EP1799919B1 - Ladevorrichtung mit armabschnitten, die einen raum aufweisen, der sich entlang dem arm erstreckt und in dem rohre oder kabel angeordnet sind - Google Patents

Ladevorrichtung mit armabschnitten, die einen raum aufweisen, der sich entlang dem arm erstreckt und in dem rohre oder kabel angeordnet sind Download PDF

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Publication number
EP1799919B1
EP1799919B1 EP05784904A EP05784904A EP1799919B1 EP 1799919 B1 EP1799919 B1 EP 1799919B1 EP 05784904 A EP05784904 A EP 05784904A EP 05784904 A EP05784904 A EP 05784904A EP 1799919 B1 EP1799919 B1 EP 1799919B1
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EP
European Patent Office
Prior art keywords
arm
loader
tubes
space
arm section
Prior art date
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Application number
EP05784904A
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English (en)
French (fr)
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EP1799919A1 (de
Inventor
Tommy Nilsson
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Alo AB
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Alo AB
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Publication date
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Application filed by Alo AB filed Critical Alo AB
Publication of EP1799919A1 publication Critical patent/EP1799919A1/de
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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
    • 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
    • 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
    • E02F9/14—Booms only for booms with cable suspension arrangements; Cable suspensions
    • 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

Definitions

  • the loader is an extended construction, an arm construction, that connects a vehicle with a tool, and that makes possible movement of the tool relative to the vehicle.
  • the loader comprises two arms arranged parallel to each other, which in turn comprise extended arm sections, parallel struts, linkage systems and joints.
  • the loader has at one of its ends, the end that is facing towards the vehicle, two parts, arranged parallel to each other and terminating the arms, to which cylinders and other arm parts are attached. These are known as "bearing boxes". Each bearing box is mounted onto, connects with, the vehicle.
  • the document JP 11 247 216 is showing an excavator. Cables running along the excavator arm are placed in a space surrounded by covering parts and the arm. Covering parts, being C- or U-formed, are used only on the side walls of the arm and this construction makes the arm broader which will disturb the field of vision for the driver.
  • One aim of the present invention is to offer a loader with a design that is such that the problems described above are solved. Tubes and cables running along the arm of the loader are to be placed fully protected and in a place where they do not interrupt the field of vision.
  • FIG. 1 shows a loader 1 according to the present invention.
  • the loader 1 is constituted by an extended construction, an arm construction, comprising two arms 2a and 2b arranged parallel to each other.
  • Each arm 2a and 2b comprises an extended arm section 3.
  • the extended arm section 3 comprises a first and a second extended arm section 3.1 and 3.2, which are connected to each other or that constitute one single unit.
  • the first arm section 3.1 is directed towards or is turned towards a vehicle, not shown in the drawing, and the second arm section 3.2 is directed towards the free end of the loader.
  • the two arm sections 3.1 and 3.2, their longitudinal axes L1 and L2, are placed at an angle ⁇ , which is less than 180°, relative to each other, the angle being measured in a vertical plane in the longitudinal direction of the loader.
  • the loader 1, the arms 2a and 2b comprise control and regulatory units 4, for example cylinder arrangements, and connectors, for example joints.
  • control and regulatory units 4 for example cylinder arrangements, and connectors, for example joints.
  • the loader has on one of its sides A, the rear end that faces the vehicle, two parallel parts 6, arranged parallel and next to each other and terminating the relevant arm 2a and 2b, to which the control units 4 and the first arm section 3.1 are attached. These parts 6 are known as “bearing boxes”. Each bearing box 6 is mounted on, connects with, the vehicle.
  • the loader 1 comprises also tubes and cables 9 that make possible the transport of at least one of electricity, hydraulic driving agent, pneumatic driving agent and other control and driving agents from and to the vehicle 1 to and from the various parts of the loaders and the arms and to and from the equipment at the outer end B of the loader.
  • the tubes 9 are arranged within a space X along one or both of the two arms 2a and 2b.
  • the tubes 9 are arranged within the arm section 3 that, for an observer standing at the tool 7 and facing the loader 1 or the vehicle, is located on the left.
  • the tubes 9 can, as an alternative, be located in the arm section on the right, or in both arm sections.
  • the tubes are present solely in the left arm section 3 for remainder of this description.
  • the second arm section 3.2 is also designed such that it offers an open space X2, a second part of the total space, within it, in which the tubes 9 are arranged such that they are located fully protected within the arm construction also at the second arm section 3.2, inside the space X2 that is surrounded by and protected by the outer parts of the arm construction. It is appropriate that the second arm section 3.2 is constituted by a beam element with a closed cross-section. See Figure 2 .
  • an extended constructional part 10 which is located transverse relative to the longitudinal axes L2 of the second arm sections, a cross-strut or a cross-tube, arranged principally between the two arms 2a and 2b of the loader 1, as shown in Figure 1 .
  • the constructional part 10 connects the two arms 2a and 2b with each other and provides stability to the loader 1.
