Shandong Mingwei Hoisting Equipment Co,Ltd Company Logo Shandong Mingwei Hoisting Equipment Co,Ltd
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Construction Tower Crane QTZ40

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Shandong Mingwei Hoisting Equipment Co,Ltd
[China]

Address
shandong jinan zhangqiu  Jinan Shandong
Phone
86-0531-2227359
Contact name
May

Quick Information

  • Place of Origin: China
  • Feature : Hydraulic Crane

Description

The crane has scientific layout and beautiful appearance. The operator’s room is side independently on one side, with good vision field, it creates a good work environment for the operator. The crane is convenient to operate and easy to maintain and repair. It is an ideal construction machine for construction enterprises. The machine has four kinds of work structures: Lifting, circumgyrating, variable ranges, and top lifting. The four structures can work in combination as well as independently so as to improve work efficiency. The top lifting structure is used to increase the height of the tower or lower the tower. The lifting control of this machine has three choices: Frequency conversion stepless speed adjusting, double speed wire winding motor speed adjusting, and tri-speed motor speed adjusting. The circumgyrating control has two options: Frequency conversion stepless speed adjusting and wire winding motor speed adjusting. The range adjustment control has two selections: Frequency conversion stepless speed adjusting and tri-speed motor speed adjusting. The above settings can be made according to the demands of the customers. All the models work stably and can fully satisfy different needs. The lifting arm can rotate 540 to the left and right. The circumgyrating and range adjusting are agile and reliable, and the hoisting positioning is accurate. Thus the crane can satisfy the need for vertical and horizontal transportation in construction operation.
2 Times Multiplying (2 falls) magnification
 

Jib length (m) 3-21.4 22 23 24 25 26 27 28 29 30
Load (t) 2 1.94 1.85 1.77 1.69 1.62 1.56 1.50 1.45 1.39
Jib length (m) 31 32 33 34 35 36 37 38 39 40
Load (t) 1.35 1.30 1.26 1.22 1.18 1.14 1.11 1.08 1.05 1.02
Jib length (m) 41 42 43 44 45 46 47 48 49 50
Load (t) 0.99 0.97 0.94 0.92 0.89 0.87 0.85 0.83 0.81 0.80
                       
 
 
4 Times Multiplying
 
Jib length (m) 3-10.966 11 12 13 14 15 16 17 18 19 20
Load (t) 4 3.98 3.64 3.36 3.10 2.89 2.70 2.54 2.39 2.26 2.14
Jib length (m) 21 22 23 24 25 26 27 28 29 30 31
Load (t) 2.04 1.94 1.85 1.77 1.69 1.62 1.56 1.50 1.45 1.39 1.35
Jib length (m) 32 33 34 35 36 37 38 39 40 41 42
Load (t) 1.30 1.26 1.22 1.18 1.14 1.11 1.08 1.05 1.02 0.99 0.97
Jib length (m) 43 44 45 46 47 48 49 50      
Load (t) 0.94 0.92 0.89 0.87 0.85 0.83 0.81 0.80      
 
Basic Parameter:
        
 
Hoisting
Mechanism
Motor Model   YZD200L1-4/8/24
Power kW 15 13 3.5
Reducer Total Drive Ratio i 12.64
Drum Rope Capacity m 280
Brake Model   YWZ-250-40
Brake Moment of Force N·m 600
Wire steel Rope Rope Max. Attraction N 16500
Specification   6×37-11-1770-Ⅰ
Lifting Speed 2 Time Multiplying Power m/min 62 31 7.7
4 Time Multiplying Power 31 15 3.8
Slewing(swing) Mechanism
 
Motor Model   YZR132M-6
Power kW 3.7
Reducer Model   XX4-100.180
Drive Ratio i 180
Coupler Model   YOX.280
Rotating Speed   r/min 0.6
Trolleying Mechanism Motor Model YEZS112M-4/6
Power kW 2.2 1.5
Reducer Type   Grade One
Drive Ratio   38
Wire steel Rope Specification 6×19-6.2-1770-1
Rope Max. Attraction N 5600
Trolleying speed   m/min 22/33
Hydraulic Jacking Mechanism Hydraulic pump station Model   YQY Series
Working Pressure MPa 20
Oil Cylinder Model   20.5
Jacking Speed m/min 0.4
Max. jacking Force t 50
Motor Model   Y132M-4
Power KW 5.5
Jacking Speed r/min 1440
               
 
 
 


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