EP2415881B1 - Haltevorrichtung für eine Bohrstange einer Stichlochbohrmaschine sowie Verfahren zum Entfernen einer Bohrstange - Google Patents
Haltevorrichtung für eine Bohrstange einer Stichlochbohrmaschine sowie Verfahren zum Entfernen einer Bohrstange Download PDFInfo
- Publication number
- EP2415881B1 EP2415881B1 EP10171867.4A EP10171867A EP2415881B1 EP 2415881 B1 EP2415881 B1 EP 2415881B1 EP 10171867 A EP10171867 A EP 10171867A EP 2415881 B1 EP2415881 B1 EP 2415881B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drill rod
- gripping device
- claws
- holding apparatus
- stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/12—Opening or sealing the tap holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/21—Arrangements of devices for discharging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/26—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/04—Ram or pusher apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1509—Tapping equipment
- F27D3/1527—Taphole forming equipment, e.g. boring machines, piercing tools
Definitions
- the invention relates to a holding device for a boring bar of a taphole drilling machine with the features of claim 1 and to a method for removing a boring bar from a boring bar receptacle of a taphole drilling machine having the features of claim 15.
- Tap hole drilling machines are well known from the prior art and essentially serve to open a melt channel by drilling a blast furnace wall of a blast furnace.
- the known tap hole drilling machines are essentially formed of a frame with a drilling and striking mechanism arranged thereon.
- the drills and drums have a boring bar adapter for connecting a drill pipe several meters long.
- the frame is designed in the manner of a carriage and, for example, rotatably and pivotably mounted so that it can be moved in front of a taphole of a blast furnace in a provided for a hole position.
- the frame is also regularly with a front end a fastening device firmly fixed to the blast furnace.
- a relatively large feed force can be applied during a drilling process via the boring bar.
- the drilling and percussion mechanism causes a rotation of the drill rod together with a recurring impact pulse in the manner of a hammer drill.
- An advance of the drill rod is carried out by a feed movement of the drilling and hammer mechanism in the longitudinal direction of the frame, so that the drill rod can penetrate deeper and deeper into the wall of the blast furnace. Since a boring bar can be several meters long, it is necessary to loosely support the boring bar at the front end of the rack.
- various devices are known from the prior art, which are designed so that the drill rod can be easily changed, as well as learns a guide that ensures unobstructed rotation and feed the drill rod in any case.
- a taphole drill that works on the lost rod procedure.
- a drilling and hammer mechanism with a boring bar receptacle can be provided on the taphole drilling machine.
- a gripping device is further arranged on a movable carriage on the frame of the taphole drill. The gripping device serves to guide the drill rod when driving into the taphole.
- the WO 2010/094571 A1 shows a tap hole drilling machine which has a Bohrstangen Adjustment and a centering device. With the drill rod guide and the centering a guide of the drill rod during driving and pulling out of a tap hole is effected.
- the GB 2260189 A also describes a tap hole drilling machine with a drilling and striking mechanism, a boring bar and a gripping device for holding the boring bar.
- the gripping device is also designed here for guiding the drill rod and does not allow it to be fixed to a frame of the taphole drill.
- FIG. 1 Another taphole drilling machine for use with a lost rod discloses the DE 42 07 491 A1 , Here, for a propulsion of the rod or for pulling out of a tap hole a drilling and striking mechanism, which can also serve for use with a boring bar and a gripping device is used.
- the gripping device is movably formed in a frame of the taphole drilling machine and has clamping elements with which the rod is fixed to a frame. An insertion or extraction of the rod from the needle hole is done by alternately clamping or moving the rod with the drilling and striking mechanism and the gripping device.
- the EP 0 064 644 A1 concerns a similar tap hole drilling machine with a lost rod and a drilling and striking mechanism, here a gripping device only serves to guide the rod when pulling it out of a needle hole.
