JPS6235141U

JPS6235141U -

Info

Publication number: JPS6235141U
Application number: JP12748685U
Authority: JP
Priority date: 1985-08-20
Filing date: 1985-08-20
Publication date: 1987-03-02

Description

[Brief explanation of drawings]

第１図はトルクコンバーターＴと油圧クラツチ
式の正逆転変速装置を介装した変速装置の動力伝
達系統図、第２図は同じく油圧回路図、第３図は
トルクコンバーターＴと油圧クラツチ式の正逆転
変速装置部分の側面断面図、第４図は油圧制御装
置部の平面断面図、第５図はコンバーターアウト
リリーフバルブ物分の断面図、第６図はコンバー
ターインリリーフバルブと潤滑リリーフバルブ部
分の断面図である。Ｔ…トルクコンバーター、Ｆ…フローデバイダ
ー、Ｄ１…デイレイリリーフバルブ、Ｄ２…オー
プンバルブ、Ｒ１…コンバーターインリリーフバ
ルブ、Ｒ２…コンバーターアウトリリーフバルブ
、Ｒ３…潤滑リリーフバルブ、Ｖ１…正逆方向制
御バルブ、Ｖ２…クラツチペダルバルブ、Ｐ…油
圧ポンプ装置、１…トルコン出力軸、２…出力軸
、５Ｆ…前進用油圧クラツチ装置、５Ｒ…後進用
油圧クラツチ装置、１３…リバースケース。 Fig. 1 is a power transmission system diagram of a transmission equipped with a torque converter T and a hydraulic clutch type forward/reverse transmission, Fig. 2 is a hydraulic circuit diagram, and Fig. 3 is a torque converter T and a hydraulic clutch type forward/reverse transmission. Fig. 4 is a cross-sectional view of the hydraulic control device, Fig. 5 is a cross-sectional view of the converter out-relief valve, and Fig. 6 is a cross-sectional view of the converter-in relief valve and lubrication relief valve. FIG. T...Torque converter, F...Flow divider, D1...Day relief valve, D2...Open valve, R1...Converter in relief valve, R2...Converter out relief valve, R3...Lubrication relief valve, V1...Forward/reverse direction control valve, V2 ...clutch pedal valve, P...hydraulic pump device, 1...torque converter output shaft, 2...output shaft, 5F...hydraulic clutch device for forward movement, 5R...hydraulic clutch device for reverse movement, 13...reverse case.

Claims

[Scope of utility model registration request]

In the tractor transmission system, a torque converter T is attached to the flywheel 12 of the engine E, and a hydraulic clutch type forward/reverse transmission is interlocked to the torque converter output shaft 1 of the torque converter T. Torque converter T
Hydraulic oil for the forward and reverse transmission is supplied by one hydraulic pump device P, and the hydraulic oil is divided into two directions by a flow divider F, and oil is supplied to the hydraulic clutch type forward and reverse transmission. A transmission for a work vehicle characterized by securing a certain amount of oil as the main oil and securing surplus oil in the torque converter T.