Road building machine

Abstract

The utility model relates to a road building machine (1, 20), which can be provided in the form of a road paver (2) or a feeding vehicle (21) for the road paver (2), the road building machine (1, 20) comprises at least one control station (9, 17) with at least one open side (S), and the control station (9, 17) comprises a control console (K, K ', K' ') for controlling and monitoring the process which can be executed by means of the road building machine (1, 20); and a fresh air system (35) having at least one fresh air opening (36, 54, 61), the fresh air system (35) being fully integrated in the console (K, K, K ").

Description

Technical Field

[0001] The utility model relates to a road construction machine. Background Art

[0002] Traditionally, a fresh air system is used in a closed vehicle cab to filter air sucked in from outside the vehicle cab and provide the filtered air to the interior of the vehicle cab isolated from the outside as fresh air for passengers in the vehicle. EP 3 463 947 B1 and US 6,290,286 B1 disclose an excavator vehicle with a closed cab, in which a fresh air system is installed.

[0003] DE 10 2020 123 723 A1 discloses a road paver having an air nozzle unit integrated in the roof of a driver's control station in order to generate an air curtain around the control station. Alternatively, an air curtain generated by the air nozzle unit is used in front of the paving screed to cover the auger chamber there, so that the steam generated in the auger chamber due to the lateral distribution of the paving material can be better sucked away. The principle of the air curtain separation of the driver's control station and the principle of the air curtain enclosure of the auger chamber in front of the paver helps to prevent steam from reaching the driver's control station and the external control station of the paver.

[0004] However, air nozzle systems used for this purpose are costly in their construction and cannot be easily used as standardized units on different types of road pavers, since the roof structures formed on different types of pavers have different dimensions and their working widths may also be different. In addition, air nozzle units tend to generate more noise at the workplace of the driver or screed operator. Utility Model Content

[0005] The object of the invention is to improve the working conditions on a road paver or a feed vehicle for a road paver by means of or using a simple, cost-effective device for improving the air quality.

[0006] The utility model relates to a road construction machine, which is provided in the form of a road paver or a feed vehicle for a road paver. The road construction machine according to the utility model comprises at least one control station having at least one open side. Therefore, the control station on the road construction machine according to the utility model is not arranged as a closed carriage. The control station according to the utility model comprises: at least one control console, which is used to control and monitor a process that can be performed by means of the road construction machine; and a fresh air system, which has at least one fresh air opening. According to the utility model, the fresh air system is fully integrated in the control console.

[0007] Thus, in the present invention, the area of ​​the open control station which is already ventilated with ambient air can be additionally supplied with fresh air, thereby improving the overall air quality directly at the control station for the driver or operator. By using the control station itself as a fresh air generator, the vapors and / or aerosols contained in the air in the open control station area can be reduced to a permissible level which is not considered to be harmful to the health of the driver or operator.

[0008] The generation and output of fresh air is directly carried out via the control console of the control station. Therefore, the fresh air device is completely integrated into the control console in terms of structure and function. Therefore, the fresh air system is not regarded by the staff as a separate module on the control station, but as an integrated component of the control console set thereon, and can therefore also be used more reliably by the staff.

[0009] Since the fresh air system is integrated in the control console, it can be used in this form as a versatile standard module on different types of road pavers and feeders and, most importantly, is not dependent on a specific type of different structure. The integrated structure offers significant cost advantages compared to separate systems, which can also pose a trip hazard at the control station.

[0010] Together, these modules on the paver or feeder have a compact design due to the complete integration of the fresh air system into the control console.

[0011] The fresh air system integrated into the control console operates with low noise and energy saving due to the short air duct. In addition, due to the one-piece structure, there are no loose parts around it that may affect the operation. On the contrary, integrating the fresh air system into the control console can make the workplace neat and clear, which has a good effect on machine operation. Another advantage is that the driver or operator's field of vision is less restricted due to the integrated structure.

[0012] The control console forms a suitable module to accommodate the fresh air system without requiring significantly more space at the control station. In particular, the user interface already used on the control console can be used for the front fresh air supply.

[0013] Thanks to the installation of a complete fresh air system integrated into the control console, the potential surfaces for contamination or deposits at the control station can also be reduced, since the air ducts and fresh air openings of the fresh air system are integrated into the control console, i.e. there are no components that can be separated from the control console and become dirty. Therefore, the cleaning intervals of the control station need to be less frequent.

[0014] Furthermore, the fresh air supply provided directly from the control console also provides a protective function for the control console (in particular, the operating unit for controlling the road construction machine), because the fresh air supplied directly to the control console also generates a certain protective atmosphere on the control console (in particular, on the control panel mounted thereon), which has the effect of keeping the user interface of the control console clean. Thus, the direct output of fresh air at the control console ensures both improved air quality for the operator working at the control console and improved airspace for the control console operating area, so that the control console can be kept clean for a longer period of time in an atmosphere rich in this fresh air and is therefore more reliable to use.

[0015] A particular variant proposes that the control console has a control panel and a control panel support, the control panel having a user interface for controlling and monitoring processes that can be performed with the aid of a road construction machine, the control panel support being a substructure of the control panel, wherein the fresh air system is at least partially integrated in the control panel and / or at least partially integrated in the control panel support. Thus, the control panel and / or the control panel support for the control panel can be used as a fresh air module in a compact structure. The control panel support can be used for the control panel, in particular as a substructure or base to which the control panel is attached. Such a control panel support can be mounted in particular on a control console slide or a control console guide so that the control panel on the control station can be adjusted.

