JPH0337809U - - Google Patents
Info
- Publication number
- JPH0337809U JPH0337809U JP9805489U JP9805489U JPH0337809U JP H0337809 U JPH0337809 U JP H0337809U JP 9805489 U JP9805489 U JP 9805489U JP 9805489 U JP9805489 U JP 9805489U JP H0337809 U JPH0337809 U JP H0337809U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- hydraulic pressure
- hydraulic actuator
- tractor
- work machine
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Harvesting Machines For Root Crops (AREA)
Description
第１図は本考案に係る電気回路を示す図、第２
図はその油圧回路を示す図、第３図は本考案を適
用したトラクタを示す全体側面図、第４図は本考
案の他の実施例に係る電気回路を示す図である。
１……トラクタ、２……油圧アクチユエータ（
作業機昇降用油圧シリンダ）、３……作業機（芋
掘取機）、５……油圧供給手段、６……対地距離
検出手段（超音波センサ）、７……上昇制御手段
。
Figure 1 is a diagram showing the electric circuit according to the present invention, Figure 2 is a diagram showing the electric circuit according to the present invention.
3 is a diagram showing the hydraulic circuit thereof, FIG. 3 is an overall side view showing a tractor to which the present invention is applied, and FIG. 4 is a diagram showing an electric circuit according to another embodiment of the present invention. 1...Tractor, 2...Hydraulic actuator (
Hydraulic cylinder for lifting and lowering the working machine), 3... Working machine (potato digging machine), 5... Hydraulic pressure supply means, 6... Ground distance detection means (ultrasonic sensor), 7... Lift control means.
Claims (1)
るように構成してなるトラクタにおいて、 前記油圧アクチユエータに、所定時間毎に油圧
を供給する油圧供給手段と、 前記トラクタと地面との距離を検出する対地距
離検出手段と、 該対地距離検出手段の検出値が減少した場合、
前記油圧供給手段に優先して前記油圧アクチユエ
ータに油圧を供給して前記作業機を上昇する上昇
制御手段と、 を備えてなる、トラクタにおける作業機制御装置
。[Claims for Utility Model Registration] A tractor configured to raise and lower a working machine by operating a hydraulic actuator, comprising: hydraulic supply means for supplying hydraulic pressure to the hydraulic actuator at predetermined intervals; ground distance detection means for detecting the distance from
A work machine control device for a tractor, comprising: a lift control means for raising the work machine by supplying hydraulic pressure to the hydraulic actuator with priority over the hydraulic pressure supply means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9805489U JPH0739373Y2 (en) | 1989-08-23 | 1989-08-23 | Work implement control device for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9805489U JPH0739373Y2 (en) | 1989-08-23 | 1989-08-23 | Work implement control device for tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0337809U true JPH0337809U (en) | 1991-04-12 |
| JPH0739373Y2 JPH0739373Y2 (en) | 1995-09-13 |
Family
ID=31647171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9805489U Expired - Lifetime JPH0739373Y2 (en) | 1989-08-23 | 1989-08-23 | Work implement control device for tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739373Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438583A (en) * | 2014-08-29 | 2016-03-30 | 名硕电脑(苏州)有限公司 | Packaging structure |
-
1989
- 1989-08-23 JP JP9805489U patent/JPH0739373Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438583A (en) * | 2014-08-29 | 2016-03-30 | 名硕电脑(苏州)有限公司 | Packaging structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739373Y2 (en) | 1995-09-13 |
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