WO2008043248A1 - Roue d'amortissement - Google Patents

Roue d'amortissement Download PDF

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Publication number
WO2008043248A1
WO2008043248A1 PCT/CN2007/002699 CN2007002699W WO2008043248A1 WO 2008043248 A1 WO2008043248 A1 WO 2008043248A1 CN 2007002699 W CN2007002699 W CN 2007002699W WO 2008043248 A1 WO2008043248 A1 WO 2008043248A1
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WO
WIPO (PCT)
Prior art keywords
damping
wheel
vibration
restraining
rib
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2007/002699
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English (en)
Chinese (zh)
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WO2008043248A8 (fr
Inventor
Xuejun Yin
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2008043248A1 publication Critical patent/WO2008043248A1/fr
Publication of WO2008043248A8 publication Critical patent/WO2008043248A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0006—Construction of wheel bodies, e.g. disc wheels
    • B60B17/0013—Construction of wheel bodies, e.g. disc wheels formed by two or more axially spaced discs
    • B60B17/0017—Construction of wheel bodies, e.g. disc wheels formed by two or more axially spaced discs with insonorisation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0065—Flange details
    • B60B17/0068—Flange details the flange being provided on a single side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal

Definitions

  • the present invention relates to components for rail vehicles, and more particularly to a vehicle wheel that runs on rails such as railways, subways, urban railways, elevated light rails, and high-speed railways. Background technique
  • the constraining layer is made of a material having a substantially uniform thickness, and the effective working area of the damping material is only the actual area covered by the wheel, and thus such technical solutions are
  • the size of the non-working surface of the wheel is severely restricted, and the vibration and noise reduction effects that can be achieved are also very limited, so that such a wheel is difficult to achieve the desired vibration and noise reduction effect.
  • the object of the present invention is to overcome the above-mentioned drawbacks, and provide a vibration-damping wheel whose surface area is subjected to shear deformation and whose actual working area is larger than the surface area of the wheel covered, which can absorb vibration energy quickly and effectively, relieves self and track wear, and prolongs service life. .
  • the invention is realized by the invention, comprising: a wheel body, a connecting body with a rib or a convex-concave structure is fixedly disposed on the non-working surface of the wheel body, and the inner surface of the restraining body corresponding to the connecting body has a rib structure or a concave-convex structure, the damping body It is disposed between the connecting body and the binding body or between the connecting body, the wheel body and the binding body.
  • the connecting body may be a separate rib or a plate with a rib or a concave-convex structure on the surface, and the fixed connection between the connecting body and the wheel body may be welding, riveting, bonding, card slot, fastener or tight
  • the firmware is connected and guaranteed to have sufficient strength and joint stiffness.
  • the connecting body may also be part of the wheel body itself, for example, when the wheel is manufactured, the rib is directly formed on the surface of the spoke; the damping body may be arranged continuously between the connecting body and the restraining body, or may be spaced apart.
  • the material stiffness of the joint body and the restraint body is greater than the stiffness of the damping material
  • the material of the damping body may be a solid damping material or a liquid damping material.
  • Commonly used solid damping materials include modified asphalt, high damping polyurethane, high damping rubber, soft metal lead tin, etc.
  • Commonly used liquid damping materials include silicone oil and modified damping asphalt which becomes liquid at working temperature.
  • the damping body of the present invention further comprises a synthetic material obtained by adding other additives to the damping material as a base, such as adding short fibers and cloud powder to increase the internal damping of the damping material; adding rubber powder can increase the elasticity of the material; adding metal Fiber can increase the thermal conductivity of the material.
  • damping bodies can also achieve good vibration and noise reduction effects.
  • a liquid damping material When a liquid damping material is used, the periphery of the damping layer is sealed, and a spacer for maintaining the thickness of the damping layer may be disposed in the middle.
  • the thickness of the damping body in the normal direction of each convex-concave structure surface is smaller than that of other directions, and the total area of the single side of the damping body is larger than the surface area of the wheel covered by the damping body.
  • the rib or convex-concave structure extends in a direction substantially perpendicular to the bending peaks of the main curved undulations of the wheel body, preferably circumferentially or/and radially along the wheel side.
  • the cross-sectional shape of the convex portion or the groove portion in the rib or convex W structure may be an arc shape, a trapezoidal shape, a triangular shape, a rectangular shape, a meander shape, an L shape, an arch shape, a watt shape or a wave shape.
  • a cavity or a sandwich structure may be arranged on the connecting body or/and the restraining body, and a damping material, a sound absorbing material and a foaming are arranged in the cavity.
