WO2013100521A1 - 건설중장비용 병렬 링키지 타입 작업장치 - Google Patents
건설중장비용 병렬 링키지 타입 작업장치 Download PDFInfo
- Publication number
- WO2013100521A1 WO2013100521A1 PCT/KR2012/011385 KR2012011385W WO2013100521A1 WO 2013100521 A1 WO2013100521 A1 WO 2013100521A1 KR 2012011385 W KR2012011385 W KR 2012011385W WO 2013100521 A1 WO2013100521 A1 WO 2013100521A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parallel
- rotatably connected
- lever
- bucket
- cylinder
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims 3
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
- E02F3/3405—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
- E02F3/3408—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism of the parallelogram-type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
- E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2271—Actuators and supports therefor and protection therefor
Definitions
- the present invention relates to a parallel linkage type work device for heavy construction equipment, and more particularly, even if the work tool (for example, a bucket) is lifted by a lift arm, the work tool prevents the tilting phenomenon that the work tool is inclined inward.
- This invention relates to a parallel linkage type work device for heavy construction equipment which can reduce the amount of change in posture by height and increase the force in ground posture (eg, digging force).
- the present invention is similar to the general working environment that the main angle specifications for manipulating the linkage has been used in the past, parallel linkage type work device for heavy construction equipment that can be used immediately for the first-time workers without additional training or discomfort It is about.
- the work device is a linkage operated by a hydraulic device and the linkage. It contains a work tool, such as a bucket, connected to it.
- the work tool is used to excavate or scoop up work objects such as soil, fertilizer, and snow, and when the work tool is lifted by the lift arm, it performs a variety of tasks such as dumping. To do it.
- the present invention has been proposed to solve the problems described above, even if the work tool is lifted by the lift arm to prevent the tilting of the work tool inclined inward to reduce the amount of posture change by height of the work tool It is intended to provide a parallel linkage type work device for heavy construction equipment which can increase the force in posture.
- the present invention is similar to the general working environment that the main angle specifications for manipulating the linkage has been used in the past, parallel linkage type for heavy equipment for construction that can be used immediately by first-time workers without additional training or dissimilarity To provide a working device.
- the parallel linkage type work device for heavy equipment includes a base frame connected to the front of the traveling device; Side brackets provided on both upper sides of the base frame; A lift arm having one end rotatably connected to an upper portion of the side bracket and the other end rotatably connected to a bucket; A lift cylinder having one end rotatably connected to a lower portion of the side bracket, and the other end rotatably connected to a longitudinal center side of the lift arm; A center bracket provided at an upper center side of the base frame; A parallel link, one end of which is pivotally connected to the center bracket; A parallel lever lower part rotatably connected to the other end of the parallel link; A bucket cylinder having one end rotatably connected to an upper portion of the parallel lever; A tilt lever rotatably connected to an upper end of the bucket cylinder and rotatably connected to the bucket through a push link; And a connecting shaft portion having one end rotatably connected to the center side of the parallel lever and the other end rotatably connected to the bucket through a push link
- the connecting shaft portion and the fixed shaft both ends fixed to the pair of lift arms, respectively; One end connected to the fixed shaft rotatably, and the other end connected to the center side of the parallel lever rotatably; And second connecting shafts provided on both sides of the first connecting shaft, one end of which is rotatably connected to the fixed shaft, and the other end of which is rotatably connected to the center side of the tilt lever.
- the parallel lever has an isosceles triangular cross-section, and the parallel link, the bucket cylinder and the first connecting shaft are rotatably connected to the vertices of the isosceles triangle, respectively.
- the lift cylinder and the bucket cylinder are respectively installed so that the cylinder rods face the front side toward the bucket, and the working hydraulic pressure is supplied to the cylinder head side.
- the parallel lever and the parallel link acts so that the work tool does not bend inwardly, even if the work tool is raised, the work tool is prevented from tilting toward the inside to prevent tilting. Helps reduce posture changes.
