Frame longitudinal beam transfer lifting appliance and application method thereof
The invention relates to a frame longitudinal beam transfer lifting appliance which comprises a frame, a supporting arm device and a guide base. The supporting arm device comprises a toothed plate, two supporting arms and two supporting arm rotating control plates; the two supporting arms and the tw...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
22.01.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a frame longitudinal beam transfer lifting appliance which comprises a frame, a supporting arm device and a guide base. The supporting arm device comprises a toothed plate, two supporting arms and two supporting arm rotating control plates; the two supporting arms and the two supporting arm rotating control plates are symmetrically arranged on the two sides of the toothedplate; the toothed plate is slidably connected with the frame; the top of the toothed plate is connected with a fixing hook; the bottom of the toothed plate is connected with a falling block; a hook support is installed at the position, located above the toothed plate, of the frame; a locking hook matched with the fixing hook is rotatably connected onto the hook support; gears are connected to theends of the supporting arms and are installed on the frame through shafts; the gears are meshed with the toothed plate; the supporting arm rotating control plates are rotatably connected with the shafts; a supporting plate is |
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Bibliography: | Application Number: CN202011152252 |