  • the constraining damping structure composed of the connecting body, the damping body and the restraining body is disposed on one side or both sides of the wheel body, and may be provided with multiple layers, and the constraining structure in different constrained damping structures
  • the rib extension directions are parallel or perpendicular to each other. It is also possible to provide reinforcing ribs between adjacent ribs on the constraining body in the same layer or different constraining damping structures in which the rib extending directions intersect each other in the same layer.
  • the ribs of the binding body are continuously arranged to preferentially ensure the constraint.
  • the restraining stiffness of the body, preferably the rib extensions of the different restraining body damping structures are perpendicular to each other.
  • the damping coefficient of the constrained damping structure layer is high in the present invention, in many cases, only one side can achieve a good vibration damping effect, and the cost can be effectively saved.
  • the constraining damping structure composed of the connecting body, the damping body and the restraining body is disposed on both sides of the wheel body, the extending directions of the ribs of the constraining structure in the two-sided constraining damping structure may be parallel to each other or may be perpendicular to each other.
  • the constraining structure is locked to the wheel body by fasteners, rivets, bonds, elastic clips, or the locking structure is locked to the wheel body by a card slot or a retaining edge formed on the rail, or by a high elastic adhesive Or a high-strength damping material firmly bonds the constraining structure to the wheel surface.
  • the invention greatly increases the effective contact with the damping body by providing a connecting body between the wheel body and the damping body, and using the convex-concave structure provided on the connecting body or the convex-concave structure combined with the wheel body to cooperate with the binding body.
  • the area, the actual working area of the damping body subjected to shear deformation is significantly increased, so that the damping body can absorb the vibration energy of the wheel more effectively, reduce the rolling noise generated by the wheel, and then control the vibration and noise of the wheel from the source.
  • it effectively reduces the rail and wheel wear caused by the vibration release energy of the wheel, thereby obtaining good vibration and noise reduction effects, greatly improving the service life of the wheel and the track and the safety and comfort of the train operation.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a second schematic view of the structure of the present invention.
  • Figure 3 is a third schematic view of the structure of the present invention.
  • Figure 4 is a fourth schematic view of the structure of the present invention.
  • Figure 5 is a fifth schematic view of the structure of the present invention.
  • Fig. 6 is an enlarged view of a portion A of Fig. 5.
  • Figure 7 is a sixth schematic view of the structure of the present invention.
  • Figure 8 is a seventh schematic view of the structure of the present invention.
  • Figure 9 is a schematic view of the structure of the present invention.
  • Figure 10 is a schematic view of the structure of the present invention.
  • Fig. 11 is an enlarged view of a portion B of Fig. 10.
  • Figure 12 is a schematic view of the structure of the present invention.
  • Figure 13 is a perspective view of the structure of the present invention.
  • Figure 14 is a schematic view of the structure of the present invention.
  • Figure 15 is a thirteenth structural diagram of the present invention.
  • Figure 16 is the picture of Figure 15! ) enlarged view.
  • Figure 17 is a cross-sectional view taken along line E-E of Figure 1.
  • Figure 18 is a fourteenth structural diagram of the present invention.
  • Figure 19 is a fifteenth view of the structure of the present invention.
  • Figure 20 is a sixteenth structural diagram of the present invention. detailed description
  • the vibration damping wheel of the present invention comprises a wheel body 1, a damping body 2 made of high damping rubber, and an aluminum restraining body 3, and aluminum is further disposed between the wheel body 1 and the damping body 2.
  • the connecting body 4, the above structures are respectively disposed on the non-working surfaces on both sides of the wheel body 1.
  • the connecting body 4 and the damping body 2 are provided with a trapezoidal rib 5 on the side adjacent to the damping body 2, and a side of the binding body 3 adjacent to the damping body 2 is provided with a trapezoidal rib 6 which is interlaced with the connecting body trapezoidal rib 5, and the damping body 2
  • the connecting body 4 and the restraining body 3 are vulcanized into one body by the high damping rubber of the damping body 2 in the fitting gap of the connecting body 4 and the restraining body 3. Then, the integrated constraining damping structure composed of the connecting body, the damping body and the restraining body is fixed and adhered to the wheel body by using high-strength adhesive.
  • the damper body 2, the restraining body 3 and the connecting body are continuously disposed along the side wall of the wheel body 1, and the ribs of the restraining body 3 and the connecting body also extend circumferentially.
  • the main mode shape (vibration mode) of the wheel is the column wave bending and the radial bending in the circumferential direction.
  • the embodiment of the present invention mainly exemplifies the ring vibration mode, so the binding body 3 in this embodiment
