EP3212850A1 - A snow removal device - Google Patents
A snow removal deviceInfo
- Publication number
- EP3212850A1 EP3212850A1 EP15757193.6A EP15757193A EP3212850A1 EP 3212850 A1 EP3212850 A1 EP 3212850A1 EP 15757193 A EP15757193 A EP 15757193A EP 3212850 A1 EP3212850 A1 EP 3212850A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- snow
- conveyor screw
- outlet
- disposed
- compression
- 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
Links
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 238000007790 scraping Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- E01H5/045—Means per se for conveying or discharging the dislodged material, e.g. rotary impellers, discharge chutes
Definitions
- the present invention relates generally to snow removal. More particularly, the invention relates to a snow removal system that can be mounted on heavy-duty vehicles, such as tractors and loaders.
- a snow compression and removal device includes a concave snow plow, a horizontal auger supported within the concave snow plow, a pump, where an input of the pump is disposed at a first end of the horizontal auger, where an opening is disposed at a second end of the horizontal auger, a compression module, where a first end of the compression module is disposed at an output of the pump, where the compression module includes a tubular casing, where the tubular casing has a snow inlet at a first end and a snow outlet at a second end, where the snow outlet has a converging or straight cross-section tubular shape, where the tubular casing is perforated with air holes, and a conveyor screw, where the conveyor screw rotates on an axis that is disposed concentric to the tubular casing, where the conveyor screw spans from the snow inlet to the snow outlet, where the conveyor screw is powered to move snow from the snow inlet to the snow outlet and compacts the snow to a
- the invention further includes at least one flexible flap, where the at least one flexible flap is disposed on a bottom surface of the concave snow plow, where the at least one flexible flap is disposed to clean a plowing surface of snow that is proximal to the plowing surface.
- a height of the pump outlet is equal to a peak- to-peak pitch length of the conveyor screw, where a width of the pump outlet is equal to an outer radius of the conveyor screw at the tubular casing inlet minus a radius of a shaft of the conveyor screw.
- the snow outlet of the tubular casing includes a cylinder shape having a sidewall opening
- the snow outlet of the tubular casing includes a snow outlet conveyor screw
- the snow outlet conveyor screw has a helical screw coil that is in a direction opposite to a direction of rotation of the conveyor screw, where the snow outlet conveyor screw helical coil has a fixed-pitch.
- a height of the sidewall opening is equal to a peak-to-peak pitch length of the conveyor screw, where a width of the sidewall opening is equal to an outer radius at the outlet of the vertical auger minus a radius of a shaft of the conveyor screw.
- the invention further includes a gutter, where the gutter is connected to the snow outlet, where the gutter is stationary or rotatable.
- the conveyor screw shaft includes a hollow shaft that is perforated with air holes, where air from the snow is exhausted through the air holes.
- the conveyor screw shaft has a diverging shaft cross-section along the snow outlet.
- the conveyor screw has a constant screw pitch or a decreasing screw pitch.
- FIGs. 1A-1C show cutaway views of the snow removal device, according to one embodiment of the invention.
- FIG. 2 shows a wedge and flexible flaps to the brush the plowing surface, according to one embodiment of the invention.
- FIG. 3 shows a top cutaway view of the rotating outlet, according to one embodiment of the invention.
- FIG. 4 shows a top cutaway view of the snow removal device, according to one embodiment of the invention.
- FIGs. 5A-5C show a side cutaway view of the impeller in the casing, where the casing has different shapes, according to one embodiment of the invention.
- FIG. 6 shows a heated snow duct for transporting snow under freezing conditions, according to one embodiment of the invention.
- FIG. 7 shows a perspective view of a snow compression and removal device, according to one embodiment of the invention.
- an invented snow removal device that includes a horizontal rotatable cylindrical conveyor screw (hereinafter referred to as conveyor screw) arranged for scraping, collecting and transporting snow from a surface.
- conveyor screw horizontal rotatable cylindrical conveyor screw
- additional measures are preferably arranged behind the conveyor screw for further improving the device in clearing of the surface, while keeping the surface intact as much as possible.
- One embodiment of the current invention combines at least three processes in one device: 1) scraping, collecting and transporting snow from a surface to the side (same function as a plough) with the conveyor screw and a wedge, preferably positioned perpendicular to the direction of movement 2) the cleaning of the surface with a wedge and a rotatable cylindrical brush, preferably parallel positioned to the screw and 3) the loading of the collected snow of processes 1) and 2) with an elevated (substantially vertical positioned) rotatable cylindrical conveyor screw, which includes a movable outlet to load the snow in bulk mass moving equipment such as trucks.
- the elevated screw of process may include a snow compressing part.
- FIG. 1A is a cross sectional view according to line AA of FIG.
- a construction driven in the forward direction over a surface includes a cylindrical rotating conveyor screw 102, a cylindrical rotating brush 104, a casing 106, where the casing 106 is capable of limiting the upper side of the flow of snow from the brush 104 and the conveyor screw 102.
