EP1183440B1 - Tete d'excavation de roches pour montage sur bras d'excavateur - Google Patents

Tete d'excavation de roches pour montage sur bras d'excavateur Download PDF

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Publication number
EP1183440B1
EP1183440B1 EP00940006A EP00940006A EP1183440B1 EP 1183440 B1 EP1183440 B1 EP 1183440B1 EP 00940006 A EP00940006 A EP 00940006A EP 00940006 A EP00940006 A EP 00940006A EP 1183440 B1 EP1183440 B1 EP 1183440B1
Authority
EP
European Patent Office
Prior art keywords
bevel
cutting heads
gear
drive motor
head according
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.)
Expired - Lifetime
Application number
EP00940006A
Other languages
German (de)
English (en)
Other versions
EP1183440A1 (fr
Inventor
Peter Kogler
Ernst Hammerlindl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Mining and Construction GmbH
Original Assignee
Voest Alpine Bergtechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Voest Alpine Bergtechnik GmbH filed Critical Voest Alpine Bergtechnik GmbH
Priority to AT00940006T priority Critical patent/ATE273442T1/de
Publication of EP1183440A1 publication Critical patent/EP1183440A1/fr
Application granted granted Critical
Publication of EP1183440B1 publication Critical patent/EP1183440B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • 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
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
    • E21D9/102—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis
    • E21D9/1026—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis the tool-carrier being rotated about a transverse axis

