CN109899063A - A kind of Efficient safe fluting manipulator and grooving processes - Google Patents
A kind of Efficient safe fluting manipulator and grooving processes Download PDFInfo
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- CN109899063A CN109899063A CN201910237837.0A CN201910237837A CN109899063A CN 109899063 A CN109899063 A CN 109899063A CN 201910237837 A CN201910237837 A CN 201910237837A CN 109899063 A CN109899063 A CN 109899063A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000008569 process Effects 0.000 title claims abstract description 7
- 238000005553 drilling Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000004880 explosion Methods 0.000 claims abstract description 11
- 239000004575 stone Substances 0.000 claims abstract description 10
- 210000000245 forearm Anatomy 0.000 claims description 45
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000003801 milling Methods 0.000 description 8
- 239000003245 coal Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 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 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
A kind of Efficient safe fluting manipulator and grooving processes, including pivoting support, telescopic device is fixed on pivoting support, the vacant end fixed hydraulic motor of telescopic device, hydraulic motor is fixedly connected by transmission case with saw blade, transmission case can Linear transmission Linear transmission and right-angle drive, saw blade is vertical with the axis of shaft when Linear transmission, and saw blade is parallel with shaft axis when right-angle drive；Anti-explosion electric drillstring component is fixed on telescopic device, anti-explosion electric drillstring component includes telescopic hydraulic cylinder and explosion-proof electric drill, and it further includes high pressure water, high pressure water is passed through instantaneous high pressure water into drilling, stone is cleaved that the stone that explosion-proof electric drill is used to separate after fluting, which drills,.Scraper plate is further fixed on telescopic device for rubble to be discharged outside slot.The equipment and technique, equipment cost is low, and maintenance cost is low, easy to operate, and fugitive dust is few.
Description
Technical field
The present invention relates to a kind of manipulators of coal mine down-hole tunnel facade surrounding fluting, and in particular to one kind is in enclosing tunnel
Open the manipulator of deep trouth in the tunnel used when building enclosing wall.
Background technique
In coal mining, it is often necessary to be sealed to tunnel, in order to realize the sealing between goaf and the lane Fu Yun, need
Fire dam is built in connection lane.And in order to guarantee sealing effect, need to open a groove on the coal wall in connection lane, and by being somebody's turn to do
Fire dam is embedded in coal wall by groove, is fully sealed so that realizing between goaf and the lane Fu Yun.
This work is essentially all manual operation, and the slot that depth is not less than 50cm is opened on four sides, on the one hand, work
Efficiency is very low, in addition, construction is often done over again, is difficult to reach estimated depth in each position by hand, is especially opening inverted draw cut
When, difficulty is very high.
Based on this, Chinese patent (CN201420088531.6 explosion-proof type groove milling loading machine) proposes a kind of explosion-proof type groove milling
Loading machine, technical solution are as follows: including vehicle body, wheel；Scraper bowl is installed in the front frame of vehicle body；It further include slotting attachment；Institute
Stating slotting attachment includes rotary shaft, hydraulic telescopic arm, milling digging head；Wherein, rotary shaft is articulated in the Rear frame of vehicle body；It is hydraulic to stretch
The fixing end lateral surface of contracting arm and the rear end face of rotary shaft are fixed；The telescopic end end face that head is installed on hydraulic telescopic arm is dug in milling.
Hydraulically extensible supporting leg is installed in the Rear frame of vehicle body.
Itself it is envisaged that using milling cylinder disposably complete fluting work, but milling cylinder use cutting tooth dig stone
Wall needs very strong rotary power, but tunnel is narrow, and slotting is mini engineering in itself, and project amount is small, therefore is equipped with knot
Structure is simple, and equipment at low cost just meets the needs of fluting unit, and to guarantee the milling requirement of milling cylinder, and dynamical system most rises
The power output of code hydraulic motor will be very big, and equipment cost will be improved will become larger with size.And Construction control is also ineffective
It is living.
Summary of the invention
The object of the present invention is to provide a kind of tunnel of highly effective and safe environmental protection four sides fluting manipulator and grooving processes.
