EP2581496B1 - Support de lame pour chasse-neige - Google Patents

Support de lame pour chasse-neige Download PDF

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Publication number
EP2581496B1
EP2581496B1 EP12187848.2A EP12187848A EP2581496B1 EP 2581496 B1 EP2581496 B1 EP 2581496B1 EP 12187848 A EP12187848 A EP 12187848A EP 2581496 B1 EP2581496 B1 EP 2581496B1
Authority
EP
European Patent Office
Prior art keywords
blade holder
blade
elastically deforming
deforming material
attachment
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.)
Active
Application number
EP12187848.2A
Other languages
German (de)
English (en)
Other versions
EP2581496A3 (fr
EP2581496A2 (fr
Inventor
Raoul Renser
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.)
Meiren Engineering Oue
Original Assignee
Meiren Engineering Oue
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Filing date
Publication date
Application filed by Meiren Engineering Oue filed Critical Meiren Engineering Oue
Priority to PL12187848T priority Critical patent/PL2581496T3/pl
Publication of EP2581496A2 publication Critical patent/EP2581496A2/fr
Publication of EP2581496A3 publication Critical patent/EP2581496A3/fr
Application granted granted Critical
Publication of EP2581496B1 publication Critical patent/EP2581496B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/06—Apparatus 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
    • E01H5/061—Apparatus 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
    • E01H5/062—Apparatus 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 invention is related to the field of mechanical engineering, namely to the field of blade constructions for road and large area maintenance equipment.
  • Blade constructions for road maintenance vehicles, scrapers and snow ploughs are known from the prior art.
  • Patent application publication WO 2004/031490 discloses the blade holder, in the form of a beam, connecting a blade to the lower edge of a snow-clearing device so that the blade has been given a definite angle to the base.
  • the beam enables the lower part of the blade to fold backwards, thereby preventing possible damage to the blade when running into an obstacle on the road. After passing the obstacle, the blade resumes its original position.
  • the beam is not massive, but has a cavity which is filled with a compressive material, e.g. foam plastic.
  • US5743032 discloses a grader blade; preferably a snow plough blade construction intended to be attached preferably to a tractor or lorry.
  • the grader blade construction includes a frame consisting of a flat part that is detachable from the grader, and several blade plates covering the desired working width; whereas there is a section consisting of elastic material between the blade plates. The elastic material is arranged to permit the movement of the blade plates in only one direction when the blade plate strikes an obstacle.
  • DE 2519112 discloses a grader construction in which a blade is attached to a moldboard with an elastic section that enables, if an obstacle is encountered, the blade to trip and then resume its original position
  • DE 3640565 discloses a clearing edge of a snow grader blade.
  • the clearing edge includes a rubber or plastic fastening element that has a fastening strip on one end and the blade on the other end, whereas the fastening element has sufficient horizontal and vertical movement, so that road irregularities does not cause the blade to jump or break
  • DE 2552058 discloses a snow plough construction in which a blade is attached to the moldboard of the plough with an elastic section that enables, if an obstacle is encountered, the blade to trip and then resume its original position.
  • DE 4204109 discloses a snow grader designed to be fixed to a vehicle or tractor.
  • a supporting frame is attached to the snow grader.
  • a flexible spring guide is fixed on the underside of the supporting frame.
  • a metal strip which is in contact with the road surface, is attached; whereby the metal strip is fixed to the underside of the grader with another band of elastic material.
  • the angle of the blade changes significantly with the up and down movement of the blade holders, since natural behaviour of the parallelogram (four bar linkage ) is absent, which results in the bouncing of the snow plough when crossing road irregularities.
  • the purpose of this invention is to offer an elastically deforming, including from elastomeric material, snow plough blade holder construction; whereas a blade equipped with this elastic blade holder allows for the irregularities of a processed surface to be followed. This purpose is achieved by a blade holder according to independent claim 1.
  • the invention's blade holder includes an elastically deforming material part, in which there are one or several gaps, as a result of which the blade holder functions in a manner similar to a four bar linkage.
  • the blade holder deforms elastically more easily due to one or several gaps in comparison with analogous gapless constructions.
  • Suitable radius of curvature notches in the elastically deformable material help in permitting the natural movement of the articulation of the elastically deforming material (elastomer) characteristic of a four bar linkage.
