CN208981028U - A kind of floating rail fastener system - Google Patents
A kind of floating rail fastener system Download PDFInfo
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- CN208981028U CN208981028U CN201821442131.5U CN201821442131U CN208981028U CN 208981028 U CN208981028 U CN 208981028U CN 201821442131 U CN201821442131 U CN 201821442131U CN 208981028 U CN208981028 U CN 208981028U
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- rail
- contact surface
- elastomer block
- fastener system
- extension
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Abstract
The utility model proposes a kind of floating rail fastener systems, including connecting the substrate of sub-rail foundation, the flanking support structures and elastomer block of supporting rail, the elastomer block includes main part and extension, the main part is connected on the web of the rail, the extension is connected to main part top, and extension is wrapped in the lateral surface of rail head.Floating rail fastener system described in the utility model improves the structure of elastomer block and rail, increase extension, so that thickness of the elastomer block in rail head direction increases, reduce the lateral displacement of rail, it effectively prevent rail around longitudinal rotation simultaneously, the stability for improving train operation, increases the service life of rail.
Description
Technical field
The utility model relates to vibration and noise reducing rail fastener system fields, and in particular to a kind of floating rail fastener system.
Background technique
Floating rail fastener is a kind of novel damping noise reduction rail fastener system, which supports by using elastic wedge
Rail head of rail lower jaw is carried, so that rail rail bottom is made to leave support rail seat, and the caoutchouc elasticity block as elastic bearing is then by being fixed on
The side panel of sub-rail foundation supports positioning.Each fastener node of floating rail fastener system is by a cast iron base, two cast iron sides
It is supported safely under panel bracket, two cast iron wedge block fixing pieces, two caoutchouc elasticity block elastic wedge rail braces, a rails
Rubber pad and two spring clip compositions.Under normal circumstances, safety bearing rubber pad is not contacted with rail, can effectively be limited in this way
Excessive deformation caused by load processed.Floating rail fastener structures are simple, are easily installed, and maintenance is convenient, and safety and stability is reliable, dedicated for
The location more demanding to vibration and noise reducing, such as the railroad bridge route of subway, urban district.Floating rail fastener system can be used to
Tiny fragments of stone, coal, etc. track, it can also be used to which non-fragment orbit, railroad track is widely used in countries in the world.
However existing floating rail fastener is in the process of running, and when being squeezed by Train Wheel, effect because of rail by eccentric force,
The rubber voussoir deformation of supporting rail two sides is inconsistent, so that rail has biggish outside lateral displacement and around vertical
To rotation, thus make train occur acutely shake, travel it is unstable, the ride comfort of people is severely impacted, to column
Vehicle driving safety causes very big hidden danger, deteriorates route along thread environment, runs for a long time to train and cause greatly to threaten.
Summary of the invention
In view of this, the utility model is directed to a kind of floating rail fastener system, to solve train driving in the prior art
When being squeezed by wheel, rail has larger outside lateral displacement and around longitudinal rotation rail in the process, causes to arrange
There is the problem of acutely shaking, influence ride comfort in vehicle.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of floating rail fastener system, including connecting the substrate of sub-rail foundation, the flanking support structures and bullet of supporting rail
Property block, the elastomer block includes main part and extension, and the main part is connected on the web of the rail, and the extension is connected to main body
Portion top, and extension is wrapped in the lateral surface of rail head.
Further, the main part is set as V-structure, and the lower end of the main part is connected to the company of the web of the rail and foot
Socket part position.
Further, the flanking support structures include side holder and lateral bolster fagging, and the lateral bolster fagging supports
It connects on the first contact surface of elastomer block, the side holder is used to support lateral bolster fagging.
Further, the elastomer block includes the first contact surface, the second contact surface, third contact surface, the 4th contact
Face and transition face, first contact surface are abutted against with lateral bolster fagging, and the radian of second contact surface is set as and rail
The radian of waist matches, and the third contact surface is connected to the lower part of rail head.
Further, the 4th contact surface is set as the extension of the direction at the top of rail head, the 4th contact surface setting
For the side for being parallel to rail head, the 4th contact surface, transition face and the first contact surface constitute extension.
Further, the extension extends to the direction at the top of rail head, and the bottom end of the extension and rail head lower jaw are flat
Together, the height of the extension is identical as the height of the 4th contact surface.
Further, the top of elastomer block is arranged in the transition face, and the transition face side connects the 4th contact surface,
The other side connects the first contact surface.
