EP0456796B1 - Dispositif de transport de minerais exploites - Google Patents

Dispositif de transport de minerais exploites Download PDF

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Publication number
EP0456796B1
EP0456796B1 EP91900123A EP91900123A EP0456796B1 EP 0456796 B1 EP0456796 B1 EP 0456796B1 EP 91900123 A EP91900123 A EP 91900123A EP 91900123 A EP91900123 A EP 91900123A EP 0456796 B1 EP0456796 B1 EP 0456796B1
Authority
EP
European Patent Office
Prior art keywords
machine frame
shovel
cylinder
piston
side arms
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
EP91900123A
Other languages
German (de)
English (en)
Other versions
EP0456796A1 (fr
Inventor
Helmut Gradenegger
Eduard Krivec
Egmont Lammer
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
Publication of EP0456796A1 publication Critical patent/EP0456796A1/fr
Application granted granted Critical
Publication of EP0456796B1 publication Critical patent/EP0456796B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/3405—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/342—Buckets emptying overhead
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/348—Buckets emptying into a collecting or conveying device
    • E02F3/3483—Buckets discharging on a conveyor or elevator mounted on the machine
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/02—Conveying equipment mounted on a dredger
    • E02F7/026—Conveying equipment mounted on a dredger mounted on machines equipped with dipper- or bucket-arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0841—Articulated frame, i.e. having at least one pivot point between two travelling gear units

