Reliable High-Quality Tower Crane 7021 for Efficient Construction Needs

• Customization: Available
• After-sales Service: Installation Solutions Can Be Provided for Remot
• Certification: GS, RoHS, CE, ISO9001
• Model NO.: 7021
• Condition: Used
• Maximum Lifting Height: 200-250m
• Maximum Lifting Weight: >10t
• Installation: Assembled
• Moving Type: Fixed
• Type: Top-Slewing Crane
• Trolleying: 0-55m/Min
• Slewing: 0-0.8rad/Min
• Standard Section Specification: L68b1
• Transport Package: Cars, Ships, Containers
• Specification: R70/21B
• Trademark: Shen jian
• Origin: China

Product Description

Embrace a new era of construction excellence with the Affordable 2019 Shen Jian 7021 Tower Crane, where innovation meets practicality. This state-of-the-art crane features an avant-garde flat-top structure design, ingeniously integrating the boom with the tower cap. Say goodbye to the cumbersome tie-rod systems of traditional cranes, as this breakthrough design significantly reduces risks associated with high-altitude falls, elevating safety and stability to new heights. Forged from premium-grade high-strength steel, the tower body is meticulously crafted through rigorous welding processes and thorough quality inspections, ensuring unparalleled safety and reliability even in the most challenging work environments. At the heart of its performance lies an advanced variable-frequency speed-regulation system, delivering exceptional smoothness in lifting, luffing, slewing, and other functions. Experience a remarkable reduction in mechanical impact and energy consumption, thanks to this ingenious system. Moreover, the crane is fortified with a comprehensive suite of safety protection devices, including torque limiters, load limiters, and height limiters, all meticulously synchronized to provide real-time monitoring of operating status, preventing overloading and operational errors with precision.
Shenjian tower cranes set the benchmark for excellence, renowned for their unmatched reliability and durability. Shenyang Construction Machinery Co., Ltd. proudly upholds its esteemed legacy with an all-encompassing after-sales service system, meticulously designed to ensure the long-term success and seamless operation of your investment. Revel in peace of mind with robust technical support, an abundant supply of spare parts, and regular maintenance services. Each element is carefully crafted to sustain the superior performance and unwavering stability of your Shenjian tower crane, ensuring it remains a vital asset in your construction endeavors for years to come.

BASIC PARAMETER

Model	R70/21B
Jib length	70m
Max Load	10t
Tip load	2.1t
Height under hook	45m
Mast Section Dimention	2.0m*2.0m*3.0m
Mast section type	Angle steel (main chord)
Status	Stationary

MAIN COMPONENT OF THE PRODUCE

1)  - 01 set of hoisting mechanism with inverter

2)  - 02sets of slewing mechanism with inverter

3)  - 01 set of trolleying mechanism with inverter

4)  - 1 set of tower head

5)  - 01 set of balance boom (Counterweight with balance arm)

6)  - 01 set of jib 70 m

7)  - 01 set of Slewing bracket

8)  - 01 set of telescoping cage complete with pump,cylinder & yoke(hydraulic iol  are excluded )

9)  - 1 set of  basic mast section (1.6 m*1.6m*7.5m)

10)  -12 sets of mast section(1.6m*1.6m*3.0m)

11)  - 0set of  Anchorages Frame)

12)  - 01 set of  hook

13)  - 01 unit of Standard version cabin(Including Air Condition)

14)  - 0 set fixing angles

15)  - Complete electric control system

16)  - Complete electric cable 55m

17)  - Complete hoist wire rope 300m