- the present invention is therefore based on the object of proposing a holding device for a boring bar of a taphole drilling machine and a method for removing a boring bar from a boring bar receptacle of a taphole drilling machine which does not require manual handling for removing a boring bar from a boring bar receptacle, wherein the holding device nevertheless should be particularly simple.
- the invention relates to a holding device for a boring bar of a taphole drilling machine, wherein the taphole drilling machine has a frame with a movably arranged drilling and striking mechanism, wherein the drilling and striking mechanism has a boring bar receptacle for connecting the boring bar, wherein a gripping device of the holding device is arranged on the frame is, wherein the gripping device for supporting the boring bar relative to the Bohrstangenfact, and wherein by means of the gripping device, the boring bar is fixed to the frame, wherein the holding device comprises a drive means which can cause pivoting of the gripping device, wherein the gripping device comprises claws, wherein the Claws may be so far apart in an open position, such that the drill rod is released, wherein the claws can engage around the drill rod in a closed position, such that the boring bar is guided by the claws, and w obei the jaws can embrace the drill rod in a clamping position, such that the drill rod between the claws force and / or positively fixed.
- the gripping device fix the boring bar relative to the frame at this rotationally fixed or fix so that a feed movement of the boring bar is no longer possible.
- the drill rod should have jammed in the Bohrstangenamide, thus no additional tool or personnel is required because a tool for holding or clamping the boring bar provided by the gripping device, or is formed.
- the fixation of the drill rod relative to the frame it is basically irrelevant at which point of the frame, the drill rod is fixed.
- the gripping device is arranged on an end of the frame which faces a stitch hole and is opposite the drilling and impact mechanism.
- the gripping device can then be designed so that it also serves to guide the drill rod.
- a possibly eccentric or eccentric running of the boring bar when drilling a blast furnace wall can be avoided.
- the gripping device may, for example, comprise clamping elements which can positively and / or positively fix the boring bar.
- the clamping elements can be designed so that they clamp the drill rod by means of frictional engagement.
- An intended for installation on the drill rod Surface of the clamping elements can be provided, for example, with a toothing.
- the clamping elements may also have pointed or wedge-shaped projections which can penetrate positively into a surface of the drill rod.
- the gripping device on claws which can embrace the boring bar, such that the boring bar is guided by the claws.
- the claws can serve as a guide for the boring bar, without any fixation of the boring bar by means of the claws.
- the claws may be such that they are pivotable in addition to an enclosure of the drill rod so that the drill rod is released by the Klausen and is easily replaceable.
- the clamping elements are respectively arranged on the jaws and firmly connected thereto. Depending on the position of the jaws relative to the drill rod, the clamping elements can firmly abut against this and thus fix the boring bar, or be spaced from the boring bar, so that the boring bar is guided between the claws.
- the function of the clamping elements can be adjusted so easily over a distance of the jaws relative to the drill rod.
- the holding device a drive device which can cause a pivoting of the gripping device in an open, close, or clamping position.
- an open position for example, claws can be spaced apart from one another such that no guidance of the drill rod between the claws takes place and the boring bar can be easily removed.
- a closed position the jaws surround the drill rod so far that the drill rod is guided between the jaws, and in a clamping position, the jaws can be approximated as far as the drill rod that the drill rod between the jaws or between attached to the jaws clamping elements and / or positively fixed.
- the drive device can enable a simple, automated and possibly automated transfer of the gripping device into these positions.
- the drive unit may be formed of a lever gear, a drive shaft and an actuating cylinder, wherein the actuating cylinder is coupled to the drive shaft such that the drive shaft is rotatable by means of the confirmation cylinder, and wherein the drive shaft is so coupled to the lever gear, the lever mechanism by means of Drive shaft can cause the pivoting of the gripping device.
- the actuating cylinder may be a hydraulic cylinder which rotates or pivots the drive shaft at a certain angle of rotation. This rotation of the drive shaft can be further transmitted to the lever gear, so that the lever mechanism causes an actuation of the gripping device.
