EP0429051A1 - Haveuse à tambour - Google Patents
Haveuse à tambour Download PDFInfo
- Publication number
- EP0429051A1 EP0429051A1 EP90122134A EP90122134A EP0429051A1 EP 0429051 A1 EP0429051 A1 EP 0429051A1 EP 90122134 A EP90122134 A EP 90122134A EP 90122134 A EP90122134 A EP 90122134A EP 0429051 A1 EP0429051 A1 EP 0429051A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric motor
- drive shafts
- shafts
- cutting machine
- drive
- 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
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
Definitions
- the invention relates to a roller cutting machine according to the features in the preamble of claim 1.
- Such a roller cutting machine is part of the prior art through the German laid-open specification 27 41 660. If, according to an embodiment of this known type, hydraulic drive units consisting of each pump and motor are used for the longitudinal feed, the pumps of these drive units are driven via spur gear drives by the drive shafts extending in a straight line between the central electric motor and the roller head drives.
- the invention is based on the drum cutting machine described in the preamble of claim 1, the problem of building this short with purely electric drive and to maintain the straight-line aging straight drive shafts between the central electric motor and the roller head gears.
- the arrangement of hollow shafts that can be driven with electrical energy on the circumference of the linear drive shafts creates the conditions for maintaining the comparatively simple bearings for the drive shafts can be and with little space required, the necessary force can still be applied to the drive shafts via the hollow shafts at a suitable point in order to ensure the longitudinal feed of the roller cutting machine in one or the other direction of movement.
- An advantageous embodiment of the basic idea according to the invention consists in the features of claim 2.
- the energy for generating the longitudinal feed of the roller cutting machine is derived exclusively from the central electric motor.
- no further drive unit is therefore provided in the machine housing.
- the couplings in particular eddy current couplings, can be accommodated in the machine housing on the circumference of the drive shafts with a comparatively small space requirement. Consequently, the incorporation of such clutches, preferably eddy current clutches, leads to a short overall length of the machine housing.
- Figures 1 and 2 each show a schematic plan view of the drive elements for the rotation of the cutting rollers and for the longitudinal feed of a double-roller cutting machine.
- 1 in FIGS. 1 and 2 in dash-dotted lines the machine housing of the double-roll cutting machine 2 (hereinafter called the cutting machine for short).
- the machine housing 1 is subdivided into a number of structural units 3, 4, 5, which both facilitates the transport of a cutting machine 2 to the underground site as well as maintenance and repair.
- the machine housing 1 is subdivided, for example, into three structural units 3, 4, 5.
- the cutting machine 2 has at both ends not shown cutting rollers as end components of pivoting arms 7 pivotable about horizontal axes 7.
- the cutting arms 7 can, for. B. can be pivoted vertically by also not shown in Figures 1 and 2 cylinders.
- the rotary movement of the cutting rollers is generated by an electric motor 8, which is housed in the central unit 4.
- the electric motor 8 has two outlets 9 pointing in the longitudinal direction of the machine housing 1, to which rectilinear drive shafts 10 are connected.
- the other ends of the drive shafts 10 are connected to roller head gears 11, which are coupled in terms of drive technology to the cutting rollers via gear trains (not shown in detail) in the cutting arms 7.
- rotatable gears 13 are mounted about horizontal axes 12, which cooperate with a toothed rack 14 which is arranged along the positive guidance for the cutting machine 2, which consists, for example, of a face conveyor (not shown).
- the gear wheels 13 are connected via gear trains 15 to the secondary wheels 16 of eddy current clutches 17, which form components of hollow shafts 18 which surround the drive shafts 10 in a relatively rotatable manner.
- the primary wheels 19 of the eddy current clutches 17 are fastened on the drive shafts 10. If an electric field is built up between a primary wheel 19 and a secondary wheel 16, the energy emitted by the central electric motor 8 can be brought to the respective gear 13 via the corresponding eddy current clutch 17 and the downstream gear train 15 and in this way the cutting machine 2 along the rack 14 be shifted in the desired direction.
- the gearwheels 13 are connected via gear trains 20 to hollow shafts 21, which relatively rotatably enclose the drive shafts 10, as components of further electric motors 22.
- the energy of the central electric motor 8 is not used for the longitudinal feed of the cutting machine 2, but rather the energy of the additional electric motors 22 which surround the drive shafts 10 concentrically and are arranged coaxially to the central electric motor 8.
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Crushing And Pulverization Processes (AREA)
- Sawing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19893938572 DE3938572A1 (de) | 1989-11-21 | 1989-11-21 | Walzenschraemmaschine |
DE3938572 | 1989-11-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0429051A1 true EP0429051A1 (fr) | 1991-05-29 |
EP0429051B1 EP0429051B1 (fr) | 1993-04-21 |
Family
ID=6393906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900122134 Expired - Lifetime EP0429051B1 (fr) | 1989-11-21 | 1990-11-20 | Haveuse à tambour |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0429051B1 (fr) |
DE (1) | DE3938572A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3329702A1 (de) * | 1983-08-17 | 1985-03-07 | Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Walzenschraemmaschine, die mit einem schraemwalzenmotor und einem windenmotor ausgestattet ist |
DE3810374C1 (en) * | 1988-03-26 | 1989-11-16 | Bergwerksverband Gmbh, 4300 Essen, De | Double-drum shearer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2741660C2 (de) * | 1977-09-16 | 1981-11-26 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Walzenschrämmaschine |
-
1989
- 1989-11-21 DE DE19893938572 patent/DE3938572A1/de active Granted
-
1990
- 1990-11-20 EP EP19900122134 patent/EP0429051B1/fr not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3329702A1 (de) * | 1983-08-17 | 1985-03-07 | Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Walzenschraemmaschine, die mit einem schraemwalzenmotor und einem windenmotor ausgestattet ist |
DE3810374C1 (en) * | 1988-03-26 | 1989-11-16 | Bergwerksverband Gmbh, 4300 Essen, De | Double-drum shearer |
Non-Patent Citations (1)
Title |
---|
GLÜCKAUF, Band 117, Nr. 2, 22. Januar 1981, Seiten 78-82, Bochum, DE; K.-H. BOROWSKI: "Mögliche Entwicklungsrichtungen der Gewinnungstechnik aus der Sicht der Hersteller" * |
Also Published As
Publication number | Publication date |
---|---|
EP0429051B1 (fr) | 1993-04-21 |
DE3938572A1 (de) | 1991-05-23 |
DE3938572C2 (fr) | 1991-11-28 |
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