EP0261806B1 - Ladevorrichtung - Google Patents

Ladevorrichtung Download PDF

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Publication number
EP0261806B1
EP0261806B1 EP87307520A EP87307520A EP0261806B1 EP 0261806 B1 EP0261806 B1 EP 0261806B1 EP 87307520 A EP87307520 A EP 87307520A EP 87307520 A EP87307520 A EP 87307520A EP 0261806 B1 EP0261806 B1 EP 0261806B1
Authority
EP
European Patent Office
Prior art keywords
attachment
frame
loader
bars
body member
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
EP87307520A
Other languages
English (en)
French (fr)
Other versions
EP0261806A1 (de
Inventor
Nikola Solaja
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT87307520T priority Critical patent/ATE57729T1/de
Priority claimed from AU77491/87A external-priority patent/AU586119B2/en
Publication of EP0261806A1 publication Critical patent/EP0261806A1/de
Application granted granted Critical
Publication of EP0261806B1 publication Critical patent/EP0261806B1/de
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
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3631—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a transversal locking element
    • 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7622—Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers
    • E02F3/7627—Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers with the scraper blade adjustable relative to the frame about a vertical axis
    • 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/815—Blades; Levelling or scarifying tools

Definitions

  • the present invention relates to a loader attachment.
  • U.S.Patent No. 4 521 980 enables the loader to perform additionally the function of a grader.
  • Austrian Patent Specification No. 327 098 discloses a locking device between the lifting mechanism of a loader and an implement, such as for example a forked implement for a fork-lift truck, characterised by a mounting plate on the implement on the upper part of which is arranged a clip defining a recess and on the lower part of which are arranged two further clips with apertures therein; the recess and the apertures being engageable by components of a quick release mechanism.
  • Many loaders are now provided with such quick release mechanisms which enable a bucket or other implement to be attached to or detached from a loader quickly and efficaciously without the operator having to leave the driving position of the loader.
  • the invention is concerned with the provision of a connecting attachment for a loader which is improved with regard to the known means.
  • an attachment for a loader having a driving position comprising in combination an elongated body member, generally in the form of a cylinder having a curved outer surface, with a blade member extending laterally of the elongated body member and projecting outwardly therefrom, the blade member being disposed relative to the attachment such that when the attachment is orientated in a first position the blade member is arranged to engage with the ground upon movement of the loader and when the attachment is orientated in a second position the curved outer surface of the body member is arranged to engage with the ground and to smooth the ground upon movement of the loader, characterised by a frame having a first end and a second end, the two ends of the frame being spaced apart from one another and the first end of the frame being attached to the curved surface of the elongated body member whilst the second end carries connection means, including at least one recess and at least one eye to enable the attachment to be engaged with and disengaged from a quick release mechanism carried
  • a loader attachment 10 comprising an elongated hollow generally cylindrical body member 12 with domed closed off end 14
  • the body member 12 has a curved outer surface 16.
  • the loader attachment 10 comprises a generally triangular mounting member 18 welded to the curved outer surface 16.
  • the mounting member 18 extends longitudinally of the body member 12.
  • the mounting member 18 has an outer arcuate face which has an elongated blade member 20 mounted thereto.
  • the blade member 20 is arcuate in transverse cross-section as can be seen in Figure 2 and is arranged to fit snugly with the arcuate face of the mounting member 18.
  • the mounting member 18 contains a longitudinally extending row of threaded apertures (not shown) and the blade member 20 has a corresponding longitudinally extending row of apertures (not shown).
