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Viscoelastic damping anti-galloping device

A kind of anti-dancing, viscoelastic technology, applied in the field of engineering vibration reduction, to achieve good reliability and application value, good adaptability and robustness, good energy consumption effect

Inactive Publication Date: 2014-04-02
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing commonly used anti-galling devices have their pertinence in design and limitations in use. Due to the complexity of galloping problems, they cannot fully meet the gradually increasing demand for galloping prevention and control of transmission lines.

Method used

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  • Viscoelastic damping anti-galloping device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The viscoelastic damping dance preventer of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0017] Such as figure 1 As shown, the viscoelastic damping dancer of this example includes a connecting plate 1 , an upper end cover 2 , a lower end cover 3 , a piston 4 , a piston rod 5 , a damping ring 6 and a weight member 7 . In order to facilitate disassembly and replacement of parts, the upper end cover 2 and the lower end cover 3 are designed as a C-shaped structure, and the two are buckled to form a hollow rectangular shell; a damping ring 6 and a piston located in the center hole of the damping ring are fixed in the shell 4. The piston 4 is installed on one end of the piston rod 5, and the other end of the piston rod 5 passes through the lower end cover 3, and is equipped with a ballast 7, and the top end of the upper end cover 2 is also fixed with a connecting plate 1. The damping ring 6 is preferably mad...

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Abstract

The invention provides a viscoelastic damping anti-galloping device. The viscoelastic damping anti-galloping device comprises a linking plate, an upper end cover, a lower end cover, a piston, a piston rod, a damping ring and a pressure weight piece, wherein the open ends of the upper end cover and the lower end cover are opposite to each other and are buckled to form a rectangular outer shell; the damping ring and the piston positioned in the central hole of the damping ring are fixedly arranged in the outer shell; one end of the piston rod is positioned in the outer shell and is fixedly connected with the piston; the other end of the piston rod penetrates through the bottom end of the outer shell and is provided with the pressure weight piece; the linking plate is fixedly arranged at the top end of the upper end cover. When a transmission line gallops, the damping anti-galloping device generates a corresponding inertia impact force through the added pressure weight piece and vibrates with the arranged damping ring to consume energy, and the galloping energy is consumed through vibration attenuation, so that the effect of reducing the galloping response is realized; meanwhile, the viscoelastic damping anti-galloping device has high stability.

Description

technical field [0001] The invention belongs to the technical field of engineering vibration reduction, and in particular relates to a viscoelastic damping dance preventer. Background technique [0002] Conductor icing galloping has become an important form of disaster that endangers the safe and stable operation of transmission lines in my country. It poses a huge threat to the safe and stable operation of transmission lines every year, especially in recent years. With the rapid expansion, the phenomenon of ice-covered galloping of conductors also presents some new features such as expanding the scope of influence, increasing the frequency of occurrence, and increasing the scale of occurrence. [0003] From the 1920s to the present, relevant researchers at home and abroad have carried out in-depth research work on the problem of wire galloping in theoretical analysis, experimental verification, and field observation, and have achieved fruitful results. Installing anti-danci...

Claims

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Application Information

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IPC IPC(8): H02G7/14
Inventor 朱宽军刘彬孙娜刘建军
Owner CHINA ELECTRIC POWER RES INST
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