JPS62137129U - - Google Patents
Info
- Publication number
- JPS62137129U JPS62137129U JP2554486U JP2554486U JPS62137129U JP S62137129 U JPS62137129 U JP S62137129U JP 2554486 U JP2554486 U JP 2554486U JP 2554486 U JP2554486 U JP 2554486U JP S62137129 U JPS62137129 U JP S62137129U
- Authority
- JP
- Japan
- Prior art keywords
- wheel drive
- hydraulic pump
- switching valve
- hydraulic
- 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
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Road Paving Machines (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図はアスフアルトフイツシヤの全体側面図
、第２図は本考案の一実施例を示す制御回路、第
３図は同実施例のＡ部分の変更例、第４図は本考
案の他実施例を示す制御回路である。
１……後輪駆動用油圧ポンプ、２……ポンプ制
御回路、３……エンジン、４……チヤージポンプ
、７……後輪駆動用油圧モータ、８……モータ制
御回路、１７……トランスミツシヨン、１９……
前輪駆動用油圧モータ、２０……モータ制御回路
、２１……切換弁、２２……モータケーシング内
定圧保持回路、２３……絞り弁、２４……チエツ
ク弁、２６……切換弁、２７……チエツク弁。
Fig. 1 is an overall side view of an asphalt fisherman, Fig. 2 is a control circuit showing one embodiment of the present invention, Fig. 3 is a modification of part A of the same embodiment, and Fig. 4 is another embodiment of the present invention. This is a control circuit showing the following. DESCRIPTION OF SYMBOLS 1... Hydraulic pump for rear wheel drive, 2... Pump control circuit, 3... Engine, 4... Charge pump, 7... Hydraulic motor for rear wheel drive, 8... Motor control circuit, 17... Transmission , 19...
Hydraulic motor for front wheel drive, 20... Motor control circuit, 21... Switching valve, 22... Constant pressure holding circuit in motor casing, 23... Throttle valve, 24... Check valve, 26... Switching valve, 27... Check valve.
Claims (1)
ータを切換弁を介して接続し、かつ、該モータケ
ーシング内に圧油を供給可能に、前記油圧ポンプ
と同一エンジンで回転駆動されるポンプを接続す
ると共に、前記切換弁を、後輪駆動用のトランス
ミツシヨンの低速／高速ギヤ装置に対応して、前
記油圧ポンプ・油圧モータ間を低速時で連通させ
、高速時で遮断するよう動作可能に設けたことを
特徴とする道路機械の前輪駆動装置。 A hydraulic motor for front wheel drive is connected to a hydraulic pump for rear wheel drive via a switching valve, and a pump rotationally driven by the same engine as the hydraulic pump is provided so as to be able to supply pressure oil into the motor casing. At the same time, the switching valve is operable to communicate between the hydraulic pump and the hydraulic motor at low speeds and to disconnect them at high speeds in response to a low speed/high speed gear device of a rear wheel drive transmission. A front wheel drive device for a road machine characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2554486U JPS62137129U (en) | 1986-02-24 | 1986-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2554486U JPS62137129U (en) | 1986-02-24 | 1986-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62137129U true JPS62137129U (en) | 1987-08-29 |
Family
ID=30825795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2554486U Pending JPS62137129U (en) | 1986-02-24 | 1986-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62137129U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995024325A1 (en) * | 1994-03-07 | 1995-09-14 | Komatsu Ltd. | Travelling drive device for work vehicle |
| WO1998004428A1 (en) | 1996-07-31 | 1998-02-05 | Komatsu Ltd. | Travelling equipment for hydraulic four-wheel drive vehicle |
| JP2023044732A (en) * | 2021-09-20 | 2023-03-31 | ハム アーゲー | Earth removing machine and operation method thereof |
-
1986
- 1986-02-24 JP JP2554486U patent/JPS62137129U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995024325A1 (en) * | 1994-03-07 | 1995-09-14 | Komatsu Ltd. | Travelling drive device for work vehicle |
| KR100230674B1 (en) * | 1994-03-07 | 1999-11-15 | 안자키 사토루 | Travelling drive device for work vehicle |
| WO1998004428A1 (en) | 1996-07-31 | 1998-02-05 | Komatsu Ltd. | Travelling equipment for hydraulic four-wheel drive vehicle |
| JP2023044732A (en) * | 2021-09-20 | 2023-03-31 | ハム アーゲー | Earth removing machine and operation method thereof |
| US11971099B2 (en) | 2021-09-20 | 2024-04-30 | Hamm Ag | Soil processing machine and method for operating a soil processing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58135551U (en) | Tractor drive structure | |
| JPS62137129U (en) | ||
| JPH02135751U (en) | ||
| JPH0333264U (en) | ||
| JPS59131321U (en) | Hydraulic power transmission for work vehicles | |
| JPS6327518U (en) | ||
| JPS63196732U (en) | ||
| JPS58161727U (en) | Transmission for self-propelled work vehicles | |
| JPS60131429U (en) | Vehicle power transmission device | |
| JPS6381718U (en) | ||
| JPS6037434U (en) | Power take-off shaft device for automatic bicycles | |
| JPH0292323U (en) | ||
| JPS62134902U (en) | ||
| JPS61138831U (en) | ||
| JPS5873027U (en) | PTO device of running vehicle | |
| JPS61196126U (en) | ||
| JPS6223737U (en) | ||
| JPH01136763U (en) | ||
| JPH01103477U (en) | ||
| JPS62424U (en) | ||
| JPS63145721U (en) | ||
| JPS6325635U (en) | ||
| JPS6076552U (en) | Hydraulic circuit for self-propelled vehicles | |
| JPS6229931U (en) | ||
| JPS6247738U (en) |