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Tie Li Shi (Iron Giant) Brand, Famous Trademark of China
1. QTZ300(7031)Tower Crane2. Jib=70m3. Max Load=12T; Tip load=3.1T4. With Black Box and Limiters5. With CE Certificate
Model | QTZ300(7031) |
Jib Length (M) | 70 |
Free Height (M) | 50 |
Max. Possible Height (M) | 211 |
Max. Load (T) | 12 |
Tip Load (T) | 3.1 |
Wall-attached Device for Max Height (sets) | 11 |
Main Material (mm) | 140×140×16 (angle steel welded into square steel tubes ) |
Mast Section Dimension (m) | 2.083×2.083×3 |
Hoisting Speed (a=2) (m/min) | 120/20 |
Min. Stable Falling Speed (m/min) | 2 |
Slewing Speed (r/min) | 0-0.7 |
Radius-changing Speed (m/min) | 20 |
Jacking-up Speed (m/min) | 0.46 |
Total Motor Power (kw) | 117.5 |
Weight of Independent Structure (T) | 80.90 |
| Power Supply | 380V/50HZ |
Base Form | Built-in Type (Outrigger Stationary) |
I. The tower crane is a combination of advanced technologies of the present day. Its key parts use Q345 steel. Not only is the tower crane equipped with a hydraulic self-raising mechanism, but also its three key mechanisms (hoisting, slewing and radius-changing mechanisms) are all driven by frequency-converting motors.
II. The electric control system of the tower crane adopts the advanced PLC + frequency converter control mode of the present day, which has realized the stepless speed regulation and greatly improves the reliability, maneuverability and stability of the control system and the work efficiency of the tower crane.
III. The tower crane is equipped with all kinds of reliable safety devices, such as hoisting height limiter, slewing range limiter and multifunctional limiter to control the load moment, hoisting capacity and trolley traveling range. Its PLC (Programmable Logic Controller) unit can diagnose the cause of breakdowns. Its Safety Monitoring System (also known as Black Box) displays the data of working radiuses, heights, moments and weights.
IV. The use of world-famous electric components such as OMRON, YASKAWA, Schneider (TE) and MEAN WELL greatly reduces the failure rate of the electric control system and improves the work efficiency of the users.
V. There are also electric safety devices like anemoscopes and obstacle lights and mechanical safety devices to prevent the breaking of trolley axles and wireropes.
We are Shandong Hongda Construction Machinery Group Co., Ltd., a professional construction machinery manufacturer with a history of 28 years. Our registered trademark “Tie Li Shi” (“Iron Giant” in English) has been approved as “Famous Trademark of China”.Our products have passed CE, CCC and ISO9001 quality certifications. Our company has been appraised as a Contract-honoring & Promise-keeping Enterprise by the government for many consecutive years.
Our main products are Tower Cranes (3T-25T, stationary, mobile, outside-climbing, inside-climbing, horizontal-jib, luffing-jib, hammer-head, flat-top, multi-speed, stepless-speed), Construction Elevators(multi-speed, stepless-speed), Concrete Mixers (rotary-drum-type, double-horizontal-shaft), Concrete Batchers, Concrete Mixing/BatchingPlants (25-480m3/h, stationary, mobile, conventional-type, compact-type, simple-type, commercial-type), Concrete Truck Mixers (6-16m3), Truck-mounted Concrete Pumps (diesel, electric), Trailer-mountedConcrete Pumps (diesel, electric),Concrete Pump Trucks (with 24-52m booms), Asphalt Mixing Plants (40-320t/h, stationary, mobile, oil-burning, gas-burning, coal-burning), Stabilized SoilMixing Plants, Rotary Drilling Rigs....
(3T-25T) Mobile, Outside-climbing, Inside-climbing and Luffing, Flat-top )Tower Cranes