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Sawtooth-shaped rubber pad for railway vehicles and rigidity adjustment method thereof

The technology of a rail vehicle and an adjustment method, which is applied in the field of rubber pads, can solve problems such as difficulty in realization, achieve strong versatility, and improve the effect of vibration reduction

Inactive Publication Date: 2016-10-12
ZHUZHOU TIMES NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The transverse and longitudinal stiffness provided by the existing rubber pads are mainly based on the shear structure, and the transverse and longitudinal stiffness are mainly achieved by adjusting the thickness of the rubber layer and the hardness of the rubber material. Due to the constraints of the space size and structure If it is necessary to meet the requirements of greater longitudinal and lateral stiffness at the same time, or to meet the matching of vertical and lateral stiffness, it is difficult for the existing structure to achieve

Method used

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  • Sawtooth-shaped rubber pad for railway vehicles and rigidity adjustment method thereof
  • Sawtooth-shaped rubber pad for railway vehicles and rigidity adjustment method thereof
  • Sawtooth-shaped rubber pad for railway vehicles and rigidity adjustment method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Such as Figure 1 to Figure 5 As shown, the rubber pad 1 includes: a top plate 11 , a rubber layer 12 and a bottom plate 13 , and the bottom of the top plate 11 is provided with ring-shaped protruding top teeth 111 . The locating pin 132 is welded on the bottom plate 13 to play the role of installation and positioning, and the top of the bottom plate 13 is provided with an annular protruding bottom tooth 131 . The top teeth 111 on the top plate 11 and the bottom teeth 131 on the bottom plate 13 are alternately distributed, and the rubber layer 12 is vulcanized between the top plate 11 and the bottom plate 13, constrained by the shapes of the top plate 11 and the bottom plate 13, the rubber layer 12 is a U-shaped annular body A whole that is alternately and seamlessly connected with n-shaped annular bodies. The upper end of the rubber layer 12 is engaged with the top plate 11 , and the lower end of the rubber layer 12 is engaged with the bottom plate 13 , so that the ru...

Embodiment 2

[0043] Such as Figure 7 , Figure 8 with Figure 9 As shown, the main difference from the first embodiment is that the top teeth 111 on the top plate 11 and the bottom teeth 131 on the bottom plate 13 are not continuous annular bodies, but columnar bodies separated from each other. The same as Embodiment 1 is that the top teeth 111 and the bottom teeth 131 are still distributed alternately, and the tops of the bottom teeth 131 are higher than the bottoms of the top teeth 111, and the tops and bottoms of the top teeth 111 and the bottom teeth 131 are also All chamfered.

[0044] It is also possible to change the columns in the second embodiment into circular arcs spaced apart from each other, and to open holes in the rubber layer 12 in the first embodiment to change the lateral, longitudinal and vertical rigidity of the rubber pad 1 .

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Abstract

The invention discloses a sawtooth-shaped rubber pad for railway vehicles and a rigidity adjustment method thereof. Top teeth on a top plate and bottom teeth on a bottom plate are staggered, the top ends of the top teeth are higher than the bottom ends of the bottom teeth, a rubber layer fills the space between the top plate and the bottom plate, when the rubber pad is extruded by transverse force or longitudinal force, the top teeth, the bottom teeth and the rubber layer all bear extrusion by the transverse force or the longitudinal force, and therefore the transverse rigidity and the longitudinal rigidity of the rubber pad can be improved. According to the sawtooth-shaped rubber pad, the rigidity of the rubber pad in the transverse direction, the longitudinal direction and the vertical direction can be adjusted by adjusting the number, the width and the height of the top teeth and the number, the width and the height of the bottom teeth, and therefore the rubber pad can be suitable for various vehicles and is high in universality.

Description

technical field [0001] The invention relates to an elastic buffer device for a rail vehicle, in particular to a rubber pad provided with ring-shaped protruding sawtooths on a top plate and a bottom plate. Background technique [0002] Dedicated passenger lines, heavy-haul freight, and urban rail transport have developed rapidly in China in recent years. The rubber pads and rubber damping elements used in rail vehicles have good vibration damping characteristics, ease various interactions between vehicles and lines, provide a certain degree of lateral stiffness, reduce vibration and impact, and are important for improving vehicle stability and Safe operation is guaranteed. [0003] Rubber pads are usually used in the primary suspension and secondary suspension of rail vehicle bogies. The rubber pads have the function of vertical vibration reduction. longitudinal and transverse stiffness requirements. [0004] The transverse and longitudinal stiffness provided by the existi...

Claims

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Application Information

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IPC IPC(8): F16F1/387B61F5/08B61F5/30
CPCF16F1/387B61F5/08B61F5/305F16F1/3615F16F1/3835F16F2228/06
Inventor 颉跟虎周承龙王振林立钿冯万盛林胜荣继刚
Owner ZHUZHOU TIMES NEW MATERIALS TECH