WO2010061472A1 - Auger blade and snow remover with the same - Google Patents

Auger blade and snow remover with the same Download PDF

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Publication number
WO2010061472A1
WO2010061472A1 PCT/JP2008/071657 JP2008071657W WO2010061472A1 WO 2010061472 A1 WO2010061472 A1 WO 2010061472A1 JP 2008071657 W JP2008071657 W JP 2008071657W WO 2010061472 A1 WO2010061472 A1 WO 2010061472A1
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WIPO (PCT)
Prior art keywords
blade
auger
snow
cutting
auger blade
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Application number
PCT/JP2008/071657
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French (fr)
Japanese (ja)
Inventor
敦 金沢
Original Assignee
ヤマハモーターパワープロダクツ株式会社
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Application filed by ヤマハモーターパワープロダクツ株式会社 filed Critical ヤマハモーターパワープロダクツ株式会社
Priority to JP2009513509A priority Critical patent/JP4961017B2/en
Priority to PCT/JP2008/071657 priority patent/WO2010061472A1/en
Publication of WO2010061472A1 publication Critical patent/WO2010061472A1/en

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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
    • 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 blade that can be suitably used for an auger device of a snowplow that removes snow on a road surface, a parking lot, and the like while a driver walks by holding an operation handle at the rear of a vehicle body, and a snowplow equipped with the auger blade About.
  • a snow remover that removes snow while the operator grips the operation handle at the rear of the vehicle body and removes snow is driven by the engine together with the blower and the snow collected by the auger device is blown away from the shooter by the blower.
  • the auger blade having a cutting blade for cutting snow is integrally formed from a hard material, thereby improving the cutting ability of the auger blade.
  • the material forming the auger blade is a hard material
  • the impact applied to the auger blade during snow removal strongly acts on the snow remover body via the auger blade. For this reason, the impact is transmitted from the snowplow body to the operator, which is a factor of reducing the operator's workability.
  • the entire auger blade is integrally formed of a hard material together with the cutting blade, it is necessary to replace the entire auger blade when the cutting blade of the auger blade is worn or damaged.
  • the purpose of the present invention is to provide an auger blade that can eliminate the need to replace the entire auger blade even if the cutting blade of the auger blade is worn or damaged, and a snow remover equipped with the auger blade. .
  • a first aspect of the present invention is an auger blade used in an auger device of a snowplow, wherein the blade body is formed of an elastic material capable of absorbing an impact when cutting snow. And a plurality of cutting blades attached to the blade body in a replaceable manner.
  • the auger blade has a blade body formed of an elastic material capable of absorbing an impact when cutting snow, and a plurality of cuttings attached to the blade body in an exchangeable manner. Since it has the structure which has a blade, the cutting performance which cuts snow is maintained like the past. Since the blade body is made of an elastic material that can absorb the impact when cutting snow, the impact applied from the cutting blade to the snow remover body through the blade body when starting snow removal or during snow removal. Can be relaxed. In addition, since the plurality of cutting blades are attached to the blade body in a replaceable manner, even if any of the cutting blades is worn or damaged, only the cutting blades that have been worn or damaged are used. Can be exchanged. Therefore, it is not necessary to replace the entire auger blade.
  • the plurality of cutting blades are attached only to a surface facing the center of the blade body.
  • the auger blade according to the first aspect of the present invention it is preferable that, for example, a plurality of cutting blades are arranged spaced apart in the circumferential direction so as to cover the lateral direction of the auger blade.
  • the plurality of cutting blades arranged from one end of the auger blade to the other end of the auger blade can cover the entire lateral direction of the auger blade so that snow removal is smooth. It is more suitable for carrying out to.
  • the 2nd aspect of this invention is a snow removal machine provided with an auger apparatus.
  • the snowplow includes the auger blade according to the first aspect of the present invention as an auger blade of the auger device.
  • the auger blade according to the first aspect is provided as the auger blade, the snow removal machine is started when the snow removal is started while maintaining the cutting performance for cutting snow. While reducing the impact applied to the main body, even if the cutting blade of the auger blade is worn or damaged, it is not necessary to replace the entire auger blade.
  • FIG. 1 is a side view of an embodiment of a snowplow having an auger blade according to the present invention. It is A arrow view in FIG.
  • FIG. 3 is a view showing a blower portion in a ZZ cross section in FIG. 2. It is a perspective view of an auger apparatus part.
  • FIG. 1 is a side view of an embodiment of a snowplow provided with an auger blade according to the present invention.
  • FIG. 2 is a view taken in the direction of arrow A in FIG. 1
  • FIG. 3 is a view showing a blower portion in the ZZ cross section in FIG. 2
  • FIG. 4 is a perspective view of the auger device portion.
  • the snowplow 1 has an engine 7 mounted at a substantially central portion of a vehicle body 2.
  • a crawler device 6 is provided at the lower center of the vehicle body 2.
  • the crawler device 6 is driven by the engine 7 via a power transmission mechanism (not shown) including a clutch mechanism.
  • a support pipe 3 having an upper U-shape is attached to the rear end portion (right end portion in FIG. 1) of the vehicle body 2 so as to project obliquely rearward.
  • the upper portion of the support pipe 3 is a grip 4 that is gripped by the operator.