  • the rib of the connecting body 4 extends in the direction of the ring.
  • the vibration is transmitted to the damping body 1 and the restraining body 3 through the connecting body 4 of the rigid material. Due to the constraint of the restraining body, the damping body 2 is forced to produce shearing. Deformation, the damping body 2 has a resistance opposite to the deformation direction due to its damping characteristics. Force, the mechanical energy generated by vibration is converted into heat energy dissipation in a wide frequency range.
  • the contact and action area of the damping material with the connecting body and the binding body is much larger than the surface area of the wheel body of the covered portion, and the damping force is applied to the curved neutral surface of the wheel body.
  • the acting moment, the damping force generated by the damping body 2 is greatly increased, so that it absorbs the vibration energy more quickly and effectively, and effectively reduces the vibration strength of the wheel.
  • a flange 17 is provided on the wheel body, and the flange is directly formed on the wheel body, and may of course be formed by welding or bonding, and may be continuous or intermittent. Since the control is carried out from the source, the noise generated by the vibration and the resulting wear of the wheel and the track are also greatly reduced, so that the service life of the wheel and the track and the comfort and safety of the train operation are greatly improved.
  • the constraining damping structure composed of the connecting body, the damping body and the restraining body may be disposed on a part of the non-working surface of the wheel or even on all non-working surfaces, and may be disposed on both sides of the wheel, or only Set on one side.
  • the connecting body and the restraining body should give priority to the selection of the profile of the same molding process.
  • the aluminum profile which is integrally die-casted in this embodiment is firm and beautiful, accurate in size and light in weight.
  • the constrained damping structure is preferably disc-shaped, and the ribs on the connecting body and the constraining body are disposed in a circumferential direction.
  • the cross-sectional shape of the rib in addition to the trapezoid, it may be curved, triangular, rectangular, T-shaped, L-shaped, arch-shaped, tile-shaped or wavy, and the like, and a good effect can be achieved.
  • the connecting body and the wheel body In order to ensure that the vibration can be transmitted in time, the connecting body and the wheel body must be tightly and firmly connected together.
  • the vibration-damping wheel of the present invention comprises a wheel body 1, a damping body 2 composed of a modified damping asphalt which is liquid at a working temperature, and an aluminum alloy plate restraint 3, which is further disposed between the wheel body 1 and the damping body 2.
  • the connecting body 4 made of an aluminum alloy material is provided, and the connecting body 4 is riveted at a plurality of points or firmly connected to both sides of the wheel body 1 and the hub by a lead-tin alloy multi-point plug welding.
  • the outer surface of the connecting body 4 has a triangular rib 5, and the side of the constraining body 3 adjacent to the damping body 2 has a triangular rib 6 which is alternately engaged with the rib 5.
  • the damping body 2 is disposed in the fitting gap between the connecting body 4 and the restraining body 3, and the three are integrally connected by a plurality of fasteners (not shown).
  • the damper body 2, the restraining body 3 and the connecting body 4 are spaced apart along the side wall of the wheel body 1. .
  • the lead-tin alloy may be cast on the open end of the damping structure, and after it is cured, the sealing layer 10 is formed to close the damping body layer chamber.
  • the vibration-damping wheel of the present invention comprises a wheel body 1, a damping body 2 made of solid high-damping polyurethane, and a binding body 3 formed by injection molding of engineering plastic, and rigidity is also provided between the wheel body 1 and the damping body 1.
  • the connecting body 4 is a plurality of "L" shaped metal rings with rectangular ribs 5 fixed to the wheel body 1 by fasteners 18, and the side of the restraining body 3 adjacent to the damping body 1 There are rectangular ribs 6 that are interdigitated with the rectangular ribs 5.
  • the damper body 2 is filled in the fitting gap of the wheel body 1, the connecting body 4, and the restraining body 3.
  • the ribs of the restraining body 3 and the connecting body 4 are disposed in a circumferential direction perpendicular to the side wall of the wheel body 1.
  • the vibration-damping wheel of the present invention comprises a wheel body 1, a constraining body 3 made of FRP material, an aluminum plate as a connecting body 4 and a ring-shaped rib 5 having a rectangular cross section of aluminum welded thereon, convex
  • the rib 5 is matched with the rectangular rib 6 provided on the restraining body 3, and a solid modified asphalt added with fibers is disposed between the connecting body 4 and the restraining body 3 as the damper body 2, and the above-mentioned constraint damping is performed by using a high-strength damping material.
  • the structural bond is fixed to the surface of the spoke of the wheel body.
  • the bonding layer should be as thin as possible to ensure high bonding rigidity.
  • an additional layer of damping is added while ensuring the joint strength and the joint rigidity, thereby improving the damping of the rail.