  • the blade member 20 is attached to the mounting member 18 by means of threaded studs 22 with heads, said studs 22 being passed through respective holes in the blade member 20 and threadedly engaged with corresponding apertures in the mounting member 18.
  • the blade member 20 extends transversely beyond the mounting member 18 and has an outer grading edge 24.
  • a pair of curved plates 26 are welded to the curved surface 16 and are longitudinally spaced from one another. Further, the curved plates 26 are both disposed above the blade 20.
  • a frame 28 is welded to the plates 26.
  • the frame 28 has a first end adjacent the body member 12 and a second end remote from the body member 12.
  • the frame 28 comprises a pair of upper bars 30 extending outwardly from respective plates 26.
  • the frame 28 also comprises a pair of lower bars 32 extending outwardly from respective plates 26.
  • Each bar 30 overlies the corresponding bar 32 and each pair of bars 30 and 32 is interconnected at its outer end by an upright bar 34. Further, each pair of bars 30 and 32 is interconnected at an intermediate point by a spacer bar 36.
  • pairs of bars 30 and 32 converge together somewhat so that they are closer together at the second end of the frame 28 than they are at the first end of the frame 28.
  • the bars 30 are interconnected by a lateral bar 38 and the bars 32 are interconnected by a lateral bar 40.
  • the bars 38 and 40 are located between the upright bars 34.
  • each of the upright bars 34 has a lower lug 42 and an upper hook 44 welded thereto.
  • the lugs 42 each contain an eye 46 and the hooks 44 each contain a downwardly facing recess 48.
  • the attachment 10 is engaged with a loader by means of a quick release engagement mechanism 60 (known per se of the loader part of which can be seen in Figures 1 to 3.
  • the engagement mechanism 60 includes a pair of struts 62 pivotally connected to respective upwardly extending plates 64. The upper ends of the plates 64 are pivotally connected to respective hydraulic rams 66.
  • An upper bifurcated member 68 extends between the plates 64.
  • the member 68 contains recesses 69 (see Figure 3) to receive the hooks 44.
  • each plate 64 contains an aperture 70.
  • a quick release mechanism 72 shown in Figure 1 is located between the plates 64 .
  • the quick release mechanism 72 includes a pair of pins 74 arranged to engage with respective apertures 70 and to be extended or retracted by means of a swivelling mechanism 76 controllable from the diving position of the loader by an operator.
  • the engagement mechanism 60 is presented to the attachment 10 in the position shown in Figure 2 such that the recesses 69 of the member 68 engage with the hooks 44 in the recesses 48 and then the hydraulic ram 66 is retracted so that the lower ends of the plates 64 fit between the plates 42.
  • the pins 74 are at this point retracted.
  • the pins 74 are then moved to their extended positions at which they engage with the eyes 46 so as to firmly but releasably connect the loader to the attachment 10.
  • attachment 80 which is similar to the attachment 10 of Figures 1 and 2 and like reference numerals denote like parts.
  • the attachment 10 is in principle the same as the attachment 10 but is arranged to be attached to a different type of loader which is known per se.
  • attachments 80 and 10 are that in the former the bars 30 and 32 are welded directly to the curved surface 16 of the body member 12. Further, the posts 34 are angle members.
  • the posts 34 have mounted in their respective angles at their lower ends outwardly facing plates 82 each containing an eye 84. Further, there are downwardly inclined plates 86 attached to the posts 34 at their upper ends in their respective angles.
  • the blade 20 is different in that the strip 68 is replaced by a bifurcated member 88.
  • the quick release mechanism comprises a pair of upright pins 90 which are pivotally connected to respective lugs 92 and respective ends of an axially rotatable rod 94.
  • the attachment 80 and its loader are releasably connected together in similar manner to the method described in relation to Figures 1 to 3, wherein the member 88 is engaged underneath the plates 82 and the adjacent parts of the posts 34 and the plates 64 are then inserted into the angles of the posts 34 until the pins 90 are in alignment with the eyes 84.
  • FIG. 7 to 9 of the accompanying drawings there is shown an attachment 100 which is similar to the attachment 10 of Figures 1 and 2 and like reference numerals denote like parts.
