JPH0266368A - Transmission for vehicle - Google Patents

Transmission for vehicle

Info

Publication number
JPH0266368A
JPH0266368A JP63218806A JP21880688A JPH0266368A JP H0266368 A JPH0266368 A JP H0266368A JP 63218806 A JP63218806 A JP 63218806A JP 21880688 A JP21880688 A JP 21880688A JP H0266368 A JPH0266368 A JP H0266368A
Authority
JP
Japan
Prior art keywords
main clutch
tilt
transmission
longitudinal direction
control device
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
JP63218806A
Other languages
Japanese (ja)
Inventor
Yoshiaki Murakami
良昭 村上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
Original Assignee
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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 by Iseki and Co Ltd, Iseki Agricultural Machinery Mfg Co Ltd filed Critical Iseki and Co Ltd
Priority to JP63218806A priority Critical patent/JPH0266368A/en
Publication of JPH0266368A publication Critical patent/JPH0266368A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction

Landscapes

  • Control Of Transmission Device (AREA)

Abstract

PURPOSE:To prevent reckless running on a sloping road by providing a tilt detector, which detects a body for its tilting in the longitudinal direction, and a control device which checks the action of disconnecting a main clutch when the road is sloped to a predetermined value or more. CONSTITUTION:A tilt sensor is provided in the body center of a tractor, detecting a tilt in the longitudinal direction of a body, and a signal of push button switches 7 to 10 of speed change operation is input to a control device 28 with a signal of a stroke sensor 21 in a hydraulic actuator 20 connecting and disconnecting a main clutch 3. Now when a tilt of the body in its longitudinal direction increases not less than a predetermined value, the control device 28 prevents the main clutch 3 from being disconnected unless a clutch pedal 25 is stepped in even with a transfer to the speed change action by pressing the push button switches 7 to 10. Accordingly, the body can be prevented from its reckless running on a sloping road.

Description

【発明の詳細な説明】 ［産業上の利用分野］ この発明は、変速レバーあるいは押しボタンを操作して
変速動作を行なうと、主クラッチが切れ、変速後には自
動的に主クラッチが接続される車両の変速装置に関する
。[Detailed Description of the Invention] [Industrial Application Field] This invention is characterized in that when a gear shift lever or push button is operated to perform a gear shift operation, the main clutch is disengaged, and after the gear shift, the main clutch is automatically engaged. It relates to a vehicle transmission.

［従来技術］ 従来、この種の変速装置は、少なくとも削進３段と後進
１段の機械式変速装置と、それを切り換えるためのシフ
ター、シフターを油圧あるいは空圧の力を利用して移動
させるアクチュエーター等からなり、変速押しボタン等
を操作して変速ｌ１ｌＩＪ作に移ると、まず主クラッチ
が切れ、変速後に再び主クラッチが接続される構成であ
った−［発明が解決しようとする課題］ ところで、このような従来装置にあっては、急勾配の坂
道等にあって変速操作を行なうと、　−ｉ：クラッチが
切れて変速後再び主クラッチが接続される間はエンジン
ブレーキが効かず、このため、−Ｆりの坂道では機体が
暴走したりあるいは上１ｊの坂道では逆方向に下がり出
すような危険性？有していた。[Prior Art] Conventionally, this type of transmission has a mechanical transmission with at least three gears for gear reduction and one gear for reverse, a shifter for switching the gears, and a shifter for moving the shifter using hydraulic or pneumatic force. It consists of an actuator, etc., and when the gear shift push button or the like is operated to shift gears, the main clutch is first disengaged, and then the main clutch is connected again after shifting. - [Problems to be Solved by the Invention] With such a conventional device, when a gear shift operation is performed on a steep slope, etc., -i: The clutch is disengaged and the engine brake does not work until the main clutch is reconnected after the gear shift. Therefore, is there a danger that the aircraft may go out of control on the slope of -F, or that it starts to descend in the opposite direction on the slope of U1J? had.

［課題を解決するための手段］ この発明は前記した問題点に鑑みて提案するものであっ
て、次のような技術的手段を講じた。即ち、エンジン２
と機械式変速装置４との間に主りラッチ３を設け、醋記
変速装置４を変速操作するときに、まず主クラッチ３が
切れて変速がなされ。[Means for Solving the Problems] The present invention has been proposed in view of the above problems, and has taken the following technical measures. That is, engine 2
A main latch 3 is provided between the mechanical transmission 4 and the mechanical transmission 4, and when the transmission 4 is operated to change gears, the main clutch 3 is first disengaged and the gear is changed.