[0016] Preferably, the control of the fresh air system can be performed by means of at least one operating unit integrated in the control panel and / or the control panel support. Thus, the operating device of the fresh air system is integrated into the user interface of the control panel and / or the control panel support. It is conceivable that in the user interface of the control panel and / or in the control panel support, for example, a rotary controller is provided, which is used to set the fresh air supply.

[0017] One variant provides that the control panel has at least one touch display configured to control the fresh air system. In particular, the touch display is a component of an operating unit provided in a user interface of the control panel for controlling and monitoring processes that can be performed with the road construction machine, for example an integral component of a tablet belonging to the control panel and detachably mounted thereon. The operating unit, in particular the tablet, can be configured to automatically adjust the fresh air supply of the fresh air system as a function of the atmospheric conditions detected at the control station, in particular the air quality present there.

[0018] In particular, at least one fresh air opening is formed in the user interface and / or in a surface formed by the control panel support, for example in a cladding thereon. Preferably, the control panel support is firmly connected to the control panel and is thus always aligned with the operator, so that the operator can be supplied with fresh air regardless of whether fresh air flows out of the control panel and / or from the control panel support positioned thereunder.

[0019] Preferably, a plurality of fresh air openings are provided in the user interface of the control panel and / or in the surface formed by the control panel support, for example in a cladding formed thereon. These allow fresh air to escape from the front of the user interface created on the control panel at various points of the control panel and / or from the front of the control panel support at various points. The fresh air openings on the control panel occupy a part of the user interface, i.e. they are directly integrated into the user interface, so that a plurality of fresh air flows are generated directly from the user interface. These fresh air openings can be distributed over the user interface so that the atmosphere enriched with fresh air extends over a large area of ​​the user interface.

[0020] The fresh air openings can be distributed on the user interface of the control panel and / or on the control panel support as required. A preferred variant provides that the fresh air openings are evenly distributed on the user interface. This ensures a better fresh air supply over the entire user interface. In particular, in the case of a control panel with a wide configuration, this enables the fresh air supply to be evenly distributed over the width.

[0021] It is conceivable that a plurality of groups of fresh air openings are formed in the user interface, wherein the grouped fresh air openings are in each case located in particular along the lateral edge regions of the user interface. In these lateral edge regions, the fresh air flows formed therein can interact as fresh air walls, i.e. produce a separation effect for steam and / or aerosols from the outside directly at the control panel. In addition, further fresh air openings can be provided in the user interface of the control panel between the grouped fresh air openings in the edge region in order to provide a sufficient fresh air supply between the lateral fresh air curtains.

[0022] Preferably, at least one row of fresh air openings arranged transversely to the direction of travel and / or at least one row of fresh air openings arranged along the direction of travel of the road builder is formed in the user interface. The fresh air openings arranged in rows within the user interface can divide the user interface into a plurality of functional areas, thereby ensuring that the functional structure of the user interface is clear and neat, and easy for the operator or driver to operate. In addition, the fresh air openings arranged in rows result in the user interface not being significantly enlarged, and thus result in a compact structure of the control panel as a fresh air generator. The row of fresh air openings formed across the user interface can be located on the control panel along the top, middle or bottom of the user interface. Multiple horizontal rows of fresh air openings are also conceivable.

[0023] A variant provides that there are a plurality of operating panels in the user interface, wherein at least one fresh air opening is positioned between the operating panels. This allows a positive fresh air supply to be formed between the operating panels through the user interface to the operator or driver.

[0024] According to one embodiment of the utility model, a total of three or four operating panels are formed in the user interface. In these variations, one of the operating panels can be configured as a touch display, which is particularly configured to control the fresh air system. According to one embodiment, at least two groups formed by a number of fresh air openings, respectively, can be positioned between adjacent operating panels. Therefore, a fresh air flow from the user interface can be formed near each operating panel, so that the operator or driver benefits from the front fresh air supply in the entire area of ​​the control panel. According to this embodiment, each group can contain two or three fresh air openings.

[0025] Adjacent operating panels can be equipped with specific operating units. A variant proposes that an operating unit that can be used to set all functions of the fresh air system is provided in one of the operating panels, such as the above-mentioned touch display.

[0026] The operating panels are arranged on the control panel, in particular subdivided in a 2x2 pattern, so that areas are left free between the operating panels, in which fresh air openings can be formed. Since free areas are required constructively between the operating panels to form the subdivided arrangement, integrating fresh air openings into these areas does not significantly increase the overall size of the user interface.

[0027] According to one embodiment, the fresh air system integrated in the control panel is configured for both frontal and lateral fresh air supply to the operator or driver. With the frontal fresh air supply, the fresh air flow is directed to the operator or driver. On the other hand, the lateral fresh air supply is directed laterally from the control panel. Together, the frontal and lateral fresh air supplies can expand the fresh air-rich atmosphere at and around the control panel.

