JPS55119837A - Straight digging control device for working machine - Google Patents
Straight digging control device for working machineInfo
- Publication number
- JPS55119837A JPS55119837A JP2697579A JP2697579A JPS55119837A JP S55119837 A JPS55119837 A JP S55119837A JP 2697579 A JP2697579 A JP 2697579A JP 2697579 A JP2697579 A JP 2697579A JP S55119837 A JPS55119837 A JP S55119837A
- Authority
- JP
- Japan
- Prior art keywords
- angle
- bucket
- phi0
- deltaphi
- lighting
- 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.)
- Pending
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
- E02F3/28—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
- E02F3/437—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
PURPOSE:To simplify the constitution of a controlling system without lowering the accuracy of finish by a device wherein a boom alone is automatically controlled by the operation of an arm, while a bucket being manually controlled for the correction of the angle thereof. CONSTITUTION:An operating circuit 61 for the angle of the blade-edge of a bucket determines an angle phi based on the angles of boom, arm and bucket detected. A register 62 stores the detected value of the angle phi0 of the blade-edge of the bucket on starting digging. A comparator 65 compares the angle phi of the bucket with the angles phi0+DELTAphi and phi0-DELTAphi which are limits of the allowable area and, when the angle is expressed as phi0-DELTAphi<phi<phi0+DELTAphi, no signal is delivered to either of output lines l1 and l2, on the basis that the angle is within the allowable range. When the angle of the bucket exceeds the upper or lower limit of the allowable value, a signal is delivered and lamps 66 and 67 are connected to the lines l1 and l2, so as to give information to an operator by lighting. The lighting of the lamp 66 is to instruct to rotate the bucket 3 toward the direction of damping, while that of the lamp 67 instructs toward the direction of tilting, and thereby a manual operation is conducted until the lighting is out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2697579A JPS55119837A (en) | 1979-03-08 | 1979-03-08 | Straight digging control device for working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2697579A JPS55119837A (en) | 1979-03-08 | 1979-03-08 | Straight digging control device for working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55119837A true JPS55119837A (en) | 1980-09-13 |
Family
ID=12208152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2697579A Pending JPS55119837A (en) | 1979-03-08 | 1979-03-08 | Straight digging control device for working machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55119837A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61270421A (en) * | 1985-05-24 | 1986-11-29 | Sumitomo Heavy Ind Ltd | Plane excavating and shaping control device of hydraulic shovel |
| JPS6414431A (en) * | 1987-07-06 | 1989-01-18 | Kobe Steel Ltd | Linear excavation controller for oil-pressure shovel |
| JPS6414430A (en) * | 1987-07-06 | 1989-01-18 | Kobe Steel Ltd | Control on excavation by oil-pressure shovel |
| JPH1088610A (en) * | 1996-09-10 | 1998-04-07 | Yanmar Diesel Engine Co Ltd | Control method for electronic control type working vehicle |
| US8554423B2 (en) | 2005-06-03 | 2013-10-08 | Hitachi Construction Machinery Co., Ltd. | Automatic transmission device for wheel loader and wheel loader |
-
1979
- 1979-03-08 JP JP2697579A patent/JPS55119837A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61270421A (en) * | 1985-05-24 | 1986-11-29 | Sumitomo Heavy Ind Ltd | Plane excavating and shaping control device of hydraulic shovel |
| JPS6414431A (en) * | 1987-07-06 | 1989-01-18 | Kobe Steel Ltd | Linear excavation controller for oil-pressure shovel |
| JPS6414430A (en) * | 1987-07-06 | 1989-01-18 | Kobe Steel Ltd | Control on excavation by oil-pressure shovel |
| JPH0745743B2 (en) * | 1987-07-06 | 1995-05-17 | 株式会社神戸製鋼所 | Linear excavation control device for hydraulic excavator |
| JPH0745742B2 (en) * | 1987-07-06 | 1995-05-17 | 株式会社神戸製鋼所 | Excavation control method for hydraulic excavator |
| JPH1088610A (en) * | 1996-09-10 | 1998-04-07 | Yanmar Diesel Engine Co Ltd | Control method for electronic control type working vehicle |
| US8554423B2 (en) | 2005-06-03 | 2013-10-08 | Hitachi Construction Machinery Co., Ltd. | Automatic transmission device for wheel loader and wheel loader |
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