WO2014203309A1 - モータグレーダ - Google Patents
モータグレーダ Download PDFInfo
- Publication number
- WO2014203309A1 WO2014203309A1 PCT/JP2013/066607 JP2013066607W WO2014203309A1 WO 2014203309 A1 WO2014203309 A1 WO 2014203309A1 JP 2013066607 W JP2013066607 W JP 2013066607W WO 2014203309 A1 WO2014203309 A1 WO 2014203309A1
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- WIPO (PCT)
- Prior art keywords
- inner peripheral
- peripheral portion
- shaft
- outer peripheral
- motor grader
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/7663—Graders with the scraper blade mounted under a frame supported by wheels, or the like
- E02F3/7668—Graders with the scraper blade mounted under a frame supported by wheels, or the like with the scraper blade being pivotable about a vertical axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
- E02F3/764—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a vertical axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
- E02F3/7645—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a horizontal axis disposed parallel to the blade
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
- E02F3/765—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
- E02F3/7654—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being horizontally movable into a position near the chassis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
Definitions
- the present invention relates to a motor grader provided with a blade turning device.
- the motor grader includes a frame, a draw bar supported so as to be vertically swingable below the frame, a blade turning device supported by the draw bar, and a blade supported by the blade turning device (for example, Patent Document 1). reference).
- the blade turning device includes a circle that supports the blade and a circle rotating machine that rotationally drives the circle.
- the circle rotating machine is disposed on the draw bar.
- the present invention has been made in view of the above-described situation, and an object thereof is to provide a motor grader capable of suppressing the height of a circle rotating machine.
- a motor grader includes a frame, a draw bar, a blade turning device, and a blade.
- the draw bar is disposed below the frame and is supported by the frame so as to be swingable up and down.
- the blade turning device is supported by the draw bar.
- the blade is supported by a blade turning device.
- the blade turning device includes a circle that supports the blade and is rotatably attached to the draw bar, and a circle rotating machine that drives the circle to rotate.
- the circle rotating machine includes a worm, a worm wheel that meshes with the worm, and a shaft that is inserted into the worm wheel.
- the worm wheel includes an inner peripheral portion that surrounds the shaft, an outer peripheral portion that surrounds the outer periphery of the shaft and meshes with the worm, and a plurality of first clutch disks that are spline-coupled to the inner peripheral surface of the inner peripheral portion.
- the shaft includes a shaft main body and a plurality of second clutch disks that are spline-coupled to the outer peripheral surface of the shaft main body and sandwiched between the plurality of first clutch disks, respectively.
- the inner peripheral portion is made of a material harder than the outer peripheral portion.
- the inner peripheral portion is made of a hard material, the resistance of the contact surface between the inner peripheral portion to which the first clutch disc is splined and the first clutch disc is secured.
- the surface pressure can be increased. Accordingly, since the thickness of the first clutch disk can be reduced or the number of first clutch disks can be reduced, the overall height of the circle rotating machine can be reduced. As a result, the distance between the circle rotating machine and the frame can be widened, so that the movable range of the blade can be increased.
- the motor grader according to a second aspect of the present invention relates to the first aspect, and the outer peripheral portion extends outward from the outer peripheral portion main body and surrounds the outer periphery of the inner peripheral portion, and below the inner peripheral portion.
- the shaft has an abutting portion that extends outward from the shaft body and is disposed below the thrust receiving portion.
- the thrust receiving portion made of a soft material can contact the contact portion and receive a thrust load. Can be suppressed.
- a motor grader relates to the first or second aspect, and the inner peripheral portion is an annular plate-shaped inner peripheral portion main body and a bulge that bulges outward from the inner peripheral portion main body. Has an exit.
- the outer peripheral portion has a first portion that covers the upper side of the upper end portion of the bulging portion, and a second portion that covers the inner side of the lower end portion of the bulging portion.
- the formation of a gap around the bulging portion can be suppressed.
- a motor grader relates to the third aspect, and is a first outer edge line indicating an outer peripheral edge of the inner peripheral body in a cross section of the inner peripheral section cut by a plane passing through the central axis of the shaft.
- the second outer edge line indicating the lower edge of the inner peripheral body is substantially symmetrical about a reference line passing through the center of the first outer edge line and the second outer edge line.
