WO2010031501A1 - Strebausrüstung mit einem höhenverstellbar auf dem strebförderer geführten walzenschrämlader - Google Patents
Strebausrüstung mit einem höhenverstellbar auf dem strebförderer geführten walzenschrämlader Download PDFInfo
- Publication number
- WO2010031501A1 WO2010031501A1 PCT/EP2009/006413 EP2009006413W WO2010031501A1 WO 2010031501 A1 WO2010031501 A1 WO 2010031501A1 EP 2009006413 W EP2009006413 W EP 2009006413W WO 2010031501 A1 WO2010031501 A1 WO 2010031501A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- longwall
- machine body
- conveyor
- equipment according
- longwall conveyor
- Prior art date
Links
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 239000003245 coal Substances 0.000 claims abstract description 7
- 238000005065 mining Methods 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 description 3
- 206010019133 Hangover Diseases 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
-
- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
Definitions
- the invention relates to a longwall equipment for mechanical extraction, especially in underground coal mining, with a longwall mounted on the Streb junker, with a movable on the face conveyor roller cutter and arranged at an angle to the longwall conveyor, projecting to Walzenschrämlader Hangendkappen shield removal units, the Walzenschrämlader a on the longwall conveyor supporting and guided thereon machine body having two thereof carried on the machine body pivotally arranged cutting rollers and the overstretching machine cross-machine forms a maximum loading cross section of the longwall conveyor predetermining portal.
- the leading cutting roller achieves an extraction rate of about 75% to 90% of the seam thickness. Due to this circumstance, the discharge of the dissolved material to be mined through the portal of the cutting roller loader can become a performance-limiting factor in the ascent of the roller cutter loader.
- the invention is therefore based on the object, a longwall equipment of the type mentioned in such a way that the Walzenschrämlader itself forms no immediate limit to the setting of its extraction performance.
- the invention provides in its basic idea that the machine body of the roll skid loader for variable adjustment of its gantry cross section by means of a lifting device attached to the Strebmer guided vertically adjustable and arranged on the machine body and arranged in a fixedly mounted on the longwall conveyor trained counter bearing engaging drive element to the machine body height adjustable is.
- the invention initially has the advantage that due to an adjustment of the maximum possible gantry cross section by lifting the machine body of the scraper roller over the longwall conveyor, the recovery performance can be increased in the uphill of the roller cutter. As a result, the recovery performance of the roller cutter can be better adapted to changing seam widths.
- the possible change in the altitude of the running on the longwall conveyor machine body of the Walzenschrämladers in conjunction with the machine body pivotally mounted Walzentagarmen gives even greater latitude when driving through strut sections with correspondingly lesser or greater thickness, because on the change in the altitude of the machine body the cut to be cut clearance height beyond the range of arranged with a constructively fixed pivot angle on the machine body roller bearing arms addition or to increase.
- a corresponding advantage also results in a curved longwall course, when, for example, in the direction of travel of the roller cutter or transverse to Verhiebscardi troughs or saddles are pronounced in the deposit. Since today's roll skid loaders can build comparatively long due to the installed power and can reach a length of, for example, up to 10m, when using saddles or troughs in conventional Walzenschrämladern the case may occur that a larger strut height must be cut free, as the Flöm foundedkeit corresponds to To provide a sufficient clearance height for the roller cutter under the hanging end caps of the shield removal units.
- the height adjustment of the machine body of the roller cutter in the invention proves to be helpful to pass through such bottlenecks safer and at a lower level of clearing of Streb too because of the corresponding Low points of the strut can be mobilized by lowering the machine body of the Walzenschrämladers corresponding height reserves.
- the machine body is infinitely adjustable in height. It can also be provided that the machine body is height-adjustable during the travel of the roller cutter, so that no time losses occur in the extraction operation.
- the machine body is set up to be height-adjustable both separately on the coal-body side and on the extension side.
- the height adjustment of the machine body on its two sides is individually possible, so that both sides can be adjusted individually during the movement of the roller cutter. This is especially helpful in maneuvers to negotiate bottlenecks and especially saddles or troughs.
- the lifting device for the machine body with hydraulic drive elements or with electromechanically operating drive elements, for example, including actuators and gearboxes may be provided.
- the lifting device for the machine body consists of vertically arranged lifting cylinders which are supported on the longwall conveyor.