- the opening, closing, or clamping position can be adjusted by different rotational angle positions of the drive shaft.
- the use of a drive shaft allows a spatial separation of gripping device and actuating cylinder, since the actuating cylinder should be protected from the influence of temperature and removed as far as possible from the blast furnace wall.
- the holding device can have an adjusting device by means of which the closing or clamping position can be adjusted.
- a stop for limiting a rotation of the drive shaft can be formed between the drive unit and the adjusting device.
- the drive shaft is then rotatable by means of the actuating cylinder only up to a certain angle of rotation until the closing or the clamping position of the gripping device is reached.
- the stop may for example also include a screw that allows fine adjustment of the stop.
- crank lever may, for example, be rigidly secured to one end of the drive shaft, wherein the actuating cylinder can engage one end of the crank lever and pivot it about the drive shaft.
- the stop can be particularly easily formed between the crank lever and the adjusting device. The stop can then easily limit a pivoting movement of the crank lever and thus a rotational angle of the drive shaft.
- the adjustment can have a stop element for forming the stop, wherein the stop element may have a closing stop for forming the closed position and a clamping stop to form the clamping position, wherein the stop element between a closing or Clamping position is movable, such that the closing stop or optionally the clamping stop forms the stop.
- the stop element can therefore form two stops, which, depending on the desired position of the gripping device, the respectively suitable stop of the stop element is used.
- the stop element can be formed, for example, as a rod which forms the closing stop and the clamping stop and can be moved along its longitudinal axis so that the closing stop or the clamping stop is used as a stop.
- the thus formed stop can then limit a rotational angle of the drive shaft, or set and allows a selection between the closing or clamping position of the gripping device by a simple displacement of the stop element.
- the closing or clamping stop can be formed by dispensing with a physical formation of one of these stops on the setting device. The relevant stop can then be formed by the maximum stroke of the actuating cylinder.
- the adjusting device may comprise a spring, by means of which the stop element is movable into the closed position. This can be ensured that, if no specific position was selected by means of the adjustment, always the closing stop forms the stop and the gripping device is in the closed position.
- the spring may be formed as a tension or compression spring, which causes a displacement or related movement of the adjusting.
- the adjusting device has a locking unit, by means of which the stop element can be locked in the closed or clamping position.
- the locking unit may for example be formed from a lever element which is locked or pivoted in a respective desired position of the stop member so that the locking unit fixes the stopper member positively and prevents the same unwanted displacement.
- the tap hole boring machine has a frame with a drilling and impact mechanism arranged thereon, wherein the boring and striking mechanism has the boring bar receptacle for connecting the boring bar, wherein a gripping device is arranged on the frame wherein the gripping device supports the drill rod relative to the drill rod receiver, the gripper comprising claws (30), the claws engaging around the drill rod in a closed position, such that the drill rod is guided by the claws, the claws engaging around the drill rod in a clamping position in such a way that the drill rod is clamped between the jaws, wherein the drill rod is firmly fixed to the frame by means of the gripping device, and wherein the drill rod receiver is in a direction opposite to the feed direction relative to the gripper device Direction is moved so that the drill rod is removed from the Bohrstangenfacta, and wherein the claws are spaced in an open position so far apart that the boring bar is released
- the tap hole drilling machine 10 has a base 12 and a positioning device 13 for moving and positioning a frame 14 arranged thereon with a boring bar 15 and a boring and percussion mechanism 16.
- the boring bar 15 is inserted into a boring bar receptacle 17 of the boring and striking mechanism 16 and can be pushed forwards or backwards by a longitudinal movement of the boring and striking mechanism along the frame 14 in the direction of the blast furnace wall 11.
- a fastening device 19 is arranged at a front end 18 of the frame 14, which fixes the frame 14 fixed to a holder 20 on the blast furnace wall 11. In particular, a precise tap hole can be performed.
