Lamp fixing frame without damaging steel structure
A lamp fixing frame without damaging a steel structure comprises L-shaped first angle steel (1) symmetrically hung on the two sides of a lower wing plate of steel structure I-shaped steel A, second angle steel (2) fixed to the inner side of the top end of the first angle steel, third angle steel (3)...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A lamp fixing frame without damaging a steel structure comprises L-shaped first angle steel (1) symmetrically hung on the two sides of a lower wing plate of steel structure I-shaped steel A, second angle steel (2) fixed to the inner side of the top end of the first angle steel, third angle steel (3) fixed to the inner side of the bottom end of the first angle steel, a split screw (4), a distance adjusting nut (5) and a lamp holder plate (6) arranged on the third angle steel. A first through hole (2a) is formed in the first angle steel, a second through hole (3a) is formed in the third angle steel, a third through hole (6a) is formed in the lamp holder plate, the opposite-pull screw penetrates through the first through hole and is fixed through a distance adjusting nut, and the opposite-pull screw penetrates through the second through hole and is fixed through a distance adjusting nut. One end of a lighting lamp wire is connected with a power supply main pipe (7) on the steel structure I-shaped steel, and the |
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