[0028] It is conceivable that, in order to form a lateral fresh air supply at the user interface, the areas adjacent to the outside of the control panel have additional fresh air openings. The fresh air flow from these areas, which is laterally away from the user interface, can form an air barrier around the user interface, at least in some areas, to prevent steam from rising from the back side of the control panel into the operating area. The fresh air flow directed laterally away from the user interface can have such an intensity that a suction effect can be generated on the user interface or a negative pressure can be generated via the user interface at least in some areas in order to suck away the air that has been collected thereon. This suction effect can be enhanced by configuring the fresh air openings for this purpose as nozzles (in particular flat nozzles) on the outside of the control panel.

[0029] Preferably, the control panel has a housing, and the fresh air system has at least one fan installed in the housing. The fan can be arranged as a radial fan or an axial fan. By placing the fan of the fresh air system in the housing of the control panel, the overall manufacturing cost can be reduced by the overall structure. In particular, the fan can be powered by a battery integrated in the control panel. Alternatively, the fan can be connected to a power supply integrated in the control panel. The fan can be driven electrically, pneumatically or hydraulically.

[0030] It will be useful if the housing of the control panel at least partially forms an air duct connecting the fan to one or more fresh air openings. The air duct can be arranged to guide fresh air to fresh air openings integrated in the user interface of the control panel and / or to fresh air openings integrated in the control panel support. Regardless of whether the air duct supplies fresh air to one or more fresh air openings in the control panel and / or the control panel support, it is integrated into the control console, i.e. it does not form a separate duct visible from the outside on the control station. The housing part forming the air duct can in particular form a part of the user interface providing at least one fresh air opening, for example a housing part formed between the operating panels. Since the fresh air system is structurally integrated into the housing of the control panel, space can be saved and structural costs can be reduced.

[0031] It is conceivable that a plurality of air ducts lead from the fan in the control panel to respective groups of fresh air openings in order to supply fresh air thereto respectively. The air ducts may lead radially from the fan to the respective fresh air openings. A useful variant provides that one or more air ducts are at least partially configured for supplying frontal and lateral fresh air at the control panel. For example, separate fresh air supplies may be provided along duct sections separated from each other by a common wall.

[0032] A variant proposes that the fresh air system is configured to control the temperature of the fresh air delivered in the air duct. For this purpose, at least one cooling and / or heating unit can be installed in the control panel, in particular at least partially installed in the air duct, so as to cool or heat the fresh air discharged by the fan.

[0033] It is even conceivable that, in addition to or instead of temperature control by means of a cooling and / or heating unit, the fresh air can be heated by waste heat from the engine of the road making machine. A variant provides in particular that, depending on the desired temperature of the fresh air available to the driver or operator, the volume of the air flow heated by the engine and provided to the fresh air system on its intake side can be adjusted.

[0034] According to one embodiment, the fresh air heated to the desired temperature inside the control panel is guided to the interior of the housing of the control panel so that at least one housing area of ​​the control panel integrated in the user interface can be heated in a targeted manner. For example, this can be a shelf formed in the user interface between the operating panels, in particular a recess that can serve as a shelf, in which the driver or operator can place their hands.

[0035] According to a variant, the housing part defining the air duct is configured as a heat exchanger in order to bring the fresh air guided through the housing part inside the air duct to a desired temperature level.The heat exchanger may be made of an electrically conductive material.

[0036] Preferably, the air duct is formed by a pivotably mounted part of the housing. The pivotably mounted housing part can be equipped with a plurality of fresh air openings and can be pivoted about a substantially horizontal axis in the direction of the operator or driver in order to direct the fresh air openings towards the operator or driver and bring the fresh air openings closer to him.

[0037] It is conceivable that the pivotably mounted part of the housing forms an upper housing part on the control panel, in which a plurality of fresh air openings are formed which are arranged in a row adjacent to one another at right angles to the direction of travel. In the state pivoted towards the operator, the pivotable housing part can also serve as a sun visor for the user interface of the control panel, making it easier to read the settings displayed on the user interface.

[0038] One embodiment proposes that at least one filter unit for the fresh air system is arranged on the side of the control panel facing away from the user interface. This can be positioned or integrated in the housing of the control panel or in the control panel support. The filter unit can accommodate at least one replaceably configured filter element, which is placed upstream of the air intake side of the fan so that the filtered fresh air is blown out on its exhaust side. It is conceivable that at least two filter elements are provided in series in the filter unit, such as a coarse particle filter and a fine particle filter arranged downstream, so as to clean the inhaled air in several stages. The coarse particle filter can be configured as a coarse filter pad.

[0039] Furthermore, a variant using two activated carbon filters and a third filter element (e.g. a foam filter or a wool filter) as a prefilter is also conceivable. These three filter elements can be firmly connected to one another, thus simplifying and error-free assembly, so that they can be installed and removed together.

[0040] In order to achieve a compact structure, a plurality of filter elements can be arranged adjacent to each other on the rear side of the control panel. In particular, the filter elements can be arranged in or on the control panel to achieve a uniform weight distribution.

[0041] The filter unit can be connected to the air intake side of the fan via an air duct which tapers towards the fan. This enables the air to be filtered in a better manner, since the sucked air passes through the filter more slowly. It is conceivable that the fresh air guided through the air duct can be conditioned, in particular at the inlet of the air duct, i.e. in the region where the cross section of the air duct widens. In this region, the filtered fresh air flows relatively slowly and can therefore be heated better in this region.

