Crane Ltd in China of Hstowercrane
Ferrous Oxalate Dihydrate,Ferrous Oxalate,Ferrous Oxalate Basic,Strontium Oxalate Vietnam Fine Chemical Factory , https://www.finechemvina.com
1. tech data performance table
 rated lifting torque
kN.m
1250
max. Lifting capacity
t
8
working range m
m
3~60
lifting height
free standing height
50
with wall tie ins type
180
lifting speed
2-lines
m/min
101.5/51.83
4-lines
49.11/25.08
slewing speed
r/min
0.65
ranging speed (FBF1250A)
m/min
58.6/29.3/8.79
climbing speed
0.4
lower descending speed
≤5
outline dimension
Foundation frame
m
8×8
 total height
free standing height
60
with wall tie in type
190
jib tip to slewing center
63.372
rear part of counterjib to slewing center
14.82
dead load
structure weight
free standing height
t
58.508
with wall tie ins type
113.628
counterweight
20.8
power
kW
60.85
allowed working temperature
Dge c
-20~+40
power supply
50Hz
~380V±10%
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2.  main tech datas
 mechanism load
 lifting mechanism
M5
slewing mechanism
M4
ranging mechanism
M4
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lifting mechanism motor
type
YZRDW250-4/8
power (kW)
37/37
height limiter
 type
FKDX-G
wire rope
 type
6X37-15-1770
 max. Pull forece(N)
20000
 factor multiplification
a=2
a=4
lifting speed (m/min)
101.5
51.83
49.11
25.08
rated lifting capacity (t)
1.6
4
3.2
8
min lower speed
m/min
≤5
Slewing mechanism
motor
 type
YZR160M1-6
power (kW)
3.7×2
 slewing speed(r/min)
960
 reducer
 type
XX4-100.185
 driving ratio
185
hydraulic coupling
type
YOX280A
slewing pinion
modulus    m
12
teeth z
15
 modification coefficient +0.5
slewing speed
r/min
0.61
slewing ring
one line four point connecting t
 type
QWA.1400.45
   modulus m
12
 teeth z
133
hydraulic climbing mechansim
motor
 type
Y132M-4B5
 power(KW)
5.5
 oil tank rated working perssure
Mpa
30
max. Climbing force
t
60
oil tank travelling distance
mm
1600
installing distance
mm
2070
oil tank diameter
mm
φ160
oil tank pistl diameter
mm
φ110
 climbing speed
m/min
0.4
Ranging mechnism
 motor
type
YZTDE180M-4/8/24
power (kW)
5/3.7/1.1
wire rope
description
6×19-9.3-1550
reducer
 type
XX3-14.40
driving speed
39.7
 raning speed
m/min
58.6/29.3/8.79
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Description of QTZ series tower Crane
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1) the tower crane is one of the most popular type and hot-selling self-erecting tower crane, which is researched and designed by Institute of Building Mechanization of China Academy of Building Research. It absorbs many advanced technology both from China mainland and abroad.
2) We adopt to use Dual drawbars structure on lifting boom, which enables the lifting boom to be unfer no stress at lifting surface other than uniaxial stress, and moreover, it gets rid of the stress peak. It greatly improves the fatigue safety performance of lifting boom.
3) Adopts VVVF stepless speed variation device for lifting, radius changing and slewing mechanisms, to make sure it works steadily and effectively, it also lowers the maintenance cost.
4)We can offer crane standard sections such as the FO/23B standard sections for customers to choose from.Â
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3. Service
1.) Providing timely delivery, standby engineers are ready to solve any problems
2.) Providing 12 (twelve only)months product warranty period,with ample spare parts
3.) Providing work site installation guidance and training of operation and maintenances
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