EP2762641A2 - V-form snow plough - Google Patents

V-form snow plough Download PDF

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Publication number
EP2762641A2
EP2762641A2 EP14000303.9A EP14000303A EP2762641A2 EP 2762641 A2 EP2762641 A2 EP 2762641A2 EP 14000303 A EP14000303 A EP 14000303A EP 2762641 A2 EP2762641 A2 EP 2762641A2
Authority
EP
European Patent Office
Prior art keywords
plough
transversal bar
upper fork
hinged
hole
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.)
Granted
Application number
EP14000303.9A
Other languages
German (de)
French (fr)
Other versions
EP2762641B1 (en
EP2762641A3 (en
Inventor
Simon Debeljak
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.)
Riko Ekos d o o
Original Assignee
Riko Ekos d o o
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 Riko Ekos d o o filed Critical Riko Ekos d o o
Priority to SI201430388T priority Critical patent/SI2762641T1/en
Publication of EP2762641A2 publication Critical patent/EP2762641A2/en
Publication of EP2762641A3 publication Critical patent/EP2762641A3/en
Application granted granted Critical
Publication of EP2762641B1 publication Critical patent/EP2762641B1/en
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
    • E01H5/063—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 snow-plough blades tiltable for shock-absorbing purposes

Definitions

  • the invention relates to a snow plough, particularly to a V-form snow plough.
  • a snow plough is a device designed to be mounted onto a vehicle and used to clear snow and ice from external surfaces, particularly transport surfaces.
  • Single-blade snow ploughs are known from prior art. They are characterized in that they can only shove snow to one or the other side of the plough. Prior art also knows V-form snow ploughs that have an advantage over single-blade snow ploughs, namely they have a possibility of four configurations of blades. A plough of this type is disclosed in patent application EP 2 522 779 A1 .
  • the plough In a configuration with the left blade oriented forward and the right blade oriented backward, the plough shoves the snow to the right side of the road; in a configuration with the left blade oriented backward and the right blade oriented forward, the plough shoves the snow to the left side of the road; in a configuration with both blades oriented backward, the plough shoves the snow to both sides of the road; and in a configuration with both blades oriented forward, the plough gathers and thrusts the snow in front of itself.
  • a road is even only in an ideal case. In reality, a road curves upwards or downwards or curves around a longitudinal axis. To provide for well-cleared roads, a plough must constantly adapt to the road surface. Adaptation of single-blade ploughs to the road surface with a lateral inclination of the plough around a central axis in driving direction is solved in several known ways.
  • One of the ways is fastening of a support frame of the blades to a board provided with circular holes, through which fastening screws are arranged. In this way, the support frame of the blades can glide circularly with respect to the board.
  • Another known way of adaptation of the plough is elastic mounting of the front part of the plough.
  • the technical problem is how to provide a V-form snow plough that would adapt to the road surface, i. e. to a bend of the road surface upwards or downwards or to a turn of the road surface around a longitudinal axis, which would contribute to a well-cleared road.
  • the elastic element provides for a swivelling movement of the first upper fork relative to the second upper fork.