[0042] The fresh air opening or all fresh air openings formed in the user interface and / or the control panel support may have one or more thin plates, in particular circular air openings, each having at least one adjustable thin plate. This allows setting the opening width of the fresh air opening or circular air opening and the direction of the fresh air discharged from the circular air opening. It is conceivable that, in the case where a plurality of fresh air openings are distributed on the user interface, the operator or driver closes some of the openings by means of an adjustable thin plate in order to obtain fresh air exclusively from other open fresh air openings. This will allow the fresh air supply to be directed to specific areas of the user interface. The fresh air openings may also be arranged in different shapes, such as rectangular openings.

[0043] A particularly preferred variant provides that the control console together with the fresh air system integrated therein is mounted on the control station, so that the control station can be moved, adjusted in height, pivoted and / or rotated. The fresh air system integrated in the control console thus follows all displacements of the control console and can therefore always provide a fresh air supply directly at the control console, i.e. wherever the control console is located. In particular on small machine types, it is conceivable that the control console is mounted in a non-adjustable manner.

[0044] In particular, the control station is a driver control station or an external control station on a road construction machine, i.e. a driver control station or an external control station on a paving machine or a driver control station on a feeder vehicle. A screed control station for a screed operator, with a control console mounted on a side shift device of a paving screed, is particularly suitable as an external control console outside a paving machine, on one or both sides of a paving screed.

[0045] It is conceivable that the control station configured as a driver control station has a driver operating platform on which the console is mounted so that the console can be moved, height-adjusted, pivoted and / or rotated. The console located on the external control station can be height-adjustable, rotatable about a vertical axis and / or tiltable about a horizontal axis.

[0046] It is even conceivable that the control console can be moved outside the driver's operating platform so as to position the control console at the driver's seat control console which is also moved outside the driver's operating platform. In this position, the control panel is no longer located behind the windshield formed on the driver's control station, so that it is positioned in an exposed area laterally of the driver's control station, in which area increased steam can be generated from the material hopper of the road making machine. In this area, the fresh air supply integrated in the control console is particularly useful for the driver in order to provide him with a sufficiently good air quality.

[0047] At an external control station for a paving screed, a control console, in particular a control panel attached thereto, can be used to control and monitor processes performed by the paving screed. A fresh air supply integrated in the control console, in particular integrated in the control panel and / or in the control panel support, can improve the air quality for a screed operator located next to the paving screed. In addition to the frontal fresh air supply from the user interface of the control panel, a lateral fresh air flow from the control panel can protect the screed operator from vapors and / or aerosols from the auger chamber. In this way, a fresh air barrier and a fresh air supply can be created for the screed operator at the control panel of the external control station.

[0048] According to one embodiment of the utility model, the control console can be removed from the control station, in particular the control panel can be removed from the control panel support without tools. Therefore, the control panel can be easily removed and can be taken away from the construction site by the driver or operator overnight, for example, or stored in a safe place at the construction site, for example in a locked container.

[0049] It is conceivable that when the integrated fresh air system is disassembled, the control panel can be connected to a charging station and / or a cleaning station for the filter unit of the integrated fresh air system. With the help of the charging station, the rechargeable battery used in the control panel for the fan of the fresh air system can be charged. With the help of the cleaning station, the filter unit of the fresh air system mounted on the control panel can be cleaned.

[0050] In practice, it is particularly helpful if the fresh air system provides a location-dependent, material-dependent, driver or operator presence-dependent and / or process-dependent, automatically adaptable fresh air supply. In this respect, the dynamic adaptation of the fresh air system can be performed based on measured values ​​detected by means of at least one detection unit also integrated in the control console, in particular in the control panel and / or in the control panel support, for example by means of a distance measuring unit and / or a GPS-based data sensor system.

[0051] It is conceivable that the fresh air supply varies depending on the detected position of the control console on or relative to the control station. For example, if the control console, in particular the control panel, is pivotally positioned outside the driver operating platform of the driver control station, the fresh air supply can be increased or even maximized. A variant proposes that the fresh air supply is automatically increased when the screed operator removes the control panel attached to the external control station from the control panel support, in particular from a holder provided for this purpose, and thus moves closer to the cross-distribution duct located in front of the paving screed, from which duct most of the steam generated during the paving process comes.

[0052] Preferably, the fresh air supply can be automatically adjusted depending on the specific installation material, which often forms different vapors and / or aerosols depending on its composition and / or temperature. These material properties can be measured in the area of ​​the material hopper. It is conceivable that the specific material properties of the paving material can be detected by scanning the truck delivery note, in particular using a scanning system integrated in the control panel, and / or using a network-based data transmission system, which is established between the road construction machine and the material supply chain supplying it.

[0053] The fresh air supply can be adapted to the operating mode set on the road building machine, for example automatically set to basic operation when the road building machine is in paving or feeding mode. If the road building machine is only moving at the construction site, i.e. if no paving or feeding process is taking place, a reduced fresh air supply can be automatically set.

[0054] With a fresh air supply that depends on the presence of a driver or operator, the fresh air system can be switched off automatically when no operator or driver is at the control console. For example, the fresh air supply is deactivated when the screed operator leaves the external control station for the paving screed. Distance measurement for this purpose can be performed using sensors integrated into the control panel. Another possibility is to switch off the fresh air system if the control panel has not been used for a certain period of time or no commands have been entered on it.

[0055] Due to the fact that in the invention, by means of the console used on an open console, fresh air is directly generated and in particular discharged via the control panel of the console and / or via the control panel support of the console, the atmospheric conditions at the control station can be improved for the driver or operator located there. In particular, this can improve the air quality.

