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Symmetric broadband plate-type dynamic vibration absorbing structure

A dynamic vibration-absorbing, symmetrical technology, applied in the direction of roads, tracks, buildings, etc., can solve the problems of high maintenance cost, short life of track slabs, and unsatisfactory vibration isolation.

Active Publication Date: 2013-12-04
成都西南交大高铁轨道设备有限责任公司 +1
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

This kind of vibration reduction measures has the disadvantages of unsatisfactory vibration isolation, short life of the track plate, and high maintenance costs.

Method used

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  • Symmetric broadband plate-type dynamic vibration absorbing structure
  • Symmetric broadband plate-type dynamic vibration absorbing structure
  • Symmetric broadband plate-type dynamic vibration absorbing structure

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Embodiment Construction

[0011] The structure of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0012] Depend on figure 1 and figure 2 It can be seen that the present invention is a symmetrical broadband plate-type dynamic vibration-absorbing structure, and two vibration-absorbing and damping units 1 are arranged in parallel between the two tracks of each ballastless track plate 2, wherein a rigid connection is adopted between the track plate and the vibration absorber . The vibration-absorbing damping unit has an intermediate mass block and four multiple restraint damping strips. Each damping strip is composed of a constrained layer 100 and a damping layer 200. The constrained layer 100 is provided with a directional wing 110. The damping strip is thick in the middle from the center to the outer end. Thin wedge-shaped structure. Four multiple constraint damping strips are symmetrically connected to the intermediate mass block 300;...

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Abstract

The invention relates to a symmetric broadband plate-type dynamic vibration absorbing structure which is arranged on a ballastless track plate of a tunnel to improve the vibration absorbing and damping capacity of the track plate. According to the symmetric broadband plate-type dynamic vibration absorbing structure, two vibration absorbing and damping units are arranged between two steel rails of each ballastless track plate in parallel, each vibration absorbing and damping unit is provided with a middle mass block and four multiple restriction damping strips, each damping strip is composed of a restriction layer 100 and a damping layer 200, a positioning flange 110 is arranged on each restriction layer 100, the four multiple restriction damping strips are connected with the middle mass block 300 in a central symmetry mode, and the damping layers 200 are made of high-damping elastic materials. The symmetric broadband plate-type dynamic vibration absorbing structure has the advantages that vibration of the track plate can be restrained effectively, diseases, caused by various kinds of vibration, of a track and steel ribs in the track plate can be relieved, installation and dismantling are convenient, and cost for maintenance and repairing is low.

Description

technical field [0001] The invention belongs to the technical field of railway tracks, in particular to the technical field of vibration-absorbing and damping performance control of viaduct ballastless track slabs. Background technique [0002] Due to its special supporting conditions, the ballastless track slab track in the tunnel not only causes the environmental vibration along the line due to its strong vibration, but also greatly damages the ballastless track slab. At present, tunnel vibration reduction is generally to install vibration isolation springs under the track plate, such as Chinese patent application CN 1236144C, such as Figure 4 shown. Figure 4 Middle 11 is a track plate, 12 is a fastener system, and 13 is a vibration isolation spring. This kind of vibration reduction measures has the disadvantages of unsatisfactory vibration isolation, short life of the track plate, and high maintenance cost. Contents of the invention [0003] In view of the above shor...

Claims

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Application Information

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IPC IPC(8): E01B9/68E01B19/00
Inventor 王平赵才友肖杰灵陈嵘韦凯谢凯泽
Owner 成都西南交大高铁轨道设备有限责任公司
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