JPS62196252U - - Google Patents
Info
- Publication number
- JPS62196252U JPS62196252U JP8365386U JP8365386U JPS62196252U JP S62196252 U JPS62196252 U JP S62196252U JP 8365386 U JP8365386 U JP 8365386U JP 8365386 U JP8365386 U JP 8365386U JP S62196252 U JPS62196252 U JP S62196252U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- rise
- swing motor
- hydraulic
- variable regulator
- 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 2
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の一実施例を示す油圧シヨベル
の油圧回路図、第２図はバケツトの移動軌跡を示
す図である。
１…第１の油圧ポンプ、２…第２の油圧ポンプ
、３，４…多連切換弁、５…旋回用コントロール
バルブ、６…ブーム増速用コントロールバルブ、
７…ブーム用コントロールバルブ、８…旋回モー
タ、８′…可変レギユレータ、９…ブームシリン
ダ、１０，１１…パイロツト切換弁、１３…上昇
検知器、１４…増幅器、１５…設定器。
FIG. 1 is a hydraulic circuit diagram of a hydraulic excavator showing an embodiment of the present invention, and FIG. 2 is a diagram showing a movement locus of a bucket. DESCRIPTION OF SYMBOLS 1...First hydraulic pump, 2...Second hydraulic pump, 3, 4...Multiple switching valve, 5...Swivel control valve, 6...Boom speed increase control valve,
7... Boom control valve, 8... Swivel motor, 8'... Variable regulator, 9... Boom cylinder, 10, 11... Pilot switching valve, 13... Lift detector, 14... Amplifier, 15... Setting device.
Claims (1)
モータに作用する油圧を自由に設定できるように
すると共に、ブームの上昇を検知する手段を設け
、該ブームの上昇を検知した時のみ前記可変レギ
ユレータが作動するようにしたことを特徴とする
油圧シヨベルの油圧回路。 A variable regulator is provided on the swing motor so that the hydraulic pressure acting on the swing motor can be freely set, and a means for detecting the rise of the boom is provided, and the variable regulator operates only when the rise of the boom is detected. A hydraulic circuit for a hydraulic excavator characterized by the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986083653U JPH072727Y2 (en) | 1986-06-03 | 1986-06-03 | Hydraulic circuit of hydraulic shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986083653U JPH072727Y2 (en) | 1986-06-03 | 1986-06-03 | Hydraulic circuit of hydraulic shovel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62196252U true JPS62196252U (en) | 1987-12-14 |
| JPH072727Y2 JPH072727Y2 (en) | 1995-01-25 |
Family
ID=30937431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986083653U Expired - Lifetime JPH072727Y2 (en) | 1986-06-03 | 1986-06-03 | Hydraulic circuit of hydraulic shovel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH072727Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015125503A1 (en) * | 2014-02-20 | 2015-08-27 | 日立建機株式会社 | Construction machine |
| CN115012467A (en) * | 2022-06-17 | 2022-09-06 | 山河智能装备股份有限公司 | Action matching control system for excavator rotary platform and working device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126829A (en) * | 1983-01-10 | 1984-07-21 | Hitachi Constr Mach Co Ltd | Oil pressure controller for oil-pressure shovel |
-
1986
- 1986-06-03 JP JP1986083653U patent/JPH072727Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126829A (en) * | 1983-01-10 | 1984-07-21 | Hitachi Constr Mach Co Ltd | Oil pressure controller for oil-pressure shovel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015125503A1 (en) * | 2014-02-20 | 2015-08-27 | 日立建機株式会社 | Construction machine |
| JP2015155615A (en) * | 2014-02-20 | 2015-08-27 | 日立建機株式会社 | Construction machine |
| US9863123B2 (en) | 2014-02-20 | 2018-01-09 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
| CN115012467A (en) * | 2022-06-17 | 2022-09-06 | 山河智能装备股份有限公司 | Action matching control system for excavator rotary platform and working device |
| CN115012467B (en) * | 2022-06-17 | 2023-12-19 | 山河智能装备股份有限公司 | Excavator rotary platform and working device action matching control system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH072727Y2 (en) | 1995-01-25 |