JPS6145678U - hydraulic control valve device - Google Patents
hydraulic control valve deviceInfo
- Publication number
- JPS6145678U JPS6145678U JP13117584U JP13117584U JPS6145678U JP S6145678 U JPS6145678 U JP S6145678U JP 13117584 U JP13117584 U JP 13117584U JP 13117584 U JP13117584 U JP 13117584U JP S6145678 U JPS6145678 U JP S6145678U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- control valve
- valve
- valve device
- directional 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
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
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
第1図はこの考案の1実施例の回路構成と使用した弁の
主要部断面曲、第2図は第1図のA−A断面拡大図、第
3図は第1図のB−B断面拡大図、第4図は同実施例の
一方の流量制御弁の断面拡大図、第5図は同実施例の方
向切換弁のスプールの絞りe1を形成する部分を示しa
は断面図bはaの平面図、第6図は同実施例の方向切換
弁のスブールの絞りe2′を形成する部分を示しaは断
面図bはaの平面図、第7図は方向切換弁のスプールの
移動距離に対する絞りeエ(又はe1′)及び絞りe2
′(又はe2)の開口面積の変化する状態を示すグラフ
、第8図は従来の油圧制御弁装置の油圧回路図、第9図
は第8図の装置による起動時の時間経過に対する油圧モ
ータへ供給する油圧の上昇状態を示すグラフである。
1・・・・・・ペイロット弁、2・・・・・・方向切換
弁、3・・・・・・クロスオーバリリーフ弁部、4a,
4a’・一・・・・流量制御弁、’P,lb・・・・・
・油圧源、P,,P2・・・・・・ポート(パイロット
部)、P3・・・・・・ポート(油圧源)、2a,2b
・・・・・・パイ詰ント部、5・・・・・・スプール(
方向切換弁)、T,T2・・・・・・ポート(タンク)
、6・・・・・・油圧モータ、Mエ,M2・・・・・・
ポート(油圧モータ)、e1, e′,e2,e2′・
・・・・狼り。Figure 1 shows the circuit configuration of one embodiment of this invention and the cross-sectional curve of the main parts of the valve used, Figure 2 is an enlarged cross-sectional view taken along the line AA in Figure 1, and Figure 3 is the cross-sectional view taken along the line B-B in Figure 1. FIG. 4 is an enlarged cross-sectional view of one of the flow rate control valves of the same embodiment, and FIG. 5 shows a portion forming the aperture e1 of the spool of the directional control valve of the same embodiment.
is a cross-sectional view b is a plan view of a, FIG. 6 is a sectional view of the directional control valve of the same embodiment, showing a portion forming the Sboule throttle e2', a is a cross-sectional view B is a plan view of a, and FIG. Throttle e(or e1') and throttle e2 for the travel distance of the valve spool
’ (or e2), Fig. 8 is a hydraulic circuit diagram of a conventional hydraulic control valve device, and Fig. 9 is a diagram showing the change in the opening area of the hydraulic motor with the device shown in Fig. 8 over time. It is a graph showing an increasing state of supplied oil pressure. 1... Pilot valve, 2... Directional switching valve, 3... Crossover relief valve section, 4a,
4a'・1...Flow rate control valve, 'P, lb...
・Hydraulic source, P,, P2... Port (pilot part), P3... Port (hydraulic source), 2a, 2b
...Pie filling part, 5...Spool (
Directional switching valve), T, T2... port (tank)
, 6...Hydraulic motor, Me, M2...
Port (hydraulic motor), e1, e', e2, e2'・
...Wolfri.
Claims (1)
換弁を配置し、その方向切換弁のパイロット部とパイロ
ット弁との間に前記方向切換弁のスプールの移動速度を
一定にするように流量制御弁を設けるとともに、前記ス
プールの移動による油圧源から油圧モータへ向う通路中
の開口面積の変化を油圧モータからタンクへ向う通路中
の開口面積の変化より大きくなるように構成した油圧制
御弁装置。A hydraulic pilot type directional switching valve is arranged between the hydraulic power source and the hydraulic motor, and a flow rate is controlled between the pilot part of the directional switching valve and the pilot valve so as to keep the moving speed of the spool of the directional switching valve constant. A hydraulic control valve device including a control valve and configured such that a change in opening area in a passage from the hydraulic source to the hydraulic motor due to movement of the spool is larger than a change in opening area in the passage from the hydraulic motor to the tank. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13117584U JPS6145678U (en) | 1984-08-28 | 1984-08-28 | hydraulic control valve device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13117584U JPS6145678U (en) | 1984-08-28 | 1984-08-28 | hydraulic control valve device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6145678U true JPS6145678U (en) | 1986-03-26 |
JPH0351522Y2 JPH0351522Y2 (en) | 1991-11-06 |
Family
ID=30689769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13117584U Granted JPS6145678U (en) | 1984-08-28 | 1984-08-28 | hydraulic control valve device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6145678U (en) |
-
1984
- 1984-08-28 JP JP13117584U patent/JPS6145678U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0351522Y2 (en) | 1991-11-06 |
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