EP1247904A2 - Strassenfertiger - Google Patents
Strassenfertiger Download PDFInfo
- Publication number
- EP1247904A2 EP1247904A2 EP02007293A EP02007293A EP1247904A2 EP 1247904 A2 EP1247904 A2 EP 1247904A2 EP 02007293 A EP02007293 A EP 02007293A EP 02007293 A EP02007293 A EP 02007293A EP 1247904 A2 EP1247904 A2 EP 1247904A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pair
- travel
- front wheel
- wheel
- front wheels
- 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
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
Definitions
- the invention relates to a paver according to the preamble of Claim 1.
- Asphalt pavers with wheeled trolleys have such a feature Crawler undercarriages have less traction and moreover with loose ones Underground, a disadvantageous, smaller footprint. This can with the relatively small diameter front wheels, which are below the front bucket for receiving material to be installed, for Sink into the subsurface, causing lateral throws in it result. With driven front wheels, which on loose ground for If it slips, this effect becomes more apparent.
- the object of the invention is a paver according to the preamble of claim 1 to create an attitude to different Soil conditions allowed.
- the front is in the direction of travel arranged front wheel pair optionally opposite the rear front wheel pair separated with regard to level compensation and also optionally compared to the Relief of the subsurface leads constructively in connection with this simple and therefore inexpensive solution that an adjustment to different soil conditions is made possible.
- the discharge that is expediently infinitely adjustable, preferably up to the total Relief of the front pair of front wheels in the direction of travel, based on the Paver construction.
- the latter also offers the advantage that the front wheels of the front pair of front wheels only with their own weight burden, as a result of a corresponding shift in the center of gravity Road paver the rear axle load is reduced accordingly, so that if necessary, a load permissible for road transport (in Germany 12 t) or less can be achieved without dismantling parts and must be housed in the bucket for the purpose of shifting the center of gravity.
- the road paver shown in Fig. 1 comprises a mobile Basic machine 1 with a rear wheel undercarriage 2 (which is also indicated by a short Crawler track can be replaced) and two pairs of steerable Front wheel pairs 3, 4, namely a front and a rear front wheel pair 3, 4.
- the basic machine 1 has a bucket 5 on the front and one on the back (not shown) distribution screw, between which a (not shown) Conveyor for transporting mix 6 to be installed from the bucket 5 through a conveyor shaft, above which structures 7 are located, in the area of Distribution screw is arranged.
- the screed 8 On the basic machine 1 there is a screed 8 for floating installation of the mix to be installed articulated via draw arms 9.
- the screed 8 is located behind the area of the auger and in the direction of installation includes a base screed 10 and behind or laterally attached Extendable screed parts 11 can be extended independently of one another.
- the basic screed 10 is Usually divided in the middle, with the two halves of the base screed 10 Adjustment of a roof profile transverse to the direction of installation can be tilted against each other. By means of the extending screed parts 11, the base screed 10 is approximately double Width can be widened. Should an additional widening be made be done by manually attachable screed parts.
- Each pull arm 9 is at its front end on the basic machine 1 pivotably articulated, the articulation point relative to the basic machine 1- as shown - be adjustable in height via a cylinder 12 and a guide 13 can.
- the screed 8 is also hydraulic, on the basic machine 1st articulated (not shown) screed relief cylinder, also called Screed transport cylinders are available, connected to the basic machine 1, the according to manual specification, part of the screed weight on the basic machine 1 transmitted, which not only increases the traction force of their traction drive is, but also the swimming behavior of the screed 8 especially when Installation of unsustainable mix is improved by a too strong Sinking of the screed 8 is prevented.
- the basic machine 1 has a drive motor 14, generally one Diesel engine, on. This drives a hydraulic pump 15 and a generator 16 Power generation.
- the hydraulic pump 15 supplies the pressure oil for subsequent ones Aggregates.
- the two wheels of the rear wheel chassis 2 are shown in the Embodiment hung individually and each via a hydraulic drive 17th can be driven by a distributor 18 with pressure oil from the hydraulic pump 15 is supplied.
