JPH0344078U - - Google Patents
Info
- Publication number
- JPH0344078U JPH0344078U JP10505189U JP10505189U JPH0344078U JP H0344078 U JPH0344078 U JP H0344078U JP 10505189 U JP10505189 U JP 10505189U JP 10505189 U JP10505189 U JP 10505189U JP H0344078 U JPH0344078 U JP H0344078U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- continuously variable
- operated
- telescopic device
- work vehicle
- 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 4
- 230000002706 hydrostatic effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
図面は本考案に係る作業車の実施例を示し、第
１図は操向操作レバー、操作機構、油圧ポンプ及
び伸縮装置を示す概略説明図、第２図は伸縮装置
を示す横断平面図、第３図は別実施例として伸縮
装置を油圧ポンプの斜板角操作アームを設けた構
造を示す概略説明図、第４図はバツクホウ作業車
を示す全体側面図である。
１ａ，１ｂ…走行装置、８ａ，８ｂ…操向操作
レバー、１１ａ，１１ｂ…操作機構、１５…伸縮
装置、１６ａ，１６ｂ…付勢部材、Ｔ１，Ｔ２…
静油圧式無段変速装置。
The drawings show an embodiment of the working vehicle according to the present invention, and FIG. 1 is a schematic explanatory diagram showing a steering control lever, an operating mechanism, a hydraulic pump, and a telescoping device, and FIG. 2 is a cross-sectional plan view showing the telescoping device. FIG. 3 is a schematic explanatory view showing a structure in which the telescoping device is provided with a swash plate angle operating arm of a hydraulic pump as another embodiment, and FIG. 4 is an overall side view showing a backhoe working vehicle. 1a, 1b... Traveling device, 8a, 8b... Steering operation lever, 11a, 11b... Operating mechanism, 15... Telescopic device, 16a, 16b... Biasing member, T 1 , T 2 ...
Hydrostatic continuously variable transmission.
Claims (1)
８ａ，８ｂの夫々と、一対の静油圧式無段変速装
置Ｔ１，Ｔ２の夫々とを、操作機構１１ａ，１１
ｂを介して連係してあるとともに、左右一対の走
行装置１ａ，１ｂの夫々を、相対応する前記静油
圧式無段変速装置Ｔ１，Ｔ２で前後進及び変速操
作されるように設けた作業車において、互いに相
反する方向に操作された前記操向操作レバー８ａ
，８ｂの夫々の操作量の和が所定値以上になるこ
とを阻止するように伸縮限界を設定した伸縮装置
１５を前記操作機構１１ａ，１１ｂに設けてある
とともに、前記両操向操作レバー８ａ，８ｂに対
して中立がわに向けての復帰力を付与する付勢部
材１６ａ，１６ｂを前記伸縮装置１５に設けてあ
ることを特徴とする作業車。 A pair of left and right steering levers 8a and 8b, which can be freely swung back and forth, and a pair of hydrostatic continuously variable transmissions T 1 and T 2 are operated by operating mechanisms 11a and 11, respectively.
The pair of left and right traveling devices 1a and 1b are connected to each other via a transmission line b, and each of the left and right traveling devices 1a and 1b is provided so that the corresponding hydrostatic continuously variable transmissions T1 and T2 can move forward and backward and change gears. In the work vehicle, the steering operation levers 8a are operated in opposite directions.
. A work vehicle characterized in that the telescopic device 15 is provided with biasing members 16a and 16b that apply a return force toward the neutral side to the telescopic device 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10505189U JPH0344078U (en) | 1989-09-07 | 1989-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10505189U JPH0344078U (en) | 1989-09-07 | 1989-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344078U true JPH0344078U (en) | 1991-04-24 |
Family
ID=31653824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10505189U Pending JPH0344078U (en) | 1989-09-07 | 1989-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021183A (en) * | 2000-07-07 | 2002-01-23 | Hojudo:Kk | Assembly member for temporary structure |
-
1989
- 1989-09-07 JP JP10505189U patent/JPH0344078U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021183A (en) * | 2000-07-07 | 2002-01-23 | Hojudo:Kk | Assembly member for temporary structure |
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