CN203346739U - Vibration absorbing device for rail - Google Patents
Vibration absorbing device for rail Download PDFInfo
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- CN203346739U CN203346739U CN 201320406910 CN201320406910U CN203346739U CN 203346739 U CN203346739 U CN 203346739U CN 201320406910 CN201320406910 CN 201320406910 CN 201320406910 U CN201320406910 U CN 201320406910U CN 203346739 U CN203346739 U CN 203346739U
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Abstract
The utility model discloses a vibration absorbing device for a rail. The vibration absorbing device comprises an elastic element, a mass block and at least one connection frame. The surface shape of the connection portion of the connection frame is the same as that of the non-working surface of the steel rail. The connection frame comprises at least one vibration absorbing cavity, the mass block is at least partially arranged in the vibration absorbing cavity of the connection frame, and an elastic element is arranged between the mass block and the vibration absorbing cavity. The vibration absorbing device has the advantage that the connection frame can effectively protect the mass block and the elastic element due to the fact that a mass-spring system formed by the mass block and the elastic element is arranged in the connection frame. The mass block is only in series connection with the elastic element, so that the elastic element in wide in material selection range. The elastic element is small in occupation space, so that the larger and heavier mass block can be arranged under the same condition, and a mass tuning vibration reducing effect is improved. The device is simple in structure, stable in performance, good in weather resistance, wide in application frequency domain range, long in service life, excellent in cost performance, favorable for delaying abrasion of the steel rail, capable of prolonging the service life of the steel rail and wide in market application prospects.
Description
Technical field
The utility model belongs to vibration and the field of noise control of track traffic, relates in particular to and a kind ofly is arranged at rail inoperative surface, for alleviating rail vehicle running rail, is forced to the vibration that produces and the vibration absorber of noise.
Background technology
In recent years, China's track traffic develop rapidly, when to people, providing quick, safe trip mode, the vibration of its generation and noise problem have also had a strong impact on peripheral resident's quality of life, jeopardize neighboring buildings safety, and stability, safety and the application life of track itself also are affected.
In the railroad noise that research forms while showing train operation, wheel-rail noise accounts for very high proportion, and wherein the medium, high frequency noise of rail vibration radiation is especially obvious to the contribution of final noise total amount, therefore, carry out vibration and the noise abatement of rail significant to the urban track traffic vibration and noise reducing.For controlling vibration and the noise of rail, the engineering staff has researched and developed polytype vibration and noise reducing product, wherein tuning damper is comparatively common, it utilizes quality---and the tuner that spring forms produces reaction force work done power consumption and makes the vibration of rail reduce when rail vibration, disclosed tuned absorbers for rails in number of patent application 200480019707.1 for example, this series products can be realized certain effect of vibration and noise reduction.But find in the engineering application, owing in existing this type of technical scheme, generally utilizing the rubber elastomeric material to make flexible member, then built-in mass in flexible member, and the track traffic Regional Distribution is wide, external environmental condition varies, after directly exposing to the open air for a long time externally in environment, the physical property of rubber elastomeric material is vulnerable to the impact of external environment, also easily by exterior object, scratched and damage, and then the vibration and noise reducing performance and used life of tuning damper is caused to harmful effect.In addition, restraint forces mass formed due to the rubber-like flexible member is less, and the tension and compression component that mass produces flexible member in the inner moving process of flexible member is large, and shear component is little, therefore can't realize effective shear energy dissipation, effectiveness in vibration suppression also is extremely restricted.In addition, limited by structure and material, this type of track is less by the applicable frequency range of tuning damper, for example, for low frequency, controls, and the elasticity of demand body has very high elasticity, and material is softer, easily is torn; For high frequency, control, the elasticity of demand body possesses larger hardness, its poor flexibility, and effectiveness in vibration suppression is bad.Have, this type of tuned absorbers for rails is the following deficiency of ubiquity also again: (1) mass is embedded in the elastomeric material the inside, the buffering ratio of mass tuning accurately that both direction is realized simultaneously more difficult; (2) when tuning damper dispatches from the factory or semiproduct, with rail, do not assembled, can't directly measure or debug operating frequency; (3) once material ftractures, and inner meeting forms crack, the rigidity of flexible member and the operating frequency of tuning damper just change; (4) flexible member, damping material, adhesives integrate, and can't realize the optimization of whole parameters; (5) once elastomeric material ftractures, the TMD mass can come off, and train operation is brought to potential safety hazard.
The defects such as in summary it can be seen, existing tuning damper exists effect of vibration and noise reduction limited, and unstable properties is suitable for frequency domain narrow, and application life is short.
The utility model content
Technical problem to be solved in the utility model is, overcomes above-mentioned defect, provides that a kind of effect of vibration and noise reduction is good, weatherability strong, stable performance, applicable frequency domain are wide, use safety, long track bump leveller of life-span.
The technical scheme that the utility model adopts is, the track bump leveller comprises flexible member, mass and at least one connection framework, connect framework identical with the shape on the corresponding surface of rail with the surface configuration of rail inoperative surface coupling part, connect in framework and comprise at least one absorbing chamber, mass is local being arranged in the absorbing chamber that connects framework at least, between the chamber wall in mass and absorbing chamber, is provided with flexible member.
Preferably, flexible member is horizontally installed between the chamber wall in mass and absorbing chamber along the vertical or/and rail of rail, or flexible member is arranged between the chamber wall in mass and absorbing chamber around mass.
Described flexible member can be in rubber, elastic polyurethane or metal spring at least one form.Wherein, metal spring comprises dish spring, leaf spring and helical spring etc.; Rubber can be specifically neoprene, acrylonitrile-butadiene rubber etc.For the elastomeric bearing that guarantees that flexible member is in use remained valid to mass all the time, can make the flexible member arranged between mass and chamber, absorbing chamber wall in its pre-compressed state, and the precommpression displacement of flexible member is greater than mass when work amplitude with respect to chamber, absorbing chamber wall.Particularly, for metal spring, mostly all need to implement precommpression while being assembled with mass and connection framework in the process of the utility model processing and manufacturing.In addition, flexible member can also and mass and chamber, absorbing chamber wall between bonding, welding or sulfuration be connected and fixed and be integral.
The utility model track bump leveller can also comprise damping element, and damping element is arranged between mass and chamber, absorbing chamber wall.Damping element can consist of the elastic solid (Hookean body) damping material; Damping element also can consist of the fluid damping material, and while setting up fluid damping, the opening part in absorbing chamber is provided with seal, and seal seals the absorbing chamber fully, and the fluid damping material is filled in the part space between mass and chamber, absorbing chamber wall.In order further to improve system damping, moving vane can also be set on mass, chamber, absorbing chamber wall is provided with stator blade and coordinates with moving vane is staggered, in adjacent stator blade and the part space between moving vane, is provided with the fluid damping material.In addition, can also be at moving vane or/and flow-disturbing hole or flow-disturbing convex-concave structure be set on stator blade.Certainly, flow-disturbing hole or flow-disturbing convex-concave structure can also be set on mass.
Assembled with rail for convenient, connect on framework and can also be provided with junction plate, junction plate is provided with connecting hole, bending connecting portion or buckle structure.In order to increase flexible member and to connect the reliability be connected between framework and mass, the chamber wall surface that can also coordinate with flexible member in the absorbing chamber is or/and be provided with connection reinforcing structure on the matching surface of mass and flexible member.Described connection reinforcing structure comprises surperficial convex-concave structure, surface knurling structure or surface galling structure.
When the quantity that connects absorbing chamber in framework surpasses one, the absorbing chamber is set up in parallel along the vertical of rail in connecting framework, or/and along laterally being set up in parallel of rail, or/and vertically being set up in parallel along rail.
