EP0361345B1 - Apparatus for clearing snow from road edges and the like - Google Patents
Apparatus for clearing snow from road edges and the like Download PDFInfo
- Publication number
- EP0361345B1 EP0361345B1 EP89117631A EP89117631A EP0361345B1 EP 0361345 B1 EP0361345 B1 EP 0361345B1 EP 89117631 A EP89117631 A EP 89117631A EP 89117631 A EP89117631 A EP 89117631A EP 0361345 B1 EP0361345 B1 EP 0361345B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- snow
- frame
- tractor
- tool
- jack
- 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.)
- Expired - Lifetime
Links
Images
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
- E01H5/08—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 driven elements
- E01H5/09—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 driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
- E01H5/098—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 driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels about horizontal or substantially horizontal axises perpendicular or substantially perpendicular to the direction of clearing
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- 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
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/003—Upkeep of road sides along the pavement, for instance cleaning devices particularly for side strips
-
- 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
- E01H5/08—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 driven elements
- E01H5/09—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 driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
- E01H5/096—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 driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels about axes parallel or substantially parallel to the direction of clearing
Definitions
- the present invention relates to an apparatus for clearing snow from road edges and the like.
- snowplows are generally used to clear snow from the roads of urban areas; said snowplows are provided, at the front, with a wedge-shaped device which pushes the snow to the sides of the road.
- Rotary snowplows are furthermore known which are provided with a milling roller which removes the snow from the road and conveys it to launch tube.
- Such known snowplows are however rather rigid in their use.
- the snow removed from the road is in fact accumulated along the road edges, forming a barrier which can obstruct access to pedestrian walkways, gates, garages and the like.
- the fact is furthermore particularly complained that the snow can laterally and upwardly cover the bins used for collecting refuse, the use whereof must instead be ensured due to obvious hygiene problems.
- the US patent No. 4.480.397 discloses a snowblower mounted on a truck so as to be raised and lowered and swivelled between an operative lateral position and an inoperative rearward position.
- the known snowblower cannot be used for removing snow from restricted areas such as between parking cars, or in front of garage entrances or from the cover of refuse containers, which are usually arranged along the road edges.
- the US patent No. 3.574.939 discloses a rotor type tool supported on a tractor by means of a mechanism permitting adjustement of the tool with respect to the tractor and to the soil.
- orientation of the tool is achieved by means of a gear casing which renders the mechanism not adapted to rough working conditions as it occurs during road clearing.
- the aim of the present invention is to solve the above problem by providing an apparatus which allows to clear snow from road edges or sides at refuse bins, pedestrian passages and the like.
- an object of the present invention is to provide a snow-clearing apparatus which is simple in concept, safely reliable in operation and versatile in use.
- the snow-clearing apparatus is generally indicated at 1 and is applied behind a vehicle 2 (figure 3) which is adapted to act as tractor and has a mechanical power take-off.
- vehicle 2 (figure 3) which is adapted to act as tractor and has a mechanical power take-off.
- the use of a vehicle with a hydraulic three-point lifter, indicated at 3 in the drawing, is conveniently provided.
- the apparatus 1 is provided with an oil tank 4 which is rigidly associated with the three arms of the lifter 3 of the tractor.
- the tank 4 has a particularly strong structure and is upwardly provided with a hydraulic unit 5 which has a pair of tandem pumps supported by the power take-off and actuated thereby through an adapted multiplier. Said unit is commercially available and is therefore not described in detail.
- An arm 6 is rigidly fixed to the rear face of the tank 4 and is inclined on a vertical plane.
- a supporting plate 8 for a telescoping beam 9 is articulated on a pivot 7 at the top of the arm 6.
- the telescoping of the beam 9 is actuated by a jack 10 which is fixed longitudinally to said beam.
- Said beam 9 can rotate angularly on its vertical plane which is transverse to the direction of advancement of the tractor 2 upon the actuation of a lifting jack 11 which is articulated to the lower end of the arm 6 at a pivot 12 and to the beam 9 at a pivot 12a.
