A dust-proof catering device for on-site construction of a construction site
A technology for on-site construction and construction sites, applied in applications, household appliances, legs of general furniture, etc., can solve the problems of lack of wind and dust shielding devices, easy inhalation of dust, physical discomfort, etc., to achieve fast and labor-saving use and enhance smoothness. , the effect of smooth flip switching
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0033] see Figure 1 to Figure 11 , an embodiment provided by the present invention: a dust-proof catering device for on-site construction at a construction site, including a platen 1, the platen 1 includes a vertical support positioning shaft 101, a vertical support support 102 and a worm 103, and the platen 1 as a whole It is a rectangular mechanism, and two rectangular cover plates 2 are installed on the left and right end sections to rotate in opposite directions, and two vertical support positioning shafts 101 are welded symmetrically between the table plate 1 and its I-shaped base, and the two vertical support positioning shafts 101, the upper sliding sleeve is...
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