EP1915485B1 - Equipement polyvalent - Google Patents

Equipement polyvalent Download PDF

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Publication number
EP1915485B1
EP1915485B1 EP06792741.8A EP06792741A EP1915485B1 EP 1915485 B1 EP1915485 B1 EP 1915485B1 EP 06792741 A EP06792741 A EP 06792741A EP 1915485 B1 EP1915485 B1 EP 1915485B1
Authority
EP
European Patent Office
Prior art keywords
tool
working device
purpose working
subsoil
hydraulic
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.)
Not-in-force
Application number
EP06792741.8A
Other languages
German (de)
English (en)
Other versions
EP1915485A1 (fr
Inventor
Horst Schwab
Wolfgang Schwab
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.)
HORST SCHWAB GmbH
Original Assignee
HORST SCHWAB GmbH
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 HORST SCHWAB GmbH filed Critical HORST SCHWAB GmbH
Publication of EP1915485A1 publication Critical patent/EP1915485A1/fr
Application granted granted Critical
Publication of EP1915485B1 publication Critical patent/EP1915485B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
    • 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
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/764—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable 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
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/765—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade

Definitions

  • the invention relates to a multi-purpose working device, in particular for the production of flat surfaces, according to the preamble of claim 1 with a rear frame, a front frame, the rear connecting to the front frame center part with the front and rear frame moving means, preferably wheels, are mounted.
  • Such multipurpose work equipment is known in the art. So is about from the DD 237 860 A1 a dozer with these features known. Rear frame and tool holder of this dozer are connected via two telescopic connections of the central part with the front axle.
  • This grading machine has the considerable disadvantage that the extension and retraction of the two telescopic connections must correspond to each other and therefore are technically very complex. Due to the many moving parts, this grader is also particularly prone to failure. The complicated mechanics continue to make a large and heavy overall construction required, which has a high weight and thus a high surface load of the substrate and is very poor maneuverability. Therefore, such a multi-purpose working device can not be used on sensitive surfaces or narrow areas.
  • the DE 2 155 193 B1 shows a grading machine in which the equipped with two wheels rigid front axle is connected by a fixed middle frame with the biaxial rear frame. At the middle frame a grading tool is mounted, the distance to the underlying underlying soil can be kept constant by means of a spacer device. Also This bulldozer is very heavy and poorly manoeuvrable because of its construction.
  • the DE 1931015 B shows an earthmoving vehicle with a biaxial rear part and a biaxial front part.
  • a very elaborate hydraulic is trying to ensure that both the biaxial rear part and the biaxial front part during maneuvering have a uniform pressure on the substrate to be processed in order to keep the surface load despite the high weight bearable.
  • the type-related size leads to poor maneuverability of the vehicle.
  • the DE 3418975 A1 describes a tractor at the rear of a grading or Erdschuls adopted is arranged. Because of the consequent size of the device this is also poor maneuverability.
  • the US 4,364,438 A shows a leveling device with a rotatable at the ends but otherwise rigid in the longitudinal direction middle part, wherein the middle part is formed as a double bow.
  • Object of the present invention is to avoid the disadvantages described above and to provide a multi-purpose working device available, which in particular has a low basis weight with high maneuverability.
  • a multi-purpose working device which has an adjustment means connected to the central part tool holder, so that the tool holder is pivotable substantially perpendicular to the longitudinal axis and substantially parallel to the ground against the central part, wherein the rear and front frame moving means , Preferably wheels, and wherein the central part has at least one fixed and a movable part against it so that the movable part is substantially longitudinally movable against the fixed part.
  • the front frame has a front wheel and direction control means, preferably a hydraulic control.
  • a front wheel which is rotatable by a total of at least 120 degrees, preferably by at least 160 degrees, more preferably by at least 180 degrees, can be minimized together with the moving middle part of the turning radius of the multipurpose working device.