- the width of the inner peripheral body is gradually reduced as it approaches the bulging portion.
- the width of the bulging portion gradually increases as the distance from the inner peripheral portion main body increases.
- the motor grader it is possible to improve the coupling force between the inner peripheral portion and the outer peripheral portion by narrowing the inner peripheral portion between the inner peripheral portion main body and the bulging portion. .
- the motor grader according to the fifth aspect of the present invention relates to any one of the first to fourth aspects, and the inner peripheral portion is made of cast iron.
- the motor grader according to the sixth aspect of the present invention relates to any one of the first to fifth aspects, and the outer peripheral portion is made of a copper aluminum alloy.
- the motor grader which can suppress the height of a circle rotary machine can be provided.
- FIG. 1 is a side view showing the overall configuration of the motor grader 100.
- FIG. 2 is an enlarged perspective view of the front part of the motor grader 100.
- FIG. 3 is a perspective view of the blade turning device 65 as viewed from the X direction of FIG.
- “up”, “down”, “left”, “right”, “front”, and “rear” are terms based on the direction viewed from the operator seated on the driver's seat.
- the motor grader 100 includes a frame 10, a front wheel 20, a rear wheel 30, a cab 40, a draw bar 50, a blade 60, a blade turning device 65, a lifter guide 70, a lifter bracket 75, and a pair of lift cylinders. 80 and a shift cylinder 90.
- the frame 10 includes a front frame 11 and a rear frame 12.
- the front frame 11 supports the draw bar 50 at the front end.
- the rear frame 12 supports an engine and a hydraulic pump (not shown).
- the front wheel 20 is attached to the front end of the front frame 11.
- the rear wheel 30 is attached to the rear frame 12.
- the cab 40 is disposed on the front frame 11.
- the cab 40 may be disposed on the rear frame 12.
- the draw bar 50 is disposed below the front frame 11.
- the draw bar 50 is supported on the front end portion of the front frame 11 so as to be vertically swingable.
- the blade 60 is supported by the blade turning device 65.
- the blade turning device 65 is supported at the rear end portion of the draw bar 50.
- the blade turning device 65 includes a circle 65a, a circle rotating machine 65b, and a pinion 65c.
- the circle 65a is rotatably supported at the rear end portion of the draw bar 50.
- the circle 65a supports the blade 60.
- the circle rotating machine 65b is arranged inside the circle 65a.
- the circle rotator 65b drives the circle 65a to rotate by hydraulic pressure. Specifically, as shown in FIG. 3, the pinion 65c connected to the lower end of the circle rotating machine 65b meshes with the inner teeth 65T of the circle 65a, and the circle 65a rotates according to the rotation of the pinion 65c.
- the configuration of the circle rotating machine 65b will be described later.
- the upper end of the blade turning device 65 protrudes upward from the draw bar 50, but the blade turning device 65 may not protrude from the draw bar 50.
- the lifter guide 70 is fixed to the frame 10.
- the lifter guide 70 is formed in an annular shape.
- the lifter bracket 75 is a frame that surrounds the lifter guide 70.
- a pair of lift cylinders 80 and shift cylinders 90 are connected to the lifter bracket 75.
- the pair of lift cylinders 80 are connected to the draw bar 50 and the lifter bracket 75. By extending and contracting the pair of lift cylinders 80, the draw bar 50 can be moved up and down.
- the shift cylinder 90 is connected to the draw bar 50 and the lifter bracket 75. By extending and contracting the shift cylinder 90, the draw bar 50 can be moved left and right.
- FIG. 4 is a cross-sectional view of the circle rotating machine 65b.
- FIG. 5 is a cross-sectional view taken along the line AA in FIG. 4 shows a vertical cross section, and FIG. 5 shows a horizontal cross section.
- “inside” and “outside” are terms based on the central axis AX of the shaft 140.
- the circle rotating machine 65b includes a housing 110, a worm 120, a worm wheel 130, and a shaft 140.
- the housing 110 accommodates the worm 120 and the worm wheel 130.
- the worm 120 is a cylindrical member disposed along the horizontal direction.
- the worm 120 is rotationally driven by hydraulic pressure.
- Screw teeth 120 a are formed on the outer peripheral surface of the worm 120.
