3 ton mini Internal Climbing Tower Crane / CE and ISO9001
certificate / Free standing height 29M
Description of Inner Climbing Tower Crane
1. This series of tower crane has a horizontal jib frame, a jib
trolley radius- changing mechanism. It is original in design,
reliable in operation and satisfactory in shape;
2. The hoisting mechanism provides slow dropping of large load in
position as well as prompt lifting and dropping for small load.
Thus the working efficiency is significantly improved. The lifting
speed reducer is purchased from notable manufacturers to ensure
that the tower crane works stably with low noise and high
3. Equipped with all kinds of safety devices, it shows a good speed
control capacity, satisfactory operating stability and high work
4. It can be widely used for the construction of high-rise hotels,
residential buildings, high-rise industrial buildings, large-span
factory building and tower-like buildings like tall chimneys.
5. Slewing mechanism works together with motor, planet gear speed
reducer and slewing arrester for better bearing capacity and steady
6. The main support of the mast section has both end faces
processed by the jig boring machine to live up to the required
flatness of both ends and verticality of the whole mast section,
thereby improving the overall performance of the tower crane.
Standard Model Specification:
|Model||QTZ31.5(3509) Tower Crane|
|Rated Lifting Moment(KN.m)||315|
|Rated Loading Capacity(t)||3|
|Max. Lifting Load(t)||3|
|Mast section height(m)||29|
|Working range(m)||3 to 38|
|Power supply||380V/50Hz or according to client's requirements|
|Electric switch box||Schneider|
|Main Material(mm)||125*10/angle steel /Q235B|
The Optional Parts for your reference
2) Air conditioner for operation cab
3) Black box for operation cab
4) Remote control
5) Full VFD(Variable Frequency Drive) control
Our tower cranes had exported to more than 20 countries, such as:
Vietnam, Philippines, Indonesia, India, Sri Lanka, Cambodia,
Russia, Kazakhstan, Brazil, Cyprus, Belgium, Madagascar and Algeria
If you're not sure about the type of tower crane you need, please
tell us the below basic parameters to confirm tower crane model:
a. Building height or tower crane working height.
b. Max load capacity and tip load capacity.
c. Span or jib length
d. Other Special requirements, such as optional parts.