In addition, be noted that, the connection framework of the utility model track bump leveller vertically is arranged on along rail on the inoperative surface of rail, and the inoperative surface of rail comprises in the rail use procedure rail head bottom, the web of the rail, wing plate and the flange of rail surface be positioned at beyond gauge.
The beneficial effects of the utility model are: due to the quality by mass and flexible member formation---spring system is arranged on and connects in framework, therefore,
(1) connect that framework confrontation gauge block and flexible member form quality---spring system forms effective protection, when using macromolecular material, it is aging that elastomeric material is difficult for generation especially, can greatly extend the application life of product;
(2) because mass is not wrapped in flexible member as prior art, only with elastic element series, therefore the selection range of flexible member is wider, the use of metal spring becomes possibility, can give full play to the metal spring good springiness, physical property is subject to the ambient influnences such as humiture little, and damping property is efficient stable more, the advantages such as long service life;
(3) except the mass tuning vibration damping, when mass is greater than 1/2 wavelength of a model frequency with the connection framework, mass and connection framework can produce effect of contraction to flexible member and damping element, the damping material between the two is sheared in relative deformation meeting between the two, realize extra shear strain power consumption, so effectiveness in vibration suppression is more remarkable;
(4) the utility model track bump leveller is structurally realized breaking through, to the restriction of flexible member still less, the selection range of flexible member is wide, can select the flexible member instead of rubber such as metal spring for low frequency and high frequency, can evade the defect that existing rubber-like flexible member exists, as temperature sensitivity etc., so its applicable parameter area is wider, performance is more stable, and weatherability is better;
(5) because Rail Surface can utilize space very limited, in the utility model, mass is not arranged on flexible member inside, flexible member takes up room less, and therefore larger heavier mass can be set under the same space condition, and then effectively improves the effect of mass tuning vibration damping;
(6) flexible member, damping material, adhesives can be independent, realizes characteristic optimizing separately, all can mass production, parameter is uniform and stable, binding material is responsible for adhesion strength, elastomeric material is responsible for frequency modulation, energy dissipating is responsible in damping;
(7) elastomeric material is just in case ftracture, and the mass in the track bump leveller can not come off yet, safe and reliable;
(8) flexible member, left and right upper and lower at mass independently arranges, same mass at rail the vertical and horizontal frequency of rail can independently adjust, realize the tuning quality vibration damping at both direction;
(9) be just finished product when the track bump leveller dispatches from the factory, can before dispatch from the factory, the operating frequency to product accurately measured and debug, without field adjustable, only needed to paste, be installed or the securing member connection;
(10) if flexible member by precommpression, even material cracking, internal fissure is arranged, the rigidity of flexible member and the operating frequency of bump leveller can not change.
To sum up, the utility model track bump leveller simple in structure, effect of vibration and noise reduction is good, stable performance, good weatherability, applicable frequency domain is wider, long service life, cost performance is very superior, be conducive to delay the wearing and tearing of rail, extend the application life of rail, its market application foreground is very wide.
The accompanying drawing explanation
One of the structural representation that Fig. 1 is the utility model track bump leveller and application schematic diagram.
Two of the structural representation that Fig. 2 is the utility model track bump leveller and application schematic diagram.
Three of the structural representation that Fig. 3 is the utility model track bump leveller and application schematic diagram.
Four of the structural representation that Fig. 4 is the utility model track bump leveller and application schematic diagram.
Five of the structural representation that Fig. 5 is the utility model track bump leveller and application schematic diagram.
Six of the structural representation that Fig. 6 is the utility model track bump leveller and application schematic diagram.
Seven of the structural representation that Fig. 7 is the utility model track bump leveller and application schematic diagram.
Eight of the structural representation that Fig. 8 is the utility model track bump leveller and application schematic diagram.
Nine of the structural representation that Fig. 9 is the utility model track bump leveller and application schematic diagram.
Figure 10 is one of A section enlarged drawing in Fig. 9.
Figure 11 is two of A section enlarged drawing in Fig. 9.
Ten of the structural representation that Figure 12 is the utility model track bump leveller and application schematic diagram.
11 of the structural representation that Figure 13 is the utility model track bump leveller and application schematic diagram.
12 of the structural representation that Figure 14 is the utility model track bump leveller and application schematic diagram.
The B-B sectional view that Figure 15 is Figure 14.
13 of the structural representation that Figure 16 is the utility model track bump leveller and application schematic diagram.
14 of the structural representation that Figure 17 is the utility model track bump leveller and application schematic diagram.
15 of the structural representation that Figure 18 is the utility model track bump leveller and application schematic diagram.
16 of the structural representation that Figure 19 is the utility model track bump leveller and application schematic diagram.
17 of the structural representation that Figure 20 is the utility model track bump leveller and application schematic diagram.
The C-C sectional view that Figure 21 is Figure 20.
18 of the structural representation that Figure 22 is the utility model track bump leveller and application schematic diagram.
Figure 23 is the D section enlarged drawing in Figure 22.
19 of the structural representation that Figure 24 is the utility model track bump leveller and application schematic diagram.
20 of the structural representation that Figure 25 is the utility model track bump leveller and application schematic diagram.
21 of the structural representation that Figure 26 is the utility model track bump leveller and application schematic diagram.
22 of the structural representation that Figure 27 is the utility model track bump leveller and application schematic diagram.
23 of the structural representation that Figure 28 is the utility model track bump leveller and application schematic diagram.
Figure 29 is the E section enlarged drawing in Figure 28.
24 of the structural representation that Figure 30 is the utility model track bump leveller and application schematic diagram.
25 of the structural representation that Figure 31 is the utility model track bump leveller and application schematic diagram.
The specific embodiment
embodiment mono-
The utility model track bump leveller as shown in Figure 1, comprise flexible member 4 and mass 3, comprise in addition and connect framework 2, connect framework 2 identical with the shape on the corresponding surface of rail with the surface configuration of rail 1 wing plate and web of the rail coupling part, connect in framework 2 and comprise an absorbing chamber 100, mass 3 is arranged in the absorbing chamber 100 that connects framework 2, between mass 3 and 100 chamber, absorbing chamber wall, is provided with flexible member 4.Concrete, flexible member 4 is arranged between mass 3 and absorbing chamber 100 chamber walls along rail is vertical, connecting framework 2 is made by aluminum alloy materials, flexible member 4 is made by elastomeric material, because elastomeric material has good damping characteristic, is elastic solid (Hookean body) damping material commonly used, therefore flexible member 4 is also damping element simultaneously, mass 3 is iron block, wherein, flexible member 4 by sulfuration process respectively with mass 3 with connect framework 2 and be fixed together.In order to increase flexible member and to connect the reliability be connected between framework and mass, be respectively equipped with connection reinforcing structure on the part matching surface of the part matching surface that connects framework and flexible member and mass and flexible member, described connection reinforcing structure is specially the convex-concave structure 31 arranged on the convex-concave structure 30 that arranges on connection framework 2 respective surfaces and mass 3 respective surfaces.
