Track switch filler detection ruler
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA RAILWAY BAOJI BRIDGE GRP
- Publication Date
- 2019-06-07
- Estimated Expiration
- Not applicable · inactive patent
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
technical field
[0001] The invention relates to a detection ruler, in particular to a switch interval iron detection ruler. Background technique
[0002] At present, for the turnout products of high-speed railway and urban rail transit in China, tape measure or ordinary caliper is mainly used in the process of measuring the machining size of its spacer iron parts. The measuring tools have poor adaptability and low work efficiency. The quality of the product cannot be effectively controlled, and its stability and accuracy are unreliable. In the final assembly process, there are often contour mismatches and out-of-tolerance dimensions, which seriously affect the assembly efficiency. Spacer iron is an important part of turnout products. It is generally a cast or welded structural part. It must be precisely processed before assembly. Its main function is to connect various types of rails as a whole. At the same time, in order to ensure the safety of train crossings, The backoff...