- the current embodiment further includes a wedge 108 that is capable of limiting the lower side of the flow of snow from the brush 104 and the conveyor screw 102.
- actuators such as hydraulic actuators.
- all degrees of freedom of the invention may be unpowered or powered by actuators, such as hydraulic actuators.
- the snow By moving in the forward direction, the snow will encounter the conveyor screw 102 first. By the movement of the conveyor screw 102 in one direction, the snow will flow in direction 110 (see FIG. IB). The outlet of this operational mode is through the gutter 156 of FIG. 4 or directly on the side 131 of FIG. 4. Further shown in FIG. IB is an impeller 116 supported by casing 118, where the impeller 116 transfers snow through duct 120 to elevated conveyor screw 122. The reverse direction of the conveyor screw 102 will result in a direction 112 of the flow of snow with a resulting flow out of the conveyor screw 132 shown in FIG. 4.
- FIG. 1C in this operation mode the impeller 116, elevated conveyor screw 122 and the gutter 124 are superfluous.
- the remaining layer of snow will pass under the wedge 108 and flexible flaps 126 to the brush 104.
- These last remainders will be ejected by the movement of the brush 104 and guided by the upper 106 casing and wedge 108 towards the upper part of the conveyor screw 102 where these last remainders are deposited on the moving snow mass in the conveyor screw 102.
- this flow of snow is indicated by the arrows.
- An addition to the lower casing are flexible flaps 126. These flexible flaps 126 push the majority of remainders after the conveyor screw 102 forward, in order to minimize the remaining snow for the brush 108. There may be one or multiple of these flexible flaps 126 as is indicated in FIG. 2.
- FIG. IB is a cross sectional view according line CC of FIG. 1C.
- the snow in the conveyor screw 102 (suspended in a not drawn construction with bearings 128), including the snow from the brush 104 (suspended in a not drawn construction with bearings 130), is transported towards the impeller 116. But may also be transported towards the other side 112 by changing the rotation of the conveyor screw 102.
- the impeller 116 is rotating in a casing 118 that prevents further axial snow movement from the conveyor screw 102, except during the operation of with snow output 131.
- This housing may have different shapes like illustrated in FIGs. 5A-5C.
- the impeller 116 rotates preferably around the same centerline 134 as the horizontal conveyor screw 102, but may turn at the same or different speeds and in opposite direction.
- the impeller 116 presses the snow through a duct 120 in a non- rotating housing inlet 136, which is part of housing 138.
- FIG. 1C is a cross sectional view according line BB of FIG. IB.
- Housing 138 of the elevated conveyor screw having the non-rotating inlet 136, non-rotating cylindrical middle section 140 and rotating outlet 142 in degree of freedom 144.
- Inlet 136 and outlet 142 preferably have the shape of a snail-shell, like casing 118 of the impeller 116.
- the elevated conveyor screw 146 is rotating, which is suspended by bearings 130.
- the preferred distance 148 between the outer radius of the elevated conveyor screw 146 and the inner radius of the non-rotating housing 138 is preferably between 0,5 millimeter and 5 millimeter.
- the preferred width 151 of the duct 120 equals the outer radius of the elevated conveyor screw 146 casing minus the radius of the shaft 154 of the elevated conveyor screw 146.
- the preferred height 150 of the duct 120 substantially equals the pitch height of the elevated conveyor screw 146.
- the impeller 116, housing of the impeller 118, duct 120 and elevated conveyor screw 146 may be placed at the other side of the horizontal conveyor screw 102 outlet. By describing the drawn version this possibility is not excluded from the invention.
- the part of the casing 118 of the impeller 116 that prevents the axial flow of snow in the direction 110, results in an outlet for snow direction 131 may be removed.
- FIG. 2 the wedge 108 and the flexible flaps 126 are illustrated in more detail. These components have at least two functions. It pushes the snow upwards from the surface and forces the snow to remain in the conveyor screw 102, which forces a side movement 110 or 112 on the snow. The flexible flaps 126 scrape the surface, to minimize the remainders of snow and other potential debris for the brush 104.
- FIG. 3 is a cross sectional view according line DD of FIG. 1C.
- the top of the non-rotating housing inlet 136 has a height 158 to allow a desirable operation, such as the loading of the snow from the inventive device in a truck or a container on a truck.
- the outlet of the elevated conveyor screw 160 has a fixed pitch, with a scraping device 164 in a housing 142 that can rotate preferably 360 degrees in direction 144 around the centerline of the elevated conveyor screw 146.
- the direction of the pitch of conveyor screw 160 is in opposite direction of the pitch of the elevated conveyor screw 146.
- the scraping device 164 is part of a movable gutter 124 that forces a tangential movement of the snow indicated by arrows 166 at line 168 into the gutter 124.
- the distance 162 between the scraping device 164, conveyor screw 160 and the shaft 172 of the elevated conveyor screw 146 is between 0,5 and 5 millimeter, according to one embodiment of the invention.