  • an operation unit 5 for operating a clutch mechanism or the like is provided at a position where the operator can operate. Accordingly, the operator can drive the crawler device 6 by operating the operation unit 5 while walking while gripping the grip 4.
  • the snow remover 1 is provided with an auger device 10 at the front end of the vehicle body 2.
  • the auger device 10 has a drive unit 11 connected to the output shaft 7 a of the engine 7 via a V-belt type power transmission mechanism unit 12 including a clutch mechanism.
  • the clutch mechanism operates in accordance with the operation of the operation unit 5 by the operator, and transmits the driving force of the engine 7 to the drive unit 11 of the auger device 10.
  • the driving force transmitted to the drive unit 11 is transmitted to the left and right auger blades 20 having a spiral shape via a drive shaft 13 (see FIG. 2) extending left and right.
  • a pivotable shooter 9 is erected on the upper portion of the auger device 10.
  • a blower 8 driven together with the auger device 10 by the engine 7 is disposed coaxially with the drive unit 11 of the auger device 10 in the center of the auger device 10 in the vehicle width direction. Yes.
  • the left and right auger blades 20 are rotated by the drive shaft 13.
  • the broken snow is scraped up toward the blower 8 in the center of the vehicle width direction, and the scraped snow is spun up by the blower 8, so Snow is thrown away from the upper shooter 9.
  • each of the left and right auger blades 20 includes a substantially annular first auger blade 20a and a substantially annular first auger blade 20a whose phase is shifted by 180 ° with respect to the first auger blade 20a.
  • the first and second auger blades 20a and 20b include a blade body 22 formed of an elastic material capable of absorbing an impact when cutting snow, and a plurality of cutting blades attached to the blade body 22 in a replaceable manner. 24, respectively.
  • the elastic material of the blade body 22 various elastic materials can be employed as long as they can absorb the impact when cutting snow.
  • a material that elastically deforms in the compression direction when an external force is received by the blade body 22 is suitable.
  • rubber or plastic can be suitably used. In this embodiment, rubber is employed.
  • each cutting blade 24 includes a cutting blade main body 24a having a blade portion for cutting snow, a cutting blade support plate 24b, and two fixing pins 24c.
  • the cutting blade body 24a is formed of a hard material capable of cutting snow.
  • the hard material capable of cutting snow for example, metal or hard plastic can be suitably used.
  • a steel material is used as the hard material of the cutting blade body 24a.
  • the auger blade 20 (20a, 20b) mounting holes are drilled at two locations along the rotation direction for each position where each cutting blade 24 is attached. Then, with respect to the two mounting holes, the two cutting pins 24c (for example, the cutting blade body 24a and the cutting blade support plate 24b hold the auger blade 20 (20a, 20b) from both sides thereof. Fastened with bolts and nuts).
  • the fixing pin 24c is detachable, and a plurality of cutting blades 24 can be detached from the blade body 22 individually.
  • each cutting blade 24 is attached to only the surface facing the center of the auger device 10 in the vehicle width direction with respect to the front and back surfaces of the blade body 22.
  • the operation of the snow removal machine 1 and its operation / effect will be described.
  • the operator appropriately operates the operation unit 5 while holding the grip 4 of the snowplow 1.
  • the clutch mechanisms of the auger device 10 and the crawler device 6 are appropriately interrupted according to the operation of the operation unit 5.
  • the snow remover 1 drives the crawler device 6 with the driving force of the engine 7 and drives the auger device 10 and the blower 8 with the engine 7 via the power transmission mechanism 12. Can do.
  • each of the left and right auger blades 20 breaks down while cutting the snow, and scrapes the broken snow toward the blower 8 at the center in the vehicle width direction. Further, the collected snow is splashed up by the blower 8, and the raised snow is thrown away from the shooter 9. In this manner, the operator can perform a desired snow removal operation while walking by holding the grip 4 and appropriately operating the operation unit 5.
  • the auger blade 20 of the auger apparatus 10 is attached to the blade body 22 in an exchangeable manner, with the blade body 22 formed of an elastic material capable of absorbing an impact when cutting snow.
  • the cutting performance for cutting snow is maintained as in the conventional auger blade integrally formed from a hard material.
  • the blade body 22 of the auger blade 20 is formed of rubber as an elastic material capable of absorbing an impact when cutting snow, so when starting snow removal or during snow removal. The impact applied to the snowplow 1 main body (vehicle body 2) from the cutting blade 24 via the blade main body 22 can be reduced.
  • the plurality of cutting blades 24 of the auger blade 20 are attached to the blade body 22 in a replaceable manner, even if any of the cutting blades 24 is worn or damaged, the wear or damage is caused. It is possible to replace only the cutting blade 24 in which, etc. have occurred. Therefore, the maintainability of the auger apparatus 10 is improved. Needless to say, the auger blade 20 or the blade body 22 can be replaced as in the prior art.
  • the plurality of cutting blades 24 are attached only to the surface facing the center of the blade body 22, when the auger blade 20 rotates and collects snow in the center of the auger device 10, the snow is efficiently scraped off. While being able to scrape efficiently. Therefore, snow removal can be performed more smoothly. Furthermore, since the plurality of cutting blades 24 are spaced apart in the circumferential direction so as to cover the lateral direction of the auger blade 20 from one end to the other end of the blade main body 22, Since the plurality of cutting blades 24 cover the entire lateral direction of the auger blade 20 from one end to the other end of the auger blade 20 along the rotation trajectory, snow removal can be performed more smoothly.