  • the front frame may have a preferably hydraulic drive for driving the front wheel mounted on the front frame. This makes it possible to turn the front wheel 90 degrees out of the longitudinal axis and thus move the multipurpose work tool in a circle. Thus, even small areas and narrow paths, such as walkways, can be processed with the multi-purpose working device according to the invention.
  • the attachment of the tool holder on the central part of the multipurpose working device has the additional advantage that the tool holder describes the same way as the middle part and thus reduces approximately the space required for cornering, which increases the maneuverability.
  • This maneuverability is increased even further when the multipurpose working device has a joint between the rear frame and the middle part, with which the middle part, preferably by means of hydraulics, is pivotable against the rear frame substantially parallel to the ground.
  • the radius can be additionally reduced when cornering.
  • the combination of a powered front wheel, an adjustable middle section and a joint between the center section and the rear frame also makes it possible to work hard-to-reach areas such as the corners of a soccer field.
  • the inventive multi-purpose working device compact design with the drive of all wheels allows a particularly lightweight design. Since the weight of the tool on the front and the rear frame of the multipurpose working device can be distributed very well in this structure, the Surface pressure reduced to the surface to be processed. This is particularly advantageous when the substrate to be processed is only slightly resilient due to the nature, such as existing lawn heating or introduced into the ground drainages.
  • the tool holder preferably has additional adjustment means.
  • These adjustment means essentially serve to adjust the horizontal and vertical angle of the tool holder relative to the ground.
  • these adjustment means comprise hydraulic components, more preferably they are decoupled from each other, so that the horizontal and the vertical angle of the tool holder are independently adjustable.
  • the multi-purpose working device has one or more distance measuring devices, with the help of which substantially the vertical distance of the tool holder connected to the tool is determined relative to the ground.
  • the multi-purpose working device on a control device that controls the distance between the tool and the ground, wherein the control device moves the tool connected to the tool holder by adjusting the vertical distance of at least one side of the tool relative to the ground. A previously set distance between the tool and the substrate is restored by the control device when the substrate changes.
  • the central part of the multipurpose working device has at least one fixed, not longitudinally movable to the rear frame part and a movable part, wherein the movable part moves substantially in the longitudinal direction against the fixed part can be. By moving the moving part a change of the wheelbase is achieved.
  • the front frame has means for receiving further elements, preferably for additional weights, particularly preferably for additional tillage equipment.
  • Fig. 1 shows an embodiment of a multi-purpose working device 1 according to the invention, comprising a front frame 10, a rear frame 11 and a connecting the rear with the front frame center part 20, consisting of a movable part 21 and a fixed part 22.
  • the front and the rear frame have moving means 40 or 41, which are wheels here. But it can also be used other means of movement, such as caterpillars. This ultimately depends on the specific area of application.
  • the tool holder 90 is connected to the fixed center part 22. On the tool holder 90, a tool 30, here a blade, attached.
  • the tool holder 90 Since the tool holder 90 is connected to the middle part 20 via an axis 70, it essentially describes the same path as the middle part 20.
  • the axis 70 serves to change the horizontal angle, ie the angle between the tool holder 90 and the longitudinal axis of the middle part 20 , As a result, the tool 30 can be aligned obliquely to the direction of travel of the multipurpose working device.
  • the tool holder 90 is rotated substantially by a hydraulic or other device suitable for rotating the adjustment device 70.
  • the middle part 20 has a fixed part 22 and a movable part 21 on the other hand. It has proved to be favorable to form the middle part 20 telescopically.
  • the movable middle part 21 extends within the fixed middle part 22.
  • the movable middle part 21 is preferably extended and retracted by means of a hydraulic system. It is also conceivable that the movable part 21 extends above or below the fixed part 22 and is moved about a crank or chain against the fixed part.
  • the extension and retraction of the movable part 21 causes an enlargement and a reduction of the wheelbase.
