KR100656058B1 - 휠로더의 비상조향장치의 고장감지장치 - Google Patents
휠로더의 비상조향장치의 고장감지장치 Download PDFInfo
- Publication number
- KR100656058B1 KR100656058B1 KR1020050132825A KR20050132825A KR100656058B1 KR 100656058 B1 KR100656058 B1 KR 100656058B1 KR 1020050132825 A KR1020050132825 A KR 1020050132825A KR 20050132825 A KR20050132825 A KR 20050132825A KR 100656058 B1 KR100656058 B1 KR 100656058B1
- Authority
- KR
- South Korea
- Prior art keywords
- emergency steering
- turned
- emergency
- steering pump
- current
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/267—Diagnosing or detecting failure of vehicles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
- B60Y2200/415—Wheel loaders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/865—Prevention of failures
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Power Steering Mechanism (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
Description
Claims (1)
- 휠로더의 비상조향장치의 고장을 감지하는 비상조향장치 고장감지장치에 있어서,비상조향펌프 구동모터(M)에 전류를 인가하는 시동스위치(S0),비상조향펌프(P)가 작동되는 경우 비상조향펌프(P)에서 토출되는 압력에 의해 온(ON)되는 비상조향압력스위치(S1)와,비상조향펌프(P)가 작동하는 경우 전류를 인가받아 점등되는 비상조향펌프 작동표시등(10)과,상기 시동스위치(S0)가 온(ON)되면 비상조향펌프 구동모터(M)에 전류를 인가하여 구동모터(M)를 기동하는 릴레이(30)와,상기 시동스위치(S0)가 온되면, 구동모터(M)에 전류인가시간을 제어하고, 비상조향압력스위치(S1)의 온신호에 의해 비상조향펌프 작동표시등(10)에 전류를 일정시간동안 인가하여 점등시키고, 비상조향압력스위치(S1)가 오프되는 경우에는 상기 비상조향펌프 작동표시등(10)을 점멸시키는 타이머(20)를 포함한 것을 특징으로 하는 휠로더의 비상조향장치의 고장감지장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050132825A KR100656058B1 (ko) | 2005-12-29 | 2005-12-29 | 휠로더의 비상조향장치의 고장감지장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050132825A KR100656058B1 (ko) | 2005-12-29 | 2005-12-29 | 휠로더의 비상조향장치의 고장감지장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100656058B1 true KR100656058B1 (ko) | 2006-12-11 |
Family
ID=37732811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050132825A KR100656058B1 (ko) | 2005-12-29 | 2005-12-29 | 휠로더의 비상조향장치의 고장감지장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100656058B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012023755A3 (ko) * | 2010-08-19 | 2012-04-19 | 두산인프라코어 주식회사 | 건설기계의 비상 조향 장치 |
-
2005
- 2005-12-29 KR KR1020050132825A patent/KR100656058B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012023755A3 (ko) * | 2010-08-19 | 2012-04-19 | 두산인프라코어 주식회사 | 건설기계의 비상 조향 장치 |
US9067620B2 (en) | 2010-08-19 | 2015-06-30 | Doosan Infracore Co., Ltd. | Emergency steering system of construction equipment |
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