JPH0322486B2 - - Google Patents
Info
- Publication number
- JPH0322486B2 JPH0322486B2 JP16719083A JP16719083A JPH0322486B2 JP H0322486 B2 JPH0322486 B2 JP H0322486B2 JP 16719083 A JP16719083 A JP 16719083A JP 16719083 A JP16719083 A JP 16719083A JP H0322486 B2 JPH0322486 B2 JP H0322486B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- boom
- bucket
- valve
- floating
- 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
Links
- 238000005336 cracking Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16719083A JPS6059236A (ja) | 1983-09-09 | 1983-09-09 | フロントロ−ダのフロ−テイング自動遮断装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16719083A JPS6059236A (ja) | 1983-09-09 | 1983-09-09 | フロントロ−ダのフロ−テイング自動遮断装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6059236A JPS6059236A (ja) | 1985-04-05 |
JPH0322486B2 true JPH0322486B2 (en, 2012) | 1991-03-27 |
Family
ID=15845095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16719083A Granted JPS6059236A (ja) | 1983-09-09 | 1983-09-09 | フロントロ−ダのフロ−テイング自動遮断装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6059236A (en, 2012) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2863634A1 (fr) | 2003-12-16 | 2005-06-17 | Volvo Constr Equip Holding Se | Engin de travaux publics |
ITPR20040007A1 (it) * | 2004-02-06 | 2004-05-06 | Oleostar S P A | Sistema di sicurezza in apparati idraulici di comando di caricatori frontali di macchine operatrici durante le fasi di sollevamento e di stazionamento del carico. |
GB2593488B (en) * | 2020-03-24 | 2024-05-22 | Bamford Excavators Ltd | Hydraulic system |
-
1983
- 1983-09-09 JP JP16719083A patent/JPS6059236A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6059236A (ja) | 1985-04-05 |
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