EP1029150A1 - Einrichtung zum schneiden bzw. schrämen von material - Google Patents
Einrichtung zum schneiden bzw. schrämen von materialInfo
- Publication number
- EP1029150A1 EP1029150A1 EP98954053A EP98954053A EP1029150A1 EP 1029150 A1 EP1029150 A1 EP 1029150A1 EP 98954053 A EP98954053 A EP 98954053A EP 98954053 A EP98954053 A EP 98954053A EP 1029150 A1 EP1029150 A1 EP 1029150A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- ring gear
- cantilever arm
- boom
- gear
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 5
- 210000000481 breast Anatomy 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
Definitions
- the invention relates to a device for cutting or chamfering material on a substantially flat dismantling front with a cutting tool which is rotatably mounted on a pivotable boom arm consisting of at least two pivotable arm parts, the pivot axis of the boom arm and the pivot axes of the Cantilever arm parts penetrate the working face.
- a device of the type mentioned is known from AT 380 925 B.
- the known device aimed to create a cutting machine which, seen in the direction of advance, is very short in construction, while at the same time the extension of the route to the face is possible without interrupting the cutting work and without endangering or impairing it.
- the pivotable cantilever arm parts can be pivoted about axes which are directed essentially normally towards the working face, so that a pivoting angle of at least 180 ° is required for the lower cantilever arm part and a correspondingly larger pivoting angle is required for the cantilever arm parts mounted on this first pivotable arm part to be able to actually dismantle a flat working face with the appropriate swivel position.
- the invention further aims to design such a reduction gear so that, in addition to a short design, a high reduction ratio and a secure arrangement in the respective parts of the cutter arm or cantilever arm are made possible.
- the device according to the invention essentially consists in that planetary gears are arranged coaxially to the pivot axes of the cantilever arms or the cantilever arm parts, which reduce the rotational speed of rotary drives for the swivel drive to a reduced pivoting speed of the cantilever arm or the cantilever arm parts.
- gears in the area of the swivel axes are constructed identically and in each case a driven sun gear has a plurality of rotating planet gears mounted on a carrier and a two-part ring gear divided in the axial direction, the ring gear parts being rotatably fixed in different ones from one another Parts of the boom are fixed.
- Such a two-part ring gear divided in the axial direction ensures a particularly high reduction with an extremely short overall length when viewed in the axial direction. Because one of the two ring gear parts is fixed in the first cantilever arm part in a rotationally fixed manner, the planet wheels must rotate with their carrier when the sun gear is driven. The fact that the second part of the divided two-part ring gear is now connected in a rotationally fixed manner to the cantilever arm part pivotably mounted on the preceding part results in an effective and extremely high reduction when either the planet gears are divided and a relatively small number of teeth in the has two sections. In principle, however, it is also possible to have a uniform planetary gear, which is located over the The entire axial length extends to be used if the formation is made so that the ring gear parts carry different numbers of teeth to achieve a correspondingly high reduction.
- the design is such that the planet gears rotate in the axially adjacent ring gear parts on different pitch circle diameters.
- a so-called profile shift can be used, the planet gears can be made in one piece.
- a differential number of teeth for example three, there is a profile shift inward in the stationary ring gear part of one cantilever arm and a profile shift outward in the aborting ring gear part which is rotatably connected to the cantilever arm part pivotally mounted on the preceding cantilever arm part.
- the planet gear meshes in two ring gear parts on different pitch circle diameters.
- the pitch circle diameter results from the multiplication of the module and the number of teeth.
- the design according to the invention is thus advantageously made such that the number of teeth of adjacent ring gear parts is increased by at least one. preferably three to four, is different from one another, which results in a particularly high reduction ratio and at the same time requires the smallest overall length in the axial direction.
- the rotary drives can be formed by hydraulic motors in a particularly simple manner.
- the drive for the cutting head or the cutting rollers, which is arranged on the outermost cantilever arm part, can advantageously be designed as a hydraulic motor, with a protected arrangement of the hydraulic lines to the respective hydraulic motors being made possible in a particularly advantageous manner by the fact that the Sun gears on hollow shafts for the implementation of Hydraulic lines are arranged to be arranged on the following pivotable cantilever arm hydraulic motors.
