EP0131939B1 - Fahrbarer hydraulischer Löffelbagger - Google Patents

Fahrbarer hydraulischer Löffelbagger Download PDF

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Publication number
EP0131939B1
EP0131939B1 EP84108270A EP84108270A EP0131939B1 EP 0131939 B1 EP0131939 B1 EP 0131939B1 EP 84108270 A EP84108270 A EP 84108270A EP 84108270 A EP84108270 A EP 84108270A EP 0131939 B1 EP0131939 B1 EP 0131939B1
Authority
EP
European Patent Office
Prior art keywords
upper carriage
cab
axis
undercarriage
shovel
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
EP84108270A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0131939A1 (de
Inventor
Hans Schaeff
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.)
Karl Schaeff GmbH and Co Maschinenfabrik
Original Assignee
Karl Schaeff GmbH and Co Maschinenfabrik
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 Karl Schaeff GmbH and Co Maschinenfabrik filed Critical Karl Schaeff GmbH and Co Maschinenfabrik
Priority to AT84108270T priority Critical patent/ATE33413T1/de
Publication of EP0131939A1 publication Critical patent/EP0131939A1/de
Application granted granted Critical
Publication of EP0131939B1 publication Critical patent/EP0131939B1/de
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
    • 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
    • E02F3/30—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 a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—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 a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • 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
    • E02F3/30—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 a dipper-arm pivoted on a cantilever beam, i.e. boom
    • 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
    • E02F3/384—Connections to the frame; Supports for booms or arms the boom being pivotable relative to the frame about a vertical axis
    • 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
    • E02F9/0808—Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures
    • 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
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/163—Structures to protect drivers, e.g. cabins, doors for cabins; Falling object protection structure [FOPS]; Roll over protection structure [ROPS]