- the wheels of the two pairs of front wheels 3, 4 are also individual suspended by a vertically arranged hydraulic cylinder 19 for each wheel is provided in which a kingpin 20 is vertically displaceable and further is rotatably guided horizontally via a lever 21, as for example in EP 0 283 733 B1.
- Each kingpin 20 is accordingly formed its upper end as a piston rod, wherein in the Hydraulic cylinders 19 located above the kingpin 20 Hydraulic cylinder spaces 22 via compensation lines 23 transverse to the direction of travel Road paver and also via a connecting the compensating lines 23 Line 24 are interconnected. This allows corresponding Differences in the height level of the front wheels can be compensated for, as in FIG. 2 is shown.
- a directional control valve in line 24 25 arranged to separate the front pair of front wheels 3 from the rear pair of front wheels 4 to be able to separate hydraulically while the two wheels of the two Front wheel pairs 3, 4 hydraulically with one another via the equalization lines 23 stay paired.
- the directional control valve 25 is connected to a pressure control valve 26 Pressure source 27 and a hydraulic oil sump 28 connected. In the illustrated central position of the directional valve 25, the can be controlled from the driver's cab via an electrical line, for example, are all front wheels, i.e.
- the individually suspended wheels of the front wheel pairs 3, 4 cannot be driven, however, are preferably via hydraulic motors 29, which a distributor 30 is supplied with pressure oil by a hydraulic pump 31, drivable.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Vehicle Body Suspensions (AREA)
- Working-Up Tar And Pitch (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
Description
Claims (5)
- Straßenfertiger mit einem ein vorderes und ein hinteres Vorderradpaar umfassenden, an einer Grundmaschine (1) angeordneten Radfahrwerk (2, 3, 4), wobei an der Grundmaschine (1) vorderseitig ein Kübel (5) zur Aufnahme von Einbaumaterial (6) und rückseitig eine an der Grundmaschine (1) angelenkte und in einer Transportstellung feststellbare Einbaubohle (8) angeordnet sind, wobei die beiden Vorderradpaare (3, 4) im Bereich unterhalb des Kübels (5) angeordnet sind und deren in Fahrtrichtung vordere und hintere Vorderräder jeder Seite eine Einzelradaufhängung mit hydraulischem Niveauausgleich besitzen, dadurch gekennzeichnet, daß das in Fahrtrichtung vorn angeordnete Vorderradpaar (3) gegenüber dem hinteren Vorderradpaar (4) hydraulisch separierbar und gegenüber dem Untergrund entlastbar ist.
- Straßenfertiger nach Anspruch 1, dadurch gekennzeichnet, daß die Entlastung des in Fahrtrichtung vorn angeordneten Vorderradpaars (3) stufenlos einstellbar ist.
- Straßenfertiger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Einzelradaufhängungen der vorderen und hinteren Vorderräder quer zur Fahrtrichtung jeweils durch eine Ausgleichsleitung (23) miteinander hydraulisch verbunden sind, wobei die beiden Ausgleichsleitungen (23) durch eine Leitung (24) mit einem Wegeventil (25) verbunden sind, mit dem die Einzelradaufhängungen des in Fahrtrichtung vorn angeordneten Vorderradpaars (3) gegenüber denen des hinteren Vorderradpaars (4) hydraulisch separierbar und gegenüber dem Untergrund entlastbar sind.
- Straßenfertiger nach Anspruch 3, dadurch gekennzeichnet, daß das Wegeventil (25) über ein Druckregelventil (26) mit einer Druckölquelle (27) und einem Ölsumpf (28) verbunden ist.