During application, as shown in Figure 1, along rail, vertically utilize adhesives will connect framework 2 strong bond in the rail respective surfaces, can complete the assembling of the utility model track bump leveller and rail, it should be noted that, the utility model track bump leveller need to not arranged continuously on rail, should note dodging the track auxiliary elements such as fastener, splice bar during installation, the one section one section corresponding inoperative of the rail surface be arranged between sleeper gets final product, this point is applicable to all technical schemes of the utility model, at this, illustrates in the lump.Certainly, except bonding, all right auxiliary spring clamp etc. are further strengthened fixed effect, are all this area seating meanses commonly used, in the protection domain all required at the utility model.Under the excitation of rail at wheel during vibration-generating, quality---the spring tuning system that mass and flexible member form, producing reaction force work done power consumption makes the vibration of rail be decayed rapidly, be tending towards static, in addition, connect framework, also form the damping-constraining energy-dissipation structure between elastic body and mass, when mass is greater than 1/2 wavelength of a model frequency with the connection framework, in the process that the mass compression elastic element moves to the connection framework, mass and connection framework can produce effect of contraction to elastomeric material, the elastomeric material between the two is sheared in relative deformation meeting between the two, realize extra shear strain power consumption, therefore can further improve the effect of oscillation damping and energy dissipating.In addition, because the vibrational energy decay of rail is fast, its vibration noise radiation intensity also reduces rapidly accordingly, therefore the utility model track bump leveller can be realized good effect of vibration and noise reduction, simultaneously, can effectively alleviate the wearing and tearing of rail, extend the application life of rail.It is to be noted, in this example, although only along rail is vertical, on the upper and lower surface of mass 3, be provided with flexible member 4 with connecting between framework 1, but because flexible member 4 laterally also has certain elasticity at rail, so this routine described the utility model track bump leveller can realize controlling rail in vertical and horizontal vibration simultaneously.In practical application, can be by the elasticity of optimization flexible member 4 and the gross weight of mass 3, the control of realization to the different frequency vibration, during use, be arranged alternately the utility model track bump leveller of controlling the different frequency vibration on rail inoperative surface and get final product.
The selection of the utility model Elastic element, mass and connection framework can be varied, and for example, flexible member can adopt at least one formation in rubber, elastic polyurethane or metal spring; Mass can adopt the high materials of proportion such as steel, iron to make; Connecting framework can adopt high strength, the corrosion-resistant materials such as stainless steel, aluminium alloys, glass fiber reinforced plastic to make.Certain concrete material difference according to flexible member, mass and connection framework; flexible member can be different with the concrete technique that is connected of mass and connection framework; such as adopting sulfuration, thermal-adhering, bonding or welding etc.; as long as the three firmly can be linked together; can rise and want same effect, among the protection domain all required at the utility model.In addition, according to flexible member, the concrete material difference of mass and connection framework, also can only at the matching surface that connects framework and flexible member, connection reinforcing structure be set, or the connection reinforcing structure only arranged on the matching surface of mass and flexible member, the concrete structure of surface convex-concave structure can be projection, pit, the various forms such as continuous fin or continuous groove, the cross sectional shape of surface convex-concave structure can be rectangle, trapezoidal, circular arc, triangle, the various shapes such as T font, connection reinforcing structure is except the surperficial convex-concave structure of having mentioned, can also be the form of structure such as surface knurling structure or surface galling structure, also can realize good effect, accompanying drawing explanation one by one, at this, only with word, describe, among the protection domain all required at the utility model.
Compared with prior art, the utility model track bump leveller, by the quality of mass and flexible member formation---spring system is arranged on and connects in framework, and it has following advantage:
(1) connect that framework confrontation gauge block and flexible member form quality---spring system forms effective protection, when using macromolecular material, it is aging that elastomeric material is difficult for generation especially, can greatly extend the application life of product;
(2) because mass is not wrapped in flexible member as prior art, only with elastic element series, therefore the selection range of flexible member is wider, the use of metal spring becomes possibility, can give full play to the metal spring good springiness, physical property is subject to the ambient influnences such as humiture little, and damping property is efficient stable more, the advantages such as long service life;
(3) except the mass tuning vibration damping, when mass is greater than 1/2 wavelength of a model frequency with the connection framework, mass and connection framework can produce effect of contraction to flexible member and damping element, the damping material between the two is sheared in relative deformation meeting between the two, realize extra shear strain power consumption, so effectiveness in vibration suppression is more remarkable;
(4) the utility model track bump leveller is structurally realized breaking through, to the restriction of flexible member still less, the selection range of flexible member is wide, can select the flexible member instead of rubber such as metal spring for low frequency and high frequency, can evade the defect that existing rubber-like flexible member exists, as temperature sensitivity etc., so its applicable parameter area is wider, performance is more stable, and weatherability is better;
(5) because Rail Surface can utilize space very limited, in the utility model, mass is not arranged on flexible member inside, flexible member takes up room less, and therefore larger heavier mass can be set under the same space condition, and then effectively improves the effect of mass tuning vibration damping;
(6) flexible member, damping material, adhesives can independently be realized characteristic optimizing separately, all can mass production, and parameter is uniform and stable, and binding material is responsible for adhesion strength, and elastomeric material is responsible for frequency modulation, and energy dissipating is responsible in damping;
(7) elastomeric material is just in case ftracture, and the mass in the track bump leveller can not come off yet, safe and reliable;
(8) flexible member, left and right upper and lower at mass independently arranges, same mass at rail the vertical and horizontal frequency of rail can independently adjust, realize the tuning quality vibration damping at both direction;
(9) be just finished product when the track bump leveller dispatches from the factory, can before dispatch from the factory, the operating frequency to product accurately measured and debug, without field adjustable, only needed to paste, be installed or the securing member connection;
(10) if flexible member by precommpression, even material ftractures, has internal fissure, the operating frequency of the rigidity of flexible member and track bump leveller can not change, on the other hand, when when controlling dither, the amplitude of mass is less, after precommpression, the rigidity of flexible member is linear change, easier Exact Design regulation and control; The 3rd, owing to having implemented pretension, elastomeric material is just in case ftracture, and mass can not come off yet, safe and reliable.The utility model Elastic element can pretension, and whether yet pretension not or not need to not consider the spacing or fixing of flexible member during, and these characteristics are applicable to all embodiment of the utility model, at this, illustrate in the lump, in the embodiment of back, repeat no longer one by one.In general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
In sum, the utility model track bump leveller simple in structure, the vibration and noise reducing performance is good, and cost is low, long service life, cost performance is very superior, is conducive to delay the wearing and tearing of rail, extends the application life of rail, and its market application foreground is very wide.
embodiment bis-
The utility model track bump leveller as shown in Figure 2, with the difference of embodiment mono-, be, flexible member 4 is arranged between the vertical chamber wall surface of mass 3 rail 1 corresponding to absorbing chamber 100, connecting framework 2 is made by glass-reinforced plastic material, flexible member 4 is made by the high damping elastane, mass 3 is made by Steel material, and wherein, flexible member 4 is fixed together with mass 3 and absorbing chamber 100 chamber walls respectively by chemical adhesive technique.In order to increase flexible member and to connect the reliability be connected between framework and mass, be respectively equipped with connection reinforcing structure on the matching surface of the matching surface that connects framework and flexible member and mass and flexible member, described connection reinforcing structure is specially the surface knurling structure 33 arranged on the surface galling structure 32 that arranges on connection framework 2 respective surfaces and mass 3 respective surfaces.The high damping elastane adopted due to flexible member 4 also has good damping characteristic, is also one of elastic solid (Hookean body) damping material commonly used, so flexible member 4 is also damping element simultaneously.In addition, flexible member 4 with mass 3 and when connecting framework 2 and being assembled by precommpression, in its pre-compressed state, and the precommpression displacement of flexible member 4 while being greater than mass 3 work with respect to the amplitude of absorbing chamber 100 chamber walls.
Assembly method between this routine described technical scheme and rail and advantage and embodiment mono-are basic identical, at this, no longer repeat.It is to be noted, in this routine described the utility model track bump leveller, only in mass 3 left and right sides, be provided with flexible member 4 with connecting between framework 1, therefore this routine described the utility model track bump leveller is mainly used in controlling rail in horizontal vibration, and it also has certain control action to vertical vibration certainly.With embodiment mono-, compare, in this routine described technical scheme, because flexible member has been implemented to precommpression, even the cracking of the high damping elastane in flexible member, internal fissure is arranged, the operating frequency of the rigidity of flexible member and the utility model track bump leveller can not change, and its damping property is more reliable and more stable.
