Device for replacing supporting roll

The utility model discloses a device for replacing a supporting roll, comprising a top seat, a lifter and a base, wherein the bottom end of the lifter is fixed on the base; the top end of the lifter is fixedly provided with the top seat; the lifter adopts a lead-screw nut for lifting and comprises a...

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Bibliographic Details
Main Authors LI FENGMAN, ZHANG WEI
Format Patent
LanguageChinese
English
Published 09.01.2013
Subjects
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
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Summary:The utility model discloses a device for replacing a supporting roll, comprising a top seat, a lifter and a base, wherein the bottom end of the lifter is fixed on the base; the top end of the lifter is fixedly provided with the top seat; the lifter adopts a lead-screw nut for lifting and comprises a lead screw, a rotating disc, the lead-screw nut and a lead-screw bracket; the top end of the lead screw is fixed together with the top seat; the lead screw penetrates through the lead-screw nut which is welded at the center of the rotating disc; the lower end of the lead-screw nut is inserted into the center of the lead-screw bracket and is rotatably connected with the lead-screw bracket; the bottom end of the lead-screw bracket is fixed on the base, and is fixedly connected with the base by bolts; and the base is made of channel steel, and the inner side of the top seat is provided with a concave groove for supporting a belt. The device disclosed by the utility model has the advantages that the structure is simpl
Bibliography:Application Number: CN20122190293U