EP1245736A2 - Pistenpflegefahrzeug mit Schwenkbar angebauter Fräse - Google Patents
Pistenpflegefahrzeug mit Schwenkbar angebauter Fräse Download PDFInfo
- Publication number
- EP1245736A2 EP1245736A2 EP02076031A EP02076031A EP1245736A2 EP 1245736 A2 EP1245736 A2 EP 1245736A2 EP 02076031 A EP02076031 A EP 02076031A EP 02076031 A EP02076031 A EP 02076031A EP 1245736 A2 EP1245736 A2 EP 1245736A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- snow
- speed
- working cylinder
- algorithm
- 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.)
- Granted
Links
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H4/00—Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow
- E01H4/02—Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow for sporting purposes, e.g. preparation of ski trails; Construction of artificial surfacings for snow or ice sports ; Trails specially adapted for on-the-snow vehicles, e.g. devices adapted for ski-trails
Definitions
- the present invention relates to a Snow grooming vehicle with swivel mounted Milling machine according to the preamble of claim 1.
- the object of the present invention is in it, both a defined number of meshes the milling shaft towards the path maintain the cutting depth of the milling teeth in such a way that it should be possible the energy input into the snow if possible to keep low.
- Figure 1 is generally with the reference number 1 the outline of a piste grooming vehicle according to of the present invention.
- the snow grooming vehicle includes a diesel engine 2, which in a known manner with a Drive 3 and a drive 4 connected is, each operate a drive wheel 5 and 6.
- the diesel engine 2 also drives one Control pump 9, which is a hydrostatic Circulation 10 circulates.
- the hydrostatic circuit 10 has one Pressure line 11 with a hydraulic motor 12 is connected, which in turn has a Return line 13 fed back to the control pump 9 is.
- the hydraulic motor 12 drives a milling machine 14, 15.
- the pressure of the pressure line 11 is monitored by a sensor of a known type, not shown, which is connected to a control unit 17 via a line 8.
- Sensors of a known and therefore not shown type detect the speed n F of the milling cutter 14, 15 and deliver the corresponding quantities via the lines 21 of the control unit 17.
- the control unit 17 is also connected via lines 19 and 20 sensors, also of a known type, which detect the speeds n a1 , n a2 of the drive wheels 5 and 6. In a similar way, a sensor that detects the speed of the diesel engine is connected to the control unit 17 via a line 18.
- a working cylinder 16 provided in a known manner and Move the swivel-mounted milling cutter around you Angle ⁇ regulates its inclination ( Figure 2).
- On the path and / or pressure of the working cylinder 16 sensing sensor is connected via a line 7 the control unit 17 connected.
- the control unit 17 is via a line 22 with the working cylinder 16 and via a line 23 with the regulating pump 9 for regulating the same as detailed below fed back.
- the necessary to the respective snow conditions customized setting of work pro The operator runs a route using a Ratio of milling speed to driving speed and a torque specification.
- the automatic adjustment is implemented by using the control unit 17, which is supplied with the following measured values from the corresponding sensors specified above, Speed of the diesel engine n D Speeds of the drive wheels n a1 , n a2 Pressure in the hydrostatic milling drive p F
- n F is dependent on the diesel speed and the transmission ratio (n D / n F ), which in turn is influenced solely by the pump current I F.
- n F f (n a (1,2) , n D , I F )
- Engaging teeth / distance f (n a (1,2) , n D . I F )
- the setpoint is specified for both variables with actuators, which, for example, output an analog signal as a value (eg potentiometer).
- actuators which, for example, output an analog signal as a value (eg potentiometer).
- N Fmax results from the limits of the drive, since at a given diesel speed and max. Gear ratio the limit speed is reached on the milling shaft.
- V / Vu is corresponding a freely selectable setting, which creates different engagement curves of the teeth result (see Figures 5 and 6).