  • the second hydraulic cylinder is provided to lift the plough blades to an inactive position and to drop the blades to the road surface when in an active position. While the road is ploughed, the second hydraulic cylinder is released in order to assure that the lower part of the plough is constantly in contact with the road.
  • a ratio of arms of the first upper fork and the second upper fork is selected within the range from 1:1 to 3:2.
  • the second upper fork is provided with a through-hole through a second transversal bar of the second upper fork in longitudinal direction of the transversal bar.
  • the first upper fork is formed of two mirror-symmetrical arms that are detachably fixed to the first transversal bar, wherein the first transversal bar is arranged through said through-hole of the second transversal bar.
  • the upper fork can also be formed the other way round, namely the second transversal bar of the second upper fork can be arranged through the hole in the first bar of the first upper fork.
  • Spaces around the first transversal bar which is arranged in the hole of the second transversal bar are filled with oblong elastic elements.
  • the shape of the cross-section of the elastic elements is selected from a group comprising a circle and a right-angled triangle.
  • the elastic elements are made from polyurethane.
  • V-form snow plough over known ploughs resides in the fact that, when in the active position, it constantly adapts to the bends of the road upward or downward, to the curves of the road around the longitudinal axis, and to the vehicle.
  • the lower edge of the plough blades is in a constant contact with the road, which contributes to a well-cleared road surface.
  • a V-form snow plough 1 comprising:
  • the elastic element provides for a swivelling movement of the first upper fork 9 relative to the second upper fork 10.
  • the second upper fork 10 is provided with a through-hole through a second transversal bar 13 of the second upper fork in longitudinal direction of the transversal bar.
  • the first upper fork 9 comprises two mirror-symmetrical arms 14 and a first transversal bar 15, wherein said arms 14 are detachably fixed to the first transversal bar 15, wherein the first transversal bar 15 is arranged through said through-hole of the second transversal bar 13.
  • the through-hole through the second transversal bar 13 of the second upper fork is formed with a square cross-section.
  • the first transversal bar 15 of the first upper fork is formed with a square cross-section, wherein the diagonal of the square of the first transversal bar 15 is smaller than the sides of said square hole of the second transversal bar 13 and the first transversal bar 9 is arranged within the hole of the second transversal bar 13 at an angle of substantially 45°.
  • the through-hole through the second transversal bar of the second upper fork is formed with a hexagonal cross-section.
  • the first transversal bar of the first upper fork is formed substantially with a triangular cross-section, wherein the first transversal bar and the hole of the second transversal bar are dimensioned such that the second transversal bar in the hole can receive the first transversal bar.
  • the upper fork can also be formed the other way round, namely the second transversal bar of the second upper fork can be arranged through the hole in the first bar of the first upper fork.
  • the spaces around the first transversal bar which is arranged in the hole of the second transversal bar are filled with oblong elastic elements 11.
  • the shape of the cross-section of the elastic elements is selected from a group comprising a circle and a right-angled triangle.
  • the elastic elements are made of polyurethane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

