DE69121565T2 - Schildhöhensteuerungsvorrichtung für kettenfahrzeuge - Google Patents

Schildhöhensteuerungsvorrichtung für kettenfahrzeuge

Info

Publication number
DE69121565T2
DE69121565T2 DE69121565T DE69121565T DE69121565T2 DE 69121565 T2 DE69121565 T2 DE 69121565T2 DE 69121565 T DE69121565 T DE 69121565T DE 69121565 T DE69121565 T DE 69121565T DE 69121565 T2 DE69121565 T2 DE 69121565T2
Authority
DE
Germany
Prior art keywords
control device
height control
shield height
chain vehicles
vehicles
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.)
Expired - Fee Related
Application number
DE69121565T
Other languages
English (en)
Other versions
DE69121565D1 (de
Inventor
Tetsuya Nakayama
Toshihiko Kohda
Tatsuro Nakazato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2107851A external-priority patent/JPH0794739B2/ja
Priority claimed from JP2107852A external-priority patent/JP2646282B2/ja
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Publication of DE69121565D1 publication Critical patent/DE69121565D1/de
Application granted granted Critical
Publication of DE69121565T2 publication Critical patent/DE69121565T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • E02F3/80—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
    • E02F3/845—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically using mechanical sensors to determine the blade position, e.g. inclinometers, gyroscopes, pendulums
    • 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
DE69121565T 1990-04-24 1991-04-24 Schildhöhensteuerungsvorrichtung für kettenfahrzeuge Expired - Fee Related DE69121565T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2107851A JPH0794739B2 (ja) 1990-04-24 1990-04-24 装軌車両のブレード高さ制御装置
JP2107852A JP2646282B2 (ja) 1990-04-24 1990-04-24 装軌車両のブレード高さ制御装置
PCT/JP1991/000553 WO1991016506A1 (en) 1990-04-24 1991-04-24 Device for controlling height of blade of tracked vehicle

Publications (2)

Publication Number Publication Date
DE69121565D1 DE69121565D1 (de) 1996-09-26
DE69121565T2 true DE69121565T2 (de) 1997-03-20

Family

ID=26447824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121565T Expired - Fee Related DE69121565T2 (de) 1990-04-24 1991-04-24 Schildhöhensteuerungsvorrichtung für kettenfahrzeuge

Country Status (4)

Country Link
US (1) US5538084A (de)
EP (1) EP0526639B1 (de)
DE (1) DE69121565T2 (de)
WO (1) WO1991016506A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5810095A (en) * 1996-07-25 1998-09-22 Case Corporation System for controlling the position of an implement attached to a work vehicle
US6112839A (en) * 1997-05-08 2000-09-05 Case Corporation Automatic remote auxiliary implement control
US5994865A (en) * 1997-12-22 1999-11-30 Caterpillar Inc. Apparatus and method for control of an earth moving implement
SE531309C2 (sv) * 2006-01-16 2009-02-17 Volvo Constr Equip Ab Styrsystem för en arbetsmaskin och förfarande för styrning av en hydraulcylinder hos en arbetsmaskin
US8275524B2 (en) 2009-12-23 2012-09-25 Caterpillar Inc. System and method for limiting operator control of an implement
US9222236B2 (en) * 2013-03-08 2015-12-29 Komatsu Ltd. Bulldozer and blade control method
CA2978389A1 (en) * 2016-09-08 2018-03-08 Harnischfeger Technologies, Inc. System and method for semi-autonomous control of an industrial machine
US10151078B1 (en) 2017-05-23 2018-12-11 Caterpillar Trimble Control Technologies Llc Blade control below design
CN109790696B (zh) * 2017-08-08 2021-06-22 株式会社小松制作所 作业车辆的控制系统、方法、以及作业车辆

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54150802A (en) * 1978-05-16 1979-11-27 Komatsu Mfg Co Ltd Blade automatic controller of bulldozer and its method
US4343365A (en) * 1980-07-07 1982-08-10 Ford Motor Company Electrically operated hydraulic power lift system
JPS57100233A (en) * 1980-12-09 1982-06-22 Komatsu Ltd Laser leveller
JPS5891231A (ja) * 1981-11-25 1983-05-31 Komatsu Ltd ブレ−ド制御装置

Also Published As

Publication number Publication date
EP0526639B1 (de) 1996-08-21
WO1991016506A1 (en) 1991-10-31
DE69121565D1 (de) 1996-09-26
EP0526639A4 (en) 1993-05-12
EP0526639A1 (de) 1993-02-10
US5538084A (en) 1996-07-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee