KR100329581B1 - 지게차의 전후진변속 제어장치 - Google Patents
지게차의 전후진변속 제어장치 Download PDFInfo
- Publication number
- KR100329581B1 KR100329581B1 KR1019990044761A KR19990044761A KR100329581B1 KR 100329581 B1 KR100329581 B1 KR 100329581B1 KR 1019990044761 A KR1019990044761 A KR 1019990044761A KR 19990044761 A KR19990044761 A KR 19990044761A KR 100329581 B1 KR100329581 B1 KR 100329581B1
- Authority
- KR
- South Korea
- Prior art keywords
- speed
- reverse
- backward
- steering angle
- forklift
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000007935 neutral effect Effects 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- 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
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
-
- 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
- F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. 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
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/161—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed by checking feasibility of shifts, i.e. determine if requested shift can be successfully completed and post shift values are in an acceptable range
-
- 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
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/165—Preventing reverse gear shifts if vehicle speed is too high for safe 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
- 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
- F16H2063/426—Ratio indicator devices with means for advising the driver for proper shift action, e.g. prompting the driver with allowable selection range of ratios
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
Claims (4)
- 전후진 레버의 위치를 감지하여 레버위치신호를 발생하는 레버위치 검출수단과, 엔진의 회전수를 감지하여 엔진속도신호를 발생하는 엔진속도 검출수단과, 지게차의 주행속도를 감지하여 차속신호를 발생하는 차속 검출수단과, 통전시에는 변속기의 전진 클러치를 계합시키고 단전시에는 상기 전진 클러치를 해방상태로 유지하는 전진 솔레노이드와, 통전시에는 변속기의 후진 클러치를 계합시키고 단전시에는 상기 후진 클러치를 해방상태로 유지하는 후진 솔레노이드와, 상기 레버위치신호와 엔진속도신호 및 차속신호에 응답하여 상기 전진 및 후진 솔레노이드를 선택적으로 통전시키거나 단전시켜 전후진 변속을 실행시키되, 미리 정해진 기준속도까지 감속되었을 경우에만 상기 전진 솔레노이드 또는 후진 솔레노이드를 통전시키는 변속제어수단을 포함하는 지게차의 전후진변속 제어장치에 있어서,지게차 조향륜의 조향각도를 감지하여 조향각도신호를 발생하는 조향각도 검출수단을 포함하고, 상기 변속제어수단은 상기 조향각도 검출수단의 신호에 따라 조향각도가 미리 정해진 기준각도범위내에 있을 때에는 상기 기준속도에서 전후진 변속을 실행하고, 조향각도가 기준각도범위를 벗어나 있을 때에는 상기 기준속도보다 낮은 제 2의 기준속도에서 전후진 변속을 실행하도록 구성되는 것을 특징으로 하는 지게차의 전후진변속 제어장치.
- 제 1항에 있어서, 전후진 레버 조작시 차속이 기준속도보다 높은 것으로 판명될 경우 그것을 지게차 운전자에게 경고하여 감속조치를 취하도록 하는 경고수단을 추가로 포함하는 지게차의 전후진변속 제어장치.
- 삭제
- 제 1항 또는 제 2항에 있어서, 상기 변속제어수단은 전후진 레버의 조작후 차속이 기준속도로 감속될 때까지 상기 전진 솔레노이드 및 후진 솔레노이드를 모두 단전상태로 유지하고 변속기를 중립으로 작동시키도록 구성된 지게차의 전후진변속 제어장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990044761A KR100329581B1 (ko) | 1999-10-15 | 1999-10-15 | 지게차의 전후진변속 제어장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990044761A KR100329581B1 (ko) | 1999-10-15 | 1999-10-15 | 지게차의 전후진변속 제어장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010037318A KR20010037318A (ko) | 2001-05-07 |
KR100329581B1 true KR100329581B1 (ko) | 2002-03-23 |
Family
ID=19615511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990044761A KR100329581B1 (ko) | 1999-10-15 | 1999-10-15 | 지게차의 전후진변속 제어장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100329581B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120051526A (ko) * | 2010-11-12 | 2012-05-22 | 현대자동차주식회사 | Mdps를 이용한 엔진토크 저감장치 및 방법 |
KR20170077537A (ko) * | 2015-12-28 | 2017-07-06 | 현대건설기계 주식회사 | 작업기계의 유압모터 제어 시스템 및 방법 |
KR101939792B1 (ko) | 2018-07-13 | 2019-01-17 | (주)엠에스정밀 | 건설장비용 고속 셔틀 방지시스템 |
KR101934992B1 (ko) | 2018-07-13 | 2019-04-05 | (주)엠에스정밀 | 산업차량 및 건설장비용 제로 스타트 시스템 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100581782B1 (ko) * | 2004-10-25 | 2006-05-23 | 두산인프라코어 주식회사 | 전동 지게차 모노 패드용 중립 브레이킹 시스템 |
KR101503539B1 (ko) * | 2009-12-17 | 2015-03-17 | 주식회사 두산 | 전/후진 방향 전환 장치 및 방법 |
KR101982889B1 (ko) * | 2014-06-16 | 2019-05-27 | 현대건설기계 주식회사 | 기계식 엑셀 페달을 사용하는 지게차의 작동제어시스템 및 그 제어방법 |
KR102596513B1 (ko) * | 2016-05-02 | 2023-10-30 | 에이치디현대인프라코어 주식회사 | 트랜스미션의 제어 장치 및 방법 |
KR101962537B1 (ko) * | 2017-06-22 | 2019-03-26 | 현대트랜시스 주식회사 | 수동변속기의 후진 변속 제어 장치 및 그 제어 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01101234A (ja) * | 1987-10-09 | 1989-04-19 | Mitsubishi Agricult Mach Co Ltd | 走行車輛の変速装置 |
KR950017423A (ko) * | 1993-12-17 | 1995-07-20 | 전성원 | 차량정지시의 자동 중립상태 제어장치 및 그 방법 |
-
1999
- 1999-10-15 KR KR1019990044761A patent/KR100329581B1/ko active IP Right Review Request
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01101234A (ja) * | 1987-10-09 | 1989-04-19 | Mitsubishi Agricult Mach Co Ltd | 走行車輛の変速装置 |
KR950017423A (ko) * | 1993-12-17 | 1995-07-20 | 전성원 | 차량정지시의 자동 중립상태 제어장치 및 그 방법 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120051526A (ko) * | 2010-11-12 | 2012-05-22 | 현대자동차주식회사 | Mdps를 이용한 엔진토크 저감장치 및 방법 |
KR20170077537A (ko) * | 2015-12-28 | 2017-07-06 | 현대건설기계 주식회사 | 작업기계의 유압모터 제어 시스템 및 방법 |
KR101939792B1 (ko) | 2018-07-13 | 2019-01-17 | (주)엠에스정밀 | 건설장비용 고속 셔틀 방지시스템 |
KR101934992B1 (ko) | 2018-07-13 | 2019-04-05 | (주)엠에스정밀 | 산업차량 및 건설장비용 제로 스타트 시스템 |
WO2020013552A1 (ko) * | 2018-07-13 | 2020-01-16 | (주)엠에스정밀 | 건설장비용 고속 셔틀 방지시스템 |
Also Published As
Publication number | Publication date |
---|---|
KR20010037318A (ko) | 2001-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6413185B1 (en) | Driving system for an industrial truck | |
US8380408B2 (en) | Speed change control system for industrial vehicle | |
EP0892197A2 (en) | Method of automatically changing speed of dump truck for use as construction vehicle | |
EP1395457B1 (en) | A method for reversing the driving direction | |
US9222581B2 (en) | Continuously variable transmission control system for vehicle and work vehicle | |
JPH02236056A (ja) | 車両の制動装置 | |
US7509197B2 (en) | Retarding system implementing transmission control | |
JP2009196393A (ja) | 作業車両 | |
KR100329581B1 (ko) | 지게차의 전후진변속 제어장치 | |
US6109126A (en) | Shift control system for an auxiliary section of a compound vehicular transmission | |
EP2862834B1 (en) | Industrial vehicle | |
JP2011196518A (ja) | 作業車両 | |
JPH0587236A (ja) | 車両のクリープ制御装置 | |
JP3695975B2 (ja) | 産業用車両 | |
JPH02107828A (ja) | 車両用自動クラッチの制御装置 | |
JP3495262B2 (ja) | 作業車の走行用変速操作装置 | |
JP4400375B2 (ja) | 移動車両の変速装置 | |
JP3659594B2 (ja) | 農作業車の伝動装置 | |
JP4962957B2 (ja) | 作業車両 | |
JP5034178B2 (ja) | トラクタの二駆四駆切替装置 | |
JPH0540357Y2 (ko) | ||
JP3424256B2 (ja) | トラクターの前後進切換装置 | |
JPS61248947A (ja) | 自動車用電子制御変速機 | |
JP3503590B2 (ja) | 農作業車の伝動装置 | |
JP2520623B2 (ja) | 建設機械用ダンプトラツクのエンジン出力及び変速点制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
O035 | Opposition [patent]: request for opposition | ||
O132 | Decision on opposition [patent] | ||
O074 | Maintenance of registration after opposition [patent]: final registration of opposition | ||
FPAY | Annual fee payment |
Payment date: 20130308 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20140311 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20150205 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20160308 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20170307 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20180205 Year of fee payment: 17 |
|
FPAY | Annual fee payment |
Payment date: 20190207 Year of fee payment: 18 |