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QTZ250-7030 Standard Tower Crane

QTZ250-7030 Standard Tower Crane

Hoisting Specifications of QTZ250-7030 Standard Tower Crane:
70m Jib Length:

Radius (m) 3.2-16.1 18 22 26 30 32 36 40 42 46 48 50 56 60 64 66 68 70
Hoisting
Capacity (t) 4 Fall
16 14
.148
11
.275
9
.286
7.
827
7.234 6.247 5.457 5.118 4.529 4.272 4.035 3.425 3.086 2.79 2.656 2.529 2.409
Hoisting
Capacity (t) 2 Fall
8 7.726 6.763 5.993 5.662 5.088 4.837 4.606 4.012 3.681 3.393 3.261 3.138 3.021

65m Jib Length:

Radius (m) 3.2-16.4 17 21 25 29 31 33 37 41 45 49 51 53 55 57 59 61 63 65
Hoisting
Capacity (t) 4 Fall
16 5.3
71
12.1
28
9.9
23
8.3
26
7.6
82
7.117 6.618 5.405 4.778 4.253 4.021 3.807 3.608 3.424 3.252 3.091 2.94 2.799
Hoisting
Capacity (t) 2 Fall
8 7.615 6.69 5.945 5.333 4.821 4.595 4.386 4.193 4.012 3.845 3.688 3.541 3.403

60m Jib Length:

Radius (m) 3.2-16.7 18 22 26 30 32 34 38 42 46 50 52 54 56 58 60
Hoisting
Capacity (t) 4 Fall
16 14.703 11.729 9.67 8.16 7.754 7.006 6.094 5.356 4.747 4.235 4.008 3.798 3.604 3.422 3.253
Hoisting
Capacity (t) 2 Fall
8 7.51 6.621 5.901 5.306 4.806 4.585 4.38 4.19 4.013 3.848

55m Jib Length:

Radius (m) 3.2-17 19 23 27 31 33 37 41 45 49 50 51 53 55
Hoisting
Capacity (t) 4 Fall
16 14.156 11.4 9.461 8.022 7.433 6.447 5.653 5 4.454 4.035 4.213 3.99 3.783
Hoisting
Capacity (t) 2 Fall
8 7.918 6.96 6.189 5.556 5.025 4.606 4.791 4.575 4.374

50m Jib Length:

Radius (m) 3.2-17.2 18 22 26 30 32 34 38 40 42 44 46 48 50
Hoisting
Capacity (t) 4 Fall
16 15.259 12.184 10.055 8.494 7.859 7.3 6.357 5.959 5.954 5.265 4.964 4.688 4.435
Hoisting
Capacity (t) 2 Fall
8 7.804 6.884 6.493 6.139 5.817 5.523 5.254 5.006

Mechanism Specifications of QTZ250-7030 Standard Tower Crane:

Hoisting Moment 2500KN.m
Free Height 48m
Hoisting Mechanism Fall a=2 a=4
Hoisting Capacity (t) 0-60 0-30 0-30 0-15
Speed (m/min) 4 8 8 16
Slewing Mechanism Speed (r/min) 0-0.7
Power (KW) 2×9
Trolley Mechanism Speed (m/min) 0-65
Power (KW) 185
Climbing mechanism Speed (m/min) 0.4
Speed (KW) 11
Counter Weight Jib Length (m) Weight (t)
70 27.3
65 25
60 23
55 19.6
50 18
Working Temperature -20~40℃
Total Power 140KW
Total Weight 72.4t

As a professional manufacturer of standard tower crane in China, Jiangsu Huierde Construction Equipment Co., Ltd still has topless tower crane and construction hoist for clients to choose. All of our products have received the ISO9001-2000 certificates. With high performance and competitive price, our products have been quite popular among clients in many countries like Cambodia, Yemen, South Africa, Brazil, Afghanistan, Iran, and more. If you need our standard tower crane, please contact us freely.

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