EP0703321A1 - Godet pivotant pour engin de chantier - Google Patents

Godet pivotant pour engin de chantier Download PDF

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Publication number
EP0703321A1
EP0703321A1 EP95105337A EP95105337A EP0703321A1 EP 0703321 A1 EP0703321 A1 EP 0703321A1 EP 95105337 A EP95105337 A EP 95105337A EP 95105337 A EP95105337 A EP 95105337A EP 0703321 A1 EP0703321 A1 EP 0703321A1
Authority
EP
European Patent Office
Prior art keywords
motor
housing
rotary motor
shaft
plates
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
Application number
EP95105337A
Other languages
German (de)
English (en)
Other versions
EP0703321B1 (fr
EP0703321B2 (fr
Inventor
Thomas Paa
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.)
Rmb Josef Radlinger Maschinenbau
Original Assignee
Rmb Josef Radlinger Maschinenbau
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6914130&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0703321(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rmb Josef Radlinger Maschinenbau filed Critical Rmb Josef Radlinger Maschinenbau
Publication of EP0703321A1 publication Critical patent/EP0703321A1/fr
Publication of EP0703321B1 publication Critical patent/EP0703321B1/fr
Application granted granted Critical
Publication of EP0703321B2 publication Critical patent/EP0703321B2/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
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection 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
    • E02F3/28—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
    • E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets

Definitions

  • the invention relates to an implement, in particular an excavator bucket or the like, which, for connection to a stick of a construction machine, has a centrally arranged attachment element with a pivoting device, which is designed as a rotary motor with a housing, the shaft of which has a receiving device on the top of the implement connected is.
  • Excavator buckets and, in particular, trench clearing buckets are usually attached to the end of the excavator bucket arm via hydraulic piston-cylinder units, so that pivoting movements can be carried out around the transverse axis of the bucket.
  • a disadvantage of such constructions is the fact that the hydraulic units are very susceptible to damage in rough operation and must therefore be protected. Due to the long force transmission paths, the forces acting on the digging edge of the bucket are also restricted.
  • a trench clearing bucket of the type outlined at the outset is known from German utility model 92 03 925.
  • the attachment element is connected to the excavator bucket via a welded swivel head, a rotary motor being suspended in the swivel head, for the fastening of which a relatively weak flange is used which is fastened in the swivel head.
  • the welded construction of the swivel head is relatively fragile and must absorb all the forces transmitted by the bucket. Furthermore, no precautions have been taken to make it possible to exchange the excavator bucket for another one or to simply attach it to another excavator arm.
  • the invention has for its object to provide an implement of the type outlined at the outset, the attachment of which is designed to be substantially more robust with a pivoting device and which offers the possibility of being easily removed if necessary, in order to replace it with another implement or with another Attach the stem.
  • this object is achieved according to the invention in that the housing of the rotary motor is detachably attached directly to the underside of the attachment element.
  • the rotary motor is an integrated component of the implement and replaces the previously welded swivel head.
  • the motor housing immediately takes over all the forces acting between the handle and the implement, which can take on significantly higher values than previously used designs with a swivel head.
  • the flat top of the housing of the rotary motor is designed so that it rests on the underside of the attachment and is detachably connected to it by screws. To this In this way it is possible to remove the implement, for example an excavator bucket or trench clearing bucket, from the handle of the construction machine and to fasten it to another type of construction machine in the shortest possible time.
  • implement for example an excavator bucket or trench clearing bucket
  • the receiving device of the implement consists, in a manner known per se, of two plates which are parallel to one another and protrude from the top of the implement and which have cutouts for the releasable engagement of the motor shaft. This makes it possible to remove the rotary motor from the receiving device of the implement in a few simple steps, without loosening the connection to the attachment element. Another implement can then be attached to the rotary motor, for example a hammer or demolition pliers.
  • one end of the motor shaft positively engages in the cutout of one of the two plates, while the other end of the motor shaft is inserted into the cutout of the other plate which is designed as an open elongated hole and to which this end is screwed down by means of a fastening plate .
  • the distance between the two plates is greater than the length of the housing by the protrusion of the shaft end projecting from the rotary motor and positively engaging in the recess.
  • the distance between the two ends corresponds to the length of the housing of the rotary motor, the shaft ends of which are essentially flush with the end faces of the housing.
  • the two shaft ends and the plates of the receiving device lying thereon are connected to one another via screw bushings, each of which has a flange which lies against the outside of the plate and which is detachably screwed to the plate.
  • the preferably hydraulic rotary motor has on its flat upper side connections for hydraulic lines, which can be guided through the attachment element to the hydraulic system of the construction machine in a protected manner.
  • FIGS. 1 to 4 show a working implement designed as an excavator bucket 10, which can be pivotally connected to the handle of a construction machine about a central axis arranged transversely to the longitudinal extent.
  • a receiving device 12 is fixedly attached to the top of the excavator bucket 10 and consists of a front plate 14 and a rear plate 16 parallel to it.
  • a hydraulic rotary motor 18, which has a housing 20 and is shown in more detail in FIGS. 5 to 7, is inserted between these two plates 14 and 16.
  • the housing 20 has a flat upper side 22 with threaded bores 24 and is fastened to the flat underside of an attachment element 28 by means of screws 26.
  • the attachment organ consists of a flat plate 30, fastened by means of the screws 26 to the upper side 22 of the housing 20, from which two parallel legs 32 project upwards. By means of this attachment member 26, the excavator bucket 10 is attached to the handle of a construction machine.
  • Figure 1 shows that through the attachment 28 hydraulic lines 34 are guided, the ends of which lead to connections 36 on the flat upper side 22 of the hydraulic rotary motor 18.
  • the ends 38 and 40 of the shaft 42 of the rotary motor 18 protrude beyond the housing 20. At least one of the two projecting ends 38 has two mutually parallel flats 44, which can be seen in FIGS. 1 and 6. This flattened end 38 positively engages in a corresponding recess 46 in the front plate 14, with which this shaft end 38 is secured by two screws 48.
  • FIGS. 3 and 4 show the excavator bucket 10 from the rear, where it can be seen that a recess is made in the rear plate 16, which is an elongated hole 50 open at the top.
  • the other end 40 of the shaft 42 engages in this elongated hole 50.
  • a circular disk-shaped fastening plate 52 is attached to this shaft end 40, which is firmly connected to the rear plate 16 via screws 54.
  • the distance between the two plates 14 and 16 of the receiving device 12 corresponds to the length of the housing 20 of the rotary motor 18, the shaft ends 38 and 40 of which are essentially flush with the end faces of the housing 20.
  • the rotary motor 18 In order to mount the rotary motor 18 in the receiving device 12, it only has to be lowered in the vertical direction between the two plates 14 and 16. Then two screw bushings 56 are screwed into the threaded ends 38 and 40 of the shaft 42, the screw bushings 56 also engaging in a corresponding thread of the two plates 14 and 16.
  • Screws 58 which are inserted through holes in a flange 60 which protrudes from each screw bushing 56, serve for the rotationally fixed fixing of the two screw bushings 56 to the plates 14 and 16. The screws 58 engage in threaded holes, not shown, of the two plates 14 and 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP95105337A 1994-09-24 1995-04-08 Godet pivotant pour engin de chantier Expired - Lifetime EP0703321B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9415512U DE9415512U1 (de) 1994-09-24 1994-09-24 Arbeitsgerät mit Schwenkantrieb für Baumaschinen
DE9415512U 1994-09-24

