Drilling machining device for railway electric switch machine pin frame

• Main Authors: HAN XI, WANG XIN, ZHANG XIQUAN, NIU HUI, REN JIE, ZHANG MINGMING, PENG ZHENGRONG, ZHANG ZEKUN, DUAN GUIMEI
• Format: Patent
• Language: Chinese; English
• Published: 14.10.2022
• Subjects: BORING; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model relates to a drilling device for a railway electric switch machine pin frame. The drilling device is characterized by comprising a handle (1), a locking screw (2), a baffle (3), a push-pull positioning seat (4), a first positioning pin (5), a pin frame (6), a limiting screw (7), a guide plate (8), a second positioning pin (9), a first guide sleeve (10), a second guide sleeve (11), a base (13) and a third positioning pin (14). The base (13) is of a cuboid structure, the guide plate (8) is connected to the upper portion of the base (13) through a positioning pin and a screw, two kinds of guide sleeves which are vertically assembled on the upper surface of the guide plate (8) in an interference fit mode are arranged on the guide plate (8) and are the first guide sleeves (10) and the second guide sleeves (11), and the multiple second guide sleeves (11) are distributed on the center line of the guide plate (8) in the length direction at intervals. The first guide sleeves (10) are symmetrically di