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Title:
HIGHWAY TUNNEL REFLECTIVE-RING SELF-CLEANING DEVICE AND CLEANING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/129469
Kind Code:
A1
Abstract:
Provided are a highway tunnel reflective-ring self-cleaning device and cleaning method thereof, comprising an end frame suction-cup arm (1); the end frame suction-cup arm (1) is internally provided with a middle frame suction-cup arm (2); the end frame suction-cup arm (1) and the middle frame suction-cup arm (2) are respectively provided with an upper suction cup (3) used for adhering upward to the top wall of the tunnel, and respectively provided with a lower suction cup (4) used for adhering forward or backward to the side wall of the reflective ring; the end frame suction-cup arm (1) and the middle frame suction-cup arm (2) are driven by an electrically powered mechanism to move relative to the width of the tunnel; the middle frame suction-cup arm (2) is provided with a wiping brush (23) and a cleaning brush (22) arranged in sequence along the direction of motion on the side of the lower suction cup (4); the wiping brush (23) and the cleaning brush (22) are both connected to the middle frame suction-cup arm (2) by way of a connecting rod (24); the middle frame suction-cup arm (2) is provided with a washing-liquid tank (25); the washing-liquid tank (25) is connected to the washing brush (22) by way of a washing-liquid pipe (26) so as to spray liquid; the washing-liquid tank (25) is internally provided with a liquid spray pump. The highway tunnel reflective-ring self-cleaning device has a simple structure, and during use, a travel mechanism can travel on the top wall of the tunnel and the side wall of the reflective ring by itself, wiping and cleaning the reflective ring at the same time that it is traveling.

Inventors:
YANG YANQUN (CN)
CAO JINGQIU (CN)
Application Number:
PCT/CN2020/136638
Publication Date:
July 01, 2021
Filing Date:
December 16, 2020
Export Citation:
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Assignee:
UNIV FUZHOU (CN)
International Classes:
B08B1/00; B08B13/00; E01H1/00
Foreign References:
CN110882957A2020-03-17
CN110080139A2019-08-02
CN108856014A2018-11-23
CN109365339A2019-02-22
EP3418450A12018-12-26
JPH07166519A1995-06-27
Attorney, Agent or Firm:
BEIJING DONGFANG SHENGFAN IP AGENT FIRM GP (CN)
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