JPS63126132U - - Google Patents
Info
- Publication number
- JPS63126132U JPS63126132U JP1946287U JP1946287U JPS63126132U JP S63126132 U JPS63126132 U JP S63126132U JP 1946287 U JP1946287 U JP 1946287U JP 1946287 U JP1946287 U JP 1946287U JP S63126132 U JPS63126132 U JP S63126132U
- Authority
- JP
- Japan
- Prior art keywords
- drive system
- fluid
- axle
- driving force
- rotationally drives
- 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 description 12
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Description
第１〜３図は本考案の第１実施例としての４輪
駆動式車両を示すもので、第１図はその模式的平
面図、第２図ａ〜ｃはいずれもその油圧系を示す
回路図、第３図はその制御系のブロツク図であり
、第４図は本考案の第２実施例としての４輪駆動
式車両を示す模式的平面図であり、第５図は本考
案の第３実施例としての４輪駆動式車両を示す模
式的平面図であり、第６図は従来の２輪駆動式車
両を示す模式的平面図である。
１……バス、２……前輪、２Ａ……第２の駆動
系としての前輪駆動系、２ａ……車軸、３……後
輪、３Ａ……第１の駆動系としての後輪駆動系、
３ａ……車軸、４……後後輪、４Ａ……第２の駆
動系としての後後輪駆動系、４ａ……車軸、５…
…エンジン、６……プロペラ軸、７……デフアレ
ンシヤル、８……流体圧式ポンプ／モータとして
の油圧ポンプ／モータ、９，９′……油圧回路、
１０，１０′，１１，１１′……流体圧式モータ
／ポンプとしての油圧モータ／ポンプ、１２，１
２′……流体通路としての油路、１２ａ……主通
路部分、１２ｂ……バイパス路部分、１２ｃ……
主通路部分、１２ｄ……通路部分、１３……油溜
、１４，１５……電磁式切換弁、１４Ａ，１５Ａ
……第１切換部、１４Ｂ，１５Ｂ……第２切換部
、１４ａ，１５ａ……ソレノイド、１４ｂ，１５
ｂ……バネ、１６……制動検出機構、１６ａ……
ブレーキペダル踏込量センサ、１６ｂ……制動検
出器、１６ｃ……ブレーキペダル、１７……絞り
機構を構成する可変絞り、１７ａ……可変絞り用
ソレノイド、１８……熱交換器、１９……冷却器
、２０，２１……逆止弁、２２……制御機構とし
ての制御回路。
Figures 1 to 3 show a four-wheel drive vehicle as a first embodiment of the present invention. Figure 1 is a schematic plan view thereof, and Figures 2 a to c are circuits showing its hydraulic system. 3 is a block diagram of the control system, FIG. 4 is a schematic plan view showing a four-wheel drive vehicle as a second embodiment of the present invention, and FIG. FIG. 6 is a schematic plan view showing a four-wheel drive vehicle as a third embodiment, and FIG. 6 is a schematic plan view showing a conventional two-wheel drive vehicle. 1... bus, 2... front wheels, 2A... front wheel drive system as a second drive system, 2a... axle, 3... rear wheels, 3A... rear wheel drive system as a first drive system,
3a...Axle, 4...Rear rear wheel, 4A...Rear rear wheel drive system as a second drive system, 4a...Axle, 5...
...Engine, 6...Propeller shaft, 7...Differential, 8...Hydraulic pump/motor as fluid pressure pump/motor, 9,9'...Hydraulic circuit,
10, 10', 11, 11'... Hydraulic motor/pump as a fluid pressure motor/pump, 12, 1
2'... Oil passage as a fluid passage, 12a... Main passage part, 12b... Bypass passage part, 12c...
Main passage part, 12d...Passage part, 13...Oil sump, 14, 15...Solenoid switching valve, 14A, 15A
...First switching section, 14B, 15B... Second switching section, 14a, 15a... Solenoid, 14b, 15
b... Spring, 16... Braking detection mechanism, 16a...