- 1 is an example showing a conventional heavy equipment for operating the work tool by the linkage.
- Figure 2 is another example showing a conventional heavy equipment for operating the work tool by the linkage.
- Figure 3 is a perspective view showing a parallel linkage type work device for heavy equipment according to the present invention.
- Figure 4 is a side perspective view showing a parallel linkage type work device for construction equipment according to the present invention.
- FIG. 5 is a perspective view showing a cylinder of the parallel linkage type work device for heavy equipment according to the present invention.
- Figure 6 is a continuous diagram showing the operating state of the parallel linkage type work device for construction equipment according to the present invention.
- a bucket will be described as an example of a work tool operated by a parallel linkage, and a wheel loader among various heavy equipment will be described as an example.
- the present invention is not limited thereto, and it will be apparent that various things, including forks, may be used as work tools, and that the present invention may be applied to various equipment such as shovel-based heavy equipment as construction equipment.
- the parallel linkage type work device for heavy equipment is configured to raise or lower the bucket (B) as a work tool base frame 110, side brackets 111 and , Lift arm 120 and lift cylinder 130.
- the connecting shaft portions 181, 182, and 183 may include a fixed shaft 181, a first connecting shaft 182, and a second connecting shaft 183.
- the base frame 110 is a part connected to the front of the wheel loader having a driving device and a driver's seat, and usually has a steering bracket at the rear end so as to be rotatably connected to the front of the wheel loader. have.
- the work device having the above configuration is rotated from the front of the wheel loader to the left and right directions by the designed angle, and supports the work device.
- Side brackets 111 are provided on both sides of the upper portion of the base frame 110, for example, a bracket consisting of approximately 'c' is formed in a long shape extending in the vertical direction and the opening is fixed to face the front. .
- a rotation bracket is inserted and fixed to the upper and lower portions to which the lift arm 120 and the lift cylinder 130 are connected, respectively, so that the lift arm 120 and the lift cylinder 130 are disposed on the upper and lower portions of the side brackets 111. Are rotatably connected respectively.
- the lift arm 120 receives power from the lift cylinder 130 and raises or lowers the bucket B.
- the lift arms 120 are connected to side brackets 111 fixed to both sides of the base frame 110, respectively. Silver is rotatably connected to the upper side of the side bracket 111, the other end is rotatably connected to the bucket (B).
- the lift arm 120 is, for example, made of an 'S' shape that is elongated and long.
- the lift cylinder 130 is a hydraulic cylinder is used to operate the lift arm 120, one end is rotatably connected to the lower side of the side bracket 111, the other end is in the longitudinal center side of the lift arm 120 It is connected rotatably.
- Lift cylinder 130 also consists of a pair to operate a pair of lift arms 120, respectively.
- the cylinder head side of the lift cylinder 130 is connected to the side bracket 111 as the one end, and the front end of the cylinder rod withdrawn from the cylinder is connected to the lift arm 120 as the other end.
- the hydraulic pressure for drawing out the cylinder rod is supplied to the cylinder head side.
- the cylinder rod side has a smaller space inside the cylinder by the volume of the cylinder rod than the cylinder head side. Therefore, when the hydraulic pressure is supplied to the cylinder head side, the flow rate that can be supplied at a time is much higher than that when the hydraulic pressure is supplied to the cylinder rod side, thereby providing a stronger force.
- the lift cylinder 130 is connected to the bent portion formed at the center side of the lift arm 120 formed in the 'S' shape, and when the cylinder rod of the lift cylinder 130 is drawn out, the lift arm 120 has a stronger force. To push.
- the center bracket 112 is provided at the upper center side of the base frame 110 and is disposed between the side brackets 111, and a hinge bracket is fixed therein so that the parallel link 140 is inserted into the hinge bracket and then rotated. Assembling the pin rotatably supports the parallel link 140.
- One end of the parallel link 140 is rotatably connected to the center bracket 112, and the other end of the parallel link 140 is rotatably connected to the lower portion of the parallel lever 150.
