EP0972947B1 - Bürstenauslegervorrichtung eines Tunnelwaschfahrzeuges - Google Patents
Bürstenauslegervorrichtung eines Tunnelwaschfahrzeuges Download PDFInfo
- Publication number
- EP0972947B1 EP0972947B1 EP19990890156 EP99890156A EP0972947B1 EP 0972947 B1 EP0972947 B1 EP 0972947B1 EP 19990890156 EP19990890156 EP 19990890156 EP 99890156 A EP99890156 A EP 99890156A EP 0972947 B1 EP0972947 B1 EP 0972947B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- cylinder
- brush
- boom
- cylinder unit
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
-
- 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
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
- F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
- F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
- F15B11/125—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions by means of digital actuators, i.e. actuators in which the total stroke is the sum of individual strokes
-
- 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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
-
- 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
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/765—Control of position or angle of the output member
Definitions
- the invention relates to a brush boom device a tunnel washing vehicle to start the brush boom worn brush, with a hydraulically operated cylinder-piston unit to achieve a basic setting and a pneumatically operated Cylinder-piston unit for flexible fine adjustment.
- Such a device is known from GB 1 038 924 A.
- the hydraulically operated cylinder-piston unit is the only construction assigned to the brush boom mounted on the vehicle and essentially serves to raise and lower this brush arm.
- the bracket At the free end the bracket is first provided a holder for the brush, which holder at the end of the boom pivotable about a transverse axis and another hydraulic cylinder-piston unit can be pivoted about this axis.
- a rotary drive with a hydraulic motor is provided, with the help of which the actual holder for the brush can be rotated can.
- the brush is again around a longitudinal arm pivoted, this arm is designed as a double lever and on the forms a counterweight from the brush-repellent end.
- this arm is designed as a double lever and on the forms a counterweight from the brush-repellent end.
- a small pneumatically operated cylinder-piston unit is needed two hydraulically for the correct placement of the brush Actuable cylinder-piston units, a hydraulic motor for the rotary drive and finally the pneumatically operated cylinder-piston unit for turning on the Brush.
- the object of the invention is to provide a device that is maintained the basically simple construction of the drive devices of the latter kind of a hydraulic rough adjustment and a pneumatic fine adjustment of the Brush boom and thus the brush pressure allows.
- the object is achieved in that the pneumatically actuated cylinder-piston unit as a linear extension of the hydraulically operated cylinder-piston unit is arranged and this cylinder-piston units between one Support on the vehicle and the brush arm for a common Swiveling adjustment of the brush arm provided with the brush being used are.
- the unit consisting of the two cylinder-piston units thus replaces the simple ones Cylinder-piston units according to AT 344 232 B and EP 0 184 577 B.
- the possible extension length is largely advantageous from the hydraulic actuated cylinder-piston unit determined, this unit in the Extend position is stable and does not tend to shrink longitudinally.
- the contact pressure the brush depends largely on the action of the pneumatic actuatable cylinder-piston unit, the possible adjustment path this unit only has to be dimensioned sufficiently large to allow for the possibility to create the likely obstacles through rapid reduction to avoid the filling pressure.
- the pneumatically actuated Zyünder piston unit practically also forms an air spring, which over the brush minor bumps or compensate for obstacles without changing the pressure can.
- each of the two Cylinder-piston units consisting of cylinder, piston and piston rod, which two cylinders connected to each other and the supports on the vehicle or boom rods attacking the boom are led out on opposite sides are.
- Simply built cylinder-piston units can be used here find that on the cylinders only via a simple coupling piece need to be connected.
- the operation of the drive device is simplified and the adjustment accuracy of the brush boom, if according to the invention for the pneumatic actuatable cylinder-piston unit one or more position sensors are provided, the actuation of the hydraulically actuated via a control device Regulate the cylinder-piston unit in the sense of a tracking control.