To achieve the goals above, the present invention includes pivoting support, and telescopic device is fixed on pivoting support, telescopic device
Vacant end fixed hydraulic motor, hydraulic motor are fixedly connected by transmission case with saw blade, and transmission case being capable of Linear transmission straight-line transmitting
Dynamic and right-angle drive, saw blade is vertical with the axis of shaft when Linear transmission, and saw blade is parallel with shaft axis when right-angle drive；
Anti-explosion electric drillstring component is fixed on telescopic device, anti-explosion electric drillstring component includes telescopic hydraulic cylinder and explosion-proof electric drill；
The telescopic end of telescopic hydraulic cylinder is directed toward separate mounting rack fixing end, fixes fixed frame on telescopic hydraulic cylinder telescopic end,
The explosion-proof electric drill of multiple uniform intervals settings is fixed on fixed frame, the drill rod axis of explosion-proof electric drill and the axis of telescopic hydraulic cylinder are flat
A feed liquor box is fixed by row, the drilling rod bearing of explosion-proof electric drill, and feed liquor box is connected to by pipeline with high-pressure hydraulic pump, the drilling rod position
In the part in feed liquor box without helicla flute, the top and bottom of drilling rod and feed liquor box pass through sliding ring sealing, drilling rod
Interior to be equipped with coaxial inner hole, drilling rod bottom end is provided with the slanting intercommunicating pore being connected to inner hole, the side of the part in feed liquor box
It is provided with the mesoporous being connected to inner hole on face, and is provided with vertical slot on the part being located in feed liquor box, feed liquor is stretched out in the bottom end of slot
Box is outer and is connected to helicla flute；
Scraper plate is further fixed on telescopic device for rubble to be discharged outside slot.
Further, pivoting support is fixed on lifting assembly, can be realized the lifting of pivoting support, and telescopic component includes
Large arm, big arm hydraulic cylinder, forearm, small arm hydraulic cylinder；
The large arm and the center of rotary support revolving platform are hinged, and it is flat that the rotary part of rotary support is able to drive revolution
Platform horizontally rotates, and rotary support can be as hydraulic rotating support, and structure can be used the slewing equipment of excavator, use liquid
Pressure motor drives gear ring to rotate；
One end of the big arm hydraulic cylinder is hinged with rotary support, and one end is hinged with large arm；Forearm bottom large arm it is vacant
End is hinged；Small arm hydraulic cylinder one end and large arm are hinged, and the bottom end of the other end and forearm is hinged, so as to realize telescopic component
It is flexible；Big arm cylinder is parallel with fore-and-aft plane where the axis extended line of oil cylinder of small arm or is overlapped；
The vacant end of forearm removably positions hydraulic motor, and the side of hydraulic motor passes through angle modulation component and forearm end
Hingedly, hydraulic motor and forearm is enable to adjust angle, the axis of hydraulic motor is parallel with plane where forearm lengths direction；
The vacant end hinge mounting of forearm, mounting rack include two connecting rods, and connecting rod is symmetrical arranged with respect to forearm two sides,
With hingedly, the other end fixes a perpendicular transverse plate for one end, when mounting rack, which turns to, is directed toward forearm front end, transverse plate
Do not contact saw blade；
Telescopic hydraulic cylinder in the anti-explosion electric drillstring component is fixed on transverse plate, telescopic hydraulic cylinder have it is multiple,
Transverse plate is slidably connected a scraper plate far from the side of hydraulic hammer, and the relatively transverse plate of scraper plate can be fixed to each other；
Mounting rack is equipped with the structure fixed with forearm end and middle part, keeps the vacant end of mounting rack and forearm solid
It is fixed, so that the vacant end of mounting rack is directed toward forearm front end, can be also fixedly connected with forearm middle part, fold mounting rack and be close to forearm.
Preferably, the diameter diameter of the saw blade is between 30-50cm, and the thickness of saw blade is within the scope of 3-5mm.
A kind of grooving processes, comprising the following steps: 1) multiple parallel gaps, gap are cut on fluting face using saw blade
Depth is within the scope of 5-15cm, and gap width is within the scope of 3-5mm；
2) gap intersected with step 1) gap is cut on fluting face using saw blade, the angle of intersection is in 70-90 degree model
In enclosing；
3) top surface of the independent stone separated using explosion-proof electric drill from gap pierces its bottom, and piercing depth is drilling rod bottom end
Length to feed liquor cassette bottom face, the length are 1-3cm bigger than gap depth；
4) when feed liquor cassette bottom face contradicts fluting face, unlatching high-pressure hydraulic pump leads to simultaneously to the inner hole of drilling rod and the helicla flute on surface
High pressure water, for hydraulic pressure in 0.7-3Mpa, water flowing is interruption water flowing, and single water flowing market 5-8s is spaced 5-8s；
5) stone smashed is collected using scraper plate and is discharged outside slot；
6) step 1-4 is repeated, until fluting reaches estimated depth.