- the worm wheel 130 has an inner peripheral part 131, an outer peripheral part 132, and a plurality of first clutch disks 133.
- the inner periphery 131 surrounds the shaft 140.
- the inner peripheral part 131 is made of a material harder than the outer peripheral part 132.
- FCD450 spheroidal graphite cast iron: hardness is, for example, HB200
- FCD450 spheroidal graphite cast iron: hardness is, for example, HB200
- the inner peripheral part 131 includes an inner peripheral part body 131a and a plurality of bulged parts 131b.
- the inner peripheral body 131a is formed in a ring plate shape.
- the plurality of bulging portions 131b bulge outward and downward from the inner peripheral portion main body 131a toward the inside of the outer peripheral portion 132. Thereby, the inner peripheral part 131 is firmly connected to the outer peripheral part 132, and the radial load resistance around the central axis AX is improved.
- twelve bulging portions 131b are provided, but the number and size of the bulging portions 131b can be changed as appropriate.
- the outer peripheral part 132 surrounds the outer side of the inner peripheral part 131.
- the outer peripheral part 132 is integrally formed with the inner peripheral part 131 by a casting method. Specifically, the outer peripheral portion 132 is formed by pouring the molten material into the mold after the inner peripheral portion 131 is fixed in the mold.
- the outer peripheral part 132 is made of a softer material than the inner peripheral part 131.
- the material constituting the outer peripheral portion 132 is preferably a copper aluminum alloy (having a hardness of, for example, HB160), but is not limited thereto.
- the outer peripheral portion 132 includes an outer peripheral portion main body 132a and a thrust receiving portion 132b.
- the outer peripheral body 132a is formed in an annular shape.
- the thrust receiving portion 132b extends inward from the lower end portion of the outer peripheral portion main body 132a.
- the thrust receiving part 132b covers the lower part of the bulging part 131b.
- the thrust receiving portion 132b is formed in a ring plate shape.
- the thrust receiving portion 132b is disposed below the inner peripheral portion 131.
- a thrust load in the axial direction along the central axis AX of the shaft 140 can be received by the thrust receiving portion 132b.
- the thrust receiving portion 132b is in contact with a contact portion 140b of the shaft 140 described later.
- the plurality of first clutch disks 133 are formed in an annular plate shape.
- the plurality of first clutch disks 133 are splined to the inner peripheral surface of the inner peripheral portion 131 (specifically, the inner peripheral portion main body 131a).
- the plurality of first clutch disks 133 are arranged at predetermined intervals in the axial direction.
- the first clutch disk 133 is sandwiched between second clutch disks 143 described later.
- the first clutch disk 133 is firmly coupled by the frictional force with the second clutch disk 143. Further, the first clutch disk 133 and the second clutch disk 143 are pressed by an urging member (disc spring) 134.
- first clutch disk 133 When a radial load greater than a predetermined value (resistance force applied to the blade 60) is applied to the shaft 140, the first clutch disk 133 is slid from the second clutch disk 143 to protect the worm wheel 130.
- a predetermined value resistance force applied to the blade 60
- eight first clutch disks 133 are provided, but the number and thickness of the first clutch disks 133 can be changed as appropriate.
- the shaft 140 is inserted through the worm wheel 130.
- the shaft 140 is supported by the housing 110 so as to be rotatable about the central axis AX.
- the shaft 140 is made of a material harder than the inner peripheral portion 131.
- the material constituting the shaft 140 is preferably a steel material, but is not limited to this.
- the shaft 140 includes a shaft main body 141, a contact portion 142, and a plurality of second clutch disks 143.
- the shaft body 141 is formed in a cylindrical shape and extends in the axial direction.
- a pinion 65c (see FIG. 3) is connected to the lower end portion of the shaft main body 141.
- the contact portion 142 extends outward from the shaft body 141.
- the contact portion 142 is formed in a ring plate shape.
- the contact portion 142 is disposed below the thrust receiving portion 132b of the outer peripheral portion 132.
- the contact portion 142 is in contact with the lower surface of the thrust receiving portion 132b.
- the plurality of second clutch disks 143 are formed in an annular plate shape.
- the plurality of second clutch disks 143 are splined to the outer peripheral surface of the shaft body 141.
- the plurality of second clutch disks 143 are arranged at predetermined intervals in the axial direction.
