CN103335061A

CN103335061A - Wheel vibration absorber

Info

Publication number: CN103335061A
Application number: CN2013102877367A
Authority: CN
Inventors: 尹学军; 孔祥斐; 付学智
Original assignee: QINGZHOU CREATE HEAVY INDUSTRY Co Ltd; QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY CO LTD
Current assignee: QINGZHOU CREATE HEAVY INDUSTRY Co Ltd; QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY CO LTD
Priority date: 2013-07-10
Filing date: 2013-07-10
Publication date: 2013-10-02
Anticipated expiration: 2033-07-10
Also published as: CN103335061B

Abstract

The invention discloses a wheel vibration absorber which comprises an elastic element and a mass block. The wheel vibration absorber is characterized in that at least a connecting frame is included, the surface of a part, connected with the surface of a wheel non-working surface, of the connecting frame is the same as the surface corresponding to a wheel in shape, at least one vibration absorbing cavity is contained in the connecting frame, at least a local part of the mass block is arranged in the vibration absorbing cavity of the connecting frame, and the elastic element is arranged between the mass block and the cavity wall of the vibration absorbing cavity. The wheel vibration absorber is simple in structure, good in vibration and noise reduction, stable in performance, wide in applied frequency domain range, long in service life, excellent in cost performance, favorable to delaying abrasion on the wheel, and wide in market application prospects, and prolongs the service life of the wheel.

Description

The wheel bump leveller

Technical field

The invention belongs to vibration and the field of noise control of track traffic, relate in particular to a kind of shock-absorbing means that is arranged at wheel inoperative surface, is used for alleviating rail vehicle running unsteadiness of wheels and noise.

Background technique

In recent years, China's track traffic develop rapidly, when providing quick, safe trip mode to people, the vibration of its generation and noise problem have also had a strong impact on comfort level that the passenger takes and peripheral resident's quality of life, and stability, Security and the working life of wheel track itself also is affected.Therefore the noise that how to reduce between the wheel track becomes the problem that current industry is paid close attention to.

Wheel-rail noise when studies show that train operation is mainly the impact noise of wheel track surface imperfection formation and the rolling noise that the wheel track surface roughness forms, and the noise that screams of the formation of the friction creep between the wheel track.

In the industry wheel noise reduction has been taked a lot of measures at present, commonly used is to install rim lubricating device additional at vehicle or track, the wheel rim when reducing by curve and the sound that screams between the track; Perhaps change wheel into elastic wheel; Some new researchs are to be coated with damping material at the wheel former, paste damping fin.

The technology of domestic and international a kind of comparative maturity is that the wheel rim at wheel installs a damper or a noise reduction ring additional, and damper is to be formed by stacking by stacked conducting plate and damp film, is riveted together with stainless steel rivet, constitutes multi-freedom degree damping shock absorption system.The vibration-absorbing denoising frequency range that elasticity by regulating damp film and the boundary dimension of damping and sheet metal are regulated damper.But it installs complicated, inconvenient operation.

Chinese patent CN200620047561.8 discloses a kind of noise reduction wheel, what wherein adopt namely is the noise reduction ring, the noise reduction ring is embedded in the circular groove of offering on the inner edge of one or both sides of wheel rim, yet this noise reduction ring is made by metallic material, be embedded in the circular groove after using the stack of some noise reductions ring, more complicated still during installation, and the assimilation effect of the dither energy that the locomotive of running at high speed is produced is limited, and noise reduction is not obvious.

In summary it can be seen that prior art scheme effect of vibration and noise reduction is limited, unstable properties, complex contour, the risk that comes off is bigger, and structure opening is influenced by dust, water, oil, installs and uses defectives such as complexity.Thereby, press on the market that a kind of simple, attractive in appearance, efficient, safety, weatherability are strong, the wheel shock-absorbing means of stable performance.

Summary of the invention

The objective of the invention is to overcome above-mentioned defective, provide that a kind of effect of vibration and noise reduction is good, weatherability is strong, stable performance, be suitable for frequency domain wide, easy for installation, use safety, long wheel bump leveller of life-span.

Wheel bump leveller of the present invention is to realize like this, a kind of wheel bump leveller, comprise elastic element and and mass block, it is characterized in that also comprising that at least one connects framework, it is identical with the shape on the corresponding surface of wheel with the surface configuration of wheel inoperative surface coupling part to connect framework, connect in the framework and comprise at least one absorbing chamber, mass block is local being arranged in the absorbing chamber that connects framework at least, is provided with elastic element between the chamber wall in mass block and absorbing chamber.

Preferably, radially or/and wheel is axially disposed between the chamber wall in mass block and absorbing chamber, perhaps elastic element is arranged between the chamber wall in mass block and absorbing chamber around mass block elastic element along wheel.

Described elastic element can be made of at least a in rubber, elastic polyurethane or the metal spring.Wherein, metal spring comprises dish spring, leaf spring and helical spring etc.; Rubber specifically can be neoprene, nitrile butadiene rubber etc.For the yielding support that guarantees that elastic element is in use remained valid to mass block all the time, can make the elastic element that arranges between mass block and chamber, the absorbing chamber wall be in its pre-compressed state, and the precompression displacement of elastic element when working greater than mass block with respect to the amplitude of chamber, absorbing chamber wall.Particularly for metal spring, in the process of manufacturing of the present invention with mass block and connect and all need to implement precompression when framework is assembled.

Wheel bump leveller of the present invention can also comprise damping member, and damping member is arranged between mass block and chamber, the absorbing chamber wall.Damping member can be made of the elastic spacer damping material; Damping member also can be made of the liquid damping material, when setting up liquid damping, and absorbing chamber complete closed, the liquid damping material is filled in the part space between mass block and chamber, the absorbing chamber wall.In order further to improve system damping, can also moving vane be set at mass block, chamber, absorbing chamber wall is provided with stator blade and cooperates with moving vane is staggered, is provided with the liquid damping material in adjacent stator blade and the part space between the moving vane.In addition, can also be at moving vane or/and stator blade arranges flow-disturbing hole or flow-disturbing convex-concave structure.Certainly, can also flow-disturbing hole or flow-disturbing convex-concave structure be set at mass block.

Assemble with wheel for convenience, can also be provided with connecting plate on the connection framework, connecting plate is provided with attachment hole.Also can claw structure be set at the connection framework.The draw-in groove structure can certainly be set, enumerate no longer one by one at this.Connect framework and be locked on wheel by fastening piece, or will connect framework by the draw-in groove on the wheel or retaining edge and be locked on the wheel, or will connect framework and the bonding one of wheel by binder or damping material.

In order to increase elastic element and to connect the reliability that is connected between framework and the mass block, the chamber wall surface that can also cooperate with elastic element in the absorbing chamber is strengthened structure or/and mass block is provided with to be connected with the matching surface of elastic element.Described connection is strengthened structure and is comprised surperficial convex-concave structure, surface knurling structure or surface galling structure.

When the quantity that connects absorbing chamber in the framework surpasses one, the absorbing chamber in connecting framework along radially being set up in parallel of wheel, or/and along axially being set up in parallel of wheel, or/and be set up in parallel along the circumferencial direction of wheel.