- the lifting device consists of two arranged on the machine body spaced, each acted upon by horizontally arranged lifting cylinders, and is supported on the longwall conveyor eccentric drives.
- the lifting cylinders are equipped to control the altitude of the machine body on the longwall conveyor with a displacement measuring system.
- the extraction work control according to an embodiment of the invention can be further improved by providing a device for measuring the distance between the lower edge of the wall end caps of the shield removal units and the surface of the machine body.
- FIG. 2 shows the subject matter of FIG. 1 when passing through a lower (left-hand representation) and a larger (right-hand representation) seam thickness
- Fig. 3 shows an embodiment of the lifting device for the
- the longwall equipment shown in Figure 1 initially comprises a shield support frame 10 with a Bodenkufe 1 1, on the two pistons 12 are attached in a parallel arrangement, of which in Figure 1, only a stamp is recognizable and carry at its upper end a hanging wall 13. While the Hangendkappe 13 protrudes at its front (left) end in the direction of the still to be described extraction machine, at the rear, right end of the hanging end cap 13, a fracture shield 14 is articulated by means of a hinge 15, the fracture shield 14 of the two in the side view on the Bodenkufe 1 1 resting support arms 16 is supported.
- inclination sensors 17 Mounted on the shield support 10 are three inclination sensors 17, a tilt sensor 17 on the bottom skid 11, a tilt sensor 17 in the rear of the hangover cap 13 near the joint 15, and a tilt sensor 17 on the fracture shield 14.
- the inclination sensors may be for control the expansion work in the longwall equipment shown in Figure 1 are used, which is not the subject of the present invention.
- the shield support frame 10 shown in Figure 1 is struck on a longwall conveyor 20, wherein on the longwall conveyor 20, a recovery machine in the form of a Walzenschrämladers 21 with an upper cutting roller 22 and a lower cutting roller 23 is performed.
- the two cutting rollers 22, 23 are each held about pivotally mounted on the machine body 25 roller bearing arms 24.
- the machine body 25 rests in a manner not shown both on the cutting rollers 22, 23 facing side of the longwall conveyor 20 as well as on the side facing away from the cutting rollers of the longwall conveyor, so that the machine body 25 engages over the longwall conveyor 20 with a distance which a so-called Portal 26 forms, which limits the loading cross section of the longwall conveyor 20 in particular during the ascent of the roller cutter.
- FIG. 1 in a merely schematic representation vertically arranged lifting cylinder 27 indicated by means of which the height of the machine body 25 of the Walzenschrämladers 21 relative to the longwall conveyor 20 is variable. Furthermore, a sensor 28 is arranged near the hangend cap 13 of the shield support frame facing the surface of the machine body 25, which serves to measure the distance between the machine body 25 and the hanging wall 13. With the aid of such a sensor, the position of the machine body 25 can be monitored in relation to the hangover cap 13 of the shield support frame 10.
- the height of the machine body 25 relative to the longwall conveyor 20 at different seam thicknesses can be adjusted to a free passage of the Walzenschrämladers 21 with its machine body 25 between the located on the deck 31 longwall conveyor 20 and against the hanging wall 30 adjacent Hangendkappe 13 of the shield support frame 10 at each maximum setting of the free cross section of the portal 26 to ensure.
- the two cutting rollers 22 and 23 are respectively engaged with the coal front 32nd
- the height-adjustable chassis of the Walzenschrämladers 21 on the longwall conveyor 20 so that in addition to a high mechanical stability, in particular the lifting device is achieved that by the structural design of the machine body 25 with lifting the cross section of the portal 26 not is restricted.
- FIG. 3 shows, in a merely exemplary schematic representation, a corresponding approach for the design of such a lifting device.
- the machine body 25 in this case has at its two outer ends in each case an eccentric drive 38, the controlled via a horizontally arranged lifting cylinder 37 pivoting leads to a change in the support of a support rod 38a on a fixedly mounted on the longwall conveyor 21 support 35.
- a different height position of the machine body 25 with respect to the fixedly mounted on the longwall conveyor 20 support 35 can be adjusted by pressing the preferably equipped with a displacement encoder lifting cylinder 37.
