WO2023032213A1 - 除雪機のオーガ装置 - Google Patents

除雪機のオーガ装置 Download PDF

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Publication number
WO2023032213A1
WO2023032213A1 PCT/JP2021/032701 JP2021032701W WO2023032213A1 WO 2023032213 A1 WO2023032213 A1 WO 2023032213A1 JP 2021032701 W JP2021032701 W JP 2021032701W WO 2023032213 A1 WO2023032213 A1 WO 2023032213A1
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WO
WIPO (PCT)
Prior art keywords
flat plate
plate portion
auger
shaft
peripheral edge
Prior art date
Application number
PCT/JP2021/032701
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
篤 諸井
太一 久保田
Original Assignee
本田技研工業株式会社
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 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to PCT/JP2021/032701 priority Critical patent/WO2023032213A1/ja
Priority to JP2023544988A priority patent/JPWO2023032213A1/ja
Priority to DE112021008215.9T priority patent/DE112021008215T5/de
Publication of WO2023032213A1 publication Critical patent/WO2023032213A1/ja

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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
    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to an auger device for a snow remover.
  • snow blowers are equipped with an auger device for crushing and collecting the snow in front of them.
  • Patent Document 1 discloses an auger shaft that extends horizontally across an auger housing, a plurality of auger claws that are attached to the auger shaft to break up and collect snow, and a side wall of the auger housing that is attached to both ends of the auger shaft.
  • a snow blower is disclosed with side discs that cut into the snow in the vicinity and act as protectors for the auger claws.
  • the plate thickness of the side discs In order to increase the ability of the side discs to bite into the snow surface and efficiently crush the snow, it is preferable to make the plate thickness of the side discs as thin as possible. However, if the plate thickness of the side disc is reduced, the rigidity of the side disc may be lowered. Thus, there is a trade-off relationship between the biting ability of the side discs into the snow surface and the rigidity of the side discs, and it has been difficult to achieve both.
  • an object of the present invention is to provide an auger device that can improve the biting ability of the side discs into the snow surface while ensuring the rigidity of the side discs.
  • an auger device (7) for a snow remover (1) comprising an auger housing (31) and an auger housing (31) rotatably about an axis (X) extending in a predetermined direction.
  • annular outer flat plate portion (92) having a small diameter
  • annular inner flat plate portion (93) disposed inside the outer flat plate portion in the predetermined direction and having an outer diameter smaller than the outer flat plate portion
  • An annular outer connecting portion (95) connecting the outer peripheral edge portion and the outer flat plate portion, and an annular inner connecting portion (96) connecting the outer flat plate portion and the inner flat plate portion are provided.
  • the outer connecting portion and the outer flat plate portion form a first-stage protrusion with respect to the outer peripheral edge portion
  • the inner connecting portion and the inner flat plate portion form a second-step protrusion with respect to the outer flat plate portion.
  • the second-stage protrusion functions to reinforce the first-stage protrusion, and the rigidity of the entire side discs is improved. Therefore, the plate thickness of each side disk can be reduced while ensuring the rigidity of each side disk. As a result, the ability of each side disk to bite into the snow surface is improved, and the snow can be efficiently crushed by each side disk. Further, by reducing the plate thickness of each side disk, each side disk can be made lighter, and the material for forming each side disk can be saved.
  • the outer connecting portion and the inner connecting portion may be inclined radially inward toward the inner side in the predetermined direction.
  • the outer connection portion and the inner connection portion are provided parallel to the predetermined direction (that is, the outer connection portion and the inner connection portion are provided perpendicular to the outer flat plate portion and the inner flat plate portion)
  • the total area of the outer plate portion and the inner plate portion, which are flat and have relatively low rigidity, can be reduced compared to the case where the outer plate portion and the inner plate portion are flat. Therefore, the overall rigidity of each side disk can be further improved.
  • snow can be smoothly transported inward in a predetermined direction by the outer connection portion and the inner connection portion, compared to the case where the outer connection portion and the inner connection portion are provided parallel to the predetermined direction.
  • the interval in the predetermined direction between the outer peripheral edge portion and the outer flat plate portion may be narrower than the interval in the predetermined direction between the outer flat plate portion and the inner flat plate portion.
  • the outer connection part Since the outer connection part is located radially outside of the inner connection part, it comes into contact with the snow surface before the inner connection part. According to the above-described aspect, by making the thickness of the outer connection portion, which comes into contact with the snow surface first, thinner than the thickness of the inner connection portion, it is possible to further improve the ability of the side discs to bite into the snow surface. can.