In addition, be noted that the connection framework of wheel bump leveller of the present invention is arranged on along the wheel circumference direction on the inoperative surface of wheel, the inoperative surface of wheel comprises outer surface, spoke surface and the wheel hub outer fringe surface of wheel rim inner edge.

Compared with prior art, wheel bump leveller of the present invention, with the quality of mass block and elastic element formation---spring system is arranged on and connects in the framework, has following advantage:

(1) connects framework confrontation gauge block, elastic element and damping member and form effective protection, good weatherability, anti-sealing, oil, dust enter, especially when using macromolecular material, prevent ozone and ultraviolet radiation damage macromolecular material, elastic material is difficult for taking place aging, can prolong the working life of product greatly;

(2) be not wrapped in the elastic element as prior art owing to mass block, only with elastic element series, therefore the selection range of elastic element is wider, the use of metal spring becomes possibility, can give full play to the metal spring good springiness, physical property is subjected to environmetal impacts such as temperature and humidity little, and damping property is efficient stable more, advantages such as long service life;

(3) except the mass tuning vibration damping, when mass block with when connecting framework greater than 1/2 wavelength of a model frequency, mass block and connection framework can produce effect of contraction to elastic element and damping member, the damping material between the two is sheared in relative deformation meeting between the two, realize extra shear deformation power consumption, so effectiveness in vibration suppression is more remarkable;

(4) wheel bump leveller of the present invention is structurally realized breaking through, to the restriction of elastic element still less, the selection range of elastic element is wide, can select elastic element instead of rubber such as metal spring, can evade the defective that existing rubber-like elastic element exists-as temperature sensitivity, so its parameter area that is suitable for is wideer, performance is more stable;

(5) because wheel surface can utilize the space very limited, mass block is not arranged on elastic element inside among the present invention, elastic element takes up room less, therefore bigger heavier mass block can be set under the same space condition, and then the effect of the tuning vibration damping that effectively improves the quality;

(6) elastic element, damping material, adhesive material can independently be realized characteristic optimizing separately, all can batch production produce in enormous quantities, and parameter is uniform and stable, and binding material is responsible for adhesion strength, and elastic material is responsible for frequency modulation, and energy dissipating is responsible in damping;

(7) elastic material is just in case ftracture, and the mass block in the wheel bump leveller can not come off yet, and is safe and reliable;

(8) elastic element about the mass block, about independent the setting, same mass block wheel radially with wheel axle to frequency can independently adjust, realize the tuning quality vibration damping at both direction;

Be finished product just when (9) the wheel bump leveller dispatches from the factory, can before dispatch from the factory, accurately measured and debug the frequency of okperation of product, need not field adjustable, only needed to paste, be installed or the fastening piece connection;

(10) if elastic element has precompression, even material ftractures, internal crack is arranged, the rigidity of elastic element and the frequency of okperation of bump leveller can not change.

To sum up, wheel bump leveller of the present invention simple in structure, effect of vibration and noise reduction is good, good weatherability, stable performance, it is wider, safe and reliable to be suitable for frequency domain, long service life, cost performance is very superior, be conducive to delay the wearing and tearing of wheel, prolong the working life of wheel, its market application foreground is very wide.

Description of drawings

Fig. 1 is the structural representation of wheel bump leveller of the present invention and uses one of schematic representation.

Fig. 2 is the structural representation of wheel bump leveller of the present invention and uses two of schematic representation.

Fig. 3 is one of A portion enlarged view among Fig. 1.

Fig. 4 is the structural representation of wheel bump leveller of the present invention and uses three of schematic representation.

Fig. 5 is the structural representation of wheel bump leveller of the present invention and uses four of schematic representation.

Fig. 6 is the structural representation of wheel bump leveller of the present invention and uses five of schematic representation.

Fig. 7 is the structural representation of wheel bump leveller of the present invention and uses six of schematic representation.

Fig. 8 is the structural representation of wheel bump leveller of the present invention and uses seven of schematic representation.

Fig. 9 is the structural representation of wheel bump leveller of the present invention and uses eight of schematic representation.

Figure 10 is the structural representation of wheel bump leveller of the present invention and uses nine of schematic representation.

Figure 11 is the structural representation of wheel bump leveller of the present invention and uses ten of schematic representation.

Figure 12 is the structural representation of wheel bump leveller of the present invention and uses 11 of schematic representation.

Figure 13 is one of B portion enlarged view of Figure 12.

Figure 14 be Figure 12 B portion enlarged view two.

Figure 15 is the structural representation of wheel bump leveller of the present invention and uses 12 of schematic representation.

Figure 16 is the structural representation of wheel bump leveller of the present invention and uses 13 of schematic representation.

Figure 17 is the structural representation of wheel bump leveller of the present invention and uses 14 of schematic representation.

Figure 18 is the structural representation of wheel bump leveller of the present invention and uses 15 of schematic representation.

Figure 19 is the structural representation of wheel bump leveller of the present invention and uses 16 of schematic representation.

Figure 20 is the structural representation of wheel bump leveller of the present invention and uses 17 of schematic representation.

Figure 21 is the structural representation of wheel bump leveller of the present invention and uses 18 of schematic representation.

Figure 22 is one of D portion enlarged view among Figure 21.

Figure 23 be among Figure 21 D portion enlarged view two.

Figure 24 be among Figure 21 D portion enlarged view three.

Figure 25 be among Figure 21 D portion enlarged view four.

Figure 26 is the structural representation of wheel bump leveller of the present invention and uses 19 of schematic representation.

Figure 27 is the structural representation of wheel bump leveller of the present invention and uses 20 of schematic representation.

Figure 28 is one of D portion enlarged view among Figure 27.

Figure 29 be among Figure 27 D portion enlarged view two.

Embodiment

Embodiment one

Wheel bump leveller of the present invention comprises elastic element 4 and mass block 3 as shown in Figure 1, comprises in addition connecting framework 2.The surface configuration of wheel rim, spoke coupling part that connects framework 2 and wheel 1 is identical with the corresponding surperficial shape of wheel, connect in the framework 2 and comprise an absorbing chamber 100, mass block 3 is arranged in the absorbing chamber 100 that connects framework 2, is provided with elastic element 4 between the chamber wall in mass block 3 and absorbing chamber 100.Concrete, elastic element 4 radially is arranged between mass block 3 and the absorbing chamber 100 chamber walls along wheel, connecting framework 2 is made by aluminum alloy material, elastic element 4 is made by rubber material, because rubber material has good damping characteristic, is the elastic spacer damping material of using always, therefore elastic element 4 also is damping member simultaneously, mass block 3 is iron block, wherein, elastic element 4 by sulfuration process respectively with mass block 3 with connect framework 2 and be fixed together.For increase elastic element and connect framework and mass block between the reliability that is connected, be respectively equipped with the part matching surface of elastic element at the part matching surface that connects framework and elastic element and mass block and be connected the reinforcement structure.Structure is strengthened in described connection, as shown in figures 1 and 3.Be specially and connect the convex-concave structure 31 that arranges on the convex-concave structure 30 that arranges on framework 2 respective surfaces and mass block 3 respective surfaces.