[0056] Most importantly, there are devices for generating and distributing fresh air, all of which are integrated into the control console. Even for the operation of the fresh air system, it is best to use an operating unit specially integrated in the control console.

[0057] Since the control console on the open control station is used for both generating and supplying fresh air, it can be manufactured as a standard multifunctional module and used for various types of road construction machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] The present invention is explained in more detail below with reference to the accompanying drawings.

[0059] Figure 1 A road-building machine in the form of a road paver is shown,

[0060] Figure 2 A road-building machine in the form of a feeder vehicle for a road paver is shown,

[0061] Figure 3A shows the control panel of the control station,

[0062] Figure 3B Shows Figure 3A A cross-sectional view of the control panel shown,

[0063] Figure 4A Another control panel of the control station is shown.

[0064] Figure 4BShows Figure 4A A cross-sectional view of the control panel shown,

[0065] Figure 5A Another control panel of the control station is shown.

[0066] Figure 5B Shows Figure 5A A cross-sectional view of the control panel shown,

[0067] Figure 6 The console is shown in separate views together with the control panel and the control panel support,

[0068] Fig. 7A Another console is shown with a control panel for an external control station,

[0069] Figure 7B Shows Fig. 7A the control panel shown in the figure, the control panel being removed from its holder, and

[0070] Figure 8 A schematic top view of a road paver is shown.

[0071] In all figures, identical technical components are identified with identical reference numerals. DETAILED DESCRIPTION

[0072] Figure 1 A road construction machine 1 is shown which is configured as a road paver 2 for producing a new paving layer 3. The paver 2 produces a new paving layer 3 in a driving direction R. For this purpose, the paver 2 uses paving material 4 which is stored in a material hopper 5 formed on the paver 2. The paving material 4 stored in the material hopper 5 is transported by means of a longitudinal conveyor (not shown) counter to the driving direction R to a paving screed 6 which is configured to compact the paving material 4 supplied thereto to form a new paving layer 3.

[0073] Figure 1 The paving screed 6 shown is configured as an extension screed. The paving screed 6 has a base screed 7 and transverse extension components 8, which are used to set the desired paving width of the new paving layer 3.

[0074] Figure 1 The road paver 2 comprises a control station 9 for a driver F. The control station 9 is therefore configured as a driver control station 10 . Figure 1 The driver control station 10 is shown to be open to the sides S and to the rear, ie the atmospheric conditions (in particular the air quality) prevailing in the area around the driver control station 10 without any countermeasures being taken.

[0075] exist Figure 1 In the embodiment of the present invention, the driver F sits on a pivotably configured seat console 11, by means of which he or she is pivoted out above the driver operating platform 12 and positioned to the side of the driver control station 10, so that he or she can clearly see the area near the road paver 2. However, in this position of pivoting out the driver operating platform 12, the driver F no longer sits behind the windshield 14 arranged on the roof structure 13, making him or her more easily exposed to vapors and / or aerosols from the material hopper 5 and from the area of ​​the paving screed 6.

[0076] At the driver control station 10 of the road paver 2, a control console K with a control panel 15 is provided for the driver F. The control console K is attached to the structure of the driver control station 10, in particular mounted on the control console so that it can be moved laterally. The control panel 15 is configured for controlling and monitoring processes that can be performed with the aid of the road paver 2. For example, the driver F can set the speed v of the road paver 2 in the travel direction R on the control panel 15. Furthermore, the driver F can use the control panel 15 in particular to set the material hopper halves 16a, 16b, for example to pivot them inwards, in order to move the installation material 4 stored in the material hopper 5 to the center of the longitudinal conveyor. However, in Figure 1 In the embodiment shown in FIG. 1 , the two material hopper halves 16 a , 16 b are adjusted completely outwards in order to be able to hold a maximum amount of installation material 4 .

[0077] also, Figure 1 A further control station 17 is shown, which creates a workplace for the screed operator B outside the paving screed 6 in order to control and monitor the process of the road paver 2, in particular the paving screed 6. The control station 17 arranged on the side shift device 8a of the extension screed 8 is therefore an external control station 18.

[0078] In order to control and monitor the operation of the paving screed 6 (including its extension screed 8), another control console K' with a control panel 19 is provided for the screed operator B at an external control station 18. Since the screed operator B is located in the immediate vicinity of the paving material 4 processed by the extension screed 8, he or she is exposed to vapors and / or aerosols in this outdoor area.

[0079] although Figure 1 The control stations 9, 17 on the road paver 2 shown in FIG. 1 are open to the surrounding environment and are well ventilated, but the steam and / or aerosols generated during paving can also reach the control stations 9, 17. Figure 1The control station 9, 17 on the road paver 2 shown is standard for all types of road pavers and therefore for all types of these control stations 9, 17 there is the problem of the air quality at the driver F or screed operator B being impaired by vapours and / or aerosols.

[0080] Figure 2 Another road paving machine 20 is shown which is configured in the form of a feeder 21 for a road paving machine 2. This feeder 21 is used in practice to feed material such as Figure 1 The road paver 2 shown is supplied with paving material 4. For this purpose, a feeder vehicle 21 travels in the driving direction R in front of the road paver 2 and, by means of a conveyor 22 formed on the feeder vehicle 21, drops the paving material 4 into the material hopper 5 of the road paver 2 following behind it.