Definitions

  • the invention relates to a mobile backhoe with a superstructure which can be pivoted through 360 ° about a vertical, essentially central axis on a two-track chassis, a driver's cab which is arranged eccentrically on the superstructure and a mounting bracket mounted on a vertical axis arranged at the front end of the superstructure Boom, dipper stick and work tool consisting of a collapsible assembly that extends transversely in front of the superstructure in a swivel end position.
  • This guide also has a considerable length so that when the carriage is in the lateral end position, the excavator boom pivoted in front of the guide with the bucket folded still remains within the envelope circle determined by the counterweight on the superstructure, so that the excavator can be pivoted on a narrow tree.
  • This known machine is designed to perform a variety of tasks and is therefore largely universally applicable; however, it requires considerable effort due to the transverse guide, the slide that can be moved on it for the attachment holder, the slide clamp and the lateral adjustment device for the slide.
  • Another disadvantage is the length of the transverse guide, which projects relatively far beyond the superstructure on both sides for the purpose of a sufficient support width of the slide and to achieve a required minimum lateral offset.
  • the resulting required guide length also requires this guide to approach the swivel axis of the superstructure. The closer the slide guide is to the swivel axis of the uppercarriage, the greater the back offset of the add-on bracket pivot axis relative to the front of the chassis when the uppercarriage is set to the longitudinal direction.
  • extension bracket can no longer significantly extend beyond the outer limits of the undercarriage even in the lateral pivoting positions of the superstructure.
  • the axis of the superstructure arranged on the front of the superstructure is in the vertical longitudinal center plane running through the pivot axis of the superstructure.
  • a simple hydraulic cylinder can be used as the swivel drive, which can remain fixed in its one end position when digging along a wall, while the swivel movements during the work of the boom with the swivel mechanism of the uppercarriage, which is present anyway.
  • the invention has for its object to further develop an excavator of the type described in such a way that even with significantly reduced structural effort, both with a large lateral offset and to carry out the predominant dredging work can be dug between the lanes of the chassis and that the driver to simplify the Operation while maintaining good visibility receives orientation aids with which he can easily find the most frequently used driving position and the main grave position intended for work between the lanes of the chassis.
  • the axis of the mounting bracket is arranged on the side of the superstructure platform facing away from the driver's cab on a projection extending from the front edge thereof,
  • a driver's seat rotatably mounted in the cabin has a first latching position for the main grave position of the superstructure, in which the driver's seat and a first cabin side wall run parallel to the longitudinal center axis of the undercarriage and the axis of the attachment holder is in the area between a lane and the longitudinal center axis of the undercarriage,
  • the driver's seat has a second latching position assigned to the driving position of the superstructure, in which it and a second cabin side wall run parallel to the longitudinal center axis of the chassis.
  • This main grave position is defined in the subject of the present invention in that the superstructure is at a certain angle from about 20 to 30 degrees from
  • Driving position has been pivoted to bring the mounting bracket between the lane and the longitudinal center axis of the chassis.
  • the excavator operator has to pivot the boom in the longitudinal direction of the chassis, he has a cabin side wall and a resting position of the driver's seat.
  • a second detent position of the driver's seat is assigned to the driving position, a second cabin side wall running parallel to the longitudinal center axis of the chassis.
  • the desired good view is achieved in that the known transverse guide for the cultivator slide is missing and thus an unobstructed view of the timetable is guaranteed.