A V-form snow plough of the invention solves the problem of adaptation of the plough to the road surface, i. e. to a bend of the road surface upwards or downwards or to a turn of the road surface around a longitudinal axis. The solution to the technical problem of the invention resides in the plough comprising a support frame of plough blades with two hydraulic cylinders, a guide board for swivelling guiding of the support frame, a mounting board for mounting the plough onto a vehicle, and a crank mechanism connecting the guide board and the mounting board, and comprising a lower fork, a first upper fork and a second upper fork, wherein at least one elastic element is arranged between the first upper fork and the second upper fork and allows the support frame with the blades in an active position to adapt to the road surface in all directions.

Description

    Technical Field
  • The invention relates to a snow plough, particularly to a V-form snow plough.
    • Prior Art
  • A snow plough is a device designed to be mounted onto a vehicle and used to clear snow and ice from external surfaces, particularly transport surfaces.
  • Single-blade snow ploughs are known from prior art. They are characterized in that they can only shove snow to one or the other side of the plough. Prior art also knows V-form snow ploughs that have an advantage over single-blade snow ploughs, namely they have a possibility of four configurations of blades. A plough of this type is disclosed in patent application EP 2 522 779 A1 . In a configuration with the left blade oriented forward and the right blade oriented backward, the plough shoves the snow to the right side of the road; in a configuration with the left blade oriented backward and the right blade oriented forward, the plough shoves the snow to the left side of the road; in a configuration with both blades oriented backward, the plough shoves the snow to both sides of the road; and in a configuration with both blades oriented forward, the plough gathers and thrusts the snow in front of itself.
  • A road is even only in an ideal case. In reality, a road curves upwards or downwards or curves around a longitudinal axis. To provide for well-cleared roads, a plough must constantly adapt to the road surface. Adaptation of single-blade ploughs to the road surface with a lateral inclination of the plough around a central axis in driving direction is solved in several known ways. One of the ways is fastening of a support frame of the blades to a board provided with circular holes, through which fastening screws are arranged. In this way, the support frame of the blades can glide circularly with respect to the board. Another known way of adaptation of the plough is elastic mounting of the front part of the plough.
  • The above-mentioned known solutions to the adaptation of the plough to the road surface are only applicable in a flat configuration of the plough, in which, when the road bends, the front end part of the plough blade follows the bend of the road surface and swivels the entire plough blade.
  • These solutions are not applicable in the V-form configuration of a plough as the tip of the plough is in the central longitudinal axis of the plough. When the road bends upwards, the tip of the plough hits the road surface. Prior art knows only a few solutions to the vertical adjustment of the plough relative to the vehicle, wherein a plough height is adjusted with respect to various deflections of vehicles, onto which a plough is mounted.
    • Technical Problem
  • The technical problem is how to provide a V-form snow plough that would adapt to the road surface, i. e. to a bend of the road surface upwards or downwards or to a turn of the road surface around a longitudinal axis, which would contribute to a well-cleared road.
    • Solution to the Technical Problem
  • The technical problem is solved by a V-form snow plough comprising:
    • left and right blade of a plough,
    • support frame of plough blades, wherein the left and right plough blades are hinged with the front end of the support frame around a vertical axis,
    • two first hydraulic cylinders, wherein the first hydraulic cylinders are hinged at one end with the support frame and hinged at the other end one with the left and the other with the right blade of the plough,
    • guide board with a plurality of through-holes formed in the shape of sections of concentric circles, wherein the support frame of the plough blades is fastened to the guide board by screws arranged through said through-holes in a way that the support frame of the plough blades can glidingly swivel relative to the guide board,
    • mounting board for mounting the snow plough to a vehicle,
    • lower fork that is hinged at one end with the lower part of the mounting board and hinged at the other end with the lower end of the guide board,
    • first upper fork hinged with one end with the upper end of the mounting board,
    • second upper fork hinged at one end with the upper end of the guide board and hinged at the other end with the first upper fork, wherein at least one elastic element is arranged between the first upper fork and the second upper fork, and
    • second hydraulic cylinder hinged at one end with the lower part of the mounting board and hinged at the other end with a transversal bar of the second upper fork.
  • The elastic element provides for a swivelling movement of the first upper fork relative to the second upper fork.
  • The second hydraulic cylinder is provided to lift the plough blades to an inactive position and to drop the blades to the road surface when in an active position. While the road is ploughed, the second hydraulic cylinder is released in order to assure that the lower part of the plough is constantly in contact with the road.
