JPH0229832U

JPH0229832U -

Info

Publication number: JPH0229832U
Application number: JP10893388U
Authority: JP
Priority date: 1988-08-19
Filing date: 1988-08-19
Publication date: 1990-02-26

Description

[Brief explanation of drawings]

図面は本考案の１実施例を示すものであつて、
第１図はトランスミツシヨンの展開断面図、第２
図はクラツチペタルと主クラツチの連繋を示す側
面図、第３図は変速操作部の平面図、第４図は同
上側面図、第５図は油圧クラツチの断面図、第６
図は同上油圧回路図、第７図は逆止絞弁取付部の
断面図、第８図ａは逆止絞弁の断面図、ｂ同上底
面図、第９図は同上他例の断面図、第１０図ａは
緩衝装置付きクラツチペタルの平面図、ｂは同上
側面図、第１１図はオイルダンパーの断面図、第
１２図はオイルダンパーの作用を示す側面図であ
る。１……ミツシヨンケース、２……主クラツチ、
３……入力軸、５……ＰＴＯ変速部、６……走行
変速部、１２……後進歯車、１４……前進歯車、
１０，２０……スライドスリーブ、２８……油圧
クラツチ、３０……クラツチペタル、３８……変
速規制板、３８ａ……凹部、３９……シフトレー
ル、４７……規制ピン。 The drawings show one embodiment of the present invention,
Figure 1 is an exploded sectional view of the transmission, Figure 2
The figure is a side view showing the connection between the clutch pedal and the main clutch, Figure 3 is a plan view of the gear shift operation section, Figure 4 is a side view of the same as above, Figure 5 is a sectional view of the hydraulic clutch, and Figure 6 is a side view showing the connection between the clutch pedal and the main clutch.
Figure 7 is a sectional view of the check throttle valve mounting part, Figure 8 a is a sectional view of the check throttle valve, b is a bottom view of the same as above, Figure 9 is a sectional view of another example of the same as above, Fig. 10a is a plan view of the clutch petal with a shock absorbing device, b is a side view of the same, Fig. 11 is a sectional view of the oil damper, and Fig. 12 is a side view showing the action of the oil damper. 1...Mission case, 2...Main clutch,
3... Input shaft, 5... PTO transmission section, 6... Traveling transmission section, 12... Reverse gear, 14... Forward gear,
DESCRIPTION OF SYMBOLS 10, 20... Slide sleeve, 28... Hydraulic clutch, 30... Clutch petal, 38... Speed change regulation plate, 38a... Recessed part, 39... Shift rail, 47... Regulation pin.

Claims

[Scope of utility model registration request]

A main clutch 2 is disposed on the upper side in the transmission direction of a transmission having a traveling transmission section 6 and a PTO transmission section 5.
In the tractor, which is provided with a drive system clutch on the lower side, and in which the main clutch 2 is connected and disconnected by a clutch pedal 30, the clutch pedal 30 is connected to the main clutch 2 and the drive system clutch, and the first stage of the clutch pedal 30 is connected to the main clutch 2 and the drive system clutch. The driving system clutch is disengaged when the clutch is depressed, and the main clutch 2 is disengaged when the clutch is depressed in the second stage. A gear shift regulating device for a tractor, characterized in that the clutch pedal is interlocked with the transmission system so that the second stage depression is further unlocked.