dismounting drilling rod security risk in underground, it is careless slightly to will cause seriously
Casualty accident, the thus intelligence, automation of the upper and lower drilling rod of underground drilling machine, unmanned ready to appear.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a kind of novel automatic
Change drill rod mash gas cross drainage drilling machine up and down, key link completes automatic drilling rod up and down by flexible and lead screw the transmission of hydraulic cylinder,
Fully relying on lead screw position cooperation and cantilever beam, hydraulic cylinder in this course, handgrip realizes the crawl and transport of drilling rod, this
Process avoids the operation such as artificial taking and placing, carrying, saves a large amount of manpower and material resources, more avoids the presence of security risk, very
It solves above-mentioned drawback well, is truly realized unmanned, thoroughly improve the efficiency of the upper and lower drilling rod in underground, improve
Efficiency of drilling, improves coal production efficiency.
The technical scheme adopted by the utility model is that:
A kind of novel automation drill rod mash gas cross drainage drilling machine up and down, by crawler type walking mechanism, workbench, on hold out against liquid
Cylinder pressure, gyrator, clamper, drilling machine hydraulic motor, differential mechanism, upper boring rod set, motor, fuel tank, drilling rod are constituted；Wherein, work
It is mounted on crawler type walking mechanism as platform, is among it interior sky, for placing upper boring rod set and turntable, the turntable
On be disposed with gyrator, clamper, drilling machine hydraulic motor, differential mechanism, fuel tank；The motor is fixedly mounted on the table,
For the power resources of drilling machine, power is provided for crawler type walking mechanism when walking；Hydraulic cylinder is held out against on described is fixedly mounted on work
Make on platform, when drilling machine reaches operating position, above holds out against hydraulic cylinder start-up operation, rise top to the steady of tunnel top braces drilling machine
It is fixed；The differential mechanism promotes torque for reducing drilling machine hydraulic motor rotary speed, and the clamper is used for the positioning of drilling rod, clamping
Concentric, gyrator, which is rotated and moved forward, makes drilling rod on coal wall by clamper in the hole of device and gyrator；On described
Boring rod set by Double-layer sliding rail, preceding single track, middle single track, upside lead screw, downside lead screw, hydraulic cylinder, hydraulic stem, rack gear cantilever beam,
Handgrip, gear, hydraulic motor, motor are constituted, and lateral filament thick stick, peace in lower layer's sliding rail are installed in the upper layer sliding rail of the Double-layer sliding rail
Lateral filament thick stick is loaded, preceding single track, middle single track are installed in the end of Double-layer sliding rail respectively, and two vertical rails of Double-layer sliding rail can be distinguished
Carry out left and right transverse movement along horizontal slide rail thereon, preceding single track, middle single track, upside lead screw, downside lead screw power resources in
Motor is separately installed with hydraulic cylinder on the upside lead screw, downside lead screw, there is a rack gear cantilever beam, rack gear cantilever on hydraulic cylinder
Beam edge is rack gear, and rack gear cantilever beam is connect by hydraulic stem with hydraulic cylinder, and specially hydraulic stem is fixedly connected with hydraulic cylinder, liquid
Compression bar is connect by T-slot with rack gear cantilever beam, and rack gear cantilever beam can slide over and rotate in hydraulic stem along T-slot, hydraulic
Motor and hydraulic stem are fixed together by fixed plate, hydraulic motor output end equipped with can axial float gear, gear axially alters
Dynamic power section is in parallel with hydraulic motor, is controlled by Multi-position electromagnetic valve, axial float is realized, when on wheel and rack cantilever beam
When square gear engages, cantilever beam rotation function is realized, below wheel and rack cantilever beam when rack gear engagement, realize cantilever Liangping
Shifting function has a universal joint on rack gear cantilever beam, is equipped with a handgrip thereon, completes the clamping of drilling rod and unclamps two processes.
Preferably, have sliding slot on the downside of the described rack gear cantilever beam, the fixed rotation of gear, rack gear cantilever beam with gear just
It inverts and is moved forward and backward.
