JPS5964604U - Attitude control device for ground work equipment - Google Patents
Attitude control device for ground work equipmentInfo
- Publication number
- JPS5964604U JPS5964604U JP16019082U JP16019082U JPS5964604U JP S5964604 U JPS5964604 U JP S5964604U JP 16019082 U JP16019082 U JP 16019082U JP 16019082 U JP16019082 U JP 16019082U JP S5964604 U JPS5964604 U JP S5964604U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- attitude control
- attitude
- ground work
- hydraulic cylinder
- 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
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を装備したトラクタ後部及
びロータリ耕耘機の側面図、第２図は同実施例の油圧回
路図、第３図は上記トラクタ後部の概略平面図、第４図
は同実施例要部の一部縦断背面図、第５図は第４図の■
−■線に沿う一部縦断側面図、第６図及び第７図はそれ
ぞれ、第５図のＶＩ−ＶＩ線及び■−■線に沿う横断面
図、第８図は第４図の矢印■−■に沿ってみた端面図、
第９図及ｄ第１０図はそれぞれ、第６図及び第７図と同
様の横断面図で異なった状態で画いたもの、第１１図は
同実施例の一部材の拡大斜視図、第１２図はこの考案の
他の実施例を示す油圧回路図、第１３図は同地の実施例
の電気制御回路図である。
１・・・・・・トラクタ、２・・・・・田−タリ耕耘機
、５・・・・・・油圧リフト装置、６・・・・・・リフ
トアーム、７・・・甲タイロッド、８・・・・・・油圧
リフトシリンダ、９・・・・・・姿勢制御用油圧シリン
ダ、９ａ・・・・・・伸長作用油室、９ｂ・・・・・・
縮小作用油室、１０・旧・・センサー、１０Ａ、ＩＯＢ
・・・・・・センサースイッチ、１４・・・・・・油圧
ポンプ、１５・曲・コントロールバルブ装置、１６・・
・・・・給油回路、１７・・・・・・給油回路、１８・
・・・・・可変絞り、１８ａ・・・・・・ハンドル、１
９・・・・・・リリーフ弁、２０・−・・・・分流弁、
２１・・・・・・電磁弁、２１Ａ。
２１Ｂ・・・・・・ソレノイド、２２・・・・・・排油
回路、２３Ａ、２３Ｂ・・・・・・給排回路、２４・・
・・・・レギュレータバルブ、２５・・・・・・絞り、
２６・・・・・・スプリング、２７・・・・・・ドレー
ン回路、２８・・・・・・パイロット油圧作用回路、３
５・・・・・・姿勢制御バルブ装置、４０Ｐ。
４０Ｔ、 ４ ＱＣ，、４０Ｃｂ・・・・・・油通路
、４１Ｐ・・曲ポンプポート、４１Ｃ・・・・・・分流
ポート、４１Ｔ・・・・・・タンクポート、４１Ａ、４
１Ｂ・・・・・・シリンダポート、７０・・・・・・ス
プリング、７１・・・・・・ソレノイド。
ヂ ｆ′
第３図
□
詠Ｈ７Figure 1 is a side view of the rear of a tractor equipped with an embodiment of this invention and a rotary tiller, Figure 2 is a hydraulic circuit diagram of the same embodiment, Figure 3 is a schematic plan view of the rear of the tractor, and Figure 4. 5 is a partial vertical cross-sectional rear view of the main part of the same embodiment, and FIG.
6 and 7 are cross-sectional views taken along line VI-VI and line ■-■ in FIG. 5, respectively, and FIG. −End view along ■■,
Figures 9 and 10 are the same cross-sectional views as Figures 6 and 7, but taken in different states; Figure 11 is an enlarged perspective view of a part of the same embodiment; The figure is a hydraulic circuit diagram showing another embodiment of this invention, and FIG. 13 is an electrical control circuit diagram of the same embodiment. 1... Tractor, 2... Field tiller, 5... Hydraulic lift device, 6... Lift arm, 7... Instep tie rod, 8 ... Hydraulic lift cylinder, 9 ... Hydraulic cylinder for posture control, 9a ... Extension oil chamber, 9b ...
Reduction oil chamber, 10, old...sensor, 10A, IOB
・・・・・・Sensor switch, 14・・・Hydraulic pump, 15・Control valve device, 16・・
... Oil supply circuit, 17 ... Oil supply circuit, 18.
