EP2643523B1 - Wischervorrichtung für schneematsch - Google Patents

Wischervorrichtung für schneematsch Download PDF

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Publication number
EP2643523B1
EP2643523B1 EP10860083.4A EP10860083A EP2643523B1 EP 2643523 B1 EP2643523 B1 EP 2643523B1 EP 10860083 A EP10860083 A EP 10860083A EP 2643523 B1 EP2643523 B1 EP 2643523B1
Authority
EP
European Patent Office
Prior art keywords
slush
rubber
rubber blade
blade
secured
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
EP10860083.4A
Other languages
English (en)
French (fr)
Other versions
EP2643523A4 (de
EP2643523A1 (de
Inventor
Erik Abrahamsen
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.)
Aebi Schmidt Norge AS
Original Assignee
Aebi Schmidt Norge AS
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 Aebi Schmidt Norge AS filed Critical Aebi Schmidt Norge AS
Priority to PL10860083T priority Critical patent/PL2643523T3/pl
Publication of EP2643523A1 publication Critical patent/EP2643523A1/de
Publication of EP2643523A4 publication Critical patent/EP2643523A4/de
Application granted granted Critical
Publication of EP2643523B1 publication Critical patent/EP2643523B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/06Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades
    • E01H5/061Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades by scraper blades
    • E01H5/062Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades by scraper blades by scraper blades displaceable for shock-absorbing purposes

