JPH0169904U - - Google Patents
Info
- Publication number
- JPH0169904U JPH0169904U JP1987164768U JP16476887U JPH0169904U JP H0169904 U JPH0169904 U JP H0169904U JP 1987164768 U JP1987164768 U JP 1987164768U JP 16476887 U JP16476887 U JP 16476887U JP H0169904 U JPH0169904 U JP H0169904U
- Authority
- JP
- Japan
- Prior art keywords
- attachment
- switching valve
- port
- built
- electromagnetic switching
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Fluid-Pressure Circuits (AREA)
- Soil Working Implements (AREA)
- Operation Control Of Excavators (AREA)
- Shovels (AREA)
Description
第１図は本考案に係る第１の実施例を示した油
圧配管の回路図、第２図は本考案に係る油圧装置
を制御する電磁切換弁に接続するタイマー内蔵型
リレーユニツトの回路図、第３図は、タイマー内
蔵型リレーユニツトの動作状態を示すチヤート図
、第４図は第２の実施例を適用するアタツチメン
トを示したリフトアーム部の側面図、第５図は第
２の実施例を示した油圧配管の回路図である。第
６図は本考案を適用する一般的なトラクタの全体
図、第７図はトラクタのアタツチメントを制御す
るための従来の回路図である。
１……トラクタ本体（作業機）、２……サイド
フレーム、３……リフトアーム、３ａ……基部、
３ｂ……先端部、３ｃ……中央部、４……アタツ
チメント、５……リフト用の複動シリンダ（リフ
トシリンダ）、６……ダンプ用の複動シリンダ（
ダンプシリンダ）、６ａ……ピストンロツド、７
……クランク、８……コンロツド、９……座席、
１０……レバー、１３……センタバイパス型４ポ
ート３位置型両側電磁切換弁（電磁切換弁）、１
４……タイマーユニツトを内蔵したリレーユニツ
ト（タイマー内蔵型リレーユニツト）、１５……
三点選択スイツチ、１６……電源、１７……アタ
ツチシリンダ、１８……６ポート２位置型電磁切
換弁、４０……容器、４１……底板、ＳＯＬ１…
…第１のソレノイド、ＳＯＬ２……第２のソレノ
イド、ｓｏｌ……ソレノイド。
FIG. 1 is a circuit diagram of hydraulic piping showing a first embodiment of the present invention, and FIG. 2 is a circuit diagram of a relay unit with a built-in timer connected to an electromagnetic switching valve for controlling a hydraulic system according to the present invention. Fig. 3 is a chart diagram showing the operating state of the relay unit with a built-in timer, Fig. 4 is a side view of the lift arm section showing the attachment to which the second embodiment is applied, and Fig. 5 is a diagram showing the second embodiment. It is a circuit diagram of hydraulic piping showing. FIG. 6 is an overall view of a general tractor to which the present invention is applied, and FIG. 7 is a conventional circuit diagram for controlling the attachment of the tractor. 1... Tractor main body (work machine), 2... Side frame, 3... Lift arm, 3a... Base,
3b... Tip, 3c... Center, 4... Attachment, 5... Double acting cylinder for lift (lift cylinder), 6... Double acting cylinder for dump (
dump cylinder), 6a... piston rod, 7
...Crank, 8...Conrod, 9...Seat,
10...Lever, 13...Center bypass type 4-port 3-position type double-sided solenoid switching valve (electromagnetic switching valve), 1
4... Relay unit with built-in timer unit (relay unit with built-in timer), 15...
Three-point selection switch, 16...power supply, 17...attach cylinder, 18...6-port 2-position electromagnetic switching valve, 40...container, 41...bottom plate, SOL 1 ...
...First solenoid, SOL 2 ...Second solenoid, sol... Solenoid.
Claims (1)
る複動シリンダを、両側に切換用ソレノイドを有
するセンタバイパス形４ポート３位置型電磁切換
弁で制御し、 上記両側の切換用ソレノイドを、タイマーユニ
ツトを内蔵したリレーユニツトによつて継続させ
て、アタツチメントに振動を与えるようになした
ことを特徴とする作業機のアタツチメントの振動
装置。[Claim for Utility Model Registration] A double-acting cylinder that drives an attachment at the tip of a lift arm is controlled by a center bypass type 4-port 3-position electromagnetic switching valve having switching solenoids on both sides, and the switching solenoids on both sides are controlled by a center bypass type 4-port 3-position electromagnetic switching valve. A vibration device for an attachment of a work machine, characterized in that the vibration is continuously applied to the attachment by a relay unit having a built-in timer unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164768U JPH0747609Y2 (en) | 1987-10-27 | 1987-10-27 | Hydraulic system for driving attachments of work equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164768U JPH0747609Y2 (en) | 1987-10-27 | 1987-10-27 | Hydraulic system for driving attachments of work equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0169904U true JPH0169904U (en) | 1989-05-10 |
| JPH0747609Y2 JPH0747609Y2 (en) | 1995-11-01 |
Family
ID=31450654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987164768U Expired - Lifetime JPH0747609Y2 (en) | 1987-10-27 | 1987-10-27 | Hydraulic system for driving attachments of work equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747609Y2 (en) |
-
1987
- 1987-10-27 JP JP1987164768U patent/JPH0747609Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0747609Y2 (en) | 1995-11-01 |