JPS6236929U

JPS6236929U -

Info

Publication number: JPS6236929U
Application number: JP12916685U
Authority: JP
Priority date: 1985-08-23
Filing date: 1985-08-23
Publication date: 1987-03-04

Description

[Brief explanation of the drawing]

図面は本考案に係る農用トラクターの伝動構造
の実施例を示し、第１図は伝動系の概略図、第２
図は農用トラクター全体の一部切欠き側面図であ
る。第３図は従来伝動装置の概略図である。９……主変速入力軸、１１……走行用主変速装
置、１２……走行用副変速装置、１３……後輪用
差動機構、１５……前輪用出力軸、１８……油圧
ポンプ、１９……油圧モータ、２１……副変速入
力軸、２２……副変速出力軸、２５……等速用伝
動ギアー機構、２６，２９……出力ギアー、２７
……第１クラツチ、２８……増速用伝動ギアー機
構、３０……第２クラツチ、３９，３５……中間
ギアー、３８……動力取出し用変速装置、４３…
…中間軸。 The drawings show an embodiment of the transmission structure of an agricultural tractor according to the present invention, and FIG. 1 is a schematic diagram of the transmission system, and FIG. 2 is a schematic diagram of the transmission system.
The figure is a partially cutaway side view of the entire agricultural tractor. FIG. 3 is a schematic diagram of a conventional transmission device. 9... Main transmission input shaft, 11... Main transmission for driving, 12... Sub-transmission for driving, 13... Differential mechanism for rear wheels, 15... Output shaft for front wheels, 18... Hydraulic pump, 19... Hydraulic motor, 21... Sub-transmission input shaft, 22... Sub-transmission output shaft, 25... Constant velocity transmission gear mechanism, 26, 29... Output gear, 27
...First clutch, 28...Transmission gear mechanism for speed increase, 30...Second clutch, 39, 35...Intermediate gear, 38...Transmission device for power extraction, 43...
...Intermediate axis.

Claims

[Scope of utility model registration request]

A traveling main transmission 11 consisting of a hydraulic pump 18 and a hydraulic motor 19 is installed in the transmission case 10 with the hydraulic motor 19 located below the hydraulic pump 18, and a traveling auxiliary transmission 12 is installed.
is interlocked with the main transmission for driving 11 and the rear wheel differential mechanism 13, and the auxiliary transmission output shaft 22 is located above the auxiliary transmission input shaft 21. 11 and is installed inside the transmission case 10, with the front wheel output shaft 15 interlocked with the auxiliary transmission for traveling 12, and located below the main transmission for traveling 11. is inserted through the transmission case 10, and the power take-off transmission 38 is interlocked with the main transmission input shaft 9 of the main transmission for traveling 11, and the intermediate shaft 43 is connected to the main transmission for traveling. Device 11
and the auxiliary transmission output shaft 22, the transmission structure of the agricultural tractor is located behind the main transmission for traveling 11 and is installed inside the transmission case 10, and the transmission structure is such that the front wheel circumferential speed is at the rear. A constant velocity transmission gear mechanism 25 transmits the rotational force of the auxiliary transmission output shaft 22 so that the circumferential speed of the auxiliary wheels is equal to or almost equal to the circumferential speed of the auxiliary wheels; The speed increasing transmission gear mechanism 28 that transmits the rotational force of the shaft 22 is connected to the respective intermediate gears (34 or 35) to the sub-transmission input shaft 2.
1, and the respective output gears (26 or 29) are positioned below the auxiliary transmission input shaft 21 and concentrically with the front wheel output shaft 15. 10, a first clutch 27 is provided between the output gear 26 of the constant velocity transmission gear mechanism 25 and the front wheel output shaft 15, and a first clutch 27 is provided between the output gear 29 of the speed increasing transmission gear mechanism 28. The front wheel output shaft 1
A transmission structure for an agricultural tractor in which a second clutch 30 is provided between the clutches 5 and 5.