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Soil Working Implements (AREA)
- Control Of Fluid Gearings (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Road Repair (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Operation Control Of Excavators (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
Description
- Figur 1
- ein Blockschema einer Anlage zur automatischen Verstellung der Schnitttiefe und der Drehzahl einer Nachlauffräse für Pistenfahrzeuge,
- Figur 2
- schematisch eine Anbaufräse mit Angabe des Schnittwinkels,
- Figur 3a,b
- zwei Diagramme zur Darstellung der Drehzahl der Fräse in Abhängigkeit der Drehzahl des Antriebes,
- Figur 4a,b
- schematisch jeweils den Kreislauf der Drehzahlsteuerung mit Stromregler und jenen des Druckreglers,
- Figur 5 und 6
- verschiedene Eingriffskurven der Zähne.
Drehzahl des Dieselmotors nD
Drehzahlen der Antriebsräder na1, na2
Druck im hydrostatischen Fräsantrieb pF
- Pumpenstroms IF
- Und die maßgebliche Größe für das Antriebsmoment, den
- Schnittwinkel α
- welcher somit die Regelgröße pF darstellt als Ergebnis.
f(na(1,2), nD, IF) = konstant und M = f (α) = konstant
V ..... Wert für das Drehzahlverhältnis
P ..... Wert für die Druckvorgabe
Claims (5)
- Pistenpflegefahrzeug mit schwenkbar angebauter Fräse, umfassend durch eine Leistungsquelle angetriebene Pumpe, einen mit der Pumpe druckseitig und rücklaufseitig verbundenen Hydromotor, einen an einem Anbaurahmen abgestützten zur Verschwenkung der Fräse ausgelegten Arbeitszylinder und Antriebsräder,
dadurch gekennzeichnet, dass die Leistungsquelle durch einen Motor (2) gebildet ist, der die Antriebsräder (5, 6) und die Pumpe (9) antreibt und dass die Pumpe (9) und der Arbeitszylinder (16) durch eine Regeleinheit (17) beeinflusst werden, die mit einem Sensor der Motordrehzahl nD, mit jeweils einem Drehzahlsensor der Antriebsräder na1 und na2, mit einem Sensor des Druckes im Hydromotor der Fräse und mit einem Wegsensor des Arbeitszylinders verbunden ist, wobei die Regeleinheit (17) die durch die Sensoren erfassten Größen durch einen Algorithmus verbindet und aufgrund dieses letzteren jeweils die Pumpe (9) und den Arbeitszylinder regelt. - Pistenpflegefahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass der Algorithmus derart ausgelegt ist, dass der Druck im hydrostatischen Fräsantrieb (Hydromotor 12) konstant gehalten wird.
- Pistenpflegefahrzeug nach Anspruch 1 und 2, dadurch gekennzeichnet, dass die Leistungseinheit durch Brennstoffzellen gebildet wird.
- Pistenpflegefahrzeug nach den vorstehenden Ansprüchen, dadurch gekennzeichnet, dass der Algorithmus derart ausgelegt ist, dass die Anzahl der in den Schnee eingreifenden Zähne der Fräse pro Wegstrecke konstant ist.