In practical application, can, by the elasticity of optimization flexible member 4 and the gross weight of mass 3, realize the control to the different frequency vibration.During use, can, for a plurality of main vibration frequency of rail, the utility model track bump leveller of controlling the corresponding vibration frequency be arranged alternately on rail inoperative surface and get final product.
Certainly, know-why based on described in embodiment mono-, in the assembling process of this routine described the utility model track bump leveller, also can to mass with connect the flexible member arranged between framework and do not implement precommpression, in practical application, can, according to the characteristics of required control track structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment tri-
The utility model track bump leveller as shown in Figure 3, with the difference of embodiment mono-, be, connecting framework 2 is made by steel, flexible member 4 is arranged between the horizontal chamber wall surface of mass 3 rail 1 corresponding to absorbing chamber 100, flexible member 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 mass 3.In addition, for guaranteeing in use procedure, flexible member 4 forms effectively supporting to mass 3 all the time, flexible member 4 with mass 3 and when connecting framework 2 and being assembled by precommpression, in its pre-compressed state, and the precommpression displacement of flexible member 4 while being greater than mass 3 work with respect to the amplitude of absorbing chamber 100 chamber walls.
This routine described technical scheme is identical with the application process of embodiment mono-, at this, no longer repeats.In addition, with embodiment mono-, compare, this routine described the utility model track bump leveller also has following advantage: owing to adopting helical steel springs as flexible member, helical steel springs is except having good elasticity vertical, it laterally also has good elasticity, therefore by the vertical stiffness of control helical steel springs and the relation between lateral stiffness, this routine described the utility model track bump leveller can be controlled the horizontal and vertical vibration of rail simultaneously, its physical property is subject to the such environmental effects such as humiture little, damping property is efficient stable more, longer service life.In addition, can be used as the metal spring of flexible member except already mentioned helical spring, can also be dish spring or leaf spring, can realize good effect, among the protection domain all required at the utility model.Certainly, for the elastomeric bearing that guarantees that flexible member is in use remained valid to mass all the time, the flexible member formed for independent employing metal spring, in the process of the utility model processing and manufacturing, preferably, all implement precommpression when flexible member and mass and connection framework are assembled, this point also is applicable to the technical scheme that other independent applied metal springs of the utility model form flexible members, at this, is described in the lump.
Certainly, the utility model does not repel flexible member not by precompressed technical scheme yet, according to different needs, flexible member also can not precommpression, for example in this example can by the metal coil spring two ends respectively with mass and connect framework be welded and fixed or be adhesively fixed together with, flexible member is not implemented to precommpression.It is to be noted; by the metal coil spring two ends respectively with mass and connect together with framework is adhesively fixed on; except the location that can realize flexible member; can also realize the function that some is special; for example utilize adhesives that the two end portions turn of metal coil spring is locked; can eliminate metal coil spring because of mismachining tolerance or/and the initial nonlinear problem of the spring rate that rigging error causes, within the protection domain all required at the utility model.In general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment tetra-
The utility model track bump leveller, be with the difference of embodiment tri-as shown in Figure 4, and the flexible member 4 that helical steel springs forms is arranged on mass 3 rail 1 corresponding to absorbing chamber 100 simultaneously and laterally reaches between vertical chamber wall surface.
With embodiment tri-, compare, in this routine described technical scheme, flexible member is upper and lower at mass, left and right independently arranges, same mass can independently be adjusted in the vertical and horizontal frequency of rail of rail, realize the tuning quality vibration damping at both direction, its phase mutual interference is little, and control accuracy is higher.In addition, because flexible member is supporting whole mass surrounding, in use procedure the motion of mass more stable, be not easy produce to swing and overturning moment.
Certainly, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment five
The utility model track bump leveller, be with the difference of technical scheme shown in Fig. 4 as shown in Figure 5, and the flexible member 4 of mass 3 surrounding settings is made by elastane.In addition, connect on framework 2 and also be provided with junction plate 5, junction plate 5 is provided with connecting hole 6.
During application, as shown in Figure 5, except the utility model track bump leveller that rail 1 left and right sides is arranged is adhesively fixed on respectively on Rail Surface, also utilize junction plate 5 to be buckled in the Rail bottom, junction plate 5 in the utility model track bump leveller that utilizes securing member 7 by connecting hole 6, rail 1 left and right sides to be arranged is fixed together, and can further improve like this stability of the utility model track bump leveller and rail assembling.Even adhesive failure, the utility model track bump leveller still can be fixed on Rail Surface, can not come off.In addition, owing to connecting, framework is very reliable with being connected of rail, and flexible member 4 is again in Pre strained state, has both made to separate between mass 3 and flexible member 4, and mass 3 is also difficult to be deviate from from absorbing chamber 100, can not cause potential safety hazard to driving.
Certainly, know-why based on described in embodiment mono-, in the assembling process of this routine described the utility model track bump leveller, also can to mass with connect the flexible member arranged between framework and do not implement precommpression, in practical application, can, according to the characteristics of required control track structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment six
The utility model track bump leveller as shown in Figure 6, with the difference of embodiment five, be, flexible member 4 is the complex spring that rubber and metal spring form, in addition, on junction plate 5, buckle structure is set, described buckle structure comprises draw-in groove 8 and the claw 9 arranged respectively on the junction plate 5 cooperatively interacted.During application, except bonding, the recycling buckle structure is fastened and connected the utility model track bump leveller of rail both sides together, so firmly and rail be assembled into one.Elastomeric material in this flexible member 4 also forms damping element simultaneously.
In this routine described technical scheme, flexible member 4 consists of the complex spring of rubber and metal spring, adopt rubber-metal composite spring, high resiliency, the long-life of metal spring both can have been given full play to, can utilize again elastomeric material effectively to suppress metal spring resonance in use, be conducive to damping property and the application life of further improving product.
Certainly, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment seven
The utility model track bump leveller, be with the difference of embodiment six as shown in Figure 7, and junction plate 5 is provided with bending connecting portion 10.During application, connect the web of the rail and wing plate place that framework 2 is fitted in rail 1 one sides, junction plate 5 coats the whole flange of rail, then bending connecting portion 10 bent bucklings is combined in to the wing plate place of rail 1 opposite side, realizes the assembling between the utility model track bump leveller and rail.
With embodiment six, compare, in this routine described technical scheme, the utility model track bump leveller utilizes junction plate and bending connecting portion directly to be fastened on rail inoperative surface, install and remove convenient and swiftly, be convenient to safeguard, safe and reliable, during application, can be arranged alternately in the rail left and right sides.Certainly, also can utilize adhesives that the utility model track bump leveller and rail are sticked together simultaneously.While utilizing the bending connecting portion directly to be assemblied on rail by the utility model track bump leveller; if connect framework, adopt metal material to make; clash into sounding for preventing from connecting metal between framework and rail; also can on the contact surface that connects framework 2 and junction plate 5 and rail, set up one deck solid damping material; now connect framework 2, junction plate 5, rail 1 and solid damping material layer and can also form constrained damping structure; strengthen energy dissipation capacity; improve effectiveness in vibration suppression; accompanying drawing explanation no longer one by one, among the protection domain all required at the utility model.
Certainly, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment eight
The utility model track bump leveller as shown in Figure 8, with the difference of embodiment seven, be, connect framework 2 and be fastened on rail 1 flange of rail below by the bending connecting portion 10 arranged on junction plate 5 and junction plate 5, realize the assembling between the utility model track bump leveller and rail.In addition, in absorbing chamber 100, the complex spring that flexible member 4 is made by metal stamper spring and elastane forms, and wherein the end of metal stamper spring is welded and fixed and is integral with adjacent framework 2 and the mass 3 of connecting.