  • the vibration damping wheel of the present invention comprises a wheel body 1, a damping body 1 composed of silicone oil and a color steel plate restraining body 3, and a steel connecting body is further disposed between the wheel body 1 and the damping body 2. 4.
  • the constraining damping structure composed of the connecting body, the damping body and the restraining body is welded and fixed on the wheel body 1.
  • the connecting body 4 and the damping body 2 are provided with a rectangular rib 5 on the side adjacent to the damping body 2, and the adjacent side of the binding body 3 and the damping body 2 are provided with a rectangular rib 6 which is interlaced with the rectangular rib 5 of the connecting body, and is convex.
  • Both the rib 5 and the rib 6 are provided with a cavity, and the cavity is filled with iron sand as the damping body 8 in the cavity.
  • the lead water can be sealed at the open end and solidified after sealing (not shown) Out).
  • the damping body 2 is disposed in the matching gap of the connecting body 4 and the binding body 3, and a distance fixing member 7 for holding the thickness of the damping layer is disposed in the fitting gap, and a sealing layer 10 for preventing leakage of the liquid damping material is disposed at the end surface. And the connecting body and the binding body are fixed together by the sealing layer material.
  • the method of setting the cavity is often adopted, but the air inside the cavity is easy to resonate and amplify certain frequencies, so in this embodiment, it is empty.
  • Some specific materials are placed in the cavity to prevent the occurrence of symbiosis.
  • the present embodiment is not suitable because the centrifugal force is large, the bulk material is easily distributed unevenly, and eccentricity is formed.
  • a sound absorbing material may be disposed in the cavity to absorb the acoustic energy in the cavity, or a foaming material may be disposed to make it unable to resonate. If the damping material is provided, in addition to preventing air resonance, additional damping is provided, which is advantageous for further reduction. The vibration of the wheel can achieve good results.
  • the vibration-damping wheel of the present invention directly adheres the hollow annular connecting body 4 to the wheel body 1 at a certain interval by using a high-strength adhesive, and the connecting body 4 cooperates with the restraining body 3 in the wheel body 1
  • a damping body 2 of a high damping epoxy polyurethane material is disposed between the connecting body 4 and the restraining body 3, and the restraining body 3 is fixed to the wheel body 1 by a riveting bolt (not shown) while being connected to the wheel body 4.
  • a foaming material 9 is disposed in the cavity.
  • the adhesive used must have a stiffness after curing which is greater than the stiffness of the material of the damper.
  • the connection between the connector and the wheel body can also be directly soldered if the process permits.
  • the vibration-damping wheel of the present invention directly processes an annular rib as a connecting body 4 when machining the wheel body 1, and the rib is interlaced with the rib 6 on the iron-bound body 3, and short fibers are added.
  • a damping body 2 composed of a high damping rubber is disposed between the restraining body and the wheel body, and the restraining body and the wheel body are vulcanized and coupled by the damping body layer.
  • the connecting body and the wheel body are rolled and formed together, the bonding material is omitted, the joint strength and rigidity are large, and the restraining structure is not easy to fall off, and is safe and reliable.
  • the vibration damping wheel of the present invention is different from the seventh embodiment in that, in order to increase the rigidity of the binding body, the binding body adopts an aluminum rib plate 3a, a honeycomb plate 3b, and a flat plate 3c to form an integrated sandwich structure. .
  • the sandwich structure can achieve greater stiffness with the same amount of material, strengthen the constraints, and achieve weight reduction.
  • the difference between the present embodiment and the first embodiment is that the constraining damping structure composed of the connecting body 4, the damping body 2, and the restraining body 3 attached to the wheel body 1 is provided with two layers, and It is fixed to the wheel body by a lock bolt (not shown). Since this structure further enlarges the actual working area of the damping material subjected to the shearing force, the vibration and noise reduction performance is more remarkable.
  • the constrained damping structure provided on the wheel body can also exceed two layers.
  • the present embodiment differs from the embodiment 9 in that the connecting body and the restraining body located in the middle of the two-layer constrained damping structure are integrated to form an intermediate restraint body 15 having ribs on both sides. This can reduce the joining process of the constrained damping structure, save the bonding material, and increase the strength of the system.
  • the difference between this embodiment and the embodiment 9 is that the rib directions of the adjacent constrained damping structure layers are changed from being arranged in parallel to each other to be perpendicular to each other. That is, the direction of the rib of the damping structure layer is arranged close to the wheel body 1 side, and the direction of the rib of the outer constraining damping structure layer is set radially.
  • the rib directions of the constrained damping structures disposed on both sides of the wheel can also be arranged in a mutually perpendicular form, that is, one side is disposed radially along the other side of the ring, whether it is a single layer or multiple layers, Can have a very good effect.
