JPS62148656U - - Google Patents
Info
- Publication number
- JPS62148656U JPS62148656U JP3556686U JP3556686U JPS62148656U JP S62148656 U JPS62148656 U JP S62148656U JP 3556686 U JP3556686 U JP 3556686U JP 3556686 U JP3556686 U JP 3556686U JP S62148656 U JPS62148656 U JP S62148656U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- hydraulic
- supply passage
- switching valve
- pipe line
- 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 description 2
- 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系統図、第２
図は公知の建設機械の油圧系統図である。
１……ポンプ、２……主切換弁、８……走行モ
ーター、８ａ……正転ポート、８ｂ……逆転ポー
ト、８ｃ……スプロケツト、１１……ドレンポー
ト、１２，１３……管路、１４，１５……パイロ
ツト切換弁、１６，１７……管路、１８……逆止
弁、１９……切換弁、２０……蓄圧器、２１……
増圧器、２１ａ……ピストン、２１ｂ……バネ、
２１ｃ……吐出ポート、２２……パイロツト管路
、２３……パイロツト切換弁、２４……管路、２
５……高圧リリーフ弁、２６……管路、２７……
逆止弁、２８……逆止弁、２９……管路、３０…
…パイロツト管路、３１……逆止弁、３２……切
換弁、３３……蓄圧器、３４……増圧器、３４ａ
……ピストン、３４ｂ……バネ、３４ｃ……吐出
ポート、３５……パイロツト管路、３６……パイ
ロツト切換弁、３７……管路、３８……高圧リリ
ーフ弁、３９……管路、４０，４１……逆止弁、
４２……管路、４３……パイロツト管路。
Figure 1 is a system diagram showing one embodiment of the present invention;
The figure is a hydraulic system diagram of a known construction machine. 1...Pump, 2...Main switching valve, 8...Travel motor, 8a...Forward rotation port, 8b...Reverse rotation port, 8c...Sprocket, 11...Drain port, 12, 13...Pipe line, 14, 15...Pilot switching valve, 16, 17...Pipeline, 18...Check valve, 19...Switching valve, 20...Pressure accumulator, 21...
Pressure booster, 21a...piston, 21b...spring,
21c...Discharge port, 22...Pilot conduit, 23...Pilot switching valve, 24...Pipe line, 2
5...High pressure relief valve, 26...Pipeline, 27...
Check valve, 28...Check valve, 29...Pipe line, 30...
... Pilot pipe line, 31 ... Check valve, 32 ... Switching valve, 33 ... Pressure accumulator, 34 ... Pressure booster, 34a
...Piston, 34b...Spring, 34c...Discharge port, 35...Pilot line, 36...Pilot switching valve, 37...Pipe line, 38...High pressure relief valve, 39...Pipe line, 40, 41...Check valve,
42...Pipe line, 43...Pilot pipe line.
Claims (1)
て接続された蓄圧器と、上記蓄圧器に接続された
増圧器と、上記増圧器の出力油圧を上記油圧モー
ターの油圧供給通路に導入する管路とを具えたこ
とを特徴とする建設機械の運転制御装置。 A pressure accumulator connected to a hydraulic pressure supply passage to the hydraulic motor via a switching valve, a pressure intensifier connected to the pressure accumulator, and a pipe for introducing the output hydraulic pressure of the pressure intensifier into the hydraulic pressure supply passage of the hydraulic motor. An operation control device for construction machinery characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3556686U JPS62148656U (en) | 1986-03-12 | 1986-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3556686U JPS62148656U (en) | 1986-03-12 | 1986-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62148656U true JPS62148656U (en) | 1987-09-19 |
Family
ID=30845176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3556686U Pending JPS62148656U (en) | 1986-03-12 | 1986-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62148656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025155A (en) * | 2006-07-19 | 2008-02-07 | Nippon Sharyo Seizo Kaisha Ltd | Pile driver |
-
1986
- 1986-03-12 JP JP3556686U patent/JPS62148656U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025155A (en) * | 2006-07-19 | 2008-02-07 | Nippon Sharyo Seizo Kaisha Ltd | Pile driver |
| JP4543019B2 (en) * | 2006-07-19 | 2010-09-15 | 日本車輌製造株式会社 | Pile driver |