- the second clutch disk 143 is sandwiched between the first clutch disks 133.
- seven second clutch disks 143 are provided, but the number and thickness of the second clutch disks 143 can be changed as appropriate.
- FIG. 6 is a cross-sectional view of the inner peripheral portion 131 and the outer peripheral portion 132 cut along a plane passing through the central axis AX of the shaft 140.
- the outer peripheral portion 132 has a first portion 201 and a second portion 202.
- the first part 201 covers the upper side of the upper end part of the bulging part 131b of the inner peripheral part 131.
- the first portion 201 extends inward from the upper end portion of the outer peripheral body 132a.
- the second portion 202 covers the inside of the lower end portion of the bulging portion 131 b of the inner peripheral portion 131.
- the second portion 202 is formed by a part of the thrust receiving portion 132b protruding upward.
- the inner peripheral portion 131 has a first outer edge line H1 indicating the outer peripheral edge of the inner peripheral portion main body 131a and a second outer edge line H2 indicating the lower edge of the inner peripheral portion main body 131a.
- the first outer edge line H1 and the second outer edge line H2 are substantially symmetric with respect to a reference line 131S passing through the centers of the first outer edge line H1 and the second outer edge line H2.
- the width W1 of the inner peripheral part main body 131a is gradually reduced as it approaches the bulging part 131b.
- the width W2 of the bulging portion 131b gradually increases as the distance from the inner peripheral portion main body 131a increases, and further decreases as the distance from the inner peripheral portion main body 131a increases.
- the circle rotating machine 65b of the motor grader 100 includes a worm 120, a worm wheel 130, and a shaft 140.
- the worm wheel 130 includes an inner peripheral part 131, an outer peripheral part 132 that surrounds the outer side of the inner peripheral part 131, and a plurality of first clutch disks 133 that are splined to the inner peripheral surface of the inner peripheral part 131.
- the inner peripheral part 131 is made of a material harder than the outer peripheral part 132.
- the inner peripheral portion 131 is made of a hard material, the surface pressure resistance of the contact surface between the inner peripheral portion to which the first clutch disc is splined and the first clutch disc can be improved. Therefore, since the thickness of the first clutch disk 133 can be reduced and the number of the first clutch disks 133 can be reduced, the overall height of the circle rotating machine 65b can be reduced. As a result, the distance between the circle rotating machine 65b and the frame 10 can be increased, so that the movable range of the blade 90 can be increased.
- the outer peripheral portion 132 has a thrust receiving portion 132b disposed below the inner peripheral portion 131, and the shaft 140 has an abutting portion 142 disposed below the thrust receiving portion 132b.
- the thrust receiving portion 132b made of a soft material can contact the contact portion 142 and receive a thrust load, it is possible to suppress the contact portion 142 from being seized and bonded to the thrust receiving portion 132b. it can. As a result, the circle rotating machine 65b can be driven smoothly.
- the outer peripheral portion 132 has a first portion 201 and a second portion 202.
- the first portion 201 covers the upper side of the bulged portion 131b.
- the 2nd part 202 covers the inner side of a lower end part among the bulging parts 131b.
- the width W1 of the inner peripheral portion main body 131a is gradually reduced as it approaches the bulging portion 131b.
- the width W2 of the bulged portion 131b gradually increases as the distance from the inner peripheral portion main body 131a increases.
- the height of the circle rotating machine can be suppressed, it is useful in the motor grader field.