Preferably, the handgrip is made of spring, pin and two clamp hands, and two clamp hands can be completed around pin rotation
Drilling rod clamps and unclamps two processes, is connected between clamp hand by spring, keeps clamp hand in clamped condition.
Preferably, the biggish material of frictional force is used on the inside of the clamp hand.
The utility model beneficial effect is: the utility model saves a large amount of manpower and material resources, more avoids security risk
Presence, well solved above-mentioned drawback, be truly realized unmanned, thoroughly improved the upper and lower drilling rod in underground
Efficiency improves efficiency of drilling, and improves coal production efficiency；The utility model transports drilling rod for innovation underground, manually go up,
Lower drilling rod plays initiative effect.
Detailed description of the invention
Fig. 1 is the utility model embodiment structural schematic diagram；
Fig. 2 is the utility model embodiment shaft side figure；
Fig. 3 is that the utility model embodiment plays areole schematic diagram；
Fig. 4 beats areole for the utility model embodiment and is shown with certain angle schematic diagram；
Fig. 5 is the utility model embodiment topping hole schematic diagram；
Fig. 6 is the utility model embodiment partial structural diagram；
Fig. 7 is the utility model embodiment sliding rail Local map；
Fig. 8 is that the utility model embodiment plays top-portion apertures schematic diagram；
Fig. 9 is the utility model embodiment rack gear cantilever beam Local map；
Figure 10 is the utility model embodiment handgrip partial view；
In figure:
1, crawler type walking mechanism；2, workbench；2-1, turntable；3, hydraulic cylinder is held out against on；4, gyrator；5, it clamps
Device；6, drilling machine hydraulic motor；7, differential mechanism；8, upper boring rod set；8-1, Double-layer sliding rail；8-2, preceding single track；8-3, middle single track；8-
4, upside lead screw；8-5, downside lead screw；8-6, hydraulic cylinder；8-7, hydraulic stem；8-8, rack gear cantilever beam；8-9, handgrip；8-9a, bullet
Spring；8-9b, pin；8-9c, clamp hand；8-10, gear；8-1, hydraulic motor；8-12, motor；9, motor；10, fuel tank；11, it bores
Bar.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawing.
Embodiment
A kind of novel automation drill rod mash gas cross drainage drilling machine up and down, as shown in Figure 1, 2, 3, by crawler type walking mechanism 1,
Workbench 2, on hold out against hydraulic cylinder 3, gyrator 4, clamper 5, drilling machine hydraulic motor 6, differential mechanism 7, upper boring rod set 8, motor
9, fuel tank 10, drilling rod 11 are constituted；Wherein, workbench 2 is mounted on crawler type walking mechanism 1, is among it interior sky, for placing
Be disposed on upper upper boring rod set 8 and turntable 2-1, the turntable 2-1 gyrator 4, clamper 5, drilling machine hydraulic motor 6,
Differential mechanism 7, fuel tank 10；The motor 9 is fixedly mounted on workbench 2, is the power resources of drilling machine, is crawler type when walking
Walking mechanism provides power；Hydraulic cylinder 3 is held out against on described to be fixedly mounted on workbench 2, when drilling machine reaches operating position,
On hold out against hydraulic cylinder 3 start-up operation, rise top arrive tunnel top braces drilling machine stabilization；The differential mechanism 7 is for reducing drilling machine
6 revolving speed of hydraulic motor, promotes torque, and the clamper 5 is used for the positioning of drilling rod 11, the Kong Tong of clamper 5 and gyrator 4
Axle center, gyrator 4, which is rotated and moved forward, makes drilling rod 11 on coal wall by clamper 5；The upper boring rod set 8 is by bilayer
Sliding rail 8-1, preceding single track 8-2, middle single track 8-3, upside lead screw 8-4, downside lead screw 8-5, hydraulic cylinder 8-6, hydraulic stem 8-7, rack gear
Cantilever beam 8-8, handgrip 8-9, gear 8-10, hydraulic motor 8-11, motor 8-12 are constituted, as shown in fig. 7, the Double-layer sliding rail 8-
Lateral filament thick stick 8-4 is installed in 1 upper layer sliding rail, installation downside lead screw 8-5 in lower layer's sliding rail, as shown in fig. 6, Double-layer sliding rail 8-1