Preferably, in the step 2 included angle of phase cross-stitch within the scope of 70-90 degree.
The beneficial effects of the present invention are by being converted into continuous surface fluting for disposable fluting apparatus and technique
Equipment and technique reduce difficulty of construction, improve working efficiency, reduce dust, improve the flexibility of controllability and operation, substantially drop
Low equipment cost and maintenance cost.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 disruption elements extended state structural schematic diagram.
Fig. 3 is disruption elements retracted state structural schematic diagram.
Fig. 4 is lifting assembly structural schematic diagram.
Fig. 5 is saw blade component structure diagram.
Fig. 6 is hydraulic motor with respect to the rotatable structural schematic diagram of forearm.
Fig. 7 is anti-explosion electric drillstring component structural schematic diagram.
Fig. 8 is saw blade slotting structure schematic diagram on cliff.
Fig. 9 is explosion-proof electric drill structural schematic diagram.
Specific embodiment
Invention is described in detail with reference to the accompanying drawing.
As shown in figs 1-9, a kind of Efficient safe fluting manipulator, including pivoting support 11, pivoting support are fixed on liter
It comes down to a lower group on part 10, can be realized the lifting of pedestal, further include telescopic component 30, telescopic component 30 is hydraulic including large arm 31, large arm
Cylinder 32, forearm 33, small arm hydraulic cylinder 34；
The large arm 31 and the center of 23 revolving platform of rotary support are hinged, and the rotary part of rotary support 23 is able to drive
Revolving platform horizontally rotates, and rotary support 23 can be as hydraulic rotating support, and the revolution that excavator can be used in structure fills
It sets, drives gear ring to rotate using hydraulic motor；
One end of the big arm hydraulic cylinder 32 and rotary support 23 are hinged, and one end and large arm 32 are hinged；33 bottom of forearm is big
The vacant end of arm 31 is hinged；Small 34 one end of arm hydraulic cylinder and large arm 31 are hinged, and the bottom end of the other end and forearm 33 is hinged, so as to
Enough realize the flexible of telescopic component 30；Fore-and-aft plane where the axis extended line of big arm cylinder 32 and oil cylinder of small arm 34 is parallel or again
It closes；
The vacant end of forearm 33 removably positions hydraulic motor 41, the side of hydraulic motor 41 by angle modulation component with it is small
33 end of arm is hinged, and hydraulic motor and forearm is enable to adjust angle, the axis of hydraulic motor 41 and forearm lengths direction place
Plane is parallel, and the vacant end of the shaft of hydraulic motor 41 is fixedly connected by transmission case with saw blade 42, and transmission case includes Linear transmission
With right-angle drive two ways, saw blade is vertical with the axis of shaft when Linear transmission, and saw blade and shaft axis are flat when right-angle drive
Row.Transmission case can realize right-angle drive by the common mechanism such as bevel gear or universal shaft.
There are many kinds of the implementations of angle modulation component, is led to using the mutually matched turntable for having pin hole
Toning turn over disk angle positions angle modulation using different pin holes.Certainly hydraulic pivoting support or fire-proof motor adjusts to drive
Angle can be with.It why to be because the gap of intersection is opened on the cliff of tunnel, by cliff there are two types of the mode of installation saw blade
It is drawn as mutually discrete fritter unit, as shown in Figure 8.