Definitions

  • the invention relates to a discharge device for conveying piles with a continuous conveyor designed in particular as a belt or chain conveyor, with a machine frame and a shovel pivotably articulated on cantilever arms, the cantilever arms on a rocker arm articulated at the front end of the machine frame for the separate displacement of the Bucket (8) are pivoted in the longitudinal direction of the machine in the vertical direction and the extension arms and the rocker are connected to the front end of the machine frame by means of cylinder-piston assemblies, and a feed chute is arranged above the continuous conveyor in the area of the front end of the machine frame facing the pile, the loading shovel for dropping the pile into the feed chute, it can be pivoted about at least one substantially horizontal axis crossing or intersecting the longitudinal axis of the discharge device and the pivot drive of the cantilever arms swept a swivel angle at which the upper edge of the rear wall of the loading shovel reaches above the feed opening of the feed chute and forms the trailing edge of the conveyed goods received by the loading shovel
  • Removal devices of the type mentioned are known for example from AT-PS 380 451.
  • pivoting of the rocker arm and the extension arms as well as additional pivoting of the loading shovel made it possible to transfer the picked up material to a continuous conveyor, with a relatively complex handlebar kinematics being necessary with regard to the pivoting path required for such overhead transfer of the picked up material.
  • the type of articulation and actuation of the rocker and the extension arms provided in the known device meant that the loading shovel had to be raised and pivoted relatively far in front of the machine's center of gravity in the machine longitudinal direction, so that a correct weight distribution in the longitudinal direction of the conveyor had to be taken care of to prevent tipping.
  • the required stability in such a device can only be guaranteed by appropriate weight and correspondingly long training of the continuous conveyor as a counterweight arm.
  • US Pat. No. 3,920,139 shows a movable loading device which is moved into a pile when the loading shovel is lowered, whereupon a lifting and tilting movement of the shovel is brought about by means of a rocker arm.
  • the cylinder-piston unit for driving this rocker is supported at the end of the machine frame behind the swing axis of the rocker for the stroke-tilt movement.
  • the invention now aims to develop a device of the type mentioned in such a way that the load pick-up is improved while reducing the risk of tipping and at the same time creating conditions which offer better maneuverability and maneuverability of the device without an increased risk of tipping.
  • the device according to the invention consists in the fact that the support of the cylinder-piston unit (s) for the rocker at the front end of the machine frame, seen in side view, is arranged behind the support of the rocker at the front end of the machine frame.
  • the chosen kinematics of the linkage of the swing arm and swing arm drive enables a more compact design overall and taking into account the fact that the entire swivel path is covered closer to the front edge of the machine frame and thus closer to the tilting edge defined by the front wheels, this enables correspondingly shorter continuous conveyors use and thus reduce the overall machine length, which makes the maneuverability already clear is increased.
  • the support of the cylinder-piston unit for the rocker in the specified manner also offers better load absorption, since such a cylinder-piston unit is pressurized on the piston side for the insertion of the bucket into the pile and for the lifting of the bucket, while comparable Constructions, such as the above-mentioned construction according to AT-PS 380 451, have accepted a tensile load on the swivel drive here.
  • the design according to the invention is developed so that the support of the rocker at the front end of the machine frame lies in the side view between the machine frame-side supports of the cylinder-piston units for the pivot drive of the rocker and the extension arms.
  • cylinder-piston units which are dimensioned in accordance with the forces to be absorbed can be accommodated in a space-saving manner without any restrictions or obstructions being able to occur over the relatively large pivoting path of the extension arms and the bucket.
  • a particularly compact design is obtained when the design is such that the cantilever arms are cranked and that the free ends of the cantilever arms, to which the bucket is pivotally articulated, are substantially parallel to the front of the machine frame when the bucket is lowered the cylinder-piston unit (s) for pivoting the boom arms.
  • the maneuverability and Improve maneuverability in that the machine frame consists of a frame front part and a frame rear part, which are connected to each other via an articulated joint with a vertical articulated axis running transversely to the machine longitudinal direction, and that the continuous conveying means is formed by two adjoining conveyors, the transfer point of which in the area of the articulated joint Frame parts lies.
  • Such an articulated joint in the machine frame has the result that the center of gravity is clearly shifted in the case of an angled position, with the risk of tipping increasing significantly in the event of such pivoting of a machine frame rear part relative to the machine frame front part without simultaneous improvement in the kinematics to reduce the risk of tipping.
  • a particularly compact and short construction for the swivel drive of the loading shovel relative to the extension arms or to a cross member, which in turn can be swiveled relative to the extension arms, can be achieved in that the drive cylinder-piston units for the swiveling of a cross member for the loading shovel and the swiveling of the loading shovel are arranged crossing each other relative to this cross member.
  • FIG. 1 shows a side view of a discharge device according to the invention
  • Fig. 2 is a plan view in the direction of arrow II of the discharge device of Fig. 1
  • Fig. 3 in an enlarged scale a side view of the articulation of the loading shovel over the boom arms and swing arm.
  • the discharge device 1 shown in FIGS. 1 and 2 has a frame front part 2 and a frame rear part 3, which are pivotally connected to one another via a schematically indicated articulated joint with an articulated axis 4.
  • the frame parts 2 and 3 can be moved via wheels 5.
  • a loading shovel 8 is articulated via a rocker arm 6 and extension arms 7, with some positions of the loading shovel 8 and associated pivoting paths of the front edge 9 of the loading shovel 8 being indicated by dashed lines in FIG. 1 .
  • Material or pile picked up by the loading shovel 8 is transferred to a first continuous conveyor 10, for example a belt or chain conveyor, via a feed chute 35 in the region of the front end of the frame front part 2 and subsequently to a transfer point 11 in the area of the articulation axis 4 on the rear frame part 3, which can be raised and lowered via a cylinder-piston unit 12, transferred to the second continuous conveyor 13.
  • the second conveyor 13 can be raised and lowered in the sense of the double arrow 14 by the cylinder-piston unit 12 and articulated at 15 on the rear frame part.
  • the articulation of the first conveyor 10 on the frame front part 2 is indicated by 16.
  • the conveyors 10 and 13 are mounted on damping blocks 17, so that, together with the articulated arrangement of the conveyors 10 and 13, the impact forces occurring during the transfer of the material can be at least partially damped.
  • the rear frame part 3 can be pivoted relative to the front frame part 2 by a relatively large angle ⁇ , which can be, for example, in the order of 30 ° from the central axis, so that in such a pivoting into one of the two indicated by dashed lines Lateral positions result in a noticeable shift in the center of gravity of the entire removal device in the direction of the front end of the machine or in the direction of the loading shovel and its articulation.
  • ⁇ which can be, for example, in the order of 30 ° from the central axis, so that in such a pivoting into one of the two indicated by dashed lines
  • Lateral positions result in a noticeable shift in the center of gravity of the entire removal device in the direction of the front end of the machine or in the direction of the loading shovel and its articulation.
  • the kinematics for the loading shovel shown in Fig. 3 is selected, with the one closest to the front end of the machine frame in Fig. 3 Position is shown.
  • the rocker arm 6 is articulated on the machine frame front part 2 via a articulation point 18 and via a cylinder-piston unit 20 articulated on the frame at 19, which acts on the rocker arm 6 at 21 at the end opposite the articulation point 18, in the direction of a movement of the loading shovel 8 pivotable to the pile.
  • rocker arm 6 On the rocker arm 6 are pivotally articulated at 22 cantilever arms 7, which can be actuated via at least one cylinder-piston unit 24 articulated on the machine frame at 23, the cylinder-piston unit 24 acting at 25 in the region of the cranking of the cantilever arms 7.
  • a cross member or support 27 for the loading shovel 8 is articulated to the boom arms 7 at 26, which can be pivoted via at least one cylinder piston unit 28 via an articulated linkage 29 on the boom arms and an articulated linkage 30 on the cross member or support.
  • At least one further cylinder-piston unit 31 is provided, which acts on the cross member 27 in the region of the pivot axis 26 of the cross member 27 and its articulation point on the loading shovel 8 with 32 is designated, wherein the pivot axis of the loading bucket is designated 34.
  • a further improvement of the compact design also results from the fact that the cross member or support 27 is articulated to the boom arms 7 at 26 at the lowest point thereof, the kinematics of the loading shovel 8 in particular due to the crossed arrangement of the cylinder-piston assemblies 28 and 31 when lifting and ejecting is further improved.
  • the first conveyor which opens in the area between the boom arms 7, is for the sake of clarity not shown.
  • struts 33 are indicated in FIG. 2, which are also not shown in FIG. 3.
  • the removal device 1 can in any case load parallel to the base and it is ensured that the operation of the loading shovel for material transfer will be carried out without risk of tipping over.
  • the risk of tipping must not least be eliminated because the removal device is used at relatively low track heights and the free space to the ridge for tipping the machine is not available and a correspondingly long-sized funding cannot be used as a counterweight.
  • the base-parallel movement of the blade in the direction of the heap for the reception of the material can be further improved, with the chosen arrangement of the cylinder-piston units 20 and 24 relative to the articulation of the rocker 6 so that the method in In the direction of the pile, the cylinder-piston units 20 and 24 are actively communicated.
  • a switchover is carried out for a separate action on the individual cylinder-piston units, specifically when the blade penetrates the pile.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Framework For Endless Conveyors (AREA)