With embodiment seven, compare, this routine described the utility model track bump leveller utilizes complex spring that metal stamper spring and elastane make as flexible member 4, can take full advantage of dish spring bearing capacity strong, long service life, and the advantage such as take up room little.In addition, can take full advantage of the space at the bottom of Rail, be conducive to the mass that the slot milling setting is larger, further promote damping property.Certainly, described in embodiment seven, if connect framework, adopt metal material to make, for preventing from connecting metal between framework and rail, clash into sounding, also can on the contact surface of junction plate 5 and rail, one deck damping material be set.
Certainly, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment nine
The utility model track bump leveller as shown in Figure 9, Figure 10, with the difference of embodiment seven, be, flexible member 4 consists of leaf spring, and metal clips 11 and surface coated rubber layer 12 thereof that described leaf spring is made by spring steel form jointly, holds respectively the stopper slot of leaf spring accordingly on mass 3.It is pointed out that, in flexible member 4, metal clips 11 mainly provides elasticity, rubber layer 12 mainly provides damping, so rubber layer 12 is used in this as damping element.
The application process of this routine described track bump leveller and embodiment seven is identical, at this, no longer repeats.With embodiment seven, compare, this routine described the utility model track bump leveller, except the tuning system of mass and flexible member formation can be realized passive energy dissipation, metal clips 11 in flexible member is also constantly sheared rubber layer 12 between the two in the course of the work under the constraint that connects framework, realize shear energy dissipation, therefore power consumption is faster, and effectiveness in vibration suppression is also better.
Certainly, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment ten
The utility model track bump leveller as shown in Fig. 9 and Figure 11 is that with the difference of embodiment nine flexible member 4 consists of leaf spring, and the metal clips 14 that described leaf spring is made by two flat spring steel and the rubber layer 13 of middle sandwiched thereof form jointly.Similar to embodiment nine, rubber layer 13 is also used as damping element at this.
The application process of this routine described technical scheme and advantage are all basic identical with embodiment nine, unique being noted that, in this example, metal clips 14 directly forms constrained damping structure with rubber layer 13, also can realize in the course of the work the power consumption continued, because the effective area of shearing damp material between metal clips 14 is larger, so its shearing damp power consumption is more, decay rail vibration energy is faster, and effectiveness in vibration suppression is better.
Equally, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
Based on Fig. 6, the know-why of Fig. 7 and Fig. 8, the utility model track bump leveller as shown in figure 12, comprise the connection framework 18 of rail 1 web of the rail right side setting and the connection framework 15 that the flange of rail arranges, and the connection framework 22 of rail left side setting, wherein, connect framework 18 and connect framework 15 and be wholely set, connect in framework 18 and comprise an absorbing chamber 101, mass 19 is set in absorbing chamber 101, be respectively equipped with flexible member 20 between the chamber wall surface vertical and horizontal along rail of mass 19 and absorbing chamber 101, flexible member 20 is composited by helical steel springs and elastomeric material, connect in framework 15 and comprise an absorbing chamber 102, mass 16 is set in absorbing chamber 102, between the chamber wall surface vertical and horizontal along rail of mass 16 and absorbing chamber 102, be respectively equipped with flexible member 17, flexible member 17 is made by elastomeric material, connect in framework 22 and comprise an absorbing chamber 103, mass 23 is set in absorbing chamber 103, be respectively equipped with flexible member 21 between the chamber wall surface vertical and horizontal along rail of mass 23 and absorbing chamber 103, flexible member 21 is composited by helical steel springs and elastomeric material.In addition, connect the junction plate 25 that is provided with connecting hole on framework 15, connect the junction plate 24 that is provided with connecting hole on framework 22, utilize securing member 26 by connecting hole, junction plate 25 and junction plate 24 to be connected, and then realize the utility model track bump leveller and rail firmly are assembled together.
Certainly, for preventing from connecting metal between framework and rail, clash into sounding, also one deck damping material can be set on the contact surface of the utility model and rail.In addition, in order to improve the reliability of connection, also can utilize adhesives that the utility model and rail are sticked together simultaneously.All the simple change in the utility model assembling, in the middle of the protection domain all required at the utility model.
In this routine described technical scheme, the utility model track bump leveller has covered the inoperative surface of most of rail, comprise the flange of rail, wing plate and the part web of the rail, take full advantage of space, be provided with quality---the spring tuning system that more multimass piece and flexible member form, be conducive to decay the sooner vibrational energy of rail, further improve the vibration and noise reducing performance of product.It is worth mentioning that in addition, owing to being provided with a plurality of absorbings chamber, therefore can comprise the tuning system that a plurality of masses and flexible member form, can utilize different tuning systems to control the vibration of different frequency, the vibration frequency of its control is more, and effectiveness in vibration suppression is better.
Based on this routine described know-why; the utility model track bump leveller as shown in figure 13; the connection framework 18 that one also can only be set with connect framework 15; connect on framework 15 junction plate 5 is set; junction plate 5 one ends arrange bending connecting portion 10 for rail 1 snapping; also can realize good effect, among the protection domain also required at the utility model.
In addition, according to different needs, in this routine track bump leveller, flexible member can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller as shown in Figure 14 and Figure 15, with the difference of embodiment seven, be, connect framework 2 and vertically by dividing plate 48, be separated into four absorbing chambeies along rail, be equipped with mass and flexible member in each absorbing chamber, wherein, be provided with mass 40 and flexible member 41 in absorbing chamber 104, flexible member 41 is arranged between mass and chamber, absorbing chamber wall around mass 40; Be provided with mass 42 and flexible member 43 in absorbing chamber 105, flexible member 43 is arranged between mass and chamber, absorbing chamber wall around mass 42; Be provided with mass 44 and flexible member 45 in absorbing chamber 106, flexible member 45 is arranged between mass and chamber, absorbing chamber wall around mass 44; Be provided with mass 46 and flexible member 47 in absorbing chamber 107, flexible member 47 is arranged between mass and chamber, absorbing chamber wall around mass 46. Mass 40,42,44 and 46 all adopts cast iron materials to make, and flexible member 41,43,45 and 47 all adopts the high damping elastic rubber material to make, and also as damping element, uses simultaneously.
This routine described the utility model track bump leveller is identical with the application mode of embodiment seven, no longer repeats.With embodiment seven, compare, the sharpest edges of this routine described technical scheme are, vertically be provided with along rail the absorbing chamber that four sizes differ owing to connecting in framework, mass size in each absorbing chamber is different, flexible member thickness in each absorbing chamber is also different, therefore, optimize respectively the parameter of mass and flexible member in each absorbing chamber, just can make the quality that in each absorbing chamber, mass and flexible member form---the spring tuning system is controlled a certain CF vibration, can control the vibration of four frequencies simultaneously, effect of vibration and noise reduction after use is better.In addition; the material of the mass adopted in different absorbings chamber can be different; the material of the flexible member adopted in different absorbings chamber also can be different; as long as adjust quality and elastic element rigidity; can effectively control a certain specific vibration frequency, in the middle of the protection domain all required at the utility model.In addition; know-why based on narration in embodiment tetra-; being positioned at upper and lower and flexible member left and right of mass also can consist of different materials; mass can independently be adjusted in the vertical and horizontal frequency of rail of rail like this; realize the tuning quality vibration damping at both direction; its phase mutual interference is little; control accuracy is higher; these characteristics also are applicable to other flexible members and are arranged on the technical scheme between mass and chamber, absorbing chamber wall around mass; at this, with word, be described in the lump, among the protection domain also required at the utility model.