During application, as depicted in figs. 1 and 2, the wheel bump leveller is arranged to annular, along the wheel circumference direction utilize adhesive material with the bump leveller strong bond in the wheel respective surfaces, can finish the assembling of wheel bump leveller of the present invention and wheel.It should be noted that the wheel bump leveller is not to arrange continuously on wheel, as required, also can segmentation along the circumferential direction be arranged on the inoperative surface of wheel the compartment of terrain, also can realize good effect, this point is applicable to all technological schemes of the present invention, illustrates in the lump at this.Certainly, except bonding, all right fastening piece etc. are further strengthened fixed effect, all are related domain seating meanses commonly used, all in the protection domain that the present invention requires.When vibration takes place in wheel, quality---the spring tuning system that mass block and elastic element constitute, produce reaction force work done power consumption and make that the vibration of wheel is decayed rapidly, in addition, connect framework, also constitute the damping-constraining energy-dissipation structure between elastomer and the mass block, when mass block with when connecting framework greater than 1/2 wavelength of a model frequency, the mass block compression elastic element is to connecting in the process that framework moves, mass block and connection framework can produce effect of contraction to rubber material, the rubber material between the two is sheared in relative deformation meeting between the two, realize extra shear deformation power consumption, therefore can further improve the effect of oscillation damping and energy dissipating.In addition, because the decay of the vibrational energy of wheel is fast, its vibration noise radiation intensity also reduces rapidly accordingly, therefore wheel bump leveller of the present invention can be realized the favorable damping noise reduction, simultaneously, can effectively alleviate the wearing and tearing of wheel, prolong the working life of wheel.It is to be noted, in this example, though only radially be provided with elastic element 4 on mass block 3 upper and lower surfaces between the framework 1 with connecting along wheel, but since elastic element 4 at wheel axle to also having certain elasticity, so this routine described wheel bump leveller of the present invention can realize controlling simultaneously the radial and axial vibration of wheel.In the practical application, elasticity that can be by optimizing elastic element 4 and the gross weight of mass block 3 realize the control to the different frequency vibration, during use, the bump leveller of control different frequency vibration is arranged alternately on wheel inoperative surface gets final product.

The selection of elastic element, mass block and connection framework can be varied among the present invention, and for example, elastic element can adopt at least a formation in rubber, elastic polyurethane or the metal spring; Mass block can adopt the high materials of proportion such as steel, iron to make; Connecting framework can adopt high strength, corrosion-resistant materials such as stainless steel, aluminum alloy, glass fibre reinforced plastics to make.Certain concrete material difference according to elastic element, mass block and connection framework; elastic element can be different with the concrete technology that is connected of mass block and connection framework; for example can adopt that sulfuration, heat posted are closed, bonding or welding etc.; as long as the three firmly can be linked together; can both rise and want same effect, all among the protection domain that the present invention requires.In addition; according to elastic element; the concrete material difference of mass block and connection framework; also can only be connected with the matching surface setting of elastic element at the connection framework and strengthen structure; or only strengthen structure in being connected of arranging of mass block and the matching surface of elastic element; the concrete structure of surface convex-concave structure can be projection; pit; various forms such as continuous fin or continuous groove; the sectional shape of surface convex-concave structure can be rectangle; trapezoidal; circular arc; triangle; different shapes such as T font; connect and strengthen structure except the surperficial convex-concave structure of having mentioned; can also be structural types such as surface knurling structure or surface galling structure; also can realize good effect; description of drawings one by one; only describe with literal at this, all among the protection domain that the present invention requires.

Compared with prior art, wheel bump leveller of the present invention, with the quality of mass block and elastic element formation---spring system is arranged on to connect and forms bump leveller in the framework, and it has following advantage:

(6) elastic element, damping material, adhesive material can be independent, realizes characteristic optimizing separately, all can batch production produces in enormous quantities, parameter is uniform and stable.Binding material is responsible for adhesion strength, and elastic material is responsible for frequency modulation, and energy dissipating is responsible in damping;

In sum, wheel bump leveller of the present invention simple in structure, the vibration and noise reducing performance is good, and cost is low, long service life, the cost performance height is conducive to delay the wearing and tearing of wheel, prolongs the working life of wheel, and its market application foreground is very wide.

It is to be noted, preferably, make mass block 3 be in precompressed state with the elastic element 4 that connects setting between the framework 2 in the assembly process, its advantage is: ftracture, internal crack is arranged even constitute the material of elastic element on the one hand, the rigidity of elastic element and the frequency of okperation of bump leveller can not change; On the other hand, when being used for the control dither, the amplitude of mass block is less, and after precompression, the rigidity of elastic element is linear change, easier accurate design regulation and control; The 3rd, owing to implemented pretension, elastic material is just in case ftracture, and the mass block in the wheel bump leveller can not come off yet, and is safe and reliable.Elastic element can pretension among the present invention, and whether yet pretension not or not need not consider the spacing or fixing of elastic element during, and these characteristics are applicable to all embodiments of the present invention, illustrate in the lump at this, repeat no longer one by one among the embodiment of back.

Embodiment two

Wheel bump leveller of the present invention as shown in Figure 4, be with embodiment one difference, the elastic element 4 of bump leveller is arranged between the axial chamber wall surface of the corresponding wheel in mass block 3 and absorbing chamber 100 1, connecting framework 2 is made by glass fibre reinforced plastic material, elastic element 4 is made by the high damping elastane, mass block 3 is made by the steel material, and wherein, elastic element 4 is pasted by chemistry and is fixed together with mass block 3 and absorbing chamber 100 chamber walls respectively.In order to increase elastic element and to connect the reliability that is connected between framework and the mass block, be respectively equipped with the matching surface of elastic element at the matching surface that connects framework and elastic element and mass block and be connected the reinforcement structure, described connection reinforcement structure is specially the surface knurling structure 33 that arranges on the surface galling structure 32 that arranges on connection framework 2 respective surfaces and mass block 3 respective surfaces.Because the high damping elastane that elastic element 4 adopts also has good damping characteristic, also is one of elastic spacer damping material of using always, so elastic element 4 also is damping member simultaneously.In addition, elastic element 4 with mass block 3 and when connecting framework 2 and assembling by precompression, be in its pre-compressed state, and the precompression displacement of elastic element 4 during greater than mass block 3 work with respect to the amplitude of absorbing chamber 100 chamber walls.

Assembly method between this routine described technological scheme and the wheel and advantage and embodiment one are basic identical, no longer repeat at this.It is to be noted, in this routine described wheel bump leveller of the present invention, only be provided with elastic element 4 in mass block 3 left and right sides between the framework 1 with connecting, therefore this routine described wheel bump leveller of the present invention is mainly used in controlling wheel in axial vibration, and it also has certain control action to radially vibrating certainly.Compare with embodiment one, in this routine described technological scheme, because elastic element has been implemented precompression, even the cracking of the high damping elastane in the elastic element, internal crack is arranged, the frequency of okperation of the rigidity of elastic element and wheel bump leveller of the present invention can not change, and its damping property is more reliable and more stable.