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)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/119,515 US20110163590A1 (en) | 2008-09-17 | 2009-09-04 | Longwall Equipment Having Vertically Adjustable Disc Shearer Loader Guided on the Face Conveyor |
CN2009801369769A CN102165139A (zh) | 2008-09-17 | 2009-09-04 | 带有高度可调节地在工作面运输器上被引导的滚筒式采煤机的工作面装置 |
AU2009294929A AU2009294929A1 (en) | 2008-09-17 | 2009-09-04 | Longwall equipment having a cutter loader guided on the longwall conveyor in a height adjustable manner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008047582.3 | 2008-09-17 | ||
DE102008047582A DE102008047582B3 (de) | 2008-09-17 | 2008-09-17 | Strebausrüstung mit einem höhenverstellbar auf dem Strebförderer geführten Walzenschrämlader |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010031501A1 true WO2010031501A1 (de) | 2010-03-25 |
Family
ID=41396084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/006413 WO2010031501A1 (de) | 2008-09-17 | 2009-09-04 | Strebausrüstung mit einem höhenverstellbar auf dem strebförderer geführten walzenschrämlader |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110163590A1 (de) |
CN (1) | CN102165139A (de) |
AU (1) | AU2009294929A1 (de) |
DE (1) | DE102008047582B3 (de) |
PL (1) | PL394289A1 (de) |
RU (1) | RU2011108006A (de) |
WO (1) | WO2010031501A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104790948A (zh) * | 2015-02-15 | 2015-07-22 | 山东科技大学 | 一种采煤机滚筒自动调高的控制方法 |
US10208592B2 (en) * | 2015-12-02 | 2019-02-19 | Joy Global Underground Mining Llc | Longwall optimization control |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009030130B9 (de) * | 2009-06-24 | 2011-06-09 | Rag Aktiengesellschaft | Verfahren zur automatisierten Herstellung einer definierten Streböffnung durch neigungsgestützte Radarnavigation der Walze bei einem Walzenschrämlader und eine Vorrichtung hierfür |
DE102010033733B4 (de) * | 2010-08-07 | 2012-11-29 | Rag Aktiengesellschaft | Vorrichtung zur Konvergenzerfassung in Strebbetrieben des untertätigen Steinkohlenbergbaus |
PL2739824T3 (pl) | 2011-08-03 | 2019-07-31 | Joy Global Underground Mining Llc | Układ stabilizacji dla maszyny górniczej |
CN102337889B (zh) * | 2011-10-12 | 2015-05-20 | 三一重型装备有限公司 | 一种采煤机及其支撑装置 |
CN104444096A (zh) * | 2014-09-25 | 2015-03-25 | 西南天地煤机装备制造有限公司 | 可调节销排轨高度的刮板输送机 |
CN109838265B (zh) * | 2019-03-18 | 2024-04-02 | 中国矿业大学 | 一种沿空留巷端头支架迁移时保护顶板托盘的装置 |
CN113309568B (zh) * | 2021-06-11 | 2023-09-08 | 中煤科工集团信息技术有限公司 | 一种适用于露天矿全连续采煤设备的供电系统及方法 |
CN113356765B (zh) * | 2021-07-05 | 2023-10-13 | 中国煤炭科工集团太原研究院有限公司 | 煤矿掘锚机 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1481155A (en) * | 1975-03-06 | 1977-07-27 | Gewerk Eisenhuette Westfalia | Mineral mining installations |
US4228508A (en) * | 1977-04-01 | 1980-10-14 | Bergwerksverband Gmbh | Automatic longwall mining system and method |
US4272129A (en) * | 1978-07-14 | 1981-06-09 | Coal Industry (Patents) Limited | Mineral mining installation |
DE8224441U1 (de) * | 1982-08-30 | 1983-02-17 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Untertaegiges schreitendes ausbaugestell |
DE3718478A1 (de) * | 1987-06-02 | 1988-12-22 | G Pk Exi Ugolnogo Mash | Kohlengewinnungsaggregat fuer steiles einfallen |
DE3827403C1 (en) * | 1988-08-12 | 1989-12-28 | Nlw Foerdertechnik Gmbh, 4232 Xanten, De | Apparatus for placing temporary support in the rise heading for longwall faces in collieries |
DE3932560A1 (de) * | 1989-09-29 | 1991-05-08 | Klaus Ketterer | Strebbau-verfahren und vorrichtung zur durchfuehrung des verfahrens |
