Tower Crane
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Tower Crane

Features
1. The tower crane consists of a machine body, hoisting jib, control room, power system and so on.
2. Equipped with a horizontal jib frame, trolley traveling and hydraulic self-hoisting, the tower crane has a large working area, various working modes, wide scope of application, novel mechanism and desirable shape.
3. With well-equipped security facilities, the tower crane features reliable running, high working speed, sound speed adjusting performance and high efficiency. It is used in high-rise hotels, resident houses, high-rise industry buildings, large-span factory buildings, large chimneys and other high-tower buildings.
4. A modern form of balance crane, the tower crane often gives the best combination of height and lifting capacity.

Component Elements
1. The base of the tower crane is bolted to a large concrete pad that supports the crane.
2. The base is connected to the mast (or tower) which gives the tower crane its height.
3. The slewing unit is attached to the top of the mast. This allows the tower crane to rotate.

Three Parts on Top of the Slewing Unit
1. The long horizontal jib (or working arm), is part of the crane. A trolley runs along the jib to move the load in and out from the crane's center.
2. The shorter horizontal machinery arm houses the tower crane's motors and electronics as well as the large concrete counter weights.
3. The operator's cab.

Technical Specification

  Unit QZT400 TC7052 QZT260 TC7030 QZT160 6024 QZT125 6018 QZT100 5516/6010
Max. rated moment KN.m 4000 2600 1600 1250 1000
Max. lifting load T 25 12 10 8 8
Max. working width m 70 70 60 60 60
Hoisting height Independent m 50 48 50 50 50
Adhered m 205 205 200 180 180
Max. hoisting load T 5.2 3 2.4 1.8 1.6/1.0
Hoisting speed A=2 m/min 40/80 20/40 100/50/7.4 101.5/51.83 101.5/49.11
A=4 m/min 50/25/3.7 49.11/25.08 51.83/25.08
Radius changing speed m/min 0-100 0-75 50 50 58.6/29.3/8.79
Swiveling speed r/min 0.72 0.6 0.6 0.65 0.63
Telescoping speed m/min 0.46 0.45 0.45 0.4 0.4
Dead load T 135 88 145 115.3 97
77.86 60.98 50.55
Mast section dimension mm 2500×2500
×3000
2000×2000
×3000
1935×1935
×2500
1835×1835
×2500
1833×1833
×2500/2800
Matching motor   Frequency conversion motor Winding motor, Boost motor, Eddy current motor
Parallel width of lifting beam mm 1500 1370 1370 1357
  Unit QZT80 5512/5613 QZT63 5013/5510 QZT50 5008/4810 QZT40 4808/4708 QZT25 3506/3008
Max. rated moment KN.m 800 500 500 400 250
Max. lifting load T 8 6 4 4 2.5
Max. working width m 56 55 50 48/46.8 35/30
Hoisting height Independent m 46.2 40 30 29 25
Adhered m 151.2 151.2 120 120 60
Max. hoisting load T 1.2/1.3 1.3/1.0 0.8/1.0 0.8 0.6/0.8
Hoisting speed A=2 m/min 80.4/41 82.3/42 70/35/7.7 70/35/7.5 27/13.5
A=4 m/min 39.4/20.1 41.2/21 35/17.5/3.75 35/17.5/3.75
Radius changing speed m/min 43.3/21.9 42/22 22/33 22/33 20
Swiveling speed r/min 0.62 0.637 0.6 0.6 0.74
Telescoping speed m/min 0.4 0.4 0.6 0.6 0.6
Dead Load T 81.87 72.79 36 42.7 26/18
42.49 36 42 21.5 22/15
Mast section dimension mm 1833×1833
×2500/2800
1833×1833×2500, 1600×16003×2500 1494×1494×2200, 1618×1618×2500 1494×1494×2200 1494×1494×2200
Matching motor   Winding motor, voltage transformation, speed regulation, stable operation Dual-speed
Parallel width of lifting beam mm 1357 1357 1040 1040 1040
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Yujian is a China-based tower crane manufacturer and supplier.  We offer tower crane, concrete batching machine, dry mix mortar manufacturing equipment and so on.  Our high quality products are offered at competitive prices.  We can complete the full chain of manufacturing concrete mixer, screw conveyor, etc. right here in China.  Our lower manufacturing cost saves your purchasing cost.  More details on each of our products are shown on the description page.