In the practical application, can realize the control to the different frequency vibration by the elasticity of optimization elastic element 4 and the gross weight of mass block 3.During use, can be at a plurality of main vibration frequency of wheel, the wheel bump leveller of the present invention of control corresponding vibration frequency is arranged alternately on wheel inoperative surface gets final product.

Certainly; based on the know-why described in the embodiment one; in the assembly process of this routine described wheel bump leveller of the present invention; can be not yet to mass block with connect the elastic element that arranges between the framework and implement precompression; also can realize same technique effect, also among the protection domain that the present invention requires, in the practical application; can select whether elastic element to be implemented precompression according to the characteristics of required control structure vibration frequency.

Embodiment three

Wheel bump leveller of the present invention as shown in Figure 5, be with embodiment one difference, connecting framework 2 is made by steel, elastic element 4 is arranged between the axial chamber wall surface of the corresponding wheel in mass block 3 and absorbing chamber 100 1, elastic element 4 adopts metal spring, be specially helical steel springs in this example, the two ends of helical steel springs are weldingly fixed on respectively and connect on framework 2 and the mass block 3.In addition, for guaranteeing in the using process, elastic element 4 forms effectively supporting to mass block 3 all the time, elastic element 4 with mass block 3 and when connecting framework 2 and assembling by precompression, be in its pre-compressed state, and the precompression displacement of elastic element 4 during greater than mass block 3 work with respect to the amplitude of absorbing chamber 100 chamber walls.

This routine described technological scheme is identical with embodiment one application process, no longer repeats at this.In addition, compare with embodiment one, this routine described wheel bump leveller of the present invention also has following advantage: owing to adopt helical steel springs as elastic element, helical steel springs is except radially having good elasticity, it axially also has better elastic, therefore by the radial rigidity of control helical steel springs and the relation between the axial rigidity, this routine described wheel bump leveller of the present invention can be controlled the axial and radial vibration of wheel simultaneously, its physical property is subjected to such environmental effects such as temperature and humidity little, damping property is efficient stable more, longer service life.In addition, can be used as the metal spring of elastic element except already mentioned helical spring, can also be dish spring or leaf spring, can realize good effect, all among the protection domain that the present invention requires.Certainly, for the yielding support that guarantees that elastic element is in use remained valid to mass block all the time, elastic element for independent use metal spring formation, in the process of manufacturing of the present invention, preferably, all implement precompression when elastic element and mass block and connection framework are assembled, this point is applicable to that also other independent applied metal springs of the present invention constitute the technological scheme of elastic elements, are described in the lump at this.

Certainly, the present invention does not repel elastic element not by precompressed technological scheme yet, and according to different needs, elastic element also can not precompression, for example the metal coil spring two ends can be weldingly fixed on mass block and connection framework respectively in this example, elastic element not implemented precompression.In general, during the control dither, must implement pretension to elastic element, during the control low-frequency vibration, elastic element is pretension not, in the practical application, can select whether elastic element to be implemented precompression according to the characteristics of required control structure vibration frequency.

Embodiment four

Wheel bump leveller of the present invention as shown in Figure 6 is with embodiment three difference, and the elastic element 4 that helical steel springs constitutes is arranged on mass block 3 and absorbing chamber 100 corresponding wheels 1 simultaneously and axially reaches between radially the chamber wall surfaces.

Compare with embodiment three, in this routine described technological scheme, elastic element about the mass block, about independent the setting, same mass block wheel radially with wheel axle to frequency can independently adjust, realize the tuning quality vibration damping at both direction, its phase mutual interference is little, and control accuracy is higher.In addition because elastic element is bearing in around the mass block, in the using process motion of mass block more stable, be not easy to produce swing and tilting moment.

Certainly, according to different needs, in this example elastic element can precompression also can not precompression, in general, during the control dither, must implement pretension to elastic element, during the control low-frequency vibration, elastic element is pretension not, in the practical application, can select whether elastic element to be implemented precompression according to the characteristics of required control structure vibration frequency.

Embodiment five

Wheel bump leveller of the present invention as shown in Figure 7 is with the difference of technological scheme shown in Fig. 4, and the elastic element that arranges around the mass block 34 is made by elastane.In addition, also be provided with connecting plate 5 on the connection framework 2, connecting plate 5 is provided with attachment hole 6.Corresponding attachment hole 6 arranges tapped hole 10 on the spoke of wheel 1.Fastening piece 7 passes attachment hole 6 and is fastened on the tapped hole 10.

During application, as shown in Figure 7 and Figure 8, wheel bump leveller segmentation along the circumferential direction compartment of terrain is arranged on the inoperative surface of wheel, except the wheel bump leveller of the present invention that wheel 1 left and right sides is arranged is adhesively fixed on the wheel surface respectively, also utilize fastening piece 7 will connect framework by the tapped hole on attachment hole 6 and the wheel spoke and wheel is fixed together, can further improve the stability of bump leveller and wheel assembling like this.Even adhesive failure, bump leveller still can be fixed on wheel surface, can not come off.In addition, because it is very reliable with being connected of wheel to connect framework, elastic element 4 is in the pretension state again, has both made between mass block 3 and the elastic element 4 to separate, and mass block 4 is also difficult to be deviate from from absorbing chamber 100, can not cause potential safety hazard to driving.

Certainly; based on embodiment one and this routine described know-why; this routine described wheel bump leveller of the present invention also can along the circumferential direction be arranged on the inoperative surface of wheel continuously, also can realize same effect, all in the protection domain that the present invention requires.It is to be noted especially, in the embodiment of the invention, so the wheel bump leveller of the present invention of this class segment applications shown in Figure 8 also can adopt annular to be arranged on continuously on the wheel inoperative surface, be described in the lump with literal at this, among the embodiment of the similar technological scheme in back, no longer repeat.

In addition, according to different needs, in this example elastic element can precompression also can not precompression, in general, during the control dither, must implement pretension to elastic element, during the control low-frequency vibration, elastic element is pretension not, in the practical application, can select whether elastic element to be implemented precompression according to the characteristics of required control structure vibration frequency.

Embodiment six

Wheel bump leveller of the present invention as shown in Figure 9 is that with embodiment five difference elastic element 4 is the complex spring that rubber and metal spring constitute, and in addition, connects on the framework 2 claw structure 8 is set, and the wheel rim inner edge of wheel 1 arranges the draw-in groove 9 corresponding with claw 8.Described claw and draw-in groove structure cooperatively interact.

Except bonding, the recycling claw is fastened and connected wheel with the draw-in groove structure and is in the same place with the connection framework during application.Rubber material in this elastic element 4 also constitutes damping member simultaneously.

In this routine described technological scheme, elastic element 4 is made of the complex spring of rubber and metal spring, adopt rubber-metal composite spring, high elasticity, the long lifetime of metal spring both can have been given full play to, can utilize rubber material effectively to suppress metal spring resonance in use again, be conducive to further promote damping property and the working life of product.