- Pistenpflegefahrzeug nach den vorstehenden Ansprüchen, dadurch gekennzeichnet, dass der Algorithmus derart ausgelegt ist, dass die Anzahl der in den Schnee eingreifenden Zähne der Fräse pro Wegstrecke und das Antriebsmoment der Fräse konstant sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBZ010017 | 2001-03-30 | ||
IT2001BZ000017A ITBZ20010017A1 (it) | 2001-03-30 | 2001-03-30 | Macchina per la preparazione delle piste di neve con fresa girevolmente montata. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1245736A2 true EP1245736A2 (de) | 2002-10-02 |
EP1245736A3 EP1245736A3 (de) | 2004-04-07 |
EP1245736B1 EP1245736B1 (de) | 2010-06-02 |
Family
ID=11440912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02076031A Expired - Lifetime EP1245736B1 (de) | 2001-03-30 | 2002-03-14 | Pistenpflegefahrzeug mit Schwenkbar angebauter Fräse |
Country Status (7)
Country | Link |
---|---|
US (1) | US6637134B2 (de) |
EP (1) | EP1245736B1 (de) |
JP (1) | JP2002309531A (de) |
AT (1) | ATE470020T1 (de) |
DE (1) | DE50214460D1 (de) |
IT (1) | ITBZ20010017A1 (de) |
NO (1) | NO20020739L (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20162397A1 (it) * | 2016-04-07 | 2017-10-07 | Prinoth Spa | Apparato idraulico per alimentare un gruppo di dispositivi tracciatori per un veicolo cingolato; il gruppo di dispositivi tracciatori e il veicolo cingolato |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060081381A1 (en) * | 2004-09-07 | 2006-04-20 | Kassbohrer All Terrain Vehicles, Inc. | Material handling apparatus |
DE502006006646D1 (de) * | 2006-10-06 | 2010-05-20 | Rolic Invest Sarl | Raupenfahrzeug |
DE502006005598D1 (de) | 2006-10-06 | 2010-01-21 | Rolic Invest Sarl | Raupenfahrzeug |
ITMI20071249A1 (it) * | 2007-06-21 | 2008-12-22 | Rolic Invest Sarl | Rampone per cingoli di veicoli cingolati, in particolare veicoli battipista |
US7762013B2 (en) * | 2007-06-29 | 2010-07-27 | Vermeer Manufacturing Company | Trencher with auto-plunge and boom depth control |
US7778756B2 (en) * | 2007-06-29 | 2010-08-17 | Vermeer Manufacturing Company | Track trencher propulsion system with load control |
US7930843B2 (en) | 2007-06-29 | 2011-04-26 | Vermeer Manufacturing Company | Track trencher propulsion system with component feedback |
ITMI20072091A1 (it) * | 2007-10-30 | 2009-04-30 | Rolic Invest Sarl | Fresa rotante da neve e metodo per la preparazione del manto nevoso delle piste da sci |
ITMI20072096A1 (it) * | 2007-10-30 | 2009-04-30 | Rolic Invest Sarl | Dispositivo di collegamento fra un veicolo battipista ed un'attrezzatura per la preparazione del manto nevoso delle piste da sci e metodo di controllo impiegante tale dispositivo di collegamento |
ITMI20072102A1 (it) * | 2007-10-31 | 2009-05-01 | Rolic Invest Sarl | Fresa rotante da neve per la preparazione del manto nevoso delle piste da sci |
ITMI20072105A1 (it) * | 2007-10-31 | 2009-05-01 | Rolic Invest Sarl | Fresa rotante da neve per la preparazione del manto nevoso delle piste da sci |
ITMI20081001A1 (it) * | 2008-05-29 | 2009-11-30 | Rolic Invest Sarl | Cingolo per veicoli battipista e veicolo battipista provvisto di tale cingolo |
IT1394923B1 (it) | 2009-02-18 | 2012-07-27 | Rolic Invest Sarl | Veicolo battipista comprendente un gruppo verricello di ausilio alla movimentazione del veicolo battipista lungo pendii ripidi e metodo di azionamento del gruppo verricello |
IT1395088B1 (it) * | 2009-03-12 | 2012-09-05 | Rolic Invest Sarl | Veicolo battipista e metodo di controllo dello stesso |
US8347529B2 (en) * | 2009-04-09 | 2013-01-08 | Vermeer Manufacturing Company | Machine attachment based speed control system |