ついで変速後に再び主クラッチ３が接続されるように構
成された車両の変速装置において１機体には前後方向の
傾きを検出する傾斜検出器２６を設けて、機体が所定角
度を越えて傾くと、前記主クラッチ３の切り動作を牽制
する制御装置２８が組み込まれていることを特徴とする
重両の変速装置の構成とする。Then, in a vehicle transmission system configured to connect the main clutch 3 again after shifting, one body is provided with a tilt detector 26 for detecting a tilt in the longitudinal direction, so that when the body tilts beyond a predetermined angle, The structure of the transmission for a heavy vehicle is characterized in that a control device 28 for checking the disengagement operation of the main clutch 3 is incorporated.

［作用および効果コ 機体の前後傾斜が所定値以内の安全な領域では、変速レ
バーあるいは押、しボタンスイッチ等の変速指示具を操
作することによってまず主クラッチが切られ、ついで変
速動作がなされ、最後に主クラッチの接続が自動的にな
されることになって変速動作が簡略化される。[Operations and Effects] In a safe area where the longitudinal inclination of the aircraft body is within a predetermined value, the main clutch is first disengaged by operating a shift indicator such as a shift lever or a push button switch, and then a shift operation is performed. Finally, the main clutch is automatically engaged, simplifying the gear shifting operation.

一方、機体の前後傾斜が所定値を越えて傾いたときには
、クラッチペダルを意識的に踏み込まない限り主クラッ
チが切り側に操作されることがないから機体が坂道で暴
走するようなこともなくきわめて安全である。On the other hand, when the longitudinal inclination of the aircraft exceeds a predetermined value, the main clutch will not be operated to the disengaged side unless the clutch pedal is consciously depressed, so the aircraft will not run out of control on the slope. It's safe.

［実施例］ 以下、図面に基づいて、この発明の詳細な説明する。[Example] Hereinafter, the present invention will be described in detail based on the drawings.

まず、構成から説明すると、１はトラクターで、機体前
部にエンジン２を搭載して設け、エンジン２の回転動力
は主クラッチ３を介して機械式変速装置４に伝えられ、
さらにこの変速装置４で減速された回転動力は後輪デフ
装置５を介して後車輪軸６に伝達される。First, to explain the configuration, reference numeral 1 is a tractor with an engine 2 mounted on the front of the machine, and the rotational power of the engine 2 is transmitted to a mechanical transmission 4 via a main clutch 3.
Further, the rotational power decelerated by the transmission 4 is transmitted to the rear wheel axle 6 via the rear wheel differential device 5.

変速装置４は前進３段、後進１段でシンクロメツシュタ
イプの変速ギヤ機構からなり、前進１速乃至３速用の押
しボタンスイッチ７．８．９あるいは後進用の押しボタ
ンスイッチ１０を押すと、まず主クラッチ３が切り離さ
れると共に、変速用の油圧アクチュエータ２９．３０が
変速装置４のシフター（図示省略）を移動させて変速動
作がなされる。The transmission 4 consists of a synchromesh type transmission gear mechanism with three forward speeds and one reverse speed, and when the push button switch 7.8.9 for forward speeds 1 to 3 or the push button switch 10 for reverse speed is pressed. First, the main clutch 3 is disengaged, and the shift hydraulic actuators 29, 30 move the shifter (not shown) of the transmission 4 to perform a shift operation.

主クラッチ３が切られたかどうかは、主クラッチ３を入
切操作させる油圧アクチュエータ２０の横に設けられた
ス１−ロークセンサ２１にて検出される。前記主クラッ
チ３は、押しボタンスイッチ７．８．９．１０による変
速操作の他、従来と同じようにクラッチペダル２５を踏
み込むことによっても切り離し操作ができる。Whether or not the main clutch 3 is disengaged is detected by a stroke sensor 21 provided next to a hydraulic actuator 20 that operates the main clutch 3 on and off. The main clutch 3 can be disengaged by depressing the clutch pedal 25 in the same manner as in the prior art, in addition to the shift operation using the push button switch 7.8.9.10.

２６はトラクター１の機体中央部に設けられた傾斜セン
サで機体の前後方向の傾きを検出し、機体が所定の角度
を越えて前後方向に傾くと、押しボタンスイッチ７．８
．９．１０を押して変速動作に移っても主クラッチ３が
切れぬように牽制するソフ１−がマイコンからなる制御
装置２８に組み込まれている。Reference numeral 26 indicates an inclination sensor installed in the center of the body of the tractor 1 to detect the inclination of the body in the longitudinal direction, and when the body tilts in the longitudinal direction beyond a predetermined angle, a push button switch 7.8
．． A software 1- that prevents the main clutch 3 from being disengaged even when the gear shift operation is started by pressing 9.10 is incorporated into the control device 28 consisting of a microcomputer.

第３図、第４図はこの制御系のブロック図とフローチャ
ートである。FIGS. 3 and 4 are a block diagram and a flowchart of this control system.