In addition, but also location swap of the draw-in groove structure in this example and claw structure namely arranges the draw-in groove structure connecting framework, at wheel claw structure is set.The shape of claw draw-in groove structure and pattern also are not limited only to shown in this example, illustrate no longer one by one at this.

Embodiment seven

Wheel bump leveller of the present invention as shown in figure 10 is with embodiment six difference, except bonding, connect framework and is fixed on the wheel by the retaining edge structure on the wheel during application.During application, connect spoke and rim surface that framework 2 is fitted in wheel 1, both smear binder on the surface of contact, again in conjunction with the retaining edge structure 10 that arranges on the wheel rim circumferencial direction, produce the fastening effect to connecting framework, realize the assembling between wheel bump leveller of the present invention and the wheel.

Compare with embodiment six, in this routine described technological scheme, wheel bump leveller of the present invention utilizes the retaining edge structure on the wheel to be fastened on wheel inoperative surface, utilizes adhesive material that wheel bump leveller of the present invention and wheel are sticked together simultaneously.The mounting or dismounting of this kind method are convenient and swift, are convenient to safeguard, and are safe and reliable.Adopt metallic material to make if connect framework, for preventing from connecting metal bump sounding between framework and the wheel, also can set up one deck solid damping material at the contact surface that connects framework 2 and wheel 1, connect framework 2, wheel 1 and solid damping material layer and can also constitute constrained damping structure this moment, strengthen energy dissipation capacity, improve effectiveness in vibration suppression.This is used description of drawings no longer one by one, but all among the protection domain that the present invention requires.

In addition, according to different needs, in the wheel bump leveller of the present invention, elastic element can precompression also can not precompression, in general, during the control dither, must implement pretension to elastic element, during the control low-frequency vibration, elastic element is pretension not, in the practical application, can select whether elastic element to be implemented precompression according to the characteristics of required control structure vibration frequency.

Embodiment eight

Wheel bump leveller of the present invention as shown in figure 11 is with embodiment seven difference, connects framework 2 by connecting plate 5, fastening piece 7 and retaining edge structure 10, realizes the assembling between wheel bump leveller of the present invention and the wheel.In addition, in the absorbing chamber 100, the complex spring that elastic element 4 is made by metal stamper spring and elastane constitutes, and wherein the end of metal stamper spring connects framework 2 and mass block 3 welding are fixed into one with adjacent.

Compare with embodiment seven, this routine described wheel bump leveller of the present invention utilizes complex spring that metal stamper spring and elastane make as elastic element 4, and it is strong to take full advantage of dish spring bearing capacity, long service life, advantage such as it is little to take up room.At this moment, be conducive to the bigger mass block of slot milling setting, further promote damping property.Certainly, described in embodiment seven, adopt metallic material to make if connect framework, for preventing from connecting metal bump sounding between framework and the wheel, also can one deck damping material be set at the contact surface that connects framework 2 and wheel 1.

Embodiment nine

As Figure 12 and wheel bump leveller of the present invention shown in Figure 13, be with embodiment eight difference, elastic element 4 is made of leaf spring, and metal clips 11 and surface coated rubber layer 12 thereof that described leaf spring is made by spring steel are formed jointly, holds the restraining groove of leaf spring accordingly on mass block 3 respectively.It is pointed out that in the elastic element 4, metal clips 11 mainly provides elasticity, rubber layer 12 mainly provides damping, so rubber layer 12 uses as damping member at this.

This routine described wheel bump leveller and embodiment's eight application process is identical, no longer repeats at this.Compare with embodiment eight, this routine described wheel bump leveller of the present invention, except the tuning system of mass block and elastic element formation can be realized passive energy dissipation, metal clips 11 in the elastic element is also constantly sheared rubber layer 12 between the two in the course of the work under the connection Frame's Constrain, realize shear energy dissipation, therefore power consumption is faster, and effectiveness in vibration suppression is also better.

Embodiment ten

As Figure 12 and wheel bump leveller of the present invention shown in Figure 14, be that with embodiment nine difference elastic element 4 is made of leaf spring, the rubber layer 13 that the metal clips 14 that described leaf spring is made by two flat spring steel and therebetween thereof are established is formed jointly.Similar to embodiment nine, rubber layer 13 also uses as damping member at this.

The application process of this routine described technological scheme and advantage are all basic identical with embodiment nine, unique being noted that, in this example, metal clips 14 directly constitutes constrained damping structure with rubber layer 13, also can realize the power consumption that continues in the course of the work, because the useful area of shearing damp material is bigger between the metal clips 14, so its shearing damp power consumption is more, decay unsteadiness of wheels energy is faster, and effectiveness in vibration suppression is better.

Embodiment 11

Wheel bump leveller of the present invention arranges connection framework 18 respectively and connects framework 15 in the wheel both sides as shown in figure 15.Wherein, connect in the framework 18 and comprise an absorbing chamber 101, mass block 19 is set in the absorbing chamber 101, and mass block 19 and absorbing chamber 101 radially reach between the axial chamber wall surface along wheel and are respectively equipped with elastic element 20, and elastic element 20 is composited by helical steel springs and rubber material; Connect in the framework 15 and comprise an absorbing chamber 102, mass block 16 is set in the absorbing chamber 102, mass block 16 and absorbing chamber 102 radially reach between the axial chamber wall surface along wheel and are respectively equipped with elastic element 17, and elastic element 17 is made by rubber material; In addition, connect the connecting plate 25 that is provided with attachment hole on the framework 15, connect the connecting plate 24 that is provided with attachment hole on the framework 18.For cooperating the installation of bump leveller, the special setting at wheel rim kept off edge structure 10, at spoke through hole is set.Fastening piece 26 is connected connecting plate 25 and connecting plate 24 by attachment hole and through hole, and then realizes wheel bump leveller of the present invention and wheel firmly are assembled together.

Certainly, for preventing from connecting metal bump sounding between framework and the wheel, also one deck damping material can be set at the contact surface of the present invention and wheel.In addition, in order to improve the reliability of connection, also can utilize adhesive material that the present invention and wheel are sticked together simultaneously.All be the simple change during the present invention assembles, all in the middle of the protection domain that the present invention requires.

In this routine described technological scheme, wheel bump leveller of the present invention has covered the inoperative surface of most of wheel, taken full advantage of the space, be provided with quality---the spring tuning system that more multimass piece and elastic element constitute, the vibrational energy that is conducive to faster decay wheel further improves the vibration and noise reducing performance of product.What deserves to be mentioned is in addition, owing to be provided with a plurality of absorbings chamber, therefore can comprise the tuning system that a plurality of mass blockes and elastic element constitute, can utilize the vibration of different tuning system control different frequencies, the vibration frequency of its control is more, and effectiveness in vibration suppression is better.

