Detachable fixing part of elevator protective door and manufacturing method of detachable fixing part
A manufacturing method and technology for protective doors, which are applied to elevators, transportation and packaging in buildings, etc., can solve the problems of section damage of steel pipe columns and protective door frames, unfavorable use of protective doors turnover, affecting the safety of protective doors, etc. The effect of avoiding welding operation, good utilization and low production cost
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[0030] Examples see Figure 1 to Figure 3 As shown, a detachable fixing part of an elevator protective door includes a fixing part and a rotating part. The height and diameter of the left semicircle clamp 1 and the right semicircle clamp 2 are equal, and one end of the two is connected with the rotating shaft 3, and the other end is respectively bent outward to form a left connecting plate 4 and a right connecting plate 5. There is a U-shaped groove 6 in the middle of the left connecting plate 4 near the top, and a connecting hole 7 corresponding to the U-shaped groove 6 is opened in the center of the right connecting plate 5, and the bayonet connecting bolts 12 are sequentially inserted into the connecting holes from the U-shaped groove 6 7 and fastened with nuts to form a fastening connection to the column 10;
[0031] The rotating part is composed of a sleeve 8 and an insert 9, and the insert 9 is composed of an insertion section 9.1 and a protective door connection sectio...
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