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CRACKING-RESISTANT TESTING DEVICE OF BOW-TYPE DROP CABLE AND CRACKING-RESISTANT TESTING METHOD
CRACKING-RESISTANT TESTING DEVICE OF BOW-TYPE DROP CABLE AND CRACKING-RESISTANT TESTING METHOD
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机译：弓形下降电缆的抗裂测试装置及抗裂测试方法
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摘要
The invention relates to a cracking-resistant testing device of a bow-type drop cable, comprising a metal rod (1) and several screw rods arranged at intervals. The several screw rods are detachably arranged on the surface of the metal rod (1), and a nut (2) used for fixing tightly an end of the bow-type drop cable on the surface of the metal rod (1) is screwed on each screw rod. The cracking-resistant testing device has the advantages of simple structure and reasonable design. By adjusting the position of the nut (2), a plurality optical cables of different sizes can be reeled and fixed. The size design of the metal rod (1) is reasonable, requirement of curvature radius on the most bow-type drop cables can be satisfied. Through matching with parameters designed for the cracking resistance tests, winding and fixing scenes while construction of the bow-type drop cables is carried out can be simulated in a real mode, and the testing result can be highly referred.
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