- a gripping device 21 is also arranged with a lever mechanism 22, wherein the lever mechanism 22 is connected via a drive shaft 23 with a not visible here actuating cylinder under a protective cover 24. Further, an adjusting device 25 is arranged at a rear end 26 of the drive shaft 23. The adjusting device 25 forms, together with the gripping device 21 and the lever mechanism 22, the drive shaft 23 and the actuating cylinder, a holding device 27 for the boring bar 15.
- the boring bar 15 In the event that the boring bar 15 can not readily be removed from the boring bar receptacle 17, especially if it is jammed by plastic deformation in the boring bar receptacle 17, the boring bar 15 is clamped by means of the gripping device 21 to a front end 28 of the boring bar 15 and so firmly fixed relative to the frame 14.
- the drilling and striking mechanism 16 is now moved in the direction of a rear end 29 of the frame 14 or pushed back so that the boring bar 15 is pulled out of the boring bar receptacle 17 by this relative movement.
- Fig. 2a to 2c respectively.
- Fig. 3a to 3c show several views of the gripping device 21, which is essentially formed from claws 30 and clamping elements 31.
- the claws 30 are arranged relative to an axis of symmetry 32 of the gripping device 21 about axes 33 pivotally.
- the lever mechanism 23, not shown in this view, is connected via joints 34 with the claws 30.
- the drill rod 15 is received in the positions shown here in each case of the gripping device 21 between the jaws 30 so that they can not fall out.
- the claws 30 can each be pivoted about the axes 33 so that the drill rod 15 is released.
- the Fig. 2a or 3a show a clamping position of the gripping device 21, the Fig.
- the claws 30 may be moved slightly apart so that the jaw spacing a is increased and a gap 37 is formed between the jaws 35 and the boring bar 15.
- the drill rod 15 can then rotate in the gripping device 21 for a drilling operation and be advanced in the axial direction.
- the gripping device 21 fulfills in this Position a leadership function. If the two clamping elements 31 are worn, they can be easily disassembled and replaced by means of screws 38 from the claws 30.
- FIG. 4 to 8 shows a closer view of the adjustment 25.
- the under the protective cover 24 located actuating cylinder 39 is connected via a hinge 40 with a crank lever 41, which in turn is fixedly connected to the drive shaft 23.
- a movement of the actuating cylinder 39 thus enables a rotation of the drive shaft 23 by a rotation angle ⁇ , as from Fig. 4 seen.
- On the crank lever 41 an adjusting screw 42 is further attached, here together with a stop element 43 of the adjusting device 25, a stop or closing stop 47 is formed.
- the stop element 43 is formed as a rod 45 with a square cross-section and mounted longitudinally movably in a matching trained guide profile 46.
- the closing stop 47 is designed to bear the adjusting screw 42 or a clamping stop not visible here.
- a spring 49 is fixed to a front end 50 of the rod 45 so that the rod 45 in the in the 6 and 7 shown closed position of the stop element 43 is pulled.
- a lever 52 is further arranged on an axis 53 on the rod 45, and rotatably connected thereto.
- the axis 53 is inserted into a central bore 54 in the rod 45 and secured by means of an eyelet screw 55.
- the eyelet screw 55 also serves to fasten the spring 49.
- the adjustment device 45 By a movement of the lever in the here in the 6 and 7 shown with dashed lines clamping position of the stop member 43, the rod 45 is displaced against a spring force of the spring 49 in the direction of the rear end 51 so in the guide section 46 that the clamp stop is formed.
- the adjustment device 45 further has an operator panel 56, which can take an operator from the respective position of the lever 52 or the closed or clamping position of the gripping device 21.
- the lever 52 can continue to be pivoted about a Lekssache 57 of the rod 45, that the lever 52 can lock the rod 45 in the respective position or position.
- the Fig. 9 shows a further embodiment of an adjustment 58, which has a lever 59 with a control panel 60, in contrast to the adjustment device described above.
