IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0557729
(2012-07-25)
|
등록번호 |
US-8807867
(2014-08-19)
|
우선권정보 |
DE-10 2006 062 129 (2006-12-22) |
발명자
/ 주소 |
- Berning, Christian
- Simons, Dieter
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
19 |
초록
▼
A method is provided for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling r
A method is provided for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to engage an untreated ground surface, and the machine including a stripping plate operative to be lowered onto the milling track generated by the milling roller. The method includes measuring the milling depth of the milling track, the measuring including detecting a measurement value of a ground engaging sensor engaging the milling track.
대표청구항
▼
1. A method for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to
1. A method for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to engage an untreated ground surface, and the machine including a stripping plate operative to be lowered onto the milling track generated by the milling roller, the method comprising: measuring the milling depth of the milling track, the measuring including detecting a measurement value of a ground engaging sensor engaging the milling track, wherein the ground engaging sensor engaging the milling track includes the stripping plate. 2. The method of claim 1, wherein: the measuring step further includes detecting another measurement value of another ground engaging sensor engaging the untreated ground surface, and wherein both measurement values are detected in relation to a machine frame of the road milling machine. 3. The method of claim 1, wherein: the measuring step further includes detecting the measurement value of the ground engaging sensor engaging the milling track in relation to another ground engaging sensor engaging the untreated ground surface. 4. The method of claim 1, further comprising: correcting the measured milling depth in dependence on an offset distance between the ground engaging sensor engaging the milling track and a rotational axis of the milling roller, when the machine frame does not extend parallel to the untreated ground surface. 5. A method for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to engage an untreated ground surface, and the machine including a stripping plate operative to be lowered onto the milling track generated by the milling roller, the method comprising: measuring the milling depth of the milling track, the measuring including detecting a measurement value of a ground engaging sensor engaging the milling track; andwherein the measuring step further includes detecting another measurement value of another ground engaging sensor engaging the untreated ground surface, and wherein both measurement values are detected in relation to a machine frame of the road milling machine, and wherein the other ground engaging sensor engaging the untreated ground surface includes the side plate. 6. The method of claim 5, wherein: the ground engaging sensor engaging the milling track includes the stripping plate. 7. A method of controlling a self-propelling road milling machine, the milling machine including a machine frame, a milling roller supported from the frame for treatment of a ground surface, at least one height adjustable side plate arranged to at least one side of the milling roller, and a height adjustable stripping plate arranged behind the milling roller, wherein the method comprises: (a) engaging the ground surface to be treated with a first ground engaging sensor, and sensing with the first ground engaging sensor a first signal corresponding to a first distance of the machine frame from the ground surface to be treated; and(b) engaging the milling track with the stripping plate, and sensing with a second sensor connected to the stripping plate a second signal corresponding to a second distance of the machine frame from the milling track. 8. The method of claim 7, further comprising: determining with a controller a milling depth of the milling roller from the first and second signals. 9. The method of claim 7, wherein: in step (a) the first ground engaging sensor includes the height adjustable side plate. 10. The method of claim 9, further comprising: resting the side plate under the effect of gravity on an un-milled portion of the ground surface adjacent an edge of the milling track. 11. The method of claim 9, further comprising: pressing the side plate onto an un-milled portion of the ground surface adjacent an edge of the milling track with a hydraulic piston/cylinder unit. 12. The method of claim 9, wherein: in step (a) the height adjustable side plate includes a hydraulic piston/cylinder unit for height adjustment, and first sensor comprises an integrated position sensor contained in the hydraulic piston/cylinder unit. 13. The method of claim 7, further comprising: pressing the stripping plate onto the milling track with a hydraulic piston/cylinder unit. 14. The method of claim 13, wherein: in step (b) the second sensor comprises an integrated position sensor contained in the hydraulic piston/cylinder unit. 15. The method of claim 7, wherein the road milling machine includes front and rear lifting columns supporting the machine frame from front and rear ground engaging supports, each of the lifting columns including a position sensing device to detect a lifting position of its associated lifting column, the method further comprising: controlling with a controller a milling depth of the milling roller by controlling the lifting positions of the lifting columns. 16. The method of claim 7, wherein the road milling machine includes at least two front ground engaging supports, at least one rear ground engaging support, and front and rear lifting columns supporting the machine frame from the ground engaging supports, the front lifting columns each including a position sensing device configured to detect a lifting position of its associated lifting column, the method further comprising: controlling with a controller a milling depth of the milling roller by controlling a lifting condition of the front lifting columns. 17. The method of claim 7, further comprising: prior to step (b), setting a zero level for a milling depth of the milling roller when the first and second sensors are engaged with an un-milled ground surface. 18. The method of claim 7, wherein: in step (b), the second sensor comprises a cable line coupled to the stripping plate as a position sensing device. 19. The method of claim 7, wherein: in step (a), the first sensor comprises a cable line coupled to the side plate as a position sensing device.
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