- the parallel lever 150 is to link the bucket cylinder 160 and the bucket (B), the other end of the parallel link 140 is rotatably connected to the lower portion of the parallel lever 150 on the basis of the drawings, the upper bucket
- the head side of the cylinder 160 is rotatably connected, and a first connecting shaft 182 of the connecting shaft portions 181, 182, and 183 is rotatably connected to the central axis thereof.
- the parallel lever 150 has a side surface having an approximately isosceles triangle shape, wherein the parallel link 140 and the first connecting shaft 182 of the bucket cylinder 160 and the connecting shaft portions 181, 182, and 183 are provided. These are rotatably connected to each of the vertices, so that they are linked to each other stably.
- the bucket cylinder 160 is used to adjust the angle of the bucket (B) to take an excavation posture or dump posture, a hydraulic cylinder is used, one end is rotatably connected to the upper portion of the parallel lever 150 as described above And, the other end is rotatably connected to the upper portion of the tilt lever 170.
- the bucket cylinder 160 is also connected to the parallel lever 150 with the cylinder head side as the one end, and the tip of the cylinder rod drawn out from the cylinder is connected to the tilt lever 170 as the other end.
- the working hydraulic pressure is supplied to the cylinder head side to provide a stronger force.
- the tilt lever 170 serves as a lever to transfer the power of the bucket cylinder 160 to the bucket B, the upper portion of which is rotatably connected to the other end of the bucket cylinder 160, the lower portion of the push link ( It is rotatably connected to the bucket B via 171. That is, the push link 171 is pivotally connected to the lower portion of the tilt lever 170, and the push link 171 is pivotally connected to the bucket B.
- the connecting shafts 181, 182, and 183 rotatably support the tilt lever 170, one end of which is rotatably connected near the center of the parallel lever 150, and the other end of the tilt lever 170. It is connected rotatably around the center.
- the connecting shaft portions 181, 182, and 183 are formed of, for example, a fixed shaft 181, a first connecting shaft 182, and a second connecting shaft 183, and both ends of the fixed shaft 181 are provided as a pair. Respectively fixed to the lift arm 120, the first connecting shaft 182 is fixed to the center side of the fixed shaft 181, and the second connecting shaft 183 is provided at both sides of the first connecting shaft 182. It is fixed to the fixed shaft 181.
- first connecting shaft 182 is fixed to the fixed shaft 181
- the other end is rotatably connected to the center side of the parallel lever 150
- one end of the second connecting shaft 183 is fixed shaft It is fixed to 181
- the other end is rotatably connected to the center side of the tilt lever 170.
- the parallel link 140, the parallel lever 150, the bucket cylinder 160, and the connecting shafts 181, 182, and 183 connected to the lift arm 120 are connected.
- the tilt lever 170 also rises or falls together.
- the parallel link 140 and the parallel lever 150 are automatically folded according to the rising angle, so that the bucket B is inclined inward when raised. Since tilting (or 'crowd') is prevented, the bucket B is always horizontal to the working surface. That is, in the present invention, the amount of change in posture for each height of the bucket B is very small.
- the rising height can be determined based on the same criteria, thereby enabling precise height control.
- each of the tilt lever 170 and the parallel lever 150 is connected to the connecting shaft 181, 182, 183 so as to be independent rotation, parallel to the tilt lever 170 when the bucket cylinder 160 is driven. Since the posture of the lever 150 can be adjusted more precisely, the above effects can be further enhanced.
- the lift cylinder 130 is responsible for the lifting of the bucket (B)
- the bucket cylinder 160 is responsible for the angle of the bucket (B)
- the operation specifications and the working environment of the conventional wheel loader has been used conventionally
- first-time workers can be used immediately without additional training or heterogeneity.
