Tower Crane(QTZ315)
Tower Crane(QTZ315)
  • Specification
1.Technical performance of crane
1.1 QTZ315CHoisting character table(42M)
Radus m. 12.05 13 14 15 16 17 18 19
Liftingcapacity.kg 3000 2745 2518 2323 2155 2005 1875 1758
Radus.m 20 21 22 23 24 25 26 27
Lifitingcapacity.kg. 1653 1560 1473 1396 1325 1260 1200 1145
Radus m. 28 29 30 31 32 33 34 35
Liftingcapacity.kg. 1093 1045 1000 960 921 884 850 818
Radus m. 36 37 38 39 40 41 42  
Liftingcapacity.kg. 788 760 732 706 682 659 636  
 
QTZ315CHoisting character table(38M)               
Radus m. 12.35 13 14 15 16 17 18 19 20
Liftingcapacity.kg 3000 2840 2620 2430 2265 2120 1990 1875 1770
Radus m 21 22 23 24 25 26 27 28 29
Liftingcapacity.kg 1675 1590 1510 1440 1375 1310 1255 1205 1155
Radus m 30 31 32 33 34 35 36 37 38
Liftingcapacity.kg 1110 1065 1025 990 950 920 890 860 830

1.2 QTZ315cHoisting characteristic Diagram
Rated load moment kN.m 315
Max.load capacity t 3.0
Working.load capacity m 2.5~42(38)
Hoisting height Freestanding 30
Attaching 100
Hoisting speed m/min 46/23/7
Swing speed r/min 0.5/0.37
Radius speed m/min 22/33
Climbing speed 0.5
Overall
 
Underbed  
 
 
M
4x4
 
demension
Overall height Freestanding 37.5
Attaching 107.2
Distance between jib-head and swing center 43.03(39.03)
Distance between jib-end and swing center 10.845
Net weight of full crane Weight of structure Freestanding  
T
16.745
Attaching  
Counter weight T 4.36(3.95)
Total capacity of motor kW 25
Allowed working temperature -20~+40
Working wind pressure N/m2 250
 
No Working wind pressure 800~1100

 
standard I II      III
Hoisting speed,m/min 7 23 46
load capacity,kg 3000 3000 1500

1.3 Main technical feature
Mechancial load rates Hoisting mechanism JC40%
Swing mechanism JC40%
Derricking mechanism JC25%
Hoisting
mechanism
Motor tyoe YZTD225-4/8/24
power 15/15/3.5
Height limiter type YWZ3-315/45-10
Wire rope specification 6X37-12.5-1850-I
Max.traction,N 15000
Best Hoisting height 100(attaching)
Max.rope speed 92       46        14
Swing mechanism Motor type YD132S-6/8
power 3.3/2.2
Running speed 960/720
Retarder type XX4 80.195C-001
Gear ratio 195
Hydraulic coupling mechnism Type YoX280A
Swing pinion Modulusm 10
Tooth counting 15
Addendum coeficient +0.5
Swing gearing Single row and four point sphere swing gearing Type QWA1120.32
Modulusm  m 10
Tooth counting z 129
Hydraulic
Climbing system
Motor Speed 1400
Power 5.5
Rated working pressure of cylinder Mpa 20
Max.climbing force kN 190
Climbing speed m/min 0.5
 
 
 
Derricking mechanism
Motor Type YD100L2-6/4
Power 1.5/2.2
Speed 1440/960
Wire rope Type 6x19-6.2-155-I
Max,N 5600
Lenged,m L1=82.5,L2=46.5
Retarder Type BL22-43-3.3
Gear ratio 30
Derricking speed Low speed,m/mim 22
High speed,m/min 33


QTZ315 crane is a kind of new tower crane desighed by our company for construction and it is upper rotating self-climbing tower crane for multipurpose, with balance boom and trolley luffing. The tower crane has large working scope, multi working model and wide applicable objects. It can work in free standing type and attached type to satisfy different construction requests.
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