  • the constructional part 10 is attached at its ends 10a and 10b to the relevant arm 2a and 2b, between the second arm parts 3.2, through welding or through another suitable attachment method.
  • the constructional part 10 offers an attachment region for a valve housing 11 to which the tubes 9 are connected.
  • the valve housing 11 makes it possible to connect control and regulator units 4, for the operation of the tool 7 attached to the tool attachment 8 or other parts of the loader 1.
  • the tubes 9 pass through the inner spaces X1 and X2 of the arm section and out from the arm section 3, the second arm section 3.2, through an opening D in the inner wall 3a of the arm section, see Fig. 3 .
  • the opening D in the arm is arranged above the constructional part 10 in a direction towards the vehicle, towards the end A of the loader, while being located at a limited distance from the constructional part 10.
  • the opening D in the arm is directed towards the space behind the constructional part 10.
  • the tubes 9 follow subsequently the rear side 10B of the constructional part, that side of the constructional part 10 that faces the vehicle, up to the valve housing 11.
  • the opening D in the arm is provided with a lining 12, suitably of a material that is softer that the material of the arm, that covers the hard edges of the hole such that the tubes 9 are not worn when lying in contact with the edges of the opening D in the arm.
  • the arm section 3 is normally manufactured from a metal material, a steel material, and it is appropriate that the linings 3.1c and 12 are manufactured from, for example, a plastic material.
  • the tubes 9 are bent with a large radius of curvature and gently follow the constructional part 10 up to the valve housing 11. The number of free break-points on the tubes 9 is reduced to a minimum, and also wear of the tubes 9 is reduced.
  • Figures 3 and 4 show the region around the constructional part 10.
  • the constructional part 10 is bent to form a "C" or a "U” along the direction of its longitudinal extent, and it has two ends 10a and 10b and a central part 10c.
  • the constructional part 10 is mounted such that the two ends 10a and 10b are connected each to an arm 2a and 2b.
  • the central part 10c of the constructional part, the front of the constructional part, the convexly bent side or surface 10A, is directed towards the tool attachment 8.
  • the constructional part 10 is a beam element with a closed cross-section, with open ends and with an open inner space X3, see Figure 4 .
  • the valve housing 11 is principally placed behind the constructional part 10, behind the central part 10c of the constructional part, in the direction towards the vehicle, at the rear side of the constructional part, the concave side 10B. This location is safer, less exposed.
  • Contacts 12 are arranged at the valve housing 11 and they make it possible to connect the tubes 9 to the valve housing 11. These contacts 12 make possible also the connection of tubes 13 that pass between the valve housing 11 and the tool 7, control and regulatory units 4, and one or several accumulators located within the inner space X3 of the constructional part.
  • the contacts 12 are principally arranged on the upper surface 10C of the constructional part such that it is easy to gain access to them when making connections, such that they in this way facilitate simple, easy and rapid connection of, mainly, the tool 7 to the loader 1.
  • the valve housing 11 with its spread design and construction, is principally located in line with the arms 2a and 2b and behind the constructional part 10.
  • the tubes 9, which come from the vehicle, are drawn and are led through at least one of the arms 2a and 2b to the valve housing 11.
  • the tubes 9 are drawn and are led in through the opening C in the first arm section 3.1, through the space X1 in one of, or in both of, the arm sections or sections 3.1, onwards through the space X2 in the second arm section 3.2 and finally out of the arm 2a, or the arms 2a and 2b, through the opening D in the arm in one of the arm sections 3, or in both of the arm sections 3, in the inner wall 3a of the arm section.
  • the opening D in the arm is arranged in the direction towards the rear side 10B of the constructional part, above the constructional part 10 in the direction towards the vehicle, at the end A of the loader.
  • the tubes 9 follow subsequently the concave side 10B of the constructional part, the side that faces towards the vehicle, to the valve housing 11.
  • the tubes 9 are bent with a large radius of curvature and follow gently the bent shape of the constructional part to the valve housing 11.
  • the number of free break-points on the tubes 9 will in this way be reduced and also wear of the tubes will be reduced.
  • Coverings 14a-14c are arranged over the tubes 9 and the valve housing 11 and they cover these and parts of the constructional part 10, such that they are protected and are not freely accessible for the elements, see Figure 4 .
  • the covering that is shown is divided into several parts, where each part covers a particular region.
  • Two coverings 14a and 14b are arranged at each end 10a and 10b of the constructional part, over the region at which the tubes 9 come out from and go into the arm sections 3.
  • a third covering 14c covers the valve housing 11 and the cables 9 and 13 that pass to and from the valve housing 11.
  • the coverings 14a-14c also hold the cables 9 and 13 in place such that they do not enter the field of view of the driver or obstruct the view.
  • the coverings 14a-14c protect the cables 9 and 13 and they determine their positions. It is appropriate that the coverings 14a-14c have a principally plane shape and are of a plastic material or a sheet metal material that at least can withstand the load placed on it by a person who stands on the constructional part 10, together with one or more of the coverings.
  • the coverings or any one covering may also form a single cover through several coverings being connected to each other in a suitable manner.
  • the covering may also be designed as a single piece or it may comprise further parts, further coverings.