- the beam 9 is guided, during its rotation, within a vertical slot of a guide 13 which is rigidly associated with the tank 4.
- the telescoping portion 9a of the beam 9 is connected by means of a bracket 14 to the stem 15 of the beam actuating jack 10, and a snow-clearing tool, generally indicated at 16, is articulated to said bracket.
- Said tool 16 comprises a milling roller 17, of the kind known for use in snow-clearing.
- a frame 18 supports the milling roller 17 so as to allow rotation thereof around a horizontal axis, with the frame 18 defining a protective housing for said milling roller and rearwardly supporting a hydraulic motor element 19 for actuating said roller.
- the frame 18 is upwardly provided with a duct 20 for expelling the jet of snow, and a launch tube 21 is mounted thereon and is axially rotatable so as to allow the jet of snow to be launched in the desired direction.
- the frame 18 supports a pivot 23 (figure 1) for articulation to a column 24 supporting the beam 9; the pivot 23 has a horizontal axis and is perpendicular to the axis of the milling roller 17.
- the frame 18 is rotatable about the pivot 23 by actuating a jack 25 which is pivoted to the column 24 at one end 26 and on the ledge 22 at the opposite end 27.
- the column 24 is angularly rotatable about its own vertical axis within a sleeve 28 which is supported at the free end of the telescoping portion 9a of the beam 9.
- the angular rotation of the column 24 is actuated by a jack 29 which is articulated, at one end, to a fork-like arm 30 which extends horizontally and is rigidly associable to the portion 9a of the beam 9, as will be explained hereinafter; the stem 29a of the jack 29 is instead articulated to a lever 31 which is radially rigidly associated with the column 24.
- a safety device is conveniently interposed between the beam 9 and the coupling of the tool 16; said safety device comprises a pair of plates 32, 33 which are arranged facing one another and are rigidly associated through a plurality of shear pins 34.
- the plate 32 is provided, on its opposite faces, with a tang 35 and with a pivot 36 which are mutually coaxial.
- the tang 35 engages a seat 37 which is defined frontally to the portion 9a of the beam 9 and is locked by a transverse shear pin 38; the pivot 36 crosses the plate 33 and in turn engages a sleeve 39 which is rigidly associated with said plate 33.
- the sleeve 28 of the column 24 and the supporting arm 30 of the jack 29 are rigidly associated with the plate 33.
- the snow-clearing tool 16 can work in all directions and positions, both in the direction of advancement of the tractor 2 and transversely thereto, as can be seen respectively in figure 1 and in figure 2.
- the hydraulic unit 5 By means of the hydraulic unit 5, it is in fact possible to act on the hydraulic jacks 11, 25 and 29 so as to obtain the desired working position.
- the jack 29 allows, by acting on the lever 31 which is rigidly associated with the column 24, to angularly rotate the tool 16 between a working position of the roller 17 which is perpendicular to the direction of advancement of the tractor (figure 1 corresponding to the position of tube 21 and lever 31 shown with continuous line in figure 4) and a parallel working position, as illustrated in figures 2 and 3 with tube 21 and lever 31 in the position shown with broken lines in figure 4.
- the tool 16 is raised by inclining the beam 9 by means of the jack 11.
- the jack 25 which controls the rotation of the frame 18 with respect to the column 24, it is possible to restore the horizontal position of the axis of the roller 17.
- the jet of snow can be directed exactly in the desired direction.
- shear pins 34, 38 allows the impacts suffered by the milling roller or by the frame of the tool to be dampened both in the direction of advancement and transversely thereto.
- the materials employed, as well as the shapes and dimensions, may be any according to the requirements.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Road Signs Or Road Markings (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Road Repair (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Traffic Control Systems (AREA)
- Alarm Systems (AREA)
Abstract
Description
- The present invention relates to an apparatus for clearing snow from road edges and the like.