Definitions

  • the present invention relates to a tool in the form of a snow slush wiper apparatus designed for attachment to a vehicle and to interact with the ground in order to remove snow slush from a road surface, which apparatus includes a main frame for attachment to the vehicle.
  • the present invention relates to a snow slush wiper apparatus as stated in the preamble of the appended claim 1.
  • the slush wiper is made of rubber, the ability of the wiper to follow the unevenness of the road surface, such as wear tracks in the road surface resulting from use of tire studs, is not particularly well. Much of the slush continue to escape past the rubber strip and is left behind in the roadway.
  • One primary object with the invention has been to provide a tool which is better able to wipe off slush from the road surface so that less amounts of salt are necessary to remove or melt the remaining snow slush.
  • each retainer provides individual, independent, limited and resilient freedom of motion of said rubber blade in its plane, said resilient motion tends to bring a rubber blade back to a position of origin
  • each retainer includes two cantilevered arms having a support plate secured therebetween, which support plate carries, in turn, the rubber blade, and that each cantilevered arm includes a slit for receipt of a frame part in the form of a rod body.
  • each rubber blade has its individual and independent, limited freedom of motion in the plane thereof. This means that the motions of the blade are limited to up and down, and a limited rotation or turning about an axis extending centrally and perpendicular to said plane of the blade. This describes in closer detail a way how to get the rubber blade to follow the unevenness of the road surface, also wheel tracks resulting from stud tire use and wear.
  • each rubber blade also can have individual and independent, limited resilience in a direction substantially perpendicular to its plane. This means that they can give way or yield in the driving direction of the vehicle if there should exist spotwise bumps in the road track, for example lumps of ice or stones projecting from the road body.
  • each rubber blade is overlappingly offset relative to each other in the longitudinal direction of a row, the freedom of motion of each single blade will increase compared with if they should be placed in line and close adjacent to each other.
  • each rubber blade may include armoring embedded into a rubber matrix.
  • the armor can be cords or strands of a type similar to those used in car tires.
  • the spring load can be provided by means of a leaf spring and a seat, the leaf spring being introduced into respective slits in the cantilevered arms and abuts the lower end of the slit, and, in turn, the seat abuts in a pretensioned way against the lower side of the rod body.
  • the rubber blades can exert pressure against the ground by virtue of the specific weight of the slush wiper apparatus, possibly with the addition of supplemental force from an actuator, such as a work cylinder.
  • the slush wiper apparatus can be elevated and lowered by means of at least one actuator, such as a work cylinder.
  • the tool can be mounted at different locations on a vehicle.
  • the tool can be mounted in the middle below a snow truck, alternatively just in front of a salt sprinkler of a vehicle.
  • the tool can also be mounted between a plough and the front end of a vehicle if the space allows.
  • figure 1 shows a first embodiment of the tool 1.
  • This embodiment has three rows of slush blades 2 placed after each other and somewhat offset relative to each other. They are offset relative to each other because the tool 1 is angularly mounted in relation to the driving and longitudinal direction of the vehicle, see figure 8 .
  • the tool 1 is set at an angle between 20 to 40 degrees relative to the driving direction and such that each row end projects on both sides of the vehicle and the ends are located substantially in line in parallel to the longitudinal direction.
  • the number of rows, one or more is a choice to be taken with regard to the conditions of the road surface and the circumstance about the slush to be removed.
  • the tool 1 will rest on the ground by its own weight.
  • the shown embodiment with three rows weighs in the order of magnitude 800kg which provides a good pressure against the ground.
  • one or more actuators (not shown), such as a work cylinder, is arranged between the chassis of the vehicle and the tool.
  • the actuator or actuators are able to increase substantially the pressure of the slush blade against the ground, which is necessary on worn road surfaces having deep wheel tracks.
  • the tool 1 can be elevated or lowered in order to be lifted and free from the road surface when not in use, and lowered when the tool is to be used to remove slush.
  • Fig. 2 shows the main frame 3, which is to support the three rows of slush blades 2.
  • the frame has a number of braces 3a, here shown six individual pieces, extending transversely of three support rods 3b.
  • the braces 3a are welded to each individual support rod 3b to form a rigid frame structure 3.
  • Two of the braces 3a' are especially designed in order to be prepared for mounting means for attachment to a vehicle and actuators.
  • fig. 3 and 4 For the more detailed description of the tool construction, reference is made to fig. 3 and 4 .
  • fig. 3 the tool 1 is shown from one end, while fig. 4 shows the same, but somewhat in perspective view inclined from above.
  • the slush blades 2 themselves are placed in a line, but are somewhat overlapping and offset relative to each other.
  • Each slush blade 2 is individually secured to a respective retainer 4 or a mounting bracket 4.
  • Each mounting bracket 4 is in turn secured to a support rod 3b, but is not fixed to the support rod 3b.
  • At each end each support bracket 4 has a frame 4' encircling the support rod 3b, which can be opened both for first assembly and later replacements.
  • an upper crossbar 4" is a part of the frame 4' and the crossbar 4" is attached to the frame 4' by means of screw connections 5.
  • each rubber blade which in turn is secured to the retainer 4, is resilient secured relative to the main frame 3.
  • the means 6 are assembled by a saddle piece 6' and a spring part 6". These are described in closer detail in connection with figures 6A to 6C .
  • Fig. 5A and 5B illustrate more clearly how each support bracket 4 is mounted relative to the support rod 3b, both regarding the overlap and how they are offset relative to each other. Further, the support brackets 4 are prevented from sliding along the support rod 3b by smaller protrusions, such as the lug 3' illustrated in figure 2 . Some motion of freedom, however, they may have.
  • Fig. 6A-6C show the support bracket 4 in closer detail and in several perspectives. Additionally, they show a somewhat different design of the support bracket 4, or retainer 4.
  • Each retainer 4 includes two cantilevered arms 4a, 4b having a support plate 4c secured therebetween.
  • the support plate 4c carries in turn the rubber blade 2.
  • Each cantilevered arm 4a, 4b includes a slit 4d for receipt of the support rod 3b. As indicated above, the slit 4d is closed by a cross-member 4e that is secured by means of screw connections.
  • Fig. 6A shows in closer detail how the spring load is provided by the aid of a leaf spring 6" and a seat or saddle 6' as mentioned above.
  • the leaf spring 6" is introduced into respective slits 4d in the cantilevered arms 4a, 4b and is abutting the lower end of the slits 4d, and the saddle 6' is in turn placed pretensioned against the underside of the support rod 3b. Naturally, this may be arranged differently if desired.
  • Fig. 6B shows this right from the side.
  • Fig. 6C illustrates by means of broken lines possible motions of the slush blade 2 influenced by the ground that the tool 1 is pulled over.
  • the pulling direction is normally to the right hand side of the figure sheet, such that the slush blade 2, in a way, is dragged relative to the support rod 3b (and is not pushed).
  • the figures also show that the slush blade 2 has a centrally located slit S, which provides some motion of freedom to each half of the slush blade 2 relative to each other, which still more increases the ability to follow and contact the entire width of the road surface.
  • Fig. 7 illustrates in closer detail how the leaf spring 6" and the slush blade 2 can move in respect of the saddle 6' when the slush blade 2 is exposed for unevenness in the ground causing approximately vertical motions.
  • the rubber blade 2 exerts pressure against the ground in virtue of the dead weight of the tool 1. It will often be advantageous, and actually necessary in many situations, to exert additional pressure from one or more actuators, such as a hydraulic work cylinder.
  • the tool 1 can be elevated and lowered by means of at least one actuator, such as another hydraulic work cylinder.
  • each rubber blade has individual and independent, limited resilience in a direction substantially perpendicular to its plane. This is a natural property of rubber.
  • the rubber can have embedded armoring, such as cords or strands in a car tire and balata, for example.
  • Fig. 8 shows an alternative tool 1' as the tool typically will be mounted to a schematically illustrated vehicle K.
  • This embodiment has two rows of slush blades 2, the rows being substantially offset relative to each other, but also a variant where this offset feature is adjustable. Each row does necessarily not need to be equally long.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)
  • Road Paving Machines (AREA)
  • Cleaning In General (AREA)

Claims (6)

