Improved triangular drill bit

The utility model discloses an improved triangular drill bit. The improved triangular drill bit comprises a main rod, a replaceable anti-skid assembly is arranged on the main rod, a replacement assembly is arranged on the main rod, and the replacement assembly comprises a mounting block, a sleeve, a...

Full description

Saved in:
Bibliographic Details
Main Author ZHU LANJUN
Format Patent
LanguageChinese
English
Published 14.07.2023
Subjects
BORING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
Online AccessGet full text

Cover

More Information
Summary:The utility model discloses an improved triangular drill bit. The improved triangular drill bit comprises a main rod, a replaceable anti-skid assembly is arranged on the main rod, a replacement assembly is arranged on the main rod, and the replacement assembly comprises a mounting block, a sleeve, a through groove, two positioning grooves, a positioning block, a connecting column, a connecting disc, two grooves, two clamping blocks and a triangular cutting head. The mounting block is fixedly mounted at the bottom end of the main rod, the sleeve sleeves the mounting block, the through groove is formed in the inner wall of the bottom of the sleeve, the two positioning grooves are formed in the inner wall of the bottom of the sleeve, the two positioning grooves communicate with the through groove, the positioning blocks are slidably mounted in the positioning grooves, and the through groove is formed in the inner wall of the bottom of the sleeve. The connecting column is fixedly installed at the bottom of the po
Bibliography:Application Number: CN202223571501U