  • A ratio of arms of the first upper fork and the second upper fork is selected within the range from 1:1 to 3:2.
  • The second upper fork is provided with a through-hole through a second transversal bar of the second upper fork in longitudinal direction of the transversal bar. The first upper fork is formed of two mirror-symmetrical arms that are detachably fixed to the first transversal bar, wherein the first transversal bar is arranged through said through-hole of the second transversal bar.
  • Without circumventing the essence of the invention, the upper fork can also be formed the other way round, namely the second transversal bar of the second upper fork can be arranged through the hole in the first bar of the first upper fork.
  • Spaces around the first transversal bar which is arranged in the hole of the second transversal bar are filled with oblong elastic elements. The shape of the cross-section of the elastic elements is selected from a group comprising a circle and a right-angled triangle. The elastic elements are made from polyurethane.
  • The advantage of the V-form snow plough over known ploughs resides in the fact that, when in the active position, it constantly adapts to the bends of the road upward or downward, to the curves of the road around the longitudinal axis, and to the vehicle. The lower edge of the plough blades is in a constant contact with the road, which contributes to a well-cleared road surface.
    • Figure 1: V-form snow plough
    • Figure 2: Crank mechanism of the V-form snow plough in cross-section
    • Figure 3: Crank mechanism of the V-form snow plough in 3D view
    • Figure 4: Structure of the first and second upper forks
    • Figure 5: Position of plough blades at a bend of the road upward and downward
  • The invention will be described in the continuation in more detail by way of embodiments.
  • A V-form snow plough 1 comprising:
    • left 2a and right 2b blade of a plough,
    • support frame 3 of plough blades, wherein the left 2a and right 2b plough blades are hinged with the front end of the support frame 3 around a vertical axis,
    • two first hydraulic cylinders 4a, 4b, wherein the first hydraulic cylinders are hinged at one end with the support frame 3 and hinged at the other end one with the left 2a and the other with the right 2b blade of the plough,
    • guide board 5 with a plurality of through-holes 6 formed in the shape of sections of concentric circles, wherein the support frame 3 of the plough blades is fastened to the guide board 5 by screws arranged through said through-holes in a way that the support frame 3 of the plough blades can glidingly swivel relative to the guide board 5,
    • mounting board 7 for mounting the snow plough 1 to a vehicle,
    • lower fork 8 that is hinged at one end with the lower part of the mounting board 7 and hinged at the other end with the lower end of the guide board 5,
    • first upper fork 9 hinged at one end with the upper end of the mounting board 7,
    • second upper fork 10 hinged at one end with the upper end of the guide board 5 and hinged at the other end with the first upper fork 9, wherein at least one elastic element 11 is arranged between the first upper fork 9 and the second upper fork 10, and
    • second hydraulic cylinder 12 hinged with one end with the lower part of the mounting board 7 and hinged with another end with a transversal bar of the second upper fork 10.
  • The elastic element provides for a swivelling movement of the first upper fork 9 relative to the second upper fork 10.
  • The second upper fork 10 is provided with a through-hole through a second transversal bar 13 of the second upper fork in longitudinal direction of the transversal bar. The first upper fork 9 comprises two mirror-symmetrical arms 14 and a first transversal bar 15, wherein said arms 14 are detachably fixed to the first transversal bar 15, wherein the first transversal bar 15 is arranged through said through-hole of the second transversal bar 13.
  • In one embodiment, the through-hole through the second transversal bar 13 of the second upper fork is formed with a square cross-section. The first transversal bar 15 of the first upper fork is formed with a square cross-section, wherein the diagonal of the square of the first transversal bar 15 is smaller than the sides of said square hole of the second transversal bar 13 and the first transversal bar 9 is arranged within the hole of the second transversal bar 13 at an angle of substantially 45°.
  • In another embodiment, the through-hole through the second transversal bar of the second upper fork is formed with a hexagonal cross-section. The first transversal bar of the first upper fork is formed substantially with a triangular cross-section, wherein the first transversal bar and the hole of the second transversal bar are dimensioned such that the second transversal bar in the hole can receive the first transversal bar.
  • Without circumventing the essence of the invention, the upper fork can also be formed the other way round, namely the second transversal bar of the second upper fork can be arranged through the hole in the first bar of the first upper fork.
  • The spaces around the first transversal bar which is arranged in the hole of the second transversal bar are filled with oblong elastic elements 11. The shape of the cross-section of the elastic elements is selected from a group comprising a circle and a right-angled triangle. The elastic elements are made of polyurethane.