  • the auger device further includes a pair of connection members (36) that connect the auger shaft and the pair of side discs, and each of the connection members extends in the radial direction of the auger shaft in a side view.
  • a plurality of connecting shafts (106) extending, wherein surface areas of said outer plate portion and said inner plate portion are larger than surface areas of said outer peripheral edge portion, said outer connecting portion and said inner connecting portion; The radially outer end portion may be joined to the outer flat plate portion or the inner flat plate portion.
  • each connecting shaft and each side disk is reduced compared to the case where the radially outer end of each connecting shaft is joined to the outer peripheral edge, the outer connecting portion, or the inner connecting portion. can be widened. Therefore, each side disk can be stably supported by each connection member.
  • each connecting shaft radially inward of the outer peripheral edge of each side disk, it is possible to prevent the outer peripheral edge of each side disk from biting into the snow surface. is less likely to interfere.
  • each connecting shaft may be joined to the outer flat plate portion.
  • each side disk can be stably supported by each connecting member, compared to the case where the radially outer end of each connecting shaft is joined to the inner flat plate portion. Therefore, when force is applied to each side disk from the radially outer side, each side disk is less likely to deform.
  • the radial width (W1) of the outer flat plate portion may be wider than the radial width (W2) of the inner flat plate portion.
  • each side disk can be more stably supported by each connecting member.
  • the auger housing includes a pair of side plates (42) that rotatably support the auger shaft, each of the side plates being a first flat plate portion defining the outermost surface in the predetermined direction. (46), a second flat plate portion (47) arranged inside the first flat plate portion in the predetermined direction, and a third flat plate portion arranged inside the second flat plate portion in the predetermined direction.
  • each side disk is arranged inside each side plate in the predetermined direction, and includes the outer peripheral edge portion of each side disk, the outer flat plate portion, the inner flat plate portion, the outer connection portion, and The inner connection portions face the first flat plate portion, the second flat plate portion, the third flat plate portion, the first connection portion, and the second connection portion of the side plates, respectively, with a space therebetween. It's okay to be there.
  • the first connecting portion and the second flat plate portion form the first-stage projecting portion with respect to the first flat plate portion
  • the second connecting portion and the third flat plate portion form the second flat plate portion with respect to the second flat plate portion.
  • Form a second step protrusion As a result, the second-stage protrusion functions to reinforce the first-stage protrusion, and the rigidity of the entire side plates is improved.
  • the integration of the design of each side disk and each side plate can be enhanced, and the appearance of the auger device can be improved.
  • each side disk is arranged on the same plane as the second flat plate portion of each side plate, and the outer flat plate portion of each side disk is located on the same plane as the second flat plate portion of each side plate. It may be arranged on the same plane as the third flat plate portion.
  • each side disk and each side plate can be further enhanced, and the appearance of the auger device can be further improved.
  • FIG. 1 is a side view showing a snow remover according to one embodiment of the present invention
  • FIG. 1 is a front view showing an auger device according to one embodiment of the present invention
  • FIG. 1 is a side view showing an auger device according to one embodiment of the present invention
  • FIG. 1 is a cross-sectional view showing a side disk and its peripheral portion according to an embodiment of the present invention
  • FIG. 1 is a perspective view showing a side disc according to one embodiment of the present invention
  • FIG. 1 is a side view showing a side disk and its peripheral portion according to an embodiment of the present invention
  • FIG. 1 is a front view showing a side disk and its peripheral portion according to an embodiment of the present invention
  • FIG. FIG. 4 is a perspective view showing a side disk and its peripheral portion according to another embodiment of the present invention
  • a snow blower 1 according to an embodiment of the present invention will be described below with reference to the drawings.
  • terms indicating directions such as front and rear, left and right, and up and down are used based on the direction viewed from the operator who operates the snow remover 1.
  • An arrow Fr appropriately attached to each figure indicates the front of the snow thrower 1
  • an arrow I appropriately attached to each figure indicates the inside of the snow blower 1 in the left-right direction
  • an arrow O appropriately attached to each figure indicates the snow blower. 1 in the left-right direction.
  • the snow blower 1 is a walk-behind snow blower that removes snow while a worker walks behind it.
  • the snowplow 1 includes a body 3 constituting its skeleton, a pair of traveling devices 4 provided on both left and right sides of the body 3 (only the traveling device 4 provided on the left side of the body 3 is shown in FIG. 1), and a body 3, a blower device 6 provided in front of the body 3, and an auger device 7 provided in front of the blower device 6.