US9174525B2 (en) | 2013-02-25 | 2015-11-03 | Fairfield Manufacturing Company, Inc. | Hybrid electric vehicle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0895495A1 (de) | 1996-04-26 | 1999-02-10 | Kässbohrer Geländefahrzeug AG | Kettengetriebenes pistenpflegefahrzeug |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA935284A (en) * | 1971-11-15 | 1973-10-16 | Fleurant Rolland | Towable thrasher |
US3779319A (en) * | 1972-04-24 | 1973-12-18 | T Pease | Mobile snow working apparatus with adjustable height flailer |
DE3247971A1 (de) * | 1982-12-24 | 1984-06-28 | Karl Kässbohrer Fahrzeugwerke GmbH, 7900 Ulm | Schneefahrzeug zur loipenpflege |
DE3613034A1 (de) * | 1986-04-17 | 1987-10-22 | Kaessbohrer Fahrzeug Karl | Verfahren zur verstellung der eintauchtiefe eines pistenpflegewerkzeuges und zugehoeriges pistenfahrzeug |
DE3812809A1 (de) * | 1988-04-16 | 1989-11-02 | Sauer Sundstrand Gmbh & Co | Verfahren zur antriebs-, lenk- und nivellierregelung von fahrzeugen mit einem oberflaechenfraeser und anordnung zur durchfuehrung des verfahrens |
US5809671A (en) * | 1995-08-08 | 1998-09-22 | Lmc Operating Corp. | Tiller with adjustable depth cutter and snow comb entry angle |
CA2256172A1 (en) * | 1998-12-15 | 2000-06-15 | Bombardier Inc. | Multifunction joystick |
US6295746B1 (en) * | 1998-12-18 | 2001-10-02 | Caterpillar Inc. | Method and apparatus for controlling movement of a work implement |
US20020156574A1 (en) * | 2000-01-28 | 2002-10-24 | Manon Fortin | Snow groomer having improved electronic controls |
-
2001
- 2001-03-30 IT IT2001BZ000017A patent/ITBZ20010017A1/it unknown
-
2002
- 2002-02-14 NO NO20020739A patent/NO20020739L/no not_active Application Discontinuation
- 2002-02-27 US US10/084,695 patent/US6637134B2/en not_active Expired - Lifetime
- 2002-03-04 JP JP2002057427A patent/JP2002309531A/ja active Pending
- 2002-03-14 DE DE50214460T patent/DE50214460D1/de not_active Expired - Lifetime
- 2002-03-14 EP EP02076031A patent/EP1245736B1/de not_active Expired - Lifetime
- 2002-03-14 AT AT02076031T patent/ATE470020T1/de active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0895495A1 (de) | 1996-04-26 | 1999-02-10 | Kässbohrer Geländefahrzeug AG | Kettengetriebenes pistenpflegefahrzeug |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20162397A1 (it) * | 2016-04-07 | 2017-10-07 | Prinoth Spa | Apparato idraulico per alimentare un gruppo di dispositivi tracciatori per un veicolo cingolato; il gruppo di dispositivi tracciatori e il veicolo cingolato |
WO2017175194A1 (en) * | 2016-04-07 | 2017-10-12 | Prinoth S.P.A. | Hydraulic apparatus for supplying an assembly of track-setting devices for a tracked vehicle, the assembly of track-setting devices and the tracked vehicle |
CN107923134A (zh) * | 2016-04-07 | 2018-04-17 | 普瑞诺斯股份公司 | 用于供应用于履带车辆的赛道设置装置的组件的液压设备、赛道设置装置的组件及履带车辆 |
US10753056B2 (en) | 2016-04-07 | 2020-08-25 | Prinoth S.P.A. | Hydraulic apparatus for supplying an assembly of track-setting devices for a tracked vehicle, the assembly of track-setting devices and the tracked vehicle |
CN107923134B (zh) * | 2016-04-07 | 2021-04-09 | 普瑞诺斯股份公司 | 用于产生传统滑雪道的赛道设置装置的组件及履带车辆 |
Also Published As
Publication number | Publication date |
---|---|
ATE470020T1 (de) | 2010-06-15 |
NO20020739D0 (no) | 2002-02-14 |
US6637134B2 (en) | 2003-10-28 |
DE50214460D1 (de) | 2010-07-15 |
ITBZ20010017A1 (it) | 2002-09-30 |
JP2002309531A (ja) | 2002-10-23 |
EP1245736B1 (de) | 2010-06-02 |
NO20020739L (no) | 2002-10-01 |
US20020139013A1 (en) | 2002-10-03 |
EP1245736A3 (de) | 2004-04-07 |
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