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Self-adaptive damping spacer

A spacer, adaptive technology used in the installation of devices, electrical components, cables, etc. to maintain the spacing of parallel conductors

Active Publication Date: 2021-09-14
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no application of shear thickening fluid in the spacer rod, and the two are set in cooperation to design the shear thickening fluid adaptive damping spacer Related Patent Reports

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0031] Such as Figure 1-Figure 4 As shown, an adaptive damping spacer includes a spacer body 1, and the spacer body 1 includes a plurality of damping cavities 2, which are connected to each other to form a triangular structure, which has the effect of preventing spin, and each damping cavity 2 Both include a pipe body 4 and a piston rod assembly, the piston rod assembly can move up and down along the axis of the pipe body 4 in the pipe body 4, including a piston rod 3, a wire clip 9, a spring clamp 13, a piston 10 and a sealing ring 11, The wire clamp 9 is arranged above the piston rod 3 for clamping the power transmission wire, and the spring clamp 13 is arranged on the piston rod 3 and below the wire clamp 9, and a reset is provided between the wire clamp 9 and the spring clamp 13. The spring 12 is used for the piston rod 3 to be pulled out when the external force is applied, and reset after the external force disappears. The piston 10 is arranged in the middle of the pisto...

Embodiment 2

[0041] The difference from Embodiment 1 is that different output damping forces can be provided by changing the structural dimensions of the inner cavity 5 and the piston 10 of the tube.

Embodiment 3

[0043] The difference from Example 1 is that by changing the ratio of the shear thickening liquid and using different raw materials to prepare the shear thickening liquid, it has different characteristics, has huge energy dissipation and absorption potential, and can provide greater Output damping force.

[0044] In the present invention, a cavity and a pressure balance hole are provided inside the pipe body, and the size of the piston is set smaller than the inner diameter of the pipe body cavity, so that an annular gap is formed between the piston and the pipe body cavity. When the wire vibrates under the action of external wind load At this time, under the action of external vibration load, the bottom of the piston rod is pushed into the cavity, and the shear thickening fluid in the chamber above the piston in the cavity enters the chamber below the piston through the annular gap, and the shear thickening fluid is flowing During the process, the shear rate of the shear thic...

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Abstract

The invention discloses a self-adaptive damping spacer, which comprises a spacer body, the spacer body comprises a plurality of damping cavities, each damping cavity comprises a pipe body and a piston rod assembly, the piston rod assembly can move up and down in the pipe body along the axis of the pipe body, the piston rod assembly comprises a piston rod, a wire clamp, a spring clamping position, a piston and a sealing ring, the wire clamp is arranged above the piston rod, the spring clamping position is arranged on the piston rod and below the wire clamp, the reset spring is arranged between the wire clamp and the spring clamping position, the piston is arranged in the middle of the piston rod, the piston rod is sleeved with the sealing ring, the pipe body is a barrel with one end open, and connecting supporting lugs are arranged on one side of the closed end and one side of the open end respectively. A cavity, a through hole and a pressure balancing hole are further sequentially formed in the pipe body from the open end to the closed end in the axial direction, the cavity is filled with shear thickening fluid, the piston is arranged in the cavity of the pipe body, the opening of the pipe body and the through hole guide vertical movement of the piston rod in the pipe body, and the pressure balancing hole is used for maintaining air pressure balance in the pipe body, so that the up-and-down movement of the piston assembly in the pipe body is ensured.

Description

technical field [0001] The invention relates to the technical field of power transmission lines, in particular to an adaptive damping spacer. Background technique [0002] With the advent of the 14th Five-Year Plan, my country's demand for electric energy has further increased, and high-voltage and ultra-high-voltage transmission lines are being rapidly constructed. Due to the continuous increase in the voltage level of transmission lines, transmission projects are becoming more and more complicated. In order to prevent transmission lines from vibrating To avoid adverse effects, it is necessary to use spacer rods to maintain the distance between the wires, and to suppress breeze vibration, sub-gap vibration and galloping through the spacer rods to ensure the safe operation of the line. [0003] Conventional damping spacers are mainly composed of frames, bolts, fixtures, cantilevers, damping elements and other components. The prior art damping spacers are mainly realized by th...

Claims

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Application Information

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IPC IPC(8): H02G7/12H02G7/14H02G7/05
CPCH02G7/125H02G7/05H02G7/053Y02E10/72
Inventor 陈世嵬孟沛琳张高明罗凌峰钱子渊朱明晖晏致涛
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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