EP0086975B1 - Châssis coulissant avec dispositif de piston de pivotement, notamment pour pelle mécanique déplaçable transversalement - Google Patents

Châssis coulissant avec dispositif de piston de pivotement, notamment pour pelle mécanique déplaçable transversalement Download PDF

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Publication number
EP0086975B1
EP0086975B1 EP83100628A EP83100628A EP0086975B1 EP 0086975 B1 EP0086975 B1 EP 0086975B1 EP 83100628 A EP83100628 A EP 83100628A EP 83100628 A EP83100628 A EP 83100628A EP 0086975 B1 EP0086975 B1 EP 0086975B1
Authority
EP
European Patent Office
Prior art keywords
slide frame
slide
frame
slide rail
crossmembers
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
Application number
EP83100628A
Other languages
German (de)
English (en)
Other versions
EP0086975A2 (fr
EP0086975A3 (en
Inventor
Leroy Ernest Kraske
Gregory Keith Werner
Lynn Irvin Beauchamp
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP0086975A2 publication Critical patent/EP0086975A2/fr
Publication of EP0086975A3 publication Critical patent/EP0086975A3/de
Application granted granted Critical
Publication of EP0086975B1 publication Critical patent/EP0086975B1/fr
Expired 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
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/382—Connections to the frame; Supports for booms or arms
    • E02F3/386—Connections to the frame; Supports for booms or arms the boom being laterally shiftable relative to the frame

