Quakeproof pole tower

Abstract

The invention discloses a quakeproof pole tower. The quakeproof pole tower comprises a pole body main body (10), a moisture-proof case and a quakeproof mechanism arranged in the moisture-proof case, the quakeproof mechanism comprises a supporting base (1) and a shock absorption structure, an accommodation cavity (2) is formed in the center of the supporting base (1), a cover plate (3) is arranged on the upper end face of the supporting base (1), a through hole is formed in the center of the cover plate (3), the shock absorption structure comprises a shock absorption seat (4) and a connecting rod (5), the shock absorption seat (4) is arranged in the accommodation cavity (2), the upper end of the connecting rod (5) extends out of the through hole, a buffer spring is arranged between the connecting rod (5) and the cover plate (3), and multiple disc spring buffer parts are arranged between the shock absorption seat (4) and the accommodation cavity (2). According to the quakeproof pole tower, through the arrangement of the disc spring buffer parts between the supporting base and the shock absorption seat and the arrangement of the buffer spring between the connecting rod and the cover plate, the stiffness damage of transverse waves and longitudinal waves in an earthquake to a pole are effectively prevented.

Description

technical field [0001] The invention belongs to the technical field of power transmission lines, in particular to an anti-vibration tower. Background technique [0002] At present, the tower design and structural safety and stability construction of 35KV and below power transmission and distribution lines in the power grid are relatively weak. The towers for power transmission and wiring are all equipped with thick cylinders at the bottom, with brackets at the top, and tree-like shapes at high altitude. It is suitable for erecting wires and cables, the bottom of which is connected by bolts to the foundation that is simply laid underground. However, this traditional rigid fixing method between the tower and the ground is difficult to resist the vibration of the foundation or the occurrence of earthquake disasters. When an earthquake occurs, the foundation is often cracked and damaged. Uneven settlement, etc.; when natural disasters such as strong winds, heavy snow, heavy rain...

AI Technical Summary

Problems solved by technology

[0002] At present, the tower design and structural safety and stability construction of 35KV and below power transmission and distribution lines in the power grid are relatively weak. The towers for power transmission and wiring are all equipped with thick cylinders at the bottom, with brackets at the top, and tree-like shapes at high altitude. It is suitable for erecting wires and cables, the bottom of which is connected by bolts to the foundation that is simply laid underground. However, this traditional rigid fixing method between the tower and the ground is difficult to resist the vibration of the foundation or the occurrence of earthquake disasters. When an earthquake occurs, the foundation is often cracked and damaged. Uneven settlement, etc.; when natural disasters such as strong winds, heavy snow, heavy rain, and ice cover occur, the tower will be tilted and overturned like a "domino" effect. Power outages seriously endanger the safety of electricity and the electricity consumption of residents in production and life, and bring immeasurable losses to the national economy.

On August 14, 2013, a tornado hit Pushi Town, Luxi County, Xiangxi Autonomous Prefecture. After the tornado, the roofs of Neiwa houses in the town were overturned, and the utility poles collapsed in rows and fell on the roofs of residents or trees. More than 5 The 10 kV line was affected by the disaster, affecting nearly 100,000 residents in four villages and towns for production and living electricity. However, the current common method is to prefabricate concrete at the base, and then connect the bottom of the pole through the flange. If the concrete base is small It is easy to settle, and if it is very large, it will waste a lot of resources, and the flange connection method is easy to break under conditions such as strong winds and vibrations, and there are still major safety hazards. Therefore, how to design a new type of tower structure to make the disaster-resistant ability greatly improved

The disadvantage of this structure is that the connection between the pole and the base is still rigid, and the earthquake resistance is not strong in the face of the shear wave and longitudinal wave of the earthquake

The disadvantage of this structure is: the structure is complicated, and the installation process is time-consuming and laborious

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