- a particularly small space requirement for the cantilever arm results from the fact that the aborting ring gear of the first gear stage and the fixed ring gear part of the planetary gear of the outer cantilever are arranged in the same vertical plane.
- FIG. 1 shows a schematic side view of a cutting machine according to the invention
- FIG. 2 shows a section through the gears in the cutting or cantilever arm parts
- FIG. 3 shows a view in the direction of arrow III of FIG. 1, partly in section.
- a cutting machine 1 is shown, the stationary machine frame is designated by 2.
- a carriage which is L-shaped in side view and whose upwardly projecting end region, which is designed as a portal, is designated by 3 and can be displaced relative to the box-shaped machine frame 2.
- the slide encompasses a guide tube 5, which is in turn connected to the rigid machine frame 2.
- the slide and in particular the portal-like end 3 of the slide, on which the cantilever arms 6 and 7 are rotatably mounted about pivot axes 8 and 9, can be moved overall relative to the machine frame 2 in the direction of the double arrow 10 to the face, without the machine itself their crawler track 11 must be moved.
- An anchor drilling and setting device is indicated schematically at 12.
- the cantilever arm parts 6, 7 Schrämmotor 13 and a cutting head 14 only little space, the dimensions in the axial direction can only be reduced accordingly by appropriate design of the drive and the gear for the cantilever arm parts 6 and 7.
- the details of this drive are shown in Fig. 2.
- a first cantilever arm part 6 is arranged on the portal 3 pivotable about an axis 8.
- a hydraulic motor 15 is provided for the drive and is connected to a sun gear 17 via a gear train 16.
- the gear train 16 can be formed here, for example, as a chain drive.
- the ring gear, in which the planet gears 18 engage, is of split design, a first ring gear part 19 being connected in a fixed manner to the portal 3, with which the planet gears 18 are driven to rotate about the axis 8.
- the output takes place via the second ring gear part 20, which is again connected in a fixed position to the first pivotable cantilever arm part 6.
- the number of teeth in the ring gear parts 19 and 20 differs from one another, so that in the case of a uniformly designed planet gear 18 there is a corresponding speed reduction and a high transmission ratio is set.
- the drive for the second cantilever arm part 7 is designed in an analogous manner.
- the hydraulic motor is designated 21 here and drives a central sun gear 22.
- this sun gear 22 In the representation of this sun gear 22 it can be seen that this sun gear is hollow and has an axial bore 23 for the passage of hydraulic lines, which can be arranged in a protected manner inside the cantilever arm parts 6 and 7 and also for the cutting drive for the cutting head 14 to lead.
- a rotary feedthrough for the supply lines is designated 29.
- With the sun gear 22 in turn mesh planet gears 24, the external ring gear in turn being formed in two parts.
- the ring gear part 25 is in turn rotatably connected to the cantilever arm part 6, whereas the second part of the ring gear 26 is rotatably connected to the cantilever arm part 7. Due to the difference in the number of teeth in the ring gear parts 25 and 26, it is again possible to develop a high reduction ratio, which is sufficient with correspondingly small hydraulic motors 21 and 15, and nevertheless the necessary supporting forces and reaction forces can
- the planet gears and the respective ring gears can be seen partly in section.
- the planet gears are each mounted on common carriers and can rotate according to the double arrow 27 depending on the number of teeth of the respective ring gear parts.
- the reference numerals of the preceding figures have been retained in the illustration according to FIG. 3.
- the frame spars 28 of the slide construction can now be seen, which is guided on the tubes 5 so as to be displaceable in the machine longitudinal direction.
- the box profile of the rigid machine frame 2 is clearly visible that the stationary machine frame 2 is designed as a box profile and receives a track conveyor 30 which is slidably mounted in the box-shaped profile in the longitudinal direction of the machine.