Definitions

  • the invention relates to a rock head for cultivation on implement support arms, e.g. Excavator arms, with an in Support arm arranged drive motor for driving interchangeable Milling drums or discs or cutting heads and one between the drive motor and an output shaft for the Cutter heads arranged gear, the gear being a Bevel gear stage with a bevel pinion with the axis of the excavator arm essentially parallel or coaxial axis and one Includes bevel gear and lubricant from a lubricant sump the gearbox in any orientation of the rock cutting heads is fed.
  • implement support arms e.g. Excavator arms
  • a rock milling head of the type mentioned is, for example see US 4,162,104.
  • the spur gear must therefore be limited to the maximum moments to be transmitted the tooth width must be dimensioned, the intermediate gear in principle has no influence on the gear ratio.
  • the reinforced Dimensioning is particularly with regard to the double tooth load required.
  • Excavator mounting kits are different of the circumstances, such as in Cutting machines are available over a relatively large vertical Swivel angle range of about 180 ° used and such Swivel angle now requires that a safe in every position Lubrication is present.
  • US-A 5 478 139 is a further embodiment of an excavator attachment kit can be seen, in particular the relatively large Swivel angle, which are coated with such mounting kits is shown.
  • the drive from Cutting heads via a chain drive on which two hydraulic motors are coupled. Again, this is a relative one to supply large volume with lubricant, so that a perfect Lubrication by spraying in any position Cantilever arm is not easily guaranteed.
  • the in the US-A 5 478 139 described embodiment of the excavator attachment kit also does not allow the replacement of cutting heads by corresponding larger cutting heads if the drive is not overloaded shall be.
  • the invention now aims at a rock head create which, even when using cutting heads with different Safe lubrication in any diameter Orientation allowed and at the same time with slim and narrow cantilever arms can be used.
  • the invention further aims at such a rock head with a correspondingly slim design and high operational reliability the lubrication required moments for different Diameter of cutting heads securely to the output shafts for to provide the cutting heads, with a conversion as large a number as possible for larger or smaller cutting heads of components can be used unchanged and therefore only a small proportion of components need to be replaced.
  • the training according to the invention essentially in that optional cutting heads with different Diameters are attachable that the bevel gear is arranged coaxially to the drive axis of the cutting heads and that either between drive motor and bevel pinion or between Bevel gear and output shaft for the cutting heads a reduction gear is arranged.
  • the Drive is arranged in the support arm and via a bevel gear stage is connected to the output shafts for the cutting heads created the prerequisite for a correspondingly space-saving Construction to choose, in which the bevel pinion with Axis of the excavator arm essentially parallel or coaxial Axis is arranged and thus requires only a small width and nevertheless the required distance between the motor and the output shaft guaranteed for the cutting heads, which one for use larger cutting heads is required.
  • the Bevel gear stage for different sizes of the cutter arms in essentially unchanged, with the corresponding Choice of the arrangement of the reduction gear Bevel pinion and the bevel gear in both cases with unchanged Dimensioning in the position, the output shaft is the required To provide output torque.
  • the core case with the bevel gear stage can continue to be used unchanged and therefore the connection conditions remain the boom of the excavator for different cutting heads in the essentially the same.
  • the training according to the invention is so hit that the reduction gear as a planetary gear or Epicyclic gear is formed.
  • a planetary gear, Epicyclic gear or spur gear can be in particularly space-saving way at the required Intermediate place, such a planetary gear in the case of the arrangement between bevel gear and output shaft for the cutting heads are integrated in the housing for the bevel gear stage can be and therefore can also be lubricated safely.
  • the invention is advantageously made so that the Reduction gear for cutting heads with a smaller diameter between motor and bevel pinion and with larger heads Diameter between bevel gear and output shaft for the cutting heads is arranged.
  • This ensures that the drive torques for cutting heads with larger diameters same dimensioning of bevel pinion and bevel gear safely Be provided because in this case the bevel pinion rotates at a correspondingly higher speed and the speed only reduced after the bevel gear by the reduction gear becomes. It can therefore be used with small bevel pinions and Bevel gears can be found, and vice versa then, if smaller cutting heads are used, the rotation speed of the bevel pinion can already be selected lower can, since in this case only transmit smaller moments Need to become.
  • the design of the planetary gear for cutting heads larger Diameter can be made in a simple way that a planetary gear connected downstream of the one with the output shaft for the cutting heads rotatably connected Planetary gear carrier and that the bevel gear rotatably with a sun gear designed as a sleeve or bushing for the Planetary gears are coupled, with bevel gear, sun gear and the Axis of the output shaft are arranged coaxially, such Training the safe lubrication of the planetary gear guaranteed inside the housing for the bevel gear stage.
  • the bevel pinion itself can be used in the design according to the invention in any case by spray oil, which from the teeth of the Bevel gear stage is driven out, adequately lubricated, a complete seal to the extension arm is advantageous there.
  • the training is advantageous hit that the bevel pinion on the motor facing Side is sealed in the support arm.
  • the one facing the bevel gear The pinion can now be stored near the tooth mesh be, in this area again by spray oil adequate lubrication of the bearing is guaranteed.
  • FIG. 1 shows a side view of the rock head
  • Fig. 2 is a view in the direction of arrow II-II schematically partly in section through a first form of training Cutter heads
  • Fig. 3 an analog section, like Fig. 2, at Use of correspondingly larger cutting heads.
  • Fig. 1 the end of the excavator arm is designated 1.
  • the Schrämkopf is indicated schematically by the contour 2, wherein with 3 the bearing caps are indicated schematically.
  • the rock head together with the connection unit is with bearing eyes 4 with the Excavator arm connected.
  • the bevel pinion 8 is in the front end 9 of the cantilever arm or excavator arm mounted, the engine facing inner bearing 10 designed as a grease-lubricated bearing which is via seals 11 relative to the bearing housing 12 the bevel gear stage is sealed.
  • the bearing housing 12 of the Bevel gear stage adjacent bearing 13 itself is in turn the lubricant sump accommodated in the bearing housing 12 is lubricated and does not have to be sealed.
  • the bevel pinion 8 meshes with a bevel gear 14, which during training 2 rotatably with the output shaft 15 for the cutting heads 2 is connected.
  • the output shaft 15 is supported outside the bevel gear stage and is schematic with 16 and 17 indicated.
  • Fig. 2 with 2 ' is the outline of corresponding larger cutter heads shown, for which the drive and the storage in Modified in accordance with FIG. 3.
  • the axis of rotation of the hydraulic motor 5 is indicated schematically at 18 and is coaxial to the output shaft 7 of the planetary gear 6 and to the axis of the bevel pinion 8.
  • the hydraulic motor 5 is now directly connected to the bevel pinion 8 via the drive spur gear 19, the storage of the bevel pinion 8 in turn unchanged compared to the design when using smaller ones Cutting heads are made.
  • the cutting head contour accordingly larger cutter head is again indicated with 2 ', now the bevel gear 14 no longer rotatably with the output shaft 15 is connected for the cutting heads, but rather non-rotatably via a toothing with a sleeve-shaped sun gear 20 combs.
  • the planet carrier 21 is rotationally fixed to the output shaft 15 connected for the cutting heads and the planet gears 22 are engaged with the sun gear 20.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Gear Transmission (AREA)

Claims (9)