- the present invention can be used in a parallel linkage type work device for heavy construction equipment that can reduce the tilt change by the height of the work tool by preventing the tilting phenomenon that the work tool is inclined inward.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Operation Control Of Excavators (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims (4)
- 주행장치의 전방에 연결되는 베이스 프레임(110)과;일단은 상기 베이스 프레임(110)에 회동 가능하게 연결되고, 타단은 버킷(B)에 회동 가능하게 연결된 리프트 암(120)과;일단은 상기 베이스 프레임(110)에 회동 가능하게 연결되고, 타단은 상기 리프트 암(120)의 길이 방향 중심측에 회동 가능하게 연결된 리프트 실린더(130)와;일단이 상기 베이스 프레임(110)에 회동 가능하게 연결된 병렬 링크(140)와;하부가 상기 병렬 링크(140)의 타단에 회동 가능하게 연결된 병렬 레버(150)와;일단이 상기 병렬 레버(150)의 상부에 회동 가능하게 연결된 버킷 실린더(160)와;상부는 상기 버킷 실린더(160)의 타단에 회동 가능하게 연결되고, 하부는 푸쉬 링크(171)를 통해 상기 버킷(B)에 회동 가능하게 연결되는 회동 가능하게 연결되는 틸트 레버(170); 및일단부는 상기 병렬 레버(150)의 중심측과 회동 가능하게 연결되고, 타단부는 상기 틸트 레버(170)의 중심측에 회동 가능하게 연결되는 연결축부(181, 182, 183);를 포함하는 것을 특징으로 하는 건설중장비용 병렬 링키지 타입 작업장치.
- 제1항에 있어서,상기 연결축부(181, 182, 183)는,양단이 상기 한 쌍의 리프트 암(120)에 각각 고정된 고정축(181)과;일단은 상기 고정축(181)에 고정되고, 타단은 상기 병렬 레버(150)의 중심측에 회동 가능하게 연결된 제1연결축(182); 및일단은 상기 고정축(181)에 고정되고, 타단은 상기 틸트 레버(170)의 중심측에 회동 가능하게 연결된 제2연결축(183);을 포함하는 것을 특징으로 하는 건설중장비용 병렬 링키지 타입 작업장치.
- 제2항에 있어서,상기 병렬 레버(150)는 측단면이 이등변 삼각형 형상으로 이루어져 있으며, 상기 병렬 링크(140)와, 버킷 실린더(160) 및 제1연결축(182)은 각각 상기 이등변 삼각형의 꼭지점 부근에 회동 가능하게 연결되어 있는 것을 특징으로 하는 건설중장비용 병렬 링키지 타입 작업장치.
- 제1항 내지 제3항 중 어느 하나의 항에 있어서,상기 병령 링크(140)와 상기 병렬 레버(150)는,상기 버켓 실린더(160)의 구동 없이 상기 리프트 암이 상승되면, 상기 병렬 링크(14)와 상기 베이스 프레임(110)의 연결부위와 상기 병렬 레버(15)와 상기 버켓 실린더(160)의 연결부위가 가까워지는 방향으로 상대 회동하는 것을 특징으로 하는 건설중장비용 병렬 링키지 타입 작업장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201280064936.XA CN104011298B (zh) | 2011-12-27 | 2012-12-24 | 重型工程机械用并列连杆型作业装置 |
EP12863324.5A EP2799626B1 (en) | 2011-12-27 | 2012-12-24 | Parallel linkage-type working apparatus for construction equipment |
JP2014549983A JP5890041B2 (ja) | 2011-12-27 | 2012-12-24 | 建設重機用パラレルリンケージタイプの作業装置 |
US14/369,062 US9447560B2 (en) | 2011-12-27 | 2012-12-24 | Parallel linkage-type working apparatus for construction equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2011-0143636 | 2011-12-27 | ||
KR1020110143636A KR101778308B1 (ko) | 2011-12-27 | 2011-12-27 | 건설중장비용 병렬 링키지 타입 작업장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013100521A1 true WO2013100521A1 (ko) | 2013-07-04 |
Family
ID=48697890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/011385 WO2013100521A1 (ko) | 2011-12-27 | 2012-12-24 | 건설중장비용 병렬 링키지 타입 작업장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9447560B2 (ko) |
EP (1) | EP2799626B1 (ko) |
JP (1) | JP5890041B2 (ko) |
KR (1) | KR101778308B1 (ko) |
CN (1) | CN104011298B (ko) |
