JPS6055322U

JPS6055322U - Hydraulic circuit of reaping machine

Info

Publication number: JPS6055322U
Application number: JP14737683U
Authority: JP
Inventors: 池田　峯雄; 勝也早田
Original assignee: 株式会社クボタ; クボタ精機株式会社
Priority date: 1983-09-22
Filing date: 1983-09-22
Publication date: 1985-04-18
Also published as: JPH0130987Y2

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

[Brief explanation of drawings]

図面は本考案に係る刈取収穫機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図は油圧回路図、第４図はコント
ロールバルブ配設部の一部切欠き正面図、第５図はバル
ブ操作部の側面図、第６図はバルブの断面図、第７図は
第６図の■−■断面矢視図である。４・・・刈取部、６・・・単動型シリンダ、７・・・刈
取部コントロールバルブ、８…逆止弁、９・・・パイロ
ット操作回路、１０・・・ポンプ、１９ａ、１９ｂ・・
・流体圧アクチュエータ、２０…コントロールバルブ、
２１・・・圧力制御弁。鼎しノ ■−ひ鰻０３５第５図第６図The drawings show an embodiment of the hydraulic circuit of the reaping and harvesting machine 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 section, Fig. 3 is a hydraulic circuit diagram, and Fig. 3 is a hydraulic circuit diagram. Figure 4 is a partially cutaway front view of the control valve installation part, Figure 5 is a side view of the valve operation part, Figure 6 is a cross-sectional view of the valve, and Figure 7 is a cross-sectional view taken along the line ■-■ in Figure 6. It is a diagram. 4... Reaping section, 6... Single acting cylinder, 7... Reaping section control valve, 8... Check valve, 9... Pilot operating circuit, 10... Pump, 19a, 19b...
・Fluid pressure actuator, 20...control valve,
21...Pressure control valve. Kanae Shino■-Hiunagi035 Figure 5 Figure 6

Claims

[Scope of utility model registration request]

The cylinder 6 is disposed between the single-acting cylinder 6 for raising and lowering the reaping section 4 and the control valve 7 for this cylinder 6.
a check valve 8 which can be freely switched between an action position and an action release position for blocking fluid flow from the control valve 7 side to the control valve 7 side;
A pilot operating circuit 9 for the check valve 8 is configured to supply fluid from the pump 10 to the control valve 7 only when the valve 7 is in the reaping part lowering position. The check valve 8 is connected to a state in which the check valve 8 is operated to the release position, and the cylinder 6 is
The control valves 20 of the fluid pressure actuators 19a and 19b, which are different from each other, are connected to the reaping section control valve 7 so that fluid from the pump 10 is supplied only when this valve 7 is in the neutral position and the reaping section lowered position. A fluid pressure circuit of a reaping and harvesting machine connected to a state in which the pressure on the reaping section control valve 7 side is maintained at a set value between the actuator control valve 20 and the reaping section control valve 7. Pressure control valve 2
1 is provided in a fluid pressure circuit of a reaping harvester.