- the gutter 124 may be steered in directions 144 and/or 164 by the operator of the heavy-duty vehicle to load the snow in, for example a truck. The length of this gutter may be varied in dependence of the application.
- Embodiments of the invention pertain to duct 124 to transport or guide snow.
- the circumference of the duct 124 can be open or closed and guides the snow from an inlet to an outlet.
- the shape of the inlet, outlet and the circumference along the length of the duct can be cylindrical, square, rectangular, triangular, elliptical, or any other shape.
- the duct can be straight, conical and or bended in a curvature.
- Embodiments of this invention enable snow transport through the duct 120 when the temperature of the duct 120 is below zero degrees Celsius and the snow has a liquid water content and enables snow transport when the temperature of the duct 120 is above zero degrees Celsius due to heating.
- FIG. 6 a rectangular duct 120 with flanges 166 is shown.
- the duct may have other shapes.
- the transport direction of the snow is shown with the arrows, however the invention also is applicable to a reversed flow.
- Embodiments of the invention have a duct with an external heating to ensure a temperature of the inner wall of the duct above zero degrees Celsius.
- an electrical heating 168 is shown in FIG. 1.
- the electrical heating power can either be supplied by direct current 170 or alternating current 172.
- the external heating can also be supplied by any other process or medium, like a burner or hydraulic oil.
- the heater and the duct can or cannot be thermally insulated 174.
- the thermal insulation in FIG. 6 is only partially shown.
- the temperature of the inner wall of the duct can be controlled but does not have to be controlled.
- the heat can be supplied partially or entirely over the length of the duct and the heat can be supplied partially or entirely over the circumference of the duct.
- FIG. 7 show a snow compression and removal device having a casing 106 formed as a concave snow plow, a cylindrical rotating conveyor screw 102 supported within the concave snow plow, an impeller 116 supported by casing 118 that operate as a pump, where an input of the pump is disposed at a first end of the horizontal auger, where an opening is disposed at a second end of the conveyor screw 102, a compression module 176, where a first end of the compression module 176 is disposed at an output of the pump, where the compression module 176 includes a tubular casing 140, where the tubular casing has a snow inlet at a first end and a snow outlet at a second end, where the snow outlet has a converging or straight cross-section tubular shape, where the tubular casing is perforated with air holes 178, and a conveyor screw 146, where the conveyor screw rotates on an axis that is disposed concentric to the tubular casing 140, where the conveyor screw screw
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Screw Conveyors (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462047952P | 2014-09-09 | 2014-09-09 | |
US201562114144P | 2015-02-10 | 2015-02-10 | |
PCT/EP2015/069237 WO2016037831A1 (en) | 2014-09-09 | 2015-08-21 | A snow removal device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3212850A1 true EP3212850A1 (en) | 2017-09-06 |
EP3212850B1 EP3212850B1 (en) | 2018-12-12 |
Family
ID=54035221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15757193.6A Active EP3212850B1 (en) | 2014-09-09 | 2015-08-21 | A snow removal device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3212850B1 (en) |
JP (1) | JP2017526836A (en) |
CA (1) | CA2931225C (en) |
DK (1) | DK3212850T3 (en) |
WO (1) | WO2016037831A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107401135A (en) * | 2016-05-20 | 2017-11-28 | 刘祖学 | Clean car in city |
CN108252257A (en) * | 2018-01-16 | 2018-07-06 | 荆门宁杰机电技术服务有限公司 | A kind of municipal administration slope deicer |
CN108575459A (en) * | 2018-06-20 | 2018-09-28 | 江苏省宜兴中等专业学校 | A kind of remove device for accumulated snow |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1562842A (en) * | 1923-07-05 | 1925-11-24 | Harry P Milne | Snow plow and loader |
US3404470A (en) * | 1965-10-20 | 1968-10-08 | Raiti James | Automotive trucks used by street and highway departments |
US4615129A (en) * | 1985-12-12 | 1986-10-07 | Jackson Patrick H | Snow-disposal unit and method |
DE20106150U1 (en) * | 2001-04-07 | 2001-07-05 | Neuner Hans | Snow blower with compressor |
-
2015
- 2015-08-21 JP JP2016540006A patent/JP2017526836A/en active Pending
- 2015-08-21 CA CA2931225A patent/CA2931225C/en active Active
- 2015-08-21 EP EP15757193.6A patent/EP3212850B1/en active Active
- 2015-08-21 WO PCT/EP2015/069237 patent/WO2016037831A1/en active Application Filing
- 2015-08-21 DK DK15757193.6T patent/DK3212850T3/en active
Also Published As
Publication number | Publication date |
---|---|
DK3212850T3 (en) | 2019-03-25 |
WO2016037831A1 (en) | 2016-03-17 |
CA2931225C (en) | 2022-01-04 |
CA2931225A1 (en) | 2016-03-17 |
JP2017526836A (en) | 2017-09-14 |
EP3212850B1 (en) | 2018-12-12 |
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