JPS61138673U - - Google Patents

Info

Publication number
JPS61138673U
JPS61138673U JP2227985U JP2227985U JPS61138673U JP S61138673 U JPS61138673 U JP S61138673U JP 2227985 U JP2227985 U JP 2227985U JP 2227985 U JP2227985 U JP 2227985U JP S61138673 U JPS61138673 U JP S61138673U
Authority
JP
Japan
Prior art keywords
hydraulic
steering
valve device
operating member
interposed
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
Application number
JP2227985U
Other languages
Japanese (ja)
Other versions
JPH035504Y2 (en
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
Application filed filed Critical
Priority to JP1985022279U priority Critical patent/JPH035504Y2/ja
Priority to US06/819,860 priority patent/US4664210A/en
Publication of JPS61138673U publication Critical patent/JPS61138673U/ja
Application granted granted Critical
Publication of JPH035504Y2 publication Critical patent/JPH035504Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Transplanting Machines (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の油圧式操向装置を付設した乗
用田植機の全体側面図。第２図は本考案の油圧式
操向装置の油圧回路図。第３図は油圧バルブ装置
の平面図。第４図は同じく側面断面図。第５図は
第４図のタンデムセンター形油圧バルブ装置の回
路図。第６図はシヨツクや切りすぎやシミーを防
ぐ絞り回路を設けた油圧バルブ装置の油圧回路図
である。 Ａ…操向用油圧バルブ装置、Ｂ…コンビネーシ
ヨンバルブ装置、Ｃ…作業機昇降用油圧装置、４
…ベルクランクアーム（ナツクルアーム操作部材
）、２３…油圧ポンプ。 FIG. 1 is an overall side view of a riding rice transplanter equipped with the hydraulic steering device of the present invention. FIG. 2 is a hydraulic circuit diagram of the hydraulic steering device of the present invention. FIG. 3 is a plan view of the hydraulic valve device. FIG. 4 is a side sectional view as well. FIG. 5 is a circuit diagram of the tandem center type hydraulic valve device shown in FIG. 4. FIG. 6 is a hydraulic circuit diagram of a hydraulic valve device provided with a throttle circuit to prevent shock, overcutting, and shimmy. A...Hydraulic valve device for steering, B...Combination valve device, C...Hydraulic device for lifting and lowering work equipment, 4
...Bell crank arm (knuckle arm operating member), 23...Hydraulic pump.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ステアリングハンドルのピツトマンアームと、
ナツクルアーム操作部材との間に、操向用油圧バ
ルブ装置を介装し、該ナツクルアーム操作部材と
、機体フレームの間に操向用油圧シリンダーを介
装した構成において、操向用油圧バルブ装置をタ
ンデムセンター形とし、油圧ポンプ、油圧式操向
装置、作業機昇降用油圧装置を直列に配置したこ
とを特徴とする油圧式操向装置。 The pittman arm of the steering wheel,
In a configuration in which a steering hydraulic valve device is interposed between the knuckle arm operating member and a steering hydraulic cylinder is interposed between the knuckle arm operating member and the aircraft frame, the steering hydraulic valve device is installed in tandem. A hydraulic steering device that is of a center type and is characterized in that a hydraulic pump, a hydraulic steering device, and a hydraulic device for lifting and lowering work equipment are arranged in series.
JP1985022279U 1985-01-19 1985-02-18 Expired JPH035504Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985022279U JPH035504Y2 (en) 1985-02-18 1985-02-18
US06/819,860 US4664210A (en) 1985-01-19 1986-01-17 Hydraulic steering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985022279U JPH035504Y2 (en) 1985-02-18 1985-02-18

Publications (2)

Publication Number Publication Date
JPS61138673U true JPS61138673U (en) 1986-08-28
JPH035504Y2 JPH035504Y2 (en) 1991-02-13

Family

ID=30514429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985022279U Expired JPH035504Y2 (en) 1985-01-19 1985-02-18

Country Status (1)

Country Link
JP (1) JPH035504Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS546196U (en) * 1977-06-15 1979-01-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS546196U (en) * 1977-06-15 1979-01-16

Also Published As

Publication number Publication date
JPH035504Y2 (en) 1991-02-13

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