• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A device for paving mastic asphalt (2) on a road surface (4) comprises a vehicle (8) that can be displaced on lateral drives (6a, 6b) in a direction of travel (L) of the road surface and a vehicle (8) that is height-adjustable and is oriented transversely to the direction of travel Screed (10), which extends over a specified paving width (B) in order to smooth mastic asphalt poured onto the road surface in front of the vehicle to form an asphalt surface. The screed (10) is located between or in front of the side drives (6a, 6b). To simplify the paving process, the vehicle is designed for rail-free operation and the device with adjusting means (12) for continuous height adjustment of the screed according to a predefined level profile of the asphalt pavement equipped, the adjusting means interacting with a position determination device (14) which comprises a component (16) fixed to the vehicle and a stationary component (18).
    公开号:CH717213B1
    申请号:CH00092/21
    申请日:2021-02-01
    公开日:2021-11-30
    发明作者:Debrunner Christian；Scherrer Ralf
    申请人:Kibag Bauleistungen Ag；
    IPC主号:
    专利说明:

    Technical area
    The invention relates to a device for paving mastic asphalt on a road surface according to the preamble of claim 1 and a method for manufacturing an asphalt road by means of the device according to the invention.
    State of the art
    In the construction of asphalt roadways, two different paving methods are known to be used, which are based on the use of rolled asphalt or mastic asphalt. Both types of asphalt material are installed on a previously prepared substrate, in particular on a road surface. Rolled asphalt is first laid out and pre-compacted in order to be compacted to a predefined level using heavy rollers and, if necessary, vibrations. In contrast, mastic asphalt can be poured, distributed and installed in the final layer using a suitable device, in particular a mastic asphalt plank.
    Devices for paving mastic asphalt are known in numerous embodiments and are described in particular in DE 7307942 U, DE 2531667 A1 and DE 2313812 A.
    Various self-compacting mastic asphalt mixtures are also known, as described, for example, in WO 2010/089097 A1.
    The fact that when using mastic asphalt a compaction with heavy rollers is fundamentally an advantage of the method. However, the fact that a single passage of the screed takes place to form a predefined level profile of the asphalt requires a very precise height control Operation of the device. In Swiss road construction, for example, it is stipulated that for road superstructures for a signaled maximum speed of over 80 km / h, only individual bumps of up to 4 mm are permitted (REG norm VSS 40 525: 2019, National Register for the Publication of Norms, Standards and Other Regulations, page 6, Tab. 1). As a result, rail-mounted equipment is usually used in this country for paving mastic asphalt. However, this means that in order to manufacture an asphalt roadway, the road surface must first be created and this must be equipped with side rails, which must be measured precisely at a certain distance from the predefined level profile. After this preparation, a rail vehicle provided with the screed can be guided over the laid mastic asphalt material.
    In view of the considerable effort involved in installing mastic asphalt on rails, it would be very desirable to have a simplified but nevertheless reliable procedure.
    Presentation of the invention
    The object of the invention is therefore to provide an improved device for paving mastic asphalt on a road surface. Another object of the invention is to provide a method for manufacturing an asphalt roadway using the device according to the invention.
    These objects are achieved by the device defined in claim 1 and by the method defined in claim 9.
    The inventive device for paving mastic asphalt on a road surface comprises:a vehicle that can be moved in one direction of travel on lateral drives on the road surface;a screed mounted on the vehicle adjustable in height and aligned transversely to the direction of travel, which extends over a specified paving width in order to smooth mastic asphalt poured onto the road surface in front of the vehicle to form an asphalt surface. The screed is located between or in front of the side drives, i.e. it is not arranged behind the side drives as is the case with trailed smoothing machines.
    In the present context, i.e. when paving mastic asphalt on a road surface, the direction of travel of the vehicle is chosen so that it is aligned parallel to the local longitudinal direction of the roadway to be created. The directional terms “before” and “after” used here refer to the direction of travel of the vehicle.
    The fact that the side drives are designed as caterpillar drives or as wheel drives for rail-free operation and that the device is equipped with adjusting means for ongoing height adjustment of the screed according to a predefined level profile of the asphalt pavement, the adjusting means interacting with a position determination device which one Comprising a component that is fixed to the vehicle and a component that can be positioned in a fixed position, there are various advantages over the prior art.
