JPS58176716U - Work vehicle fluid pressure circuit - Google Patents
Work vehicle fluid pressure circuitInfo
- Publication number
- JPS58176716U JPS58176716U JP7369982U JP7369982U JPS58176716U JP S58176716 U JPS58176716 U JP S58176716U JP 7369982 U JP7369982 U JP 7369982U JP 7369982 U JP7369982 U JP 7369982U JP S58176716 U JPS58176716 U JP S58176716U
- Authority
- JP
- Japan
- Prior art keywords
- actuator
- control valve
- fluid pressure
- work vehicle
- pressure circuit
- 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
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
図面は本考案に係る作業車の流体圧回路の実施例を示し
、第１図はコンバイン前部の側面図、第２図は刈取部の
概略平面図、第３図はセンサー取付部の斜視図、第４図
はコントロールバルブの断面図、第５図はバルブ操作部
の断面図、第６図はスプールの側面図、第７図は油圧回
路図である。
８・・・・・・第１流体圧アクチュエータ、１４・・・
・・・スプール、１４ｂ、 １４Ｃ−−−−−−スプ
ール部分、４７ａ。
４７ｂ・・・・・・第２流体圧アクチュエータ、４８・
・・・・・ポンプ、４９・・・・・・絞り部、０２・・
・・・・出力ポート、Ｖｌ・・・・・・第１アクチユエ
ータ用バルブ、Ｖ２・・・・・・第２アクチユエータ用
バルブ。゛
、 第３図
９８ｐ−′
〆
′”〜２７
９ｂThe drawings show an embodiment of the fluid pressure circuit of a working vehicle according to the present invention, in which Fig. 1 is a side view of the front part of the combine, Fig. 2 is a schematic plan view of the reaping part, and Fig. 3 is a perspective view of the sensor mounting part. , FIG. 4 is a sectional view of the control valve, FIG. 5 is a sectional view of the valve operating section, FIG. 6 is a side view of the spool, and FIG. 7 is a hydraulic circuit diagram. 8...First fluid pressure actuator, 14...
...Spool, 14b, 14C---Spool portion, 47a. 47b...Second fluid pressure actuator, 48.
...Pump, 49... Throttle section, 02...
... Output port, Vl ... Valve for first actuator, V2 ... Valve for second actuator.゛, Figure 3 98p-'〆'''~27 9b
Claims (1)
２アクチュエータ４７ａ、４７ｂ用コントロールバルブ
■２とを１個のポンプ４８に並列接続すると共に、切記
第２アクチュエータ用コントロールバルブＶ２の中立状
態における前記第１アクチユエータ用コントロールバル
フ■□への流体供給を可能にする絞り部４９を、前記第
２アクチユエータ用コントロールバルフｖ２へノ流路ニ
設けた作業車の流体圧回路であって、前記第１アクチユ
エータ用コントロールバルブＶ１に、その中立状態及び
第１アクチユエータ８駆動状態にお、 いて前記第２ア
クチユエータ用コントロールバルブ■２に流体供給する
出力ポート０２を設け、前記第１アクチユエータ用コン
トロールバルブＶ０にオケるスプール１４の第１アクチ
ユエータ８駆動状態において前記出力ポート０゜を開口
する部分１４Ｃの外径を中立状態において前記出力ポー
ト０２を開口する部分１４ｂの外径より大に形成して、
前記絞り部４９を構成しである事を特徴とする作業車の
流体圧回路。The control valve V1 for the first actuator 8 and the control valve 2 for the second actuators 47a and 47b are connected in parallel to one pump 48, and the first actuator in the neutral state of the control valve V2 for the second actuator shown in FIG. A fluid pressure circuit for a work vehicle, wherein a flow path to the control valve v2 for the second actuator is provided with a constriction portion 49 that enables fluid supply to the control valve v2 for the control valve for the first actuator. V1 is provided with an output port 02 for supplying fluid to the second actuator control valve V2 in its neutral state and in the driving state of the first actuator 8, and a spool 14 connected to the first actuator control valve V0 is provided. The outer diameter of the portion 14C that opens the output port 0° in the driving state of the first actuator 8 is formed to be larger than the outer diameter of the portion 14b that opens the output port 02 in the neutral state,
A fluid pressure circuit for a work vehicle, characterized in that the throttle portion 49 is configured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7369982U JPS58176716U (en) | 1982-05-19 | 1982-05-19 | Work vehicle fluid pressure circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7369982U JPS58176716U (en) | 1982-05-19 | 1982-05-19 | Work vehicle fluid pressure circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58176716U true JPS58176716U (en) | 1983-11-26 |
| JPH017844Y2 JPH017844Y2 (en) | 1989-03-02 |
Family
ID=30083195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7369982U Granted JPS58176716U (en) | 1982-05-19 | 1982-05-19 | Work vehicle fluid pressure circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58176716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62297510A (en) * | 1986-06-17 | 1987-12-24 | Honda Motor Co Ltd | Hydraulic device for working vehicle |
-
1982
- 1982-05-19 JP JP7369982U patent/JPS58176716U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62297510A (en) * | 1986-06-17 | 1987-12-24 | Honda Motor Co Ltd | Hydraulic device for working vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH017844Y2 (en) | 1989-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58176716U (en) | Work vehicle fluid pressure circuit | |
| JPS58176714U (en) | Work vehicle operating device | |
| JPS58157501U (en) | Loader drive device in lathe | |
| JPS5820705U (en) | counterbalance valve | |
| JPS5818697U (en) | pressure control valve | |
| JPS6040802U (en) | Pneumatic and hydraulic speed control valves | |
| JPS5818104U (en) | Multiple directional valve | |
| JPS59150683U (en) | cylinder device | |
| JPS6110366U (en) | Front loader hydraulic circuit | |
| JPS612568U (en) | Hydraulic pump merging device for earthmoving vehicles | |
| JPS58100868U (en) | Steering device for powered agricultural machinery | |
| JPS58149256U (en) | Cargo handling vehicle diversion device | |
| JPS5910502U (en) | Double check valve for lift cylinder control | |
| JPS5894902U (en) | control valve | |
| JPS6013859U (en) | Power steering device | |
| JPS5838002U (en) | terminal speed control valve | |
| JPS59145123U (en) | Combine hydraulic drive structure | |
| JPS5828003U (en) | Working vehicle running part structure | |
| JPS5969262U (en) | Construction machinery hydraulic system | |
| JPS59194603U (en) | Switching delay prevention device for directional valves | |
| JPS58870U (en) | Driving machine air passage | |
| JPS59102667U (en) | Hydraulic circuit for work equipment | |
| JPS59177803U (en) | Hydraulic supply control device | |
| JPS5976661U (en) | Backhoe boom drive structure | |
| JPS60127103U (en) | directional valve device |