  • the auger blade according to the present invention and the snowplow equipped with the auger blade are not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.
  • a snow remover that removes snow while walking while holding the operation handle at the rear of the vehicle body is described as an example, but the present invention is not limited thereto, and if it is a snow remover including an auger device, It can be applied to auger devices of various snowplows.
  • the snow remover provided with the auger blade of the present invention can alleviate the impact applied to the snow remover body (vehicle body) from the cutting blade through the blade body when starting snow removal or during snow removal.
  • the present invention is suitable for an auger device for a snowplow that removes snow while the operator walks while holding the operation handle at the rear of the vehicle body.
  • the auger device is driven by the engine together with the blower.
  • the drive source may be, for example, a motor.
  • a snow remover that travels on a crawler has been described as an example.
  • the present invention is not limited to this, and a snow remover that travels on wheels or a snow remover that has a sled-like member and moves by hand. Of course, it is applicable.
  • the auger blade according to the present invention As described above, according to the auger blade according to the present invention and the snow removal machine equipped with the auger blade, the impact applied to the snow removal machine body when starting or during snow removal while maintaining the cutting performance for cutting snow. In addition, the entire auger blade need not be replaced even when the cutting blade of the auger blade is worn or damaged.

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

Abstract

An auger blade and a snow remover with the auger blade. The auger blade can, while maintaining its high snow cutting performance at a satisfactory level, cushion an impact applied to a snow remover body at the time of the start of and during snow removal operation. Further, even if abrasion, damage, etc. occur on a cutting edge of the auger blade, replacement of the entire auger blade is not required. The snow remover (1) includes an auger device (10) having the auger blade (20). The auger blade (20) is made up of a blade body (22) made from an elastic material capable of absorbing an impact occurring in snow cutting operation, and of cutting edges (24) replaceably attached to the blade body (22).

Description

オーガブレードおよびこれを備えた除雪機Auger blade and snowplow having the same
　本発明は、路面や駐車場などの雪を、操縦者が車体後部の操作ハンドルを把持して歩行しながら除雪をする除雪機のオーガ装置に好適に用い得るオーガブレードおよびこれを備えた除雪機に関する。 The present invention relates to an auger blade that can be suitably used for an auger device of a snowplow that removes snow on a road surface, a parking lot, and the like while a driver walks by holding an operation handle at the rear of a vehicle body, and a snowplow equipped with the auger blade About.
　従来、操縦者が車体後部の操作ハンドルを把持して歩行しながら除雪をする除雪機は、オーガ装置がブロアと共にエンジンによって駆動され、オーガ装置によって集められた雪をブロアによってシュータから遠方へ飛ばす構成が採られている（例えば特許文献１参照）。
　ここで、この種の除雪機のオーガ装置においては、雪を切削する切削刃を有するオーガブレードを、硬質な材料から一体形成することにより、オーガブレードの切削能力を向上させていた。
特開２００４－２７８０５８号公報 Conventionally, a snow remover that removes snow while the operator grips the operation handle at the rear of the vehicle body and removes snow is driven by the engine together with the blower and the snow collected by the auger device is blown away from the shooter by the blower. (See, for example, Patent Document 1).
Here, in the auger device of this type of snow remover, the auger blade having a cutting blade for cutting snow is integrally formed from a hard material, thereby improving the cutting ability of the auger blade.
JP 2004-278058 A
[発明が解決しようとする課題]
　しかしながら、オーガブレードを形成する材料が硬質な材料である場合、除雪の際にオーガブレードに加わる衝撃が、オーガブレードを介して除雪機本体に強く作用してしまう。そのため、その衝撃が除雪機本体から操縦者にも伝わるので、操縦者の作業性を低下させる要因となっていた。また、オーガブレード全体を硬質な材料から切削刃とともに一体形成しているので、オーガブレードの切削刃に摩耗や損傷等が生じた場合には、オーガブレード全体を交換する必要があった。 [Problems to be solved by the invention]
However, when the material forming the auger blade is a hard material, the impact applied to the auger blade during snow removal strongly acts on the snow remover body via the auger blade. For this reason, the impact is transmitted from the snowplow body to the operator, which is a factor of reducing the operator's workability. Further, since the entire auger blade is integrally formed of a hard material together with the cutting blade, it is necessary to replace the entire auger blade when the cutting blade of the auger blade is worn or damaged.
　そこで、本発明は、このような問題点に着目してなされたものであって、雪を切削する切削性能を維持しつつも、除雪を開始する際や除雪中に、除雪機本体に加わる衝撃を緩和するとともに、オーガブレードの切削刃に摩耗や損傷等が生じた場合であっても、オーガブレード全体の交換を不要とし得るオーガブレードおよびこれを備えた除雪機を提供することを目的としている。 Therefore, the present invention has been made paying attention to such problems, and while maintaining the cutting performance for cutting snow, the impact applied to the snowplow body when starting snow removal or during snow removal. The purpose of the present invention is to provide an auger blade that can eliminate the need to replace the entire auger blade even if the cutting blade of the auger blade is worn or damaged, and a snow remover equipped with the auger blade. .