  • the attachment 100 is in principle the same as the attachment 10 but is arranged to be attached to a different type of loader which is known per se.
  • the frame 28 bars are welded directly to the curved surface 16 of the body member 12.
  • the frame 28 comprises a single central bar 101 extending away from the body member 12 to an upstanding lug 102 containing an eye 104A.
  • the bars 104 are of the same length but are shorter than the bar 101.
  • An intermediate cross bar 106 interconnects the ends of the bars 104 remote from the body member 12.
  • the cross bar 106 contains a longitudinally extending channel shaped recess 108. Further, additional bars 110 extend from the bar 106 to the lug 104.
  • the plates 64 are elongated and the rams 66 are connected to them at intermediate points.
  • the plates 64 are less upwardly inclined than equivalent plates of the other embodiments.
  • the quick release mechanism comprises a single pin 112 which is arranged to be retracted or extended.
  • a cross member 114 interconnects the plates 64 at their free ends remote from the ram 66.
  • the ram 66 is extended so as to lower the free ends of the plates 64 to enable them and the cross member 114 to engage with the recess 108. Then the ram 66 is retracted to enable the ends of the plates 66 between which the pin 112 is mounted to be lowered so that the aperture 104 and the pin 112 come into alignment.
  • the pin 112 is extended so as to firmly but releasably engage the attachment 100 with the loader.
  • framework 28 can be made so as to adapt the attachment of the present invention to other loaders which are available on the market and known per se.
  • the driver of a loader can perform two functions with one machine i.e., the job of a loader and the job of a grader.
  • the attachment of the present invention attached to a loader with the frame 28 lowered as shown in Figure 10, by operation of the engaging mechanism 60 of the loader in known manner, the blade 20 is pointed downwardly and is in a grading position. If the loader is reversed over a tract of ground, the ground is graded by the outer edge 24 of the blade 20.
  • the use of the frame 28 has the additional advantages of spacing the attachment from the loader so that the attachment which is often wider than the loader does not foul the wheels or any other part of the loader and the driver can readily observe the operation of the attachment while seated in the driving position.
  • Figures 12 and 13 there is shown a modification of the present invention.
  • the embodiment shown in Figures 12 and 13 is similar to that shown in Figures 1 to 3 but the modification may be applied to all embodiments of the present invention.
  • the body member 12 has a circular turntable 120 mounted on its upper surface.
  • the turntable 120 contains a plurality of spaced apertures 122 extending in two opposed arcs around part of the principles of the turntable 120.
  • a flat disc member 124 is arranged to mate with the turntable 120.
  • the disc member 124 has a central aperture that fits over a stud 126 which projects upwardly from the turntable 120 so that the disc member 124 can be rotated relative to the turntable 120.
  • the disc member 124 is retained in place by a nut 128 threadedly engaged with the stud 126.
  • the disc member 124 contains a pair of apertures which are located diametrically opposite one another.
  • the disc member 124 is connected to a frame 28 such as by welding.
  • the disc member 124 is secured in position by means of threaded bolts 130 passed through the apertures of the disc member 124 and opposed pairs of apertures in the turntable 120 and secured by nuts 132.
  • the attachment 10 can be orientated at right angles of the direction of travel or it can be orientated at 15 ° from the right angle position or at 30 ° from the right angle position by engaging the bolts 130 with the required pair of holes in the turntable 120.
  • the angle can be adjusted at any time as required.
  • an angle of 15 ° or 30 ° to the right angle it is found that it is easier to deposit dirt to one side only so that there is only a single ridge of residual dirt. This is especially useful when grading. It is envisaged that the 15 ° angle would be used in soft ground such as sand whilst the 30 ° angle would be used in firmer ground such as clay or gravel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)

