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Jinan Hengsheng Engineering Machinery Co., Ltd.

Construction Machine, Crane, Construction Machinery manufacturer / supplier in China, offering Construction Machine Made in China by Hsjj-Qtz4708, Hsjj Ce Double Cage 2t Capacity Construction Elevator for Sale, China 3t Jib Crane with Jib Length 38m and so on.

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Supplier Homepage Product tower crane topkit tower crane Construction Machine Made in China by Hsjj-Qtz4708

Construction Machine Made in China by Hsjj-Qtz4708

FOB Price: US $26,835 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $26,835/ Piece
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Port: Qingdao, China
Production Capacity: 5 Sets Per Week
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: QTZ4708
  • Application: Construction Usage, Workshop Usage, Container Usage, Mineral Area Usage
  • Sling Type: Wire Rope
  • Power Source: Electric
  • Installation: Assembled
  • Condition: New
  • Electrical Mechanism: Siemens or Schneider
  • Trolley Mechanism: Free Maintenance Planetary Reducer and Cone Brake
  • Operation Device: Good for Operator
  • Crane in Free Standing Height: 29m
  • Transport Package: Bare Into Containers, Spare Parts in Steel Box
  • Origin: China
  • Type: Tower Crane
  • Tower Crane Type: Slewing Tower Crane
  • Main Girder Form: Tower Lift Boom
  • Moving Type: Fixed
  • Certification: ISO9001: 2000, CE
  • Material: Chinese Famous Steel Company
  • Hoist Mechanism: Brake Wheel
  • Slewing Mechanism: Winding Motor and Hydraulic Transmission
  • Safety Devices: a Complete Set of Safety Devices
  • Trademark: HSJJ
  • Specification: ISO9001, CE, SGS
  • HS Code: 84262000
Product Description
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
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 
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 
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
reducercenter distancemm460
driving ratioi12.25
rolling layerlayer4
line capacitym280
rotator speedr/min1145711.4
 brake forceN450
wire ropepull forceN10000
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
Transmission ratioi180
outlet torqueN·m8000
slewing bearing typeHSW.30.1220
modification coefficientx+0.5
hydraulic couplingtypeYOX250A
slewing speedr/min0.750.38
Ranging mechanismmotortypeYD100L2-4/6
rotation speedr/min1440960
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
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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Ms. Elysia Lee
Expt. Manager
To: Ms. Elysia Lee

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