- the operation panel 60 two grooves 61 are formed, and the lever 59 can be respectively inserted by pivoting about the longitudinal axis 57 in the grooves 61, so that a respective position of the rod 45 by means of the lever 59 and the control panel 60 can be positively fixed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Earth Drilling (AREA)
- Blast Furnaces (AREA)
- Percussive Tools And Related Accessories (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10171867.4A EP2415881B1 (de) | 2010-08-04 | 2010-08-04 | Haltevorrichtung für eine Bohrstange einer Stichlochbohrmaschine sowie Verfahren zum Entfernen einer Bohrstange |
RU2013105617/02A RU2559617C2 (ru) | 2010-08-04 | 2011-07-20 | Машина для расточки летки доменной печи и способ удаления борштанги из такой машины |
CN201180038351.6A CN103052720B (zh) | 2010-08-04 | 2011-07-20 | 用于开铁口机的钻杆的保持设备以及用于移除钻杆的方法 |
JP2013522186A JP5876049B2 (ja) | 2010-08-04 | 2011-07-20 | 出銑口掘削機のドリルロッドの保持装置及びドリルロッドの取り外し方法 |
BR112013002694A BR112013002694A2 (pt) | 2010-08-04 | 2011-07-20 | aparelho de retenção para uma haste de perfuração de uma máquina de perfuração de furo de corrida, e método para remover uma haste de perfuração |
KR1020137004553A KR101766881B1 (ko) | 2010-08-04 | 2011-07-20 | 탭홀 천공 머신의 드릴 로드 유지 장치 및 드릴 로드 제거 방법 |
PCT/EP2011/062420 WO2012016833A2 (de) | 2010-08-04 | 2011-07-20 | Haltevorrichtung für eine bohrstange einer stichlochbohrmaschine sowie verfahren zum entfernen einer bohrstange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10171867.4A EP2415881B1 (de) | 2010-08-04 | 2010-08-04 | Haltevorrichtung für eine Bohrstange einer Stichlochbohrmaschine sowie Verfahren zum Entfernen einer Bohrstange |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2415881A1 EP2415881A1 (de) | 2012-02-08 |
EP2415881B1 true EP2415881B1 (de) | 2013-12-25 |
Family
ID=43034344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10171867.4A Not-in-force EP2415881B1 (de) | 2010-08-04 | 2010-08-04 | Haltevorrichtung für eine Bohrstange einer Stichlochbohrmaschine sowie Verfahren zum Entfernen einer Bohrstange |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2415881B1 (zh) |
JP (1) | JP5876049B2 (zh) |
KR (1) | KR101766881B1 (zh) |
CN (1) | CN103052720B (zh) |
BR (1) | BR112013002694A2 (zh) |
RU (1) | RU2559617C2 (zh) |
WO (1) | WO2012016833A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110374502A (zh) * | 2019-07-17 | 2019-10-25 | 瑙f尝 | 一种矿用采煤机 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105756558B (zh) * | 2016-04-15 | 2017-09-29 | 周洪春 | 一种煤矿用预埋孔钻车 |
CN105903992B (zh) * | 2016-06-23 | 2021-12-14 | 中钢集团西安重机有限公司 | 一种螺杆调节式钻杆夹持机构 |
CN111020089B (zh) * | 2019-12-16 | 2023-09-08 | 中钢集团西安重机有限公司 | 一种自动换杆方法 |
CN112432506A (zh) * | 2020-11-25 | 2021-03-02 | 商都中建金马冶金化工有限公司 | 一种用于矿热炉的开堵眼机 |
CN112662828B (zh) * | 2020-12-09 | 2022-05-17 | 本钢板材股份有限公司 | 一种液压开铁口机 |