  • the blade holder of this invention may comprise short, adjacently located modules. By being placed next to one another, these modules allow blades of various widths to be used according to need. By using blades of various widths it is possible to vary the rigidity of the blade holders and the ability to copy the road surface. At the same time, it is also possible to attach only one short blade to a module. This makes the blade holder module universal for all snow ploughs of varying widths.
  • FIG. 1 illustrates the new principle blade holder 1 made of an elastically deforming material, which is comprised of an elastically deforming material part 2 and the attachment plate 3 for the blade placed within.
  • the elastically deforming material part 2 operates on the principle of a four bar linkage. It differs from existing blade holders with elastically deforming details in that the blade holder has one or several gaps 4, as a result of which the blade holder operates in a manner similar to a four bar linkage. In addition to this, the blade holder deforms elastically more easily due to one or several gaps, in comparison to similar gapless constructions.
  • the blade holder is comprised of four joints: the upper moving joint 5, the lower moving joint 6, the front moving joint 7 and the rear moving joint 8. The joints are connected to each other conditionally with hinges 9. The result of the newly shaped blade holder ensures the excellent kinematics of the elastically deforming parts, sufficient rigidity and at the same time endurance.
  • the blade holder 1 of the invention is made from elastically deforming material part 2 is attached to the holder 11 located along the bottom edge of the plough's moldboard 10 with attachment bolts 13 extending from the mounting plate 12 poured inside the part 2.
  • Attached to the blade's mounting plate 3 is a snow plough blade 14.
  • a sealing strip 15 extends outward from the upper edge of the elastically deforming material part 2, which prevents snow from ending up in the blade holder's gaps.
  • Figure 3A-3C illustrates the plough's blade holder in its working position and the plough's blade position on a smooth surface ( Figure 3A ), in the case of an obstacle with evenly rising edges ( Figure 3B ), and in the case of incremental obstacles ( Figure 3C ).
  • the lower joint 6) ( Figure 1 ) of part 2 made from elastically deforming material gives way according to the principle of a parallelogram and the snow plough's blade 14 is able to move backward while at the same time moving upwards, allowing the obstacle to be crossed.
  • the blade can move up and down in relation to the snow plough's moldboard 10, remaining at approximately the same angle to the surface of the ground.
  • the given blade holder permits greater upward movement of the blade in comparison with the known solutions, thereby permitting improved coping of the road surface when crossing over rounded obstacles.
  • the invented blade holder 1 may be in a single piece that is the entire width of the plough's moldboard or may be comprised of short modules. By being placed next to one another, these modules allow blades of various widths to be used according to need. By using blades of various widths it is possible to vary the rigidity of the blade holders and the ability to copy the road surface. At the same time, it is also possible to attach only one short blade to a module. This makes the blade holder module universal for all snow ploughs of varying widths.
  • the positions of attachment openings 16 ( Figure 4 ) in the blade 14 attachment plate 3 are selected in such a manner to allow attachment of all snow plough blades of standard measurements and several different nonstandard measurements.
  • the attachment plate 3 has openings 17 for the improved connectedness between the elastically deforming material (such as elastomer) part 2 and the attachment plate 3.
  • the attachment plate 3 has attachment anchors 18 to improve the connectedness between the elastomer and the attachment plate 3.
  • Suitable radius of curvature notches (19 and 20) help in permitting the natural movement of the articulation of the elastically deforming material (elastomer) characteristic of a four bar linkage.
  • a suitable radius of curvature notch 21 permits the sealing strip 15 to adjust according to the snow plough's moldboard in the case of the various working positions of the blade holder.
  • the blade attachment plate 3 may be bent (see Figures 9 to 12 ), in order to avoid its breaking out from the elastomer.
  • the blade holder may be equipped with additional anchors 22.
  • the blade holder 1 on the beam side 11 has a step 23 ( Figure 8 ) on one side.
  • FIG 11 illustrates one of the possible alternative implementations of a blade holder, where the elastically deforming material (elastomer) part 2 has a suitable radius of curvature notch 24 which ensures the greater buckling of the lower joint when crossing over a graduated obstacle.
  • Figure 12 illustrates a blade holder 2, the bottom of which has an extending part 25, which is designed for restricting the movement of the blade holder upon hitting an obstacle, blade attachment bolt 26 (see Figure 2 ) protection 27 in the case of the buckling of the elastically deforming material (elastomer) part 2.
  • the elastically deforming material (elastomer) part 2 has an elevation of 28, which restricts the buckling of the lower joint 6.

