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Shandong Minglong Construction Machinery Co., Ltd.

Inner Climbing Tower Crane, Inside Climbing Tower Crane, Internal Climbing Tower Crane manufacturer / supplier in China, offering Inner Climbing Tower Crane QTG20 (TC3065), Tower Crane (QTZ40/50), Tower Crane TC5515 Max. Load 8t and so on.

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Supplier Homepage Product Inner climbing tower crane Inner Climbing Tower Crane QTG20 (TC3065)

Inner Climbing Tower Crane QTG20 (TC3065)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 20 Sets/Month
Transport Package: 2-40′hq
Payment Terms: L/C, T/T
Basic Info
  • Model NO.: QTG20 (TC3065)
  • Condition: New
  • Max. Load: 2t: Tip Load: 0.65t
  • Power Source: Hydraulic
  • Application: Construction Usage
  • Specification: Max. Load 2t, Tip Load 0.65t, Jib 30m
  • HS Code: 8426200
  • Certification: ISO9001: 2000
  • Type: Tower Crane
  • Jib Length: 30m: Free Standing Height: 19.8m
  • Sling Type: Wire Rope
  • Trademark: Minglong
  • Origin: China
Product Description
QTG20 inner climbing tower crane:
Max. Load: 2t
Tip load: 0.65t
Jib length: 30m
Free standing height: 19.8m
Inner climbing tower crane jacking
Inner climbing tower crane has three attached frames, from down to up respectively are load bearing attached frame, antirotation attached frame and transition attached frame. The distance between two adjacent attached frames is nine to twelve meters, three attached frames all are on the girder Steel, and they connect with the girder Steel by bolts. The girder Steel is put on the concrete beam of core tube elevator hoistway, and they connect with each other by bolts to assure that connection of girder steel and building structure is reliable. All attached frames can be dismantled to assure the cycle use and function conversion. Load bearing attached frame is mainly to bear the vertical-down acting force generating in every kind of working condition. Antirotation attached frame is mainly to bear the torsional moment and bending moment generating in every kind of working condition, and serve as the climbing pathway in the process of climbing and at last it serves as antirotation attached frame. Tower crane only uses load bearing attached frame and antirotation attached frame to fix tower body in normal working condition, but before climbing we need to install the third attached frame to serve as transition attached frame, so as to assure the reliability of climbing track. Climbing height is the distance between load bearing attached frame and antirotation attached frame.

1\Fix two pieces of ready-made girder steel to concrete beam of building's core tube by sixteen bolts, then install strengthen attached frame on the girder steel and adjust the gap between guide pulley and tower body(generally two to five millimeters). Note: The armoured concrete beam of building must be designed by designing institute and up to the requirement of bearing capacity.
2\Fix the jib in the direction of vertical to climbing crossbeam and adjust the range of trolley to make the barycenter of tower crane pass jacking oil cylinder.

3\Put the claw hand of inner climbing jacking crossbeam on inner climbing pathway, raise the tower body up, and put claw hand of inner climbing base section on vertical position. Figure (1); Put the claw hand of inner climbing base section level, limiting tower body sliding down, draw back jacking oil cylinder. Figure (2); After jacking oil cylinder is drawn back, put the claw hand of inner climbing jacking beam level, and put the claw hand of inner climbing base section vertical. Figure (3); Repeat it again and again to make tower body rise as desired requirement. Figure (4). When tower crane rises to desired height, lay two load bearing support square beams under the channel steel of inner climbing base section, let them bear the weight of tower crane.
Rated  lifting  moment KN@ M 200
Max  lifting  weight t 2
Working  radius m 2.5-30
Hoisting  height Independence m 25.6
Hoisting  speed Two  maganification m/min 26.4/6.3
Four  maganification  
Slewing  speed r/min 0.76/0.38
Trolleying  speed m/min 22.5
Jacking  speed  
Mini  steady  falling  speed < 7
of  whole
Chassis m 3.847× 3.847
The  height  of  crane Independence 35
From  boom  end  to  slewing  center  
From  tail  of  balance  arm  to  slewing  center 8.4
The  whole  weight Structure  weight Independence t 10.838
Balanced  weight 3.470
The  total  volume  of  electric  motor kw 15.6
Allowed  working  temperature Degree -20~+40
The  index  of  power  supply 60Hz ~380V± 10%
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Ms. Nicole Miao
Sales Manager
To: Ms. Nicole Miao

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