  • a reduced wheelbase increases the maneuverability of the multipurpose work implement while an increased wheelbase substantially provides greater stability and additionally creates greater pressure of the tool 30 on the ground.
  • a significant advantage of an increased wheelbase is the fact that this unevenness of the substrate to be processed are better compensated.
  • the moving means 40 and 41 are here wheels. But it can also be used caterpillars, which depends on the application.
  • the front frame 10 has exactly one front wheel, which may also be designed as a double wheel, and a device for controlling the direction of the front wheel. As a device for directional control, a hydraulic, not shown, is used. In addition, a drive is provided on the front frame 10 to drive the front wheel. In the illustrated embodiment of the FIG. 1 is it? to an oil hydraulic drive, not shown, which is operated via flexible oil pressure lines 15.
  • the use of only one front wheel has two major advantages: on the one hand, the front wheel can be set at an angle of 90 ° to the axis transverse, allowing a rotation of the multipurpose work tool on its own axis is possible, on the other hand, the maneuverability of the multipurpose working device in particular short central part greatly increased, since the space requirement of the front wheel even when cornering, unlike a known from the prior art large and strong loadable axle, maximum corresponds to the radius of the front wheel.
  • a three-point hydraulic 60 for receiving other devices, such as a rear stacker, a harrow, a router or other tools attached. This considerably increases the number of possible uses of the multipurpose working device. Likewise, a PTO shaft for driving the recorded on the three-point hydraulic tillage equipment available.
  • Fig. 2 shows a detailed representation of in Fig. 1 shown tool holder 90 with attached blade 30 as a tool.
  • the tool holder 90 has adjusting devices 100, here two hydraulic arms.
  • a displacement device not shown here, and two distance measuring devices 120 can be attached to the tool holder 90.
  • the distance measuring devices 120 can here both for measuring the distance be used to the ground as well as to measure the lateral distance.
  • distance measuring devices 120 ultrasonic devices, laser devices or other devices suitable for measuring a distance are used.
  • the adjusting devices 100 are also used. With these adjustment devices 100, the tool 30 is tilted on one side downwards or upwards, whereby the vertical angle of the tool 90 changes to the ground.
  • adjusting devices 100 advantageously hydraulic arms are used. To tilt the tool 30, these must then correspond independently.
  • the adjustment devices 100 also serve to adjust the height of the tool 30. By simultaneously retracting or extending the adjustment devices 100, the tool 30 moves upwards or downwards. The tool 30 itself moves along a guide rail (not shown here) along the holder 115.
  • the tool holder 90 further has a displacement device, not shown, by means of which the tool 30 can be extended substantially laterally, both left and right.
  • a displacement device not shown, by means of which the tool 30 can be extended substantially laterally, both left and right.
  • the range of application of the multipurpose working device is substantially increased, since in particular, together with the setting of the vertical angle to the ground and the substrate side of the multipurpose working device, such as a slope or sidewalk, can be edited.
  • the displacement device is also realized as a hydraulic system. But it is also possible to use about gears.
  • the displacement device is preferably operated independently of the adjustment devices 100.
  • the two distance measuring devices 120 are connected to a control device.
  • a control device For example, with changing distance of the tool holder 90 to the ground, for example, in inclined floors, slopes or bumps, with the help of the control device, a previously set distance can be kept constant even when the ground is changing relative to the ground.
  • the distance measuring device 120 may also be configured to adjust the horizontal distance of the tool holder 90 to a reference object, e.g. a wall, measure and keep constant by means of the control device.
  • the multipurpose working device has a hinge between the rear frame 11 and the fixed part 22.
  • the fixed part 22 is connected by means of the hinge with the rear frame 11 such that the middle part 20 is pivotable substantially parallel to the ground.
  • the middle part 20 is not rigidly connected to the rear part 11, which further increases the maneuverability of the multipurpose working device.
  • the center portion is pivoted to assist the cornering by means of a hydraulic to the right or left, wherein the Abschwenkwinkel may be in a fixed relationship to the steering angle of the front wheel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Agricultural Machines (AREA)
  • Road Paving Machines (AREA)
  • Harvester Elements (AREA)

