JPS6340233U - - Google Patents

Info

Publication number
JPS6340233U
JPS6340233U JP1986135208U JP13520886U JPS6340233U JP S6340233 U JPS6340233 U JP S6340233U JP 1986135208 U JP1986135208 U JP 1986135208U JP 13520886 U JP13520886 U JP 13520886U JP S6340233 U JPS6340233 U JP S6340233U
Authority
JP
Japan
Prior art keywords
speed
transmission
drive
front wheel
clutch
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
Application number
JP1986135208U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986135208U priority Critical patent/JPS6340233U/ja
Priority to GB8625225A priority patent/GB2190049B/en
Priority to FR8615167A priority patent/FR2598126B1/en
Priority to US06/925,066 priority patent/US4696365A/en
Priority to DE19863638072 priority patent/DE3638072A1/en
Priority to CA000523140A priority patent/CA1287236C/en
Priority to KR1019860010321A priority patent/KR910000318B1/en
Publication of JPS6340233U publication Critical patent/JPS6340233U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Guiding Agricultural Machines (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案に係る作業車の変速操作構造の実
施例を示し、第１図は前輪変速装置及びピツトマ
ンアーム付近の側面図、第２図は農用トラクタの
全体側面図である。 １……前輪、１０……前輪変速装置、１３……
変速ケース、２２……制御弁、２５……ピツトマ
ンアーム。 The drawings show an embodiment of the speed change operation structure for a working vehicle according to the present invention, and FIG. 1 is a side view of the front wheel transmission and the vicinity of the pitman arm, and FIG. 2 is a side view of the entire agricultural tractor. 1...Front wheel, 10...Front wheel transmission, 13...
Shift case, 22... Control valve, 25... Pitman arm.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 操向自在な前輪１，１への伝動系に、後輪駆動
速度に略等しい伝動速度で伝動する標準駆動状態
と、後輪駆動速度より大きい駆動速度で伝動する
増速駆動状態に切換えるクラツチ式の前輪変速装
置１０を備えると共に、少なくとも増速駆動系の
クラツチを多板式の油圧クラツチ２１に構成して
ある作業車の変速操作構造であつて、機体後部の
ミツシヨンケース６前部に前記前輪変速装置１０
を配置し、前輪変速装置１０の前記油圧クラツチ
２１への圧油給排を司る制御弁２２を前輪変速装
置１０が内装される変速ケース１３の前部に設け
ると共に、前輪操向用のピツトマンアーム２５と
前記制御弁２２とを機械的に連動連結して、設定
角度以上の前輪操向操作により前輪変速装置１０
が増速駆動状態に切換操作されるように構成して
ある作業車の変速操作構造。 The transmission system for the steerable front wheels 1, 1 is a clutch type that switches between a standard drive state in which power is transmitted at a speed approximately equal to the rear wheel drive speed, and an increased speed drive state in which power is transmitted at a drive speed greater than the rear wheel drive speed. This is a speed change operation structure for a working vehicle, which is equipped with a front wheel transmission 10 and at least a clutch of a speed increasing drive system is a multi-plate hydraulic clutch 21. Transmission device 10
A control valve 22 for supplying and discharging pressure oil to the hydraulic clutch 21 of the front wheel transmission 10 is provided at the front of the transmission case 13 in which the front wheel transmission 10 is installed, and a pitman arm 25 for steering the front wheels is provided. and the control valve 22 are mechanically interlocked, and the front wheel transmission 10 is operated by steering the front wheels by an angle greater than or equal to a set angle.
A speed change operation structure for a work vehicle configured such that the speed is changed to an increased speed drive state.
JP1986135208U 1986-05-02 1986-09-02 Pending JPS6340233U (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1986135208U JPS6340233U (en) 1986-09-02 1986-09-02
GB8625225A GB2190049B (en) 1986-05-02 1986-10-21 Four wheel drive vehicle
FR8615167A FR2598126B1 (en) 1986-05-02 1986-10-30 TRANSMISSION FOR THE FRONT WHEELS OF A FOUR-DRIVE VEHICLE, ESPECIALLY AN AGRICULTURAL TRACTOR
US06/925,066 US4696365A (en) 1986-05-02 1986-10-30 Four wheel drive vehicle
DE19863638072 DE3638072A1 (en) 1986-05-02 1986-11-07 FOUR-WHEEL DRIVE VEHICLE
CA000523140A CA1287236C (en) 1986-05-02 1986-11-17 Four wheel drive vehicle
KR1019860010321A KR910000318B1 (en) 1986-05-02 1986-12-03 Four wheel drive vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986135208U JPS6340233U (en) 1986-09-02 1986-09-02

Publications (1)

Publication Number Publication Date
JPS6340233U true JPS6340233U (en) 1988-03-16

Family

ID=31037175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986135208U Pending JPS6340233U (en) 1986-05-02 1986-09-02

Country Status (1)

Country Link
JP (1) JPS6340233U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0231026A (en) * 1988-07-20 1990-02-01 Kubota Ltd Clutch structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0231026A (en) * 1988-07-20 1990-02-01 Kubota Ltd Clutch structure

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