[課題を解決するための手段]
　上記課題を解決するために、本発明の第一の態様は、除雪機のオーガ装置に用いられるオーガブレードであって、雪を切削する際の衝撃を吸収可能な弾性素材で形成されたブレード本体と、該ブレード本体に交換可能に付設された複数の切削刃とを有することを特徴としている。 [Means for solving problems]
In order to solve the above problems, a first aspect of the present invention is an auger blade used in an auger device of a snowplow, wherein the blade body is formed of an elastic material capable of absorbing an impact when cutting snow. And a plurality of cutting blades attached to the blade body in a replaceable manner.
　第一の態様に係るオーガブレードによれば、オーガブレードを、雪を切削する際の衝撃を吸収可能な弾性素材で形成されたブレード本体と、このブレード本体に交換可能に付設された複数の切削刃とを有する構成としたので、従来同様に、雪を切削する切削性能は維持されている。そして、ブレード本体は、雪を切削する際の衝撃を吸収可能な弾性素材で形成されているので、除雪を開始する際や除雪中に、切削刃からブレード本体を介して除雪機本体に加わる衝撃を緩和することができる。また、複数の切削刃は、ブレード本体に交換可能に付設されているので、いずれかの切削刃に摩耗や損傷等が生じた場合であっても、当該摩耗や損傷等が生じた切削刃のみを交換することができる。したがって、オーガブレード全体の交換が不要である。 According to the auger blade according to the first aspect, the auger blade has a blade body formed of an elastic material capable of absorbing an impact when cutting snow, and a plurality of cuttings attached to the blade body in an exchangeable manner. Since it has the structure which has a blade, the cutting performance which cuts snow is maintained like the past. Since the blade body is made of an elastic material that can absorb the impact when cutting snow, the impact applied from the cutting blade to the snow remover body through the blade body when starting snow removal or during snow removal. Can be relaxed. In addition, since the plurality of cutting blades are attached to the blade body in a replaceable manner, even if any of the cutting blades is worn or damaged, only the cutting blades that have been worn or damaged are used. Can be exchanged. Therefore, it is not necessary to replace the entire auger blade.
　ここで、本発明の第一の態様に係るオーガブレードにおいて、例えば前記複数の切削刃が、前記ブレード本体の中央を向く面にのみ取り付けられていることは好ましい。このような構成であれば、オーガブレードが回転して雪をオーガ装置の中央に集めるときに、雪を効率良く削り落としつつ、効率良く掻き集めることができる。そのため、除雪を円滑に行う上でより好適である。 Here, in the auger blade according to the first aspect of the present invention, it is preferable that, for example, the plurality of cutting blades are attached only to a surface facing the center of the blade body. With such a configuration, when the auger blade rotates and collects snow in the center of the auger device, the snow can be efficiently scraped and scraped off efficiently. Therefore, it is more suitable for performing snow removal smoothly.
　また、本発明の第一の態様に係るオーガブレードにおいて、例えば複数の切削刃が、オーガブレードの横方向を網羅するように周方向に離間して配設されていることは好ましい。このような構成であれば、オーガブレードの一端から他端に亘って配設された複数の切削刃が、オーガブレード回転時の回転軌跡がオーガブレードの横方向全体を網羅するため、除雪を円滑に行う上でより好適である。 Also, in the auger blade according to the first aspect of the present invention, it is preferable that, for example, a plurality of cutting blades are arranged spaced apart in the circumferential direction so as to cover the lateral direction of the auger blade. With such a configuration, the plurality of cutting blades arranged from one end of the auger blade to the other end of the auger blade can cover the entire lateral direction of the auger blade so that snow removal is smooth. It is more suitable for carrying out to.
　また、本発明の第二の態様は、オーガ装置を備える除雪機である。当該除雪機は、前記オーガ装置のオーガブレードとして、本発明の第一の態様に係るオーガブレードを備えていることを特徴としている。
　第二の態様に係る除雪機によれば、オーガブレードとして、第一の態様に係るオーガブレードを備えているので、雪を切削する切削性能を維持しつつも、除雪を開始する際に除雪機本体に加わる衝撃を緩和するとともに、オーガブレードの切削刃に摩耗や損傷等が生じた場合であっても、オーガブレード全体の交換が不要である。 Moreover, the 2nd aspect of this invention is a snow removal machine provided with an auger apparatus. The snowplow includes the auger blade according to the first aspect of the present invention as an auger blade of the auger device.
According to the snow removal machine according to the second aspect, since the auger blade according to the first aspect is provided as the auger blade, the snow removal machine is started when the snow removal is started while maintaining the cutting performance for cutting snow. While reducing the impact applied to the main body, even if the cutting blade of the auger blade is worn or damaged, it is not necessary to replace the entire auger blade.
本発明に係るオーガブレードを備えた除雪機の一実施形態の側面図である。1 is a side view of an embodiment of a snowplow having an auger blade according to the present invention. 図１でのＡ矢視図である。It is A arrow view in FIG. 図２でのＺ－Ｚ断面におけるブロアの部分を示す図である。FIG. 3 is a view showing a blower portion in a ZZ cross section in FIG. 2. オーガ装置部分の斜視図である。It is a perspective view of an auger apparatus part.
