Self-raised Tower Crane
1.working range 35m
2.independent height 25m
3.loading capacity 2.5ton
4.tip loading 0.8ton
QTZ25(3508)
Table for hoisting property load:
Rangem | 2.5-13 | 15 | 17 | 19 | 21 | 23 | 25 | 27 | 29 | 31 | 33 | 35 |
Lifting capacityt | 2.5 | 2.13 | 1.86 | 1.64 | 1.47 | 1.32 | 1.2 | 1.1 | 1.01 | 0.93 | 0.86 | 0.8 |
QTZ25(3508)-type self-raised tower crane is the latest domestic hoisting and transport machinery designed and manufactured by Zhangqiu Dacheng Machinery Industry Co., Ltd. using group technology, modular design and finite-element analysis and taking computer design platform for tower crane as the tool.
This crane is a type with cantilever, bogey jib lubbing and upper slewing lifting. All its performance parameters and technical indicators have reached or are superior to the national standard. The maximum working range is 35m; independent freestanding height 25m; adhered freestanding height 60m; rated lifting torque 250kN.m, maximum lifting capacity 2.5t.
This crane is advanced in parameters, reliable in performances, beautiful in appearance, high in quality, simple in structure and easy in operation. It is equipped with advanced safety devices and is easy for repair and maintenance, safe for use and reasonable in pricing, for which it has become an ideal choice for many construction enterprises.
Table for technical performances:
ITEM | Technical performances | |
Rated lifting torque(KN.m) | 250 | |
Maximum lifting capacity(t) | 2.5 | |
Rated lifting capacity in the maximum working ranget(t) | 0.8 | |
Maximum working range(m) | 35 | |
Overall height(m) | Independent | 25 |
Adhered | 30 | |
Lifting speed(m/min) | 25/12.5 | |
Jib lubbing speed(m/min) | 33 | |
Slewing speed(r/min) | 0.7 | |
The section of the tower crane(mm) | 1494×1494 | |
Working temperature | -2040 | |
Power parameter | 380V± 5% 50HZ | |
Total motor capacity(kW) | 22.4 | |
The maximum exercisable wind pressure(N/m2) | 250 | |
Table for the Main technical date
The structure name | ITEM | Specification |
Hoisting structure | Motor | YDL160L-4/8 11/7Kw 1440/720r/min |
Decelerator | ZQ35-20.49 | |
Detent | YWZ3-200/25-16 | |
Wire-rope | 6×19-12.5-1550- L=120m | |
Slewing mechanism | Motor | Y100L1-4 2.2Kw 1420r/miN |
Decelerator | XX4-40.195 | |
Fluid coupling | YOX250A | |
Slewing fulcrum | HSW.30.880 | |
Jib lubbing mechanism | Motor | Y100L-4 1.5kW 1420r/min |
Decelerator | WXJ100-31 | |
Wire-rope | 6×19-6.2-1550- L=105m |
Table for the mostly structure
Name | Structure Drawing | The mostly material | Note |
Standard Segment |
| Angle-steel ∠125×125×10 | The size of section1494×1494 The size of high2200 |
Jib Boom |
| First quarter staff Tube 83×5/76×4.5 | The Jib boom is formed by seven parts. |
Last quarter staff [8 add closure plate |