  • engine 10 An internal combustion engine (hereinafter referred to as "engine 10") is supported on the upper part of the fuselage 3.
  • the engine 10 has a crankshaft 11 (only the front end portion thereof is shown in FIG. 1) rotatable around an axis extending in the longitudinal direction.
  • the crankshaft 11 may be rotatable around an axis extending in the vertical direction.
  • a transmission shaft 12 rotatable around an axis extending in the front-rear direction is provided in front of the lower part of the body 3 .
  • the transmission shaft 12 is connected to the crankshaft 11 via a speed reduction mechanism (not shown).
  • Each traveling device 4 includes a traveling motor 14, a driving wheel 15 connected to the traveling motor 14, a driven wheel 16 provided behind the driving wheel 15, and a driving wheel 15 and a driven wheel 16. and a crawler belt 17 .
  • the driven wheels 16 may be provided in front of the drive wheels 15 .
  • the handle device 5 has left and right arms 20 (only the left arm 20 is shown in FIG. 1) extending rearward and upward from the lower part of the body 3, and an input device 21 attached to the upper ends of the left and right arms 20. .
  • Each arm 20 is provided at its upper end with a grip 20a to be gripped by the operator.
  • the input device 21 is a device that receives an input operation by an operator.
  • the input device 21 has, for example, a travel lever 22 that receives a travel operation of the snow remover 1 and a snow removal switch 23 that accepts an operating operation of the blower device 6 and the auger device 7 .
  • the blower device 6 has a blower housing 26 fixed to the front part of the fuselage 3 , a blower 27 housed in the blower housing 26 , and a shooter 28 extending upward from the upper end of the blower housing 26 .
  • the blower 27 is fixed to the rear portion of the transmission shaft 12 .
  • the auger device 7 includes an auger housing 31 fixed to the front portion of the blower housing 26, a transmission 32 housed in the auger housing 31, an auger shaft 33 rotatably supported by the auger housing 31, and a a fixed auger claw 34;
  • the auger shaft 33 is connected to the transmission shaft 12 via the transmission 32 . Details of the auger device 7 will be described later.
  • the travel motor 14 of each travel device 4 rotates. Rotation of the traveling motor 14 is transmitted to the crawler belt 17 via the driving wheels 15, and the crawler belt 17 rotates. As a result, the snow blower 1 runs.
  • the crankshaft 11 of the engine 10 rotates.
  • Rotation of the crankshaft 11 is transmitted to the transmission shaft 12 via a speed reduction mechanism (not shown), and the transmission shaft 12 and the blower 27 rotate integrally.
  • the rotation of the transmission shaft 12 is transmitted to the auger shaft 33 via the transmission 32, and the auger shaft 33 and the auger claw 34 rotate integrally.
  • the auger claws 34 rotate, the snow in front of the snow remover 1 is crushed by the auger claws 34 and collected in the center of the auger housing 31 in the left-right direction. This collected snow is introduced into blower housing 26 and projected in a desired direction by blower 27 through shooter 28 .
  • the auger device 7 is arranged on both left and right outer sides of the auger claw 34, and the auger shaft 33 and a pair of connecting members 36 connecting the auger shaft 33 and the pair of side discs 35 .
  • the radial direction or the circumferential direction indicates the radial direction or the circumferential direction of the auger shaft 33 .
  • the auger housing 31 of the auger device 7 has a box shape that is open forward and downward.
  • the auger housing 31 has a main plate 41 extending in the left-right direction and a pair of side plates 42 fixed to both left and right ends of the main plate 41 .
  • the main plate 41 defines the upper and rear surfaces of the auger housing 31 .
  • a circular communication hole 44 is provided in the central portion of the main plate 41 in the left-right direction, and the internal space of the auger housing 31 and the internal space of the blower housing 26 (see FIG. 1) communicate with each other via the communication hole 44 . are doing.
  • the pair of side plates 42 define both left and right side surfaces of the auger housing 31. As shown in FIG. The pair of side plates 42 are symmetrical to each other.
  • Each side plate 42 includes a first flat plate portion 46 that defines an outermost surface 42A (the outermost surface in the left-right direction), and a second flat plate portion that is arranged laterally inward and radially inward of the first flat plate portion 46. 47, a third flat plate portion 48 arranged laterally inward and radially inward of the second flat plate portion 47, and a fourth flat plate portion arranged radially outward and laterally inward of the first flat plate portion 46. 49, a first connecting portion 50 connecting the first flat plate portion 46 and the second flat plate portion 47, a second connecting portion 51 connecting the second flat plate portion 47 and the third flat plate portion 48, and the first flat plate portion 46 and a third connection portion 52 that connects the fourth flat plate portion 49 .