Claims (10)

  1. Dispositif de travail multifonctions (1), en particulier pour la fabrication de surfaces planes, qui présente un cadre postérieur (11), un cadre antérieur (10), une partie centrale (20) qui relie le cadre postérieur et le cadre antérieur et un support d'outils (90) qui est relié à la partie centrale (20) par des moyens de réglage (70) si bien que le support d'outils (90) est pivotant contre la partie centrale (20) substantiellement perpendiculairement à l'axe longitudinal et substantiellement parallèlement au sol, le cadre postérieur (11) et le cadre antérieur (10) présentant des moyens de déplacement (40, 41), de préférence des roues, et la partie centrale (20) présentant au moins une partie fixe (22) et une partie mobile (21) contre celle-ci si bien que la partie mobile (21) peut être déplacée substantiellement dans le sens de la longueur contre la partie fixe (22), caractérisé en ce que le cadre antérieur (10)
    - présente exactement une roue de devant (40) ;
    - des moyens pour la commande de la direction, de préférence une commande hydraulique qui agit sur la roue de devant, les moyens pour la commande de la direction étant de préférence réalisés en ce qu'ils peuvent tourner la roue de devant (40) sur une plage angulaire d'au moins 120 degrés en tout, de préférence d'au moins 160 degrés, de manière particulièrement préférée d'au moins 180 degrés et
    - un entraînement, de préférence un entraînement hydraulique, pour l'entraînement de la roue de devant (40).
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il présente, entre le cadre postérieur (11) et la partie centrale (20), une articulation avec laquelle la partie centrale (20) peut être pivotée contre le cadre postérieur (11) substantiellement parallèlement au sol, de préférence au moyen d'un dispositif hydraulique.
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il présente des moyens de réglage (70) pour régler l'angle horizontal et l'angle vertical de l'outil (30) relié au support d'outil (90) par rapport au sol.
  4. Dispositif selon la revendication 3, caractérisé en ce que les moyens de réglage (70) sont réglables en étant découplés l'un de l'autre et séparés l'un de l'autre.
  5. Dispositif selon la revendication 3, caractérisé en ce que les moyens de réglage (70) présentent des composants hydrauliques.
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le support d'outil (80) présente un dispositif de translation substantiellement pour faire sortir latéralement l'outil (30).
  7. Dispositif selon la revendication précédentes, caractérisé en ce que la partie mobile (21) et la partie fixe (22) de la partie centrale (20) sont mobiles l'une contre l'autre substantiellement de manière télescopique, de préférence au moyen d'un dispositif hydraulique.
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le cadre antérieur (10) présente des moyens pour loger d'autres éléments, de préférence des poids supplémentaires ou d'autres dispositifs, de manière particulièrement préférée d'autres dispositifs de travail du sol.
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif hydraulique en trois points est logé sur le cadre postérieur (11), dispositif qui est destiné à loger des outils supplémentaires ou d'autres outils, de préférences des dispositifs de travail du sol.
  10. Dispositif selon l'une des revendications précédentes 3 à 6, caractérisé en ce qu'il présente au moins un dispositif de mesure de la distance avec lequel substantiellement la distance verticale de l'outil (30) relié au support d'outil (90) peut être déterminée par rapport au sol ainsi qu'il présente un dispositif de réglage qui est destiné au réglage de la distance entre l'outil (30) et le sol, le dispositif de réglage déplaçant l'outil (30) relié au support d'outil (90) en réglant la distance verticale d'au moins un côté de l'outil (30) par rapport au sol de telle manière qu'une distance verticale réglée auparavant entre l'outil (30) et le sol reste substantiellement constante par le dispositif de réglage lorsque le sol change.
EP06792741.8A 2005-08-08 2006-08-08 Equipement polyvalent Not-in-force EP1915485B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005037389A DE102005037389B4 (de) 2005-08-08 2005-08-08 Vielzweckarbeitsgerät
PCT/EP2006/065164 WO2007017516A1 (fr) 2005-08-08 2006-08-08 Equipement polyvalent

Publications (2)

Publication Number Publication Date
EP1915485A1 EP1915485A1 (fr) 2008-04-30
EP1915485B1 true EP1915485B1 (fr) 2013-07-03

Family

ID=36952574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06792741.8A Not-in-force EP1915485B1 (fr) 2005-08-08 2006-08-08 Equipement polyvalent

Country Status (5)

Country Link
US (1) US20080169110A1 (fr)
EP (1) EP1915485B1 (fr)
CA (1) CA2618020C (fr)
DE (1) DE102005037389B4 (fr)
WO (1) WO2007017516A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009121415A1 (fr) * 2008-04-03 2009-10-08 Horst Schwab Gmbh Dispositif à usage multiple pour produire des surfaces plates
FR2976155A1 (fr) * 2011-06-07 2012-12-14 Bouhours Et Cie Tracteur agricole a chassis relevable et reglable en longueur avec porte outillage avant

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672460A (en) * 1971-02-16 1972-06-27 Raygo Inc Control means for power steering servo

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US2220361A (en) * 1938-09-09 1940-11-05 Edward E Westphal Sidehill steering attachment for tractors
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US4148365A (en) * 1977-09-14 1979-04-10 Anderson Ernest L Earth working attachment for tractors
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DE3418975A1 (de) * 1984-05-22 1985-11-28 PÖMA-Maschinenbau Wolfgang Pötzsch, 3341 Groß Denkte Planier- und verdichtungsgeraet
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Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US3672460A (en) * 1971-02-16 1972-06-27 Raygo Inc Control means for power steering servo

Also Published As

Publication number Publication date
DE102005037389B4 (de) 2008-10-16
CA2618020A1 (fr) 2007-02-15
WO2007017516A1 (fr) 2007-02-15
EP1915485A1 (fr) 2008-04-30
DE102005037389A1 (de) 2007-02-15
CA2618020C (fr) 2012-09-11
US20080169110A1 (en) 2008-07-17

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