EP3371418A1 - Walzenschrämlader - Google Patents
WalzenschrämladerInfo
- Publication number
- EP3371418A1 EP3371418A1 EP16801138.5A EP16801138A EP3371418A1 EP 3371418 A1 EP3371418 A1 EP 3371418A1 EP 16801138 A EP16801138 A EP 16801138A EP 3371418 A1 EP3371418 A1 EP 3371418A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support arm
- carrier arm
- housing
- gear
- planetary 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
- 238000005065 mining Methods 0.000 claims abstract description 6
- 230000013011 mating Effects 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 4
- 230000036316 preload Effects 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims 1
- 230000000295 complement effect Effects 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/08—Mountings for the rods or drums
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22
Definitions
- the invention relates to a Walzenschrämlader for mining extraction in barn, with a movable along a longwall Streb reduceer in the longitudinal direction Masch inen body and at least one cutting roller, which is supported by a pivotally mounted on the machine ineinen body support arm to a parallel to the hanging walls and perpendicular to the mining front
- Axis is rotatably mounted at the free end of the support arm and is driven by a support arm associated with the drive chain via a disposed inside the support arm gear chain and a planetary gear located at the free end of the support arm whose non-rotatably connected to the end portion of the support arm gear housing from axially juxtaposed, annular Housing sections, which are held together by located at its periphery bolts.
- Such drum chisel loaders are usually equipped with two cutting rollers whose cutting profiles complement or overlap in such a way that the pending extraction material can be recovered over the entire seam thickness.
- This regularly Required repair and maintenance work can usually be carried out when a field is completely dismantled and the machine anyway has to be moved from one job site to another job site. For this purpose, the machine must be disassembled into their parts in any case and can be disassembled into their parts for these maintenance and repair work spent in the workshop.
- the support arm with an attached planetary gear can have a mass of up to 17 t and more, such a repair is particularly time-consuming and labor-intensive, especially due to the associated transport work and leads to significant production losses. It is therefore an object of the invention to further develop the Walzenschrämlader of the type mentioned in that repair and maintenance of the planetary gear considerably simplified and accelerated and in particular without disassembly of the support arm can be performed.
- the invention proposes, starting from the drum scraper of the type mentioned above, that the adjacent to the support arm housing portion of the transmission housing has a separate mounting flange which is fixed by means of a separate screw on a matching mating flange at the free end of the support arm.
- the planetary gear can be solved in its entirety from the support arm, by releasing the separate screw that connect the adjacent to the support arm housing portion of the transmission housing with the support arm.
- the planetary gear can be re-attached to the support arm.
- the required transport of the planetary gear is not a problem, because such a planetary gear weighs not more than 5t and compared with the support arm has small outer dimensions.
- the rotationally fixed connection between the last gear located in the support arm gear chain and the drive shaft of the planetary gear is effected by a splined composite element, which in cultivated planetary gear from the offset side in matching receiving openings in the last gear of the transmission chain and in the drive shaft of the planetary gear is inserted. This makes it possible to produce or release this rotationally fixed connection from the offset side without being disturbed by the transmission housing located in the installed position.
- FIG. 1 shows a perspective view of a drum skid loader according to FIG. 1
- Figure 2 in an exploded view of a support arm, the associated planetary gear and its attachment means
- FIG. 3 in perspective, the support arm with the mounted thereon
- Planetary gear Figure 4: an axial longitudinal section through the planetary gear attached to the free end of the support arm.
- the machine body of the Walzenschrämladers is designated by the reference numeral 1.
- This machine body 1 is movable on a longwall conveyor 2 in the longitudinal direction and provided at the front and rear with support arms 3, which are each pivotally mounted on the machine body 1 and each carrying a cutting roller 4.
- the cutting rollers 4 are mounted rotatably about parallel to the hanging walls extending axes on a arranged in the interior of the respective cutting roller 4 gear housing 5 of a planetary gear, which rotatably drives the respective associated cutting roller 4.
- the gear housing 5 of the planetary gear are each rotatably connected to the associated end portions of the support arms 3, as will be explained in detail below.
- each cutting roller 4 is a drive motor which is arranged in the interior of the support arm 3 and via a disposed inside the associated support arm 3 gear chain drives the planetary gear located at the free end of the support arm, which in turn drives the associated cutting roller 4.
- Figure 2 shows an exploded view of a support arm 3, the associated gear housing 5 of the associated planetary gear and the fastening means with which the gear housing 5 can be attached to the end of the support arm 3.
- the surrounding the gear housing 5 cutting roller 4 has already been removed here.
- the transmission housing 5 of the planetary gear consists of axially juxtaposed annular housing sections 5a, 5b and 5c are axially contracted and held together by arranged at its periphery bolts 6.
- housing portion 5c of the gear housing 5 is provided with a radially projecting mounting flange 7, which is fixed by means of a separate screw consisting of bolts 8 and 9 preload nuts on a mating flange 10 at the free end of the retaining arm 3.
- the gear housing 5 and the planetary gear located therein retain their cohesion after dismantling from the support arm 3 and can be transported as a whole without the associated support arm 3.
- the separate screw which serves to fix the gear housing 5 on the support arm 3, by means of the biasing nuts 9 mechansich prestressed.
- the bolts 8 each have a thread 8a, which is screwed into associated threaded holes in the counter flange 10.
- the bolts 8 have at the opposite end another thread 8 b, on which a preload nut 9 can be screwed, which is provided with a ring of acting on the mounting flange 7 pressure screws 1 1.