符号の説明Explanation of symbols
　１　　除雪機
　２　　車体
　３　　支持パイプ
　４　　グリップ
　５　　操作部
　６　　クローラ
　７　　エンジン
　８　　ブロア
　９　　シュータ
　１０　　オーガ装置
　１１　　駆動部
　１２　　動力伝動機構
　１３　　駆動軸
　２０　　オーガブレード
　２０ａ　　第１オーガブレード
　２０ｂ　　第２オーガブレード
　２２　　ブレード本体
　２４　　切削刃 DESCRIPTION OF SYMBOLS 1 Snow remover 2 Car body 3 Support pipe 4 Grip 5 Operation part 6 Crawler 7 Engine 8 Blower 9 Shuter 10 Auger device 11 Drive part 12 Power transmission mechanism 13 Drive shaft 20 Auger blade 20a 1st auger blade 20b 2nd auger blade 22 Blade body 24 Cutting blade
　以下、本発明の一実施形態について、図面を適宜参照しつつ説明する。なお、図１は、本発明に係るオーガブレードを備えた除雪機の一実施形態の側面図であり、同図では要部を説明するために、一部を破断して図示している。また、図２は図１でのＡ矢視図、図３は図２でのＺ－Ｚ断面におけるブロアの部分を示す図、図４はオーガ装置部分の斜視図である。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings as appropriate. FIG. 1 is a side view of an embodiment of a snowplow provided with an auger blade according to the present invention. In FIG. 2 is a view taken in the direction of arrow A in FIG. 1, FIG. 3 is a view showing a blower portion in the ZZ cross section in FIG. 2, and FIG. 4 is a perspective view of the auger device portion.
　図１に示すように、この除雪機１は、車体２の略中央部にエンジン７が搭載されている。そして、車体２の下部中央にはクローラ装置６が設けられている。このクローラ装置６は、クラッチ機構を含む動力伝動機構部（不図示）を介してエンジン７によって駆動される。また、車体２の後端部（図１における右端部）には、上部がＵ字状（図２参照）をなす支持パイプ３が斜め後方に張り出して付設されている。
　この支持パイプ３の上部は、操縦者が把持するグリップ４になっている。そして、このグリップ４近傍には、操縦者が操作可能な位置に、クラッチ機構等を操作する操作部５が設けられている。これにより、操縦者は、グリップ４を把持して歩行しながら操作部５を操作して、上記クローラ装置６を駆動可能になっている。 As shown in FIG. 1, the snowplow 1 has an engine 7 mounted at a substantially central portion of a vehicle body 2. A crawler device 6 is provided at the lower center of the vehicle body 2. The crawler device 6 is driven by the engine 7 via a power transmission mechanism (not shown) including a clutch mechanism. In addition, a support pipe 3 having an upper U-shape (see FIG. 2) is attached to the rear end portion (right end portion in FIG. 1) of the vehicle body 2 so as to project obliquely rearward.
The upper portion of the support pipe 3 is a grip 4 that is gripped by the operator. In the vicinity of the grip 4, an operation unit 5 for operating a clutch mechanism or the like is provided at a position where the operator can operate. Accordingly, the operator can drive the crawler device 6 by operating the operation unit 5 while walking while gripping the grip 4.
　さらに、この除雪機１は、車体２の前端部に、オーガ装置１０が設けられている。このオーガ装置１０は、図１に示すように、その駆動部１１が、上記エンジン７の出力軸７ａに、クラッチ機構を含むＶベルト式の動力伝動機構部１２を介して接続されている。この動力伝動機構部１２は、そのクラッチ機構が、操縦者による操作部５の操作に応じて動作し、エンジン７の駆動力をオーガ装置１０の駆動部１１に伝える。そして、駆動部１１に伝えられた駆動力は、左右に延びる駆動軸１３（図２参照）を介して、螺旋状をなす左右のオーガブレード２０に伝えられるようになっている。 Furthermore, the snow remover 1 is provided with an auger device 10 at the front end of the vehicle body 2. As shown in FIG. 1, the auger device 10 has a drive unit 11 connected to the output shaft 7 a of the engine 7 via a V-belt type power transmission mechanism unit 12 including a clutch mechanism. In the power transmission mechanism unit 12, the clutch mechanism operates in accordance with the operation of the operation unit 5 by the operator, and transmits the driving force of the engine 7 to the drive unit 11 of the auger device 10. The driving force transmitted to the drive unit 11 is transmitted to the left and right auger blades 20 having a spiral shape via a drive shaft 13 (see FIG. 2) extending left and right.