[0081] Figure 2 The feed vehicle 21 has a material hopper 23 for receiving paving material 4. The material hopper 23 can have material hopper halves 24a, 24b that can be adjusted transversely to the travel direction R. The conveyor 22 extends to the material hopper 23 and can thus transport the paving material 4 stored therein out of the material hopper 23, in the direction opposite to the travel direction R in the direction of the rear paver 2 and transfer it to the paver 2.

[0082] according to Figure 2 The feed vehicle 21 has a control station 24, which is arranged as a driver control station 25. This driver control station 25 is also open to the sides and rear, so that steam and / or aerosol can reach the driver F via the open sides of the driver control station 25 and from the conveyor 22 installed at the rear. A control console K" with a control panel 26 is installed on the driver control station 25 of the driver F, and the control panel 26 is used to control and monitor the process performed by the feed vehicle 21. Figure 2 In the embodiment shown, the control panel 26 is positioned behind the windshield 27 of the feed vehicle 21 , however, it can also be brought close to the driver control station 25 , ie pivoted out of its driver operating platform 28 .

[0083] exist Figure 1 and Figure 2 In the figure, it is shown that the individual control consoles K, K" on the individual driver control stations 10, 25 can be adjusted in any direction by means of schematically shown adjustment axes 29, 30. In particular, the respective control consoles K, K" together with the control panels 15, 26 mounted thereon can also be twisted or rotated and pivoted about the respective adjustment axes so that the control panels 15, 26 can be brought into the desired position.

[0084] Figure 3A A first variant of the control panel 15 of the road paver 2 is shown. The control panel 26 of the feed vehicle 21 may also be configured similarly. Figure 3A The control panel 15 has a user interface 31 with a plurality of operating units 32, by means of which the operation of the road paver 2 can be controlled. Figure 3A , a touch display 33 is provided on the control panel 15 as the operating unit 32. It is conceivable that the touch display 33 is a part of a tablet computer detachably mounted on the control panel 15.

[0085] Figure 3A The control panel 15 has a total of four operating panels 34a, 34b, 34c, and 34d. Alternatively, the control panel 15 may also have only three of the four operating panels, such as the operating panels 34a, 34b, and 34d, that is, the operating panel 34c without the touch display 33. In addition, the control panel 15 includes a fresh air system 35 integrated therein, which has a plurality of fresh air openings 36 formed in the user interface 31. Figure 3A In the embodiment, each fresh air opening 36 is formed as a circular air opening 37 and has at least one adjustable thin plate 38. The thin plate 38 can be used to set the desired flow direction of the fresh air supply. In addition, the thin plate 38 can be used to close the circular air opening 37.

[0086] Figure 3A A group 39 of three fresh air openings 36 is shown, which are arranged adjacent to one another in a row R1 between the operating panels 34a, 34b. According to this arrangement, another group 40 of fresh air openings 36 is formed between the operating panels 34c, 34d in the user interface 31. This provides a fresh air supply over essentially the entire width of the control panel 15. Thus, the driver F, who is positioned behind the control panel 15 in the driving direction R, directly benefits from the improved air quality enriched with fresh air at his workplace.

[0087] In particular, the fresh air supply takes place independently of the position or set position of the control panel 15 , 26 on the respective driver control station 10 , 25 , so that the fresh air supply is automatically present at the position of the control panel 15 , 26 .

[0088] Figure 3A The control panel 15 has a housing 41, and an air duct 42 of the fresh air system 35 is integrated in the housing 41. The air duct 42 guides fresh air to the fresh air opening 36 so that the fresh air can flow out therefrom.

[0089] according to Figure 3A, the fresh air openings 36 are evenly distributed on the user interface 31. This allows the driver F to set the fresh air supply to the two operating panels 34a, 34b by closing the group 40 of fresh air openings 36, or to set the fresh air supply to the two operating panels 34c, 34d by closing the group 39 of fresh air openings 36. Figure 3A The illustrated configuration allows the provision of a fresh air supply at both operating panels 34 a , 34 b or at both operating panels 34 c , 34 d .

[0090] Figure 3A Also shown is a shelf A formed between the operating panels 34 a , 34 d in the housing 41 .

[0091] Figure 3B Shown through Figure 3A The control panel 15 is shown in section AA. Figure 3B , the fresh air system 35 integrated in the control panel 15 has a fan 43, which is configured as a radial fan 44. The fresh air system 35 also includes a filter unit 45 in which filter elements 46a, 46b are installed. The filter element 46a can be configured as a coarse particle filter. The filter element 46b located downstream can be a fine particle filter. Air is sucked in from the environment U of the control panel 15 through the filter unit 45 by means of the fan 43. With the help of the filter unit 45, the purified air, that is, the filtered fresh air L, can be axially sucked in by the radial fan 44 and radially blown into the air duct 42 so as to be discharged at the fresh air opening 36. The air duct 47 formed between the filter unit 45 and the fan 43 has a tapered cross-section toward the fan 43.

[0092] also, Figure 3B It is shown that the control panel 15 is divided into a lower portion 48a formed horizontally and an upper portion 48b inclined relative to the horizontal portion 48a and having the fresh air opening 36. As a result, the fresh air opening 36 is aligned so that the fresh air L flowing out of the fresh air opening 36 can be guided head-on toward the driver F, so that the fresh air L flows directly from the fresh air opening 36 to the driver F. This direct flow is indicated by reference numeral 49.