変速操作パネル内の押しボタンスイッチ７．８．９．１
０の１つが操作されると１機体の前後傾斜が所定の傾斜
角以内であれば、まず主クラッチ３を入切する油圧アク
チュエータ２０が作動して主クラッチ３が切られ、変速
用の油圧アクチュエータ２９．３０が作動して変速がな
される。ついで。7.8.9.1 Push-button switch in the gear shift operation panel
When one of 0 is operated, if the longitudinal inclination of the aircraft is within a predetermined inclination angle, the hydraulic actuator 20 that turns on and off the main clutch 3 is operated, the main clutch 3 is disengaged, and the hydraulic actuator for gear shifting is activated. 29.30 is activated and the gear is changed. Next.

変速後は、前記油圧アクチュエータ２０が主クラッチ３
を接続する方向に作動し、ここに変速動作が完了する。After the gear shift, the hydraulic actuator 20 engages the main clutch 3.
The gear shift operation is completed at this point.

機体の前後傾斜が所定値を越えたときには、押しボタン
スイッチ７．８．９，１０を押してもクラッチペダル２
５を踏み込まない限り主クラッチ３が切れることはない
。When the longitudinal tilt of the aircraft exceeds a predetermined value, the clutch pedal 2 will not be activated even if push button switches 7, 8, 9, and 10 are pressed.
The main clutch 3 will not disengage unless the clutch 5 is depressed.

なお、この実施例では前進３段、後進１段の変速装置を
有するトラクター１を例に挙げて説明したが、この変速
装置にさらに高低２段の副変速装置を直結し、変速段数
を増やしたトラクターに実施してもよい。In this embodiment, a tractor 1 having a transmission with three forward speeds and one reverse speed was explained as an example, but an auxiliary transmission with two high and low speeds was further directly connected to this transmission to increase the number of speeds. May be carried out on a tractor.

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

図はこの発明の実施例を示し、第１図は全体側面図、第
２図は動力伝達系と制御装置との関係を説明する図、第
３図はブロック図、第４図はフローチャートである。 符号の説明 １　　　トラクター ２　　　エンジン ３　　　主クラッチ 変速装首 傾斜検出器 特許、１ 願人の名称 井関農機株式会社 代表者 井関昌孝 Ｓｆｆ　１図 ／The figures show an embodiment of the present invention, in which Fig. 1 is an overall side view, Fig. 2 is a diagram explaining the relationship between the power transmission system and the control device, Fig. 3 is a block diagram, and Fig. 4 is a flow chart. . Explanation of symbols 1 Tractor 2 Engine 3 Main clutch transmission head tilt detector patent, 1 Name of applicant Masataka Iseki Sff, representative of Iseki Agricultural Machinery Co., Ltd. 1 Figure/

Claims (1)

【特許請求の範囲】[Claims] １、エンジン２と機械式変速装置４との間に主クラッチ
３を設け、前記変速装置４を変速操作するときに、まず
主クラッチ３が切れて変速がなされ、ついで変速後に再
び主クラッチ３が接続されるように構成された車両の変
速装置において、機体には前後方向の傾きを検出する傾
斜検出器２６を設けて、機体が所定角度を越えて傾くと
、前記主クラッチ３の切り動作を牽制する制御装置２８
が組み込まれていることを特徴とする車両の変速装置。1. A main clutch 3 is provided between the engine 2 and the mechanical transmission 4, and when the transmission 4 is operated to change gears, the main clutch 3 is first disengaged and the gear is changed, and then the main clutch 3 is engaged again after the gear change. In the vehicle transmission device configured to be connected, the body is provided with a tilt detector 26 for detecting tilt in the longitudinal direction, and when the body tilts beyond a predetermined angle, the main clutch 3 is disengaged. Control device 28 to check
A vehicle transmission device characterized by incorporating.
JP63218806A 1988-08-31 1988-08-31 Transmission for vehicle Pending JPH0266368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63218806A JPH0266368A (en) 1988-08-31 1988-08-31 Transmission for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63218806A JPH0266368A (en) 1988-08-31 1988-08-31 Transmission for vehicle

Publications (1)

Publication Number Publication Date
JPH0266368A true JPH0266368A (en) 1990-03-06

Family

ID=16725641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63218806A Pending JPH0266368A (en) 1988-08-31 1988-08-31 Transmission for vehicle

Country Status (1)

Country Link
JP (1) JPH0266368A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5383682A (en) * 1992-04-24 1995-01-24 Toyoda Gosei Co., Ltd. Steering wheel assembly having an air bag device
US11945705B2 (en) 2018-09-13 2024-04-02 Crown Equipment Corporation System and method for controlling a maximum vehicle speed for an industrial vehicle based on a calculated load

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5383682A (en) * 1992-04-24 1995-01-24 Toyoda Gosei Co., Ltd. Steering wheel assembly having an air bag device
US11945705B2 (en) 2018-09-13 2024-04-02 Crown Equipment Corporation System and method for controlling a maximum vehicle speed for an industrial vehicle based on a calculated load

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