Embodiment 12

Wheel bump leveller of the present invention as shown in figure 16, be with embodiment 11 difference, connect framework 2 and radially be separated into four absorbing chambeies by dividing plate 48 along wheel, be equipped with mass block and elastic element in each absorbing chamber, wherein, be provided with mass block 40 and elastic element 41 in the absorbing chamber 104, elastic element 41 is arranged between mass block and chamber, the absorbing chamber wall around mass block 40; Be provided with mass block 42 and elastic element 43 in the absorbing chamber 105, elastic element 43 is arranged between mass block and chamber, the absorbing chamber wall around mass block 42; Be provided with mass block 44 and elastic element 45 in the absorbing chamber 106, elastic element 45 is arranged between the chamber wall in mass block and absorbing chamber around mass block 44; Be provided with mass block 46 and elastic element 47 in the absorbing chamber 107, elastic element 47 is arranged between mass block and chamber, the absorbing chamber wall around mass block

46.Mass block

40,42,44 and 46 all adopts cast iron materials to make, and

elastic element

41,43,45 and 47 all adopts the high damping elastic rubber material to make, and also uses as damping member simultaneously.

This routine described wheel bump leveller of the present invention is identical with embodiment seven application mode, also is to fix by the 10 pairs of wheel bump levellers of retaining edge structure on the wheel.Just be equipped with retaining edge structure 10 at wheel rim and wheel hub in the present embodiment.In addition, compare with embodiment seven, the sharpest edges of this routine described technological scheme are, owing to connect in the framework and radially be provided with the absorbing chamber that four sizes differ along wheel, mass size in each absorbing chamber is different, elastic element thickness in each absorbing chamber is also different, therefore, optimize the parameter of mass block and elastic element in each absorbing chamber respectively, just can make the quality that mass block and elastic element constitute in each absorbing chamber---the spring tuning system is controlled a certain characteristic frequency vibration, can control the vibration of four frequencies simultaneously, the effect of vibration and noise reduction after the use is better.In addition; the material of the mass block that adopts in the different absorbings chamber can be different, and the material of the elastic element that adopts in the different absorbings chamber also can be different, as long as adjust quality and elastic element rigidity; can effectively control a certain specific vibration frequency, all in the middle of the protection domain that the present invention requires.In addition; know-why based on narration among the embodiment four; be positioned at mass block up and down with about elastic element also can be constituted by different materials; like this mass block wheel radially with wheel axle to frequency can independently adjust; realize the tuning quality vibration damping at both direction; its phase mutual interference is little; control accuracy is higher; these characteristics also are fit to other elastic elements and are arranged on technological scheme between mass block and chamber, the absorbing chamber wall around mass block; be described with literal in the lump at this, also among the protection domain that the present invention requires.

Embodiment 13

Wheel bump leveller of the present invention as shown in figure 17 is that with embodiment 12 difference the wheel bump leveller comprises two connection frameworks 2 that arrange along the wheel circumference direction.Mass block 40 only two end part is arranged in the absorbing chamber that connects framework 2, and the middle part is exposed to and connects framework 2.Connect in the framework 2 and comprise an absorbing chamber, mass block 40 and elastic element 41 are set in the absorbing chamber, mass block 40 is made by cast steel, and elastic element 41 is made by the high damping elastic caoutchouc, be elastic element also be damping member.Elastic element 41 is around being arranged between the chamber wall in mass block and absorbing chamber around the mass block 40.Structure and Figure 11 of connecting in the absorbing chamber of framework 2 are similar, at this detailed icon no longer.Connect the connecting plate 5 that also is provided with the band mounting hole on the framework 2, and fixing with wheel by fastening piece 7 and retaining edge structure 10.

This routine described technological scheme, except the whole advantages with wheel bump leveller of the present invention shown in Figure 5, because its mass block only part is arranged in the absorbing chamber, it is more convenient to adjust parameters such as quality and elastic element rigidity, except can being used for the vibration of control medium-high frequency, because it can arrange bigger mass block, also be specially adapted to control low-frequency vibration again, Applicable scope is wider.This routine described wheel bump leveller is fixedly installed on wheel inoperative surface along the wheel circumference direction equally.Because it is short along the length specific mass piece 40 of wheel circumference direction to connect framework 2, therefore also helps the saving material.

Embodiment 14

Wheel bump leveller of the present invention as shown in figure 18, be with embodiment 13 difference, comprise two connection frameworks 2 that radially arrange along wheel, two connect the end that framework is separately positioned on mass block 40, each connects in the framework 2 and comprises an absorbing chamber, mass block 40 and elastic element 41 is set, wherein in the absorbing chamber, the mass block 40 only part of two ends is arranged in the absorbing chamber, and intermediate portion exposes at two and connects between the framework.

Compare with embodiment 13, this routine described technological scheme, it is convenient to produce assembling, and the sectional dimension of naked section even can be conducive to arrange bigger mass block greater than connecting the framework sectional dimension in the middle of the mass block is controlled more low-frequency vibration.Simultaneously, the mass block two ends cooperate with elastic element and connection framework, and stability is also better during work.In addition, also help the material use amount that further reduction connects framework, save cost.

Certainly, based on this routine described know-why, connect framework and also can arrange three even more, all among the protection domain that the present invention requires.

Embodiment 15

Wheel bump leveller of the present invention as shown in figure 19 is that with embodiment 12 difference the wheel both sides arrange two and connect frameworks 2, connect framework and match with outer surface, spoke surface and the wheel hub outer fringe surface of wheel rim inner edge.Each connects in the framework 2 and comprises four absorbing chambeies.Two connect framework along the axial setting of wheel, and the absorbing chamber in each connection framework is along the radially setting of wheel.Be equipped with mass block and elastic element in each absorbing chamber, elastic element be arranged in mass block around.Mass block is made by the loaded concrete material, and elastic element is made by elastane.

During application, as shown in figure 19, utilize adhesive material directly to be adhesively fixed on the inoperative surface of wheel 1 this routine described wheel bump leveller of the present invention, the reliability that is connected and fixed for increase, also utilize on rim for automobile wheel and the wheel hub retaining edge structure with connect framework and cooperate wheel bump leveller of the present invention is fixed on wheel surface, finish the assembling between wheel bump leveller of the present invention and the wheel.

Similar to embodiment 12, by optimizing quality and elastic element rigidity.Wheel bump leveller of the present invention can be controlled the vibration of a plurality of frequencies simultaneously, and is very convenient to use.Use different quality as mass block, elastic element adopts the rubber material of dissimilar different-stiffness, then can control targetedly at the vibration characteristic of zones of different on the wheel, and effectiveness in vibration suppression is better.Adopt loaded concrete to make mass block, corrosion can not take place, long service life, and can reduce cost greatly.In addition; mass block in this example in the different absorbings chamber and elastic element also can adopt different materials to make; for example can adopt metal spring, rubber spring and elasticity polyurethane spring etc. respectively; in addition; can also adopt normal concrete or reinforced concrete to make mass block; also can realize good effect, all among the protection domain that the present invention requires.

It is pointed out that based on this routine know-why, connect in the framework the absorbing chamber can along wheel radially or/and along wheel axle to or/and arrange that along the wheel circumference direction it can realize controlling the vibration of a plurality of frequencies, uses very convenient.

