DEVICE FOR CLEANING TRAMWAY TRACK LINES Russian patent published in 1999 - IPC

FIELD: municipal machinery and equipment. SUBSTANCE: device has truck 1 and cleaning unit which is made up of receiving attachment 6 with diffuser 7 and converging tube 8, hermetic bin with gate and two pipe unions. One of pipe unions is provided with cloth filter. There are suction pipeline 15 and delivery pipeline 11. Receiving attachment has additional diffuser. Diffusers create acute angle with plane of tramway track. Installed on receiving attachment are wheels 9 with flanges. Cleaning unit is connected with truck by means of rod with hinge 23. Suction and delivery pipelines are provided with corrugated inserts 25, 26. Wall of converging tube turned in direction of travel is provided across its entire width with pipe union having flanges. Attached to pipe union is replaceable shroud 18 with brush 19. Suction pipe union has system for cleaning filter from stuck dust-like particles. Application of aforesaid embodiment of device ensures effective cleaning of tramway track lines at reduced air and power inputs. EFFECT: higher efficiency. 5 cl, 6 dwg