|
item |
The specification of main material |
remark |
|
standard section |
|
External dimensions
1400  1400
total height 2200 |
|
jib |
Upper chord  68  6 |
Total 4sections,jib section connected through pin |
|
Lower chord angle iron weld square
|
|
Tower cap |
Main chord u-iron [12 |
welded by u-iron and steel board |
|
Upper and lower abutment |
Main steel board  14 |
welded by steel board |
|
Counter jib |
|
welded by angle iron and expanded metal |
|
frame |
Main chord angle iron weld-square [ 8 |
Space frame structure welded by u-iron and angle iron |
|
Three kinds of underframe |
main frame I-bar
1.I25a
2.I20, [180
(3) Main frame
u-iron weld-square[16a |
(1) welded by angle iron, u-iron and steel board
(3) welded by u-iron weld-square |
|
Jib tie bar |
 40 |
welded by steel board and round steel |