The vacant end hinge mounting 53 of forearm 33, mounting rack 53 include two connecting rods, and connecting rod is symmetrical with respect to forearm two sides
Setting, one end is hinged with 33, and the other end fixes a perpendicular transverse plate, is directed toward forearm 33 when mounting rack 53 turns to
When front end, transverse plate does not contact saw blade 42, and anti-explosion electric drillstring component is fixed on transverse plate, and anti-explosion electric drillstring component includes telescopic hydraulic cylinder
51 and explosion-proof electric drill 54；Telescopic hydraulic cylinder 51 is fixed on transverse plate, telescopic hydraulic cylinder 51 be preferably formed with it is multiple, no less than two,
The telescopic end of telescopic hydraulic cylinder 51 is directed toward separate 53 fixing end of mounting rack, fixes fixed frame on 51 telescopic end of telescopic hydraulic cylinder, Gu
Determine the explosion-proof electric drill 54 that multiple uniform intervals settings are fixed on frame, the drill rod axis of explosion-proof electric drill 54 and the axis of telescopic hydraulic cylinder 51
Line is parallel, and a feed liquor box 541 is fixed by the drilling rod bearing of explosion-proof electric drill 54, and feed liquor box 541 is connected by pipeline and high-pressure hydraulic pump
Logical, the drilling rod is located at the part in feed liquor box without helicla flute, and the top and bottom of drilling rod and feed liquor box are close by sliding
Seal sealing, drilling rod is interior to be equipped with coaxial inner hole 545, and drilling rod bottom end is provided with the slanting intercommunicating pore being connected to inner hole 545, is located at
It is provided with the mesoporous 543 being connected to inner hole 546 on the side of part in feed liquor box, and is provided on the part being located in feed liquor box perpendicular
To slot, it is outer and be connected to helicla flute that feed liquor box 541 is stretched out in the bottom end of slot.
Mounting rack 53 is equipped with the structure fixed with forearm 33, so that mounting rack and the vacant end of forearm 33 is fixed, makes
Forearm front end is directed toward at the vacant end of mounting rack, can be also fixedly connected with forearm middle part, be folded mounting rack and be close to forearm 33.
The diameter diameter of saw blade 42 is between 30-50cm, and the thickness of saw blade is within the scope of 3-5mm, the power of fire-proof motor
It can also be smaller.
A kind of technique of fluting, step include:
1) multiple parallel gaps are cut on fluting face using saw blade, gap depth is within the scope of 5-15cm, slit width
Degree is within the scope of 3-5mm；
2) gap intersected with step 1) gap is cut on fluting face using saw blade, the angle of intersection is in 70-90 degree model
In enclosing；
3) top surface of the independent stone separated using explosion-proof electric drill from gap pierces its bottom, and piercing depth is drilling rod bottom end
Length to feed liquor cassette bottom face, the length are 1-3cm bigger than gap depth；
4) when feed liquor cassette bottom face contradicts fluting face, unlatching high-pressure hydraulic pump leads to simultaneously to the inner hole of drilling rod and the helicla flute on surface
High pressure water, for hydraulic pressure in 0.7-3Mpa, water flowing is interruption water flowing, and single water flowing market 5-8s is spaced 5-8s；
5) stone smashed is collected using scraper plate and is discharged outside slot；
6) step 1-4 is repeated, until fluting reaches estimated depth.
By step 3 and 4, different rocks can adapt to, brittleness big rock just voluntarily cleaves when drilling rod pierces,
The small rock of brittleness, by being interrupted water flowing, high pressure water is intake from the helicla flute of drilling rod and the inner hole of inside in the hole that drilling rod is beaten
In meet, instantaneous high pressure can be by rock cleavage.Moreover, fluting face is sawn into many small stones by early period, mutually it
Between do not contact, easily can directly be rived by hydraulic pressure or drilling rod very much.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All any modifications in spirit of that invention and principle, made are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
- The manipulator 1. a kind of Efficient safe is slotted, including pivoting support, which is characterized in that fixed flexible dress on pivoting support It sets, the vacant end fixed hydraulic motor of telescopic device, hydraulic motor is fixedly connected by transmission case with saw blade, and transmission case can be straight The transmission of line drive linear and right-angle drive, saw blade is vertical with the axis of shaft when Linear transmission, saw blade and shaft when right-angle drive Axis is parallel；Anti-explosion electric drillstring component is fixed on telescopic device, anti-explosion electric drillstring component includes telescopic hydraulic cylinder and explosion-proof electric drill；The telescopic end of telescopic hydraulic cylinder is directed toward separate mounting rack fixing end, fixes fixed frame on telescopic hydraulic cylinder telescopic end, fixed The explosion-proof electric drill of multiple uniform intervals settings is fixed on frame, the drill rod axis of explosion-proof electric drill and the axis of telescopic hydraulic cylinder are parallel, A feed liquor box is fixed by the drilling rod bearing of explosion-proof electric drill, and feed liquor box is connected to by pipeline with high-pressure hydraulic pump, and the drilling rod is located at Part in feed liquor box is without helicla flute, and the top and bottom of drilling rod and feed liquor box are sealed by sliding ring, in drilling rod Equipped with coaxial inner hole, drilling rod bottom end is provided with the slanting intercommunicating pore being connected to inner hole, the side of the part in feed liquor box On be provided with vertical slot on the part that is provided with the mesoporous being connected to inner hole, and is located in feed liquor box, feed liquor box is stretched out in the bottom end of slot It is connected to outside and with helicla flute；Scraper plate is further fixed on telescopic device for rubble to be discharged outside slot.