  • the first to fourth flat plate portions 46 to 49 are provided along a plane perpendicular to the left-right direction.
  • a bulging portion 54 that bulges outward in the left-right direction is provided in the center of the third flat plate portion 48 .
  • a through hole 55 is provided in the center of the bulging portion 54 .
  • a support bracket 57 is fixed to the inner surface of the third flat plate portion 48 via a pair of bolts 56 .
  • the first to third connection parts 50 to 52 are inclined with respect to a plane perpendicular to the left-right direction. More specifically, the first and second connection portions 50 and 51 are slanted radially inward and inward in the left-right direction, and the third connection portion 52 is slanted radially outward and inward in the left-right direction.
  • the transmission 32 of the auger device 7 is accommodated in the central portion of the auger housing 31 in the left-right direction.
  • the transmission 32 includes a gear case 60 , a first drive gear 61 housed in the gear case 60 , and a pair of second drive gears 62 housed in the gear case 60 and arranged on both left and right outer sides of the first drive gear 61 . and have
  • the gear case 60 is suspended from the upper center of the main plate 41 of the auger housing 31 via a vertically extending mounting bracket 64 .
  • the first drive gear 61 meshes with the transmission gear 12A provided on the transmission shaft 12, and rotates in the first rotation direction R1 (clockwise in the left side view in this embodiment) in accordance with the rotation of the transmission shaft 12. is configured to
  • Each second drive gear 62 is connected to the first drive gear 61 via a pair of idle gears (not shown), and rotates in the direction opposite to the first rotation direction R1 according to the rotation of the first drive gear 61. It is configured to rotate in the second rotation direction R2 (counterclockwise in the left side view in this embodiment).
  • the auger shaft 33 of the auger device 7 extends along the left-right direction.
  • the auger shaft 33 is rotatably supported by the auger housing 31 about an axis X extending in the left-right direction.
  • the auger shaft 33 includes a main shaft portion 66, a pair of inner shaft portions 67 provided on the outer periphery of both left and right sides of the main shaft portion 66, and a pair of outer shaft portions 68 disposed on both left and right outer sides of the pair of inner shaft portions 67. and have
  • the main shaft portion 66 has a solid rod shape.
  • the main shaft portion 66 penetrates the gear case 60 of the transmission 32 in the left-right direction.
  • the main shaft portion 66 is fixed to the first drive gear 61 of the transmission 32 and configured to rotate integrally with the first drive gear 61 in the first rotation direction R1.
  • Each inner shaft portion 67 has a pipe shape. Each inner shaft portion 67 is not fixed to the main shaft portion 66 and is provided so as to be relatively rotatable with respect to the main shaft portion 66 . Each inner shaft portion 67 is fixed to the corresponding second drive gear 62 in the left-right direction, and is configured to rotate integrally with the second drive gear 62 in the second rotation direction R2.
  • each outer shaft portion 68 has a pipe shape.
  • the left-right ends of the main shaft portions 66 are fitted into the left-right inner portions of the outer shaft portions 68 .
  • each outer shaft portion 68 is fixed to the main shaft portion 66 and configured to rotate integrally with the main shaft portion 66 in the first rotation direction R1.
  • a cylindrical attachment piece 70 is fitted to the laterally outer portion of each outer shaft portion 68 .
  • the attachment piece 70 is attached via a bearing 71 to a support bracket 57 fixed to each side plate 42 of the auger housing 31 .
  • the auger shaft 33 is rotatably supported by the pair of side plates 42 .
  • a female thread 72 is provided on the inner peripheral surface of the mounting piece 70, and a bolt 73 is screwed into the female thread 72 from the outside in the left-right direction.
  • the head 73a of the bolt 73 is accommodated in the bulging portion 54 of each side plate 42, and locks the bearing 71 from the outside in the left-right direction.
  • the auger claw 34 of the auger device 7 is a so-called cross auger type auger claw and is made of spring steel.
  • the auger claw 34 has a pair of inner claw portions 80 provided on both left and right outer sides of the transmission 32 and a pair of outer claw portions 81 provided on both left and right outer sides of the pair of inner claw portions 80 .
  • Each inner claw portion 80 and each outer claw portion 81 are not connected to each other and are arranged at intervals in the left-right direction.
  • Each inner claw portion 80 is composed of a pair of inner blades 82 arranged so that the angular positions in the circumferential direction are different from each other.