Claims (8)

1. Zusatzvorrichtung (10, 80, 100) für eine Ladevorrichtung, die eine Antriebsposition aufweist, umfassend in Kombination ein längliches Rörperteil (12), das generell in Form eines Zylinders mit einer gekrümmten Außenfläche (16) vorliegt, mit einem Blatteil (20), welches sich seitlich des länglichen Körperteiles (12) erstreckt und von diesem nach außen absteht, wobei das Blatteil (20) relativ zu der Zusatzvorrichtung (10, 80, 100) derart angeordnet ist, daß dann, wenn die Zusatzvorrichtung (10, 80, 100) in einer ersten Position ausgerichtet ist, das Blatteil (20) so angeordnet ist, daß es auf eine Bewegung der Ladevorrichtung am Boden anliegt, und daß bei Ausrichtung der Zusatzvorrichtung (10) in einer zweiten Position die gekrümmte äußere Fläche (16) des Körperteiles (12) so angeordnet ist, daß der Boden berührt und auf eine Bewegung der Ladevorrichtung hin der Boden geglättet wird, gekennzeichnet durch einen Rahmen (28), der ein erstes Ende und ein zweites Ende aufweist, wobei die beiden Enden des Rahmens in Abstand voneinander vorgesehen sind und wobei das erste Ende des Rahmens an der gekrümmten Fläche (16) des länglichen Körperteiles (12) angebracht ist, während das zweite Ende Verbindungseinrichtungen (42, 44; 82, 86; 106, 102) trägt, die zumindest eine Ausnehmung (48, 108) und zumindest ein Auge (46, 104A) aufweisen, womit der Zusatzvorrichtung (10, 80, 100) ermöglicht ist, mit einem Schnellösemechanismus (72) in Eingriff zu gelangen und von diesem gelöst zu werden, der von der Ladevorrichtung getragen ist, und daß der Schnellösemechanismus (72) von der Antriebsposition der. Ladevorrichtung her bedienbar ist.
2. Zusatzvorrichtung für eine Ladevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das zweite Ende des Rahmens (28) mit einem Paar von oberen ausgenommenen Teilen (44, 86,108) und einem Paar von unteren Ansätzen (42, 82, 102) mit entsprechenden Augen (46, 84, 104A) versehen ist.
3. Zusatzvorrichtung für eine Ladevorrichtung nach Anspruch 1 oder 2, dadurchgekennzeichnet, daß die Rahmeneinrichtung zwei Paare von oberen und unteren Streben (30, 32) umfaßt, die zwischen den ersten und zweiten Enden des Rahmens (28) verlaufen und die an dem zweiten Ende des Rahmens (28) miteinander verbunden sind.
4. Zusatzvorrichtung für eine Ladevorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daB die Ausnehmungen in Haken (44) gebildet sind und daß die Augen (46) in aufrechtstehenden Platten (42) derart gebildet sind, daß die Augen (46) zur Seite hin zeigen.
5. Zusatzvorrichtung für eine Ladevorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Ausnehmungen im allgemeinen von umgedrehter V-Form sind und daß die Augen (84) im allgemeinen in Richtplatten (82) sind, derart, daß die Augen (84) nach oben weisen.
6. Zusatzvorrichtung für eine Ladevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das zweite Ende des Rahmens (28) mit einem einzigen Auge (104A) versehen ist und daß die Ausnehmung (108) zwischen den ersten und zweiten Enden des Rahmens (28) angeordnet ist.
7. Zusatzvorrichtung für eine Ladevorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß der Rahmen (28) eine Mittelstrebe (101), die sich zwischen den ersten und zweiten Enden erstreckt, ein Paar von seitlichen kürzeren Streben (104) an den entsprechenden Seiten der mittleren Strebe (101), ein Seitenteil (106) mit einer U-förmigen Ausnehmung (108), welches die seitlichen Streben (104) an deren von dem Körperteil (12) entfernt liegenden Enden miteinander verbindet, und weitere Streben (110) umfaßt, die von den seitlichen Streben (104) zu dem mittleren Teil (101) an dem zweiten Ende des Rahmens (28) verlaufen.
8. Zusatzvorrichtung für eine Ladevorrichtung nach irgeneinem der vorhergehenden Ansprüche, gekennzeichnet durch eine Drehplatteneinrichtung (120, 124) zur Änderung der Ausrichtung des Körperteiles (12) relativ zu dem Rahmen (28).
EP87307520A 1986-08-27 1987-08-25 Ladevorrichtung Expired - Lifetime EP0261806B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87307520T ATE57729T1 (de) 1986-08-27 1987-08-25 Ladevorrichtung.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU7690/86 1986-08-27
AUPH769086 1986-08-27
AU77491/87A AU586119B2 (en) 1986-08-27 1987-08-26 A loader attachment

Publications (2)

Publication Number Publication Date
EP0261806A1 EP0261806A1 (de) 1988-03-30
EP0261806B1 true EP0261806B1 (de) 1990-10-24

Family

ID=25638646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87307520A Expired - Lifetime EP0261806B1 (de) 1986-08-27 1987-08-25 Ladevorrichtung

Country Status (2)

Country Link
EP (1) EP0261806B1 (de)
ES (1) ES2019103B3 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512114A (en) * 1946-09-09 1950-06-20 Robinson Garner Laverne Tractor attachment
US3760883A (en) * 1972-03-27 1973-09-25 Balderson Inc Quick hitch assembly
AT327096B (de) * 1974-03-05 1976-01-12 Schoberl & Soehne Joh Verriegelungseinrichtung zwischen der hubeinrichtung eines ladegerates und einem anbaugerat
US3876092A (en) * 1974-07-26 1975-04-08 Rivinius Inc Implement connecting coupler mechanism
GB2014942B (en) * 1978-02-21 1982-07-28 Loed Corp Implement coupling apparatus
US4230435A (en) * 1978-07-21 1980-10-28 Azevedo Albert J Backhoe finishing tool
AU571540B2 (en) * 1983-06-21 1988-04-21 Solaja, N. Combination grader/loader attachment

Also Published As

Publication number Publication date
EP0261806A1 (de) 1988-03-30
ES2019103B3 (es) 1991-06-01

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