　また、オーガ装置１０の上部には回動可能なシュータ９が立設されている。そして、図２および図３に示すように、オーガ装置１０の車幅方向中央には、エンジン７によってオーガ装置１０と共に駆動されるブロア８が、オーガ装置１０の駆動部１１と同軸に配置されている。オーガ装置１０とブロア８とがエンジン７によって同時に駆動されると、駆動軸１３で左右のオーガブレード２０が回転するようになっている。これにより、左右のオーガブレード２０で雪を切削しつつ崩すとともに、崩した雪を車幅方向中央のブロア８に向けて掻き集め、掻き集めた雪をブロア８で跳ね上げることで、跳ね上げられた雪が上部のシュータ９から遠方へ投雪されるようになっている。 Further, a pivotable shooter 9 is erected on the upper portion of the auger device 10. As shown in FIGS. 2 and 3, a blower 8 driven together with the auger device 10 by the engine 7 is disposed coaxially with the drive unit 11 of the auger device 10 in the center of the auger device 10 in the vehicle width direction. Yes. When the auger device 10 and the blower 8 are simultaneously driven by the engine 7, the left and right auger blades 20 are rotated by the drive shaft 13. As a result, while breaking the snow with the left and right auger blades 20, the broken snow is scraped up toward the blower 8 in the center of the vehicle width direction, and the scraped snow is spun up by the blower 8, so Snow is thrown away from the upper shooter 9.
　ここで、図２に示すように、左右のオーガブレード２０それぞれは、略円環状の第１オーガブレード２０ａと、この第１オーガブレード２０ａに対して位相を１８０°ずらした、略円環状の第２オーガブレード２０ｂとから構成されている。
　これら第１および第２オーガブレード２０ａ，２０ｂは、雪を切削する際の衝撃を吸収可能な弾性素材で形成されたブレード本体２２と、このブレード本体２２に交換可能に付設された複数の切削刃２４とを有してそれぞれ構成されている。なお、ブレード本体２２の弾性素材としては、雪を切削する際の衝撃を吸収可能なものであれば、種々の弾性素材を採用することができる。特に、外力をブレード本体２２に受けたときに、圧縮方向に弾性変形するものが好適であり、例えば、ゴムやプラスチックを好適に用いることができる。本実施形態ではゴムを採用している。 Here, as shown in FIG. 2, each of the left and right auger blades 20 includes a substantially annular first auger blade 20a and a substantially annular first auger blade 20a whose phase is shifted by 180 ° with respect to the first auger blade 20a. 2 auger blades 20b.
The first and second auger blades 20a and 20b include a blade body 22 formed of an elastic material capable of absorbing an impact when cutting snow, and a plurality of cutting blades attached to the blade body 22 in a replaceable manner. 24, respectively. As the elastic material of the blade body 22, various elastic materials can be employed as long as they can absorb the impact when cutting snow. In particular, a material that elastically deforms in the compression direction when an external force is received by the blade body 22 is suitable. For example, rubber or plastic can be suitably used. In this embodiment, rubber is employed.
　また、上記複数の切削刃２４は、図１に示すように、ブレード本体２２の一端から他端に亘ってオーガブレード２０（２０ａ，２０ｂ）の横方向をすべて網羅するように周方向に離間して配設されている。本実施形態の例では、各切削刃２４は、雪を切削するための刃部を有する切削刃本体２４ａと、切削刃支持板２４ｂと、二本の固定ピン２４ｃとから構成されている。切削刃本体２４ａは、雪を切削可能な硬質材料から形成されている。雪を切削可能な硬質材料としては、例えば、金属や硬質プラスチックを好適に用いることができる。本実施形態の例では、切削刃本体２４ａの硬質材料として鋼材を用いている。 Further, as shown in FIG. 1, the plurality of cutting blades 24 are spaced apart in the circumferential direction so as to cover all the lateral directions of the auger blades 20 (20a, 20b) from one end to the other end of the blade body 22. Arranged. In the example of the present embodiment, each cutting blade 24 includes a cutting blade main body 24a having a blade portion for cutting snow, a cutting blade support plate 24b, and two fixing pins 24c. The cutting blade body 24a is formed of a hard material capable of cutting snow. As the hard material capable of cutting snow, for example, metal or hard plastic can be suitably used. In the example of the present embodiment, a steel material is used as the hard material of the cutting blade body 24a.
　さらに、オーガブレード２０（２０ａ，２０ｂ）には、各切削刃２４が取り付けられる位置毎に、装着穴が回転方向に沿って２箇所に穿孔されている。そして、その２箇所の装着穴に対して、切削刃本体２４ａと切削刃支持板２４ｂとが、オーガブレード２０（２０ａ，２０ｂ）をその両側から挟持するように、二本の固定ピン２４ｃ（例えばボルト・ナットによる締結）で固定されている。この固定ピン２４ｃは着脱可能であり、複数の切削刃２４を個別にブレード本体２２から取り外すことができる。 Furthermore, in the auger blade 20 (20a, 20b), mounting holes are drilled at two locations along the rotation direction for each position where each cutting blade 24 is attached. Then, with respect to the two mounting holes, the two cutting pins 24c (for example, the cutting blade body 24a and the cutting blade support plate 24b hold the auger blade 20 (20a, 20b) from both sides thereof. Fastened with bolts and nuts). The fixing pin 24c is detachable, and a plurality of cutting blades 24 can be detached from the blade body 22 individually.
