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    Pole climber, new electrician's foot buckle, cement pole, telecommunication lamp pole, iron shoes thickening
    share  | 19-08-28release views ID：14185
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Pole climber, new electrician's foot buckle, cement pole, telecommunication lamp pole, iron shoes thickening
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利用杠杆作用，借助人体自身重量，使另一侧紧扣在电线杆上，产生较大的摩擦力，从而使人易于攀登；而抬脚时因脚上承受重力减小，扣自动松开。利用力学中的自锁现象。如果作用于物体的主动力的合力Q的作用线在摩擦角之内，则无论这个力怎样大，总有一个全反力R与之平衡，物体保持静止；反之，如果主动力的合力Q的作用线在摩擦角之外，则无论这个力多么小，物体也不可能保持平衡。这种与力大小无关而与摩擦角有关的平衡条件称为自锁条件，现象叫自锁现象。一般采用高强无缝管制作，经过热处理，具有重量轻、强度高、韧性好；可调性好，轻便灵活；安全可靠，携带方便等优点，是电工攀登不同规格的水泥杆或木质杆的理想工具。
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