KR20200043971A - 쇼벨 - Google Patents
쇼벨 Download PDFInfo
- Publication number
- KR20200043971A KR20200043971A KR1020207000241A KR20207000241A KR20200043971A KR 20200043971 A KR20200043971 A KR 20200043971A KR 1020207000241 A KR1020207000241 A KR 1020207000241A KR 20207000241 A KR20207000241 A KR 20207000241A KR 20200043971 A KR20200043971 A KR 20200043971A
- Authority
- KR
- South Korea
- Prior art keywords
- operator
- operated
- lever
- hand
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- E02F9/2025—Particular purposes of control systems not otherwise provided for
-
- 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
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
-
- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- 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
- E02F9/2004—Control mechanisms, e.g. control levers
-
- 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
- E02F9/2267—Valves or distributors
-
- 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
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- 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
- E02F9/24—Safety devices, e.g. for preventing overload
-
- 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
- E02F9/26—Indicating devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
Description
도 2는 도 1의 쇼벨에 탑재되는 운전실의 내부의 측면도이다.
도 3은 도 2의 운전실의 내부의 상면도이다.
도 4는 도 1의 쇼벨에 탑재되는 제어 시스템의 구성예를 나타내는 도이다.
도 5는 제한해제처리의 플로차트이다.
도 6은 도 2의 운전실의 내부의 상면도이다.
도 7은 도 1의 쇼벨에 탑재되는 제어시스템의 다른 구성예를 나타내는 도이다.
도 8은 조작시스템의 구성예를 나타내는 도이다.
도 9는 조작시스템의 다른 구성예를 나타내는 도이다.
1L 좌측주행용 유압모터
1R 우측주행용 유압모터
2 선회기구
2A 선회용 유압모터
3 상부선회체
4 붐
5 암
6 버킷
7 붐실린더
8 암실린더
9 버킷실린더
10 운전실
11 엔진
14 메인펌프
15 파일럿펌프
17 컨트롤밸브
26 조작장치
26L 좌측조작레버
26R 우측조작레버
26DL 좌측주행레버
26DR 우측주행레버
26PL 좌측주행페달
26PR 우측주행페달
29 조작압센서
29L 좌측조작압센서
29R 우측조작압센서
29DL 좌측주행압센서
29DR 우측주행압센서
30 컨트롤러
50 게이트로크밸브
51 전환밸브
100 제어시스템
171~178 제어밸브
D1 게이트로크레버
D2 표시장치
D3 촬상장치
DS 운전석
Claims (10)
- 하부주행체와,
상기 하부주행체에 선회 가능하게 탑재되는 상부선회체와,
상기 상부선회체에 탑재되는 운전실과,
상기 운전실 내에 설치되는 조작장치와,
상기 조작장치에 의하여 구동되는 액추에이터와,
상기 액추에이터의 움직임을 제한 가능한 제어장치를 갖고,
상기 제어장치는, 상기 조작장치가 조작자의 손으로 조작되고 있는지 여부에 따라, 상기 액추에이터의 움직임에 관한 제한의 필요 여부를 판단하는, 쇼벨. - 제1항에 있어서,
상기 제어장치는, 상기 운전실 내에 장착된 하나 또는 복수의 카메라의 출력에 근거하여 상기 조작장치가 조작자의 손으로 조작되고 있는지 여부를 판정하는, 쇼벨. - 제1항에 있어서,
상기 제어장치는, 상기 조작장치의 조작에 따라 생성되는 파일럿압을 저감시킴으로써 상기 액추에이터의 움직임을 제한하는, 쇼벨. - 제3항에 있어서,
상기 파일럿압을 저감시키는 것은, 게이트로크밸브에 의하여 실현되는, 쇼벨. - 제3항에 있어서,
상기 파일럿압을 저감시키는 것은, 게이트로크밸브 이외의 밸브에 의하여 실현되는, 쇼벨. - 제1항에 있어서,
상기 제어장치는, 주행페달이 조작자의 발로 조작되고 있는지 여부에 따라, 상기 주행페달에 의한 상기 액추에이터의 움직임의 제한의 필요 여부를 판단하는, 쇼벨. - 제1항에 있어서,
파일럿압생성장치와 제어밸브의 사이에 설치되는 전환밸브를 갖고,
상기 조작장치의 조작에 따라 생성되는 파일럿압은, 상기 전환밸브에 의하여 제어되는, 쇼벨. - 제1항에 있어서,
파일럿압생성장치와 제어밸브의 사이에 설치되는 비례감압밸브를 갖고,
상기 제어장치는, 상기 비례감압밸브를 제어하여 상기 액추에이터의 움직임을 제한하는, 쇼벨. - 제1항에 있어서,
상기 제어장치는, 상기 조작장치가 조작자의 손으로 조작되고 있다고 판정할 때까지는 상기 액추에이터의 움직임을 제한하도록 구성되어 있는, 쇼벨. - 제1항에 있어서,
상기 제어장치는, 상기 조작장치가 조작자의 손으로 조작되고 있지 않다고 판정할 때까지는 상기 액추에이터의 움직임을 제한하지 않도록 구성되어 있는, 쇼벨.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2017-160251 | 2017-08-23 | ||
| JP2017160251 | 2017-08-23 | ||