- As is known, snowplows are generally used to clear snow from the roads of urban areas; said snowplows are provided, at the front, with a wedge-shaped device which pushes the snow to the sides of the road. Rotary snowplows are furthermore known which are provided with a milling roller which removes the snow from the road and conveys it to launch tube.
- Such known snowplows are however rather rigid in their use. The snow removed from the road is in fact accumulated along the road edges, forming a barrier which can obstruct access to pedestrian walkways, gates, garages and the like. The fact is furthermore particularly complained that the snow can laterally and upwardly cover the bins used for collecting refuse, the use whereof must instead be ensured due to obvious hygiene problems.
- In this case it is necessary to manually clear the snow with an obvious use of labor and loss of time.
- The US patent No. 4.480.397 discloses a snowblower mounted on a truck so as to be raised and lowered and swivelled between an operative lateral position and an inoperative rearward position. However the known snowblower cannot be used for removing snow from restricted areas such as between parking cars, or in front of garage entrances or from the cover of refuse containers, which are usually arranged along the road edges.
- The US patent No. 3.574.939 discloses a rotor type tool supported on a tractor by means of a mechanism permitting adjustement of the tool with respect to the tractor and to the soil. In particular orientation of the tool is achieved by means of a gear casing which renders the mechanism not adapted to rough working conditions as it occurs during road clearing.
- The aim of the present invention is to solve the above problem by providing an apparatus which allows to clear snow from road edges or sides at refuse bins, pedestrian passages and the like.
- Within this aim, an object of the present invention is to provide a snow-clearing apparatus which is simple in concept, safely reliable in operation and versatile in use.
- This aim and this object are both achieved, according to the invention, by the present apparatus for clearing snow from road edges and the like, as defined in
claim 1. - The invention will become apparent from the detailed description of a preferred embodiment of the apparatus for clearing snow from road edges and the like, illustrated only by way of non-limitative example in the accompanying drawings, wherein:
- figure 1 is a side view of the apparatus according to the invention, in the roller working position which is perpendicular to the direction of advancement;
- figure 2 is the same view of figure 1 in the roller working position which is parallel to said direction of advancement;
- figure 3 is a top view of the apparatus;
- figure 4 is a detail plan view of the coupling region between tool and beam.
- With reference to the above figures, the snow-clearing apparatus is generally indicated at 1 and is applied behind a vehicle 2 (figure 3) which is adapted to act as tractor and has a mechanical power take-off. The use of a vehicle with a hydraulic three-point lifter, indicated at 3 in the drawing, is conveniently provided.
- The
apparatus 1 is provided with anoil tank 4 which is rigidly associated with the three arms of thelifter 3 of the tractor. Thetank 4 has a particularly strong structure and is upwardly provided with ahydraulic unit 5 which has a pair of tandem pumps supported by the power take-off and actuated thereby through an adapted multiplier. Said unit is commercially available and is therefore not described in detail. - An
arm 6 is rigidly fixed to the rear face of thetank 4 and is inclined on a vertical plane. A supportingplate 8 for atelescoping beam 9 is articulated on apivot 7 at the top of thearm 6. The telescoping of thebeam 9 is actuated by ajack 10 which is fixed longitudinally to said beam. - Said
beam 9 can rotate angularly on its vertical plane which is transverse to the direction of advancement of thetractor 2 upon the actuation of a liftingjack 11 which is articulated to the lower end of thearm 6 at apivot 12 and to thebeam 9 at a pivot 12a. - The
beam 9 is guided, during its rotation, within a vertical slot of aguide 13 which is rigidly associated with thetank 4. - The
telescoping portion 9a of thebeam 9 is connected by means of abracket 14 to thestem 15 of the beam actuatingjack 10, and a snow-clearing tool, generally indicated at 16, is articulated to said bracket. - Said
