Tower Crane Mast Section

The standard section of the tower crane is a standardized section used to connect different components in the tower crane, and its main function is to bear the bending moment, torque, vertical force and horizontal force transmitted by the tower crane body-mounted components. As one of the basic components of the tower crane, the standard section of the tower crane plays an indispensable role in the tower crane structure. The sections are connected together to form the main skeleton of the tower crane. A good standard section can significantly improve the stability and safety of the tower crane, improve the flexibility of the machinery, improve the work efficiency, and play a key role in avoiding the occurrence of tower crane collapse accidents.

The tower crane standard section is generally divided into integral standard section and piece standard section.

Monolithic standard section: usually bolted joint, suitable for small or medium-sized tower cranes.

The integral standard section is composed of M20X210 (grade 8.8) high-strength bolts, and the standard section is welded by the main limbs of four seamless rigid tubes and the triangular steel frame. THE CROSS-SECTION IS 0.65X0.6 AND THE HEIGHT IS 1.508M. The sides of the four main limbs of the standard segment are designed as convex and concave structures for easy positioning. The normal standard section generally weighs 450-500kg,

Sheet standard section: connected by pin, suitable for large or heavy tower cranes. Sheet sections are widely adopted because of their ease of transportation and storage, especially in large tower cranes, and the sheet structure can simplify the transportation process.

L46 and L68: These are the codes for the sheet standard section, where L46 represents a 1.6 m section and 6 represents the main chord gauge angle 180×180×18 mm; L68 also represents a 2-meter cross-section, and 8 represents a 200×200×20 mm main chord gauge angle.

1. Angles are: 140*10, 140*12, 160*12, 160*16 Q235B and Q345B
2. Square tubes: 135*10 and 135*12
3. The buckle square is: 125*12

The tower crane standard section is a necessary part of the tower crane crane, the quality is very important, the selection of a good standard section is related to the stability and safety of the entire tower crane operation, because the tower crane standard section is an important part of a tower crane, but also an important core of a tower crane, so the purchase of the tower crane standard section is particularly important.

1. Excellent material

All steel is made of high-quality steel, and the main chord and diagonal pillars are made of special square steel pipes and angles. High strength, strong rigidity, corrosion and scratch resistance.

2. Exquisite workmanship

The standard section provided by the tower crane is relatively well-made, with high processing accuracy, reliable source, usual maintenance and maintenance, durable and rust-proof, and not easy to damage.

3. Excellent quality

The standard part is treated by the sandblasting process, and the surface is smoother, more beautiful and corrosion-resistant. The surface of the surface is treated with anti-rust powder spraying, which is not only beautiful and durable, but also waterproof, anti-rust, anti-corrosion, and stable performance.

4. Worry-free use

It runs smoothly and is more convenient to use, and all products that leave the factory have been rigorously tested.

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