DE19814246A1 (de) * | 1998-03-31 | 1999-10-07 | Saartech Ges Fuer Ind Und Berg | Schildausbaugestell mit die Bruchkante beeinflussender Abzugsöffnung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2113399C3 (de) * | 1971-03-19 | 1973-10-04 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Walzenschrämmaschine |
GB1496801A (en) * | 1975-08-13 | 1978-01-05 | Coal Ind | Mining machines |
DE2714532C3 (de) * | 1977-04-01 | 1982-01-14 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Gewinnungsmaschine für den Untertagebergbau, insbesondere Walzenschrämmaschine |
DE3718442C1 (de) * | 1987-06-02 | 1988-12-01 | Eickhoff Geb | Walzenlader fuer den Untertagebetrieb |
DE9217657U1 (de) * | 1992-12-24 | 1993-04-01 | Westfalia Becorit Industrietechnik GmbH, 4670 Lünen | Höheneinstellbare Abschirmwand am Förderer einer Schrämmaschinen-Gewinnungsanlage für den Untertagebergbau |
DE4414578C2 (de) * | 1994-04-27 | 2003-02-13 | Dbt Gmbh | Vorrichtung zur automatischen Einstellung des Schneidhorizontes einer Bergbau-Gewinnungsanlage |
DE19927364A1 (de) * | 1999-06-16 | 2000-12-21 | Eickhoff Maschinenfabrik Gmbh | Walzenschrämlader |
-
2008
- 2008-09-17 DE DE102008047582A patent/DE102008047582B3/de not_active Expired - Fee Related
-
2009
- 2009-09-04 RU RU2011108006/03A patent/RU2011108006A/ru not_active Application Discontinuation
- 2009-09-04 PL PL394289A patent/PL394289A1/pl not_active Application Discontinuation
- 2009-09-04 WO PCT/EP2009/006413 patent/WO2010031501A1/de active Application Filing
- 2009-09-04 AU AU2009294929A patent/AU2009294929A1/en not_active Abandoned
- 2009-09-04 US US13/119,515 patent/US20110163590A1/en not_active Abandoned
- 2009-09-04 CN CN2009801369769A patent/CN102165139A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1481155A (en) * | 1975-03-06 | 1977-07-27 | Gewerk Eisenhuette Westfalia | Mineral mining installations |
US4228508A (en) * | 1977-04-01 | 1980-10-14 | Bergwerksverband Gmbh | Automatic longwall mining system and method |
US4272129A (en) * | 1978-07-14 | 1981-06-09 | Coal Industry (Patents) Limited | Mineral mining installation |
DE8224441U1 (de) * | 1982-08-30 | 1983-02-17 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Untertaegiges schreitendes ausbaugestell |
DE3718478A1 (de) * | 1987-06-02 | 1988-12-22 | G Pk Exi Ugolnogo Mash | Kohlengewinnungsaggregat fuer steiles einfallen |
DE3827403C1 (en) * | 1988-08-12 | 1989-12-28 | Nlw Foerdertechnik Gmbh, 4232 Xanten, De | Apparatus for placing temporary support in the rise heading for longwall faces in collieries |
DE3932560A1 (de) * | 1989-09-29 | 1991-05-08 | Klaus Ketterer | Strebbau-verfahren und vorrichtung zur durchfuehrung des verfahrens |
DE19814246A1 (de) * | 1998-03-31 | 1999-10-07 | Saartech Ges Fuer Ind Und Berg | Schildausbaugestell mit die Bruchkante beeinflussender Abzugsöffnung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104790948A (zh) * | 2015-02-15 | 2015-07-22 | 山东科技大学 | 一种采煤机滚筒自动调高的控制方法 |
CN104790948B (zh) * | 2015-02-15 | 2016-06-15 | 山东科技大学 | 一种采煤机滚筒自动调高的控制方法 |
US10208592B2 (en) * | 2015-12-02 | 2019-02-19 | Joy Global Underground Mining Llc | Longwall optimization control |
Also Published As
Publication number | Publication date |
---|---|
RU2011108006A (ru) | 2012-10-27 |
PL394289A1 (pl) | 2011-07-18 |
AU2009294929A1 (en) | 2010-03-25 |
DE102008047582B3 (de) | 2010-02-04 |
US20110163590A1 (en) | 2011-07-07 |
CN102165139A (zh) | 2011-08-24 |
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