Equally, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment 13
The utility model track bump leveller as shown in Figure 14 and Figure 16, with the difference of embodiment 12, be, connect in framework 2 and comprise an absorbing chamber, mass 40 and flexible member 41 are set in the absorbing chamber, mass 40 is made by cast steel, and flexible member 41 is made by the high damping elastic caoutchouc, and flexible member 41 is arranged between the chamber wall in mass and absorbing chamber around mass 40 surroundings, at this, flexible member 41 is also damping element simultaneously.In addition, mass 40 only interlude be arranged on the Nei, two ends, absorbing chamber that connect framework 2 and extend to respectively and connect beyond framework 2.
This routine described technical scheme, except all advantages with the track of the utility model shown in Fig. 5 bump leveller, because its mass only partly is arranged in the absorbing chamber, adjust the parameters such as quality and elastic element rigidity more convenient, except can be for controlling medium-high frequency vibration, because it can arrange larger mass, also be specially adapted to control low frequency vibration again, the scope of application is wider.This routine described track bump leveller vertically is fixedly installed on the rail inoperative surface between adjacent sleeper along rail equally, dodge the orbit elements such as fastener during assembling, owing to connecting framework 2, along rail, Length Ratio mass 40 is short longitudinally, therefore also helps the saving material.
Equally, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
embodiment 14
The utility model track bump leveller as shown in Figure 14 and Figure 17, with the difference of embodiment 13, be, comprise that two connect framework 2, two connect the end that framework is separately positioned on mass 40, each connects in framework 2 and comprises an absorbing chamber, mass 40 and flexible member 41 is set, wherein in the absorbing chamber, the mass 40 only local segment of two ends is arranged in the absorbing chamber, and mid portion is exposed to be connected between framework at two.
With embodiment 13, compare, this routine described technical scheme, the production assembling is convenient, and in the middle of mass, the sectional dimension of naked section even can be greater than and connect the framework sectional dimension, is conducive to larger mass is set, and controls more low-frequency vibration.Simultaneously, the mass two ends coordinate with flexible member and connection framework, and during work, stability is also better.In addition, also help the materials'use amount that further reduction connects framework, cost-saving.
Certainly, based on this routine described know-why, connect framework also can arrange three even more, among the protection domain all required at the utility model.In addition, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
Except as shown in Figure 15, a plurality of absorbings chamber in the connection framework is outside rail vertically arranges, the utility model track bump leveller as shown in figure 18, be with the difference of embodiment 12, connect in framework 2 and comprise three absorbing chambeies, three absorbing chambeies are along the vertical setting of rail, wherein, be provided with mass 58 and flexible member 59 in the absorbing chamber of the top, in middle absorbing chamber, be provided with mass 60 and flexible member 61, in the absorbing chamber of below, be provided with mass 62 and flexible member 63.Mass 58,60 and 62 is made by the high density concrete material, and flexible member 59,61 and 63 is made by elastane.
During application, as shown in figure 18, utilize adhesives directly to be adhesively fixed on rail head bottom and the web of the rail place of rail 1 this routine described the utility model track bump leveller, the reliability be connected and fixed for increase, also utilize spring clip 64 to coordinate the utility model track bump leveller is clamped in to Rail Surface, complete the assembling between the utility model track bump leveller and rail.
Similar to embodiment 12, by optimizing quality and elastic element rigidity, the utility model track bump leveller can be controlled the vibration of a plurality of frequencies simultaneously, very convenient to use, the tuner that for example, can utilize mass 58 and flexible member 59 to form is controlled the beat vibration at rail head place; The tuner that utilizes mass 60 and flexible member 61 to form is controlled the horizontal and vertical vibration at web of the rail place; The tuner that utilizes mass 62 and flexible member 63 to form is controlled the vibration at the web of the rail and wing plate place, for the vibration characteristic of zones of different, controls targetedly, and effectiveness in vibration suppression is better.Adopt high density concrete to make mass, corrosion can not occur, long service life, and can greatly reduce costs.In addition; mass in this example in different absorbings chamber and flexible member also can adopt different materials to make; such as adopting respectively metal spring, rubber spring and the Elastic polyurethane spring etc.; in addition; can also adopt ordinary concrete or steel concrete to make mass; also can realize good effect, among the protection domain all required at the utility model.
Equally, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller, be with the difference of embodiment 15 as shown in figure 19, connects in framework 2 and comprise four absorbing chambeies, and four absorbing chambeies are the sphere of movements for the elephants type and arrange.Wherein in upper left absorbing chamber, mass 49 and flexible member 50 are set, mass 51 and flexible member 52 are set in top-right absorbing chamber, lower left the absorbing chamber in mass 53 and flexible member 54 are set, mass 55 and 56 and flexible member 57 are set in bottom-right absorbing chamber.All masses all adopt cast iron materials to make, and flexible member 50,52,54 and 57 adopts respectively the elastomeric material of dissimilar different-stiffness to make.
Similar to embodiment 15, this routine described the utility model track bump leveller also can be controlled the vibration of a plurality of frequencies simultaneously, and special lower right is provided with two masses in the absorbing chamber, after Optimal Parameters, can realize that its damping efficiency is higher to the control of different frequency vibration.
It is to be noted, based on embodiment 12, embodiment 15 and this routine know-why, connect absorbing chamber in framework can along rail vertical or/and along rail laterally or/and vertically arrange along rail, it can realize controlling the vibration of a plurality of frequencies, uses very convenient.Equally, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller as shown in Figure 20 and Figure 21, with the difference of the bump leveller of track shown in Fig. 4, be, connecting framework 2 is made by steel plate, also be provided with damping element 65 in the absorbing chamber 100 of connection framework, described damping element 65 consists of the fluid damping material, the both-side opening place in absorbing chamber 100 is provided with seal 66, seal 66 is made by steel plate, seal 66 with connect frame welding and be fixed together, absorbing chamber 100 is sealed fully, and the fluid damping material is filled in the part space between mass 3 and absorbing chamber 100 chamber walls.
Application process and the embodiment mono-of this routine described the utility model track bump leveller are identical, at this, no longer repeat.With the bump leveller of track shown in Fig. 4, compare, owing to having set up the damping element 65 that the fluid damping material forms in absorbing chamber 100, when mass 3 absorption rail vibration energy are subjected to displacement, the fluid damping material can produce one and hinder the counter-force that mass moves, thereby the energy of mass is consumed rapidly.Therefore, not only can make the vibrational energy of rail decay rapidly, can also suppress the resonance of flexible member 4, make flexible member 4 recover rapidly static, thus the fatigue life of improving flexible member, and then the application life of prolongation the utility model product.
According to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller, be with the difference of embodiment 17 as shown in Figure 22 and Figure 23, and mass 3 is provided with the flow-disturbing convex-concave structure, and many cross sectional shapes that the flow-disturbing convex-concave structure is specially mass 3 surface settings are leg-of-mutton fin 67.
With embodiment 17, compare, because mass 3 surfaces are provided with many fins 67, mass 3 is larger with effective contact area of the damping element 65 that the fluid damping material forms, and the resistance that the fluid damping material produces mass is also just larger, therefore power consumption is faster, and effectiveness in vibration suppression is also better.
Based on this routine described know-why, the cross sectional shape of fin 67 can be also circular arc, rectangle, the various shape such as trapezoidal.In addition, the flow-disturbing convex-concave structure can be varied, for example, also can be as shown in figure 24, many grooves 68 that the flow-disturbing convex-concave structure is arranged by mass 3 surfaces form; Perhaps as shown in figure 25, a plurality of local crownings 69 that the flow-disturbing convex-concave structure is arranged by mass 3 surfaces form; Again or as shown in figure 26, a plurality of local pit 70 that the flow-disturbing convex-concave structure is arranged by mass 3 surfaces forms.Certainly right except shape shown; the cross sectional shape of groove 68, local crowning 69 and local pit 70 also can be varied; as long as can improve effective contact area of mass and fluid damping material, can realize good effect, among the protection domain all required at the utility model.