  • the damping wheel of the present invention is fixedly disposed on the wheel body 1 with a retaining edge 16 for restraining damping of the connecting body 4, the damping body 2 and the restraining body 3 by using a retaining groove formed on the wheel surface.
  • the structure is firmly fixed to the surface of the wheel body.
  • a rib of a constrained damping structure Straight to the inside of the wheel, extending along the hoop; the other rib of the constraining damping structure is perpendicular to the wheel web, extends in the hoop direction, and is only disposed to the middle or 2/3 of the side of the spoke. This arrangement achieves the best results when the wheel weight is limited.
  • the flange 17 is directly processed thereon, and the thin steel plate which is rolled with corrugated ribs is used as the connecting body 4 and the restraining body 3, and the lead-tin alloy is used.
  • the damping body 2 is disposed in the gap between the connecting body 4 and the restraining body 3, and connects the two together.
  • the above-mentioned constrained damping structure is pressed into the flange 17 and pressed tightly with the wheel body.
  • the contact surface of the connecting body 4 and the wheel body 1 can also be brushed. High-strength damping material for a stronger connection between the two.
  • the foamed material 9 is filled in the corrugated cavity of the connecting body 4 to further absorb vibration noise.
  • a flat plate may be attached to the outer side of the restraining body corrugated board, and the two may be integrated by electric resistance welding or high-strength damping material.
  • the steel plate is used as the connecting body and the restraining body, and the stamping or rolling forming can be performed in large quantities, the cost is low, the joint rigidity and the restraining rigidity are large, and thus the damping is also high.
  • the radial setting is crossed.
  • the auxiliary constraining damping structure composed of the connecting body 4a, the damping body 2a, and the restraining body 3a.
  • the ribs of the bundle body 3 and the restraining body 3a are welded together to keep the ribs of the restraint continuous.
  • the hoop and radial ribs of the constraining body are preferentially kept continuous, the ribs of the connecting body are properly interrupted, and the damping material is filled around the connecting body ribs. .
  • the wheel body 1 is integrally and intermittently provided with a circumferentially extending protrusion, which is regarded as a connecting body 4, and the binding body 3 is a disk with a corresponding groove, and the binding body 3 is buckled. It is placed on the connecting body 4, and the damping body 2 is disposed in the gap between the two.
  • the restraining body 3 is locked to the wheel body 1 by means of a flange (not shown) provided on the wheel wheel.
  • the constraining body has a circumferentially extending rib, and also has a radial rib, its radial convexity.
  • the ribs can be used as the ribs 25 to increase the rigidity of the restraint and limit the radial vibration of the wheel.
  • reinforcing ribs can also be arranged on the outer side of the restraining body. For the sake of aesthetics, for the restraining body with the cavity, the reinforcing rib can be arranged in the cavity, and the good effect can also be achieved.
  • the main difference between this embodiment and the embodiment 15 is that the extending direction of the connecting body 4 is a radial direction.
  • the constrained damping structure constituted by the restraining body 3, the damper body 2 and the connecting body 4 shown in this example is more suitable for simultaneously controlling the radial vibration of the wheel body 1.
  • the wheel webs in the form of flat plates are described.
  • the present invention is equally applicable to the wheels with curved surfaces, and it is only necessary to make the connecting surface of the connecting body or/and the binding body and the wheel web into a spoke.
  • the corresponding shape of the plate surface can be.
  • the rib of the constrained damping structure extends mainly in the circumferential direction, and is directed to the circumferential cylindrical wave vibration mode of the wheel.
  • the radial vibration mode of the wheel is also relatively obvious, it is preferable to adopt an embodiment. 11. In the embodiment 14 or the embodiment 16, the vibration damping effect is more remarkable.
  • the vibration damping wheel structure of the invention has the advantages of good vibration and noise reduction, long service life, good economic and environmental protection effects, and can be widely applied to vehicles running on rails, subways, urban railways, elevated light rails, high-speed railways and the like.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Vibration Dampers (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne une roue d'amortissement comprenant un corps (1). Un connecteur (4) pourvu de rainures ou d'une structure concexo-concave est formé dans la surface non filetée du corps de la roue. La surface interne d'un restricteur (3) correspondant au connecteur (4) est pourvue de rainures ou d'une structure concave-convexe. Un amortisseur (2) est disposé entre le connecteur (4) et le restricteur (3) ou entre le connecteur (4), le corps de la roue (1) et le restricteur (3). La roue d'amortissement de l'invention permet de réduire les vibrations sonores dues au roulement de la roue, de même que l'usure de la roue et de la voie, ceci demanière efficace.
PCT/CN2007/002699 2006-09-21 2007-09-12 Roue d'amortissement Ceased WO2008043248A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2006100483178A CN100544972C (zh) 2006-09-21 2006-09-21 减振车轮
CN200610048317.8 2006-09-21

