Shandong, China
Business Type:
Manufacturer/Factory & Trading Company
Business Range:
Agriculture & Food, Construction & Decoration, Industrial Equipment & Components, ...
Number of Employees:
166
Management System Certification:
ISO9001:2015 certificate
Main Markets:
South America, Southeast Asia/ Mideast, Africa, Domestic
OEM/ODM Service

Construction Machine, Crane, Construction Machinery manufacturer / supplier in China, offering Construction Machine Made in China by Hsjj-Qtz4708, Good Quality Construction Elevator (2ton), Crane Services of China Hstowercrane and so on.

Gold Member Since 2010
Audited Supplier

Construction Machine Made in China by Hsjj-Qtz4708

Min. Order / Reference FOB Price
1 Piece US $26,835/ Piece
Port: Qingdao, China
Production Capacity: 5 Sets Per Week
Payment Terms: L/C, T/T
Certification: ISO9001: 2000, CE
Condition: New
Material: Chinese Famous Steel Company
Electrical Mechanism: Siemens or Schneider
Hoist Mechanism: Brake Wheel
Trolley Mechanism: Free Maintenance Planetary Reducer and Cone Brake

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Basic Info.

Model NO.
QTZ4708
Slewing Mechanism
Winding Motor and Hydraulic Transmission
Operation Device
Good for Operator
Safety Devices
a Complete Set of Safety Devices
Crane in Free Standing Height
29m
Type
Tower Crane
Application
Mineral Area Usage, Workshop Usage, Container Usage, Construction Usage
Tower Crane Type
Slewing Tower Crane
Sling Type
Wire Rope
Main Girder Form
Tower Lift Boom
Power Source
Electric
Moving Type
Fixed
Installation
Assembled
Trademark
HSJJ
Transport Package
Bare Into Containers, Spare Parts in Steel Box
Specification
ISO9001, CE, SGS
Origin
China
HS Code
84262000
2t Construction Hoist Double Cage by Hsjj
construction machine
Construction Machine Made in China by Hsjj-Qtz4708
1  Lifting Technical Performance
1.1  Lifting characteristic list
(A)4-line
range (m)3-10.96111213141516171819
Load  (t)43.9863.6383.3433.092.872.682.512.362.23
range (m)20212223242526272829
Load  (t)2.1061.9961.8971.8061.7231.6461.5761.5101.4491.393
range (m)30313233343536373839
Load  (t)1.341.291.241.2001.1591.1211.0841.0501.0170.986
range (m)4041424344454646.8  
Load  (t)0.9570.9290.9020.8770.8520.8290.8070.790  
 
(B) 2-line
range (m)3-20.97212223242526
Load  (t)21.9961.8971.8061.7231.6461.576
range (m)27282930313233
Load  (t)1.5101.4491.3931.341.291.241.200
range (m)34353637383940
Load  (t)1.1591.1211.0841.0501.0170.9860.957
range (m)41424344454646.8
Load  (t)0.9290.9020.8770.8520.8290.8070.790

 
 

1.2   Performance and Technical Parameters List of Crane
Itemunit multiplying factor 
α=2α=4 
Rated lifting torque Kn.mKN.m400 
max. lifting capacityt24 
working rangem        3 - 46.8 
lifting capacity at jib tipt          0.79 
max. Capacityon jib rangem20.9710.96 
crane heightfree standingm30  
with wall tie in12060  
  
outline dimension foundation framem           6.0×6.0  
Total heightfree standing            38.284  
with wall tie in                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        120  
  
 jib tip to slewing center             47.74  
  
counter arm tip to slewing center            12.816  
dead loadfree standingt             21.5  
 with wall tie int             42.7  
 counter weight 
t
              7.2  
 
others
total motor  powerkW25.82 
Allowed wind scalewindscale≤6 
allowed working temperatureDeg c          -20~40 
             
 

 mechanism table
mechanism loadLifting MechanismJC  40%
Slewing MechanismJC  40%
Trolley Traveling MechanismJC  40%
 lifting mechanismmotor typeYZTD225-4/8/32
 Rotator speedr/min1400700140
 powerkW15153.5
reducercenter distancemm460
driving ratioi12.25
rollerdiametermmΦ330
rolling layerlayer4
line capacitym280
rotator speedr/min1145711.4
BraketypeYWZ-250/45-10
 brake forceN450
wire ropepull forceN10000
dimension6×19-11-1770-I
lifting speedm/min65.1/31.932.6/15.913.0/6.4
rated lifting capacityt0.8/1.62/42/4
 steady decline lowest speedm/min≤7
dead loadt1.2
Slewing mechanismmotortypeYD132M-4/8
Rotation rater/min1440720
PowerkW4.53
reducertypeXX-10.180
Transmission ratioi180
outlet torqueN·m8000
slewing bearing typeHSW.30.1220
  pinionmodulusm10
teethz13
modification coefficientx+0.5
hydraulic couplingtypeYOX250A
slewing speedr/min0.750.38
amountunit1
Ranging mechanismmotortypeYD100L2-4/6
rotation speedr/min1440960
powerkW2.21.5
reducertypeWCJ120
transmission ratio39
wire ropedimension6×19-7.7-1550
rope speedm/min38.6/25.2
ranging speedm/min38.6/25.2
 hydraulic tank station hydraulic pump stationworking pressure MPa20
powerkW3
type of oil tankGB306
hoisting oil tankrated pressureMPa20
diameter of oil tankmmΦ125
diameter of polemmΦ90
traveling distancemm1300
installing distancemm1700
hoisting speedm/min0.4
max. hoisting forcet24.6

2.Description of QTZ series tower Crane
 
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.
 
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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