| 摘要 |
<p>A fastening and loosening device is provided with a device main body (101) having an upper portion supported along an arrangement direction of stud bolts (65) in a freely movable manner by a conveyance device (73), a bolt tensioner (102) freely ascendable/descendable with respect to the stud bolts (65) together with the device main body (101)by a lift device (74), a guide device (103) coupled with the device main body (101) in a freely relatively movable manner via a cylinder (121) and having right and left guide members (123 and 124) contactable with an outer periphery of a nut (66) from both the right and left sides of a moving direction of the device main body (101), and a guide position adjustment device(105) capable of moving an inner guide member (123) in a horizontal direction intersecting with the moving direction of the device main body (101), whereby fastening and loosening of the nut with respect to the stud bolt can be properly performed regardless of the size and shape of a member to be fastened.</p> |
