Gold Member Since 2010
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Shandong Minglong Construction Machinery Co., Ltd.

Inner Climbing Tower Crane, Internal Climbing Tower Crane, Tower Crane manufacturer / supplier in China, offering Inner Climbing Tower Crane, Tower Crane (QTZ40/50), Tower Crane TC5515 Max. Load 8t and so on.

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Inner Climbing Tower Crane

FOB Price: US $100,000 / set
Min. Order: 100,000 set
Min. Order FOB Price
100,000 set US $100,000/ set
Get Latest Price
Payment Terms: L/C, T/T, Western Union
Basic Info
  • Model NO.: QNP31.5
  • Condition: New
  • Moving Type: Fixed
  • Model: Qnp31.5(Tc4207/3808)
  • Max Load: 3t
  • Mastt Section: 1.25X1.25X2.2m
  • Application: Construction Usage
  • Sling Type: Wire Rope
  • Power Source: Hydraulic
  • Certification: CE, ISO9001: 2000
  • Installation: Assembled
  • Type: Tower Crane
  • Jib Length: 42/38m
  • Tip Load: 0.7/0.8
  • Max Height: 120m
  • Tower Crane Type: Slewing Tower Crane
  • Main Girder Form: Double Girder
Product Description
QTZ315C tower crane lifting performance table(42m arm)
Work range(m)

Lifting weight(Kg)

Work range(m)   373635343332313029
Lifting weight(Kg)76078881885088492196010001045
Work range(m)282726252423222120
Lifting weight(Kg)109311451200126013251396147315601653
Work range(m)1918171615141312.5
Lifting weight(Kg)17581875200521552323251827453000
Formula between lifting weight and work range Q=36542/(R-0.8)-250
      Work range   42 m
      Lifting range  30 m

QTZ315C tower crane lifting performance table(38m arm)
Work range(m)

Lifting weight(Kg)

Work range(m)333231302928272625
Lifting weight(Kg)99010251065111011551205125513101375
Work range(m)242322212019181716
Lifting weight(Kg)144015101590167517701875199021202265
Work range(m)14131211.35

Lifting weight(Kg)2430262028403000

Work range    38 m
Lifting height  30 m
1.2Technical performance QTZ315C              Table 1-2
Lifting momentt.m31.5
Max lifting weightt3.0
Work range m2.5-42(38)
Hoisting height(stationary/attached type)m30/100
Lifting speedm/min45/22/11/4.7
Slewing speedr/min0.86/0.43
Luffing speedm/min26/40
Telescoping speedm/min0.5
Whole machine shape sizeUnderbed m4.0×4.0
Whole machine heightStationary type37.511
Attached type107.911
Lifting arm head-end to slewing center43.03(39.03)10.845
Balance arm tail to slewing center10.845

Stationary typet16.745
Attached type
Balance weight5.08(4.41)
Extras Electromotor total powerKw26
Max working air pressureN/2250
Non-work air pressure800~1000
Permitted work temperatureºC-20~+40
Comparison list of lifting speed and lifting weight
Frequency HZ15HZ30HZ45HZ60HZ
Lifting speed m/min4.711    22   45
Lifting weight  Kg3000300030001500
1.3 Main technical data
Mechanism loadabilityLifting mechanismJC40%
Slewing mechanismJC40%
Luffing mechanismJC25%
Lifting mechanismMax lifting height(m)100(Attached type)
Single rope max traction force N15000
Max rope speed(third floor)9044229.4
Rope capacity (m)             240
Rotating speed1460
Speed reducer total transmission ratio32.82
Slewing mechanismElectromotor Type: YD132S-4/8
Power 3.3/2.2
Rotating speed1465/715
Speed reducerTypeXX4-100.195C-001
Rotating speed ratio1:195
Hydraulic couplerTypeYOX-280A
B in =38G7   key wide 10
D out =35G7  key wide 10
Continued table 1-3
Slewing mechanismOutput end gear parameterModulus10
Tooth number15
Modification coefficient X+0.5
Slewing supportSingle row ball slewing bearingType QWA1120.32
Roller conveyer center diameter1120
Modulus  m10
Tooth number  Z129
Jacking mechanismElectromotor Type 
Power Kw5.5
Rotating speed r/min
Hydraulic pump stationType 
Work pressure Mpa20
Jacking oil cylinderType 
Max jacking force t19
Telescoping speed0.5m/min
Luffing mechanismElectromotor Type Power Kwr/min
steel rope speed Low speed m/min22
High speed m/min33
Speed reducerType: BL18-43-2.2spindle wheel swinging reducer
Transmission ratio30
Steel ropeType 6×19-6.2-155-I-first-plating-right
Max traction force N5600
Length  mL1=83   L2=62
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Ms. Nicole Miao
Sales Manager
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