1) single tube cone steel tower
单管圆锥钢塔
1.
The mechanism of wind vibration control of single tube cone steel towers using tuned spring mass damper(called TSD)has been studied.
针对调频弹簧质量阻尼器 (TSD)对单管圆锥钢塔风振控制的机理作了深入研究。
2) Single tube cone communication tower
单管圆锥通信塔
3) circular steel tube with tapered ends
双锥型圆钢管
1.
Design method of circular steel tube with tapered ends;
双锥型圆钢管的强度设计计算方法
4) paper cones
圆锥形管
6) taper steel pole
锥形钢管
补充资料：55°圆锥管螺纹型式和尺寸
| 螺纹代号 | 基本尺寸 英 寸 | 大径 mm d=D | 螺距 mm p | 每英寸牙数 tpi | 中径 mm d2=D2 | 小径 外螺纹 d3 | 牙型高度 H1 | 圆弧尺寸 r | 底孔尺寸 mm |
| R 1/16 | 1/16＂ | 7.723 | 0.907 | 28 | 7.142 | 6.561 | 0.581 | 0.125 | 6.4 |
| R 1/8 | 1/8＂ | 9.728 | 0.907 | 28 | 9.147 | 8.566 | 0.581 | 0.125 | 8.4 |
| R 1/4 | 1/4＂ | 13.157 | 1.337 | 19 | 12.301 | 11.445 | 0.856 | 0.184 | 11.2 |
| R 3/8 | 3/8＂ | 16.662 | 1.337 | 19 | 15.806 | 14.950 | 0.856 | 0.184 | 14.75 |
| R 1/2 | 1/2＂ | 20.955 | 1.814 | 14 | 19.793 | 18.631 | 1.162 | 0.249 | 18.25 |
| R 3/4 | 3/4＂ | 26.441 | 1.814 | 14 | 25.279 | 24.117 | 1.162 | 0.249 | 23.75 |
| R 1 | 1＂ | 33.249 | 2.309 | 11 | 31.77 | 30.291 | 1.479 | 0.317 | 30 |
| R 1 1/4 | 1 1/4＂ | 41.910 | 2.309 | 11 | 40.431 | 38.952 | 1.479 | 0.317 | 38.5 |
| R 1 1/2 | 1 1/2＂ | 47.803 | 2.309 | 11 | 46.324 | 44.845 | 1.479 | 0.317 | 44.5 |
| R 2 | 2＂ | 59.614 | 2.309 | 11 | 58.135 | 56.656 | 1.479 | 0.317 | 56 |
| R 2 1/2 | 2 1/2＂ | 75.184 | 2.309 | 11 | 73.705 | 72.226 | 1.479 | 0.317 | 71 |
| R 3 | 3＂ | 87.884 | 2.309 | 11 | 86.405 | 84.926 | 1.479 | 0.317 | 85.5 |
| R 4 | 4＂ | 113.030 | 2.309 | 11 | 111.551 | 110.072 | 1.479 | 0.317 | 110.5 |
| R 5 | 5＂ | 138.430 | 2.309 | 11 | 136.951 | 135.472 | 1.479 | 0.317 | 136 |
| R 6 | 6＂ | 163.830 | 2.309 | 11 | 162.351 | 160.872 | 1.479 | 0.317 | 161.5 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条