According to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller, be with the difference of embodiment 18 as shown in figure 27, and the flow-disturbing convex-concave structure consists of a plurality of flow-disturbings along the vertical perforation of the rail hole 71 arranged on mass 3.Flow-disturbing hole 71 is immersed in the damping element 65 of fluid damping material formation.
Effective contact area of mass and fluid damping material can be effectively improved in the flow-disturbing hole 71 arranged on mass 3.When mass 3 moves, the fluid damping material in flow-disturbing hole 71 and mass 3 can relatively move, and therefore can produce resistance and be consumed energy, so the damping property that product can be effectively improved in flow-disturbing hole 71 later is set on mass 3.Due to flow-disturbing hole 71, along the vertical setting of rail, vertical when mobile along rail when mass, effectiveness in vibration suppression is the most obvious, so this technical scheme is more suitable for controlling the vertical vibration of rail.Based on this principle, as shown in Figure 27, also the flow-disturbing hole 72 horizontal along rail can be set on mass, to control the oscillation crosswise of rail.Certainly, can simultaneously the flow-disturbing hole vertical along rail be set on mass and along rail horizontal flow-disturbing hole, be conducive to improve the ability of controlling rail vibration, among the protection domain also required at the utility model comprehensively.
According to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller as shown in Figure 28 and Figure 29, with the difference of embodiment 16, be, also be provided with moving vane 73 on mass 3, absorbing chamber 100 chamber walls are provided with stator blade 74 and coordinate with moving vane 73 is staggered, in adjacent stator blade 74 and the part space between moving vane 73, are provided with fluid damping material 65.
Similar to the know-why of record in embodiment 18, be provided with respectively moving vane and the stator blade cooperatively interacted on chamber wall due to mass and absorbing chamber, can significantly improve the effective contact area between mass and fluid damping material, moving vane and stator blade cooperatively interact in the course of the work simultaneously, the effect of also the fluid damping material production being extruded, therefore power consumption is faster, and effectiveness in vibration suppression is better.
According to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller, be with the difference of embodiment 20 as shown in figure 30, and moving vane 73 is provided with flow-disturbing hole 75, also is provided with flow-disturbing hole 76 on stator blade 74.
Owing to being provided with respectively the flow-disturbing hole on moving vane and stator blade, when moving vane when the stator blade, the fluid damping material also suffer oppression can be in the flow-disturbing hole vibration, further improved energy dissipation capacity, and then the effectiveness in vibration suppression of improving product.Certainly based on this routine described know-why, also can the flow-disturbing hole only be set on one of moving vane or stator blade, also can play good effectiveness in vibration suppression.In addition; know-why based on described in this routine described know-why and embodiment 18; also can be at stator blade or/and the flow-disturbing convex-concave structure be set on moving vane; such as fin, projection, local crowning or local pit etc. are set; can play close effect; among the protection domain all required at the utility model, at this, only with word, be described, no longer in addition accompanying drawing.
According to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller as shown in figure 31, with the difference of embodiment five, be, the part wing plate and the part flange of rail that connect framework 2 parcel rail 1 arrange, connect in framework 2 and comprise an absorbing chamber 100, the shape of corresponding mass 3 is " C " font, laterally reach along rail between mass 3 and absorbing chamber 100 that rail is vertical is respectively equipped with the flexible member 4 that elastomeric material is made, flexible member 4 by sulfuration process with mass 3 and connect framework 2 and be fixed together, flexible member 4 with mass 3 and when connecting framework 2 and being assembled by precommpression, in its pre-compressed state, and when the precommpression displacement of flexible member 4 is greater than mass 3 work with respect to the amplitude of absorbing chamber 100 chamber walls.
Assembly method and embodiment five between this routine described track bump leveller and rail are basic identical, at this, no longer repeat.This routine described technical scheme is compared with embodiment five, and the rigging position of track bump leveller on rail is lower, can step down for rail auxiliaries such as splice bars, thereby improve the adaptive capacity to the rail gauge.In addition, as shown in figure 31, this routine described the utility model track bump leveller is in application process, can also be used in conjunction with the labyrinth damping restraining plate, described labyrinth type Constrained Plates comprises junction plate 201 and restraining plate 200, the convex-concave structure cooperatively interacted is set respectively on junction plate 201 and restraining plate 200, in the fit clearance between junction plate 201 and restraining plate 200, damping material layer 202 is set.Because the labyrinth type Constrained Plates has the effect of wideband vibration and noise reducing, with the utility model track bump leveller, jointly use, can utilize the track bump leveller to control vibration noise and contribute outstanding CF vibration, recycling labyrinth type Constrained Plates effectively suppresses vibration noise in very wide frequency range, and its effect of integrated pest management to the rail vibration noise is outstanding.Certainly, based on this routine described know-why, as required, the utility model other technologies scheme also can be used in conjunction with the labyrinth type Constrained Plates, for example the track bump leveller shown in Figure 28 is in application, also the web of the rail place above the track bump leveller sets up the labyrinth type Constrained Plates simultaneously, perhaps the track bump leveller shown in Figure 22 is when application, also can the while set up the labyrinth type Constrained Plates in bottom in-orbit, also can play fine effect of vibration and noise reduction, only with word, be described accompanying drawing explanation no longer one by one at this.Be noted that, in this example, according to different needs, this routine Elastic element can precommpression also can not precommpression, in general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
By above-described embodiment, can find out, compared with prior art, the utility model track bump leveller, quality by mass and flexible member formation---spring system is arranged on and connects in framework, it at least has the following advantage of part: (1) connect that framework confrontation gauge block and flexible member form quality---spring system forms effective protection, when using macromolecular material, elastomeric material is difficult for occurring aging especially, can greatly extend the application life of product; (2) because mass is not wrapped in flexible member as prior art, only with elastic element series, therefore the selection range of flexible member is wider, the use of metal spring becomes possibility, can give full play to the metal spring good springiness, physical property is subject to the ambient influnences such as humiture little, and damping property is efficient stable more, the advantages such as long service life; (3) except the mass tuning vibration damping, when mass is greater than 1/2 wavelength of a model frequency with the connection framework, mass and connection framework can produce effect of contraction to flexible member and damping element, the damping material between the two is sheared in relative deformation meeting between the two, realize extra shear strain power consumption, so effectiveness in vibration suppression is more remarkable; (4) the utility model track bump leveller is structurally realized breaking through, to the restriction of flexible member still less, the selection range of flexible member is wide, can select the flexible member instead of rubber such as metal spring for low frequency and high frequency, can evade the defect that existing rubber-like flexible member exists, as temperature sensitivity etc., so its applicable parameter area is wider, performance is more stable, and weatherability is better; (5) because Rail Surface can utilize space very limited, in the utility model, mass is not arranged on flexible member inside, flexible member takes up room less, and therefore larger heavier mass can be set under the same space condition, and then effectively improves the effect of mass tuning vibration damping; (6) flexible member, damping material, adhesives can independently be realized characteristic optimizing separately, all can mass production, and parameter is uniform and stable, and binding material is responsible for adhesion strength, and elastomeric material is responsible for frequency modulation, and energy dissipating is responsible in damping; (7) elastomeric material is just in case ftracture, and the mass in the track bump leveller can not come off yet, safe and reliable; (8) flexible member, left and right upper and lower at mass independently arranges, same mass at rail the vertical and horizontal frequency of rail can independently adjust, realize the tuning quality vibration damping at both direction; (9) be just finished product when the track bump leveller dispatches from the factory, can before dispatch from the factory, the operating frequency to product accurately measured and debug, without field adjustable, only needed to paste, be installed or the securing member connection; (10) if flexible member by precommpression, even material ftractures, has internal fissure, the operating frequency of the rigidity of flexible member and track bump leveller can not change, on the other hand, when when controlling dither, the amplitude of mass is less, after precommpression, the rigidity of flexible member is linear change, easier Exact Design regulation and control; The 3rd, owing to having implemented pretension, elastomeric material is just in case ftracture, and mass can not come off yet, safe and reliable.
