1. The main material of the structure is high-strength steel, and the main limb structure of the standard section of the tower body is seamless steel pipe, with high stability;
2. The lifting mechanism is driven by a frequency conversion motor with an encoder, frequency conversion control, and can also be driven by a dual-speed wound-rotor motor with a viscous brake, which has good lifting speed regulation performance, convenient operation, and reliable use;
3. The double-rotating mechanism is symmetrically arranged, the rotor winding motor is speed regulated by series resistance, the starting and braking are smooth, and the rotating performance is excellent;
4. The boom can achieve a variety of boom length combinations such as 55\50\45\40\37.5\32.5 meters, which is convenient to use;
5. The lifting beam anti-drop structure, the quick plug structure of the sleeve frame platform, etc., achieve the quick and convenient installation of the tower crane;
6. The product production process is more mature and reliable, ensuring product quality.
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Lifting mechanism There are two ways to configure the lifting mechanism, which can be driven by a frequency converter motor with an encoder, and the motor is equipped with a built-in rotary encoder, frequency converter control, which can achieve zero servo anti-falling function, that is, in the case of brake failure, the heavy object will not suddenly fall, and it has a protective function; it can also be driven by a double-speed wound motor with a braking resistor for speed regulation, slow positioning, high-speed operation, reliable use, and simple maintenance. The lifting reducer is designed as a four-axis type, and the drum is of a thick and short type, which improves the service life of the steel wire rope. |
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Rotating mechanism The double-rotating mechanism is symmetrically arranged, and the rotating support is provided with an installation and positioning step. The high-precision meshing of the double-sided rotating small gear and the rotating support ensures smooth operation of the tower crane. The rotating motor uses a wound motor configuration with a hydraulic coupling to drive the planetary gear reducer. |
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Various safety structures The anti-disengagement device of the lifting beam, effectively prevents the lifting beam pin from falling off during the tower crane lifting process. |
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The quick-release structure of the rack platform is provided with a safety device. |
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Lifting arm The boom's lower chord is made of pointed-angle square tube to enhance the safety of the trolley operation. |
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Adopt robot welding The main components are welded by robots, and the weld strength is stable and reliable. |
| Name | Unit | Parameter | ||||||
|---|---|---|---|---|---|---|---|---|
| Rated Lifting Moment | kN.m | 630 | ||||||
| Maximum lifting capacity | t | 6 | ||||||
| Work range | m | 2～55 | ||||||
| Lifting capacity at maximum working amplitude | t | 1 | ||||||
| Lifting height | m | odds | Independent | Attaching | ||||
| 2 | 40 | 150 | ||||||
| 4 | 40 | 75 | ||||||
| Lifting performance | odds | 2 | 4 | |||||
| Lifting speed | m/min | 80 | 40 | 40 | 20 | |||
| Lifting capacity | t | 1.5 | 3 | 3 | 6 | |||
| Rotating speed | r/min | 0.62 | ||||||
| Lifting speed | m/min | 40.5/20 | ||||||
| Lifting speed | m/min | 0.42 | ||||||
| Tower section size | m | 1.6×1.6 | ||||||
| Counterweight | t | 13.5 | ||||||
| Working temperature | ℃ | -20～+40 | ||||||
| Full machine power | kW | 34.7 (excluding lifting motor) | ||||||
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E-mail: lee@futurebest.com.cn
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