...Variable aperture, 18a...Handle, 1
9...Relief valve, 20...Diversion valve,
21... Solenoid valve, 21A. 21B... Solenoid, 22... Oil drain circuit, 23A, 23B... Supply/drain circuit, 24...
...Regulator valve, 25...Aperture,
26... Spring, 27... Drain circuit, 28... Pilot hydraulic action circuit, 3
5... Attitude control valve device, 40P. 40T, 4 QC,, 40Cb...Oil passage, 41P...Curved pump port, 41C...Diversion port, 41T...Tank port, 41A, 4
1B...Cylinder port, 70...Spring, 71...Solenoid.も f′ Figure 3 □ Ei H7
Claims (1)
業装置の姿勢を変更する姿勢制御用油圧シリンダを設け
、油圧リフトシリンダと該姿勢制御用油圧シリンダとに
対し単一の油圧ポンプにより作動油を、該各油圧シリン
ダに対する作動油の供給割合を変更調節可能な分流弁を
介して供給するように構成すると共に、対地作業装置の
姿勢を検出するセンサーにより位置を切替え制御される
電磁弁によって該姿勢制御用油圧シリンダへの作動油の
供給を制御して、対地作業装置を水平姿勢に維持するよ
うに構成された姿勢制御装置であって、゛前記姿勢制御
用油圧シリンダに対する給油回路中に姿勢制御用油圧シ
リンダ方向への給油量を小とする第１の位置と該給油量
を大とする第２の位置とを備えたレギュレータバルブを
挿入設置すると共に、前記姿勢制御用油圧シリンダの作
動を検出する検出手段と該検出手段により作動を制御さ
れて上記レギュレータバルブを変位させる変位手段とを
設けて、前記姿勢制御用油圧シリンダの作動時にのみ上
記レギュレータバルブを上記した第２の位置に変位させ
るように構成してなる、対地作業装置の姿勢制御装置。A hydraulic cylinder for posture control is provided to change the posture of ground work equipment that is raised and lowered by a hydraulic lift cylinder, and a single hydraulic pump supplies hydraulic oil to the hydraulic lift cylinder and the hydraulic cylinder for posture control. It is configured to supply hydraulic oil to each hydraulic cylinder through a diversion valve that can change and adjust the supply ratio, and a solenoid valve whose position is switched and controlled by a sensor that detects the attitude of the ground work equipment is used to control the attitude of the ground work equipment. An attitude control device configured to control the supply of hydraulic oil to a hydraulic cylinder to maintain a ground work device in a horizontal attitude, the attitude control device comprising: an attitude control hydraulic pressure supply circuit in a refueling circuit for the attitude control hydraulic cylinder; A regulator valve having a first position where the amount of oil supplied in the direction of the cylinder is small and a second position where the amount of oil supplied is large is inserted and installed, and detection is performed to detect the operation of the attitude control hydraulic cylinder. and a displacement means whose operation is controlled by the detection means to displace the regulator valve, and configured to displace the regulator valve to the second position only when the attitude control hydraulic cylinder is activated. Attitude control device for ground work equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16019082U JPS5964604U (en) | 1982-10-21 | 1982-10-21 | Attitude control device for ground work equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16019082U JPS5964604U (en) | 1982-10-21 | 1982-10-21 | Attitude control device for ground work equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5964604U true JPS5964604U (en) | 1984-04-28 |
| JPH0114085Y2 JPH0114085Y2 (en) | 1989-04-25 |
Family
ID=30352411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16019082U Granted JPS5964604U (en) | 1982-10-21 | 1982-10-21 | Attitude control device for ground work equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5964604U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4601377B2 (en) * | 2004-10-06 | 2010-12-22 | カヤバ工業株式会社 | Negative control circuit for industrial machinery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52143598A (en) * | 1976-05-26 | 1977-11-30 | Hitachi Ltd | Electrode for electrical discharge machining |
| JPS52155809A (en) * | 1976-06-21 | 1977-12-24 | Seikichi Yamamoto | Noiseless sheettpile driving apparatus |
-
1982
- 1982-10-21 JP JP16019082U patent/JPS5964604U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52143598A (en) * | 1976-05-26 | 1977-11-30 | Hitachi Ltd | Electrode for electrical discharge machining |
| JPS52155809A (en) * | 1976-06-21 | 1977-12-24 | Seikichi Yamamoto | Noiseless sheettpile driving apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0114085Y2 (en) | 1989-04-25 |
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