[0093] also, Figure 3B A cooling / heating unit 60 is shown schematically in order to bring the fresh air L transported in the air duct 42 to a desired temperature level.

[0094] Figure 4AA variant of the control panel 15 is shown, in which the fresh air opening 36 is positioned between adjacent operating panels 34a, 34d or 34b, 34c via the user interface 31. In this way, an overall more compact arrangement of the control panel 15 with the operating panels 34a, 34b or 34c, 34d is achieved. Since the operating panels 34b, 34c each have a display D1, D2, the respective half of the control panel 15 essentially takes the form of a notebook or laptop, so that the driver F can operate it easily.

[0095] according to Figure 4A The fresh air system 35 has an air duct 42 integrated in a housing 41 of the control panel 15, and the housing 41 of the control panel 15 is formed between the operating panels 34a, 34b and the operating panels 34c, 34d. The fresh air openings 36 contained therein are arranged one after another in a row R2 along the length of the control panel 15.

[0096] Figure 4B Shows Figure 4A 0 is a cross-sectional view of the control panel 15 along the section line BB shown in FIG.

[0097] according to Figure 4B The fresh air opening 36 formed in the lower part 48a of the control panel 15 allows the driver F to be supplied with fresh air L in his / her vicinity. Overall, this results in fresh air being output from the user interface 31 particularly close to the driver F, so that the air quality in his working area can be particularly well improved.

[0098] Figure 5A A control panel 15 according to another modification is shown. In this control panel 15, the fresh air opening 36 is positioned above the operating panels 34a to 34d. Figure 5A The control panel 15 in the embodiment thus forms a fresh air system 35 in its upper part 48b. The housing 41 of the control panel 15 has a pivotable part 50, which forms an air duct 42 above the operating panels 34b, 34c. Alternatively, the component 50 of the housing 41 may be non-movable, i.e. non-pivotable.

[0099] Figure 5A The component 50 of the housing 41 shown is pivotally mounted about an axis 51 extending between the operating panels 34b, 34c. This allows the component 50 to be erected toward the driver F together with the fresh air opening 36 integrated therein so that the fresh air L flowing out of the fresh air opening 36 flows forward in the direction of the driver F.

[0100] Figure 5B Shows Figure 5ACC portion of the control panel 15. In this sectional view, the part 50 of the housing 41 is schematically shown as folded up to provide the driver F with a better frontal supply of fresh air L from the fresh air opening 36. In this variant, the fresh air system 35 forms a pivoting module M integrated into the control panel 15. The pivoting module M allows the fresh air L to flow out in a targeted manner in the direction of the driver F, and on the other hand, the fresh air supply can be moved closer to the driver F as a whole. In addition, the pivoting module M can form a sun visor for the control panel 15, making the settings displayed on the control panel 15 easier to read.

[0101] Figure 6 The console K is shown in a separate view. The console K" may have a similar structure. The console K has a control panel support 60 for the control panel 15. A plurality of fresh air openings 61 are formed in the control panel support 60 to supply fresh air to an operator or driver from below.

[0102] also, Figure 6 It is shown that fresh air openings 61 are provided on the control panel support 60 both on its front 62 facing the operator and on its sides 63. The side fresh air openings 61 can also be directed towards the operator or driver by means of a thin plate 64.

[0103] replace Figure 6 The control panel 15 shown in FIG. 3 to FIG. 5 which does not provide any fresh air openings, and the control panel 15 with fresh air openings 36 shown in FIG. 3 to FIG. 5 may be used on the control panel support 60 to form a console K, wherein the fresh air openings 36, 61 are formed in the control panel support 60 and the control panel 15. Alternatively, Figure 6 The control panel support 60 shown may be configured without the fresh air openings 61, wherein a control panel 15 provided with the fresh air openings 36 shown in FIGS. 3 to 5 may be used. Figure 6 While the control panel 15 is shown with four operating panels, it is also possible to attach a control panel with fewer operating panels to the control panel support 60 .

[0104] Figure 6 The control panel support 60 shown is coupled to a console guide or slide (not shown) mounted laterally on the control station 9, so that the console K is mounted on the control station 9 together with the control panel support 60 and the control panel 15, so that the control station 9 can be moved laterally. In addition, the console K can be pivotally and / or rotatably mounted.

[0105] Fig. 7A The console K' is shown in a separate view together with the control panel 19, which is positioned at Figure 1At an external control station 18 of the paving screed 6 on the paving machine 2. Fig. 7A The control panel 19 is located outdoors as shown in the figure and has two operating panels 52a, 52b. In the two operating panels 52a, 52b, there are respective operating units 53 for controlling and monitoring the operation of the paving screed 6. In the upper operating panel 52a, two fresh air openings 54 are schematically shown in the upper corners to supply fresh air L to the screed operator B. These fresh air openings 54 are also part of the fresh air system 35 integrated in the control panel 15.

[0106] As Fig. 7A As an alternative to the illustration in FIG. 5 , the fresh air opening 54 can also be positioned between the operating panels 52 a , 52 b .

[0107] also, Fig. 7A The control panel 15 is shown to have a handle 55, by means of which the control panel 15 can be released from the control panel support 60', that is, removed from the bracket 56 of the control panel support 60'. Figure 7B Thus, the screed operator B can remove the control panel 26 from the bracket 56 without tools and take it with him, for example to move it to another location on the paving screed 6 .

