JPS6140496U - hydraulic drive - Google Patents
hydraulic driveInfo
- Publication number
- JPS6140496U JPS6140496U JP12282184U JP12282184U JPS6140496U JP S6140496 U JPS6140496 U JP S6140496U JP 12282184 U JP12282184 U JP 12282184U JP 12282184 U JP12282184 U JP 12282184U JP S6140496 U JPS6140496 U JP S6140496U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- pressure oil
- hydraulic drive
- series
- directional
- 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
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第１図ないし第３図は本考案の１実施例を示すそれそれ
異る作動状況における回路図、第４図はクローラドリル
の略示的側面図である。
第１９油圧ポンプ・・・・・・２、可変流量制御弁・・
・・・・４、方向切換弁・・・・・・５、油圧モータ・
・・・・・１、第２の油圧ポンプ・・・・・・３、速度
切換用の方向切換弁・・・・・・６。BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 3 are circuit diagrams showing one embodiment of the present invention in different operating situations, and FIG. 4 is a schematic side view of a crawler drill. No. 19 hydraulic pump...2, variable flow control valve...
...4, Directional switching valve ...5, Hydraulic motor
...1. Second hydraulic pump ...3. Directional switching valve for speed switching ...6.
Claims (1)
、方向切換弁を経て油圧モータに供給されるようにこれ
らをこの順に直列に接続するとともに上記可変流量制御
弁と上記方向切換弁との間に第２の油圧ポンプから吐出
された圧油が速度切換用の方向切換弁を経て合流できる
ように接続したこどを特徴とする油圧駆動装置。These are connected in series in this order so that the pressure oil discharged from the first hydraulic pump is supplied to the hydraulic motor via the variable flow control valve and the directional control valve, and the variable flow control valve and the directional control valve are connected in series in this order. A hydraulic drive device characterized in that the pressure oil discharged from the second hydraulic pump is connected so that the pressure oil can be merged through a directional switching valve for speed switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12282184U JPS6140496U (en) | 1984-08-13 | 1984-08-13 | hydraulic drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12282184U JPS6140496U (en) | 1984-08-13 | 1984-08-13 | hydraulic drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6140496U true JPS6140496U (en) | 1986-03-14 |
| JPH0221603Y2 JPH0221603Y2 (en) | 1990-06-11 |
Family
ID=30681578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12282184U Granted JPS6140496U (en) | 1984-08-13 | 1984-08-13 | hydraulic drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6140496U (en) |
-
1984
- 1984-08-13 JP JP12282184U patent/JPS6140496U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221603Y2 (en) | 1990-06-11 |
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