The utility model Elastic element can pretension, and whether yet pretension not or not need to not consider the spacing or fixing of flexible member during.In general, while controlling dither, must implement pretension to flexible member, while controlling low frequency vibration, flexible member is pretension not, in practical application, can, according to the characteristics of required control structure vibration frequency, select whether flexible member to be implemented to precommpression.
The utility model track bump leveller applicability is strong, long service life, and good weatherability, effect of vibration and noise reduction is good, and market application foreground is very wide.In addition, the embodiment in the utility model is only better explanation the technical solution of the utility model, should not be considered as restriction of the present utility model, and wherein the technical characterictic in many embodiment also can cross-reference.In addition the utility model also can't limit and rail between assembly method, in utilizing embodiment, mention bonding, be fastened and connected, the method such as securing member connection, can also utilize the technological means such as spring clip to be mounted with.Based on the utility model know-why; those skilled in the art can re-start combination or utilize similar technology simply to replace some element wherein the described technical scheme of above-described embodiment; as long as based on know-why of the present utility model, in the protection domain all required at the utility model.
Claims (13)
1. a track bump leveller, comprise flexible member and mass, characterized by further comprising at least one and connect framework, described connection framework is identical with the shape on the corresponding surface of rail with the surface configuration of rail inoperative surface coupling part, comprise at least one absorbing chamber in described connection framework, described mass is local being arranged in the absorbing chamber that connects framework at least, between the chamber wall in mass and absorbing chamber, is provided with flexible member.
2. track bump leveller according to claim 1, it is characterized in that, described flexible member is horizontally installed between the chamber wall in mass and absorbing chamber along the vertical or/and rail of rail, or flexible member is arranged between the chamber wall in mass and absorbing chamber around mass.
3. track bump leveller according to claim 1 and 2, is characterized in that, at least one in rubber, elastic polyurethane or metal spring of described flexible member forms; Wherein, described metal spring comprises dish spring, leaf spring and helical spring.
4. track bump leveller according to claim 1, it is characterized in that, the flexible member arranged between described mass and chamber, absorbing chamber wall is when its pre-compressed state, and the precommpression displacement of flexible member is greater than mass when work amplitude with respect to chamber, absorbing chamber wall.
5. track bump leveller according to claim 1, characterized by further comprising damping element, and described damping element is arranged between mass and chamber, absorbing chamber wall; Described damping element consists of elastic solid (Hookean body) damping material or fluid damping material; When described damping element is liquid, the opening part in absorbing chamber is provided with seal, and seal seals the absorbing chamber fully, and the fluid damping material is filled in the part space between mass and chamber, absorbing chamber wall.
6. track bump leveller according to claim 5, it is characterized in that, described mass is provided with moving vane, and chamber, described absorbing chamber wall is provided with stator blade, stator blade coordinates with moving vane is staggered, in adjacent stator blade and the part space between moving vane, is provided with the fluid damping material.
7. track bump leveller according to claim 6, is characterized in that, described moving vane is or/and stator blade is provided with flow-disturbing hole or flow-disturbing convex-concave structure.
8. track bump leveller according to claim 5, is characterized in that, described mass is provided with flow-disturbing hole or flow-disturbing convex-concave structure.
9. track bump leveller according to claim 1, is characterized in that, described connection framework is provided with junction plate, and junction plate is provided with connecting hole, bending connecting portion or buckle structure.
10. track bump leveller according to claim 1, is characterized in that, the chamber wall surface that described absorbing chamber coordinates with flexible member is or/and the matching surface of mass and flexible member is provided with connection reinforcing structure; Described connection reinforcing structure comprises surperficial convex-concave structure, surface knurling structure or surface galling structure.
11. track bump leveller according to claim 1, it is characterized in that, described connection framework vertically is arranged on along rail on the inoperative surface of rail, and the inoperative surface of rail comprises in the rail use procedure rail head bottom, the web of the rail, wing plate and the flange of rail surface be positioned at beyond gauge.
12. track bump leveller according to claim 1, it is characterized in that, in described connection framework, the quantity in absorbing chamber surpasses one, and the absorbing chamber is set up in parallel along the vertical of rail in connecting framework, or/and along laterally being set up in parallel of rail, or/and vertically being set up in parallel along rail.
13. track bump leveller according to claim 3, is characterized in that, bonding between described flexible member and mass and chamber, absorbing chamber wall, welding or sulfuration are connected and fixed and are integral.
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CN 201320406910 CN203346739U (en) | 2013-07-10 | 2013-07-10 | Vibration absorbing device for rail |
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CN 201320406910 CN203346739U (en) | 2013-07-10 | 2013-07-10 | Vibration absorbing device for rail |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103343496A (en) * | 2013-07-10 | 2013-10-09 | 铁道第三勘察设计院集团有限公司 | Rail vibration absorber |
CN110593025A (en) * | 2019-10-22 | 2019-12-20 | 中铁二院工程集团有限责任公司 | Dynamic vibration absorber for corrugation steel rail |
CN111021159A (en) * | 2019-12-24 | 2020-04-17 | 上海工程技术大学 | Spring clamp device for fixing steel rail damper on steel rail |
CN111620220A (en) * | 2020-01-22 | 2020-09-04 | 上海三菱电梯有限公司 | Vibration damping device and elevator device |
WO2022100553A1 (en) * | 2020-11-10 | 2022-05-19 | Wai Tat Innovation Limited | Railway vibration damping device with mirrored oscillation masses |
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2013
- 2013-07-10 CN CN 201320406910 patent/CN203346739U/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103343496A (en) * | 2013-07-10 | 2013-10-09 | 铁道第三勘察设计院集团有限公司 | Rail vibration absorber |
WO2015003634A1 (en) * | 2013-07-10 | 2015-01-15 | 铁道第三勘察设计院集团有限公司 | Rail vibration absorber |
CN103343496B (en) * | 2013-07-10 | 2016-06-08 | 铁道第三勘察设计院集团有限公司 | A kind of track bump leveller |
US9970161B2 (en) | 2013-07-10 | 2018-05-15 | Qingdao Create Environment Control Technology Co., Ltd. | Rail vibration absorber |
CN110593025A (en) * | 2019-10-22 | 2019-12-20 | 中铁二院工程集团有限责任公司 | Dynamic vibration absorber for corrugation steel rail |
CN110593025B (en) * | 2019-10-22 | 2024-03-26 | 中铁二院工程集团有限责任公司 | Dynamic vibration absorber for wave-grinding steel rail |
CN111021159A (en) * | 2019-12-24 | 2020-04-17 | 上海工程技术大学 | Spring clamp device for fixing steel rail damper on steel rail |
CN111620220A (en) * | 2020-01-22 | 2020-09-04 | 上海三菱电梯有限公司 | Vibration damping device and elevator device |
CN114104916A (en) * | 2020-01-22 | 2022-03-01 | 上海三菱电梯有限公司 | Vibration damping device and elevator device |
WO2022100553A1 (en) * | 2020-11-10 | 2022-05-19 | Wai Tat Innovation Limited | Railway vibration damping device with mirrored oscillation masses |
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Address after: 300142 Hebei District, Zhongshan Road, No. 10, Co-patentee after: QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY Co.,Ltd. Patentee after: CHINA RAILWAY DESIGN Corp. Address before: 300142 Hebei District, Zhongshan Road, No. 10, Co-patentee before: Qingdao Create Environment Control Technology Co.,Ltd. Patentee before: THE THIRD RAILWAY SURVEY AND DESIGN INSTITUTE Group Corp. |
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