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Abstract
Description
ここで、ドローバ上にサークル回転機が配置されている場合には、ブレードの上昇可動範囲を拡大するには、サークル回転機とフレームの間隔を広げる必要があり、サークル回転機の高さを抑えることが要請される。
本発明の第1の態様に係るモータグレーダは、フレームと、ドローバと、ブレード旋回装置と、ブレードと、を備える。ドローバは、フレームの下方に配置され、フレームによって上下揺動可能に支持される。ブレード旋回装置は、ドローバに支持される。ブレードは、ブレード旋回装置に支持される。ブレード旋回装置は、ブレードを支持し、ドローバに回転可能に取り付けられるサークルと、サークルを回転駆動するためのサークル回転機と、を有する。サークル回転機は、ウォームと、ウォームと噛み合うウォームホイールと、ウォームホイールに挿通されるシャフトと、を有する。ウォームホイールは、シャフトを取り囲む内周部と、内周部の外側を取り囲み、ウォームと噛み合う外周部と、内周部の内周面にスプライン結合された複数の第1クラッチディスクと、を含む。シャフトは、シャフト本体と、シャフト本体の外周面にスプライン結合され、複数の第1クラッチディスクの間にそれぞれ挟まれる複数の第2クラッチディスクと、を含む。内周部は、外周部よりも硬い材料によって構成されている。
本発明によれば、サークル回転機の高さを抑えることができるモータグレーダを提供することができる。
図1は、モータグレーダ100の全体構成を示す側面図である。図2は、モータグレーダ100の前部を拡大した斜視図である。図3は、図2のX方向からブレード旋回装置65を見た斜視図である。なお、以下の説明において、「上」「下」「左」「右」「前」「後」は、運転席に着座したオペレータから見た方向を基準とする用語である。
図4は、サークル回転機65bの断面図である。図5は、図4のA-A断面図である。図4では鉛直方向の断面が示され、図5では水平方向の断面が示されている。なお、以下の説明において、「内」「外」とは、シャフト140の中心軸AXを基準とする用語である。
図6は、シャフト140の中心軸AXを通る平面で切断した内周部131及び外周部132の断面図である。
(1)モータグレーダ100のサークル回転機65bは、ウォーム120と、ウォームホイール130と、シャフト140と、を有する。ウォームホイール130は、内周部131と、内周部131の外側を取り囲む外周部132と、内周部131の内周面にスプライン結合される複数の第1クラッチディスク133と、を有する。内周部131は、外周部132よりも硬い材料によって構成される。
50 ドローバ
60 ブレード
65 ブレード旋回装置
65a サークル
65b サークル回転機
110 筐体
120 ウォーム
130 ウォームホイール
131 内周部
131a 内周部本体
131b 膨出部
132 外周部
132a 外周部本体
132b スラスト受け部
201 第1部分
202 第2部分
140 シャフト
141 シャフト本体
142 当接部
143 第2クラッチディスク
Claims (6)
- フレームと、
前記フレームの下方に配置され、前記フレームによって上下揺動可能に支持されるドローバと、
前記ドローバに支持されるブレード旋回装置と、
前記ブレード旋回装置に支持されるブレードと、
を備え、
前記ブレード旋回装置は、前記ブレードを支持し、前記ドローバに回転可能に取り付けられるサークルと、前記サークルを回転駆動するためのサークル回転機と、を有し、
前記サークル回転機は、ウォームと、前記ウォームと噛み合うウォームホイールと、前記ウォームホイールに挿通されるシャフトと、を有し、
前記ウォームホイールは、前記シャフトを取り囲む内周部と、前記内周部の外側を取り囲み、前記ウォームと噛み合う外周部と、前記内周部の内周面にスプライン結合された複数の第1クラッチディスクと、を含み、
前記シャフトは、シャフト本体と、前記シャフト本体の外周面にスプライン結合され、前記複数の第1クラッチディスクの間にそれぞれ挟まれる複数の第2クラッチディスクと、を含み、
前記内周部は、前記外周部よりも硬い材料によって構成されている、
モータグレーダ。 - 前記外周部は、前記内周部の外側を取り囲む外周部本体と、前記外周部本体から内側に延び、前記内周部の下方に配置されるスラスト受け部と、を有し、
前記シャフトは、前記シャフト本体から外側に延び、前記スラスト受け部の下方に配置される当接部を有する、
請求項1に記載のモータグレーダ。 - 前記内周部は、環板状の内周部本体と、前記内周部本体から外側下方に膨出する膨出部を有し、
前記外周部は、前記膨出部の上端部の上側を覆う第1部分と、前記膨出部の下端部の内側を覆う第2部分と、を有する、
請求項1又は2に記載のモータグレーダ。 - 前記シャフトの中心軸を通る平面で切断した前記内周部の断面において、前記内周部本体の外周縁を示す第1外縁線と前記内周部本体の下縁を示す第2外縁線は、前記第1外縁線と前記第2外縁線の中央を通る基準線を中心として略対称であり、
前記基準線に直交する方向において、前記内周部本体の幅は、前記膨出部に近づくに従って徐々に小さくなっており、
前記基準線に直交する方向において、前記膨出部の幅は、前記内周部本体から離れるに従って徐々に大きくなっている、
請求項3に記載のモータグレーダ。 - 前記内周部は、鋳鉄によって構成される、
請求項1乃至4のいずれかに記載のモータグレーダ。 - 前記外周部は、銅アルミニウム合金によって構成される、
請求項1乃至5のいずれかに記載のモータグレーダ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/066607 WO2014203309A1 (ja) | 2013-06-17 | 2013-06-17 | モータグレーダ |
JP2015522386A JP6042982B2 (ja) | 2013-06-17 | 2013-06-17 | モータグレーダ |
US14/781,442 US9644341B2 (en) | 2013-06-17 | 2013-06-17 | Motor grader |
CN201380075543.3A CN105102727B (zh) | 2013-06-17 | 2013-06-17 | 平地机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/066607 WO2014203309A1 (ja) | 2013-06-17 | 2013-06-17 | モータグレーダ |