Claims (9)

  1. A V-form snow plough (1) comprising:
    - left (2a) and right (2b) blade of a plough,
    - support frame (3) of plough blades, wherein the left (2a) and right (2b) plough blades are hinged with the front end of the support frame (3) around a vertical axis,
    - two first hydraulic cylinders (4a, 4b), wherein the first hydraulic cylinders are hinged at one end with the support frame (3) and hinged at the other end one with the left (2a) and the other with the right (2b) blade of the plough,
    - guide board (5) with a plurality of through-holes (6) formed in the shape of sections of concentric circles, wherein the support frame (3) of the plough blades is fastened to the guide board (5) by screws arranged through said through-holes in a way that the support frame (3) of the plough blades can glidingly swivel relative to the guide board (5),
    - mounting board (7) for mounting the snow plough (1) to a vehicle,
    - lower fork (8) that is hinged at one end with the lower part of the mounting board (7) and hinged at the other end with the lower end of the guide board (5),
    characterized in that it further comprises:
    - first upper fork (9) hinged at one end with the upper end of the mounting board (7), and
    - second upper fork (10) hinged at one end with the upper end of the guide board (5) and hinged at the other end with the first upper fork (9), wherein at least one elastic element (11) is arranged between the first upper fork (9) and the second upper fork (10).
  2. V-form snow plough (1) according to claim 1 characterized in that it further comprises a second hydraulic cylinder (12) hinged at one end with the lower part of the mounting board (7) and hinged at other end with a transversal bar of the second upper fork (10).
  3. V-form snow plough (1) according to claim 1 or 2 characterized in that the second upper fork (10) is provided with a through-hole through a second transversal bar (13) of the second upper fork in longitudinal direction of the transversal bar.
  4. V-form snow plough (1) according to claim 3 characterized in that the first upper fork (9) comprises two mirror-symmetrical arms (14) and a first transversal bar (15), wherein said arms (14) are detachably fixed to the first transversal bar (15), wherein the first transversal bar (15) is arranged through said through-hole of the second transversal bar (13).
  5. V-form snow plough (1) according to claim 4 characterized in that the through-hole through the second transversal bar (13) of the second upper fork and the first transversal bar (15) of the first upper fork are formed with a square cross-section, wherein the diagonal of the square of the first transversal bar (15) is smaller than the sides of said square hole of the second transversal bar (13) and the first transversal bar (9) is arranged within the hole of the second transversal bar (13) at an angle of substantially 45°.
  6. V-form snow plough (1) according to claim 4 characterized in that the through-hole through the second transversal bar (13) of the second upper fork is formed with a hexagonal cross-section and the first transversal bar (15) of the first upper fork is formed substantially with a triangular cross-section, wherein the first transversal bar and the hole of the second transversal bar are dimensioned such that the second transversal bar (13) in the hole can receive the first transversal bar (15).
  7. V-form snow plough (1) according to claim 5 or 6 characterized in that the spaces around the first transversal bar which is arranged in the hole of the second transversal bar are filled with oblong elastic elements (11).
  8. V-form snow plough (1) according to claim 7 characterized in that the shape of the cross-section of the elastic elements (11) is selected from a group comprising a circle and a right-angled triangle.
  9. V-form snow plough (1) according to claim 7 or 8 characterized in that the elastic elements (11) are made of polyurethane.
EP14000303.9A 2013-02-01 2014-01-28 V-form snow plough Active EP2762641B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201430388T SI2762641T1 (en) 2013-02-01 2014-01-28 V-form snow plough

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SI201300024A SI24290A (en) 2013-02-01 2013-02-01 Pointed snowplow

Publications (3)

Publication Number Publication Date
EP2762641A2 true EP2762641A2 (en) 2014-08-06
EP2762641A3 EP2762641A3 (en) 2016-04-20
EP2762641B1 EP2762641B1 (en) 2017-07-12

Family

ID=50030041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14000303.9A Active EP2762641B1 (en) 2013-02-01 2014-01-28 V-form snow plough

Country Status (2)

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EP (1) EP2762641B1 (en)
SI (2) SI24290A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188309A (en) * 2019-08-16 2020-05-22 中国铁路呼和浩特局集团有限公司科研所 Furrow plough type snow removing device for track

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2522779A1 (en) 2011-05-10 2012-11-14 Giletta S.p.A. Improved snowplow for plowing snow

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO153864C (en) * 1984-01-19 1986-06-11 Stiansen & Oeya A S DEVICE FOR FRONT MOUNTED SNOW CARD PLOGRAMS.
US6134813A (en) * 1998-12-18 2000-10-24 The Louis Berkman Company Plastic moldboard plow
PL216182B1 (en) * 2011-07-04 2014-03-31 Samasz Społka Z Ograniczoną Odpowiedzialnością Suspension system for scraping plow

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2522779A1 (en) 2011-05-10 2012-11-14 Giletta S.p.A. Improved snowplow for plowing snow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188309A (en) * 2019-08-16 2020-05-22 中国铁路呼和浩特局集团有限公司科研所 Furrow plough type snow removing device for track

Also Published As

Publication number Publication date
EP2762641B1 (en) 2017-07-12
SI24290A (en) 2014-08-29
SI2762641T1 (en) 2017-10-30
EP2762641A3 (en) 2016-04-20

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