CN113215340B (zh) * | 2021-05-07 | 2023-03-28 | 中钢集团西安重机有限公司 | 一种开铁口机的钻杆自动安装或拆除方法 |
CN113265499B (zh) * | 2021-05-07 | 2022-09-13 | 中钢集团西安重机有限公司 | 一种基于自动换杆装置的钻杆夹紧方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4113056Y1 (zh) * | 1964-05-30 | 1966-06-21 | ||
LU83336A1 (fr) * | 1981-05-05 | 1983-03-24 | Wurth Paul Sa | Dispositif de centrage et de guidage d'une tige de percage du trou de coulee d'un four a cuve et perceuse pourvue d'un tel dispositif |
US4502665A (en) * | 1982-05-20 | 1985-03-05 | Yoder Lloyd S | Apparatus for moving a cylindrical object |
JPS6067339U (ja) * | 1983-10-14 | 1985-05-13 | 川崎製鉄株式会社 | 出銑口開孔機金棒芯合せ装置 |
EP0507100A1 (fr) * | 1991-04-03 | 1992-10-07 | Paul Wurth S.A. | Procédé d'introduction d'une tige de perçage dans le trou de coulée d'un four à cuve, machine de perçage et pince bi-directionnelle |
DE4131982C2 (de) * | 1991-09-26 | 1995-04-06 | Dango & Dienenthal Maschbau | Stichlochbohrmaschine für metallurgische Behälter, insbesondere Hochöfen |
LU88058A1 (fr) * | 1992-01-24 | 1993-08-17 | Paul Wurth S.A. | Machine de percage d'un trou de coulee d'un four a cuve |
ES2125929T3 (es) * | 1992-06-17 | 1999-03-16 | Wurth Paul Sa | Maquina para perforacion de una piquera de un horno de cuba. |
CN2206297Y (zh) * | 1994-09-05 | 1995-08-30 | 冶金工业部北京钢铁设计研究总院 | 一种开铁口机 |
JPH11269516A (ja) * | 1998-03-25 | 1999-10-05 | Nippon Steel Corp | 高炉出銑口開孔機 |
DE102009009537A1 (de) * | 2009-02-18 | 2010-08-26 | Tmt Tapping-Measuring-Technology Gmbh | Stichlochbohrmaschine für metallurgische Behälter, insbesondere Öfen mit schmelzflüssigem Inhalt |
-
2010
- 2010-08-04 EP EP10171867.4A patent/EP2415881B1/de not_active Not-in-force
-
2011
- 2011-07-20 CN CN201180038351.6A patent/CN103052720B/zh not_active Expired - Fee Related
- 2011-07-20 RU RU2013105617/02A patent/RU2559617C2/ru not_active IP Right Cessation
- 2011-07-20 WO PCT/EP2011/062420 patent/WO2012016833A2/de active Application Filing
- 2011-07-20 BR BR112013002694A patent/BR112013002694A2/pt not_active Application Discontinuation
- 2011-07-20 KR KR1020137004553A patent/KR101766881B1/ko active IP Right Grant
- 2011-07-20 JP JP2013522186A patent/JP5876049B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110374502A (zh) * | 2019-07-17 | 2019-10-25 | 瑙f尝 | 一种矿用采煤机 |
CN110374502B (zh) * | 2019-07-17 | 2020-09-15 | 解波 | 一种矿用采煤机 |
Also Published As
Publication number | Publication date |
---|---|
RU2559617C2 (ru) | 2015-08-10 |
RU2013105617A (ru) | 2014-09-10 |
KR20130137598A (ko) | 2013-12-17 |
WO2012016833A3 (de) | 2012-04-12 |
CN103052720B (zh) | 2015-09-16 |
CN103052720A (zh) | 2013-04-17 |
EP2415881A1 (de) | 2012-02-08 |
BR112013002694A2 (pt) | 2016-05-31 |
KR101766881B1 (ko) | 2017-08-09 |
JP2013534281A (ja) | 2013-09-02 |
JP5876049B2 (ja) | 2016-03-02 |
WO2012016833A2 (de) | 2012-02-09 |
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