Topkit Tower Crane ZJ6517

Topkit Tower Crane ZJ6517 is our company main product. The jib length is 65m, tip load is 1.7t, max capacity is 10t. High quality Q345B steel, key link pin shafts specially treated for salt resistance, contribute to the strong structure of our tower cranes, providing your machine with a long service life.

The balance arm and lifting arm of the Topkit tower crane are connected to the tower cap through tie rods respectively. Compared with the tower crane without a tower cap, the boom has smaller weight, simple structure and better stability.

Topkit Tower Crane ZJ6517 is a traditional tower crane designed for large construction sites. Assembly is extremely quick and easy, and the lifting, swing and distribution mechanisms are strong, simple and reliable.

A jib tower crane is a type of crane used for lifting and moving heavy objects on construction sites.

1. Torque limiter Control torque, it will warns when lifting weights reach to 90% of rated lifting torque. When reach to 110% of the rated lifting torque, it will limit rising upwards and trolley.

2. Weight limiter Control the maximum lifting capacity, lifting weight reach to 40% of the rated capacity, limit high-speed lifting; lifting weight reach to 110% of the rated capacity, limit the lifting up.

3. Height limiter Control the lowest and highest extreme position of lifting hook.

4. Slewing limiter Control the extreme turns number of turn left and right.

5. Amplitude limiter Control trolley limit position of inward and outward.

6. Overload protection If the material is over the capacity, the crane will give a sharp warning for protection itself.

7. Emergency brake If the operation staff encounter some emergency situation, we could start the emergency brake system to protection the related treasure.

8. Main lifting motor with thermal protection and currency protection.

Weight: the weight of underground section without load and ballast with longest jib and maximum free-standing height.

Another distinguishing feature of a tower crane is the number of components used in its manufacture. The most important tower crane components include:

Base supports, which hold the crane in place and bear most of the load.

The tower, or mast, is the vertical part of the crane that allows the machine to reach its height.

When extremely high lifting heights are required, connectors provide support for the crane by connecting it to the structure being built.

The slewing gear, which is the gear and motor assembly at the top of the mast that allows it to rotate.

The turntable is the platform that turns the horizontal arm of the crane.

Cab, where the driver is located.

Cantilever, a horizontal arm that extends above the load.

Counterbalance jib, extends from the rear of the crane and contains the counterweight.

A hook and pulley assembly that connects the boom to the load and moves the load to its destination via a series of pulleys.

01 - With more than 50 years of production experience and more than 10 years of tower crane sales experience in the international market, product quality and after-sales service are guaranteed.this type obtained the "Zhejiang Made Defined Quality Brand" certification; This model of tower crane is the best-selling in the market.

02 - The ISO9001 international standard is adopted from product design to manufacturing process to ensure the integrity, correctness and unity of product design information and fully meet user requirements.

03 - All components undergo more stringent testing before leaving the factory.

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