Publications (2)

Publication Number Publication Date
WO2008043248A1 true WO2008043248A1 (fr) 2008-04-17
WO2008043248A8 WO2008043248A8 (fr) 2008-07-03

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PCT/CN2007/002699 Ceased WO2008043248A1 (fr) 2006-09-21 2007-09-12 Roue d'amortissement

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CN (1) CN100544972C (fr)
WO (1) WO2008043248A1 (fr)

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CN110941879A (zh) * 2019-11-25 2020-03-31 上海理工大学 一种考虑连接性的三明治阻尼复合结构拓扑优化设计方法
CN112555337A (zh) * 2020-12-01 2021-03-26 中船重工西安东仪科工集团有限公司 一种深水换能器基阵用减震降噪结构及安装方法

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CN101101038B (zh) * 2006-07-06 2011-03-23 尹学军 一种阻尼结构及复合材料
DE102010053218B9 (de) * 2010-12-03 2014-04-17 Bochumer Verein Verkehrstechnik Gmbh Schienenrad
CN104989761B (zh) * 2015-07-09 2018-01-02 北京电力自动化设备有限公司 一种弹性支撑结构
CN104972827A (zh) * 2015-07-13 2015-10-14 西南交通大学 列车阻尼车轮
CN109624599B (zh) * 2018-11-28 2021-09-03 西安工业大学 轨道交通防失效弹性车轮
CN115972813B (zh) * 2022-12-15 2026-03-31 株洲九方装备股份有限公司 一种轨道车辆弹性车轮

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