Definitions

  • the invention relates to a slide frame with a piston pivoting device, in particular for a side-shovel backhoe, the slide frame having an upper and lower slide rail overlap surface, which is designed for slidably gripping over correspondingly designed slide rails, between which a parallel upper and a parallel lower cross member are arranged in which hydraulic pivoting cylinders lying in between and extending perpendicular to the plane of the sliding frame are mounted and can be pivoted about vertical axes in a horizontal plane.
  • a tractor is disclosed here, on the back of which a side-shift backhoe is mounted. It is attached using a support frame with an upper and lower slide rail that runs across the tractor and on which a slide frame is arranged so that it can be moved laterally.
  • the sliding frame can be locked in the desired displacement position on the supporting frame or on its sliding rails by a blocking device.
  • a swing frame is pivotally mounted, which is pivoted about a vertical axis in a horizontal plane.
  • two hydraulic swivel cylinders lying one above the other and extending perpendicular to the plane of the slide frame which engage with corresponding vertical bores in corresponding bearing bores of cross members of the slide frame with upper and lower vertical pins aligned with one another.
  • the free end of the piston rods of these two swivel cylinders is articulated on the swing frame, which is pulled in. or extending the piston rods can be pivoted to the left or right.
  • the upper slide rail is supported by a horizontal plate, against the front end edge of which a downwardly projecting strip is screwed, which engages behind the upper slide rail.
  • the lower slide rail overlapping surface is also formed by a strip screwed against the front end edge of a lower horizontal plate, which projects upwards and engages behind a lower slide or guide rail.
  • the cross members, between which the two pivoting cylinders are mounted form an integral part of the slide frame.
  • the pivoting cylinders are mounted between the cross members in front of the slide rails, whereby the terms "front and" rear refer to the tractor, on the rear of which the device mentioned is mounted.
  • the assembly or disassembly of the pivoting cylinder is difficult because of numerous other components that complicate handling.
  • the invention is therefore based on the object of improving the sliding frame explained at the outset with regard to the assembly and disassembly of individual components.
  • the swivel cylinders can engage with corresponding vertical bores of the crossbeams with upper and lower vertical pins that are aligned with one another.
  • the pivoting cylinders are thus mounted exclusively on the two cross members, so that this assembly can be carried out outside the actual device without being hindered by other components.
  • the assembly consisting of the cross members and the pivoting cylinders can then be mounted on the slide frame in a particularly simple and quick manner, the fixing preferably being carried out by means of screw bolts.
  • the latter can be inserted from the back of the slide frame in the area of the vertical surfaces mentioned, which can be carried out easily because the back is freely accessible.
  • the upper slide rail overlapping surface is partially cylindrical and is open at the bottom, while the lower slide rail overlapping surface is formed by a stop rail bent forward and upward, which is detachably mounted on the slide frame via fastening means.
  • the slide frame thus hangs on the upper slide rail, from which it can be easily removed when the lower stop rail is unscrewed from the slide frame.
  • FIG. 1 shows a side-shift shovel excavator 10 which is mounted on the rear of a tractor 12.
  • Said device comprises a support frame 14 which extends transversely over the rear of the tractor and which has an upper slide rail 16 (see FIG. 2) with an approximately semi-cylindrical upper slide surface 17 and a lower rail 18 which is welded against the underside of a transverse box girder 20 .
  • the lower rail 18 has a front abutment surface 21 that slopes downwards.
  • a slide frame 22 is bent at its upper end 24 forward and downward in a hook-like manner and thus forms a downwardly open slide rail overlap surface 26 which is adapted to the round surface contour 17 of the upper slide rail 16.
  • the sliding frame 22 also has a center piece 28, which is provided with a most front, approximately flat front side 30, against the lower region of which a stop rail 32 is screwed with bolts 31.
  • the latter runs parallel to the lower rail 18 of the support frame 14, is bent forward and upward and forms a somewhat spherical, sloping upward and rearward-pointing slide rail overlap surface 34 which is assigned to the stop surface 21 of the lower rail 18.
  • the slide frame 22 After unscrewing the stop rail 32, the slide frame 22 only needs to be lifted upward out of the upper slide rail 16 support frame 14 in order to be removed from the support frame.
  • the slide frame 22 can be assembled very easily in the same way, since it only has to be hung on the upper slide rail 16 with its hook-shaped upper end 24.
  • the stop rail 32 can then be screwed on
  • a cylinder bore 36 is provided on the left and right (see in particular FIG. 3), in which double-acting hydraulic pistons 38 are arranged, which partially extend against the rear side 40 of the cross-member beam 20 and partially against when extending forward create the back 42 of the lower rail 18. If liquid pressure is admitted into the cylinder bores 36 on the rear side of the pistons 38, the pistons 38 bear against the mentioned rear surfaces 40, 42 and thereby pivot the slide frame 22 clockwise around the slide surface 17 of the upper slide rail 16.
  • the slide rail overlap surface 34 lies down the stop rail 32 against the stop surface 21, the inclination of which, due to the force exerted by the piston 38, causes a downward force component, which leads to a high frictional connection between the upper receptacle 26 of the slide frame and the upper slide rail 16, so that the slide frame 22 is blocked with respect to a lateral displacement.
  • a relatively large, approximately rectangular passage opening 44 is provided, which is open to the front and rear and is delimited at its upper and lower edges by recesses, which are each open to the front 30 of the slide frame 22 and an upper one and form the lower, forward-facing vertical surface 46, 48.
  • an upper and a lower cross member 54, 56 are releasably attached via upper and lower bolts 50, 52, which have an approximately rectangular cross section.
  • the upper cross member 54 shown in FIG. 3 has a right and left bearing bore 58, 60 which are aligned with corresponding bores of the lower cross member 56, only the left bore 64 being indicated in FIG. 2 of these bores.
  • a right-hand, linearly acting hydraulic pivoting device 66 has a cylinder 68 which, with an upper and lower vertical pin, not shown, pivotably engage in the bearing bores 58 of the crossbeams 54, 56.
  • the left, linearly acting hydraulic adjustment device 74 also comprises a cylinder 76, which engages with the upper and lower vertical pins 78, 80 so as to pivot in the bearing bores 60, 64 mentioned. From the rear ends of the cylinders 68, 76 protrude piston rods 82, 84, which are articulated directly to the eyes of a swing frame 90 which are arranged next to one another at a horizontal distance and are pivotally supported by the sliding frame 22 via vertical axes 92. If, with reference to FIG.

Claims (4)

