2results about How to "Prevent falling phenomenon" patented technology

The utility model relates to the field of quail egg sorting discloses a kind of quail egg sorting equipment, including containing groove, the containing groove is opened in the top surface of workbench, the rear side of workbench is fixed with drive motor, the output shaft of drive motor extends to containing groove inside one end, the output shaft of drive motor is fixed with sorting frame one end, the inside of sorting frame is detachably provided with screening screen, the left side of sorting frame is fixed with electric push rod, the telescopic rod of electric push rod is fixed with push plate one end, the right side of push plate is fixed with several push blocks, the inner wall of sorting frame is fixed with connecting column.In the utility model, through the synergies of electric push rod, push plate, push block, connecting column, limit strip and spring, the actual size of quail egg can be dynamically matched, so that the sorting gap can be flexibly adjusted according to the actual size of quail egg, and different specifications of quail egg can be sorted.

The utility model relates to the field of paper core shaft assembly discloses a paper disc quick replacement device, including a plurality of U -shaped groove, a plurality of U -shaped groove all are set up on the support, the support is screw -threaded connection has a plurality of plug screw, the outer wall of plug screw is coiled with compression spring, the one end of compression spring and plug screw's nut place contact, the one side of support is provided with limit card, limit card corresponds with U -shaped groove, limit card sliding connection is in the outer wall of plug screw, the other end of compression spring and limit card contact, the inner wall of U -shaped groove is clamped and is provided with paper core shaft, in the utility model, through the collaborative action of plug screw, compression spring and limit card, operating personnel can conveniently limit the one end of paper core shaft and fix, need not with the help of tool and can carry out dismounting, save the labor and time cost, effectively prevent the support and appear the paper core shaft drop phenomenon after rotating a certain angle.