CN212332273U

CN212332273U - Elastic wheel capable of preventing relative displacement between wheel rim and wheel core

Info

Publication number: CN212332273U
Application number: CN201922464377.3U
Authority: CN
Inventors: 吕文博; 杨冠男; 彭丽军
Original assignee: ZHUZHOU GOFRONT EQUIPMENT CO LTD
Current assignee: ZHUZHOU GOFRONT EQUIPMENT CO LTD
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-01-12
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a prevent that wheel rim and wheel core from taking place relative displacement's elasticity wheel through the contact surface sand blasting or the coating at wheel core, wheel rim and clamping ring and damping element rubber circle, increases the frictional force of metalwork and rubber circle, ensures that the wheel does not take place permanent relative displacement at the in-process of traveling. The utility model discloses used coating adhesive force is strong, and the water proofness is excellent, has anticorrosive, rust-resistant effect, and can satisfy the frictional force requirement of elasticity wheel.

Description

Elastic wheel capable of preventing relative displacement between wheel rim and wheel core

Technical Field

The utility model relates to an urban rail elasticity wheel technical field, more specifically relates to a prevent that wheel band and wheel core from taking place relative displacement's elasticity wheel.

Background

The elastic wheel is a split wheel applied to rail locomotive vehicles, and the wheel rim is elastically supported on the wheel by the elastic element, so that the curve noise can be effectively reduced, the rail impact can be reduced, the abrasion of the wheel rail can be reduced, and the service life of the line vehicle can be prolonged. According to the main stress condition of the rubber element, the structural form of the elastic wheel can be divided into 3 types: compression type, shear type and compression-shear composite type. The pressure-shear composite elastic wheel can bear shear and can bear pressure, is simple in structure, convenient to install and maintain, saves maintenance time and cost, and is universal in use. However, when the elastic wheel is subjected to a large axle weight, the rubber element may creep, causing displacement of the rim and the core. In patent application No. CN201710049578X, a method for preventing rubber ring of elastic wheel from creeping and an elastic wheel are provided, a groove is arranged on the contact surface of a wheel core, so that the filling volume of rubber is increased, the interface friction is increased, and the phenomenon of slowness or creeping in operation is prevented. However, due to the surface smoothness problem of the metal part, the friction force between the rubber and the metal part at the position is changed greatly, the friction force value is unstable, the stability of the product quality cannot be ensured, and the wheel band and the wheel core still generate permanent relative displacement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the not enough of elasticity wheel metalwork and elasticity damping element's frictional force, provide one kind and prevent that wheel rim and wheel core from taking place relative displacement's elasticity wheel.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a prevent that wheel rim and wheel core from taking place relative displacement's elasticity wheel, includes wheel core, damping component, wheel rim and clamping ring, the damping component is installed between wheel core and wheel rim, and the clamping ring is fixed on the wheel core, and damping component and wheel core, wheel rim and clamping ring contact are equipped with the anti-skidding coating that increases frictional force on its contact surface.

Furthermore, the vibration reduction element is a rubber ring, the cross section of the vibration reduction element is of a V-shaped structure, the two inclined edges are in contact with the wheel rim, the wheel core and the pressure ring, the space of the side face of the wheel can be widely utilized, the reasonable distribution of the compressive stress and the shear stress can be changed along with the size of the inclination angle of the rubber ring, and the axial rigidity and the radial rigidity can achieve the expected optimal matching.

Furthermore, the anti-skid layer is formed by performing sand blasting treatment on the surfaces of the wheel core, the wheel rim and the pressure ring which are in contact with the vibration reduction element, so that the corrosion on the metal surface can be cleaned, the coating is prevented from falling off, and the adhesion of the coating is improved.

Further, the surface roughness of the wheel core, the wheel rim and the pressing ring after sand blasting is not less than Ra 25.

Further, the anti-slip layer may also be an anti-slip material coated on the surface that the damping element contacts.

Further, the anti-slip material comprises epoxy paint or polyvinyl butyral. Preferably, the epoxy paint is an 85% zinc-rich epoxy paint or a 92% zinc-rich epoxy primer.

Further, the thickness of the anti-skid coating is 20-40 mu m.

Compared with the prior art, the beneficial effects are:

the utility model discloses a contact surface at wheel core, wheel rim, clamping ring and damping element rubber circle is equipped with the coating of one deck increase frictional force, ensures that the wheel does not take place permanent relative displacement at the in-process of traveling. The utility model discloses a coating can be the sandblast layer, also can form great coefficient of friction at the contact surface of damping component and metalwork for epoxy paint or polyvinyl butyral, guarantees the stability of the frictional force of damping component and metalwork. The utility model discloses used coating adhesive force is strong, and the water proofness is excellent, has anticorrosive, rust-resistant effect, and can satisfy the frictional force requirement of elasticity wheel.

