Patent classifications
E01C19/4833
Assembly and method for manufacturing a piston rod and a tamper bar
A road finisher includes a screed plate extending at right angles to the working direction of the road finisher, a tamper bar disposed rearwardly and/or forwardly of the screed plate in the working direction, wherein at least one electrically operated heating element is configured to heat up a heating surface facing a road subsurface, the heating element comprising a heating layer at least partially obtained through thermal spraying onto a substrate surface, and a piston rod with connecting means to a tamper bar drive. The tamper bar is connected to the piston rod with an upper surface of the tamper bar contacting a lower surface of the piston rod, wherein the piston rod is single-pieced with regard to its connecting means and its lower surface, and the heating layer is located between the piston rod and the tamper bar, especially applied to the lower surface of the piston rod.
Tamper bar and wear plate for screed assembly of paving machine
A screed assembly for a paving machine, the screed assembly includes a screed frame, a screed plate attached to the screed frame, a wear plate attached to the screed frame, a tamper bar mounted to the screed frame and configured for up and down reciprocating motion relative to the screed frame, and an eccentric drive mechanism mounted on the screed frame and configured for driving the tamper bar up and down in a reciprocating manner relative to the screed frame. A bottom portion of the tamper bar is configured to slide along the wear plate, which is attached to the screed frame in between the screed frame and the reciprocating tamper bar. The tamper bar includes at least two intersecting chamfered surfaces with different angles from each other and relative to the screed plate at a leading edge of the tamper bar facing in a direction of travel of the paving machine as the paving machine is applying paving material to a surface.
ROAD FINISHER, TAMPER BAR FOR A ROAD FINISHER, AND METHOD FOR MANUFACTURING A TAMPER BAR
A road finisher comprising a screed plate extending at right angles to the working direction of the road finisher, and a tamper bar disposed rearwardly and/or forwardly of the screed plate in the working direction, wherein at least one electrically operated heating element is present, which is configured so as to heat up a heating surface facing a road subsurface, and wherein the heating element comprises a heating layer at least partially obtained through thermal spraying onto a substrate surface, wherein the tamper bar is made from two parts with an upper tamper bar member and a lower tamper bar member assembled together. Further, a tamper bar for a road finisher and a method of manufacturing a tamper bar are provided.
Road finisher with heated tamper bar
A road finisher comprising a screed plate extending at right angles to the working direction of the road finisher, and a tamper bar disposed rearwardly and/or forwardly of the screed plate in the working direction, wherein at least one electrically operated heating element is present, which is configured so as to heat up a heating surface facing a road subsurface, and wherein the heating element comprises a heating layer at least partially obtained through thermal spraying onto a substrate surface, wherein the tamper bar is made from two parts with an upper tamper bar member and a lower tamper bar member assembled together. Further, a tamper bar for a road finisher and a method of manufacturing a tamper bar are provided.
ROAD FINISHER, PISTON ROD FOR A ROAD FINISHER, AND METHOD FOR MANUFACTURING AN ASSEMBLY OF A PISTON ROD AND A TAMPER BAR
A road finisher includes a screed plate extending at right angles to the working direction of the road finisher, a tamper bar disposed rearwardly and/or forwardly of the screed plate in the working direction, wherein at least one electrically operated heating element is configured to heat up a heating surface facing a road subsurface, the heating element comprising a heating layer at least partially obtained through thermal spraying onto a substrate surface, and a piston rod with connecting means to a tamper bar drive. The tamper bar is connected to the piston rod with an upper surface of the tamper bar contacting a lower surface of the piston rod, wherein the piston rod is single-pieced with regard to its connecting means and its lower surface, and the heating layer is located between the piston rod and the tamper bar, especially applied to the lower surface of the piston rod.
Two-layer concrete pavement forming device and pavement method using normal concrete and high-performance concrete
A method for reinforcing an assembly-type slope by using high-performance shotcrete and a reinforcing member, the method, after producing, at a batch plant, normal concrete having a compressive strength of 21-30 MPa and transporting the normal concrete to a construction site: forms a normal-strength shotcrete by mixing either fly ash or slag fine powder or low-grade mixed material in which fly ash or slag fine powder is mixed, in an increased fluidity state by mixing 20-40% of bubbles of the total volume; forms a high-performance shotcrete by mixing silica fumes and metakaolin or high-grade mixed material in which either silica fumes or metakaolin are mixed; and forms a color shotcrete by mixing coloring materials of iron oxide or carbon black, so as to sequentially construct an inner layer section, an outer layer section, and a surface layer section on the slope.
Road finisher with heated tamper bar
A road finisher includes a screed plate extending at right angles to the working direction of the road finisher, a tamper bar disposed rearwardly and/or forwardly of the screed plate in the working direction, wherein at least one electrically operated heating element is configured to heat up a heating surface facing a road subsurface, the heating element comprising a heating layer at least partially obtained through thermal spraying onto a substrate surface, and a piston rod with connecting means to a tamper bar drive. The tamper bar is connected to the piston rod with an upper surface of the tamper bar contacting a lower surface of the piston rod, wherein the piston rod is single-pieced with regard to its connecting means and its lower surface, and the heating layer is located between the piston rod and the tamper bar, especially applied to the lower surface of the piston rod.
Screed assembly comprising a work station
A screed arrangement includes a screed assembly (1) for laying a road surface (3), the screed assembly (1) configured to determine a working width (W), viewed in the working direction (R), for laying of the road surface (3). The screed arrangement further includes a working station (9) for an operator (P) mounted on the screed assembly (1). The working station (9) is mounted on the screed assembly (1) in a vibration-decoupled manner, such that the transmission of vibrations from the screed assembly (1) to the working station (9) an be reduced or prevented.
SCREED ASSEMBLY COMPRISING A WORK STATION
The disclosure relates to a screed assembly for laying a road surface, said assembly determining a working width, viewed in the working direction, for laying of the road surface, and a working station for an operator being mounted on the screed assembly. The working station is mounted on the screed assembly in a vibration-decoupled manner, such that the transmission of vibrations from the screed assembly to the working station can be reduced or prevented.
ROAD FINISHER, TAMPER BAR FOR A ROAD FINISHER, AND METHOD FOR MANUFACTURING A TAMPER BAR
A road finisher comprising a screed plate extending at right angles to the working direction of the road finisher, and a tamper bar disposed rearwardly and/or forwardly of the screed plate in the working direction, wherein at least one electrically operated heating element is present, which is configured so as to heat up a heating surface facing a road subsurface, and wherein the heating element comprises a heating layer at least partially obtained through thermal spraying onto a substrate surface, wherein the tamper bar is made from two parts with an upper tamper bar member and a lower tamper bar member assembled together. Further, a tamper bar for a road finisher and a method of manufacturing a tamper bar are provided.