Main technical parameters of HZPA150 segments assembly launching gantry
HZPA150 launching gantry construction state is whole span hanging construction
basic mechanical design features
|
No |
Item |
Parameters |
Remark |
|
1 |
Span | Girder segments hanging in one span <=51m | |
|
2 |
Working class of the machine | A3 | |
|
3 |
Longitudinal slope in working | Sling adjustment±2% | |
|
4 |
Lateral slope of bridge | Sling adjustment±2% | |
|
5 |
Min horizontal radius in working | 2000m | |
|
6 |
Max weight of segments | 130t | Overhead trolley lifting weight 150t |
|
7 |
Segment length | This bridge ≤4.5m | |
|
8 |
Segment height/width | 3m/16.05m | |
|
9 |
Main girder mid-span deflection, cantilever deflection | 1/750、1/400 | |
|
10 |
Lifting height | 56m | |
|
11 |
Overhead trolley lifting speed | 0～3m/min | |
|
12 |
Overhead trolley longitudinal moving speed | 0～15m/min | |
|
13 |
max horizontal adjustment range for overhead trolley | ±800mm | |
|
14 |
Max horizontal moving distance for complete machine（变幅横移） | 18m | |
|
15 |
Max horizontal moving speed for complete machine | 0～0.5m/min | |
|
16 |
Complete machine longitudinal moving speed | 0～1.0m/min | |
|
17 |
Sling rotation | 360° | |
|
18 |
Segments hanging way | 4 positions for lifting beam, 3 positions for hanging beams | |
|
19 |
Span weight with max segments /segments number | 1554t/13 | Without hanging system |
|
20 |
Girder feeding | Under the bridge | |
|
21 |
Power | 380V/50Hz | |
|
22 |
Transportation | According to situation | Max unit piece 25t |
|
23 |
Ambient temperature/humidity | 0～40℃/90% | |
|
24 |
Longitudinal moving wind speed | 16m/s | |
|
25 |
Wind speed for lifting segments | 22m/s | |
|
26 |
Survival working speed | 23～40m/s |