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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)
  • Component Parts Of Construction Machinery (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Harvester Elements (AREA)
  • Battery Mounting, Suspending (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Claims (9)

  1. Lader (1) mit zwei länglichen, parallel zueinander angeordneten Armen (2a, 2b), von denen ein Ende (A) mit einem Fahrzeug verbunden werden kann und von denen das andere Ende (B) mit einem Werkzeug (7) verbunden werden kann, wobei mindestens ein Arm (2a) einen Raum (X1, X2) umfasst, der am Arm entlangläuft und in dem Schläuche oder Kabel (9) angeordnet sind, die den Transport von Elektrizität und/oder einem hydraulischen Mittel und/oder einem pneumatischen Mittel vom Fahrzeug zu den verschiedenen Teilen (4, 11) des Laders oder des Werkzeugs (7) und von den verschiedenen Teilen (4, 11) des Laders oder des Werkzeugs (7) zum Fahrzeug ermöglichen, und wobei der Arm (2a) einen ersten Armabschnitt (3.1) umfasst, der einen ersten Teil (X1) des Raums bietet, in dem die Schläuche oder Kabel (9) angeordnet sind, und der erste Raumteil (X1) durch den ersten Armabschnitt (3.1) und einem Balkenelement (3.1a), die miteinander verbunden sind, gebildet wird, dadurch gekennzeichnet, dass das Balkenelement (3.1 a) in Kontakt mit der unteren Fläche (3.1 b) des ersten Armabschnitts (3.1) ist und dass das Balkenelement (3.1a) einen offenen, im Wesentlichen C- oder U-förmigen Querschnitt hat, so dass der Raum (X1) vom Balkenelement (3.1a) und dem ersten Armabschnitt (3.1) umgeben und begrenzt ist.
  2. Lader nach Anspruch 1, wobei der Raum (X1, X2) im Arm (2a, 2b) angeordnet ist.
  3. Lader nach Anspruch 1 oder 2, wobei ein zweiter Armabschnitt (3.2) einen zweiten Teil (X2) des Raums, in dem die Schläuche (9) angeordnet sind, bietet.
  4. Lader nach Anspruch 3, wobei der zweite Armabschnitt (3.2) ein Balkenelement umfasst, das den zweiten Teil (X2) des Raums bildet.
  5. Lader nach Anspruch 4, wobei der zweite Armabschnitt (3.2) ein Balkenelement mit einem geschlossenen Querschnitt umfasst.
  6. Lader nach einem der Ansprüche 1 - 5, wobei ein längliches Bauteil (10) zwischen den beiden Armen (2a, 2b) angeordnet ist, die beiden Arme (2a, 2b) miteinander verbindet und dem Lader (1) Stabilität verleiht, und wobei ein Ventilgehäuse (11) am Bauteil (10) angeordnet ist, mit dem die Schläuche (9) nach ihrem Austritt aus dem Arm (2a, 2b) verbunden sind.
  7. Lader nach Anspruch 6, wobei die Schläuche (9) durch eine Öffnung (D), die zu dem Raum (10B) hinter dem Bauteil gerichtet ist, aus den Armen (2a, 2b) herausgehen.
  8. Lader nach Anspruch 7, wobei die Schläuche (9) der Rückfläche (10B) des Bauteils zum Ventilgehäuse (11) folgen.
  9. Lader nach einem der Ansprüche 6 - 8, wobei mindestens eine Abdeckung (14a - 14c) über den Schläuchen (9), Teilen des Bauteils (10) und dem Ventilgehäuse (11) angeordnet ist.
EP05784904A 2004-09-29 2005-09-20 Ladevorrichtung mit armabschnitten, die einen raum aufweisen, der sich entlang dem arm erstreckt und in dem rohre oder kabel angeordnet sind Active EP1799919B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0402365A SE531215C2 (sv) 2004-09-29 2004-09-29 Lastare innefattande två armdelar försett med ett utrymme i vilket slangar/ledningar är dragna
PCT/SE2005/001371 WO2006036104A1 (en) 2004-09-29 2005-09-20 Loader comprising arm sections that have a space that runs along the arm in which tubes or cables are arranged

Publications (2)

