JPH03110919U - - Google Patents
Info
- Publication number
- JPH03110919U JPH03110919U JP2077290U JP2077290U JPH03110919U JP H03110919 U JPH03110919 U JP H03110919U JP 2077290 U JP2077290 U JP 2077290U JP 2077290 U JP2077290 U JP 2077290U JP H03110919 U JPH03110919 U JP H03110919U
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- view
- operation shaft
- change operation
- disconnecting
- 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 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
第１図は本考案に係る作業車輌の走行操作装置
の斜視図、第２図は走行操作装置の要部の正面図
、第３図は走行操作装置の要部の側面図、第４図
は走行操作装置の要部の断面図である。第５図ａ
は操作アームの正面図、第５図ｂは操作アームの
一部断面を含む側面図、第５図ｃは操作アームの
底面図である。第６図ａは斜板軸受動板の正面図
、第６図ｂは斜板軸受動板の側面図である。第７
図ａはリターンシヤフトの正面図、第７図ｂはリ
ターン−シヤフトの側断面図である。第８図ａは
リターンスプリングの正面図、第８図ｂはリター
ンスプリングの側面図である。第９図はリターン
プレートを示す正面図、第１０図ａはノツクピン
の正面図、第１０図ｂはノツクピンの側面図であ
る。第１１図ａは偏心ピンの正面図、第１１図ｂ
は偏心ピンの側面図、第１２図ａはワイヤアーム
の正面図、第１２図ｂはワイヤアームの側断面図
、第１３図ａはアームの正面図、第１３図ｂはア
ームの側面である。第１４図トランスミツシヨン
に油圧伝動装置を取付けた断面図であり、第１５
図ａは油圧伝動装置の正面図、第１５図ｂは油圧
伝動装置の側面図、第１５図ｃは油圧伝動装置の
平面図である。
１……油圧伝動装置、２……油圧ポンプ、３…
…油圧モータ、５……変速操作軸（斜板軸）、１
８ｃ……断接手段（凹部）、１９……中立付勢手
段（リターンシヤフト）、２２……中立付勢手段
（リターンスプリング）、２３……中立付勢手段
（リターンプレート）、２４……スプリング（圧
縮スプリング）、２７……断接手段（ノツクピン
）、４０……変速レバー、５０……操作ペダル（
クラツチペダル）、Ｎ……中立位置。
Fig. 1 is a perspective view of the travel control device for a working vehicle according to the present invention, Fig. 2 is a front view of the main parts of the drive control device, Fig. 3 is a side view of the main parts of the drive control device, and Fig. 4 is a side view of the main parts of the drive control device. FIG. 3 is a cross-sectional view of a main part of the travel operating device. Figure 5a
5 is a front view of the operating arm, FIG. 5b is a side view including a partial cross section of the operating arm, and FIG. 5c is a bottom view of the operating arm. FIG. 6a is a front view of the swash plate shaft driven plate, and FIG. 6b is a side view of the swash plate shaft driven plate. 7th
Figure a is a front view of the return shaft, and Figure 7b is a side sectional view of the return shaft. FIG. 8a is a front view of the return spring, and FIG. 8b is a side view of the return spring. FIG. 9 is a front view of the return plate, FIG. 10a is a front view of the dowel pin, and FIG. 10b is a side view of the dowel pin. Figure 11a is a front view of the eccentric pin, Figure 11b
is a side view of the eccentric pin, FIG. 12a is a front view of the wire arm, FIG. 12b is a side sectional view of the wire arm, FIG. 13a is a front view of the arm, and FIG. 13b is a side view of the arm. . Fig. 14 is a sectional view of the hydraulic transmission attached to the transmission;
Figure 15a is a front view of the hydraulic transmission, Figure 15b is a side view of the hydraulic transmission, and Figure 15c is a plan view of the hydraulic transmission. 1...Hydraulic transmission device, 2...Hydraulic pump, 3...
... Hydraulic motor, 5 ... Speed change operation shaft (swash plate shaft), 1
8c... Connection/disconnection means (recess), 19... Neutral biasing means (return shaft), 22... Neutral biasing means (return spring), 23... Neutral biasing means (return plate), 24... Spring (compression spring), 27...connection/disconnection means (knock pin), 40...shift lever, 50...operation pedal (
clutch pedal), N...neutral position.
Claims (1)
、該変速操作軸の中立位置からの正逆転方向の回
転に基づき、前記油圧ポンプからの吐出量を変化
して前記油圧モータの回転を無段階に変速する油
圧伝動装置を備えてなる作業車輌において、 前記変速操作軸と変速レバーとの間に介在し、
これら操作軸及び変速レバーの連動を断接する断
接手段と、 該断接手段に連結し、該断接手段を接続状態か
ら断状態に切換える操作ペダルと、 前記断接手
段の前記変速操作軸則に配置され、該変速操作軸
を前記中立位置に向けて付勢する中立付勢手段と
、 前記断接手段の前記変速レバー側に連結され、
前記変速操作軸からの変動を規制するダンパーと
、 を備えてなることを特徴とする作業車輌の走行操
作装置。[Claims for Utility Model Registration] It has a hydraulic pump, a hydraulic motor, and a speed change operation shaft, and based on the rotation of the speed change operation shaft in the forward and reverse directions from a neutral position, the discharge amount from the hydraulic pump is changed to In a work vehicle equipped with a hydraulic transmission device for steplessly changing the rotation speed of a hydraulic motor, interposed between the speed change operation shaft and the speed change lever,
A connecting/disconnecting means for connecting/disconnecting interlocking of these operation shafts and the gear shift lever; an operating pedal connected to the connecting/disconnecting means and switching the connecting/disconnecting means from a connected state to a disconnected state; and the speed change operation axis rule of the connecting/disconnecting means. a neutral biasing means disposed at and biasing the shift operation shaft toward the neutral position; connected to the shift lever side of the connection/disconnection means;
A travel control device for a work vehicle, comprising: a damper that regulates fluctuations from the speed change operation shaft;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2077290U JPH03110919U (en) | 1990-03-01 | 1990-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2077290U JPH03110919U (en) | 1990-03-01 | 1990-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110919U true JPH03110919U (en) | 1991-11-13 |
Family
ID=31523858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2077290U Pending JPH03110919U (en) | 1990-03-01 | 1990-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03110919U (en) |
-
1990
- 1990-03-01 JP JP2077290U patent/JPH03110919U/ja active Pending
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