JPH01166102U - - Google Patents
Info
- Publication number
- JPH01166102U JPH01166102U JP5599588U JP5599588U JPH01166102U JP H01166102 U JPH01166102 U JP H01166102U JP 5599588 U JP5599588 U JP 5599588U JP 5599588 U JP5599588 U JP 5599588U JP H01166102 U JPH01166102 U JP H01166102U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- hydraulic pump
- variable hydraulic
- brake
- pump
- 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はポンブサーボ弁、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、１０ａは室、１１はブレーキ制御弁、
１１ａは入口ポート、２０はチエツク弁。
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 a Brake, 10 is a brake piston, 10a is a chamber, 11 is a brake control valve,
11a is an inlet port, and 20 is a check valve.
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、油圧ポンプ６の吐
出圧油を、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と、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にブレーキ制御弁を通して供給
し、前記油圧ポンプ６の吐出路６ａにおける前記
ブレーキ制御弁１１の入口ポート１１ａ側にチエ
ツク弁２０を設けたことを特徴とする油圧駆動装
置。 The discharge pressure oil of the variable hydraulic pump 1 drives the variable hydraulic motor 2, and the variable hydraulic motor 2 rotationally drives the drive shaft 3 of the running wheels, and the discharge pressure oil of the hydraulic pump 6 is transferred to the variable hydraulic pump 1, A pump that moves the swash plates 1a and 2a of the motor 2, a motor servo valve 7
, 8 and a brake piston 10 of a brake 9 that brakes the drive shaft 3 through a brake control valve, and a check valve 20 is provided on the inlet port 11a side of the brake control valve 11 in the discharge path 6a of the hydraulic pump 6. A hydraulic drive device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599588U JPH01166102U (en) | 1988-04-27 | 1988-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599588U JPH01166102U (en) | 1988-04-27 | 1988-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166102U true JPH01166102U (en) | 1989-11-21 |
Family
ID=31281881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5599588U Pending JPH01166102U (en) | 1988-04-27 | 1988-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166102U (en) |
-
1988
- 1988-04-27 JP JP5599588U patent/JPH01166102U/ja active Pending
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