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QTZ series tower crane is a kind of upper-slewing fixed type tower crane. It can be used into every kind of industrial and civil - details see: https://www.machineto.com/new-16t-self-erecting-tower-crane-qtz315-7035-10103750

New 16t Self Erecting Tower Crane Qtz315 (7035)
Detailed Specification:
1. Version: Stationary on fixing angles type
2. Jib Length: 70M
3. Max. Load: 16Ton( 4-fall operation )
4. Tip Load: 3.5Ton( 2-fall operation )
5. Hook Height: ( Free Standing Height )
6. Section Size: Standard section boundary size(L*W*H, mm*mm*mm): 2000*2000*3000
The main chords materials (specification/ material, mm): Standard section: 200*200*24Angle iron/Q345B
Basic section: 200*200*24Steel iron/Q345B, included50/Q235B
Center size of the cross section of the boom(W*H, mm*mm): 1600*1445
Chord material(specification/material, mm): 1~6: 100*100*10 Buckled square/Q345B
6~9: 100*100*8Buckled square/Q345B
Lower chord material(specification/material, mm): 1~3: 100*100*10 Buckled square/Q345B
4~6: 100*100*8Buckled square/Q345B
7~9: 80*80*6Buckled square/Q345B
7. Section Quantity: 0 units
8. Power Supply: 380V50Hz/440V50Hz;
9...Structure: 1 set of fixing angels; 0 units split mast sections; Slewing mast; Slewing turntable and cabin with air condition; Counter-jib; 70m jib; 30m electrical cables; 0 set of anchorage frame; With full set accessories and safety protection device, Schneider Inverter, PLC, electrical components and plug connection.
10. Safety Device: 1) Hoist height limit 2) Trolley distance limit 3) Over speed limit 4) Over load limit
5)Trolley moment limit 6) Slewing angle limit 7) Emergency stop button
8) Obstruction light (tip of jib, tower head and counter-jib) 9) Wind lock device
Introduction:
1. High quality and best service
2. Short time delivery and best price
3. Standard packing way
4. The most professional technical support for tower cranes and accessories.
5. Advanced manufacturing technique and quality management.
6...High working efficiency, great speed.
7. Export to more than 30 countries
8. More than 15 years manufacture history.

Structures:
1. Long boom is 70m

2. Mast section: 2.0*2.0*3.0m

3. Hoisting mechanism: Three-speed motor, steady speed, rational performance light load high speed, heavy load intermediate speed, non-load low speed

4. Slewing mechanism: Planet gear speed reducer, fluid coupling with slewing brake device, steady start, accurate position, compact structure.

5. Trolley mechanism: Planet gear speed, two-speed motor driving, high efficency

6. Moment limiter: Outside adjustable, easy adjust and safe

7. Cabin: Developed on the basis of the human engineering principle, Linkage control desk etc.

Feature:
Full set of safety protection equipments: Weight limiter, moment limiter, luffing limiter, height limitater, and slewing limiter, trolley rope-off protection, trolley spindle-break protection, pulley anti-skipping rope devices, make the tower crane flexible and reliable