JPS63190658U - - Google Patents
Info
- Publication number
- JPS63190658U JPS63190658U JP8354187U JP8354187U JPS63190658U JP S63190658 U JPS63190658 U JP S63190658U JP 8354187 U JP8354187 U JP 8354187U JP 8354187 U JP8354187 U JP 8354187U JP S63190658 U JPS63190658 U JP S63190658U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- pump
- cargo handling
- traveling
- hydraulic circuit
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
Landscapes
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案の第二実施例を示す車両の液圧
駆動装置の液圧回路図、第２図は本考案の第二実
施例を示す車両の液圧駆動装置の液圧回路図、第
３図は従来例を示す車両の液圧駆動装置の液圧回
路図、第４図は他の従来例を示す車両の液圧駆動
装置の液圧回路図である。
２：液圧モーター、３：走行用液圧回路、５：
荷役装置、５ａ：切替バルブ、６：液圧ポンプ、
７：荷役用液圧回路、１０：車輪、１１：チヤー
ジポンプ、１３：フイルター、１６：走行用ポン
プ、２１：管路、２２：圧液タンク、３０：電磁
クラツチ、３２：圧力スイツチ、Ａ：液圧駆動装
置。
FIG. 1 is a hydraulic circuit diagram of a hydraulic drive system for a vehicle showing a second embodiment of the present invention; FIG. 2 is a hydraulic circuit diagram of a hydraulic drive system for a vehicle showing a second embodiment of the present invention; FIG. 3 is a hydraulic circuit diagram of a hydraulic drive device for a vehicle showing a conventional example, and FIG. 4 is a hydraulic circuit diagram of a hydraulic drive device for a vehicle showing another conventional example. 2: Hydraulic motor, 3: Hydraulic circuit for driving, 5:
Cargo handling device, 5a: switching valve, 6: hydraulic pump,
7: Cargo handling hydraulic circuit, 10: Wheels, 11: Charge pump, 13: Filter, 16: Traveling pump, 21: Pipe line, 22: Pressure liquid tank, 30: Electromagnetic clutch, 32: Pressure switch, A: Liquid Pressure drive device.
Claims (1)
回路と、前記液圧ポンプに接続され車輪の駆動用
液圧モーターを有する走行用液圧回路とを具え、
キヤビテーシヨンの発生時に前記液圧モーターに
圧液を補助供給するための補助チヤージポンプが
設けられたことを特徴とする車両の液圧駆動装置
。 A cargo handling hydraulic circuit having a hydraulic pump for both cargo handling and traveling, and a traveling hydraulic circuit connected to the hydraulic pump and having a hydraulic motor for driving wheels,
A hydraulic drive system for a vehicle, characterized in that an auxiliary charge pump is provided for auxiliary supply of pressure fluid to the hydraulic motor when cavitation occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8354187U JPS63190658U (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8354187U JPS63190658U (en) | 1987-05-29 | 1987-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63190658U true JPS63190658U (en) | 1988-12-08 |
Family
ID=30937227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8354187U Pending JPS63190658U (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63190658U (en) |
-
1987
- 1987-05-29 JP JP8354187U patent/JPS63190658U/ja active Pending
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