- the bolt 8 can be biased by means of these pressure screws 1 1 to an exactly predictable bias. In this way, the mounting flange 7 and the mating flange 10 clamping forces can be set exactly with simple tools.
- a splined composite element 12 For rotationally fixed connection between the last gear located in the support arm 3 gear chain and the drive shaft of the planetary gear is a splined composite element 12, which is mounted planetary gear from the offset side in matching receiving openings in the last gear of the transmission chain of the support arm 3 and the drive shaft planetary gear is insertable.
- 3 shows the transmission housing 5 in the assembled state.
- FIG. 4 also shows the gear housing 5 consisting of the annular housing sections 5a, 5b and 5c and its attachment to the support arm 3. Here are also located in the interior of the transmission case 5 parts of the planetary gear can be seen.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Retarders (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Transmission Devices (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16801138T PL3371418T3 (pl) | 2015-11-03 | 2016-10-31 | Ścianowy kombajn bębnowy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015014081.7A DE102015014081A1 (de) | 2015-11-03 | 2015-11-03 | Walzenschrämlader |
PCT/EP2016/076189 WO2017076787A1 (de) | 2015-11-03 | 2016-10-31 | Walzenschrämlader |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3371418A1 true EP3371418A1 (de) | 2018-09-12 |
EP3371418B1 EP3371418B1 (de) | 2020-12-02 |
Family
ID=57394523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16801138.5A Active EP3371418B1 (de) | 2015-11-03 | 2016-10-31 | Walzenschrämlader |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3371418B1 (de) |
CN (1) | CN108350736B (de) |
AU (1) | AU2016351158B2 (de) |
DE (1) | DE102015014081A1 (de) |
PL (1) | PL3371418T3 (de) |
RU (1) | RU2731857C2 (de) |
WO (1) | WO2017076787A1 (de) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1157448A (en) * | 1965-10-22 | 1969-07-09 | Coal Industry Patents Ltd | Mining Machine |
GB1415008A (en) * | 1972-10-31 | 1975-12-10 | Coal Industry Patents Ltd | Mineral mining equipment and mineral mining machines incorporating such equipment |
BE875547A (nl) * | 1979-04-13 | 1979-10-15 | Legrand M G J | Machine voor het afbouwen van gesteenten in ondergrondse werken |
DE3634290A1 (de) | 1986-10-08 | 1988-04-21 | Eickhoff Geb | Mit einer drehdurchfuehrung ausgeruestete schneidwalze, insbesondere fuer maschinen des untertagebergbaues |
DE3835049A1 (de) * | 1988-10-14 | 1990-04-19 | Eickhoff Geb | Mit dem abtriebswellenstumpf eines untersetzungsgetriebes drehfest verbundene schneidwalze |
RU2065959C1 (ru) * | 1993-09-07 | 1996-08-27 | Иван Кириллович Кривоконев | Горный очистной комбайн |
DE19753353C2 (de) * | 1997-12-02 | 2003-12-04 | Rag Ag | Schrämmaschine |
RU36035U1 (ru) * | 2003-09-22 | 2004-02-20 | Донецкий государственный научно-исследовательский, проектно-конструкторский и экспериментальный институт комплексной механизации шахт "Донгипроуглемаш" | Очистной комбайн для тонких пластов |
RU41797U1 (ru) * | 2004-06-29 | 2004-11-10 | Открытое акционерное общество "Проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" | Очистной комбайн |
DE202004015038U1 (de) * | 2004-09-24 | 2005-11-10 | Dbt Gmbh | Antriebseinrichtung für Bergbaugewinnungsmaschinen |
DE102005018120B3 (de) * | 2005-04-15 | 2006-05-04 | Dbt Gmbh | Gewinnungsmaschine für den untertägigen Bergbau |
US8235470B2 (en) * | 2009-12-24 | 2012-08-07 | Joy Mm Delaware, Inc. | Cutter head containing its motors and gearcase |
DE102011104291A1 (de) * | 2011-06-16 | 2012-12-20 | Robert Bosch Gmbh | Planetengetriebe |
CN202578688U (zh) * | 2012-04-25 | 2012-12-05 | 三一重型装备有限公司 | 采煤机截割电机安装结构及采煤机 |
-
2015
- 2015-11-03 DE DE102015014081.7A patent/DE102015014081A1/de not_active Withdrawn
-
2016
- 2016-10-31 WO PCT/EP2016/076189 patent/WO2017076787A1/de active Application Filing
- 2016-10-31 PL PL16801138T patent/PL3371418T3/pl unknown
- 2016-10-31 AU AU2016351158A patent/AU2016351158B2/en active Active
- 2016-10-31 EP EP16801138.5A patent/EP3371418B1/de active Active
- 2016-10-31 CN CN201680063895.0A patent/CN108350736B/zh active Active
- 2016-10-31 RU RU2018120309A patent/RU2731857C2/ru active
Also Published As
Publication number | Publication date |
---|---|
AU2016351158B2 (en) | 2021-11-18 |
PL3371418T3 (pl) | 2021-05-17 |
RU2018120309A3 (de) | 2020-02-04 |
WO2017076787A1 (de) | 2017-05-11 |
DE102015014081A1 (de) | 2017-05-04 |
EP3371418B1 (de) | 2020-12-02 |
RU2731857C2 (ru) | 2020-09-08 |
AU2016351158A1 (en) | 2018-05-10 |
CN108350736A (zh) | 2018-07-31 |
CN108350736B (zh) | 2021-07-06 |
RU2018120309A (ru) | 2019-12-04 |
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