End install respectively before single track 8-2, middle single track 8-3, two vertical rails of Double-layer sliding rail 8-1 can be respectively along cross thereon
Left and right transverse movement is carried out to sliding rail, preceding single track 8-2, middle single track 8-3, as shown in fig. 7, upside lead screw 8-4, downside lead screw 8-5
Power resources in motor 8-12, as shown in figure 8, being separately installed with hydraulic cylinder on the upside lead screw 8-4, downside lead screw 8-5
There is a rack gear cantilever beam 8-8 on 8-6, hydraulic cylinder 8-6, the edge rack gear cantilever beam 8-8 is rack gear, and rack gear cantilever beam 8-8 passes through liquid
Compression bar 8-7 is connect with hydraulic cylinder 8-6, and specially hydraulic stem 8-7 is fixedly connected with hydraulic cylinder 8-6, and hydraulic stem 8-7 passes through T-slot
It is connect with rack gear cantilever beam 8-8, rack gear cantilever beam 8-8 can slide over and rotate in hydraulic stem 8-7 along T-slot, hydraulic motor
8-11 and hydraulic stem 8-7 is fixed together by fixed plate, hydraulic motor 8-11 output end equipped with can axial float gear 8-
10, the power section of gear axial float is in parallel with hydraulic motor 8-1, is controlled by Multi-position electromagnetic valve, realizes axial float, such as schemes
Shown in 9, there is sliding slot on the downside of the rack gear cantilever beam 8-8, the fixed rotation of gear 8-10, rack gear cantilever beam 8-8 is with gear 8-
10 positive and negative then back-and-forth motion realizes cantilever beam rotational work when gear 8-10 is engaged with rack gear cantilever beam 8-8 top cog
Can, when gear 8-10 is engaged with rack gear below rack gear cantilever beam 8-8, realize cantilever beam translation functions, rack gear cantilever beam 8-8
On have a universal joint, a handgrip 8-9 is installed thereon, as shown in Figure 10, the handgrip 8-9 is by spring 8-9a, pin 8-9b
It is formed with two clamp hand 8-9c, two clamp hand 8-9c can be rotated around pin 8-9b, completed the clamping of drilling rod 11 and unclamped two mistakes
Journey.
Above-described embodiment is mainly used for gas drainage drilling rig underground and automates drilling rod up and down, it is main consider drilling machine beat side opening with
Two kinds of situations of roof hole, wherein each case all corresponds to the hole of different angle.
Drilling rod is as shown in Figure 4 on areole: when drilling machine drives to the position for beating gas extraction hole, crawler type walking mechanism
1 stop motion above holds out against hydraulic cylinder 3 and stretches out fixed drilling machine, and at this time under the action of drilling machine hydraulic motor 6, drilling machine slideway stretches out,
Upside lead screw 8-4, downside lead screw 8-5 are run out through lead screw transmission under motor 8-12 effect by initial position, including bilayer
The upper lower leading screw of the horizontal slide rail position of sliding rail 8-1 moves out, and after reaching position, turntable 2-1 is rotated by 90 °, drilling machine
Drilling rod 11 is put on handgrip 8-9, perpendicular to wall according to the center of gyrator 4 and clamper 5 by gyrator 4 and clamper 5
The overhang of two hydraulic cylinder 8-6 of axis trimming passes through on upside lead screw 8-4, downside lead screw 8-5 at this time to reach respective angles
Lead screw transmission setting in motion, by two hydraulic cylinder 8-6 with extreme position is sent to, gyrator is just arrived in the stretching of cantilever beam 8-8 at this time
4, the middle position of clamper 5, the Forward of gyrator 4 step up drilling rod 11, and then hydraulic cylinder 8-6, which is fallen, transports next drilling rod
11, while gyrator 4 continues Forward bar of drilling and is moved back into initial position after gyrator 4 after saying that drilling rod throws wall into, it is hydraulic
Cylinder 8-6 continues to transport next drilling rod 8-11, so recycles, until reaching working condition requirement, lower drilling rod moves in turn.