Drawings

FIG. 1 is a schematic view of a resilient wheel construction;

FIG. 2 is a schematic view of a wheel core and rubber contact surface coating;

FIG. 3 is a schematic view of a press ring and rubber contact surface coating;

FIG. 4 is a schematic representation of a tire and rubber contact surface coating.

Detailed Description

The following examples are further explained and illustrated, but the specific examples are not intended to limit the present invention in any way. Unless otherwise indicated, the methods and equipment used in the examples are conventional in the art and all materials used are conventional commercially available materials.

Example 1

The utility model provides a prevent that wheel rim and wheel core from taking place relative displacement's elasticity wheel, includes wheel core, rubber circle, wheel rim and clamping ring, the transversal "V" shape structure of personally submitting of rubber circle installs between wheel core and wheel rim, "V" type structure two hypotenuses and wheel rim, wheel core and clamping ring contact, and the clamping ring is fixed on the wheel core, is equipped with the skid resistant course that increases frictional force on damping element and the contact surface of wheel core, wheel rim and clamping ring. The skid resistant layer is in the surface sand blasting of wheel core, wheel hoop and the clamping ring with rubber circle contact, and its surface roughness is not less than Ra 25.

Example 2

The utility model provides a prevent that wheel rim and wheel core from taking place relative displacement's elasticity wheel, includes wheel core, rubber circle, wheel rim and clamping ring, the transversal "V" shape structure of personally submitting of rubber circle installs between wheel core and wheel rim, "V" type structure two hypotenuses and wheel rim, wheel core and clamping ring contact, and the clamping ring is fixed on the wheel core, is equipped with the skid resistant course that increases frictional force on damping element and the contact surface of wheel core, wheel rim and clamping ring. The anti-slip layer is formed by coating a layer of epoxy paint with the thickness of 20-40 mu m on the surfaces of the wheel core, the wheel rim and the pressure ring which are in contact with the rubber ring, wherein the epoxy paint is 85% of zinc-rich epoxy paint or 92% of zinc-rich epoxy primer.

Example 3

The utility model provides a prevent that wheel rim and wheel core from taking place relative displacement's elasticity wheel, includes wheel core, rubber circle, wheel rim and clamping ring, the transversal "V" shape structure of personally submitting of rubber circle installs between wheel core and wheel rim, "V" type structure two hypotenuses and wheel rim, wheel core and clamping ring contact, and the clamping ring is fixed on the wheel core, is equipped with the skid resistant course that increases frictional force on damping element and the contact surface of wheel core, wheel rim and clamping ring. The anti-slip layer is formed by coating a layer of polyvinyl butyral with the thickness of 20-40 mu m on the surfaces of the wheel core, the wheel rim and the pressure ring which are in contact with the rubber ring.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a prevent that wheel rim and wheel core from taking place relative displacement's elasticity wheel, its characterized in that, includes wheel core, damping component, wheel rim and clamping ring, the damping component is installed between wheel core and wheel rim, and the clamping ring is fixed on the wheel core, and damping component and wheel core, wheel rim and clamping ring contact are equipped with the skid resistant course that increases frictional force on its contact surface.

2. The resilient wheel for preventing relative displacement between a tire and a wheel core as claimed in claim 1, wherein the damping member is a rubber ring.

3. The elastic wheel for preventing the relative displacement of the wheel rim and the wheel core as claimed in claim 1 or 2, wherein the damping element is of a V-shaped cross section, and two inclined edges are in contact with the wheel rim, the wheel core and the pressing ring.

4. The resilient wheel for preventing relative displacement of a tire and a wheel core according to claim 1, wherein the anti-slip layer is sand-blasted on the surfaces of the wheel core, the tire, and the pressure ring which are in contact with the vibration damping member.

5. The resilient wheel for preventing relative displacement of the tire and the wheel core as claimed in claim 4, wherein the surface roughness of the wheel core, the tire and the pressing ring after sand blasting is not less than Ra 25.

6. A resilient wheel for preventing relative displacement between a tire and a wheel core as claimed in claim 1, wherein said anti-slip layer is further an anti-slip material applied to the surface of the damping member in contact therewith.

7. The resilient wheel for preventing relative displacement between a tire and a wheel core as claimed in claim 6, wherein the anti-slip material comprises epoxy paint or polyvinyl butyral.

8. The elastic wheel for preventing relative displacement between a wheel rim and a wheel core as claimed in claim 1, wherein the thickness of the anti-slip layer is 20 to 40 μm.