| 摘要 |
PURPOSE: An anchor for combination with a rock having variable angle and interval is provided to reduce labor costs by enabling a worker to simply perform a work for coupling the anchor to a rock even if the worker is unskilled. CONSTITUTION: An anchor for combination with a rock having variable angle and interval comprises a rod type first body(24), a rod type second body(29), and an anchor(31). The rod type first body has a first fixed part(22) and a boss part(23). The first fixed part is fixed to a fixing hole formed in a first rock. The rod type second body has a second fixed part(27) and a thread part. The second fixed part is inserted into a fixing hole formed in a second rock adjacent to the first rock. The thread part is inserted into the boss part to be axially moved. The anchor has a pair of lock nuts(30). The lock nuts are coupled to the left and right of the boss part of the first body.
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