- The manipulator 2. Efficient safe according to claim 1 is slotted, which is characterized in that pivoting support is fixed on lifting group On part, the lifting of pivoting support can be realized, telescopic component includes large arm, big arm hydraulic cylinder, forearm, small arm hydraulic cylinder；The large arm and the center of rotary support revolving platform are hinged, and the rotary part of rotary support is able to drive revolving platform water Flat turn is dynamic, and rotary support can be as hydraulic rotating support, and structure can be used the slewing equipment of excavator, use hydraulic horse It is rotated up to gear ring is driven；One end of the big arm hydraulic cylinder is hinged with rotary support, and one end is hinged with large arm；It cuts with scissors at the vacant end of forearm bottom large arm It connects；Small arm hydraulic cylinder one end and large arm are hinged, and the bottom end of the other end and forearm is hinged, so as to realize stretching for telescopic component Contracting；Big arm cylinder is parallel with fore-and-aft plane where the axis extended line of oil cylinder of small arm or is overlapped；The vacant end of forearm removably positions hydraulic motor, and the side of hydraulic motor is cut with scissors by angle modulation component and forearm end It connects, hydraulic motor and forearm is enable to adjust angle, the axis of hydraulic motor is parallel with plane where forearm lengths direction；The vacant end hinge mounting of forearm, mounting rack include two connecting rods, and connecting rod is symmetrical arranged with respect to forearm two sides, one end With it is hinged, the other end fixes a perpendicular transverse plate, when mounting rack turn to be directed toward forearm front end when, transverse plate does not connect Touch saw blade；Telescopic hydraulic cylinder in the anti-explosion electric drillstring component is fixed on transverse plate, telescopic hydraulic cylinder have it is multiple,Transverse plate is slidably connected a scraper plate far from the side of hydraulic hammer, and the relatively transverse plate of scraper plate can be fixed to each other；Mounting rack is equipped with the structure fixed with forearm end and middle part, so that mounting rack and the vacant end of forearm is fixed, makes Forearm front end is directed toward at the vacant end of mounting rack, can be also fixedly connected with forearm middle part, be folded mounting rack and be close to forearm.
- The manipulator 3. Efficient safe according to claim 1 is slotted, which is characterized in that the diameter diameter of the saw blade exists Between 30-50cm, the thickness of saw blade is within the scope of 3-5mm.
- 4. a kind of grooving processes using the Efficient safe fluting manipulator as described in claim 1-3, which is characterized in that 1) Multiple parallel gaps are cut on fluting face using saw blade, gap depth is within the scope of 5-15cm, and gap width is in 3-5mm model In enclosing；2) gap intersected with step 1) gap is cut on fluting face using saw blade, the angle of intersection is within the scope of 70-90 degree；3) top surface of the independent stone separated using explosion-proof electric drill from gap pierces its bottom, pierce depth be drilling rod bottom end into Length between liquid cassette bottom face, the length are 1-3cm bigger than gap depth；4) when feed liquor cassette bottom face contradicts fluting face, unlatching high-pressure hydraulic pump leads to high pressure to the inner hole of drilling rod and the helicla flute on surface simultaneously Water, for hydraulic pressure in 0.7-3Mpa, water flowing is interruption water flowing, and single water flowing market 5-8s is spaced 5-8s；5) stone smashed is collected using scraper plate and is discharged outside slot；6) step 1-4 is repeated, until fluting reaches estimated depth.