  • the resting position of the driver's seat for the main grave position also contributes to good visibility under these working conditions.
  • a superstructure 2 which can be pivoted indefinitely about a first vertical axis 4, is mounted on a chassis 1, which is designed as a caterpillar drive, but can equally well consist of a wheel and tire drive.
  • the pivotability through 360 ° is generally achieved with the aid of a main rotary bearing 3 known per se, in that hydraulic feedthroughs and line connections are provided.
  • a part of the superstructure platform forming side projection 24 is provided, on which a second vertical pivot axis 5 is arranged.
  • a mounting bracket 6 can be pivoted about the second vertical axis 5, to which, according to FIG. 2, an angled arm 8, 9, a spoon arm 10 and a digging spoon 11 are connected.
  • the mounting bracket 6 is held with upper and lower pivot pins in a mounting bracket pivot bearing 7, which extends forward from the platform of the superstructure and forms part of the projection 24 in the upper and lower tabs or lugs. From Fig. 1 it can be seen that the vertical distance of the second pivot axis 5 from the front edge of the superstructure or from the cabin front 22 corresponds approximately to half the width of a conventional digging spoon 11, so that the mounting bracket and boom can be pivoted substantially parallel in front of the cabin front .
  • section 8 of the boom adjoining the attachment brackets 6 in the drawn-in folded position has a length which extends over the eye level of the driver shown at position 28 in FIG. 2.
  • the dipper stick 10 and the filled digging bucket 11 there is a middle free space behind which the front 22 of the driver's cab 20 is arranged, so that the driver has an unobstructed view to the front and the floor in front of the undercarriage.
  • a preferred embodiment is a swivel mechanism of the attachment holder in FIG. 1, which indicates a hydraulic cylinder 15, which in principle could also be replaced by another swivel mechanism .
  • the cylinder 15 extends within the platform of the superstructure to the rear up to a pivot point 14.
  • the piston rod 16 is connected via a link 17 to a lateral connecting eye 19 on the mounting bracket 6 and is guided through a coupling 18 which is connected to a projection 24 mounted pin 21 is pivotable.
  • the swivel drive shown enables the boom to be swiveled by at least 180 ° in accordance with FIG. 1, but without this swivel angle being binding. With the aid of this swivel angle range, the essential working positions shown as an example in FIGS. 4, 5 and 6 can be easily achieved, in addition to the driving position in FIG. 1.
  • the driver's cab extends to a considerable section over the first vertical axis 4.
  • the cabin side wall 30 adjacent to the projection 24 runs parallel to the side wall section 40 of the superstructure. Behind and next to the cabin are not shown, conventional structures, z. B. the drive motor, storage tank, hydraulic units, etc.
  • the superstructure 2 is pivoted into the main grave position, in which the vertical pivot axis 5 of the bracket 6 is located approximately in the middle between the right chassis 13 and the vehicle longitudinal center line L, but also closer to Line L could be pivoted.
  • a rear part 46 of the side wall of the superstructure runs parallel to the chassis 13 and on the opposite side a front side wall section 42 of the sidecar runs parallel to the chassis 12.
  • the center of gravity of the counterweight 38 is approximately in the area of the chassis longitudinal center line L.
  • Um To set the uppercarriage into the position according to FIG. 3, the driver has the cabin side wall 32 available, which runs parallel to the sections 42, 46 of the uppercarriage.
  • the cabin rear wall 34 can have any shape.
  • the driver's seat 26 has an integrated excavator control indicated in the armrests. In order to maintain an unobstructed view to the front in the main positions of the uppercarriage according to FIGS.
  • the driver's seat 26 can be pivoted about an axis 36, at least one detent position being provided in which the driver's seat parallel to the cabin side wall 30 or to the opposite side wall 32 runs.
  • a footboard 44 for entry into the cabin and onto the superstructure can be provided between the side wall section 42 and the adjacent cabin side wall 32.
  • the envelope circle H shown in FIG. 1 and determined by the counterweight 38 on the superstructure also includes the boom assembly folded in the driving position.

