JPS63130368U - - Google Patents
Info
- Publication number
- JPS63130368U JPS63130368U JP2405787U JP2405787U JPS63130368U JP S63130368 U JPS63130368 U JP S63130368U JP 2405787 U JP2405787 U JP 2405787U JP 2405787 U JP2405787 U JP 2405787U JP S63130368 U JPS63130368 U JP S63130368U
- Authority
- JP
- Japan
- Prior art keywords
- interlocking
- switching
- motor
- brake
- pressure
- 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 4
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Motor Power Transmission Devices (AREA)
- Braking Systems And Boosters (AREA)
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案の実施例を示すブレーキ解除装
置のモーターブレーキ制動状態を示す液圧回路図
、第２図は同じくモーターブレーキ解除状態を示
す液圧回路図、第３図は従来の液圧駆動車両の駆
動装置を示す液圧回路図、第４図は同じくそこに
バイパス回路を設けた液圧回路図である。
１：液圧ポンプ、２：液圧モーター、２ａ：モ
ーター出力軸、３：主回路、３ａ：エンジン、４
：モーターブレーキ、５ａ：バイパスバルブ、６
：バイパス回路、１０：切換手段、１１：連動手
段、１１ａ：第一連動管、１１ｂ：第二連動管、
１２：圧液供給手段、１４：オイルタンク、１５
：液圧ポンプ、１６：切換バルブ、１７Ａ：第一
姿勢、１７Ｂ：第二姿勢、２０：電磁切換部、２
１：切換スイツチ、２１ａ：操作接点、２１ｂ：
ブレーキ制動用固定接点、２１ｃ：走行用固定接
点、２３：スタータースイツチ。
Fig. 1 is a hydraulic circuit diagram showing the motor brake braking state of a brake release device according to an embodiment of the present invention, Fig. 2 is a hydraulic circuit diagram showing the motor brake release state, and Fig. 3 is a hydraulic pressure circuit diagram showing the motor brake releasing state. FIG. 4 is a hydraulic circuit diagram showing a drive device of a driving vehicle, and is also a hydraulic circuit diagram in which a bypass circuit is provided. 1: Hydraulic pump, 2: Hydraulic motor, 2a: Motor output shaft, 3: Main circuit, 3a: Engine, 4
: Motor brake, 5a: Bypass valve, 6
: bypass circuit, 10: switching means, 11: interlocking means, 11a: first interlocking pipe, 11b: second interlocking pipe,
12: Pressure liquid supply means, 14: Oil tank, 15
: Hydraulic pump, 16: Switching valve, 17A: First posture, 17B: Second posture, 20: Electromagnetic switching section, 2
1: Selector switch, 21a: Operation contact, 21b:
Fixed contact for braking, 21c: Fixed contact for running, 23: Starter switch.
Claims (1)
液により駆動される可変容量液圧モーターとを有
する主回路にその回路封入圧を逃すためのバイパ
ス回路が設けられ、エンジン駆動時に車両の動き
出しを防止するための液圧モーター出力軸の制動
用モーターブレーキが設けられた液圧駆動車両に
おいて、前記車両の走行および前記モーターブレ
ーキの作動を切換える切換手段が設けられ、前記
モーターブレーキの解除と前記バイパス回路の閉
動作とを連動する連動手段と、前記切換手段の走
行への切換えと連動し前記連動手段にブレーキ解
除用圧液を供給する圧液供給手段とを具えたこと
を特徴とする液圧駆動車両のブレーキ解除装置。 A main circuit including a variable displacement hydraulic pump and a variable displacement hydraulic motor driven by pressure fluid from the hydraulic pump is provided with a bypass circuit to release the pressure sealed in the circuit, and when the engine is running, the vehicle starts moving. A hydraulically driven vehicle is provided with a motor brake for braking the output shaft of a hydraulic motor to prevent this, and a switching means is provided for switching between traveling of the vehicle and operation of the motor brake; A hydraulic fluid characterized by comprising an interlocking means for interlocking the closing operation of the bypass circuit, and a pressure fluid supply means for interlocking with the switching of the switching means to running and supplying the brake release pressure fluid to the interlocking means. Brake release device for pressure-driven vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2405787U JPS63130368U (en) | 1987-02-19 | 1987-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2405787U JPS63130368U (en) | 1987-02-19 | 1987-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63130368U true JPS63130368U (en) | 1988-08-25 |
Family
ID=30822938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2405787U Pending JPS63130368U (en) | 1987-02-19 | 1987-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63130368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010117004A (en) * | 2008-11-14 | 2010-05-27 | Kubota Corp | Work vehicle |
-
1987
- 1987-02-19 JP JP2405787U patent/JPS63130368U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010117004A (en) * | 2008-11-14 | 2010-05-27 | Kubota Corp | Work vehicle |
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