Manual Rail Drilling Device
SBZ-31 manual rail drilling device is suitable for drilling various types of rails in areas without power supply by railway electrical, public works and overhaul departments. The utility model has the advantages of simple structure, convenient loading and unloading, small volume, light weight, convenient carrying, etc.
- Product Introduction
A. Application
SBZ-31 manual rail drilling device is suitable for drilling various types of rails in areas without power supply by railway electrical, public works and overhaul departments. The utility model has the advantages of simple structure, convenient loading and unloading, small volume, light weight, convenient carrying, etc.
B. Specification
1. Max. operation force: 250N(Handle length=600mm)
2. Feed rate: 0.3mm
3. Max. drilling diameter: Ф31mm
4. Weight: 9kg
C. Basic structure and principle
Working principle: move the handle with reciprocating move, transfer the intermittent reciprocating swing to ratchet mechanism, make the spindle (drill bit) produce intermittent rotation motion, and then turn the rotary motion into the linear feed motion of the spindle (drill bit) through the screw mechanism to drill.
Structure:
Main movement - consists of two-way rotating ratchet mechanism (ratchet and pawl).
Feed motion - consists of screw mechanism (screw, nut).
Base - center positioning baffle, body (channel steel), front pressing plate and rear pressing plate.
1 Base, 2 Rail pressing plate, 3 Handle, 4 Feed nut, 5Axis, 6Spindle sleeve, 7 Claw locating handle
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