Fastening device and fastening method for anti-falling and anti-following bolts
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANJING MEISHAN METALLURGY DEV
- Publication Date
- 2015-11-18
Smart Images
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of fastener unloading tools, and in particular relates to a fastening device and a fastening method capable of preventing bolts from falling and rotating. Background technique
[0002] Many large and medium-sized mechanical equipment need to fasten a large number of bolts in the process of installation and daily maintenance. Some bolts are located in special positions and are inconvenient to operate, which consumes a lot of labor in the process of installation and maintenance. For example, during the installation process of the mine car unloading station, there are a large number of multi-standard anchor bolts to be tightened; the installation positions of the anchor bolts of curved rails and other components are narrow and cannot be operated by ordinary wrenches, which brings a lot of trouble to the installers. When the bolts of the important parts of the unloading station such as joists and curved rails ar...