  • Each inner blade 82 has a substantially C shape when viewed from the side. The outer edge of each inner blade 82 is arcuate around the auger shaft 33 .
  • Each inner blade 82 is fixed via a pair of bolts 84 to an inner bracket 83 fixed to the outer peripheral surface of each inner shaft portion 67 of the auger shaft 33 . In this way, each inner blade 82 is detachably fixed to each inner shaft portion 67 via the inner bracket 83, and configured to rotate integrally with each inner shaft portion 67 in the second rotation direction R2. It is Each inner blade 82 is inclined outward in the left-right direction toward the second rotation direction R2.
  • Each outer claw portion 81 is composed of a pair of outer blades 86 arranged so that the angular positions in the circumferential direction are different from each other.
  • Each outer blade 86 has a substantially C shape when viewed from the side. The outer edge of each outer blade 86 is arcuate around the auger shaft 33 .
  • Each outer blade 86 is fixed via a pair of bolts 88 to an outer bracket 87 fixed to the outer peripheral surface of each outer shaft portion 68 of the auger shaft 33 .
  • each outer blade 86 is detachably fixed to each outer shaft portion 68 via the outer bracket 87, and configured to rotate integrally with each outer shaft portion 68 in the first rotation direction R1. It is
  • Each outer blade 86 is inclined outward in the left-right direction toward the first rotation direction R1. That is, each outer blade 86 slopes in the opposite direction to each inner blade 82 .
  • the pair of side discs 35 of the auger device 7 are arranged laterally outside the pair of outer claw portions 81 of the auger claw 34 with a space therebetween. That is, the pair of side discs 35 are not welded to the auger claws 34 .
  • the pair of side discs 35 are arranged inside the pair of side plates 42 of the auger housing 31 in the left-right direction with a space therebetween.
  • each side disk 35 is made of a single sheet metal and has a disk shape centered on the auger shaft 33. As shown in FIG. Each side disc 35 is made of a metal material different from that of the auger claws 34 .
  • Each side disk 35 includes an annular outer peripheral edge portion 91 , an annular outer flat plate portion 92 disposed laterally inward and radially inward of the outer peripheral edge portion 91 , and an annular outer flat plate portion 92 laterally inner than the outer flat plate portion 92 .
  • An annular inner flat plate portion 93 disposed radially inward, a substantially annular central flat plate portion 94 disposed laterally inward and radially inward of the inner flat plate portion 93, the outer peripheral edge portion 91 and the outer side.
  • the outer peripheral edge portion 91, the outer flat plate portion 92, the inner flat plate portion 93, the outer connecting portion 95, and the inner connecting portion 96 are the first flat plate portion 46, the second flat plate portion 47, and the third flat plate portion of each side plate 42, respectively. 48, the first connecting portion 50, and the second connecting portion 51 are opposed to each other with a space therebetween.
  • the outer peripheral edge portion 91, the outer flat plate portion 92, the inner flat plate portion 93, and the central flat plate portion 94 are provided along a plane perpendicular to the left-right direction.
  • the outer diameter of the outer flat plate portion 92 is smaller than the outer diameter of the outer peripheral edge portion 91
  • the outer diameter of the inner flat plate portion 93 is smaller than the outer diameter of the outer flat plate portion 92
  • the outer diameter of the central flat plate portion 94 is smaller than the outer diameter of the inner flat plate portion 93.
  • the outer peripheral edge portion 91 is arranged on the same plane as the second flat plate portion 47 of each side plate 42
  • the outer flat plate portion 92 is arranged on the same plane as the third flat plate portion 48 of each side plate 42 .
  • a circular fitting hole 99 is provided in the center of the central flat plate portion 94 .
  • Each outer shaft portion 68 of the auger shaft 33 is fitted in the fitting hole 99 .
  • each side disk 35 is fixed to each outer shaft portion 68 and configured to rotate integrally with each outer shaft portion 68 in the first rotation direction R1.
  • the outer connection portion 95, the inner connection portion 96, and the pair of central connection portions 97 are inclined with respect to a plane perpendicular to the left-right direction. More specifically, the outer connection portion 95, the inner connection portion 96, and the pair of central connection portions 97 are inclined radially inward toward the inner side in the left-right direction.
  • the pair of central connecting portions 97 extend from the outer peripheral edge of the central flat plate portion 94 in opposite directions and are connected to the inner peripheral edge of the inner flat plate portion 93 .
  • a pair of communication openings 100 are formed at a circumferential interval between the pair of central connection portions 97 .