    In particular, the possibility of ongoing height adjustment of the screed enables rail-free operation of the vehicle without significant loss of precision, which ultimately allows a considerable reduction in the time required. This results from the omission of the initial layout of rails. In the present context, the term “continuous height adjustment” is to be understood not only as a continuous process in the strict sense, but also as an adjustment that takes place at short time intervals. However, the time intervals must be sufficiently short compared to the course of the installation process over time, in particular to the speed of the vehicle.
    According to the above-mentioned advantages, the inventive device is used in the inventive method for manufacturing an asphalt roadway, the vehicle being moved on a prepared road surface in the direction of travel, the screed attached to the vehicle in front of the vehicle poured out mastic asphalt on the road surface to a die Smoothing the asphalt pavement forming the asphalt roadway, and the height of the screed being continuously adjusted in accordance with a predefined level profile of the asphalt pavement by means of the adjusting means interacting with the positioning device. The speed of movement of the vehicle can be selected from a wide range depending on the situation, which is typically between approx. 0.1 and 3 m / min.
    It goes without saying that due to the paving screed oriented transversely to the direction of travel, the mentioned paving width is defined precisely by the total length of the paving screed. The device is basically configured in such a way that it can be used to produce an asphalt pavement, in particular for an asphalt roadway, with a width that corresponds to the specified paving width of the screed.
    Advantageous configurations and embodiments are defined in the dependent claims.
    According to an advantageous embodiment, the overall length of the paving screed, which, as already mentioned, defines the paving width, can be set in advance according to the desired application, in particular a paving width of 2.5 to 15 m can be set (claim 2). Appropriately configured extending screeds are known in principle.
    In principle, different types of position determination device can be used. Advantageously, the position determination device comprises two reflectors mounted at a distance from one another on the vehicle as a component fixed to the vehicle and two total stations which can be positioned at a distance from one another on a solid base as a stationary component. As is known, a total station can measure both horizontal directions and vertical angles, as well as inclined distances to a target point. Electronic total stations are particularly advantageous for this purpose, and these are commercially available. Prism reflectors are expediently used as reflectors.
    According to a further embodiment, the position determination device comprises as a component fixed to the vehicle a reflector mounted on the vehicle and a slope sensor mounted on the vehicle and as a fixedly positionable component two total stations which can be positioned at a distance from one another on a solid base (claim 4).
    It is also advantageous if the adjusting means are designed as lifting spindle drives or as hydraulic members (claim 5). It goes without saying that these must be configured in such a way that a sufficiently fast response time or actuating speed is achieved. Specifically, this means that the necessary height adjustments of the screed can be made at a given speed of movement of the vehicle.
    In principle, different designs of the side drives can be used. In particular, a large number of correspondingly dimensioned side wheels could be provided. However, it is particularly advantageous if the lateral drives are designed as caterpillar drives (claim 6).
    According to a particularly preferred embodiment, the device comprises a control device fixed on board, by means of which the interaction of position determining device and adjusting means can be controlled according to the predefined level profile of the asphalt pavement (claim 7). For such a control device, in particular a component from a modular system for the intelligent control of construction machines can be used. Such systems are offered by various manufacturers, for example as a so-called “total station” from Leica Geosystems AG. An exemplary use for the control of a paving train consisting of several vehicles is described in EP 2155968 B1. In the present case, the term “on-board” is to be understood as meaning that the control device can in principle ride along on the vehicle. Removable components such as operating tablets and the like can also be subsumed under this.
    It goes without saying that for the operation of the device according to the invention or for the implementation of the method according to the invention, a sufficiently uniform distribution of the mastic asphalt material poured out in front of the vehicle is necessary. In principle, this can already be initiated when the goods are being dumped, for example by a truck driving ahead with a corresponding distribution distributor, or in extreme cases by a separate transverse distribution unit driving ahead. According to an advantageous embodiment, the vehicle of the device according to the invention is equipped with transverse distribution elements for mastic asphalt located on the road surface, the transverse distribution elements being in the direction of travel in front of the screed (claim 8).
