JPS61140227U - - Google Patents
Info
- Publication number
- JPS61140227U JPS61140227U JP2358585U JP2358585U JPS61140227U JP S61140227 U JPS61140227 U JP S61140227U JP 2358585 U JP2358585 U JP 2358585U JP 2358585 U JP2358585 U JP 2358585U JP S61140227 U JPS61140227 U JP S61140227U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- clutch
- clutch cut
- cut
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例を示す回路図、第
２図は従来の回路図である。
１は油圧ポンプ、４，４′はパイロツト管路、
５，６，７は絞り、８はカツトオフ弁、１０は電
磁弁、１０１はドレンポジシヨン、１０２は遮断
ポジシヨン。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a conventional circuit diagram. 1 is a hydraulic pump, 4 and 4' are pilot pipes,
5, 6, and 7 are throttles, 8 is a cut-off valve, 10 is a solenoid valve, 101 is a drain position, and 102 is a shutoff position.
Claims (1)
出圧Ｐ１の一部を、電磁弁１０を介してクラツチ
カツトオフ弁８へ導入し、該クラツチカツトオフ
弁８で前後進クラツチへ供給されるクラツチ圧を
カツトオフするものにおいて、上記油圧ポンプ１
の吐出圧Ｐ１を少なくとも１個の絞り５，６，７
により減圧してクラツチカツトオフ弁８へパイロ
ツト圧として導入すると共に、上記クラツチカツ
トオフ弁８のパイロツト管路４′に、非通電時ド
レンポジシヨン１０１にあつてパイロツト圧をタ
ンク１１へドレンし、通電と共に遮断ポジシヨン
１０２となつてパイロツト管路４′にクラツチカ
ツトオフ弁８の作動圧Ｐ０を発生させる電磁弁１
０を接続してなる建設機械のクラツチカツトオフ
回路。 A part of the discharge pressure P1 of the hydraulic pump 1 that supplies hydraulic pressure to the fluid transmission is introduced into the clutch cut-off valve 8 via the electromagnetic valve 10, and is supplied to the forward/reverse clutch by the clutch cut-off valve 8. In the device for cutting off clutch pressure, the above-mentioned hydraulic pump 1
The discharge pressure P 1 of at least one throttle 5, 6, 7
The pressure is reduced and introduced into the clutch cut-off valve 8 as pilot pressure, and the pilot pressure is drained into the tank 11 through the pilot pipe line 4' of the clutch cut-off valve 8, which is in the drain position 101 when not energized. , a solenoid valve 1 which, when energized, enters a cutoff position 102 and generates an operating pressure P0 of a clutch cut-off valve 8 in a pilot pipe 4'.
A clutch cut-off circuit for construction machinery that connects 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2358585U JPS61140227U (en) | 1985-02-22 | 1985-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2358585U JPS61140227U (en) | 1985-02-22 | 1985-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140227U true JPS61140227U (en) | 1986-08-30 |
Family
ID=30516949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2358585U Pending JPS61140227U (en) | 1985-02-22 | 1985-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140227U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635545U (en) * | 1979-08-28 | 1981-04-06 | ||
| JPS57116937A (en) * | 1980-11-27 | 1982-07-21 | Automotive Prod Co Ltd | Clutch controller |
-
1985
- 1985-02-22 JP JP2358585U patent/JPS61140227U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635545U (en) * | 1979-08-28 | 1981-04-06 | ||
| JPS57116937A (en) * | 1980-11-27 | 1982-07-21 | Automotive Prod Co Ltd | Clutch controller |