Roadway planing apparatus

Details Roadway planing apparatus Roadway planing apparatus

1979-05-07

1982-04-20

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

37108R, 404 90, E01C 2309

Patent

active

043255809

ABSTRACT:
A planer apparatus for cutting a selected upper portion of a roadway surface to coincide with a preselected reference plane, comprising a main frame drivingly supported by a drive assembly, the main frame carrying a planing assembly comprising a rotating cutter drum assembly and a cutter drive assembly. The cutter drive assembly comprises a pair of cutter power assemblies which are disposed on one side of the main frame and which are connected to a rotating hub member. The rotating hub member is carried by load-bearing hub support surfaces, with the rotating hub member rotatably driving the cutter drum assembly.
The planer apparatus further comprises an upper material lifting conveyor for elevating and moving roadway material disengaged from the roadway by the planing assembly. The upper material lifting conveyor features an upper conveyor cover connecting the side members of the upper conveyor frame, with the conveyor motor assembly mounted on the upper conveyor frame between the side members. A spray bar assembly cleans the non-transport surface of the conveyor belt of the upper material lifting conveyor.
The planer apparatus may be powered either by a main or auxiliary drive unit, with the exhaust discharge system of the main drive unit disposed in heat-transferring relationship to a water spray system providing dust control for the apparatus.

REFERENCES:
patent: 3055647 (1962-09-01), Morrison et al.
patent: 3423859 (1969-01-01), Swisher et al.
patent: 3802525 (1974-04-01), Snow et al.
patent: 3895843 (1975-07-01), Wall et al.
patent: 3923341 (1975-12-01), Miller
patent: 3946506 (1976-03-01), Snow et al.
patent: 4041623 (1977-08-01), Miller et al.
patent: 4171147 (1979-10-01), Swisher et al.
PR-225 Pavement Profiler Parts Book, Issue No. 3, CMI Corporation, Aug. 1, 1978.
PR-225 Pavement Profiler Maintenance Manual, Issue No. 2, CMI Corporation, Jun. 1978.

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