    According to a preferred embodiment of the method, the asphalt pavement forming the asphalt track is manufactured in such a way that a tolerance of ± 4 mm, preferably ± 3 mm, in particular ± 2 mm with respect to the predefined level profile is maintained (claim 10). This means that the current requirements for the construction of asphalt roads in this country can be met.
    Brief description of the drawings
    An exemplary embodiment of the invention is described in more detail below with reference to the drawings, in which: FIG. 1 shows a device according to the invention, in a side view; and FIG. 2 shows a part of the device from FIG. 1, in a perspective view.
    Ways of Carrying Out the Invention
    For a better illustration of the individual elements, the illustrations sometimes differ considerably from a representation to scale. Furthermore, some of the fundamentally known components are shown in a greatly simplified manner or are even omitted entirely.
    The device shown in Fig. 1 for paving mastic asphalt 2 on a road surface 4 comprises a vehicle 8 which can be moved in a direction of travel L of the road surface on lateral drives 6a, 6b aligned screed 10, which extends over a predetermined paving width B. The screed 10 is set up to smooth mastic asphalt 2a poured onto the roadway substrate 4 in front of the vehicle 8 in order to form an asphalt pavement 2b. This is indicated in the figure by the fact that the mastic asphalt 2a located in front of the screed 10 is higher than the mastic asphalt 2b located after the screed 10. It goes without saying that a continuous height adjustment is carried out in order to form a predefined level profile of the asphalt pavement 2b. In the example shown, the screed 10 is arranged centrally on the vehicle, i.e. in a longitudinal position between the drives 6a and 6b.
    In a further embodiment, not shown here, the screed is arranged in the direction of travel in front of the lateral drives.
    The vehicle 8 is designed for rail-free operation, the side drives 6a, 6b in the example shown are designed as caterpillar drives, which run on the road surface 4 and move the vehicle in the direction shown by the arrow.
    The device is also equipped with adjusting means 12 for continuous height adjustment of the screed 10 in accordance with a predefined level profile of the asphalt pavement. These actuating means interact with a position determination device 14, which comprises a component 16 fixed to the vehicle and a stationary component 18. In the example shown, the position determination device comprises two reflectors 20 mounted at a distance from one another on the vehicle as a component fixed to the vehicle and two total stations 22 positioned at a distance from one another on a solid base as a fixed component, only one of which is visible in the figure. The line of sight 24 used for such a device combination is shown by a dash-dotted line.
    In the example shown, the adjusting means 12 are implemented as two laterally arranged lifting spindle drives 12a, 12b, by means of which a height adjustment Ha and Hb of the screed can be effected.
    In addition, the device comprises a control device 26 fixed on board, by means of which the interaction of position determining device 12 and adjusting means 14 can be controlled according to the predefined level profile of the asphalt pavement. It goes without saying that the required control signals are implemented by appropriately applied cable connections, but in particular also by wireless connections, which are only indicated schematically in the figure as dashed lines.
    In a further embodiment, not shown here, the vehicle is equipped with transverse distribution elements for mastic asphalt located on the road surface, which are located in front of the screed in the direction of travel. These can in particular be arranged on the front side 28 of the vehicle.
    权利要求:
    Claims (10)
    [1]
    1. A device for paving mastic asphalt (2) on a road surface (4), comprising:- A vehicle (8) which can be moved in one direction of travel (L) on lateral drives (6a, 6b) on the road surface (4);- A screed (10) that is height-adjustable and is attached to the vehicle and is aligned transversely to the direction of travel and extends over a predetermined paving width (B) in order to smooth mastic asphalt poured onto the road surface in front of the vehicle to form an asphalt pavement, with the screed (10) between or in front of the side drives (6a, 6b);characterized in that the lateral drives are designed as caterpillar drives or as wheel drives for rail-free operation and that the device is equipped with adjusting means (12, 12a, 12b) for continuous height adjustment of the screed according to a predefined level profile of the asphalt pavement, the adjusting means with a Interacting position determination device (14), which comprises a component (16) fixed to the vehicle and a component (18) which can be positioned in a stationary manner.
    [2]
    2. Apparatus according to claim 1, wherein the screed can be preset to a paving width of 2.5 to 15 m.
    [3]
    3. Device according to claim 1 or 2, wherein the position determination device comprises two reflectors (20) mounted at a distance from one another on the vehicle as a component fixed to the vehicle and two total stations (22) which can be positioned at a distance from one another on a solid base as a stationary component.
