4tons Little Inner Climbing Tower Crane Topkit Type 47m Boom for High Buildings
Description of QTZ40 Internal Climbing Tower Crane
Internal climbing tower crane adopts hydraulic climbing method, usually installed inside the building elevator. The working radius is fully utilized and so the working range is wide, valid hoisting capacity is strong compared to external climbing tower crane.
The crane climbs with the increase of the building height. The maximum hoisting height is 120m and standard mast height is only 26.4 m, which saves lots of purchasing cost, transportation fees and maintenance expenses.
Specification of QTZ40 Internal Climbing Tower Crane
| Model | QTZ40 (4708) Tower Crane |
| Type | Internal climbing |
| Rated Lifting Moment(KN.M) | 400 |
| Rated Loading Capacity(T) | 4 |
| Max. Lifting Load(T) | 4 |
| Tip Load(T) | 0.8 |
| Mast section height(M) | 26.4 |
| Span(M) | 47 |
| Working range(M) | 3 to 47 |
| Slewing speed(r/min) | 0.7/0.35 |
| Trolley peed(m/min) | 38.6/25.2 |
| Jacking-up speed(m/min) | 0.4 |
| Power supply | 380V/50Hz or according to client's requirements |
| Power Capacity(KW) | 24.9 |
| Electric switch box | Schneider |
| Hoisting speed(m/min) | (a=2) 65.14/32.57/7.0; (a=4) 32.14/15.6/3.5 |
| Mast section(m) | 1.5*1.5*2.2 |
Advantages of QTZ40 Internal Climbing Tower Crane
1. High Climbing Capacity
2. Best Economic Benefit
3. High Reliability
4. Multiple Usages
5. Convenient Installation and Dismantling
New design Internal Climbing system which is center climbing
More products available: Construction Machinery
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