Drilling rod such as Fig. 5 on roof hole: when drilling machine drives to the position for beating gas extraction hole, crawler type walking mechanism 1 stops
It only moves, above holds out against hydraulic cylinder 3 and stretch out fixed drilling machine, under the action of drilling machine hydraulic motor 6, drilling machine slideway stretches out, downside lead screw
8-5 is run out through lead screw transmission under motor 8-12 effect by initial position, the horizontal slide rail position including Double-layer sliding rail 8-1
Downside lead screw 8-5 move out, after reaching position, turntable 2-1 and operating mechanism are angled, with workbench at 0
~90 °, drilling rod is put on handgrip 8-9, the downside lead screw 8-5 of the horizontal slide rail position of Double-layer sliding rail 8-1 is first rotated, rotation
It postpones in place, upside lead screw 8-4 is rotated further by, and the coordinated movement of various economic factors, is avoided interference with, and Double-layer sliding rail 8-1 erects rail upper and lower sides lead screw 8-5 and turns
Dynamic, at this point, cantilever beam 8-8 is moved back and avoided interference with, two hydraulic cylinder 8-6 move to 2 side of workbench, and cantilever beam 8-8 is revolved again
Turn, make cantilever beam 8-8 perpendicular to gyrator 4, hydraulic cylinder 8-6 carries out adjusting height, reaches corresponding angle, and extend, and reaches work
Make face, cantilever beam 8-8 moves forward to extreme position, right up to before the central axis gyrator 4 of gyrator 4 and clamper 5
Shifting steps up drilling rod 11, and hydraulic cylinder 8-6 is fallen, and cantilever beam 8-8 is moved back, and upside lead screw 8-4 is under motor effect through lead screw transmission
It runs out by initial position, then the upside lead screw 8-4 in horizontal slide rail is moved out, and downside lead screw 8-5 is also travelled at this time
Out, next drilling rod 11 is transported after reaching position, while gyrator 4 continues Forward and drills bar, when saying that drilling rod throws wall into
Afterwards, initial position is moved back into after gyrator 4, hydraulic cylinder 8-6 continues to transport next drilling rod, so recycles, until reaching operating condition
It is required that.
Claims (4)
1. a kind of novel automation drill rod mash gas cross drainage drilling machine up and down, it is characterised in that by crawler type walking mechanism, workbench,
On hold out against hydraulic cylinder, gyrator, clamper, drilling machine hydraulic motor, differential mechanism, upper boring rod set, motor, fuel tank, drilling rod constitute；
Wherein, workbench is mounted on crawler type walking mechanism, is among it interior sky, for placing boring rod set and turntable,
Gyrator, clamper, drilling machine hydraulic motor, differential mechanism, fuel tank are disposed on the turntable；The motor is fixedly mounted on work
Make on platform, is the power resources of drilling machine, provides power for crawler type walking mechanism when walking；Hydraulic cylinder is held out against on described to fix
It is installed on the workbench, when drilling machine reaches operating position, above holds out against hydraulic cylinder start-up operation, rise top and arrive tunnel top braces
The stabilization of drilling machine；The differential mechanism promotes torque for reducing drilling machine hydraulic motor rotary speed, and the clamper is determined for drilling rod
Position, concentric, gyrator, which rotate and moved forward, to be made drilling rod pass through clamper to beat on coal wall for the hole of clamper and gyrator；
The upper boring rod set is hanged by Double-layer sliding rail, preceding single track, middle single track, upside lead screw, downside lead screw, hydraulic cylinder, hydraulic stem, rack gear
Arm beam, handgrip, gear, hydraulic motor, motor are constituted, and lateral filament thick stick is installed in the upper layer sliding rail of the Double-layer sliding rail, and lower layer is sliding
Installation downside lead screw in rail, preceding single track, middle single track, two vertical rails of Double-layer sliding rail are installed in the end of Double-layer sliding rail respectively
Can left and right transverse movement, the power of upside lead screw, downside lead screw be carried out along horizontal slide rail thereon, preceding single track, middle single track respectively
From motor, it is separately installed with hydraulic cylinder on the upside lead screw, downside lead screw, there is a rack gear cantilever beam, tooth on hydraulic cylinder
Cantilever beam edge is rack gear, and rack gear cantilever beam is connect by hydraulic stem with hydraulic cylinder, and specially hydraulic stem is fixed with hydraulic cylinder
Connection, hydraulic stem are connect by T-slot with rack gear cantilever beam, and rack gear cantilever beam can slide over and turn in hydraulic stem along T-slot
Dynamic, hydraulic motor and hydraulic stem are fixed together by fixed plate, hydraulic motor output end equipped with can axial float gear, gear
Axial float power section is in parallel with hydraulic motor, is controlled by Multi-position electromagnetic valve, realizes axial float, when wheel and rack is outstanding
When arm beam top cog engages, cantilever beam rotation function is realized, below wheel and rack cantilever beam when rack gear engagement, realize outstanding
Arm Liangping shifting function has a universal joint on rack gear cantilever beam, is equipped with a handgrip thereon, completes the clamping of drilling rod and unclamps two
Process.
