JPH03130930U

JPH03130930U -

Info

Publication number: JPH03130930U
Application number: JP4044590U
Authority: JP
Priority date: 1990-04-16
Filing date: 1990-04-16
Publication date: 1991-12-27

Description

[Brief explanation of drawings]

第１図は本案一実施例を装備する作業車ミツシ
ヨンケースの横断平面図、第２図は第１図の一部
分の拡大図、第３図は第２図に図示の部分を異な
つた状能で示す横断平面図、第４図は実施例の一
部分の一部切欠き斜視図、第５図は第１図の−
線にほぼ沿つた断面図である。１……ミツシヨンケース、２……車軸、３……
クラツチハウジング、４……サイドクラツチ、５
……サイドブレーキ、６……シフタスリーブ、６
ａ……押圧部、７……クラツチばね、８……クラ
ツチアーム、８ａ……押圧部、９……支承穴、１
０……円板体、１０ａ……ピン、１３……伝動軸
、１８……管軸、２０，２１……歯車、２３，２
４……摩擦エレメント、２７……環状ブロツク、
２８……ピン、３０……摩擦エレメント、３１Ａ
，３１Ｂ……摩擦エレメント、３６……溝穴。 Fig. 1 is a cross-sectional plan view of a working vehicle transmission case equipped with an embodiment of the present invention, Fig. 2 is an enlarged view of a portion of Fig. 1, and Fig. 3 shows the portion shown in Fig. 2 in a different state. 4 is a partially cutaway perspective view of a part of the embodiment, and FIG. 5 is a cross-sectional plan view shown in FIG. 1.
FIG. 3 is a sectional view taken substantially along the line. 1...Mission case, 2...Axle, 3...
Clutch housing, 4...Side clutch, 5
...Handbrake, 6...Shifter sleeve, 6
a... Pressing part, 7... Clutch spring, 8... Clutch arm, 8a... Pressing part, 9... Supporting hole, 1
0... Disc body, 10a... Pin, 13... Transmission shaft, 18... Tube shaft, 20, 21... Gear, 23, 2
4... Friction element, 27... Annular block,
28...Pin, 30...Friction element, 31A
, 31B...Friction element, 36...Slot hole.

Claims

[Scope of claim for utility model registration] In the transmission case 1, the left and right axles 2
A multi-disc friction type left and right side clutch 4 is provided in the left and right clutch housings 3 interlockingly connected to the left and right clutch housings 3, and a multi-disc friction type left and right side brake 5 is provided with the above-mentioned left and right clutch housings 3 as braked bodies. A shifter sleeve 6, which is provided on the outer periphery of the left and right clutch housings 3 and has a pressing part 6a for operating each handbrake 5, is slidable on the outer periphery of each clutch housing 3 and is connected to the clutch housing 3. A clutch arm 8 having a pressing portion 8a for actuating each side clutch 4 is rotated within each clutch housing 3. The clutch arm 8 is movably supported and provided so as to straddle the inside and outside of the clutch housing 3, and is engaged with the outer end of the clutch arm 8 under the force of the clutch spring 7 to rotate the clutch arm 8 in the side clutch actuation direction. In a steering device for a working vehicle in which an engaging portion for moving the shifter sleeve 6 is provided on the opposite side of the pressing portion 6a, a support formed on the shifter sleeve 6 is provided at the engaging portion of the shifter sleeve 6. A highly wear-resistant disc body 10 integrally equipped with a pin 10a rotatably supported in the hole 9 is provided, and the disc body 10 is attached to the outer end of the clutch arm 8. 1. A steering device characterized in that the steering device is configured to be engaged at an off-center portion of the steering device.