Abstract
The disclosure relates to a road construction machine, which is available in the form of a road paver or a feeder vehicle for a road paver, comprising a driver's control station for a driver of the road construction machine, wherein the driver's control station has at least one seat console that comprises a fresh air system. Furthermore, the disclosure relates to a method for generating an improved air quality on an openly configured driver's control station of a road construction machine.
Claims
1. A road construction machine configured as a road paver or a feeder vehicle for a road paver, comprising a driver's control station, which is open at least to one side, for a driver of the road construction machine, wherein the driver's control station has a seat console that comprises a fresh air system.
2. The road construction machine according to claim 1, wherein the seat console comprises a console floor, and the fresh air system comprises a fan unit fastened to an underside of the console floor.
3. The road construction machine according to claim 2, wherein the fan unit is configured for detachable or fixed attachment of a filter unit.
4. The road construction machine according to claim 2, wherein the fan unit comprises an electrically, hydraulically or pneumatically operated fan.
5. The road construction machine according to claim 4, wherein the fan comprises a radial fan or an axial fan.
6. The road construction machine according to claim 2, wherein the fan unit comprises a plurality of fans which can be controlled in parallel.
7. The road construction machine according to claim 2, wherein the fresh air system comprises a filter unit arranged on an intake side and/or on an exhaust side of the fan unit.
8. The road construction machine according to claim 7, wherein the filter unit is positioned together with the fan unit below the console floor and/or the filter unit and the fan unit form separate modules which can be coupled to one another.
9. The road construction machine according to claim 2, wherein the fresh air system comprises at least one nozzle unit for fresh air, which can be arranged both next to a headrest of the seat console and next to a backrest of the seat console.
10. The road construction machine according to claim 2, wherein the fresh air system comprises at least one nozzle unit for fresh air, which can be arranged in different positions laterally of a seat base of the seat console.
11. The road construction machine according to claim 9, wherein the at least one nozzle unit comprises at least one fresh air opening with an adjustable lamella.
12. The road construction machine according to claim 9, wherein the at least one nozzle unit has both at least one fresh air opening for fresh air and at least one nozzle for forming an air barrier.
13. The road construction machine according to claim 9, wherein the fresh air system comprises at least one air duct that leads away from the fan unit in order to supply the at least one nozzle unit with fresh air.
14. The road construction machine according to claim 9, wherein the at least one nozzle unit is arranged adjustably.
15. The road construction machine according to claim 1, further comprising a further fresh air system arranged on a control panel of the driver's control station, and wherein the fresh air system of the seat console is usable with the further fresh air system.
16. The road construction machine according to claim 15, wherein the two fresh air systems are configured to generate oppositely directed fresh air flows which converge and are surroundable at least in some areas by an air barrier.
17. The road construction machine according to claim 2, wherein a speed of the fan unit is adjustable in order to vary a fresh air flow rate flowing out of the fresh air system.
18. The road construction machine according to claim 2, further comprising at least one control element provided for adjusting speed of the fan unit, wherein the at least one control element is provided on the seat console, on a control panel of the driver's control station and/or on an external control station of the road construction machine formed separately from the driver's control station.
19. The road construction machine according to claim 1, wherein the fresh air system is available as a hang-on system for the seat console or is integrated in the seat console.
20. A method for generating a fresh air flow for a driver's control station, which is open to a side, of a road construction machine configured as a road paver or a feeder vehicle for a road paver, the method comprising generating the fresh air flow by a fresh air system of a seat console of the driver's control station.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0050] The present disclosure is explained in more detail with reference to the following Figures:
[0051] FIG. 1 shows a road construction machine in the form of a road paver;
[0052] FIG. 2 shows a road construction machine in the form of a feeder vehicle for a road paver;
[0053] FIG. 3 shows a front view of a seat console with fresh air system;
[0054] FIG. 4 shows a side view of the seat console with fresh air system from FIG. 3;
[0055] FIG. 5 shows a perspective view of the seat console with fresh air system from FIGS. 3 and 4;
[0056] FIG. 6 shows a front view of the fresh air system in isolated illustration;
[0057] FIG. 7 shows a sectional view of the fresh air system from FIG. 6;
[0058] FIG. 8 shows a perspective view of the fresh air system from FIG. 6;
[0059] FIG. 9 shows a further perspective view of the fresh air system from FIG. 6;
[0060] FIG. 10 shows a seat console with a fresh air system for generating fresh air and an air barrier; and
[0061] FIG. 11 shows separate fresh air systems for generating converging fresh air flows.
[0062] Identical technical components are provided with the same reference signs throughout the Figures.