- the desired contact pressure of the brush arm brushes is determined here Regulation of the pressurization of the pneumatically operated cylinder-piston unit specified. Because of the tracking control, the hydraulically operated follows Cylinder-piston unit automatically in its setting, so that on this Way u. a. Changes in distance of the tunnel washing vehicle from the tunnel wall automatically by changing the length of the hydraulically operated cylinder-piston unit be balanced. The operator only has that Task to observe the correct position of the brush arm and in the event of obstacles in time by operating the control for the pneumatically operated Cylinder-piston unit to bring about the evasive movement. There can be provided in the control device delay elements to prevent that in a short-term evasion then an unnecessary per se The hydraulically operated cylinder-piston unit is adjusted.
- a tunnel washing vehicle was essentially only the one on the chassis and the wheels 1 supported tank 2 for the washing liquid.
- two brush arms 3, 4 are attached.
- Main carrier which at one end of the rotating and drivable adjustable washing brushes 5 carries and with its other end not one shown transverse axis can be pivoted up and down and about a vertical axis 6 is pivotable to the side.
- a drive device according to the invention engages on the boom 3 7, which serves the pivoting about the vertical axis 6, immediately on, whereas a drive device 7 for the second boom 4 over a lever 8 is connected to this boom 4.
- the drive device consists of a hydraulically operated cylinder-piston unit 9 and a pneumatic one actuatable cylinder-piston unit 10.
- the cylinders 11, 12 of the cylinder-piston units 9, 10 are connected via an adapter plate 13 and the piston rods 14, 15 of the two cylinder-piston units 9, 10 are opposite Pages led out and on a support 16 and 17 on the vehicle and on Boom 3 or articulated on the lever 8 of the boom 4.
- the pressurization lines 18, 19 for the cylinder 11 of the hydraulically operated cylinder-piston unit 9 lead to a piston spool 20 indicated hydraulic regulator, the two inputs for connection has a feed pump 21 and a return line 22 in the illustrated Middle position the line 18, 19 blocks and thus the hydraulically operated Cylinder-piston unit 9 fixed in the current extended position, as well as in the two working positions, the lines 18, 19 alternately with the pump 21 and Return 22 connects.
- Working magnets 23, 24 determine when they are switched on the two working positions. For the actuation of these working magnets 23, 24 a central control unit 25 is provided, which is connected to sensors 26, 27 is.
- the control unit 25 switches the working magnet 23 a so that this connects the pump 21 to the line 18 and the piston 14 of the cylinder-piston unit 9 is acted upon in the direction of extension. Reached the piston of the cylinder-piston unit 7 the sensor 27, then switches Control unit 25, the working magnet 24, so that the control slide 20 Pump 21 connects to line 19 and line 18 to the return 22 so that the piston 14 of the cylinder-piston unit 9 moves back into the cylinder 11.
- the duration of exposure to the hydraulic cylinder-piston unit 9 can be regulated by a timer.
Description
- Fig. 1
- den Hauptteil eines mit zwei Bürstenauslegern ausgestatteten Tunnel-Waschfahrzeuges bei ausgestellten Bürstenauslegern in Draufsicht und
- Fig. 2
- eine erfindungsgemäße Antriebseinrichtung mit einer schematisch eingezeichneten Regeleinrichtung in größerem Maßstab.
Claims (4)
- Bürstenauslegervorrichtung eines Tunnelwaschfahrzeuges (1, 2) zum Anstellen der vom Bürstenausleger (3, 4) getragenen Bürste (5), mit einer hydraulisch betätigbaren Zylinder-Kolbeneinheit (9) zur Erzielung einer Grundeinstellung und einer pneumatisch betätigbaren Zylinder-Kolbeneinheit (10) für eine nachgiebige Feineinstellung, dadurch gekennzeichnet, daß die pneumatisch betätigbare Zylinder-Kolbeneinheit (10) als lineare Verlängerung der hydraulisch betätigbaren Zylinder-Kolbeneinheit (9) angeordnet ist und diese Zylinder-Kolbeneinheiten (9, 10) zwischen einer Abstützung am Fahrzeug (1, 2) und dem Bürstenausleger (3, 4) für eine gemeinsame Schwenkeinstellung des Bürstenauslegers (3, 4) unter Anstellung der Bürste (5) vorgesehen sind.
- Bürstenauslegervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die hydraulisch betätigbare Zylinder-Kolbeneinheit (9) den größeren, die pneumatisch betätigbare Zylinder-Kolbeneinheit (10) aber nur einen kleineren Teil des möglichen Gesamtverstellweges bestimmt.
- Bürstenauslegervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jede der beiden Zylinder-Kolbeneinheiten (9, 10) aus Zylinder (11, 12), Kolben und Kolbenstange (14, 15) besteht, die beiden Zylinder (11, 12) miteinander verbunden und die an Abstützungen (8, 16, 17) am Fahrzeug bzw. Ausleger (3) angreifenden Kolbenstangen (14, 15) nach entgegengesetzten Seiten herausgeführt sind.
- Bürstenauslegervorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß für die pneumatisch betätigbare Zylinder-Kolbeneinheit (10) ein oder mehrere Lagefühler (26 - 28) vorgesehen sind, die über eine Steuereinrichtung (20, 25) die Beaufschlagung der hydraulisch betätigbaren Zylinder-Kolbeneinheit (9) im Sinne einer Nachführsteuerung regeln.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT99890156T ATE274143T1 (de) | 1998-07-14 | 1999-05-19 | Bürstenauslegervorrichtung eines tunnelwaschfahrzeuges |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT47198U | 1998-07-14 | ||
AT0047198U AT2939U1 (de) | 1998-07-14 | 1998-07-14 | Antriebseinrichtung zur schwenkeinstellung eines bürstenauslegers eines tunnelwaschfahrzeuges |
AT24199U | 1999-04-13 | ||
AT24199U AT3380U1 (de) | 1999-04-13 | 1999-04-13 | Antriebseinrichtung zur schwenkeinstellung eines bürstenauslegers eines tunnelwaschfahrzeuges |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0972947A2 EP0972947A2 (de) | 2000-01-19 |
EP0972947A3 EP0972947A3 (de) | 2002-04-17 |
EP0972947B1 true EP0972947B1 (de) | 2004-08-18 |
Family
ID=25592000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990890156 Expired - Lifetime EP0972947B1 (de) | 1998-07-14 | 1999-05-19 | Bürstenauslegervorrichtung eines Tunnelwaschfahrzeuges |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0972947B1 (de) |
DE (1) | DE59910253D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101967806A (zh) * | 2010-07-05 | 2011-02-09 | 湖南恒润高科有限公司 | 道路清扫车扫盘的双气压控制升降装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT6809U3 (de) * | 2003-12-19 | 2004-11-25 | Zellinger Gmbh | Fahrzeug |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1403051A (fr) * | 1964-05-06 | 1965-06-18 | Materiel De Voirie | Engin automoteur pour nettoiement des parois de souterrains |
AT344232B (de) * | 1976-01-14 | 1978-07-10 | Zellinger Gmbh | Tunnelwaschfahrzeug |
JPS60147269A (ja) * | 1984-01-10 | 1985-08-03 | Mitsubishi Heavy Ind Ltd | 壁面研掃・塗装装置 |
AT380711B (de) * | 1984-12-04 | 1986-06-25 | Zellinger Gmbh | Buerstenausleger fuer ein tunnelwaschfahrzeug |
-
1999
- 1999-05-19 DE DE59910253T patent/DE59910253D1/de not_active Expired - Lifetime
- 1999-05-19 EP EP19990890156 patent/EP0972947B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101967806A (zh) * | 2010-07-05 | 2011-02-09 | 湖南恒润高科有限公司 | 道路清扫车扫盘的双气压控制升降装置 |
Also Published As
Publication number | Publication date |
---|---|
DE59910253D1 (de) | 2004-09-23 |
EP0972947A3 (de) | 2002-04-17 |
EP0972947A2 (de) | 2000-01-19 |
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