[0108] Figure 8 The road paving machine 2 is shown in a schematic top view. Figure 8 It is shown that when the driver F is positioned on the seat console 11 next to the driver control station 10, the control panel 15 of the driver control station 10 can be pivoted to the left and right out of the driver operating platform 12. In these areas close to the driver operating platform 12, the driver F is increasingly exposed to the vapor D and / or aerosol from the hopper 5. The control panel 15 according to the utility model, in particular the fresh air system 35 integrated therein, can be configured to automatically set the generation and supply of increased fresh air in these areas.

[0109] also, Figure 8 It is shown that the screed operator B can take the control panel 26 detached from the external control station 18 to different areas. For example, the screed operator B can stand in the center of the walkway 57 of the paving screed 6 with the control panel 26. The screed operator B can also move the control panel 26 in hand to the auger room 58, in which the cross-distribution auger 59 spreads the paving material 4 in front of the paving screed 6. In these areas where the screed operator B can be located with the detached control panel 26, vapors D and / or aerosols may also develop to an extreme extent. Therefore, by detecting that the control panel 26 is located in these areas, the generation and supply of fresh air can be automatically increased with the help of the control panel 26.

[0110] Combination Figure 8 The described increased generation and supply of fresh air is based on a position detection system P, P', for example, integrated in the control panel 15, 26, with the help of which the position of the control panel 15, 26 in the area of ​​the road paver 2 can be detected and the generation and supply of fresh air can be automatically increased or reduced in this respect.

Claims

1. A road construction machine (1, 20), which can be provided in the form of a road paver (2) or a feed vehicle (21) for a road paver (2), the road construction machine (1, 20) comprising: At least one control station (9, 17, 24) having at least one open side (S), wherein the control station (9, 17, 24) comprises at least one control console (K, K', K") for controlling and monitoring processes that can be performed with the road making machine (1, 20); and a fresh air system (35) having at least one fresh air opening (36, 54, 61), characterized in that the fresh air system (35) is completely integrated in the control console (K, K', K") 2. The road construction machine according to claim 1, characterized in that: The console (K, K', K") comprises a control panel (15, 19, 26) and a control panel support (60, 60') for the control panel (15, 19, 26), wherein the control panel (15, 19, 26) comprises a user interface (31), wherein the fresh air system (35) is at least partially integrated in the control panel (15, 19, 26) and / or at least partially integrated in the control panel support (60, 60').

3. The road construction machine according to claim 2, characterized in that: The fresh air system (35) can be controlled by means of at least one operating unit (32) integrated in the control panel (15, 19, 26) and / or the control panel support (60, 60').

4. The road construction machine according to claim 2, characterized in that: The control panel (15, 19, 26) has at least one touch display (33), and the touch display (33) is configured to control the fresh air system (35).

5. The road construction machine according to claim 3, characterized in that: The control panel (15, 19, 26) has at least one touch display (33), and the touch display (33) is configured to control the fresh air system (35).

6. The road construction machine according to any one of claims 2 to 5, characterized in that At least one fresh air opening (36, 54, 61) is formed in the user interface (31) and / or in the surface formed by the control panel support (60, 60').

7. The road construction machine according to any one of claims 2 to 5, characterized in that The control panel (15, 19, 26) has a housing (41), and the fresh air system (35) has at least one fan (43) installed in the housing (41).

8. The road construction machine according to claim 7, characterized in that: The housing (41) at least partially forms an air duct (42) which connects the fan (43) to the fresh air opening.

9. The road construction machine according to claim 8, characterized in that The fresh air system (35) is configured to adjust the temperature of the fresh air (L) transported in the air duct (42).

10. The road construction machine according to claim 8, characterized in that The air duct (42) is formed by a pivotably mounted part (50) of the housing (41).

11. The road construction machine according to claim 9, characterized in that: The air duct (42) is formed by a pivotably mounted part (50) of the housing (41).

12. The road construction machine according to any one of claims 2 to 5 and 8 to 11, characterized in that At least one filter unit (45) for the fresh air system (35) is arranged on a side of the control panel (15, 19, 26) facing away from the user interface (31).

13. The road construction machine according to any one of claims 2 to 5 and 8 to 11, characterized in that The fresh air opening (36, 54, 61) is formed with at least one adjustable lamella (38).

14. A road construction machine according to any one of claims 2 to 5 and 8 to 11, characterized in that The control console (K, K', K") together with the fresh air system (35) integrated therein is mounted on the control station (9, 17) so as to be movable, height-adjustable, pivotable and / or rotatable.

15. The road construction machine according to any one of claims 2 to 5 and 8 to 11, characterized in that The control station (9, 17) is a driver control station (10) or an external control station (18).

16. A road construction machine according to any one of claims 2 to 5 and 8 to 11, characterized in that The control console (K, K', K") can be removed from the control station (9, 17) without the need for tools.

17. The road construction machine according to claim 16, characterized in that The control panel (15, 19, 26) can be removed from the control panel support (60, 60') without the need for tools.

18. A road construction machine according to any one of claims 2 to 5 and 8 to 11, characterized in that The fresh air system (35) provides an automatically adjustable fresh air supply that is location-dependent, material-dependent, operator presence-dependent and / or process-dependent.

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