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WO2014203309A1 true WO2014203309A1 (ja) | 2014-12-24 |
Family
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PCT/JP2013/066607 WO2014203309A1 (ja) | 2013-06-17 | 2013-06-17 | モータグレーダ |
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US (1) | US9644341B2 (ja) |
JP (1) | JP6042982B2 (ja) |
CN (1) | CN105102727B (ja) |
WO (1) | WO2014203309A1 (ja) |
Cited By (1)
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JPWO2019207694A1 (ja) * | 2018-04-25 | 2021-03-18 | 株式会社小松製作所 | モータグレーダの作業機 |
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US9540787B2 (en) * | 2014-10-15 | 2017-01-10 | Deere & Company | Motor graders and circle drives associated with the same |
US10400425B2 (en) * | 2016-10-13 | 2019-09-03 | Deere & Company | Transport control for work vehicles |
US10745885B2 (en) * | 2017-12-14 | 2020-08-18 | Caterpillar Inc. | System for operating a circle drive gear of a machine |
US11230820B2 (en) * | 2019-02-14 | 2022-01-25 | Caterpillar Inc. | Circle drive system for a grading machine |
US11492779B2 (en) * | 2019-05-22 | 2022-11-08 | Caterpillar Inc. | Circle drive system for a grading machine |
US11453996B2 (en) * | 2019-08-20 | 2022-09-27 | Caterpillar Inc. | Sealing assembly |
US11976716B2 (en) * | 2019-08-30 | 2024-05-07 | Caterpillar Inc. | Seal assembly for a grading machine |
US11898320B2 (en) * | 2019-10-25 | 2024-02-13 | Caterpillar Inc. | Circle drive system for a grading machine |
US11585411B2 (en) * | 2019-11-11 | 2023-02-21 | Deere & Company | Torque dividing arrangement for a circle drive |
CN113309159A (zh) * | 2020-02-27 | 2021-08-27 | 山东交通学院 | 一种基于回转平动机构的平地机刮土工作装置 |
US11578471B2 (en) * | 2020-08-17 | 2023-02-14 | Caterpillar Inc. | Circle drive system with clutch protection in motor graders |
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- 2013-06-17 CN CN201380075543.3A patent/CN105102727B/zh not_active Expired - Fee Related
- 2013-06-17 JP JP2015522386A patent/JP6042982B2/ja active Active
- 2013-06-17 US US14/781,442 patent/US9644341B2/en not_active Expired - Fee Related
- 2013-06-17 WO PCT/JP2013/066607 patent/WO2014203309A1/ja active Application Filing
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Cited By (3)
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JPWO2019207694A1 (ja) * | 2018-04-25 | 2021-03-18 | 株式会社小松製作所 | モータグレーダの作業機 |
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JP7138097B2 (ja) | 2018-04-25 | 2022-09-15 | 株式会社小松製作所 | モータグレーダの作業機 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2014203309A1 (ja) | 2017-02-23 |
US20160024750A1 (en) | 2016-01-28 |
CN105102727B (zh) | 2017-03-08 |
CN105102727A (zh) | 2015-11-25 |
US9644341B2 (en) | 2017-05-09 |
JP6042982B2 (ja) | 2016-12-14 |
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