Claims (9)

  1. La porte-lame (1) pour charrue d'entretien routier pour fixer une lame (14) au versoir de la charrue (10), dans lequel la porte-lame (1) comprend une partie une pièce en matériau élastiquement déformable (2); une pièce de fixation pour la fixation de la porte-lame (1) au versoir de la charrue (10), ainsi qu'une pièce de fixation de la lame pour la fixation de la lame (14) à la porte-lame (1), la porte-lame (1) comprenant plaque de connexion (12) placée à l'intérieur de la pièce en matériau élastiquement déformable (2), et la pièce de fixation de la lame comprenant une plaque de fixation (3) pour la lame (14),
    caractérisé en ce que
    la pièce en matériau élastiquement déformable (2) comprend un ou plusieurs espaces vides (4) de sorte que la porte-lame puisse fonctionner en tant qu'une liaison à quatre barres, composée d'une articulation mobile supérieure (5), d'une articulation mobile inférieure (6), d'une articulation mobile antérieure (7), ainsi que d'une articulation mobile postérieure (8), et en ce que la pièce en matériau élastiquement déformable (2) présente des encoches (19, 20) d'un rayon de courbure approprié pour faciliter à permettre le mouvement naturel de l'articulation de la pièce en matériau élastiquement déformable (2) en tant qu'une liaison à quatre barres.
  2. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que ladite plaque de fixation (3) est de forme rectangulaire.
  3. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que la partie supérieure de la plaque de fixation (3) est coudée.
  4. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que qu'une bande d'étanchéité (15) dépasse le bord supérieur de la pièce en matériau élastiquement déformable (2).
  5. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que la porte-lame (1) est constitué de modules adjacents.
  6. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que la plaque de fixation (3) dispose des ouvertures (17) pour l'obtention d'une liaison améliorée entre la pièce en matériau élastiquement déformable (2) et la plaque de fixation (3), et en ce que la plaque de fixation (3) comprend des ancrages de fixation (18).
  7. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que la porte-lame (1) est équipé d'ancrages supplémentaires (22) pour l'obtention d'une meilleure adhérence, la pièce en matériau élastiquement déformable (2) présente une surélévation (28) pour limiter le flambage de l'articulation inférieure (6), la partie inférieure de la pièce en matériau élastiquement déformable (2) a une partie en saillie (25) pour limiter le mouvement de la porte-lame (1) en cas de collision avec un obstacle, et une protection (27) pour le boulon de fixation (26) est prévu pour les cas de flambage de la pièce en matériau élastiquement déformable (2).
  8. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que la plaque de fixation (3) et la plaque de connexion (12) sont couvertes d'un revêtement avant d'être placées dans la pièce en matériau élastiquement déformable (2).
  9. La porte-lame pour charrue d'entretien routier selon la revendication 1, caractérisé en ce que la pièce en matériau élastiquement déformable (2) dispose d'une marche (23) pour le déneigement.
EP12187848.2A 2011-10-10 2012-10-09 Support de lame pour chasse-neige Active EP2581496B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12187848T PL2581496T3 (pl) 2011-10-10 2012-10-09 Uchwyt lemiesza do pługa do utrzymywania dróg

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EEP201100057A EE05739B1 (et) 2011-10-10 2011-10-10 Teehooldusmasina saha terahoidja

Publications (3)

Publication Number Publication Date
EP2581496A2 EP2581496A2 (fr) 2013-04-17
EP2581496A3 EP2581496A3 (fr) 2015-03-11
EP2581496B1 true EP2581496B1 (fr) 2021-01-27

Family

ID=47010371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12187848.2A Active EP2581496B1 (fr) 2011-10-10 2012-10-09 Support de lame pour chasse-neige

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EP (1) EP2581496B1 (fr)
EE (1) EE05739B1 (fr)
PL (1) PL2581496T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EE201400039A (et) 2014-11-13 2016-06-15 Meiren Engineering OÜ Teehooldusmasina saha terahoidja

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519112C3 (de) 1975-04-29 1979-03-08 Gottfried Dr. 8124 St Heinrich Reissinger Anordnung einer Schürfleiste an der Pflugschar eines Straßenräumgerätes, insbesondere Schneepfluges
DE2552058A1 (de) * 1975-11-20 1977-05-26 Beilhack Maschf Martin Nachgiebige scharnierlagerung einer raeumleiste eines schneepfluges
DE3640565A1 (de) 1986-11-27 1988-06-09 Hoesch Ag Raeumleiste fuer den raeumschild eines schneepfluges
DE4204109C2 (de) 1992-02-12 1994-04-21 Beilhack Sued Vertriebs Gmbh Schneepflug
FI679U1 (fi) 1993-01-22 1993-04-23 Pertti Vauhkonen Bett foer en plog
SE507556C2 (sv) * 1997-01-09 1998-06-22 Goesta Kaellqvist Hållare för plogskär
SE523516C2 (sv) * 2002-10-03 2004-04-27 Goesta Kaellqvist Skärhållare för snöröjningsredskap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2581496A3 (fr) 2015-03-11
EE201100057A (et) 2013-06-17
EE05739B1 (et) 2015-02-16
PL2581496T3 (pl) 2021-09-13
EP2581496A2 (fr) 2013-04-17

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