Torque protection safety chuck spanner

The invention discloses a torque protection safety chuck spanner so as to solve the problems that a spring of an existing safety chuck spanner influences normal use of a chuck head easily, and falling of the spring is unfavorable for work of a machine tool. The torque protection safety chuck spanner...

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Bibliographic Details
Main Authors WU XUEQI, CHEN QIANGQIANG, SUN TENGLONG, YU BAOHUA
Format Patent
LanguageChinese
English
Published 10.09.2014
Subjects
BORING
HAND TOOLS
MACHINE TOOLS
MANIPULATORS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
TURNING
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Summary:The invention discloses a torque protection safety chuck spanner so as to solve the problems that a spring of an existing safety chuck spanner influences normal use of a chuck head easily, and falling of the spring is unfavorable for work of a machine tool. The torque protection safety chuck spanner comprises a main spanner shaft, a tool-post spanner, an automatic popping protection mechanism, an adjustable torque protection mechanism, a bi-directional ratchet wheel reversing mechanism and a three-position self-locking mechanism. The tool-post spanner is fixed to the top of the main spanner shaft. The automatic popping protection mechanism comprises an ejector rod spring and an ejector rod. The adjustable torque protection mechanism comprises a pressing block, a Belleville spring, a force protection shaft sleeve, steel balls and a clamping sleeve case. The bi-directional ratchet wheel reversing mechanism comprises a cushion block, a ratchet wheel, pawls, a pawl locating block, an upper steel plate, a supporti
Bibliography:Application Number: CN201410238816