针对网套式连接器的额定载荷目前还不能满足架空输电线路工程施工要求这一问题，为方便张力放线试制了一种专用的牵引管。
Aiming at the problem of net-shell connector's rated load not meeting the requirement of overhead transmission line construction, a special traction tube was developed to help with tension stringing.
结果：张力带钢针最稳定，承载最大，其次是交叉钢针、牵引，石膏夹板固定最差。
Results Tension band pin group was most stable, followed by cross pin, traction, plaster and splint.
结果张力带钢针最稳定，承载最大，其次是交叉钢针、牵引、石膏夹板固定最差。
RESULTS:Tension band pin was most stable with more bear, the following group was cross pin, traction. Plaster and splint was least unstable.
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