    [4]
    4. Apparatus according to claim 1 or 2, wherein the position determination device comprises as a component fixed to the vehicle a reflector mounted on the vehicle and a slope sensor mounted on the vehicle and as a fixedly positionable component two total stations which can be positioned at a distance from one another on a solid base.
    [5]
    5. Device according to one of claims 1 to 4, wherein the adjusting means are designed as lifting spindle drives or as hydraulic members.
    [6]
    6. Device according to one of claims 1 to 5, wherein the lateral drives are designed as caterpillar drives.
    [7]
    7. Device according to one of claims 1 to 6, further comprising a board-mounted control device (26), by means of which the interaction of position determining device and adjusting means can be controlled according to the predefined level profile of the asphalt pavement.
    [8]
    8. Device according to one of claims 1 to 7, wherein the vehicle is equipped with transverse distribution elements for mastic asphalt located on the road surface, the transverse distribution elements (28) in the direction of travel (L) in front of the screed.
    [9]
    9. A method for manufacturing an asphalt road by means of a device according to one of the preceding claims, wherein the vehicle is moved on a prepared road surface in the direction of travel (L), the screed (10) attached to the vehicle in front of the vehicle into a mastic asphalt poured onto the road surface smoothes the asphalt pavement forming the asphalt roadway, the height of the screed (10) being continuously adjusted by means of the adjusting means (12, 12a, 12b) cooperating with the position determination device (14) according to a predefined level profile of the asphalt pavement.
    [10]
    10. The method according to claim 9, wherein the actuating means cooperating with the position determining device (14) are operated so that the asphalt pavement is smoothed with a tolerance of ± 4 mm, preferably ± 3 mm, in particular ± 2 mm compared to the predefined level profile.
    类似技术:
    公开号 | 公开日 | 专利标题
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    CH634367A5|1983-01-31|RAILWAY TRANSITION.
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    DE2439788A1|1976-03-04|Self-propelled tarmac-consolidating road-roller - with separately line-adjustable roller units independently controllable for movement and vibration
    EP3872260A1|2021-09-01|Road finisher with projector
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    同族专利:
    公开号 | 公开日
    CH717213A2|2021-09-15|
    CH717191A1|2021-09-15|
    EP3875687A1|2021-09-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE7307942U|1973-08-09|Voegele J Ag|Road paver for paving mastic asphalt|
    DE2313812A1|1973-03-16|1974-09-19|Lorenz Dipl Ing Claussen|CAST ASPHALT - BUILT-IN MACHINE|
    DE2314812A1|1973-03-24|1974-10-03|Voegele Ag J|PAVERS|
    DE2531667A1|1975-07-16|1977-02-03|Deutsche Asphalt Gmbh|Mastic asphalt spreader and smoother - with individual driven wheels adjustable about vertical axis and central drive assembly|
    DE29713808U1|1997-08-04|1997-09-25|Baechle Hans Dieter|Large paver for road surfaces with adjustable track|
    DE20000148U1|2000-01-05|2001-05-23|Heilit & Woerner Bau Ag|Paver in container size|
    EP1774103B1|2004-07-26|2011-05-25|Somero Enterprises, Inc.|Powered strike-off plow|
    EP1672122A1|2004-12-17|2006-06-21|Leica Geosystems AG|Method and apparatus for controlling a road working machine|
    EP2006448A1|2007-06-21|2008-12-24|Leica Geosystems AG|Paving machine for applying a cover layer made of concrete or asphalt material|
    GB0814381D0|2008-08-06|2008-09-10|Sinnamon Trevor H|Screed working apparatus|
    DE102009007301B4|2009-02-03|2013-08-22|Landesbetrieb Straßenbau NRW|Gussasphaltmischgut for road surface layers|
    US8989968B2|2012-10-12|2015-03-24|Wirtgen Gmbh|Self-propelled civil engineering machine system with field rover|
    US9551115B2|2014-12-19|2017-01-24|Wirtgen Gmbh|Transition on the fly|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH00256/20A|CH717191A1|2020-03-04|2020-03-04|Device for paving mastic asphalt on a road surface and method for manufacturing an asphalt road.|
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