Abstract

Un dispositif de transport de minerais exploités comprend un engin de manutention continue formé par un transporteur à chaîne ou à bande, un bâti (2) et une pelle (8) reliée de manière pivotable à des flèches (7) verticalement pivotables sur une bascule (6) reliée de manière pivotable à l'extrémité antérieure du bâti (2). Les flèches (7) et la bascule (6) sont reliées par des ensembles piston-cylindre (20, 24) à l'extrémité antérieure du bâti (2). Afin de rejeter les minerais exploités dans une goulotte de chargement agencée à l'extrémité antérieure de l'engin de manutention continue, la pelle de chargement (8) est montée de manière pivotable autour d'au moins un axe (26, 34) sensiblement horizontal. Afin d'obtenir une structure compacte avec une meilleure capacité de chargement, tout en réduisant les risques de renversement, le support des ensembles piston-cylindre pour la bascule (6) à l'extrémité antérieure du bâti (2) est agencé, vu de côté, derrière le support de la bascule (6) à l'extrémité antérieure du bâti (2).

Claims (5)

  1. Dispositif de transport de minerais exploités, destiné à transporter des minerais exploités, avec un moyen de transport continu réalisé en particulier sous forme de transporteur à bande ou à chaîne, avec un cadre machine (2) et une pelle (8) articulée à pivotement sur des bras orientables (7), les bras orientables (7) étant articulés à pivotement en direction de la hauteur sur un balancier (6), destiné au déplacement séparé de la pelle (8) dans la direction longitudinale de la machine, articulé à pivotement à l'extrémité avant du cadre machine (2) et les bras orientables et le balancier étant reliés à l'extrémité avant du cadre machine (2) par l'intermédiaire de groupes à piston et cylindre (20, 24) et dans la zone de l'extrémité avant, tournée vers les minerais à exploiter, du cadre machine (2) étant disposée une goulotte d'alimentation (35) disposée au-dessus du transporteur continu, la pelle de chargement (8) étant susceptible de pivoter, pour projeter le minerais exploité dans la goulotte d'alimentation (35), autour d'au moins un axe pratiquement horizontal (26, 34) croisant ou coupant l'axe longitudinal du dispositif transporteur d'évacuation et l'entraînement de pivotement des bras orientables couvrant une plage de pivotement pour laquelle l'arête supérieure de la paroi arrière de la pelle de chargement (8) arrive au-dessus de l'ouverture d'alimentation de la goulotte d'alimentation (35) et constitue l'arête d'évacuation pour le produit à transporter capté par la pelle de chargement (8), caractérisé en ce que l'appui (19) du ou des groupes à piston et cylindre (20) destinés au balancier (6) à l'extrémité avant du cadre machine (2) est disposé, en observant en vue de côté, derrière l'appui (18) du balancier (6), à l'extrémité avant du cadre machine (2).
  2. Dispositif de transport selon la revendication 1, caractérisé en ce que l'appui (18) du balancier (2) est situé à l'extrémité avant du cadre machine (2), en observant en vue de côté, entre les appuis (19, 23), situés côté machine, des groupes à piston et cylindre (20, 24), destinés à l'entraînement de pivotement du balancier (6) et des bras orientables (7).
  3. Dispositif de transport selon la revendication 1 ou 2, caractérisé en ce que le cadre machine est composé d'une partie avant de cadre (2) et d'une partie arrière de cadre (3), ces parties étant reliées ensemble par l'intermédiaire d'une articulation à direction pivotante au centre, ayant son axe de pivotement vertical (4) orienté dans la direction longitudinale de la machine et en ce que le moyen de transport continu est constitué par deux transporteurs (10, 12) raccordés l'un à l'autre dont le point de transfert (11) est situé dans la zone de l'articulation à direction pivotante au centre des parties de cadre (2, 3).
  4. Dispositif de transport selon la revendications 1, 2 ou 3, caractérisé en ce que les bras orientables (7) sont coudés et en ce que les extrémités libres des bras orientables (7), sur lesquelles la pelle (8) est articulée à pivotement, s'étendent, lorsque la pelle (8) est abaissée, près de l'extrémité avant du cadre machine (2), sensiblement parallèlement au ou aux groupe(s) à piston et cylindre (24) destinés au pivotement en hauteur des bras orientables (7).
  5. Dispositif de transport selon l'une des revendications 1 à 4, caractérisé en ce que les groupes d'entraînement de pistons et cylindres destinés au pivotement d'un support transversal (27) prévu pour la pelle de chargement (8) et au pivotement de la pelle de chargement (8) sont disposés se croisant l'un à l'autre par rapport à ce support transversal (27).
EP91900123A 1989-12-06 1990-12-04 Dispositif de transport de minerais exploites Expired - Lifetime EP0456796B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT2779/89 1989-12-06
AT2779/89A AT393491B (de) 1989-12-06 1989-12-06 Abfoerdereinrichtung zur foerderung von haufwerk
PCT/AT1990/000116 WO1991008351A1 (fr) 1989-12-06 1990-12-04 Dispositif de transport de minerais exploites

