JPH01166103U - - Google Patents
Info
- Publication number
- JPH01166103U JPH01166103U JP5599788U JP5599788U JPH01166103U JP H01166103 U JPH01166103 U JP H01166103U JP 5599788 U JP5599788 U JP 5599788U JP 5599788 U JP5599788 U JP 5599788U JP H01166103 U JPH01166103 U JP H01166103U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- hydraulic pump
- variable hydraulic
- pump
- variable
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は従来の回路図である。
１は可変油圧ポンプ、１ａは斜板、２は可変油
圧モータ、２ａは斜板、３は駆動軸、６は油圧ポ
ンプ、６ａは吐出路、７はポンプサーボ弁、８は
モータサーボ弁、９はブレーキ、１０はブレーキ
ピストン、２０はアキユームレータ。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a conventional circuit diagram. 1 is a variable hydraulic pump, 1a is a swash plate, 2 is a variable hydraulic motor, 2a is a swash plate, 3 is a drive shaft, 6 is a hydraulic pump, 6a is a discharge path, 7 is a pump servo valve, 8 is a motor servo valve, 9 is the brake, 10 is the brake piston, and 20 is the accumulator.
Claims (1)
２を駆動し、その可変油圧モータ２で走行輪の駆
動軸３を回転駆動すると共に、該駆動軸３を制動
するブレーキ９のブレーキピストン１０及び前記
可変油圧ポンプ１、モータ２の斜板１ａ，２ａを
動かすポンプ、モータサーボ弁７，８に、油圧ポ
ンプ６の吐出圧油を供給し、前記油圧ポンプ６の
吐出路６ａにアキユムレータ２０を設けたことを
特徴とする油圧駆動装置。 The variable hydraulic motor 2 is driven by the discharge pressure oil of the variable hydraulic pump 1, and the variable hydraulic motor 2 rotationally drives the drive shaft 3 of the running wheels, and the brake piston 10 of the brake 9 for braking the drive shaft 3 and the aforementioned The discharge pressure oil of the hydraulic pump 6 is supplied to the variable hydraulic pump 1, the pump that moves the swash plates 1a and 2a of the motor 2, and the motor servo valves 7 and 8, and an accumulator 20 is provided in the discharge passage 6a of the hydraulic pump 6. A hydraulic drive device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599788U JPH01166103U (en) | 1988-04-27 | 1988-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599788U JPH01166103U (en) | 1988-04-27 | 1988-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166103U true JPH01166103U (en) | 1989-11-21 |
Family
ID=31281883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5599788U Pending JPH01166103U (en) | 1988-04-27 | 1988-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166103U (en) |
-
1988
- 1988-04-27 JP JP5599788U patent/JPH01166103U/ja active Pending
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