| 摘要 |
<p>PURPOSE:To avoid an obstacle attached on an overhead line and to smoothly move on a bent overhead line by providing wheels provided with wheel drivers at the tops of supporting brackets, and attaching wheel turning devices to the brackets. CONSTITUTION:Horizontally rotatable turning bases 11, 12 are connected to the front and rear sections of a moving device body 1a. Rocking arms 13a, 13b tiltable in a vertical plane are pivotally supported to the ends of the bases 11, 12, respectively. Supporting brackets 14a-14c are stool on the ends of the arms 13a, 13b and the body 1a, and wheels 15a-15c moving on an overhead line 2 are provided at the tops of the brackets 14a-14c. Wheel turning units 20a-20c for altering the directions of the wheels 15a-15c corresponding to the direction of the line are attached to the brackets 14a-14c. Wheel drivers 16a-16c are provided at the wheels 15a-15c, respectively.</p> |
