看国产精品美女黄片_无码不卡中文字幕在线观看_国产综合乱色视频_日本乱中文字幕系列-无码av中文专区久久专区,欧美一区二区三区影院,国产伦精品一区二区三区免费,国产精品一页

Top Contact WeChat QR code Bottom

Scan QR code

Contact us

Tengda Hebei Electric Power Equipment Manufacture Co., Ltd.

1/3

NEWS

Feedback Network Contact us

Position:Home>News>News

Details/ Welcome to our website

How to measure the length of the transverse load

Time:2015-8-15 15:58:14  From:Tengda electric power equipment

Galvanized cross arm bolt length measurement method has been has been paid more and more attention, the following power fittings manufacturer for everyone to talk about:

To Phi 190 as an example, such as the 2m down from the top of the pole position, is 13.3 x 2 + 190 + 12 + 10=238.6cm. Add length: 16 mm diameter nut + over 30 mm, 20 mm and 40 mm diameter, single head bolt two female two pads, stud four mother pad two.

Check the crossarm hat no rust, no trachoma, in accordance with the design specifications, no missing parts, cotter pin nut;

No personnel injuries;

45 DEG below angle is usually installed a pair of cross arm, the cross arm insulator string hemlines crossarm minimum 5cm, below 15 DEG to turn straight generally do not open the merchandise.

For more information, please continue to pay attention to our website: www.0571zcgs.cn, keywords: strainclamp, electric power fittings manufacturers 

Pre:What are the scope of use of electric power
Next:What are the requirements for the quality and