KR960003543A - 작업차의 주행변속시스템 - Google Patents
작업차의 주행변속시스템 Download PDFInfo
- Publication number
- KR960003543A KR960003543A KR1019950019463A KR19950019463A KR960003543A KR 960003543 A KR960003543 A KR 960003543A KR 1019950019463 A KR1019950019463 A KR 1019950019463A KR 19950019463 A KR19950019463 A KR 19950019463A KR 960003543 A KR960003543 A KR 960003543A
- Authority
- KR
- South Korea
- Prior art keywords
- shift
- control valve
- hydraulic
- supply side
- operating
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims abstract 12
- 239000010720 hydraulic oil Substances 0.000 claims abstract 10
- 230000002093 peripheral effect Effects 0.000 claims abstract 10
- 208000032370 Secondary transmission Diseases 0.000 claims 3
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/111—Stepped gearings with separate change-speed gear trains arranged in series
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/70—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
- F16H61/702—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements using electric or electrohydraulic control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H2059/006—Overriding automatic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H2059/088—Fast forward-reverse-sequence mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
- F16H2061/1216—Display or indication of detected failures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1224—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1244—Keeping the current state
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/126—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is the controller
- F16H2061/1268—Electric parts of the controller, e.g. a defect solenoid, wiring or microprocessor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
- F16H2306/20—Timing of gear shifts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
- F16H2306/22—Swap shifting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
- F16H2306/40—Shifting activities
- F16H2306/44—Removing torque from current gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
- F16H2306/40—Shifting activities
- F16H2306/52—Applying torque to new gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
- F16H39/04—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit
- F16H39/06—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type
- F16H39/34—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type in which a rotor on one shaft co-operates with a rotor on another shaft
- F16H39/36—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type in which a rotor on one shaft co-operates with a rotor on another shaft toothed-gear type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/46—Inputs being a function of speed dependent on a comparison between speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/22—Locking of the control input devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/682—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings with interruption of drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/70—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19251—Control mechanism
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19251—Control mechanism
- Y10T74/19256—Automatic
- Y10T74/1926—Speed responsive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Transmission Device (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
엔진(1)으로부터의 동력을 주클러치(5,6), 주변속장치(10) 및 부변속장치(11
)를 통하여 주행장치(14,19)에 전달하는 작업차의 주행변속시스템으로서, 상기 주변속장치는 제1유압 클러치군(21,22,23,24)과 이들 클러치의 온·오프 조작을 실시하는 제1제어밸브군(31b,32b,33b,34b)를 가지고, 또한, 상기 부변속장치(12)는 제2유압클러치(26,27) 및 이들 클러치의 온·오프 조작을 실시하는 제2제어밸브(38,39
)를 가지고, 상기 제1유압클러치의 어느 한 유압클러치와 상기 제2유압클러치의 어느 한 유압클러치에 압유를 공급함으로써 바람직한 변속을 실시가능하게 구성되어 있다. 여기서, 상기 주행변속시스템은, (A) 상기 주변속장치용으로 변속지령을 발신하는 변속조장구(61,62); (B) 상기 변속조작구의 지령에 의거하여 상기 지령 발신전부터 압유공급측으로 조작되고 있는 상기 제1제어밸브군(31b,32b,33b,34b)의 제어밸브를 배유측으로 조작하고, 상기 지령에 대응하는 상기 제1제어밸브군의 제어밸브를 공급측으로 조작하는 제1제어수단; (C) 상기 변속조작구로부터의 지령에 의거하여, 상기 제2제어밸브(38,39)의 작동유 공급측으로 조작되고 있는 제어밸브를 작동유의 배유측으로 조작하고, 그후, 점차적으로 작동유의 공급측으로 조작하는 제2제어수단을 갖는다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명이 적용되는 1예로서의 작업차의 전체 측면도,
제2도는 미션케이스내의 전도계를 나타내는 개략도,
제3도는 변속레버와 제2부변속장치와의 연계상태, 변속표시부 및 각부의 연계상태 표시도.
