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Inner Climbing Tower Crane TC3808 -3

QTZ31.5 type self-erecting towering crane is novel hosting vehicle meeting the needs of assembling medium or high construction equipment. The product is an upper rotary self-erecting kind with horizontal ledge, trolley amplitude. Jib length is 42m, maximum rated weight is 3t, and rated maximum lifting moment is 200kN.m. The following is the main characteristics.

QNP31.5(TC4207/3808) Inner Climbing Tower Crane-3T

QTZ31.5 type selferecting towering crane is novel hosting vehicle meeting the needs of assembling
 medium or high construction equipment. The product is an upper rotary selferecting kind with horizontal 
ledge, trolley amplitude. Jib length is 42m, maximum rated weight is 3t, and rated maximum lifting moment 
is 200kN.m. The following is the main characteristics. 
1. Wide applicability. The tower crane not only meets the usual civil construction demand of small and 
mediumsize cities, but the highrise and multilayered civil construction demand of large and mediumsize
 cities. It can also be used in the construction of multilayered industrial factories, in the slipform construction
 of huge chimneys and silos and in goods loading in port or goods yard.
2. Easy to assemble and disassemble. Hydraulic hoisting device is adopted to increase or reduce crane 
standard section, which corresponds to changing height of various constructions. 
3. High speed, easy adjustment, stable operation and high efficiency. Low speed with heavy load and 
high speed with light loads can be realized through hoisting structures. Two kinds of speed of trolley can
 meet operational needs. Open stopper is equipped to rotating structure, enabling precise placement and
 easy assembly of crane.
4. Complete and reliable safety protective devices. The product is equipped with weight limiter, moment 
limiter, height limiter, amplitude limiter and rotary limiter to ensure normal operation. In addition, rest platform, 
guard ring are also equipped. 
5. Driver’s cabin is separately set on one side. It is broad, bright, comfortable, safe and easy to operate. 
The basic height (detached) of supplied tower crane is 25.5m. If it is used in high-rise construction, the number of standard sections and attached devices can be increased to meet 
consumers’ needs. The maximum height of the product is 120m. 
Technical performance 

Lifting moment t.m 31.5
Max lifting weight t 3.0
Work range  m 2.5-42(38)
Hoisting height(stationary/attached type) m 30/100
Lifting speed m/min 45/22/11/4.7
Slewing speed r/min 0.86/0.43
Jacking speed m/min 26/40
Telescoping speed m/min 0.5
Whole machine shape size Underbed  m 4.0×4.0
Whole machine height Stationary type 37.511
Attached type 107.911
Lifting arm head-end to slewing center 43.03(39.03)10.845
Balance arm tail to slewing center 10.845

Stationary type t 16.745
Attached type
Balance weight 5.08(4.41)
Extras  Electromotor total power Kw 26
Max working air pressure N/㎝2 250
Non-work air pressure 800~1000
Permitted work temperature -20~+40


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Factory: Shandong Mingwei Hoisting Equipment Co., Ltd.
Trading office: Zibo Chico International Co., Ltd.
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