2019 ZOOMLION Flat Head Second Hand Tower Crane Model T7020-12E

2019 Model ZOOMLION T7020-12E Flat Head Tower Crane

Equipment Model: ZOOMLION T7020-12E Flat Head Tower Crane (4.0 Series High-End Model)

Manufacturing Year: 2019

Equipment Type: Large Flat Head Attached Tower Crane, without tower top structure, with excellent collision prevention performance for multiple towers, suitable for high-standard building construction, PC prefabricated component lifting

Independent Elevation (Free Height): 60m (Standardized independent height on site, without attachment construction)

Maximum Attachment Height: 200m (Can be equipped with attachment frames and standard sections to increase height, suitable for super high-rise construction)

Tower Section Specifications: 2.0m × 2.0m High-Strength Integral榫 Head Tower Section, strong rigidity, minimal torsional deformation, outstanding heavy-load stability

Cab Configuration: Original Factory New Luxury Upgraded Cab, panoramic wide-angle view, full shock absorption and noise reduction, constant temperature dust-proof, user-friendly operation console, significant improvement in comfort and control accuracy

Equipment Positioning: 200t·m Class Large High-Tech Tower Crane,主打 precise micro-speed lifting, widely used in super high-rise residences, commercial complexes, steel structure projects, PC prefabricated assembly buildings, key municipal projects

Rated Maximum Lifting Moment: 200 t·m

Maximum Rated Lifting Capacity: 12t

Maximum Lifting Arm Length: 70m

Arm Tip Rated Lifting Weight (70m Full Arm Span): 2.0t

Effective Working Span: 2.8m – 70m

Standard Steel Wire Rope Ratio: 4 Ratio for Heavy Load, 2 Ratio for Light Load Switchable

Precise Micro-Speed Function: Lowest Lifting Position Speed Can Reach 5mm/s, Meeting the requirements for precise component alignment lifting

Lifting Mechanism: High-end Variable Frequency Speed Control System, precise control of high and low speed levels, no impact during start and stop, stable lifting under heavy load without slippage, high-speed efficient, low-speed precise, suitable for heavy materials and precise component lifting

Rotary Mechanism: Intelligent Pressure Regulating Continuous Speed Control, gentle and buffered rotation, eliminating lifting object swaying, strong stability for high-altitude positioning, high tolerance for dense construction

Lifting Arm Mechanism: Small Car Variable Frequency Smooth Movement, small positioning error, smooth operation, uniform material distribution for large arm span, wide operation coverage, high construction efficiency

Tower Structure: 2.0m Large Section Integral榫 Head Tower Section, welded as a whole, uniform stress distribution, excellent wind resistance, earthquake resistance, and deformation resistance, strong stability for long-term heavy-load construction

Climbing Configuration: Standard vertical safety ladder + full section protective handrail, compliant maintenance passage, safe and convenient daily maintenance

Lifting Arm Structure: High-Strength Lightweight Truss Segmented Lifting Arm, strong toughness, sufficient load-bearing capacity, convenient disassembly and transportation, suitable for various complex working conditions

Flat Head Core Advantage: No tower top design, overall small space occupation, strong avoidance ability, perfectly compatible with urban dense tower cross-operation, effectively avoiding collision risks

Intelligent Safety Limiting System: Complete original factory torque, height, span, and rotation limit protection, equipped with intelligent working condition interlock system, overload, over-limit automatic alarm, power-off self-locking, comprehensive safety protection

All Variable Frequency Intelligent Control System: Variable frequency control for lifting, rotating, and slewing mechanisms, low impact, low wear, low failure rate, longer equipment service life

Multiple Safety Devices: Standard compliant safety configurations including hook anti-slip, emergency stop, braking self-locking, climbing protection, etc., meeting high-standard construction site acceptance requirements

New Luxury Cab: Upgraded panoramic view, suspended shock absorption, sealed noise reduction, dust-proof constant temperature design, user-friendly operation layout, significantly reduces fatigue during long-term operation, higher control accuracy

• High-end stable performance: The 4.0 series flagship models of Zhonglian have a large 2.0m cross-section standard boom with sufficient rigidity, excellent stability at 60 meters with independent elevation, superior wind resistance, and strong adaptability for super high-rise construction.
• Outstanding lifting efficiency: 70m ultra-long boom, 12-ton heavy load capacity, 2-ton high residual value at the boom tip, balancing heavy-load lifting and long-distance precise material distribution, with leading lifting performance among models in the same category.
• High precision construction compatibility: The unique micro-speed positioning function can meet the precise alignment of PC prefabricated components and steel structures, meeting the needs of high-end prefabricated building construction.
• Excellent construction experience and high safety: The new upgraded cab provides full comfort, smooth operation with no jolts, complete intelligent safety protection, and zero pressure during site acceptance.
• High preservation rate and easy maintenance: The classic high-end best-selling model of Zhonglian, with high market recognition, universal parts, extremely low failure rate, stable rental income, and high residual value for second-hand circulation.