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)
  • Component Parts Of Construction Machinery (AREA)
  • Soil Working Implements (AREA)
  • Toys (AREA)
EP84108270A 1983-07-14 1984-07-13 Fahrbarer hydraulischer Löffelbagger Expired EP0131939B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84108270T ATE33413T1 (de) 1983-07-14 1984-07-13 Fahrbarer hydraulischer loeffelbagger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3325405 1983-07-14
DE3325405 1983-07-14

Publications (2)

Publication Number Publication Date
EP0131939A1 EP0131939A1 (de) 1985-01-23
EP0131939B1 true EP0131939B1 (de) 1988-04-06

Family

ID=6203972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108270A Expired EP0131939B1 (de) 1983-07-14 1984-07-13 Fahrbarer hydraulischer Löffelbagger

Country Status (7)

Country Link
US (1) US4571147A (enrdf_load_stackoverflow)
EP (1) EP0131939B1 (enrdf_load_stackoverflow)
JP (1) JPS6037337A (enrdf_load_stackoverflow)
KR (1) KR850001355A (enrdf_load_stackoverflow)
AT (1) ATE33413T1 (enrdf_load_stackoverflow)
DE (1) DE3425838A1 (enrdf_load_stackoverflow)
NO (1) NO161183C (enrdf_load_stackoverflow)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62148725A (ja) * 1985-12-23 1987-07-02 Kubota Ltd 全旋回型バックホウ作業車
JPS62202130A (ja) * 1986-02-28 1987-09-05 Kubota Ltd バックホウ
DE3881431D1 (de) * 1987-04-13 1993-07-08 Faun Gmbh Universalarbeitsfahrzeug.
JPS63171736U (enrdf_load_stackoverflow) * 1987-04-30 1988-11-08
US5016721A (en) * 1987-10-09 1991-05-21 Hitachi Construction Machinery Co., Ltd. Full-turn type working machine
JPH076217B2 (ja) * 1987-10-09 1995-01-30 日立建機株式会社 全旋回式作業機
JPH0517462Y2 (enrdf_load_stackoverflow) * 1987-12-24 1993-05-11
US5004397A (en) * 1988-07-01 1991-04-02 O&K Orenstrein & Koppel Aktiengesellschaft Attachment holder for interchangeable equipment on the superstructure of a mobile shovel excavator
DE4003325C2 (de) * 1990-02-05 1994-07-07 Porsche Ag Bagger
US5244337A (en) * 1990-02-05 1993-09-14 Dr. Ing. H.C.F. Porsche Ag Mobile shovel excavator
JPH06294143A (ja) * 1993-04-07 1994-10-21 Daito:Kk パワーショベル
US5486084A (en) * 1993-06-07 1996-01-23 Raymond F. Pitman Multiple purpose material handling and working apparatus
DE4327991C2 (de) * 1993-08-20 1997-03-20 Nobas Gmbh Baumaschine
AU6130796A (en) * 1995-06-28 1997-01-30 Alfred Fyffe Robertson Self-propelled work machines
JPH09242104A (ja) * 1996-03-12 1997-09-16 Takeuchi Seisakusho:Kk パワーショベル
JP3810143B2 (ja) * 1996-07-10 2006-08-16 株式会社小松製作所 油圧ショベル
US5931247A (en) * 1997-11-26 1999-08-03 Peterson; Robin A. Forest harvester methods and apparatus
GB2385111B (en) * 2002-02-08 2006-01-18 Bamford Excavators Ltd Control apparatus
EP1668194A2 (en) * 2003-10-03 2006-06-14 The Charles Machine Works Inc Multi-function work machine
USD511531S1 (en) 2004-01-22 2005-11-15 The Charles Machines Works, Inc. Excavator tool carrier
USD527027S1 (en) 2005-08-17 2006-08-22 The Charles Machine Works, Inc. Excavator tool carrier
USD538305S1 (en) 2006-02-17 2007-03-13 The Charles Machine Works, Inc. Excavator tool carrier with cab
CN108349554B (zh) 2016-07-20 2022-06-17 普瑞诺斯有限公司 具有可旋转上部结构的履带式车辆及其方法
CN110424962A (zh) * 2019-07-15 2019-11-08 襄阳市恒诺信机械有限公司 一种微型巷道专用出渣设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB971028A (en) * 1962-04-24 1964-09-23 Whitlock Bros Ltd Improvements in excavating machines
GB980137A (en) * 1962-08-28 1965-01-13 Priestman Brothers Improvements relating to mechanical excavators
US3167194A (en) * 1962-12-24 1965-01-26 Davis Self-propelled excavating machine
DE1634994C3 (de) * 1967-11-08 1974-05-02 Karl Schaeff Kg Maschinenfabrik, 7183 Langenburg Fahrbarer Löffelbagger
FR2031763A5 (enrdf_load_stackoverflow) * 1969-02-06 1970-11-20 Poclain Sa
US3586113A (en) * 1969-03-19 1971-06-22 Grant Inc Louis A Demolition and scooping machine
DE2558799C3 (de) * 1975-12-24 1981-11-05 Karl Schaeff GmbH & Co, Maschinenfabrik, 7183 Langenburg Fahrbarer hydraulischer Löffelbagger
US4183711A (en) * 1975-12-24 1980-01-15 Hans Schaeff Mobile power shovel
DE2757968C2 (de) * 1977-12-24 1979-11-22 Karl Schaeff Kg Maschinenfabrik, 7183 Langenburg Fahrbarer Löffelbagger
GB2015469B (en) * 1978-03-01 1982-03-24 Mcconnel F W Ltd Mounting of appliances on vehicles
CA1195661A (en) * 1982-07-22 1985-10-22 Yokichi Nagasawa Earth-working machine
DE3234020A1 (de) * 1982-09-14 1984-03-15 O & K Orenstein & Koppel Ag, 1000 Berlin Anordnung zum verschwenken eines anbauhalters der ausruestung eines hydraulikbaggers

Also Published As

Publication number Publication date
EP0131939A1 (de) 1985-01-23
ATE33413T1 (de) 1988-04-15
KR850001355A (ko) 1985-03-18
US4571147A (en) 1986-02-18
DE3425838A1 (de) 1985-01-31
NO161183B (no) 1989-04-03
NO842865L (no) 1985-01-15
NO161183C (no) 1989-07-12
DE3425838C2 (enrdf_load_stackoverflow) 1991-02-14
JPH0433930B2 (enrdf_load_stackoverflow) 1992-06-04
JPS6037337A (ja) 1985-02-26

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