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Shandong Minglong Construction Machinery Co., Ltd.

Qtz100 Tower Crane, Building Tower Crane, Construction Machinery manufacturer / supplier in China, offering Construction Tower Crane (QTZ50(5008)), Self-Erecting Tower Crane for Construction (QTZ63 TC5610), Qtz63 (5610) -8t Construction Machinery Tower Crane and so on.

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Supplier Homepage Product Topkit Tower Crane Construction Tower Crane (QTZ50(5008))

Construction Tower Crane (QTZ50(5008))

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Qingdao, China
Production Capacity: 20 Sets/Month
Payment Terms: L/C, T/T
Basic Info
  • Model NO.: QTZ50(5008)
  • Condition: New
  • Maximum Lifting Weight: <5t
  • Moving Type: Fixed
  • Power Source: Electric
  • Application: Construction Usage
  • Transport Package: Nude Packing, 40′hq
  • Origin: China
  • Certification: ISO9001: 2000
  • Maximum Lifting Height: 100-150m
  • Installation: Jack-Up
  • Type: Tower Crane
  • Sling Type: Wire Rope
  • Trademark: Ming Long
  • Specification: Max.Load 4t, Jib Length 50m, Tip Load 0.8t
  • HS Code: 8426200
Product Description
QTZ50 Tower crane composes metal structure, mechanism deriving, hydraulic lifting, power control and safeguard. The detailed information as follows:
The foundation frame is fixed on the special concrete foundation. The upper part of the frame connects with the tower mast, and the upper part of the crane mast connects with the lower supporting board which connects the lifting jacket. The other end of the lower supporting board fixed to the slewing bearing's outer circle.

The rotary parts which fixed to the inner part of slewing bearing including the upper rotary platform, tower cap, balance arm, jib boom, range changing cart and the hook, counterweight, hoisting mechanism as well as slewing mechanism and the driver's cab. All the parts can make a 540° Rotary around the crane.
The jib boom connects the tower cap by two draw bar while its root part connects the upper rotary platform by bolts.

Hoisting mechanism is at the middle rear end of the balance arm. The right of the slewing platform is the slewing mechanism and the left part is driver's cab. Both the range changing cart and the hook are on the root part of the jib boom, guiding by the derricking speed mechanism, shifts on the jib boom.
The height of the crane includes the height of foundation and standard section. The independent crane composes 11 sections while the in maximum height, that is 120m consists 48 sections and 6 anchorage device. The equipment to match the anchorage device should be fixed on the right position in advance.
Mechanical  loadHoisting  mechanismJC    40%
Swiveling  mechanismJC    25%
Ranging  mechanismJC    25%
Hoisting  structureMotorTypeYZD200L-4/8/32
Rotary  speedr/min1440720220
PowerkW15154
ReducerCenter  distancemm460
Drive  ratioi12.25
Wire  ropeDiametermmΦ 330
Layer  of  winding  wirelayer4
wire  lengthm280
Rotation  speedr/min1145711.4
ArresterTypeYWZ-300-15
Arresting  powerN250-400
Steel  wirePull  powerN10000
Type6× 19-11-1770-I
Lifting  speedm/min65.1/31.932.6/15.913.0/6.4
Rated  lifting  capacityt0.8/1.62/42/4
Min.   stable  descending  speedm/min≤ 7
Total  weightt1.2
Slewing  mechanismMotorTypeYZR132M-6
Rotation  speedr/min 960
PowerkW 3.7
ReducerTypeXX4100.180
Drive  ratioi180
Outlet  torqueN@ m8000
Matching  slewing  bearingTypeHSW. 30.1220F3
 Hinge  pinionsModulusm10
Tooth  numberz13
displacement  factorx+0.5
Fluid  couplingTypeYOX250A
Swiveling  speedr/min0.60.38
QuantitySet1
Range  changing  mechanismMotorTypeYDEZ132S-4/8
Rotation  speedr/min1440960
PowerkW2.21.5
ReducerTypeWCJ120
Drive  ratio39
Steel  wireType6× 19-7.7-1550 
Line  speedm/min38.6/25.2
Range  changing  speedm/min38.6/25.2
Hydraulic  hoisting  mechanismHydraulic  pump  stationOperating  pressureMPa20
PowerkW4
Type  of  oil  pumpGB306
Hydraulic  oil  cylinderRated  pressureMPa20
Diameter  of  the  cylindermmΦ 125
pole  diametermmΦ 90
Journeymm1300
Installation  intervalsmm1700
Hoisting  speedm/min0.4
Max.   hoisting  powert24.6
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Ms. Nicole Miao
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