DETAILED DESCRIPTION
[0063] FIG. 1 shows a road construction machine 1 configured as a road paver 2 for producing a new paving layer 3. The road paver 2 produces the new paving layer 3 in the direction of travel R at a paving velocity v. For this purpose, the road paver 2 uses paving material 4, which is stored in a hopper 5 formed at the front of the paver. From the hopper 5, the paving material 4 stored therein is transported by means of a longitudinal conveyor, not shown, against the direction of travel R to a paving screed 6, which is configured to compact the paving material 4 presented to it to form the new paving layer 3.
[0064] The paving screed 6 shown in FIG. 1 is configured as an extending screed. The paving screed 6 has a base screed 7 and lateral extending parts 8 for setting the desired paving width of the new paving layer 3.
[0065] The road paver 2 of FIG. 1 comprises a driver's control station 9 for a driver F. FIG. 1 shows that the driver's control station 9 is open to the side S and to the rear, that is, the atmospheric conditions, i.e., the air quality, in the vicinity of the driver's control station 9 are essentially present without any countermeasures being taken.
[0066] In FIG. 1, the driver F is seated on a pivotably configured seat console 10, by means of which he is swung out over a driver's operating platform 11 and positioned laterally of the driver's control station 9, so that he has a good view of the area next to the road paver 2. However, in this position swung out over the driver's operating platform 11, the driver F no longer sits behind a windshield 13 provided on the roof structure 12, so that he is more exposed to vapors and/or aerosols coming from the hopper 5 as well as vapors and/or aerosols from the area of the paving screed 6.
[0067] On the driver's control station 9 of the road paver 2, a control panel 14 is provided for the driver F. The control panel 14 is configured for controlling and monitoring processes that can be carried out by the road paver 2. For example, the driver F can set the velocity v of the road paver 2 in the direction of travel R on the control panel 14.
[0068] Furthermore, FIG. 1 shows an external control station 15, which provides a workplace for a screed operator B on the outside of the paving screed 6 in order to control and monitor processes of the road paver 2, in particular the paving screed 6. For this purpose, a further control panel 16 is provided at the external control station 15.
[0069] The driver's and external control stations 9, 15 on the road paver 2 in FIG. 1, which are open to the surroundings, are generally well ventilated due to their open configuration, but are also reached by the vapors and/or aerosols generated during paving.
[0070] FIG. 2 shows another road construction machine 17 configured in the form of a feeder vehicle 18 for a road paver 2. Such a feeder vehicle 18 is used in practice to supply a road paver 2 as shown in FIG. 1 with paving material 4. For this purpose, the feeder vehicle 18 travels in front of the road paver 2 in the direction of travel R and throws paving material 4 into the hopper 5 of the road paver 2 traveling behind it by means of a conveyor device 19 formed on the feeder vehicle 18.
[0071] The feeder vehicle 18 in FIG. 2 has a hopper 20 for accommodating paving material 4. The conveyor 19 extends as far as the hopper 20 and can thus transport the paving material 4 stored therein out of the same, against the direction of travel R in the direction of the following road paver 2 and transfer it to the latter.
[0072] According to FIG. 2, the feeder vehicle 18 has a driver's control station 21. This driver's control station 21 is also open to the sides and to the rear, so that vapors and/or aerosols can reach the driver F via the open sides of the driver's control station 21 and from behind. A seat console 10 for the driver F and a control panel 22 for controlling and monitoring the processes carried out by the feeder vehicle 18 are mounted on the driver's control station 21. In FIG. 2, the control panel 22 is positioned behind a windshield 23 of the feeder vehicle 18, however, together with the seat console 10, it can be brought into a position next to the driver's control station 21, that is, it can be pivoted beyond its driver's operating platform.
[0073] FIG. 3 shows an isolated view of the seat console 10, 10. The seat console 10, 10 has a console floor 25, which is pivotably mounted on the driver's control station 9, 21. The console floor 25 is mounted on a pivot arm 26, the front end of which is coupled to a pivot bearing 27. An anti-fall guard 28 is mounted on the pivot arm 26.
[0074] The seat console 10, 10 in FIG. 3 further comprises a (driver's) seat 29 mounted on the console floor 25. The seat 29 has a headrest 30, a backrest 31 and a seat base 32. The seat base 32 in FIG. 3 is attached to the console floor 25 by means of a rail device 33 and can thus be moved into various positions on the console floor 25.
[0075] A fresh air system 34 is provided on the seat console 10, 10 shown in FIG. 3. The fresh air system 34 shown in FIG. 3 is configured as a hang-on system 35 for detachable attachment to the seat 29. The fresh air system 34 has a holder 36 with fastening units 37 for detachable attachment to headrest bars 38 and with fastening units 39 for detachable attachment to seat back holders 40. Two nozzle units 41 are fastened to the holder 36. The two nozzle units 41 are positioned on both sides of the headrest 30. The nozzle units 41 each have three fresh air openings 42 with adjustable lamellae 43.