　ここで、図２および図４に示すように、各切削刃２４は、ブレード本体２２の表裏の面に対し、オーガ装置１０の車幅方向での中央を向く面にのみ取り付けられている。これにより、オーガブレード２０が回転して雪をオーガ装置１０の中央に集めるときに、雪を効率良く削り落としつつ、ブロア８に向けて効率良く掻き集めることが可能となり、除雪をより円滑に行うことができるようになっている。 Here, as shown in FIG. 2 and FIG. 4, each cutting blade 24 is attached to only the surface facing the center of the auger device 10 in the vehicle width direction with respect to the front and back surfaces of the blade body 22. As a result, when the auger blade 20 rotates and collects snow in the center of the auger device 10, it is possible to efficiently scrape the snow toward the blower 8 while scraping off the snow efficiently, thereby removing snow more smoothly. Be able to.
　次に、この除雪機１の動作およびその作用・効果について説明する。
　操縦者は、除雪機１のグリップ４を把持しつつ操作部５を適宜に操作する。操作部５が操作されると、オーガ装置１０およびクローラ装置６の各クラッチ機構は、操作部５の操作に応じて適宜断続される。これにより、この除雪機１は、エンジン７の駆動力でクローラ装置６を駆動して走行しつつ、上記動力伝動機構部１２を介して、オーガ装置１０とブロア８とをエンジン７によって駆動することができる。 Next, the operation of the snow removal machine 1 and its operation / effect will be described.
The operator appropriately operates the operation unit 5 while holding the grip 4 of the snowplow 1. When the operation unit 5 is operated, the clutch mechanisms of the auger device 10 and the crawler device 6 are appropriately interrupted according to the operation of the operation unit 5. Thus, the snow remover 1 drives the crawler device 6 with the driving force of the engine 7 and drives the auger device 10 and the blower 8 with the engine 7 via the power transmission mechanism 12. Can do.
　オーガ装置１０が駆動されると、その左右のオーガブレード２０それぞれは、雪を切削しつつ崩すとともに、崩した雪を車幅方向中央のブロア８に向けて掻き集める。さらに、集められた雪はブロア８によって跳ね上げられ、跳ね上げられた雪がシュータ９から遠方へ投雪される。このようにして、操縦者は、グリップ４を把持して操作部５を適宜に操作することにより歩行しながら所望の除雪作業を行うことができる。 When the auger device 10 is driven, each of the left and right auger blades 20 breaks down while cutting the snow, and scrapes the broken snow toward the blower 8 at the center in the vehicle width direction. Further, the collected snow is splashed up by the blower 8, and the raised snow is thrown away from the shooter 9. In this manner, the operator can perform a desired snow removal operation while walking by holding the grip 4 and appropriately operating the operation unit 5.
　そして、この除雪機１によれば、オーガ装置１０のオーガブレード２０を、雪を切削する際の衝撃を吸収可能な弾性素材で形成されたブレード本体２２と、このブレード本体２２に交換可能に付設された複数の切削刃２４とを有する構成としたので、硬質な材料から一体形成された従来のオーガブレード同様に、雪を切削する切削性能は維持されている。
　さらに、この除雪機１によれば、オーガブレード２０のブレード本体２２は、雪を切削する際の衝撃を吸収可能な弾性素材としてゴムで形成されているので、除雪を開始する際や除雪中に、切削刃２４からブレード本体２２を介して除雪機１本体（車体２）に加わる衝撃を緩和することができる。 According to the snow remover 1, the auger blade 20 of the auger apparatus 10 is attached to the blade body 22 in an exchangeable manner, with the blade body 22 formed of an elastic material capable of absorbing an impact when cutting snow. Thus, the cutting performance for cutting snow is maintained as in the conventional auger blade integrally formed from a hard material.
Further, according to the snow remover 1, the blade body 22 of the auger blade 20 is formed of rubber as an elastic material capable of absorbing an impact when cutting snow, so when starting snow removal or during snow removal. The impact applied to the snowplow 1 main body (vehicle body 2) from the cutting blade 24 via the blade main body 22 can be reduced.
　また、オーガブレード２０の複数の切削刃２４は、ブレード本体２２に交換可能に付設されているので、いずれかの切削刃２４に摩耗や損傷等が生じた場合であっても、当該摩耗や損傷等が生じた切削刃２４のみを交換することができる。したがって、オーガ装置１０のメンテナンス性が向上する。なお、従来同様に、オーガブレード２０もしくはブレード本体２２を交換可能であることは勿論である。 In addition, since the plurality of cutting blades 24 of the auger blade 20 are attached to the blade body 22 in a replaceable manner, even if any of the cutting blades 24 is worn or damaged, the wear or damage is caused. It is possible to replace only the cutting blade 24 in which, etc. have occurred. Therefore, the maintainability of the auger apparatus 10 is improved. Needless to say, the auger blade 20 or the blade body 22 can be replaced as in the prior art.
　また、複数の切削刃２４は、ブレード本体２２の中央を向く面にのみ取り付けられているので、オーガブレード２０が回転して雪をオーガ装置１０の中央に集めるときに、雪を効率良く削り落としつつ、効率良く掻き集めることができる。そのため、除雪をより円滑に行うことができる。
　さらにまた、複数の切削刃２４は、ブレード本体２２の一端から他端に亘ってオーガブレード２０の横方向を網羅するように周方向に離間して配設されているので、オーガブレード回転時の回転軌跡に沿ってオーガブレード２０の一端から他端に亘って複数の切削刃２４がオーガブレード２０の横方向全体を網羅するため、除雪をより円滑に行うことができる。 Further, since the plurality of cutting blades 24 are attached only to the surface facing the center of the blade body 22, when the auger blade 20 rotates and collects snow in the center of the auger device 10, the snow is efficiently scraped off. While being able to scrape efficiently. Therefore, snow removal can be performed more smoothly.