Embodiment 16

Wheel bump leveller of the present invention as shown in figure 20, be with the difference of wheel bump leveller shown in Figure 6, connecting framework 2 is made by steel plate, also be provided with damping member 65 in the absorbing chamber 100 of connection framework, described damping member 65 is made of the liquid damping material, absorbing chamber 100 complete closed, liquid damping material are filled in the part space between mass block 3 and the absorbing chamber 100 chamber walls.

The application process of this routine described wheel bump leveller of the present invention and embodiment one are identical, no longer repeat at this.Owing to set up the damping member 65 that the liquid damping material constitutes in the absorbing chamber 100, when mass block 3 absorption unsteadiness of wheels energy were subjected to displacement, the liquid damping material can produce one and hinder the counter-force that mass block moves, thereby the energy of mass block is consumed rapidly.Therefore, the vibrational energy of wheel is decayed rapidly, can also suppress the resonance of elastic element 4, make elastic element 4 recover static rapidly, thus the fatigue life of improving elastic element, and then the working life of prolongation product of the present invention.

Embodiment 17

As Figure 21 and wheel bump leveller of the present invention shown in Figure 22, be that with embodiment 16 difference mass block 3 is provided with the flow-disturbing convex-concave structure, it is leg-of-mutton fin 67 that the flow-disturbing convex-concave structure is specially many sectional shapes that mass block 3 surfaces arrange.

Compare with embodiment 17, because mass block 3 surfaces are provided with many fins 67, mass block 3 is bigger with effective area of contact of the damping member 65 that the liquid damping material constitutes, and the liquid damping material is also just bigger to the resistance that mass block produces, therefore power consumption is faster, and effectiveness in vibration suppression is also better.

Based on this routine described know-why, the sectional shape of fin 67 also can be circular arc, rectangle, multiple shape such as trapezoidal.In addition, the flow-disturbing convex-concave structure can be varied, for example, also can be as shown in figure 23, the flow-disturbing convex-concave structure is made of many grooves 68 that mass block 3 surfaces arrange; Perhaps as shown in figure 24, the flow-disturbing convex-concave structure is made of a plurality of local crownings 69 that mass block 3 surfaces arrange; Again or as shown in figure 25, the flow-disturbing convex-concave structure is made of a plurality of local pits 70 that mass block 3 surfaces arrange.Certainly right except shape shown; the sectional shape of groove 68, local crowning 69 and local pit 70 also can be varied; effective area of contact of piece and liquid damping material can realize good effect as long as can improve the quality, all among the protection domain that the present invention requires.

Embodiment 18

Wheel bump leveller of the present invention as shown in figure 26 is with embodiment 17 difference, and the flow-disturbing convex-concave structure is by a plurality ofly constituting to the flow-disturbing hole 71 that connects along wheel axle of arranging on the mass block 3.Flow-disturbing hole 71 is immersed in the damping member 65 of liquid damping material formation.

Effective area of contact of piece and liquid damping material can effectively improve the quality in the flow-disturbing hole 71 that arranges on the mass block 3.When mass block 3 moved, the liquid damping material in the flow-disturbing hole 71 and mass block 3 can relatively move, and therefore can produce resistance and consume energy, so can effectively improve the damping property of product after mass block 3 arranges flow-disturbing hole 71.Because to setting, when mass block moved axially along wheel, effectiveness in vibration suppression was the most obvious, so this technological scheme is more suitable for controlling the axial vibration of wheel along wheel axle for flow-disturbing hole 71.Based on this principle, also can arrange along wheel flow-disturbing hole radially at mass block, with the radial vibration of control wheel.Certainly, can be simultaneously mass block arrange along wheel radially the flow-disturbing hole and along wheel axle to the flow-disturbing hole, be conducive to improve the ability of control unsteadiness of wheels, also among the protection domain that the present invention requires comprehensively.

Embodiment 19

As Figure 27 and wheel bump leveller of the present invention shown in Figure 28, be with embodiment 16 difference, also be provided with moving vane 73 on the mass block 3, absorbing chamber 100 chamber walls are provided with

stator blade

74 and 73 staggered cooperations of moving vane, are provided with liquid damping material 65 in adjacent stator blade 74 and the part space between the moving vane 73.

Similar to the know-why of record among the embodiment 17, owing to be provided with moving vane and the stator blade that cooperatively interacts respectively on the chamber wall in mass block and absorbing chamber, can significantly improve the effective area of contact between mass block and the liquid damping material, moving vane and stator blade cooperatively interact in the course of the work simultaneously, the effect that the liquid damping material production is extruded also, therefore power consumption is faster, and effectiveness in vibration suppression is better.

Embodiment 20

Wheel bump leveller of the present invention as shown in figure 29 is that with embodiment 20 difference moving vane 73 is provided with flow-disturbing hole 75, also is provided with flow-disturbing hole 76 on the stator blade 74.

Owing to be provided with the flow-disturbing hole respectively on moving vane and the stator blade, when moving vane during near stator blade, the liquid damping material suffer oppression also can be in the flow-disturbing hole play, further improved energy dissipation capacity, and then promoted the effectiveness in vibration suppression of product.Certainly based on this routine described know-why, also can only at one of moving vane or stator blade the flow-disturbing hole be set, also can play excellent vibration damping effect.In addition; based on the know-why described in this routine described know-why and the embodiment 18; also can be at stator blade or/and moving vane arranges the flow-disturbing convex-concave structure; fin, projection, local crowning or local pit etc. for example are set; can play close effect; all among the protection domain that the present invention requires, only be described with literal at this, no longer in addition accompanying drawing.Have again, according to different needs, in this example elastic element can precompression also can not precompression, in general, during the control dither, must implement pretension to elastic element, during the control low-frequency vibration, elastic element is pretension not, in the practical application, can select whether elastic element to be implemented precompression according to the characteristics of required control structure vibration frequency.