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)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Shovels (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Processing Of Solid Wastes (AREA)
- Lubricants (AREA)
- Vending Machines For Individual Products (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0186597A AT407421B (de) | 1997-11-04 | 1997-11-04 | Einrichtung zum schneiden bzw. schrämen von material |
AT186597 | 1997-11-04 | ||
PCT/AT1998/000270 WO1999023356A1 (de) | 1997-11-04 | 1998-11-03 | Einrichtung zum schneiden bzw. schrämen von material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1029150A1 true EP1029150A1 (de) | 2000-08-23 |
EP1029150B1 EP1029150B1 (de) | 2002-07-17 |
Family
ID=3522670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98954053A Expired - Lifetime EP1029150B1 (de) | 1997-11-04 | 1998-11-03 | Einrichtung zum schneiden bzw. schrämen von material |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1029150B1 (de) |
AT (2) | AT407421B (de) |
AU (1) | AU744239B2 (de) |
DE (1) | DE59804836D1 (de) |
PL (1) | PL189331B1 (de) |
WO (1) | WO1999023356A1 (de) |
ZA (1) | ZA9810055B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT409436B (de) * | 2000-08-11 | 2002-08-26 | Voest Alpine Bergtechnik | Vorrichtung zur überführung von hydraulik- und elektrischen leitungen |
DE202005016177U1 (de) * | 2005-10-12 | 2005-12-22 | Dbt Gmbh | Firstmeißelträgerverstellung und Gewinnungshobel hiermit |
RU2460882C2 (ru) * | 2010-05-24 | 2012-09-10 | Общество с ограниченной ответственностью "Региональный канатный центр" | Способ разрушения горного массива перекрестными резами |
RU2522111C1 (ru) * | 2013-03-26 | 2014-07-10 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский национальный исследовательский политехнический университет" | Способ разрушения горного массива перекрестными резами |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2050618A1 (de) * | 1970-10-15 | 1972-04-27 | Fried. Krupp Gmbh, 4300 Essen | Maschine und Verfahren zum Auffahren von Strecken, Tunneln od.dgl |
DE2621784A1 (de) * | 1976-05-15 | 1977-12-08 | Gewerk Eisenhuette Westfalia | Vortriebsmaschine |
AT380925B (de) | 1984-07-16 | 1986-07-25 | Voest Alpine Ag | Einrichtung zum schraemen von ausbruechen mit im wesentlichen ebener abbaufront |
DE3734350A1 (de) * | 1987-10-10 | 1989-04-20 | Salzgitter Maschinenbau | Schraemkopf fuer teilschnittmaschine |
SU1659645A1 (ru) * | 1988-07-22 | 1991-06-30 | Институт горного дела им.А.А.Скочинского | Планетарный исполнительный орган проходческого комбайна |
AT407659B (de) * | 1995-06-14 | 2001-05-25 | Voest Alpine Bergtechnik | Streckenvortriebsmaschine |
-
1997
- 1997-11-04 AT AT0186597A patent/AT407421B/de not_active IP Right Cessation
-
1998
- 1998-11-03 EP EP98954053A patent/EP1029150B1/de not_active Expired - Lifetime
- 1998-11-03 AU AU11352/99A patent/AU744239B2/en not_active Expired
- 1998-11-03 AT AT98954053T patent/ATE220760T1/de active
- 1998-11-03 WO PCT/AT1998/000270 patent/WO1999023356A1/de active IP Right Grant
- 1998-11-03 PL PL98340382A patent/PL189331B1/pl unknown
- 1998-11-03 DE DE59804836T patent/DE59804836D1/de not_active Expired - Lifetime
- 1998-11-03 ZA ZA9810055A patent/ZA9810055B/xx unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9923356A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATA186597A (de) | 2000-07-15 |
AT407421B (de) | 2001-03-26 |
PL340382A1 (en) | 2001-01-29 |
AU744239B2 (en) | 2002-02-21 |
PL189331B1 (pl) | 2005-07-29 |
AU1135299A (en) | 1999-05-24 |
DE59804836D1 (de) | 2002-08-22 |
WO1999023356A1 (de) | 1999-05-14 |
ATE220760T1 (de) | 2002-08-15 |
ZA9810055B (en) | 1999-05-05 |
EP1029150B1 (de) | 2002-07-17 |
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