  • the radial width W1 of the outer flat plate portion 92 is greater than the radial width W2 of the inner flat plate portion 93 (more specifically, the portion of the inner flat plate portion 93 that overlaps the communication openings 100 in the circumferential direction). is also wide.
  • the radial width W1 of the outer flat plate portion 92 may be substantially equal to the radial width W2 of the inner flat plate portion 93, or may be larger than the radial width W2 of the inner flat plate portion 93. It can be narrow.
  • the surface areas of the outer flat plate portion 92 and the inner flat plate portion 93 are larger than the surface areas of the outer peripheral edge portion 91 , the outer connecting portion 95 and the inner connecting portion 96 .
  • the horizontal distance D1 between the outer peripheral edge portion 91 and the outer flat plate portion 92 (more specifically, the pitch between the center of the outer peripheral edge portion 91 in the thickness direction and the center of the outer flat plate portion 92 in the thickness direction; the same applies hereinafter) is , the interval D2 between the outer flat plate portion 92 and the inner flat plate portion 93 in the horizontal direction.
  • a horizontal distance D2 between the outer flat plate portion 92 and the inner flat plate portion 93 is narrower than a horizontal distance D3 between the inner flat plate portion 93 and the central flat plate portion 94 .
  • a pair of auxiliary claws 102 projecting inward in the left-right direction are provided on the inner surface of the outer peripheral edge portion 91 of each side disk 35 .
  • the pair of auxiliary claws 102 are arranged on opposite sides of each outer shaft portion 68 of the auger shaft 33 .
  • the outer edge portion of each auxiliary claw 102 protrudes further to the outer peripheral side than the outer peripheral edge portion 91 of each side disk 35 .
  • Each auxiliary claw 102 is composed of a plate-like member that curves so as to be convex inward in the left-right direction. That is, each auxiliary claw 102 is formed separately from each side disc 35 . Circumferential end portions 102A of each auxiliary claw 102 are fixed to the inner surface of the outer peripheral edge portion 91 of each side disk 35 by welding. A radially inner edge portion 102B of each auxiliary claw 102 is fixed to an outer connecting portion 95 of each side disk 35 by welding. With the above configuration, a space S that opens radially outward is formed between each side disk 35 and each auxiliary claw 102 .
  • Each auxiliary claw 102 is an outer edge in the left-right direction of each outer blade 86 (only one of the pair of outer blades 86 is shown in FIGS. 6 and 7) constituting each outer claw portion 81 of the auger claw 34. It is located adjacent to 86A. More specifically, each auxiliary claw 102 is arranged on an extension line E of the laterally outer end portion 86A of each outer blade 86 . Each auxiliary claw 102 is arranged at a distance Y in the circumferential direction of the auger shaft 33 with respect to the laterally outer end portion 86A of each outer blade 86 . An inclined surface 104 is provided on the inner surface of each auxiliary claw 102 .
  • the inclined surface 104 is inclined outward in the left-right direction toward the first rotation direction R1 (the rotation direction of each outer blade 86). That is, the angled surface 104 is angled in the same direction as each outer blade 86 .
  • the angle formed by the inclined surface 104 and the plane perpendicular to the left-right direction is substantially equal to the angle formed between the left-right outer end 86A of each outer blade 86 and the plane perpendicular to the left-right direction.
  • Each connecting member 36 of the auger device 7 has the aforementioned outer bracket 87 and a plurality of (in this embodiment, four) connecting shafts 106 radially extending from the outer bracket 87 .
  • the plurality of connecting shafts 106 are arranged at regular intervals in the circumferential direction.
  • One of the plurality of connecting shafts 106 is arranged radially inside one of the auxiliary claws 102 so as to overlap with the one of the auxiliary claws 102 in the circumferential direction.
  • Another one of the plurality of connecting shafts 106 is arranged radially inside the other auxiliary claw 102 so as to overlap the other auxiliary claw 102 in the circumferential direction.
  • Each connecting shaft 106 extends radially in a side view.
  • the radially inner end of each connecting shaft 106 is joined (welded) to the outer bracket 87 .
  • the radially outer end of each connecting shaft 106 is joined (welded) to the inner surface of the outer flat plate portion 92 of each side disk 35 .
  • each inner claw portion 80 of the auger claw 34 rotates in a direction opposite to each outer claw portion 81 of the auger claw 34 and each side disk 35 .
  • the snow in front of the snow remover 1 is crushed by the inner claw portions 80 of the auger claws 34 and conveyed toward the center of the auger housing 31 in the left-right direction.
  • each side disk 35 includes the outer peripheral edge portion 91, the outer flat plate portion 92, the inner flat plate portion 93, the outer connection portion 95, and the inner connection portion 96.