WO (1) | WO2013100521A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160230371A1 (en) * | 2015-02-06 | 2016-08-11 | Caterpillar Underground Mining Pty Ltd | Guard system for a sensing device |
SE541316C2 (sv) | 2017-10-31 | 2019-06-25 | Epiroc Rock Drills Ab | Lyftanordning och lastmaskin för underjordsapplikationer |
CN108301448B (zh) * | 2018-01-26 | 2019-08-20 | 广西柳工机械股份有限公司 | 装载机工作装置 |
CN110005000A (zh) * | 2019-03-22 | 2019-07-12 | 浙江工业大学 | 矿用液压挖掘机的斗杆结构 |
FR3140361A1 (fr) * | 2022-09-30 | 2024-04-05 | Antony BLIN | Bras Déployable |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4798512A (en) * | 1987-09-11 | 1989-01-17 | Deere & Company | Loader boom construction |
JP2001020310A (ja) * | 1999-07-12 | 2001-01-23 | Tcm Corp | ブーム装置 |
JP2002004321A (ja) * | 2000-05-10 | 2002-01-09 | Jc Bamford Excavators Ltd | 作業アームを有する機械 |
JP2004036153A (ja) * | 2002-07-01 | 2004-02-05 | Yanmar Agricult Equip Co Ltd | 作業車 |
KR20100057257A (ko) | 2008-11-21 | 2010-05-31 | 현대중공업 주식회사 | 휠 로더용 길이연장 작업장치 |
KR100998097B1 (ko) | 2006-03-29 | 2010-12-02 | 가부시끼 가이샤 구보다 | 휠 로더 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2645369A (en) * | 1950-03-15 | 1953-07-14 | Frederick W Allan | Power loader |
JPH0285423A (ja) | 1988-09-19 | 1990-03-26 | Komatsu Ltd | 作業機リンク機構 |
SE462624B (sv) * | 1988-12-06 | 1990-07-30 | Vme Ind Sweden Ab | Laenkarmsystem vid lastmaskiner |
JP3239059B2 (ja) * | 1995-12-18 | 2001-12-17 | 新キャタピラー三菱株式会社 | 建設機械 |
DE19702624A1 (de) * | 1997-01-25 | 1998-07-30 | Zettelmeyer Gmbh | Lademaschine mit einer Anlenkkinematik für verschiedene Anbaugeräte, insbesondere Radlager-Kinematik |
US6116847A (en) * | 1998-01-30 | 2000-09-12 | Caterpillar Inc. | Lift arm for a work machine having extended height and enhanced stability |
EP1650357B1 (en) * | 2003-07-30 | 2016-11-16 | Komatsu Ltd. | Working machine |
CN2659973Y (zh) * | 2003-12-08 | 2004-12-01 | 山东临沂工程机械股份有限公司 | 装载机高卸装置 |
DE112006000299B4 (de) * | 2005-01-31 | 2016-03-10 | Komatsu Ltd. | Arbeitsmaschine |
JP4956008B2 (ja) | 2006-01-13 | 2012-06-20 | 株式会社小松製作所 | 作業機械 |
CN201943096U (zh) * | 2010-12-28 | 2011-08-24 | 宁夏海辰机械有限公司 | 多用履带式装载机 |
US8843282B2 (en) | 2011-11-02 | 2014-09-23 | Caterpillar Inc. | Machine, control system and method for hovering an implement |
-
2011
- 2011-12-27 KR KR1020110143636A patent/KR101778308B1/ko active IP Right Grant
-
2012
- 2012-12-24 WO PCT/KR2012/011385 patent/WO2013100521A1/ko active Application Filing
- 2012-12-24 US US14/369,062 patent/US9447560B2/en active Active
- 2012-12-24 JP JP2014549983A patent/JP5890041B2/ja not_active Expired - Fee Related
- 2012-12-24 CN CN201280064936.XA patent/CN104011298B/zh not_active Expired - Fee Related