[0076] Furthermore, FIG. 3 shows that the fresh air system 34 also has further nozzle units 44 on both sides of the seat base 32. These further nozzle units 44 are each supported on the console floor 25 by means of further holders 45.
[0077] FIG. 4 shows a side view of the seat console 10 from FIG. 3. A fan unit 47 is attached to an underside 46 of the console floor 25. The fan unit 47 has a fan 48, which is configured as a radial fan in FIG. 4. A filter unit 49 is arranged below the fan 48. The filter unit 49 is connected to the intake side of the fan 48. Ambient air U can be drawn in through the filter unit 49 by the fan 48, wherein the fresh air filtered thereby is conveyed from the fan 48 via air ducts 50 to the respective nozzle units 41, 44.
[0078] FIG. 4 also shows that the nozzle unit 41 positioned laterally of the headrest 30 is pivotably mounted on the holder 36. This is shown schematically by the double arrow 51. In FIG. 4, the nozzle unit 41 is attached to the holder 36 at an upper position P1 in order to be mounted laterally of the headrest 30. According to FIG. 4, the nozzle unit 41 can also be attached to the holder 36 at a lower position P2 in order to be positioned laterally of the backrest 31.
[0079] Furthermore, FIG. 4 shows that the nozzle unit 44 positioned laterally of the seat base 32 is mounted on the holder 45 in a front position P3. The nozzle unit 44 can also be attached to the holder 45 at a rear position P4. This allows the nozzle unit 44 to be positioned accordingly, depending on the position in which the seat 29 is adjusted by means of the rail arrangement 33.
[0080] The positioning options of the nozzle units 41, 44 shown in FIG. 4 described with regard to positions P1, P2, P3, P4 are also provided in a comparable manner on the other side of the seat console 10, 10.
[0081] A quick release 52 is provided for the filter unit 49 for detachable attachment to the fan unit 47. It would also be possible for the filter unit 49 to be plugged onto an intake opening of the fan unit 47 simply by positive and/or non-positive engagement.
[0082] FIG. 4 shows that both the fan unit 47 and the filter unit 49 attached to it are accommodated within a step 53 created by the console floor 25. The fan unit 47 and the filter unit 49 are thus well protected and are easily accessible, particularly from below, when the seat console 10, 10 is positioned in the swung-out state as shown in FIG. 1.
[0083] FIG. 5 shows a perspective view of the seat console 10. The nozzle units 41, 44 are supplied with filtered fresh air by the fan unit 47 via the air ducts 50. The air ducts 50 are connected to each other via a Y-piece 54.
[0084] FIG. 6 shows the fresh air system 34 in isolated view. The fresh air system 34 shown in FIG. 6 is available as a hang-on system 35 and can be easily retrofitted to existing seat consoles 10, 10.
[0085] FIG. 7 shows a sectional view of the fresh air system 34 from FIG. 6, in particular a vertical section through the fan unit 47. The fan unit 47 has a radial fan 55.
[0086] FIG. 8 shows a perspective view of the fresh air system 34. In particular, FIG. 8 shows the fastening means 37 for attaching the holder 36 to the headrest bars 38 and also the fastening means 39 for detachable attachment to the seat back holders 40.
[0087] FIG. 9 shows a further perspective view of the fresh air system 34 configured as a hang-on system 35. In particular, FIG. 9 shows a mounting plate 55 for detachably attaching the fan unit 47 to the underside 46 of the console floor 25.
[0088] FIG. 10 shows a schematic view of the seat console 10, 10 with a nozzle unit 56, which is configured to generate both a fresh air flow L and an air barrier B. The fresh air flow L is thereby enclosed by the air barrier B, so that the fresh air flow L can be kept in the area of the person sitting on the seat console 10, 10 for a longer period of time. The air barrier B also has the purpose of shielding vapors and/or aerosols rising from the outside so that the operator sits reliably in a fresh air atmosphere on the seat console 10, 10.
[0089] To generate the fresh air flow L, the nozzle unit 56 has two fresh air openings 57 as shown in FIG. 10. Furthermore, the nozzle unit 56 has a curved nozzle 58 to form an air barrier B in the form of a tunnel in which the fresh air flow L is enclosed.
[0090] FIG. 11 shows the seat console 10, 10 with nozzle units 41 arranged thereon, the fresh air flows L of which converge with an oncoming fresh air flow L from the control panel 14, 22. The converging fresh air flows L, L ensure a turbulence V of fresh air in an area directly in front of an operator or driver F positioned on the seat console 10, 10, so that the fresh air atmosphere can be maintained for a longer period in his vicinity.