Furthermore, since the plurality of cutting blades 24 are spaced apart in the circumferential direction so as to cover the lateral direction of the auger blade 20 from one end to the other end of the blade main body 22, Since the plurality of cutting blades 24 cover the entire lateral direction of the auger blade 20 from one end to the other end of the auger blade 20 along the rotation trajectory, snow removal can be performed more smoothly.
　なお、本発明に係るオーガブレードおよびこれを備えた除雪機は、上記実施形態に限定されるものではなく、本発明の趣旨を逸脱しなければ種々の変形が可能である。
　例えば、上記実施形態では、操縦者が車体後部の操作ハンドルを把持して歩行しながら除雪をする除雪機を例に説明したが、これに限定されず、オーガ装置を備える除雪機であれば、種々の除雪機のオーガ装置に適用可能である。但し、本発明のオーガブレードを備える除雪機は、除雪を開始する際や除雪中に、切削刃からブレード本体を介して除雪機本体（車体）に加わる衝撃を緩和することができるものであるから、特に、本実施形態のように、操縦者が車体後部の操作ハンドルを把持して歩行しながら除雪をする除雪機のオーガ装置に好適である。 The auger blade according to the present invention and the snowplow equipped with the auger blade are not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.
For example, in the above-described embodiment, a snow remover that removes snow while walking while holding the operation handle at the rear of the vehicle body is described as an example, but the present invention is not limited thereto, and if it is a snow remover including an auger device, It can be applied to auger devices of various snowplows. However, the snow remover provided with the auger blade of the present invention can alleviate the impact applied to the snow remover body (vehicle body) from the cutting blade through the blade body when starting snow removal or during snow removal. In particular, as in this embodiment, the present invention is suitable for an auger device for a snowplow that removes snow while the operator walks while holding the operation handle at the rear of the vehicle body.
　また、上記実施形態では、オーガ装置がブロアと共にエンジンによって駆動される例で説明したが、これに限らず、駆動源は、例えばモータであってもよい。また、上記実施形態では、クローラで走行する除雪機を例に説明したが、これに限らず、車輪で走行する除雪機や、そり状の部材を有して手押し式で移動する除雪機にも適用可能なことは勿論である。 In the above embodiment, the auger device is driven by the engine together with the blower. However, the present invention is not limited thereto, and the drive source may be, for example, a motor. In the above embodiment, a snow remover that travels on a crawler has been described as an example. However, the present invention is not limited to this, and a snow remover that travels on wheels or a snow remover that has a sled-like member and moves by hand. Of course, it is applicable.
産業上の利用の可能性Industrial applicability
　上述のように、本発明に係るオーガブレードおよびこれを備えた除雪機によれば、雪を切削する切削性能を維持しつつも、除雪を開始する際や除雪中に、除雪機本体に加わる衝撃を緩和するとともに、オーガブレードの切削刃に摩耗や損傷等が生じた場合であっても、オーガブレード全体の交換を不要とすることができる。 As described above, according to the auger blade according to the present invention and the snow removal machine equipped with the auger blade, the impact applied to the snow removal machine body when starting or during snow removal while maintaining the cutting performance for cutting snow. In addition, the entire auger blade need not be replaced even when the cutting blade of the auger blade is worn or damaged.

Claims (4)

  1. 　除雪機のオーガ装置に用いられるオーガブレードであって、
    　雪を切削する際の衝撃を吸収可能な弾性素材で形成されたブレード本体と、該ブレード本体に交換可能に付設された複数の切削刃とを有することを特徴とするオーガブレード。     An auger blade used in an auger device of a snowplow,
    An auger blade comprising: a blade body formed of an elastic material capable of absorbing an impact when cutting snow; and a plurality of cutting blades attached to the blade body in a replaceable manner.
  2. 　前記複数の切削刃は、前記ブレード本体の中央を向く面にのみ取り付けられていることを特徴とする請求項１に記載のオーガブレード。 The auger blade according to claim 1, wherein the plurality of cutting blades are attached only to a surface facing the center of the blade body.
  3. 　前記複数の切削刃は、前記ブレード本体の一端から他端に亘ってオーガブレードの横方向を網羅するように周方向に離間して配設されていることを特徴とする請求項１または２に記載のオーガブレード。 The plurality of cutting blades are arranged in a circumferentially spaced manner so as to cover the lateral direction of the auger blade from one end to the other end of the blade body. The described auger blade.
  4. 　オーガ装置を備える除雪機であって、
    　前記オーガ装置のオーガブレードとして、請求項１～３のいずれか一項に記載のオーガブレードを備えていることを特徴とする除雪機。     A snowplow equipped with an auger device,
    A snow remover comprising the auger blade according to any one of claims 1 to 3 as an auger blade of the auger device.
PCT/JP2008/071657 2008-11-28 2008-11-28 Auger blade and snow remover with the same WO2010061472A1 (en)

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