| 摘要 |
<p>The present invention relates to a bolt fastening device, and more specifically, to a bolt fastening device which fastens a fastening unit to a basic unit. Provided is a bolt fastening device, comprising: a first joint fixed on the basic unit and on which a first bolt hole is formed; a second joint located on the first joint, locating the fastening unit between the basic units, and on which a second bolt hole is formed; a support unit supported on the basic unit, located to be matched with the first joint, and forming a third bolt hole in a location corresponding to the first bolt hole; and a bolt unit combining the support unit, the first joint, and the second joint by passing through the first bolt hole, the second bolt hole, and the third bolt hole. Even if shear stress is concentrated on the fixing unit, the present invention effectively fixes the fixing unit to the basic unit.</p> |
