Title:
APPARATUS HAVING GEAR MESHING WITH DOUBLE GEAR RACKS FOR CLEANING BILLBOARD ON MUNICIPAL PUBLIC ROADWAYS
Document Type and Number:
WIPO Patent Application WO/2019/169974
Kind Code:
A1
Abstract:
An apparatus having a gear meshing with double gear racks for cleaning a billboard on municipal public roadways. The apparatus comprises a support base (1). A fastening block (4) is connected to a left side of an upper end of the support base (1). A threaded rod (5) is slidably connected to a right end of the fastening block (4). A middle portion of a right end of the threaded rod (5) is connected to a sliding block (6) by means of a threaded hole. A primary elevation rod assembly (11) is respectively connected to upper ends of the fastening block (4) and the sliding block (6). A secondary elevation rod assembly (12) is connected to an upper end of the primary elevation rod assembly (11). A hinge block (13) is connected to an upper end of the secondary elevation rod assembly (12) on the left side. An upper end of the hinge block (13) is connected to an elevation plate (33). A drive shaft (23) is installed at a middle portion of a front end of the elevation plate (33). A top end of the drive shaft (23) is connected to a half gear (26). An outer side of the half gear (26) meshes with a gear rack frame (22). A water delivery rod (20) is linked to a middle portion between two ends of the gear rack frame (22). One end of the water delivery rod (20) is connected to a water delivery plunger (21). A water delivery tank (19) is provided at an outer side of the water delivery plunger (21). The cleaning apparatus enables a water jet to be sprayed on a billboard, and a cleaning brush cleans the billboard by reciprocating horizontally, thereby providing fast cleaning, and meeting the cleaning requirement of billboards on municipal public roadways.
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Inventors:
GAO WEI (CN)
Application Number:
PCT/CN2019/073338
Publication Date:
September 12, 2019
Filing Date:
January 28, 2019
Export Citation:
Assignee:
ZIBO TRICKS EDUCATION TECH CO LTD (CN)
International Classes:
B08B3/02; B08B1/00; B08B13/00
Foreign References:
| CN107626613A | 2018-01-26 | |||
| CN107567855A | 2018-01-12 | |||
| CN108176630A | 2018-06-19 | |||
| CN107252789A | 2017-10-17 | |||
| CN106862126A | 2017-06-20 |
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