JPH0266705U - - Google Patents
Info
- Publication number
- JPH0266705U JPH0266705U JP12751188U JP12751188U JPH0266705U JP H0266705 U JPH0266705 U JP H0266705U JP 12751188 U JP12751188 U JP 12751188U JP 12751188 U JP12751188 U JP 12751188U JP H0266705 U JPH0266705 U JP H0266705U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- control valve
- flow control
- compensated flow
- 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 4
- 230000000703 anti-shock Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Description
第１図は、本考案の一実施例の油圧回路図、第
２図は、本考案の第１図の別実施例の油圧回路図
、第３図ａおよびｂは、本考案の他の実施例の油
圧回路図、第４図は、本考案の第１図のさらに別
の実施例の油圧回路図、第５図ａおよびｂは、従
来技術のシヨツク防止パイロツトの油圧回路図で
ある。
１１……パイロツトバルブ、１２……切換弁、
１３……スプリング、１５……パイロツトポンプ
、１６……リリーフ弁、１７……チエツク弁、１
８……パイロツト油室、１９……圧力補償付流量
制御弁、１９Ａ，１９Ｂ……圧力補償付流量制御
弁、２０，２１……パイロツト管路、２２……弁
装置、２３……スプール弁、２４……切換弁、３
１……パイロツトバルブ、３４……シヨツク防止
弁。
FIG. 1 is a hydraulic circuit diagram of one embodiment of the present invention, FIG. 2 is a hydraulic circuit diagram of another embodiment of the present invention shown in FIG. 1, and FIGS. 3 a and b are other embodiments of the present invention. FIG. 4 is a hydraulic circuit diagram of a further embodiment of the invention shown in FIG. 1, and FIGS. 5a and 5b are hydraulic circuit diagrams of a prior art anti-shock pilot. 11...Pilot valve, 12...Switching valve,
13...Spring, 15...Pilot pump, 16...Relief valve, 17...Check valve, 1
8...Pilot oil chamber, 19...Flow rate control valve with pressure compensation, 19A, 19B...Flow rate control valve with pressure compensation, 20, 21...Pilot pipe line, 22...Valve device, 23...Spool valve, 24...Switching valve, 3
1...Pilot valve, 34...Shock prevention valve.
Claims (1)
補償付流量制御弁を備えた弁装置において、前記
圧力補償付流量制御弁の排出油をタンク回路に連
結したことを特徴とする弁装置。 What is claimed is: 1. A valve device comprising a pressure-compensated flow control valve for adjusting the return speed of a pilot type switching valve, characterized in that discharged oil from the pressure-compensated flow control valve is connected to a tank circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988127511U JPH0640970Y2 (en) | 1988-07-06 | 1988-09-29 | Valve device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63-89580 | 1988-07-06 | ||
| JP8958088 | 1988-07-06 | ||
| JP1988127511U JPH0640970Y2 (en) | 1988-07-06 | 1988-09-29 | Valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0266705U true JPH0266705U (en) | 1990-05-21 |
| JPH0640970Y2 JPH0640970Y2 (en) | 1994-10-26 |
Family
ID=31718642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988127511U Expired - Lifetime JPH0640970Y2 (en) | 1988-07-06 | 1988-09-29 | Valve device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640970Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006035648A1 (en) * | 2004-09-29 | 2006-04-06 | Kobelco Construction Machinery Co., Ltd. | Hydraulic circuit for construction machine |
| JP2013117253A (en) * | 2011-12-02 | 2013-06-13 | Kubota Corp | Warming-up system |
| JP2017053414A (en) * | 2015-09-08 | 2017-03-16 | 株式会社クボタ | Hydraulic system of work machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6285564U (en) * | 1985-11-20 | 1987-06-01 | ||
| JPS6342904U (en) * | 1986-09-09 | 1988-03-22 | ||
| JPS6363833U (en) * | 1986-10-15 | 1988-04-27 |
-
1988
- 1988-09-29 JP JP1988127511U patent/JPH0640970Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6285564U (en) * | 1985-11-20 | 1987-06-01 | ||
| JPS6342904U (en) * | 1986-09-09 | 1988-03-22 | ||
| JPS6363833U (en) * | 1986-10-15 | 1988-04-27 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006035648A1 (en) * | 2004-09-29 | 2006-04-06 | Kobelco Construction Machinery Co., Ltd. | Hydraulic circuit for construction machine |
| JP2006125627A (en) * | 2004-09-29 | 2006-05-18 | Kobelco Contstruction Machinery Ltd | Hydraulic circuit of construction machinery |
| JP2013117253A (en) * | 2011-12-02 | 2013-06-13 | Kubota Corp | Warming-up system |
| JP2017053414A (en) * | 2015-09-08 | 2017-03-16 | 株式会社クボタ | Hydraulic system of work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640970Y2 (en) | 1994-10-26 |