- Straßenfertiger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß wenigstens das hintere Vorderradpaar (4) antreibbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10117583A DE10117583B4 (de) | 2001-04-07 | 2001-04-07 | Straßenfertiger |
DE10117583 | 2001-04-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1247904A2 true EP1247904A2 (de) | 2002-10-09 |
EP1247904A3 EP1247904A3 (de) | 2003-09-17 |
EP1247904B1 EP1247904B1 (de) | 2006-02-01 |
Family
ID=7680899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02007293A Expired - Lifetime EP1247904B1 (de) | 2001-04-07 | 2002-04-03 | Strassenfertiger |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1247904B1 (de) |
AT (1) | ATE317033T1 (de) |
DE (2) | DE10117583B4 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018117920A1 (en) * | 2016-12-22 | 2018-06-28 | Volvo Construction Equipment Ab | Paver provided with selective hydraulic suspension of fore-wheels in paving and non-paving modes |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016007076A1 (de) * | 2016-06-10 | 2017-12-14 | Dynapac Gmbh | Straßenbaumaschine und Verfahren zum Betreiben einer selbstfahrenden Straßenbaumaschine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0283733A2 (de) | 1987-02-25 | 1988-09-28 | ABG-WERKE GmbH | Strassendeckenfertiger |
EP0308404A1 (de) | 1987-04-10 | 1989-03-29 | Domenico Domenighetti | Strassenfertiger mit einer kombination von achsen mit lenkbaren rädern und gleisketteneinheiten. |
DE4138076A1 (de) | 1990-11-19 | 1992-07-02 | Caterpillar Mitsubishi Ltd | Vorrichtung zum steuern einer vorderradantriebskraft bei einem allradantriebs-asphaltfertiger |
DE19513195A1 (de) | 1995-03-31 | 1996-10-10 | Svedala Strasenfertiger Gmbh | Fertiger für Straßendecken mit einer Reifen-Hinterradachse |
DE29920556U1 (de) | 1999-11-23 | 2000-02-17 | Voegele Ag J | Straßenfertiger |
DE20009280U1 (de) | 2000-05-23 | 2000-08-17 | Voegele Ag J | Straßenfertiger |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29704207U1 (de) * | 1997-03-07 | 1997-04-24 | ABG Allgemeine Baumaschinen GmbH, 31785 Hameln | Deckenfertiger |
-
2001
- 2001-04-07 DE DE10117583A patent/DE10117583B4/de not_active Expired - Lifetime
-
2002
- 2002-04-03 AT AT02007293T patent/ATE317033T1/de active
- 2002-04-03 EP EP02007293A patent/EP1247904B1/de not_active Expired - Lifetime
- 2002-04-03 DE DE50205729T patent/DE50205729D1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0283733A2 (de) | 1987-02-25 | 1988-09-28 | ABG-WERKE GmbH | Strassendeckenfertiger |
EP0308404A1 (de) | 1987-04-10 | 1989-03-29 | Domenico Domenighetti | Strassenfertiger mit einer kombination von achsen mit lenkbaren rädern und gleisketteneinheiten. |
DE4138076A1 (de) | 1990-11-19 | 1992-07-02 | Caterpillar Mitsubishi Ltd | Vorrichtung zum steuern einer vorderradantriebskraft bei einem allradantriebs-asphaltfertiger |
DE19513195A1 (de) | 1995-03-31 | 1996-10-10 | Svedala Strasenfertiger Gmbh | Fertiger für Straßendecken mit einer Reifen-Hinterradachse |
DE29920556U1 (de) | 1999-11-23 | 2000-02-17 | Voegele Ag J | Straßenfertiger |
DE20009280U1 (de) | 2000-05-23 | 2000-08-17 | Voegele Ag J | Straßenfertiger |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018117920A1 (en) * | 2016-12-22 | 2018-06-28 | Volvo Construction Equipment Ab | Paver provided with selective hydraulic suspension of fore-wheels in paving and non-paving modes |
WO2018115098A1 (en) | 2016-12-22 | 2018-06-28 | Volvo Construction Equipment Ab | Paver and method for operating a paver |
US20200095736A1 (en) * | 2016-12-22 | 2020-03-26 | Volvo Construction Equipment Ab | Paver and method for operating a paver |
US10961667B2 (en) | 2016-12-22 | 2021-03-30 | Volvo Construction Equipment Ab | Paver and method for operating a paver |
Also Published As
Publication number | Publication date |
---|---|
DE10117583A1 (de) | 2002-11-07 |
ATE317033T1 (de) | 2006-02-15 |
DE10117583B4 (de) | 2005-06-02 |
EP1247904A3 (de) | 2003-09-17 |
DE50205729D1 (de) | 2006-04-13 |
EP1247904B1 (de) | 2006-02-01 |
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