Claims (8)
- 엔진(1)으로부터의 동력을 주클러치(5,6), 주변속장치(10) 및 부변속장치(11)를 통하여 주행장치(14,19)에 전달하는 작업차의 주행변속시스템으로서, 상기 주변속장치는 제1유압클러치군(21,22,23,24)과 이들 클러치의 온·오프조작을 실시하는 제1제어밸브군(31b,32b,33b,34b)를 가지고, 또한, 상기 부변속장치(11)는 제2유압클러치(26,27) 및 이들 클로치의 온·오프 조작을 실시하는 제2제어밸브(38,39)를 가지며, 상기 제1유압 클러치군과 상기 제2유압클러치의 어느 한 유압클러치에 압유를 공급함으로써 바람직한 변속을 실시가능하게 구성되어 있고, 상기 주행변속시스템은, (A) 상기 주변속장치 및 상기 부변속장치에 변속지령을 발신하는 변속조장구(61,62); (B) 상기 변속소작구의 지령에 의거하여 상기 지령 발신전부터 압유공급측으로 조작되어 있는 상기 제1제어밸브군(31b,32b,33b,34b)의 제어밸브를 배유측으로 조작하고, 상기 지령에 대응하는 상기 제1제어밸브군의 제어밸브를 공급측으로 조작하는 제1제어수단; 및 (C) 상기 변속조작구로부터의 지령에 의거하여, 상기 제2제어밸브(38,39)의 작동유의 공급측으로 조작되고 있는 제어밸브를 작동유의 배유측으로 조작하고, 그후, 점차적으로 작동유의 공급측으로 조작하는 제2제어수단을 갖는 것을 특징으로 하는 주행변속시스템.
- 제1항에 있어서, 상기 제2제어수단은 상기 변속조작구로부터의 변속지령에 의거하여 상기 제2제어밸브의 작동유를 배유측으로 조작할 때, 상기 제2유압클러치(26,27)의 작동압을 소정저압(P3)으로 감압조작하는 것을 특징으로 하는 주행변속시스템.
- 제2항에 있어서, (A) 상기 엔진의 액셀위치를 검출하는 엑셀센서(70); 상기 엔진의 회전수(N2)를 검출하는 회전수 센서(72); 및 상기 엑셀센서의 검출치에 대응하는 엔진의 무부하 회전수(N1)와 현재의 엔진 회전수(N2)와의 차(N3)를 검출하는 회전차 검출부재를 포함하는 검출수단, 및 (B) 상기 회전차 검출부재에 의해 검출되는 회전수의 차(N3)가 커질수록 상기 제2제어수단에 의해 감압조작되는 유압클러치의 상기 소정저압(P3)을 고압측으로 보정하는 제3제어수단을 갖는 것을 특징으로 하는 주행변속시스템.
- 제1항에 있어서, 저속, 중립, 고속위치와의 사이에서 전환조작이 가능한 상기 부변속장치의 하류측에 설치된 제2부변속장치; 제2부변속장치와 기계적으로 연동연결되고, 상기 제2부변속장치를 상기 3위치의 어느 하나로 전환조작하는 변속레버(28); 상기 변속레버(28)를 상기 제3위치의 어느 하나의 위치에 있어서 고정상태 및 고정해제상태로 전환조작가능한 로크 조작구(57); 및 상기 로크 조작구(57)가 고정해제측으로 조작되면 상기 주클러치(5,6)로부터의 작동유를 배출하여 이것을 전동차단측으로 조작하고, 상기 로크 조작구(57)가 고정측으로 조작되며 상기 주클러치(5,6)에 작동유를 공급하여 이것을 전동측으로 조작하는 제어수단을 갖는 것을 특징으로 하는 주행변속시스템.