  • the outer connection portion 95 and the outer flat plate portion 92 form a first-stage projection with respect to the outer peripheral edge portion 91
  • the inner connection portion 96 and the inner flat plate portion 93 form a protrusion with respect to the outer flat plate portion 92 .
  • Form a second step protrusion As a result, the second-stage protrusion functions to reinforce the first-stage protrusion, and the overall rigidity of each side disk 35 is improved.
  • each side disk 35 can be reduced while ensuring the rigidity of each side disk 35 .
  • the ability of each side disk 35 to bite into the snow surface is improved, and the snow can be efficiently crushed by each side disk 35 .
  • each side disk 35 can be made lighter, and the material for forming each side disk 35 can be saved.
  • the first-stage protrusion and the second-stage protrusion can be easily formed by drawing a single sheet metal, the manufacturing process of each side disk 35 can be prevented from becoming complicated. can be done.
  • the outer connection portion 95 and the inner connection portion 96 are inclined radially inward toward the inner side in the left-right direction. Accordingly, when the outer connection portion 95 and the inner connection portion 96 are provided parallel to the left-right direction (that is, the outer connection portion 95 and the inner connection portion 96 are perpendicular to the outer flat plate portion 92 and the inner flat plate portion 93).
  • the total area of the outer flat plate portion 92 and the inner flat plate portion 93 which are flat and relatively low in rigidity, can be reduced compared to the case where the outer flat plate portion 92 and inner plate portion 93 are provided. Therefore, the overall rigidity of each side disk 35 can be further improved.
  • the outer connecting portion 95 and the inner connecting portion 96 can smoothly convey the snow inward in the left-right direction. can.
  • the outer connection part 95 Since the outer connection part 95 is located radially outside of the inner connection part 96, it comes into contact with the snow surface before the inner connection part 96 does. In consideration of this point, in the present embodiment, the horizontal interval between the outer peripheral edge portion 91 and the outer flat plate portion 92 is narrower than the horizontal interval between the outer flat plate portion 92 and the inner flat plate portion 93 . As a result, the thickness of the outer connecting portion 95 that comes into contact with the snow surface first can be made thinner than the thickness of the inner connecting portion 96, so that the ability of each side disc 35 to bite into the snow surface can be further improved.
  • each connecting shaft 106 and each side disk 35 are larger than the areas of the outer peripheral edge portion 91, the outer connecting portion 95, and the inner connecting portion 96, and the radially outer end of each connecting shaft 106 is It is joined to the flat plate portion 92 .
  • This allows each connecting shaft 106 and each side disk 35 to be connected to each other more easily than in the case where the radially outer end of each connecting shaft 106 is joined to the outer peripheral edge 91 , the outer connecting portion 95 , or the inner connecting portion 96 .
  • the bonding area of can be widened. Therefore, each side disc 35 can be stably supported by each connecting member 36 .
  • each connecting shaft 106 By arranging the radially outer end of each connecting shaft 106 radially inward of the outer peripheral edge 91 of each side disk 35, the outer peripheral edge 91 of each side disk 35 bites into the snow surface. It becomes difficult for each connecting shaft 106 to interfere with.
  • each connecting member 36 can stably support each side disc 35 . Therefore, when force is applied to each side disk 35 from the outside in the radial direction, each side disk 35 is less likely to deform.
  • each connecting shaft 106 and each side disk 35 can be increased, each side disk 35 can be more stably supported by each connecting member 36 .
  • Each side plate 42 also includes a first flat plate portion 46 , a second flat plate portion 47 , a third flat plate portion 48 , a first connection portion 50 and a second connection portion 51 .
  • the first connection portion 50 and the second flat plate portion 47 form a first-stage projecting portion with respect to the first flat plate portion 46
  • the second connection portion 51 and the third flat plate portion 48 form a second projection.
  • a second step protrusion is formed on the flat plate portion 47 .
  • the second-stage protrusion functions to reinforce the first-stage protrusion, and the overall rigidity of each side plate 42 is improved.
  • each side disk 35 corresponds to the first flat plate portion 46 and the second flat plate portion 46 of each side plate 42, respectively. It faces the portion 47, the third flat plate portion 48, the first connection portion 50, and the second connection portion 51 with a space therebetween.
  • the design integrity of each side disk 35 and each side plate 42 can be enhanced, and the appearance of the auger device 7 is improved.