- 2012-12-24 EP EP12863324.5A patent/EP2799626B1/en not_active Not-in-force
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4798512A (en) * | 1987-09-11 | 1989-01-17 | Deere & Company | Loader boom construction |
JP2001020310A (ja) * | 1999-07-12 | 2001-01-23 | Tcm Corp | ブーム装置 |
JP2002004321A (ja) * | 2000-05-10 | 2002-01-09 | Jc Bamford Excavators Ltd | 作業アームを有する機械 |
JP2004036153A (ja) * | 2002-07-01 | 2004-02-05 | Yanmar Agricult Equip Co Ltd | 作業車 |
KR100998097B1 (ko) | 2006-03-29 | 2010-12-02 | 가부시끼 가이샤 구보다 | 휠 로더 |
KR20100057257A (ko) | 2008-11-21 | 2010-05-31 | 현대중공업 주식회사 | 휠 로더용 길이연장 작업장치 |
Also Published As
Publication number | Publication date |
---|---|
US20140341690A1 (en) | 2014-11-20 |
CN104011298A (zh) | 2014-08-27 |
KR20130075315A (ko) | 2013-07-05 |
EP2799626B1 (en) | 2017-11-29 |
EP2799626A4 (en) | 2015-12-30 |
EP2799626A1 (en) | 2014-11-05 |
CN104011298B (zh) | 2016-03-30 |
KR101778308B1 (ko) | 2017-09-27 |
US9447560B2 (en) | 2016-09-20 |
JP2015504991A (ja) | 2015-02-16 |
JP5890041B2 (ja) | 2016-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013100521A1 (ko) | 건설중장비용 병렬 링키지 타입 작업장치 | |
US5403144A (en) | Blade tilt assembly for a front end loader | |
EP1997964B1 (en) | Working machine with a rotatable cab | |
EP0657589A1 (en) | Structure of a clamshell bucket and a hydraulic control circuit thereof | |
EP1997962B1 (en) | Method of Operating a Working Machine with several tools | |
JPS62202130A (ja) | バックホウ | |
KR950011779A (ko) | 유압식 굴삭기 | |
JP2922778B2 (ja) | 作業機のカウンタウエイト脱着装置 | |
JP6257500B2 (ja) | フロント装置の移送台 | |
US11149403B2 (en) | Work attachment and work machine including the same | |
CN205000380U (zh) | 用于机器的机具系统 | |
WO2015064826A1 (ko) | 베일집게 | |
JPH078598Y2 (ja) | 作業用車両と作業機との連結構造 | |
EP4144922A1 (en) | A linkage arrangement for a working machine | |
JP3625130B2 (ja) | ロータリー耕耘装置のリヤカバー | |
JP4339061B2 (ja) | 吊下式アタッチメント着脱装置とハンドリング機 | |
JP3782331B2 (ja) | アースドリル | |
CN207228199U (zh) | 一种带有伸缩臂的矿用挖掘机械 | |
EP1997963B1 (en) | Method and device for transporting an implement on a working vehicle | |
JP7251267B2 (ja) | 連結ピン挿入装置 | |
JPH0247431A (ja) | フロントローダの作業装置連結用アダプタ | |
JPS592211Y2 (ja) | シヨベルロ−ダ | |
JPS6322499A (ja) | シヨベルロ−ダへのフオ−ク取付方法 | |
JP3764209B2 (ja) | 作業車用の作業装置 | |
JPS5833162Y2 (ja) | 作業車のアタッチメント連結構造 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201280064936.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12863324 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14369062 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2014549983 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2012863324 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012863324 Country of ref document: EP |