- 제4항에 있어서, 상기 제어수단은 상기 로크 조작구가 고정해제측으로 조작되는 것과, 상기 부변속장치의 상기 제2제어밸부군중 작동유의 공급측으로 조작되는 제어밸브를 작동유의 배유측으로 조작하는 것을 특징으로 하는 주행변속시스템.
- 제4항에 있어서, 상기 변속조작구(61,62)는 상기 변속조작레버에 설치된 누르기 조작시 스위치(61,62)인 것을 특징으로 하는 주행변속시스템.
- 제1항에 있어서, 상기 변속구는 상기 주변속장치(10)를 증속측으로 시프트하는 시프트업 버튼(61)을 갖는 것을 특징으로 하는 주행변속시스템.
- 엔진(1)으로부터의 동력을 주클러치(5,6), 주변속장치(10,11) 및 보조클러치를 통하여 주행장치(14,19)에 전달하는 작업차의 주행변속시스템으로서, 상기 주변속장치는 제1유압클러치군(21,22,23,24,25,26,27)과 이들 클러치의 온·오프 조작을 실시하는 제1제어밸브군(31b,32b,33b,34b,38,39)을 가지고, 또한, 상기 보조 클러치를 온·오프 조작하는 제2제어밸브를 가지고, 상기 보조클러치는 상기 주행장치와 상기 주변속장치 사이에 설치되고, 상기 제1유압클러치군의 어느 하나의 유압클러치에 유압을 공금함으로써 바람직한 변속을 실시가능하게 구성되어 있고, 상기 주행변속시스템은 (A) 상기 주변속장치의 변속지령을 발신하는 변속조작구(61,62); (B) 상기 변속조작구의 지령에 의거하여 상기 지령의 발신전부터 압유공급측으로 조작되고 있는 상기 제1제어밸브군(31b, 32b, 33b, 34b, 38, 39)의 제어밸브를 공급측으로 조작하고, 상기 지령에 대응하는 상기 제1제어밸브군의 제어밸브를 공급픅으로 조작하는 는 제1제어수단; 및 (C) 상기 변속조작구로부터의 지령에 의거하여 상기 제2제어밸브를 작동유의 배유측으로 조작하고, 그후, 점차적으로 작동유 공급측으로 조작하는 제2제어수단을 갖는 것을 특징으로 하는 주행변속시스템.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP94-157694 | 1994-07-08 | ||
JP06157696A JP3111145B2 (ja) | 1994-07-08 | 1994-07-08 | 作業車の走行変速構造 |
JP94-157696 | 1994-07-08 | ||
JP15769494A JP3164734B2 (ja) | 1994-07-08 | 1994-07-08 | 作業車の走行変速構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960003543A true KR960003543A (ko) | 1996-02-23 |
KR0175156B1 KR0175156B1 (ko) | 1999-02-18 |
Family
ID=26485057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950019463A KR0175156B1 (ko) | 1994-07-08 | 1995-07-04 | 작업차의 주행변속시스템 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5651289A (ko) |
KR (1) | KR0175156B1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998029302A1 (en) * | 1996-12-30 | 1998-07-09 | Ab Volvo Penta | Valve assembly and a method of operating a power transmission |
US6003391A (en) * | 1997-09-01 | 1999-12-21 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Transmission mechanism for a working vehicle |
US6241066B1 (en) * | 1998-08-03 | 2001-06-05 | Kubota Corporation | Working vehicle |
TWI594912B (zh) * | 2013-02-28 | 2017-08-11 | 井關農機股份有限公司 | 作業車輛 |
JP5742977B2 (ja) * | 2014-01-31 | 2015-07-01 | 井関農機株式会社 | 作業車両の走行伝動装置 |
JP6575313B2 (ja) * | 2015-11-12 | 2019-09-18 | いすゞ自動車株式会社 | デュアルクラッチ式変速機 |
US10935109B2 (en) * | 2017-06-22 | 2021-03-02 | Kubota Corporation | Work vehicle transmission and work vehicle having the same |
US10927926B2 (en) | 2017-08-22 | 2021-02-23 | Cnh Industrial America Llc | Systems and methods for a transmission having a multi-speed range section |
CN108506480B (zh) * | 2018-05-24 | 2024-01-16 | 湖南农业大学 | 农用耕作机械自动换档多档位变速装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2791660B2 (ja) * | 1987-04-10 | 1998-08-27 | 株式会社小松製作所 | 変速機の制御装置 |