- 5. grooving processes according to claim 4, which is characterized in that the included angle of phase cross-stitch exists in the step 2 Within the scope of 70-90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910237837.0A CN109899063A (en) | 2019-03-27 | 2019-03-27 | A kind of Efficient safe fluting manipulator and grooving processes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910237837.0A CN109899063A (en) | 2019-03-27 | 2019-03-27 | A kind of Efficient safe fluting manipulator and grooving processes |
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| Publication Number | Publication Date |
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| CN109899063A true CN109899063A (en) | 2019-06-18 |
Family
ID=66953056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910237837.0A Pending CN109899063A (en) | 2019-03-27 | 2019-03-27 | A kind of Efficient safe fluting manipulator and grooving processes |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605889A (en) * | 2021-06-30 | 2021-11-05 | 天地(榆林)开采工程技术有限公司 | A undercutting device for underworkings |
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| CN103670402A (en) * | 2013-12-13 | 2014-03-26 | 河南理工大学 | Drilling and slotting integrated machine for coal mines |
| CN103790584A (en) * | 2014-02-28 | 2014-05-14 | 中南大学 | Impact-assisted heading machine for hard rock ore exploitation |
| CN103835720A (en) * | 2014-03-11 | 2014-06-04 | 中国矿业大学 | Hard rock crushing system |
| CN204002828U (en) * | 2014-08-23 | 2014-12-10 | 上海科煤机电有限公司 | Saw blade cutting type and breaker combined type development machine |
| CN105239928A (en) * | 2015-09-18 | 2016-01-13 | 中国矿业大学 | Ultrahigh-pressure swirling abrasive water jet drilling machine |
| CN205977217U (en) * | 2016-08-30 | 2017-02-22 | 河南铁福来装备制造股份有限公司 | High low -pressure water flow automatic switching type cuts coal device |
| CN107387077A (en) * | 2017-08-31 | 2017-11-24 | 中国矿业大学 | A kind of compound broken loading device in high working face coal winning machine termination and method of work |
| EP3385499A1 (en) * | 2017-04-04 | 2018-10-10 | Implenia Construction GmbH | Rolling cutter |
| CN210317296U (en) * | 2019-03-27 | 2020-04-14 | 徐州和润起重设备技术有限公司 | Efficient and safe grooving manipulator |
-
2019
- 2019-03-27 CN CN201910237837.0A patent/CN109899063A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670402A (en) * | 2013-12-13 | 2014-03-26 | 河南理工大学 | Drilling and slotting integrated machine for coal mines |
| CN103790584A (en) * | 2014-02-28 | 2014-05-14 | 中南大学 | Impact-assisted heading machine for hard rock ore exploitation |
| CN103835720A (en) * | 2014-03-11 | 2014-06-04 | 中国矿业大学 | Hard rock crushing system |
| CN204002828U (en) * | 2014-08-23 | 2014-12-10 | 上海科煤机电有限公司 | Saw blade cutting type and breaker combined type development machine |
| CN105239928A (en) * | 2015-09-18 | 2016-01-13 | 中国矿业大学 | Ultrahigh-pressure swirling abrasive water jet drilling machine |
| CN205977217U (en) * | 2016-08-30 | 2017-02-22 | 河南铁福来装备制造股份有限公司 | High low -pressure water flow automatic switching type cuts coal device |
| EP3385499A1 (en) * | 2017-04-04 | 2018-10-10 | Implenia Construction GmbH | Rolling cutter |
| CN107387077A (en) * | 2017-08-31 | 2017-11-24 | 中国矿业大学 | A kind of compound broken loading device in high working face coal winning machine termination and method of work |
| CN210317296U (en) * | 2019-03-27 | 2020-04-14 | 徐州和润起重设备技术有限公司 | Efficient and safe grooving manipulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605889A (en) * | 2021-06-30 | 2021-11-05 | 天地(榆林)开采工程技术有限公司 | A undercutting device for underworkings |
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Address after: 221000 99 Xu Hai Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant after: Jiangsu Herun Intelligent Equipment Co., Ltd Address before: 221000 99 Xu Hai Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant before: XUZHOU HERE CRANE EQUIPMENT & TECH Co.,Ltd. |
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