tool 16 comprises amilling roller 17, of the kind known for use in snow-clearing. Aframe 18 supports themilling roller 17 so as to allow rotation thereof around a horizontal axis, with theframe 18 defining a protective housing for said milling roller and rearwardly supporting ahydraulic motor element 19 for actuating said roller. Theframe 18 is upwardly provided with aduct 20 for expelling the jet of snow, and alaunch tube 21 is mounted thereon and is axially rotatable so as to allow the jet of snow to be launched in the desired direction. - Behind the housing, at a
ledge 22, theframe 18 supports a pivot 23 (figure 1) for articulation to acolumn 24 supporting thebeam 9; thepivot 23 has a horizontal axis and is perpendicular to the axis of themilling roller 17. Theframe 18 is rotatable about thepivot 23 by actuating ajack 25 which is pivoted to thecolumn 24 at oneend 26 and on theledge 22 at theopposite end 27. - The
column 24 is angularly rotatable about its own vertical axis within asleeve 28 which is supported at the free end of thetelescoping portion 9a of thebeam 9. The angular rotation of thecolumn 24 is actuated by ajack 29 which is articulated, at one end, to a fork-like arm 30 which extends horizontally and is rigidly associable to theportion 9a of thebeam 9, as will be explained hereinafter; the stem 29a of thejack 29 is instead articulated to alever 31 which is radially rigidly associated with thecolumn 24. - A safety device is conveniently interposed between the
beam 9 and the coupling of thetool 16; said safety device comprises a pair ofplates shear pins 34. Theplate 32 is provided, on its opposite faces, with atang 35 and with apivot 36 which are mutually coaxial. Thetang 35 engages aseat 37 which is defined frontally to theportion 9a of thebeam 9 and is locked by a transverse shear pin 38; thepivot 36 crosses theplate 33 and in turn engages asleeve 39 which is rigidly associated with saidplate 33. - The
sleeve 28 of thecolumn 24 and the supportingarm 30 of thejack 29 are rigidly associated with theplate 33. - The operation of the apparatus is easily understandable from the above description. The snow-
clearing tool 16 can work in all directions and positions, both in the direction of advancement of thetractor 2 and transversely thereto, as can be seen respectively in figure 1 and in figure 2. - By means of the
hydraulic unit 5, it is in fact possible to act on thehydraulic jacks jack 29 allows, by acting on thelever 31 which is rigidly associated with thecolumn 24, to angularly rotate thetool 16 between a working position of theroller 17 which is perpendicular to the direction of advancement of the tractor (figure 1 corresponding to the position oftube 21 andlever 31 shown with continuous line in figure 4) and a parallel working position, as illustrated in figures 2 and 3 withtube 21 and lever 31 in the position shown with broken lines in figure 4. - When the
roller 17 is in a position which is perpendicular to the direction of advancement (figure 1), the advancement of thetool 16 is provided by the advancement of the tractor. When theroller 17 is instead in a position which is parallel to the advancement direction (figure 2), the advancement of thetool 16 is controlled by the actuation of thejack 10, which telescopes thebeam 9 outward. - If it is necessary to clean the snow at a level higher than the road level, for example to clean a bin, the
tool 16 is raised by inclining thebeam 9 by means of thejack 11. By subsequently actuating thejack 25, which controls the rotation of theframe 18 with respect to thecolumn 24, it is possible to restore the horizontal position of the axis of theroller 17. - To summarize, with the apparatus according to the invention it is possible to intervene in all the situations requiring the clearing of snow from the road sides of urban areas.
- Since the tool is provided with an axially
rotatable launch tube 21, the jet of snow can be directed exactly in the desired direction. - It should be furthermore noted that the presence of the
shear pins 34, 38 allows the impacts suffered by the milling roller or by the frame of the tool to be dampened both in the direction of advancement and transversely thereto. - In the practical embodiment of the invention, the materials employed, as well as the shapes and dimensions, may be any according to the requirements.