  1. Tête d'excavation de roches destinée à être montée sur des bras de support d'engins de travail, par exemple des bras d'excavateur (1), avec un moteur d'entraínement (5) disposé sur le bras de support pour l'entraínement de tambours ou de disques de fraisage ou de têtes de havage (2) amovibles et avec un engrenage disposé entre le moteur d'entraínement (5) et un arbre de sortie (15) pour les têtes de havage, l'engrenage comprenant un étage de roues coniques avec un pignon conique (8) dont l'axe (18) est sensiblement parallèle ou coaxial à l'axe du bras d'excavateur (1) et avec une roue conique (14), et du lubrifiant étant amené à l'engrenage à partir d'un réservoir de lubrifiant alors que les têtes d'excavation de roches se trouvent dans une position quelconque, caractérisée en ce que l'on peut monter au choix des têtes de havage (2, 2') de diamètre différent, en ce que la roue conique (14) est disposée de manière coaxiale à l'axe d'entraínement des têtes de havage (2) et en que ce qu'un engrenage réducteur est monté au choix entre le moteur d'entraínement (5) et le pignon conique (8) ou entre la roue conique (14) et l'arbre de sortie (15) pour les têtes de havage (2).
  2. Tête d'excavation de roches selon la revendication 1, caractérisée en ce que l'engrenage réducteur est conçu comme un engrenage épicycloïdal, un engrenage à roues planétaires ou un engrenage à roues droites.
  3. Tête d'excavation de roches selon la revendication 1 ou 2, caractérisée en ce que l'engrenage réducteur est disposé, pour les têtes de havage (2) de petit diamètre, entre le moteur d'entraínement (5) et le pignon conique (8), et pour les têtes de havage de plus grand diamètre, entre la roue conique (14) et l'arbre de sortie (15) pour les têtes de havage (2).
  4. Tête d'excavation de roches selon l'une des revendications 1, 2 ou 3, caractérisée en ce que l'arbre (19) du moteur d'entraínement (5) est parallèle ou coaxial à l'axe (18) du pignon conique (8).
  5. Tête d'excavation de roches selon l'une des revendications 2 à 4, caractérisée en ce qu'un engrenage épicycloïdal (6) disposé dans le bras de support (1) présente des arbres d'entraínement et de sortie (7).
  6. Tête d'excavation de roches selon l'une des revendications 2 à 5, caractérisée en ce qu'un engrenage épicycloïdal monté en aval que la roue conique (14) possède un support de roue planétaire (21) relié de manière solidaire en rotation avec l'arbre de sortie (15) pour les têtes de havage (2) et en ce que la roue conique (14) est couplée de manière solitaire en rotation avec une roue solaire (20) pour les roues planétaires, conformée comme un manchon ou une douille, la roue conique (14), la roue solaire (20) et l'axe de l'arbre de sortie (15) étant coaxiaux.
  7. Tête d'excavation de roches selon l'une des revendications 1 à 6, caractérisée en ce que le pignon conique (8) est supporté de manière étanche dans le bras de support (1) sur le côté tourné vers le moteur d'entraínement (5).
  8. Tête d'excavation de roches selon la revendication 7, caractérisée en ce que le palier (10) du pignon conique (8) tourné vers le moteur d'entraínement (5) est pourvu d'une lubrification par graissage ou à sec et en ce que le palier (13) orienté à l'opposé du moteur d'entraínement (5) est lubrifié par pulvérisation d'huile à partir du carter (12) contenant l'étage de roues coniques.
  9. Tête d'excavation de roches selon l'une ou l'ensemble des revendications 1 à 8, caractérisée en ce que l'arbre de sortie (15) pour les roues de havage (2) est supporté dans les parois latérales du carter (12) contenant l'étage de roues coniques.
EP00940006A 1999-06-08 2000-06-06 Tete d'excavation de roches pour montage sur bras d'excavateur Expired - Lifetime EP1183440B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT00940006T ATE273442T1 (de) 1999-06-08 2000-06-06 Gesteinskopf für den anbau an baggerarmen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT101699 1999-06-08
AT101699 1999-06-08
PCT/AT2000/000159 WO2000075488A1 (fr) 1999-06-08 2000-06-06 Tete d'excavation de roches pour montage sur bras d'excavateur

Publications (2)

Publication Number Publication Date
EP1183440A1 EP1183440A1 (fr) 2002-03-06
EP1183440B1 true EP1183440B1 (fr) 2004-08-11

Family

ID=3504971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00940006A Expired - Lifetime EP1183440B1 (fr) 1999-06-08 2000-06-06 Tete d'excavation de roches pour montage sur bras d'excavateur

Country Status (4)

Country Link
EP (1) EP1183440B1 (fr)
AU (1) AU5509000A (fr)
DE (1) DE50007392D1 (fr)
WO (1) WO2000075488A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20010632A1 (it) * 2001-10-16 2003-04-16 Simex Engineering S R L Fresatrice oleodinamica per macchine escavatrici
US10273803B2 (en) 2016-12-15 2019-04-30 Caterpillar Global Mining Europe Gmbh Implement system for machine and operating method therefor
EP3527723A1 (fr) 2018-02-20 2019-08-21 BAUER Maschinen GmbH Procédé de traitement d'un sol et tête de fraisage correspondante

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT344645B (de) * 1976-05-25 1978-08-10 Voest Ag Schraemmaschine
AT385086B (de) * 1986-04-16 1988-02-10 Voest Alpine Ag Antriebsanordnung fuer die schraemkoepfe einer schraemmaschine
AT388024B (de) * 1987-06-17 1989-04-25 Voest Alpine Ag Antriebsanordnung fuer die schraemkoepfe oder -walzen einer vortriebs- oder gewinnungsmaschine
DE3734350A1 (de) * 1987-10-10 1989-04-20 Salzgitter Maschinenbau Schraemkopf fuer teilschnittmaschine
US5478139A (en) 1993-05-25 1995-12-26 Rockmaster Equipment Manufacturing, Inc. Mobile digging/cutting system
DE19645650C1 (de) 1996-11-06 1998-01-22 Webster Schaeff & Co Gesteinsfräskopf

Also Published As

Publication number Publication date
AU5509000A (en) 2000-12-28
EP1183440A1 (fr) 2002-03-06
WO2000075488A1 (fr) 2000-12-14
DE50007392D1 (de) 2004-09-16

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