Publications (2)

Publication Number Publication Date
EP0456796A1 EP0456796A1 (fr) 1991-11-21
EP0456796B1 true EP0456796B1 (fr) 1995-02-15

Family

ID=3540158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91900123A Expired - Lifetime EP0456796B1 (fr) 1989-12-06 1990-12-04 Dispositif de transport de minerais exploites

Country Status (9)

Country Link
US (1) US5193295A (fr)
EP (1) EP0456796B1 (fr)
JP (1) JPH04505783A (fr)
AT (1) AT393491B (fr)
AU (1) AU631282B2 (fr)
CA (1) CA2015433A1 (fr)
DE (1) DE59008485D1 (fr)
WO (1) WO1991008351A1 (fr)
ZA (1) ZA909706B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016123735A1 (fr) * 2015-02-02 2016-08-11 Guangxi Liugong Machinery Co., Ltd. Système de levage destiné à un engin de chantier

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127038A (en) * 1964-03-31 Shovelling and loading machine
US3115259A (en) * 1961-05-12 1963-12-24 Mixermobile Manufacturers Inc Material handling vehicle
FI43844B (fr) * 1963-12-16 1971-03-01 Lars Harald Widegren
SE305634B (fr) * 1964-08-19 1968-11-04 Atlas Copco Ab
DE2140605B2 (de) * 1971-08-13 1975-06-26 Rheinstahl Ag Hanomag Baumaschinen, 3000 Hannover Anordnung einer Ladeschaufel an einem selbstfahrenden, geländegängigen Fahrzeug mit vor dem Fahrersitz angeordneter kippbarer Transportmulde
JPS5233881B2 (fr) * 1972-10-05 1977-08-31
FR2236057B1 (fr) * 1973-07-05 1978-03-24 Poclain Sa
US4116014A (en) * 1976-05-06 1978-09-26 Unit Rig And Equipment Co. Excavating and pipeline installation system
PL132566B1 (en) * 1981-01-12 1985-03-30 Maszyn Budowlanych Bumar Fadro Side discharging mining loader
AT380451B (de) * 1983-05-05 1986-05-26 Voest Alpine Ag Abfoerdereinrichtung zur foerderung von haufwerk
DE3412829A1 (de) * 1984-04-05 1985-10-31 Fried. Krupp Gmbh, 4300 Essen Foerdergut-ladegeraet
AU4036985A (en) * 1985-03-26 1986-10-02 Societa :C.M.E.: -S.N.C. Di Filonzi Paolo + Tonino Excavating and self-loading skip
DE3621769C1 (de) * 1986-06-28 1988-01-14 Phb Weserhuette Ag Fuer Tagebaugewinnungsgeraete einsetzbare UEbergabeeinrichtung fuer Haufwerk

Also Published As

Publication number Publication date
AT393491B (de) 1991-10-25
CA2015433A1 (fr) 1991-06-06
ZA909706B (en) 1991-10-30
ATA277989A (de) 1991-04-15
AU631282B2 (en) 1992-11-19
DE59008485D1 (de) 1995-03-23
WO1991008351A1 (fr) 1991-06-13
EP0456796A1 (fr) 1991-11-21
JPH04505783A (ja) 1992-10-08
AU6901991A (en) 1991-06-26
US5193295A (en) 1993-03-16

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