Special multi-shaft drill bushing

The invention discloses a special multi-shaft drill bushing which comprises a base, guide rods, a connecting slide block and a transmission shaft; the lower ends of the guide rods are connected with the base; the upper ends of the guide rods are connected with the connecting slide block; the transmi...

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Bibliographic Details
Main Authors WANG ZHENGMING, CHENG JINGPING, ZHANG YUNPING
Format Patent
LanguageChinese
English
Published 20.06.2017
Subjects
BORING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
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Summary:The invention discloses a special multi-shaft drill bushing which comprises a base, guide rods, a connecting slide block and a transmission shaft; the lower ends of the guide rods are connected with the base; the upper ends of the guide rods are connected with the connecting slide block; the transmission shaft is arranged in the center of the connecting slide block; a locating groove is formed in an upper plane of the base; avoidance holes are formed in the base; spiral springs are arranged at the exteriors of the guide rods in a sleeving manner; drilling rods are symmetrically arranged on the two sides of the transmission shaft; the lower parts of the drilling rods are connected with the connecting slide block through rolling bearings; a driving gear is arranged at the middle part of the transmission shaft in a sleeving manner; driven gears are arranged at the upper ends of the drilling rods, and are occluded with the driving gear; and drilling clamps are arranged at the lower ends of the drilling rods. The
Bibliography:Application Number: CN20171265821