| PCT/JP2018/031039 WO2019039522A1 (ja) | 2017-08-23 | 2018-08-22 | ショベル |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200043971A true KR20200043971A (ko) | 2020-04-28 |
| KR102550947B1 KR102550947B1 (ko) | 2023-07-03 |
Family
ID=65439081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207000241A Active KR102550947B1 (ko) | 2017-08-23 | 2018-08-22 | 쇼벨 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11299867B2 (ko) |
| EP (1) | EP3674486B1 (ko) |
| JP (1) | JP7178349B2 (ko) |
| KR (1) | KR102550947B1 (ko) |
| CN (1) | CN110869566A (ko) |
| WO (1) | WO2019039522A1 (ko) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113544339B (zh) * | 2019-03-29 | 2024-03-08 | 住友建机株式会社 | 挖土机 |
| US12545564B2 (en) | 2019-06-07 | 2026-02-10 | Manitou Bf | Load handling machine, mechanical shovel, bucket loader or the like, and method for controlling a load handling machine |
| JP7188289B2 (ja) * | 2019-06-24 | 2022-12-13 | 株式会社豊田自動織機 | バッテリ式産業車両 |
| KR20220042059A (ko) * | 2019-08-08 | 2022-04-04 | 스미토모 겐키 가부시키가이샤 | 쇼벨 |
| JP7324654B2 (ja) * | 2019-08-23 | 2023-08-10 | 川崎重工業株式会社 | 建設機械の油圧システム |
| CN110747932B (zh) * | 2019-10-18 | 2022-01-11 | 广西柳工机械股份有限公司 | 挖掘机控制系统及方法 |
| JP7291645B2 (ja) * | 2020-01-31 | 2023-06-15 | 株式会社小松製作所 | 作業機械の誤操作を防止するためのシステム、制御方法、およびショベル |
| CN111501890A (zh) * | 2020-05-06 | 2020-08-07 | 三一重机有限公司 | 一种挖掘机监控系统及挖掘机 |
| JP7443955B2 (ja) * | 2020-06-24 | 2024-03-06 | コベルコ建機株式会社 | 作業機械、作業支援システム |
| JP7661859B2 (ja) | 2021-09-30 | 2025-04-15 | コベルコ建機株式会社 | 作業機械 |
| SE547043C2 (en) | 2023-05-04 | 2025-04-08 | Husqvarna Ab | A hydraulic system with a functional safety feature for demolition robots |
| EP4517009A1 (en) | 2023-09-01 | 2025-03-05 | Yanmar Holdings Co., Ltd. | Work machine control method, work machine control program, work machine control system, and work machine |
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2018
- 2018-08-22 CN CN201880045855.2A patent/CN110869566A/zh active Pending
- 2018-08-22 JP JP2019537664A patent/JP7178349B2/ja active Active
- 2018-08-22 EP EP18847718.6A patent/EP3674486B1/en active Active
- 2018-08-22 KR KR1020207000241A patent/KR102550947B1/ko active Active
- 2018-08-22 WO PCT/JP2018/031039 patent/WO2019039522A1/ja not_active Ceased
-
2020
- 2020-02-03 US US16/779,808 patent/US11299867B2/en active Active
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| JP2010250459A (ja) * | 2009-04-14 | 2010-11-04 | Caterpillar Sarl | 建設機械における誤作動防止装置 |
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| JP2013249849A (ja) * | 2012-05-30 | 2013-12-12 | Kobe Steel Ltd | 作業機械の油圧制御装置 |
| WO2016152700A1 (ja) * | 2015-03-20 | 2016-09-29 | 住友建機株式会社 | ショベル |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102550947B1 (ko) | 2023-07-03 |
| WO2019039522A1 (ja) | 2019-02-28 |
| EP3674486A4 (en) | 2020-07-29 |
| US11299867B2 (en) | 2022-04-12 |
| EP3674486B1 (en) | 2021-11-24 |
| CN110869566A (zh) | 2020-03-06 |
| EP3674486A1 (en) | 2020-07-01 |
| JPWO2019039522A1 (ja) | 2020-09-17 |
| JP7178349B2 (ja) | 2022-11-25 |
| US20200173143A1 (en) | 2020-06-04 |
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