1. Châssis coulissant (22) avec dispositif de pivotement à pistons (54, 56, 66, 74, 78, 80), en particulier pour pelle mécanique à translation latérale (10), selon lequel le châssis coulissant (22) comporte des surfaces supérieure et inférieure (26, 34) de chevauchement de rails formant glissières, destinées à chevaucher d'une manière permettant un coulissement des rails formant glissières (16, 18) de conformation correspondante et entre lesquelles sont disposées une traverse supérieure parallèle et une traverse inférieure parallèle (54, 56) dans lesquelles sont montés des vérins de pivotement hydrauliques (66, 74) disposés entre ces traverses et orientés perpendiculairement au plan du châssis coulissant, ces vérins pouvant pivoter dans un plan horizontal autour d'axes verticaux (78, 80) caractérisé par les particularités suivantes :
a) il est prévu dans le châssis coulissant (22), entre les surfaces supérieure et inférieure (26, 34) de chevauchement des rails formant glissières, un orifice de passage (44) de forme sensiblement rectangulaire ;
b) les traverses précitées (54, 56) sont montées de façon amovible sur le châssis coulissant (22) au-dessus et au-dessous de cet orifice de passage (44), au moyen d'organes de fixation amovibles (50, 52) ;
c) les deux vérins de pivotement (66, 74) sont disposés l'un à côté de l'autre et s'étendent à travers l'orifice de passage (44).
2. Châssis coulissant suivant la revendication 1, caractérisé en ce qu'il est prévu, pour la réception des traverses (54, 56), directement au-dessus et au-dessous de l'orifice de passage (44), chaque fois un évidement ouvert en direction de la face avant (30) du châssis coulissant (22), cet évidement formant des surfaces verticales supérieure et inférieure (46, 48) contre lesquelles les traverses (54, 56) sont maintenues par les organes de fixation (50, 52).
3. Châssis coulissant suivant la revendication 1 ou 2, caractérisé en ce que les vérins de pivotement (66, 74) s'engagent par des axes ou tourillons verticaux supérieur et inférieur (78, 80) alignés l'un avec l'autre dans des perçages formant paliers correspondants (58, 60, 64) des traverses (54, 56).
4. Châssis coulissant suivant la revendication 1, 2 ou 3, caractérisé en ce que la surface supérieure (26) de chevauchement d'un rail formant glissière a une forme partiellement cylindrique et est ouverte en direction du bas, tandis que la surface inférieure (34) de chevauchement d'un rail formant glissière est formée par un rail de butée (32) recourbé vers l'avant et vers le haut, qui est monté amoviblement sur le châssis coulissant (22) au moyen d'organes de fixation (31).
EP83100628A 1982-02-18 1983-01-25 Châssis coulissant avec dispositif de piston de pivotement, notamment pour pelle mécanique déplaçable transversalement Expired EP0086975B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/349,797 US4397603A (en) 1982-02-18 1982-02-18 Backhoe slide frame and swing mechanism
US349797 1982-02-18

Publications (3)

Publication Number Publication Date
EP0086975A2 EP0086975A2 (fr) 1983-08-31
EP0086975A3 EP0086975A3 (en) 1983-11-30
EP0086975B1 true EP0086975B1 (fr) 1985-08-28

Family

ID=23374004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100628A Expired EP0086975B1 (fr) 1982-02-18 1983-01-25 Châssis coulissant avec dispositif de piston de pivotement, notamment pour pelle mécanique déplaçable transversalement

Country Status (4)

Country Link
US (1) US4397603A (fr)
EP (1) EP0086975B1 (fr)
CA (1) CA1191485A (fr)
DE (1) DE3360630D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960359A (en) * 1989-01-23 1990-10-02 Lovitt Jr Estel L Demountable swing boom hoist for front end loaders
US6637136B2 (en) * 2001-07-10 2003-10-28 Kuboto Corporation Backhoe unit detachably attached to a tractor
JP4342360B2 (ja) * 2004-03-25 2009-10-14 株式会社クボタ 作業車
US20080025830A1 (en) * 2006-07-25 2008-01-31 Pielmeier Kevin E Mounting device for an implement
US7950894B2 (en) * 2006-07-25 2011-05-31 Caterpillar Sarl Adjustable operator interface
JP2017014872A (ja) * 2015-07-06 2017-01-19 日立建機株式会社 作業装置アセンブリの保持装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304100A (en) * 1965-04-22 1967-02-14 Case Co J I Hydraulic apparatus for locking a side shiftable excavator
GB1053409A (fr) * 1967-01-12 1900-01-01
US3495727A (en) * 1968-01-19 1970-02-17 Long Mfg Co Inc Backhoe
JPS4944481B1 (fr) * 1969-07-15 1974-11-28
JPS534722B2 (fr) * 1973-05-31 1978-02-20
JPS5339681B2 (fr) * 1974-11-14 1978-10-23
US4039095A (en) * 1975-03-10 1977-08-02 J. I. Case Company Swing mechanism for backhoe
US4201509A (en) * 1978-10-04 1980-05-06 Ford Motor Company Backhoe swing cylinder hydraulic circuit
US4272222A (en) * 1979-01-11 1981-06-09 The General, Inc. Boom apparatus

Also Published As

Publication number Publication date
CA1191485A (fr) 1985-08-06
US4397603A (en) 1983-08-09
EP0086975A2 (fr) 1983-08-31
EP0086975A3 (en) 1983-11-30
DE3360630D1 (en) 1985-10-03

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