  • each side disk 35 is arranged on the same plane as the second flat plate portion 47 of each side plate 42, and the outer flat plate portion 92 of each side disk 35 is arranged on the same plane as the third flat plate portion 47 of each side plate 42. It is arranged on the same plane as the portion 48 .
  • each inner claw portion 80 and each outer claw portion 81 of the auger claw 34 are arranged at intervals in the left-right direction.
  • the inner claw portions 80 and the outer claw portions 81 of the auger claws 34 are connected to each other so that the auger claws 34 are spirally continuous.
  • each connecting member 36 has an outer bracket 87 and multiple connecting shafts 106 .
  • each connecting member 36 may only have a plurality of connecting shafts 106, as shown in FIG.
  • the radially inner end of each connecting shaft 106 is preferably directly joined (welded) to the auger shaft 33 .
  • each connecting shaft 106 is joined (welded) to the inner surface of the outer flat plate portion 92 of each side disk 35 .
  • the radially outer end of each connecting shaft 106 may be joined (welded) to the inner surface of the inner flat plate portion 93 of each side disk 35 .
  • the outer connection portion 95 and the inner connection portion 96 are inclined radially inward toward the inner side in the left-right direction.
  • the outer connection portion 95 and the inner connection portion 96 may be provided parallel to the left-right direction.
  • each auxiliary claw 102 is provided on the inner surface of the outer peripheral edge portion 91 of each side disk 35 .
  • each auxiliary claw 102 may be provided on the inner surface of the outer flat plate portion 92 or the inner flat plate portion 93 of each side disk 35 .
  • each auxiliary claw 102 is provided separately from each side disc 35 .
  • each auxiliary claw 102 may be provided integrally with each side disk 35 .
  • auxiliary claws 102 are provided on the inner surface of each side disc 35 .
  • only one auxiliary claw 102 may be provided on the inner surface of each side disk 35, or three or more auxiliary claws 102 may be provided.
  • the engine 10 is used as a drive source for driving the blower device 6 and the auger device 7 .
  • an electric motor may be used as a drive source for driving the blower device 6 and the auger device 7, or both the engine 10 and the electric motor may be used.
  • the traveling motor 14 is used as a driving source for driving the crawler belt 17 of each traveling device 4 .
  • the engine 10 may be used as a drive source for driving the crawler belt 17 of each traveling device 4, or both the engine 10 and the traveling motor 14 may be used. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • General Details Of Gearings (AREA)
PCT/JP2021/032701 2021-09-06 2021-09-06 除雪機のオーガ装置 WO2023032213A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2021/032701 WO2023032213A1 (ja) 2021-09-06 2021-09-06 除雪機のオーガ装置
JP2023544988A JPWO2023032213A1 (enrdf_load_stackoverflow) 2021-09-06 2021-09-06
DE112021008215.9T DE112021008215T5 (de) 2021-09-06 2021-09-06 Schneckenvorrichtung eines Schneepflugs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/032701 WO2023032213A1 (ja) 2021-09-06 2021-09-06 除雪機のオーガ装置

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WO2023032213A1 true WO2023032213A1 (ja) 2023-03-09

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DE (1) DE112021008215T5 (enrdf_load_stackoverflow)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024258286A1 (en) * 2023-06-16 2024-12-19 Concore B.V. Method for fabricating a concrete slab in a substantially horizontal slip casting process and apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH026721U (enrdf_load_stackoverflow) * 1988-06-27 1990-01-17
US5101585A (en) * 1991-03-22 1992-04-07 Met-Line Inc. Digging implement
JP2006257836A (ja) * 2005-03-18 2006-09-28 Honda Motor Co Ltd 除雪機
JP2007314962A (ja) * 2006-05-23 2007-12-06 Yoka Ind Co Ltd 除雪機
JP2017210725A (ja) * 2016-05-23 2017-11-30 株式会社クボタ 除雪機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH026721U (enrdf_load_stackoverflow) * 1988-06-27 1990-01-17
US5101585A (en) * 1991-03-22 1992-04-07 Met-Line Inc. Digging implement
JP2006257836A (ja) * 2005-03-18 2006-09-28 Honda Motor Co Ltd 除雪機
JP2007314962A (ja) * 2006-05-23 2007-12-06 Yoka Ind Co Ltd 除雪機
JP2017210725A (ja) * 2016-05-23 2017-11-30 株式会社クボタ 除雪機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024258286A1 (en) * 2023-06-16 2024-12-19 Concore B.V. Method for fabricating a concrete slab in a substantially horizontal slip casting process and apparatus

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JPWO2023032213A1 (enrdf_load_stackoverflow) 2023-03-09

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