2. drilling machine according to claim 1, it is characterised in that have sliding slot, the fixed rotation of gear on the downside of the rack gear cantilever beam
Turn, rack gear cantilever beam is with the positive and negative of gear then is moved forward and backward.
3. drilling machine according to claim 1 or 2, it is characterised in that the handgrip is by spring, pin and two clamp hand groups
At two clamp hands can complete drilling rod clamping and unclamp two processes, be connected between clamp hand by spring, make to press from both sides around pin rotation
Hand is in clamped condition.
4. drilling machine according to claim 3, it is characterised in that use the biggish material of frictional force on the inside of the clamp hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690481.3U CN209099960U (en) | 2018-10-18 | 2018-10-18 | A kind of upper and lower drill rod mash gas cross drainage drilling machine of novel automation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690481.3U CN209099960U (en) | 2018-10-18 | 2018-10-18 | A kind of upper and lower drill rod mash gas cross drainage drilling machine of novel automation |
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| Publication Number | Publication Date |
|---|---|
| CN209099960U true CN209099960U (en) | 2019-07-12 |
Family
ID=67155580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821690481.3U Withdrawn - After Issue CN209099960U (en) | 2018-10-18 | 2018-10-18 | A kind of upper and lower drill rod mash gas cross drainage drilling machine of novel automation |
Country Status (1)
| Country | Link |
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| CN (1) | CN209099960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296314A (en) * | 2018-10-18 | 2019-02-01 | 广西科技大学 | A kind of upper and lower drill rod mash gas cross drainage drilling machine of novel automation |
| CN111075366A (en) * | 2019-12-05 | 2020-04-28 | 中煤科工集团西安研究院有限公司 | Device and method for post-centralizing drill rod of tunnel drilling rig and automatically loading and unloading water |
| CN112832846A (en) * | 2021-02-05 | 2021-05-25 | 枣庄科技职业学院 | Extraction device and extraction method for extracting gas in old goaf of coal mine |
-
2018
- 2018-10-18 CN CN201821690481.3U patent/CN209099960U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296314A (en) * | 2018-10-18 | 2019-02-01 | 广西科技大学 | A kind of upper and lower drill rod mash gas cross drainage drilling machine of novel automation |
| CN109296314B (en) * | 2018-10-18 | 2024-01-26 | 广西科技大学 | Novel automatic drilling rod gas drainage rig from top to bottom |
| CN111075366A (en) * | 2019-12-05 | 2020-04-28 | 中煤科工集团西安研究院有限公司 | Device and method for post-centralizing drill rod of tunnel drilling rig and automatically loading and unloading water |
| CN112832846A (en) * | 2021-02-05 | 2021-05-25 | 枣庄科技职业学院 | Extraction device and extraction method for extracting gas in old goaf of coal mine |
| CN112832846B (en) * | 2021-02-05 | 2023-03-14 | 枣庄科技职业学院 | Extraction device and extraction method for extracting gas in old goaf of coal mine |
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