Brake pedal depression amount sensor, 16b...Brake detector, 16c...Brake pedal, 17...Variable diaphragm constituting the throttle mechanism, 17a...Variable diaphragm solenoid, 18...Heat exchanger, 19...Cooler , 20, 21... Check valve, 22... Control circuit as a control mechanism.
Claims (1)
軸のうちの一の車軸を回転駆動する第１の駆動系
と、同第１の駆動系からの駆動力により上記複数
の車軸のうちの他の車軸を回転駆動する第２の駆
動系とをそなえ、同第２の駆動系が、上記第１の
駆動系からの駆動力により回転駆動される流体圧
式ポンプと、同流体圧式ポンプからの作動流体を
圧送するための流体通路と、同流体通路からの作
動流体を受けて上記第２の駆動系の車軸を回転駆
動する流体圧式モータとをそなえて構成され、上
記車両の制動状態を検出する制動検出機構と、上
記流体通路に介挿されて同流体通路の流通抵抗を
増大させうる絞り機構と、上記制動検出機構から
の検出信号を受けて上記絞り機構による絞り量を
増大制御しうる制御機構とが設けられたことを特
徴とする、４輪駆動式車両。 A first drive system that rotationally drives one axle among the plurality of axles using the driving force from the vehicle engine, and another axle among the plurality of axles using the driving force from the first drive system. and a second drive system that rotationally drives the first drive system, and the second drive system includes a fluid pressure pump that is rotationally driven by the driving force from the first drive system, and a hydraulic pump that rotates the working fluid from the fluid pressure pump. A braking detection system that includes a fluid passage for pressure feeding and a fluid pressure motor that receives working fluid from the fluid passage and rotationally drives the axle of the second drive system, and that detects the braking state of the vehicle. a throttle mechanism inserted into the fluid passageway to increase the flow resistance of the fluid passageway; and a control mechanism capable of increasing and controlling the amount of throttling by the throttle mechanism in response to a detection signal from the braking detection mechanism. A four-wheel drive vehicle characterized by being equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1946287U JPS63126132U (en) | 1987-02-13 | 1987-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1946287U JPS63126132U (en) | 1987-02-13 | 1987-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63126132U true JPS63126132U (en) | 1988-08-17 |
Family
ID=30814080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1946287U Pending JPS63126132U (en) | 1987-02-13 | 1987-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63126132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994012363A1 (en) * | 1992-11-24 | 1994-06-09 | Kabushiki Kaisha Komatsu Seisakusho | Four-wheel drive device for a large dump truck |
| WO2009146922A1 (en) * | 2008-06-07 | 2009-12-10 | Cnh Baumaschinen Gmbh | Control arrangement for vehicles having a hydrostatic auxiliary drive |
| JP2014077460A (en) * | 2012-10-09 | 2014-05-01 | Kanzaki Kokyukoki Mfg Co Ltd | Output portion braking mechanism of belt-type continuously variable transmission |
-
1987
- 1987-02-13 JP JP1946287U patent/JPS63126132U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994012363A1 (en) * | 1992-11-24 | 1994-06-09 | Kabushiki Kaisha Komatsu Seisakusho | Four-wheel drive device for a large dump truck |
| WO2009146922A1 (en) * | 2008-06-07 | 2009-12-10 | Cnh Baumaschinen Gmbh | Control arrangement for vehicles having a hydrostatic auxiliary drive |
| US11441677B2 (en) | 2008-06-07 | 2022-09-13 | Cnh Baumaschinen Gmbh | Control arrangement for vehicles having a hydrostatic auxiliary drive |
| JP2014077460A (en) * | 2012-10-09 | 2014-05-01 | Kanzaki Kokyukoki Mfg Co Ltd | Output portion braking mechanism of belt-type continuously variable transmission |
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