JPH02101852U - - Google Patents
Info
- Publication number
- JPH02101852U JPH02101852U JP12869488U JP12869488U JPH02101852U JP H02101852 U JPH02101852 U JP H02101852U JP 12869488 U JP12869488 U JP 12869488U JP 12869488 U JP12869488 U JP 12869488U JP H02101852 U JPH02101852 U JP H02101852U
- Authority
- JP
- Japan
- Prior art keywords
- operating
- hydraulic
- valve
- hydraulic pilot
- switching device
- 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
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本発明の第１実施例の全体構成図。第
１図は本発明の第２実施例の全体構成図。第３図
、第４図は従来の実施例の全体構成図。
１…動力源、２，３，５１，５２…ポンプ、６
，７…油圧パイロツト弁、８…パイロツト弁、９
…操作レバー、１０…アクチユエータ、１１，２
１…切換弁。
FIG. 1 is an overall configuration diagram of a first embodiment of the present invention. FIG. 1 is an overall configuration diagram of a second embodiment of the present invention. FIGS. 3 and 4 are overall configuration diagrams of conventional embodiments. 1...Power source, 2, 3, 51, 52...Pump, 6
, 7... Hydraulic pilot valve, 8... Pilot valve, 9
...Operation lever, 10...Actuator, 11,2
1...Switching valve.
補正 平２．３．１３
図面の簡単な説明を次のように補正する。
明細書の第９頁、上から９行目「第１図は本発
明の第２実施例の……」を「第２図は本発明の第
２実施例の……」に補正する。Amendment 2.3.13 Hei 2.3.13 The brief description of the drawing is amended as follows. On page 9 of the specification, in the ninth line from the top, "FIG. 1 shows the second embodiment of the present invention..." is amended to "FIG. 2 shows the second embodiment of the present invention...".
Claims (1)
の油圧パイロツト操作弁を有するパワーシヨベル
、ブルドーザ、およびローダシヨベル等の建設機
械の油圧合流回路の切換装置において、操作レバ
ーと油圧パイロツト操作弁の間に各々の油圧パイ
ロツト操作弁を単独に、あるいは同時に作動させ
るための少なくとも一個以上切換弁を有すること
を特徴とする油圧合流回路の切換装置。 In a switching device for a hydraulic merging circuit of a construction machine such as a power shovel, bulldozer, or loader shovel, which has a plurality of hydraulic pilot operating valves operated by a plurality of pumps and operating levers, each hydraulic pilot operating valve is connected between the operating lever and the hydraulic pilot operating valve. 1. A switching device for a hydraulic merging circuit, comprising at least one switching valve for operating operating valves individually or simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12869488U JPH02101852U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12869488U JPH02101852U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101852U true JPH02101852U (en) | 1990-08-14 |
Family
ID=31382274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12869488U Pending JPH02101852U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001355613A (en) * | 2000-06-13 | 2001-12-26 | Toshiba Mach Co Ltd | Hydraulic control device and construction machinery |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6175135A (en) * | 1984-09-20 | 1986-04-17 | Hitachi Constr Mach Co Ltd | Control device for working machine |
-
1988
- 1988-09-30 JP JP12869488U patent/JPH02101852U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6175135A (en) * | 1984-09-20 | 1986-04-17 | Hitachi Constr Mach Co Ltd | Control device for working machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001355613A (en) * | 2000-06-13 | 2001-12-26 | Toshiba Mach Co Ltd | Hydraulic control device and construction machinery |
| JP4568406B2 (en) * | 2000-06-13 | 2010-10-27 | 東芝機械株式会社 | Hydraulic control device and construction machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS622805U (en) | ||
| JPH02101852U (en) | ||
| JPS6162965U (en) | ||
| JPS612568U (en) | Hydraulic pump merging device for earthmoving vehicles | |
| JPS61112069U (en) | ||
| JPS63132102U (en) | ||
| JPS63156242U (en) | ||
| JPS6184754U (en) | ||
| JPH01141834U (en) | ||
| JPS61123204U (en) | ||
| JPS6162964U (en) | ||
| JPS61133102U (en) | ||
| JPS6363547U (en) | ||
| JPH0183906U (en) | ||
| JPS5987203U (en) | Vehicle hydraulic extractor | |
| JPS61206755U (en) | ||
| JPS6415805U (en) | ||
| JPS61140201U (en) | ||
| JPH0389762U (en) | ||
| JPH0250446U (en) | ||
| JPS5951854U (en) | Hydraulic circuit of 2-pump hydraulic excavator | |
| JPS6189484U (en) | ||
| JPS6117502U (en) | Hydraulic circuit and operating mechanism | |
| JPS635059U (en) | ||
| JPH02120547U (en) |