Publications (3)

Publication Number Publication Date
EP0703321A1 true EP0703321A1 (fr) 1996-03-27
EP0703321B1 EP0703321B1 (fr) 2000-03-15
EP0703321B2 EP0703321B2 (fr) 2004-09-15

Family

ID=6914130

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105337A Expired - Lifetime EP0703321B2 (fr) 1994-09-24 1995-04-08 Godet pivotant pour engin de chantier

Country Status (3)

Country Link
EP (1) EP0703321B2 (fr)
AT (1) ATE190687T1 (fr)
DE (2) DE9415512U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20315873U1 (de) * 2003-10-15 2005-02-24 Rädlinger Maschinen- und Anlagenbau GmbH Hydraulischer Drehmotor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806057C2 (de) * 1998-02-13 2002-11-28 Franz Wimmer Baumaschinenadapter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0356738A1 (fr) * 1988-08-05 1990-03-07 Paul P. Weyer Assemblage pour une benne inclinable
DE4209412A1 (de) * 1991-09-27 1993-04-01 Lewin Heinz Ulrich Anbauteil fuer bagger mit schwenkmotor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0356738A1 (fr) * 1988-08-05 1990-03-07 Paul P. Weyer Assemblage pour une benne inclinable
DE4209412A1 (de) * 1991-09-27 1993-04-01 Lewin Heinz Ulrich Anbauteil fuer bagger mit schwenkmotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20315873U1 (de) * 2003-10-15 2005-02-24 Rädlinger Maschinen- und Anlagenbau GmbH Hydraulischer Drehmotor
EP1524461A1 (fr) * 2003-10-15 2005-04-20 Rädlinger Maschinen- und Anlagenbau GmbH Actionneur rotatif à commande hydraulique

Also Published As

Publication number Publication date
EP0703321B1 (fr) 2000-03-15
DE59507993D1 (de) 2000-04-20
DE9415512U1 (de) 1994-12-22
EP0703321B2 (fr) 2004-09-15
ATE190687T1 (de) 2000-04-15

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