  1. Wischervorrichtung für Schneematsch (1), welche dazu ausgelegt ist, an einem Fahrzeug befestigt zu werden und mit dem Boden zusammen zu wirken, um Matsch von der Straßenoberfläche zu beseitigen, umfassend einen Hauptrahmen (3) zum Befestigen am Fahrzeug, zumindest eine Reihe individueller am Hauptrahmen (3) fixierter Gummischaufeln (2),
    wobei die Reihe Gummischaufeln (2) sich im Gebrauch lateral zur Fahrtrichtung, vorzugsweise abgewinkelt zur Fahrtrichtung erstreckt, und jede Gummischaufel (2) sich relativ zur anderen in einer Längsrichtung der Reihe mit einem Versatz überlappt,
    wobei jede Gummischaufel (2) elastisch über eine Aufnahme (4) aufgehängt ist, an welcher jede Gummischaufel fixiert ist, und welche federnd am Hauptrahmen befestigt ist, dadurch gekennzeichnet, dass
    jede Aufnahme (4) eine individuelle, unabhängige, beschränkte und elastische Bewegungsfreiheit der Gummischaufel in ihrer Ebene vorsieht, wobei die elastische Bewegung darauf gerichtet ist, eine Gummischaufel (2) in ihre Ursprungsposition zurückzubringen,
    wobei jede Aufnahme (4) zwei Kragarme (4a, 4b) mit einer dazwischen fixierten Stützplatte (4c) enthält, wobei die Stützplatte ihrerseits die Gummischaufel (2) trägt, und dass jeder Kragarm (4a, 4b) einen Schlitz (4d) zur Aufnahme eines Rahmenteils in der Form eines Stabkörpers (3b) enthält.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die untere Kante jeder Gummischaufel (2) eine individuelle und unabhängige, begrenzte Elastizität in einer im Wesentlichen zu ihrer Ebene senkrechten Richtung aufweist.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jede Gummischaufel (2) eine in einer Gummimatrix eingebettete Bewehrung enthält.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Federkraft durch eine Blattfeder (6") und einen Sitz (6') bereitgestellt wird, wobei die Blattfeder (6") in die jeweiligen Schlitze (4d) in den Kragarmen (4a, 4b) eingeführt ist und an das untere Ende des Schlitz (4d) anstößt, und der Sitz seinerseits vorgespannt gegen die untere Seite des Stangenkörpers (3b) anstößt.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Gummischaufeln (2) Druck gegen den Boden gemäß des spezifischen Gewichts der Wischervorrichtung für Matsch (1), und möglicherweise mit dem Zusatz eines zusätzlichen Drucks / Kraft von einem Antrieb, wie einem Arbeitszylinder, ausübt.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Wischervorrichtung für Matsch (1) durch zumindest einen Antrieb, wie einen Arbeitszylinder, hochgehoben und abgesenkt werden kann.
EP10860083.4A 2010-11-22 2010-11-22 Wischervorrichtung für schneematsch Not-in-force EP2643523B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10860083T PL2643523T3 (pl) 2010-11-22 2010-11-22 Urządzenie zgarniające błoto pośniegowe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2010/000425 WO2012070943A1 (en) 2010-11-22 2010-11-22 Snow slush wiper apparatus

Publications (3)

Publication Number Publication Date
EP2643523A1 EP2643523A1 (de) 2013-10-02
EP2643523A4 EP2643523A4 (de) 2015-01-28
EP2643523B1 true EP2643523B1 (de) 2016-09-07

Family

ID=46146087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10860083.4A Not-in-force EP2643523B1 (de) 2010-11-22 2010-11-22 Wischervorrichtung für schneematsch

Country Status (4)

Country Link
EP (1) EP2643523B1 (de)
DK (1) DK2643523T3 (de)
PL (1) PL2643523T3 (de)
WO (1) WO2012070943A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI125842B (fi) * 2014-01-17 2016-03-15 Pajakulma Oy Lumiaura ja lumiauran teräpenkki
CA3105727C (en) * 2016-01-26 2021-09-21 Usinage Pro24 Inc. Sweeping blade device with adjustable blades
EP3940145B1 (de) 2020-07-16 2024-03-27 Gestion Pihm Inc. Kehrschaufelvorrichtung und kehrschaufelanordnung für ein fahrzeug
US11795641B2 (en) 2021-03-24 2023-10-24 Gestion Pihm Inc. Sweeping blade and sweeping blade assembly for a vehicle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE357993B (de) * 1971-12-15 1973-07-16 Maehler & Soener
DE2329627A1 (de) 1973-06-09 1975-01-02 Maehler & Soener Raeumgeraet zur montage an einem lastwagen, einem traktor oder einem aehnlichen fahrzeug
SE454279B (sv) * 1984-12-19 1988-04-18 Maehler & Soener Plogblad for moddplog
US4669205A (en) 1986-01-24 1987-06-02 Smathers James A Segmented snow plow apparatus
NO309949B1 (no) * 1994-04-13 2001-04-23 Scana Staal As Plogskjær med festemidler for fastgjøring til en plog
US5819443A (en) * 1997-07-25 1998-10-13 Winter; William L. Snow removal apparatus
US7467485B2 (en) * 2004-09-28 2008-12-23 Guy Hamel Inserted knife fortified snowplow blade

Also Published As

Publication number Publication date
EP2643523A4 (de) 2015-01-28
DK2643523T3 (en) 2016-12-19
EP2643523A1 (de) 2013-10-02
PL2643523T3 (pl) 2017-02-28
WO2012070943A1 (en) 2012-05-31
WO2012070943A9 (en) 2012-12-13

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