WO1988010380A1 (en) * | 1987-06-24 | 1988-12-29 | Kabushiki Kaisha Komatsu Seisakusho | Transmission controller |
JP2816480B2 (ja) * | 1989-08-01 | 1998-10-27 | 三菱農機株式会社 | トラクタにおけるパワーシフト変速装置 |
JPH0439464A (ja) * | 1990-06-05 | 1992-02-10 | Kubota Corp | 作業車の走行変速構造 |
US5172603A (en) * | 1991-05-03 | 1992-12-22 | Macinnis Richard F | Electrically actuated shifting method and apparatus |
JP2806462B2 (ja) * | 1992-07-03 | 1998-09-30 | 株式会社クボタ | 作業車の走行変速構造 |
JP3161853B2 (ja) * | 1993-01-20 | 2001-04-25 | 株式会社クボタ | 作業車の走行変速構造 |
JPH06221427A (ja) * | 1993-01-25 | 1994-08-09 | Kubota Corp | 作業車の走行変速構造 |
US5487004A (en) * | 1993-10-29 | 1996-01-23 | Eaton Corporation | Control system/method for automated mechanical transmission systems |
-
1995
- 1995-05-23 US US08/453,511 patent/US5651289A/en not_active Expired - Lifetime
- 1995-07-04 KR KR1019950019463A patent/KR0175156B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0175156B1 (ko) | 1999-02-18 |
US5651289A (en) | 1997-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2897827B1 (en) | Hybrid vehicle including a control device | |
US3939722A (en) | Arrangement for controlling gear changes in a motor vehicle gear box | |
KR100328471B1 (ko) | 기어체인지장치 | |
US7976432B2 (en) | Sequential automatic transmission | |
KR960003543A (ko) | 작업차의 주행변속시스템 | |
US6212966B1 (en) | Control system for a power shuttle gearbox | |
JPH0617924A (ja) | 作業車の走行変速構造 | |
JP4165705B2 (ja) | 電気空圧式ギヤシフトユニット | |
KR20180061028A (ko) | 차량의 조향에 영향을 미치기 위한 브레이크 및 변속기 시스템 및 그 방법의 이용 | |
KR100253713B1 (ko) | 변속 제어장치 | |
US4503733A (en) | Creep phenomenon preventive device for automatic transmission gear type automobile | |
US3216541A (en) | Control system for operating the drive clutches of motor vehicles | |
KR100200112B1 (ko) | 차량용 액셀레이터 변속 시스템 | |
JP2006505755A (ja) | 電気空圧式スイッチユニット | |
US5568851A (en) | Transmission activating and neutralizing system | |
US4142600A (en) | Control system for auxiliary front wheel drive | |
KR101755196B1 (ko) | N단 주행방지용 변속기 유압회로 | |
JPH06221427A (ja) | 作業車の走行変速構造 | |
JPH054606Y2 (ko) | ||
KR20000046762A (ko) | 반자동 변속 시스템 | |
KR100267290B1 (ko) | 변속레버 제어장치 | |
US3175424A (en) | Transmission systems, particularly for agricultural tractors | |
JPS61244954A (ja) | 建設機械の変速機キツクダウン装置 | |
KR100494778B1 (ko) | 클러치 조작이 불필요한 수동 변속기 | |
JP2949030B2 (ja) | 作業車の操向制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121023 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20131022 Year of fee payment: 16 |
|
LAPS | Lapse due to unpaid annual fee |