- Where technical features mentioned in any claim are followed by reference signs, those reference signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly such reference signs do not have any limiting effect on the scope of each element identified by way of example by such reference signs.
Claims (3)
- An apparatus for cleaning snow from road edge and the like comprising a beam (9) articulated to a tractor (2) and having one end (9a) protruding laterally therefrom wherein said beam can be lifted and lowered on a plane which is transverse to the direction of advancement of said tractor, and a tool bearing frame (18) supported at said protruding end of said beam (9) for rotation about a vertical axis characterized in that said tool is a snow-clearing tool (16) of the kind composed of a milling roller (17) and of a snow-launching tube (21) and said frame (18) is supported by a column (24) which is pivotally supported in a vertical bush (28) rigidly associated with said protruding end of said beam (9), a jack (29) being provided which acts between said beam (9) and said bush (28) to orientate said frame between a working position in which said roller (17) is parallel to said advancement direction and a working position in which said roller (17) is perpendicular to said advancement direction.
- An apparatus according to claim 1 characterized in that said beam (9) is articulated to said tractor (2) to rotate in a vertical plane and can be lifted and lowered by means of a lifting jack (11) and in that the frame (18) of said milling roller (17) is articulated to said column (24) so as to rotate in a vertical plane, a jack (25) being provided which acts between said frame (18) and said column (24) to orientate said frame (18).
- An apparatus according to claim 1, characterized in that said beam (9) is provided with a portion (9a) which can telescope outward by means of a jack (10) which is fixed longitudinally to said beam and supports said tool (16) at its end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89117631T ATE85824T1 (en) | 1988-09-28 | 1989-09-23 | DEVICE FOR CLEARING SNOW FROM ROADSIDES AND THE LIKE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8803605A IT1224936B (en) | 1988-09-28 | 1988-09-28 | EQUIPMENT FOR THE CLEARING OF THE SNOW FROM ROAD AND SIMILAR river banks |
IT360588 | 1988-09-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0361345A2 EP0361345A2 (en) | 1990-04-04 |
EP0361345A3 EP0361345A3 (en) | 1990-11-22 |
EP0361345B1 true EP0361345B1 (en) | 1993-02-17 |
Family
ID=11110528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89117631A Expired - Lifetime EP0361345B1 (en) | 1988-09-28 | 1989-09-23 | Apparatus for clearing snow from road edges and the like |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0361345B1 (en) |
AT (1) | ATE85824T1 (en) |
DE (1) | DE68904943T2 (en) |
IT (1) | IT1224936B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH332412A (en) * | 1954-04-23 | 1958-09-15 | Schmidt Alfred Ing Fa | Snow removal device |
US3574989A (en) * | 1967-06-12 | 1971-04-13 | Louis Rousseau | Rotor-type grinder |
DE3031566A1 (en) * | 1980-08-21 | 1982-04-01 | Hans 4100 Duisburg Schliesing | Road verge, bank or ditch maintenance machine - has tool swivelling at same time as arm, and moving opposite way to arm |
CA1189882A (en) * | 1983-03-04 | 1985-07-02 | Rene Vachon | Snowblower truck assembly and lateral swivelling snowblower equipment therefor |
-
1988
- 1988-09-28 IT IT8803605A patent/IT1224936B/en active
-
1989
- 1989-09-23 DE DE8989117631T patent/DE68904943T2/en not_active Expired - Lifetime
- 1989-09-23 AT AT89117631T patent/ATE85824T1/en not_active IP Right Cessation
- 1989-09-23 EP EP89117631A patent/EP0361345B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE68904943D1 (en) | 1993-03-25 |
EP0361345A3 (en) | 1990-11-22 |
IT8803605A0 (en) | 1988-09-28 |
IT1224936B (en) | 1990-10-29 |
DE68904943T2 (en) | 1993-06-03 |
EP0361345A2 (en) | 1990-04-04 |
ATE85824T1 (en) | 1993-03-15 |
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