JPH0226406U - - Google Patents

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Publication number
JPH0226406U
JPH0226406U JP10354788U JP10354788U JPH0226406U JP H0226406 U JPH0226406 U JP H0226406U JP 10354788 U JP10354788 U JP 10354788U JP 10354788 U JP10354788 U JP 10354788U JP H0226406 U JPH0226406 U JP H0226406U
Authority
JP
Japan
Prior art keywords
duty ratio
initial value
changing means
hydraulic actuator
value changing
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
JP10354788U
Other languages
Japanese (ja)
Other versions
JPH0728803Y2 (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 JP10354788U priority Critical patent/JPH0728803Y2/en
Publication of JPH0226406U publication Critical patent/JPH0226406U/ja
Application granted granted Critical
Publication of JPH0728803Y2 publication Critical patent/JPH0728803Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Lifting Devices For Agricultural Implements (AREA)

Description

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

第1図は本考案に係る電気回路を示す図、第2
図はそのロータリ作業機の下降時におけるインチ
ングパルス信号の変化を示すタイムチヤート、第
3図aは下降速度調節ボリユームの調節を示す図
、第3図bは下降速度調節ボリユームの調節によ
り変化するロータリ作業機の下降速度を示す図、
第4図は下降速度調節ボリユーム等示す図、第5
図aはポジシヨンレバーの設置構造を示す側面断
面図、第5図bはその正面断面図である。そして
、第6図は本考案を適用し得るトラクタを示す全
体側面図である。 1……移動農機(トラクタ)、9……ポジシヨ
ンレバー、12……作業機(ロータリ作業機)、
23……下降用ソレノイド(リフトアーム下降用
ソレノイド)、27……調整手段(下降速度調節
ボリユーム)、34……作業機用油圧アクチユエ
ータ(作業機昇降用油圧アクチユエータ)、37
……下降減速手段、39……デユーテイー比初期
値変更手段。
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.
The figure is a time chart showing changes in the inching pulse signal when the rotary work machine is lowered, Figure 3a is a diagram showing the adjustment of the lowering speed adjustment volume, and Figure 3b is a diagram showing the change in the inching pulse signal when the rotary work machine is lowered. A diagram showing the descending speed of the work equipment,
Figure 4 shows the descending speed adjustment volume, etc.
Figure a is a side sectional view showing the installation structure of the position lever, and Figure 5b is a front sectional view thereof. FIG. 6 is an overall side view of a tractor to which the present invention can be applied. 1... Mobile agricultural machine (tractor), 9... Position lever, 12... Working machine (rotary working machine),
23... Lowering solenoid (lift arm lowering solenoid), 27... Adjustment means (lowering speed adjustment volume), 34... Hydraulic actuator for work machine (hydraulic actuator for lifting and lowering work machine), 37
. . . descending deceleration means, 39 . . . duty ratio initial value changing means.

Claims (1)

【実用新案登録請求の範囲】 ポジシヨンレバーの操作に基づき作業機用油圧
アクチユエータを作動し、作業機を昇降作動する
ように構成した移動農機において、 前記ポジシヨンレバーの下降操作に基づき、下
降用ソレノイドへのインチング出力信号のデユー
テイー比を次第に小さくして前記作業機用油圧ア
クチユエータを減速作動する下降減速手段と、 前記デユーテイー比減少時の初期値を適宜変更
し得るデユーテイー比初期値変更手段と、 該デユーテイー比初期値変更手段を調整する調
整手段と、を設け、 該調整手段の操作にて調整した前記デユーテイ
ー比初期値変更手段に基づき、前記インチング出
力信号のデユーテイー比の初期値を適宜変更し、
前記作業機の下降速度を変更し得るように構成し
たことを特徴とする、 移動農機の作業機制御装置。
[Scope of Claim for Utility Model Registration] A mobile agricultural machine configured to operate a hydraulic actuator for the working equipment based on the operation of a position lever to raise and lower the working equipment, wherein the lowering operation is performed based on the lowering operation of the position lever. descending deceleration means that gradually decreases the duty ratio of an inching output signal to the solenoid to decelerate the hydraulic actuator for the working machine; and duty ratio initial value changing means that can appropriately change the initial value when the duty ratio decreases; and adjusting means for adjusting the duty ratio initial value changing means, and appropriately changing the initial value of the duty ratio of the inching output signal based on the duty ratio initial value changing means adjusted by the operation of the adjusting means. ,
A work machine control device for a mobile agricultural machine, characterized in that the descending speed of the work machine can be changed.
JP10354788U 1988-08-03 1988-08-03 Work implement control device for mobile agricultural machinery Expired - Lifetime JPH0728803Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10354788U JPH0728803Y2 (en) 1988-08-03 1988-08-03 Work implement control device for mobile agricultural machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10354788U JPH0728803Y2 (en) 1988-08-03 1988-08-03 Work implement control device for mobile agricultural machinery

Publications (2)

Publication Number Publication Date
JPH0226406U true JPH0226406U (en) 1990-02-21
JPH0728803Y2 JPH0728803Y2 (en) 1995-07-05

Family

ID=31334480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10354788U Expired - Lifetime JPH0728803Y2 (en) 1988-08-03 1988-08-03 Work implement control device for mobile agricultural machinery

Country Status (1)

Country Link
JP (1) JPH0728803Y2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6216603B2 (en) 2013-10-10 2017-10-18 アスモ株式会社 Armature and rotating machine

Also Published As

Publication number Publication date
JPH0728803Y2 (en) 1995-07-05

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