By above-described embodiment as can be seen, compared with prior art, wheel bump leveller of the present invention, quality with mass block and elastic element formation---spring system is arranged on and connects in the framework, it has the following advantage of part at least: (1) connects framework confrontation gauge block, elastic element and damping member and forms effective protection, good weatherability, anti-sealing, oil, dust enter, especially when using macromolecular material, prevent ozone and ultraviolet radiation damage macromolecular material, elastic material is difficult for taking place aging, can prolong the working life of product greatly; (2) be not wrapped in the elastic element as prior art owing to mass block, only with elastic element series, therefore the selection range of elastic element is wider, the use of metal spring becomes possibility, can give full play to the metal spring good springiness, physical property is subjected to environmetal impacts such as temperature and humidity little, and damping property is efficient stable more, advantages such as long service life; (3) except the mass tuning vibration damping, when mass block with when connecting framework greater than 1/2 wavelength of a model frequency, mass block and connection framework can produce effect of contraction to elastic element and damping member, the damping material between the two is sheared in relative deformation meeting between the two, realize extra shear deformation power consumption, so effectiveness in vibration suppression is more remarkable; (4) wheel bump leveller of the present invention is structurally realized breaking through, to the restriction of elastic element still less, the selection range of elastic element is wide, can select elastic element instead of rubber such as metal spring, can evade the defective that existing rubber-like elastic element exists-as temperature sensitivity, so its parameter area that is suitable for is wideer, performance is more stable; (5) because wheel surface can utilize the space very limited, mass block is not arranged on elastic element inside among the present invention, elastic element takes up room less, therefore bigger heavier mass block can be set under the same space condition, and then the effect of the tuning vibration damping that effectively improves the quality; (6) elastic element, damping material, adhesive material can be independent, realizes characteristic optimizing separately, all can batch production produces in enormous quantities, parameter is uniform and stable.Binding material is responsible for adhesion strength, and elastic material is responsible for frequency modulation, and energy dissipating is responsible in damping; (7) elastic material is just in case ftracture, and the mass block in the wheel bump leveller can not come off yet, and is safe and reliable; (8) elastic element about the mass block, about independent the setting, same mass block wheel radially with wheel axle to frequency can independently adjust, realize the tuning quality vibration damping at both direction; Be finished product just when (9) the wheel bump leveller dispatches from the factory, can before dispatch from the factory, accurately measured and debug the frequency of okperation of product, need not field adjustable, only needed to paste, be installed or the fastening piece connection; (10) if elastic element has precompression, even material ftractures, internal crack is arranged, the rigidity of elastic element and the frequency of okperation of bump leveller can not change.

Be noted that especially, in the wheel bump leveller of various structures of the present invention, preferably, make mass block in the assembly process and connect the elastic element that arranges between the framework and be in precompressed state, its advantage is: ftracture, internal crack is arranged even constitute the material of elastic element on the one hand, the rigidity of elastic element and the frequency of okperation of bump leveller can not change; On the other hand, when being used for the control dither, the amplitude of mass block is less, and after precompression, the rigidity of elastic element is linear change, easier accurate design regulation and control; The 3rd, owing to implemented pretension, elastic material is just in case ftracture, and the mass block in the wheel bump leveller can not come off yet, and is safe and reliable.In addition, during application, wheel bump leveller of the present invention namely can be arranged ringwise continuously on the inoperative surface of wheel, also can be arranged on the inoperative surface of wheel along Wheel ring packing to one section one spacer segment, can both play good effect.Above-mentioned technology contents is applicable to the technological scheme of putting down in writing among all embodiments of the present invention; among the part embodiment owing to only describe at accompanying drawing; in each embodiment, do not repeat above-mentioned technology contents one by one; give to illustrate in the lump that these technological schemes are all among the protection domain that the present invention requires at this.

Wheel bump leveller applicability of the present invention is strong, long service life, and effect of vibration and noise reduction is good, and market application foreground is very wide.In addition, the embodiment among the present invention only is better explanation technological scheme of the present invention, should not be considered as limitation of the present invention, and wherein the technical characteristics among many embodiments also can intersect use.In addition the present invention also can't limit and wheel between assembly method, in utilizing embodiment, mention bonding, be fastened and connected, the method such as fastening piece connection, also have other multiple technologies means to carry out mount.Based on the technology of the present invention principle; those skilled in the art can make up again or utilize similar technology that some element is wherein simply replaced the described technological scheme of above-described embodiment; as long as based on know-why of the present invention, all in the protection domain that the present invention requires.

Claims

1. wheel bump leveller, comprise elastic element and and mass block, it is characterized in that also comprising that at least one connects framework, it is identical with the shape on the corresponding surface of wheel with the surface configuration of wheel inoperative surface coupling part to connect framework, connect in the framework and comprise at least one absorbing chamber, mass block is local being arranged in the absorbing chamber that connects framework at least, is provided with elastic element between the chamber wall in mass block and absorbing chamber.

2. wheel bump leveller according to claim 1, it is characterized in that elastic element along wheel radially or/and wheel is axially disposed between the chamber wall in mass block and absorbing chamber, perhaps elastic element is arranged between the chamber wall in mass block and absorbing chamber around mass block.

3. wheel bump leveller according to claim 1 and 2 is characterized in that elastic element is made of at least a in rubber, elastic polyurethane or the metal spring.

4. wheel bump leveller according to claim 3 is characterized in that metal spring comprises dish spring, leaf spring and helical spring.

5. wheel bump leveller according to claim 3 is characterized in that the elastic element that arranges between mass block and chamber, the absorbing chamber wall is in its pre-compressed state, and the precompression displacement of elastic element when working greater than mass block with respect to the amplitude of chamber, absorbing chamber wall.

6. wheel bump leveller according to claim 1 is characterized in that also comprising that damping member, damping member are arranged between mass block and chamber, the absorbing chamber wall.

7. wheel bump leveller according to claim 6 is characterized in that damping member is made of the elastic spacer damping material.

8. wheel bump leveller according to claim 6, it is characterized in that damping member is made of the liquid damping material, the opening in absorbing chamber is provided with Sealing, and Sealing is absorbing chamber complete closed, and the liquid damping material is filled in the part space between mass block and chamber, the absorbing chamber wall.

9. wheel bump leveller according to claim 8 is characterized in that mass block is provided with moving vane, and chamber, absorbing chamber wall is provided with stator blade and cooperates with moving vane is staggered, is provided with the liquid damping material in adjacent stator blade and the part space between the moving vane.

10. wheel bump leveller according to claim 9 is characterized in that moving vane or/and stator blade is provided with flow-disturbing hole or flow-disturbing convex-concave structure.

11. wheel bump leveller according to claim 1 is characterized in that mass block is provided with flow-disturbing hole or flow-disturbing convex-concave structure.

12. wheel bump leveller according to claim 1 is characterized in that connecting framework and is provided with connecting plate, connecting plate is provided with attachment hole, or the connection framework is provided with claw or draw-in groove structure.

13. wheel bump leveller according to claim 1 is characterized in that the chamber wall surface that absorbing chamber and elastic element cooperate is connected the reinforcement structure or/and mass block is provided with the matching surface of elastic element.

14. wheel bump leveller according to claim 13 is characterized in that connecting the reinforcement structure and comprises surperficial convex-concave structure, surface knurling structure or surface galling structure.

15. wheel bump leveller according to claim 1, it is characterized in that connecting the quantity in absorbing chamber in the framework above one, the absorbing chamber in connecting framework along radially being set up in parallel of wheel, or/and along axially being set up in parallel of wheel, or/and be set up in parallel along the circumferencial direction of wheel.

16. wheel bump leveller according to claim 1 is characterized in that connecting framework and is arranged on along the wheel circumference direction on the inoperative surface of wheel, the inoperative surface of wheel comprises surface, spoke surface and the wheel hub outer fringe surface of wheel rim inner edge.

17. wheel bump leveller according to claim 1 is characterized in that connecting framework and is locked on wheel by fastening piece, or is fixed on the wheel by the draw-in groove on the wheel or retaining edge, or by binder or damping material and the bonding one of wheel.

18. wheel bump leveller according to claim 3 is characterized in that bonding between elastic element and mass block and chamber, the absorbing chamber wall, welding or sulfuration are connected and fixed and are integral.