Publication Number Publication Date
EP1799919A1 EP1799919A1 (de) 2007-06-27
EP1799919B1 true EP1799919B1 (de) 2010-08-11

Family

ID=33414866

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Application Number Title Priority Date Filing Date
EP05784904A Active EP1799919B1 (de) 2004-09-29 2005-09-20 Ladevorrichtung mit armabschnitten, die einen raum aufweisen, der sich entlang dem arm erstreckt und in dem rohre oder kabel angeordnet sind

Country Status (8)

Country Link
US (1) US20080063502A1 (de)
EP (1) EP1799919B1 (de)
AT (1) ATE477377T1 (de)
AU (1) AU2005287952B2 (de)
CA (1) CA2581972C (de)
DE (1) DE602005022898D1 (de)
SE (1) SE531215C2 (de)
WO (1) WO2006036104A1 (de)

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
GB2448312B (en) * 2007-04-10 2010-11-10 Agco Gmbh Loader attachment having at least two parallel arms
EP2152975A4 (de) * 2007-05-08 2012-01-18 Challenge Implements Holdings Pty Ltd Schlaucheinlasssystem
US8047760B2 (en) 2008-10-15 2011-11-01 Clark Equipment Company Integral power or electrical conduit coupler
US8666609B2 (en) * 2011-01-31 2014-03-04 Yanmar Co., Ltd. Work vehicle
USD739446S1 (en) 2011-07-08 2015-09-22 Alo Aktiebolag Front loader for a tractor
USD769335S1 (en) * 2014-04-16 2016-10-18 Deere & Company Frontloader
USD768731S1 (en) * 2014-04-16 2016-10-11 Deere & Company Frontloader
CA160237S (en) * 2014-06-23 2016-01-27 Deere & Co Frontloader
USD777801S1 (en) * 2014-09-26 2017-01-31 Kubota Corporation Air conditioning duct for construction equipment
USD766343S1 (en) * 2015-05-20 2016-09-13 Deere & Company Front end final loader
JP1547702S (de) * 2015-10-19 2016-04-11
USD807407S1 (en) * 2016-10-28 2018-01-09 Kubota Corporation Bucket work machine for a loader
USD943641S1 (en) * 2020-01-23 2022-02-15 Deere & Company Loader arms
USD923062S1 (en) * 2020-02-20 2021-06-22 Hankuk Chain Industrial Co., Ltd. Front end loader of tractor
USD983842S1 (en) * 2021-05-17 2023-04-18 George Hunter Protective cover accessory for excavator arm

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US2782946A (en) * 1954-07-22 1957-02-26 Hough Co Frank Power loaders
US2961106A (en) * 1956-02-01 1960-11-22 Davis Engineering Inc Hydraulically operated mobile digging machine
US4050596A (en) * 1975-07-24 1977-09-27 Control Concepts, Inc. Electrohydraulic valve assembly for front end loader attachment to farm tractor
JPH0726415B2 (ja) * 1989-12-13 1995-03-22 株式会社クボタ 作業機のブームアセンブリ
US5232330A (en) * 1992-06-29 1993-08-03 Deere & Company Structure for mounting hydraulic hoses for a power loader
US5533856A (en) * 1995-05-22 1996-07-09 Deere & Company Combined loaded self-leveling and implement tilt linkages for effecting true level and enhanced roll back and dump characteristics throughout lift range of loader
JP2938373B2 (ja) * 1995-09-06 1999-08-23 住友建機株式会社 側溝掘り油圧ショベルに於ける油圧配管
US6171050B1 (en) * 1997-08-29 2001-01-09 Gehl Company Load arm assembly for a skid steer loader
JP3794004B2 (ja) 1998-03-04 2006-07-05 株式会社小松製作所 建設機械の作業機
US6758024B1 (en) * 1999-11-24 2004-07-06 Liebherr-Hydraulikbagger Gmbh Industrial shaft, particularly for packaging equipment
JP3822133B2 (ja) * 2002-05-09 2006-09-13 株式会社クボタ 旋回作業機の油圧配管構造
US6994511B2 (en) * 2003-11-21 2006-02-07 Westendorf Manufacturing Co., Inc. Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly

Also Published As

Publication number Publication date
AU2005287952A1 (en) 2006-04-06
CA2581972A1 (en) 2006-04-06
SE0402365D0 (sv) 2004-09-29
CA2581972C (en) 2011-08-30
DE602005022898D1 (de) 2010-09-23
SE0402365L (sv) 2006-03-30
US20080063502A1 (en) 2008-03-13
EP1799919A1 (de) 2007-06-27
SE531215C2 (sv) 2009-01-20
ATE477377T1 (de) 2010-08-15
AU2005287952B2 (en) 2011-01-06
WO2006036104A1 (en) 2006-04-06

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