Auxiliary platform for tunnel safety construction
The utility model relates to the technical field of tunnel construction equipment, in particular to a tunnel safety construction auxiliary platform which comprises two longitudinal supporting frames which are symmetrically distributed, a supporting plate is hinged to the upper end of each longitudin...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of tunnel construction equipment, in particular to a tunnel safety construction auxiliary platform which comprises two longitudinal supporting frames which are symmetrically distributed, a supporting plate is hinged to the upper end of each longitudinal supporting frame, and a distance adjusting assembly is arranged between the two longitudinal supporting frames. The distance adjusting assembly comprises a stepping motor, a threaded rod and a threaded sleeve, the threaded rod is horizontally and rotatably installed at the bottom position of one longitudinal supporting frame, the threaded sleeve is horizontally and tightly installed at the bottom position of the other longitudinal supporting frame, the stepping motor is installed on the longitudinal supporting frame, and the driving end of the stepping motor is connected with the end of the threaded rod; wherein a lifting adjusting assembly is arranged in one longitudinal supporting frame, a synchronous lifting |
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