Further, the height of the 4th contact surface is h1, the height of the rail head is h2, h1≦h2。
Further, the cross-sectional width of the third contact surface is b, and the width of one side lower part of rail head is a, a≤
b。
Further, the rail head of the rail and foot can be set as identical structure.
Compared with the existing technology, floating rail fastener system described in the utility model has the advantage that
Structure described in the utility model to elastomer block is improved, and extension is increased, so that elastomer block is in-orbit
The thickness in head direction increases, and reduces the lateral displacement of rail, while effectivelying prevent rail around longitudinal rotation, improves train operation
Stability.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the side view for floating rail fastener system in the prior art；
Fig. 2 is that elastomer block and rail cooperate schematic diagram in the prior art；
Fig. 3 is the side view of floating rail fastener system described in the utility model one embodiment；
Fig. 4 is that elastomer block described in the utility model one embodiment and rail cooperate schematic diagram；
Fig. 5 is elastomer block schematic diagram described in the utility model one embodiment；
Fig. 6 is that elastomer block described in second embodiment of the utility model and rail cooperate schematic diagram；
Fig. 7 is elastomer block schematic diagram described in second embodiment of the utility model；
Fig. 8 is that elastomer block described in the utility model third embodiment and rail cooperate schematic diagram；
Description of symbols:
1- rail, 2- elastomer block, 3- side holder, 4- substrate, 5- railway rail pad, the fixed voussoir of 6-, 7- shoulder block, 8- spring
Fastened structure, the first contact surface of 9-, the second contact surface of 10-, 11- third contact surface, 12- transition face, 13- rail head, the 14- web of the rail,
15- foot, 16- rail head lower jaw, 17- lateral bolster fagging, 18- couple backing plate, 19- main part, 20- extension, the contact of 21- the 4th
Face
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when the technical solution of the utility model
The utility model makees further details of introduction, it is clear that described embodiment is only that a part of the utility model is implemented
Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not paying wound
Every other embodiment obtained under the premise of the property made labour, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
With mutual any combination.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It as shown in Figure 1 and 2, is floating rail fastener system in the prior art, two elastomer block 2, two fixed voussoir 6, two
8, railway rail pads 5 of spring fastened structure and coupling backing plate 18, the fixed voussoir 6 is for locking flanking support structures simultaneously
It is fixed.The elastomer block 2 is located at rail two sides, the spring fastened structure 8 and shoulder block 7 for fastening fixed voussoir
6, prevent it from moving up.Its elastomer block 2 is connected at the web of the rail 14 of rail 1, for limiting the lateral displacement of the web of the rail 14, specifically
, elastomer block 2 in the prior art is set as V-structure, and the bottom cross section of elastomer block 2 is smaller, and bottom abutting is in-orbit
The top cross-sectional area of the interconnecting piece of waist 14 and foot 15, the elastomer block 2 is greater than bottom cross section.The elastomer block 2
Outer surface is respectively the first contact surface 9, the second contact surface 10, third contact surface 11 and transition face 12, is installed when by elastomer block 2
In floating rail fastener system, first contact surface 9 is abutted against with lateral bolster fagging 17, so that elastomer block 2 is fixed on rail
At the web of the rail 14, the radian of second contact surface 10 is matched with the radian of the web of the rail 14, for limiting the lateral displacement of the web of the rail 14,
The third contact surface 11 is connected to the connecting portion of rail head 13 Yu the web of the rail 14.The third contact surface 11 by transition face 12 with
First contact surface 9 connection, so that the V-shaped structure of elastomer block 2.However in the system third contact surface 11 of elastomer block 2 width
It is smaller, the lower part of rail head 13 cannot be completely covered, so that the lower jaw of the top of elastomer block 2 and rail 1 has certain distance, so that
In actual application, effect because of rail 1 by eccentric force, the elastomer block 2 of 1 two sides of supporting rail deform it is inconsistent, thus
There is the larger phenomenon of 1 lateral displacement of rail, makes train occur acutely shaking, traveling is unstable, runs and causes for a long time to train
Greatly threaten.
Embodiment 1
As shown in Fig. 3 ~ 5, the present embodiment on the basis of existing technology changes the shape and structure of elastomer block 2
Into specifically, present embodiments providing a kind of improved floating rail fastener system, the substrate 4 including fastener bottom is arranged in, institute
Substrate 4 is stated for connecting sub-rail foundation, two flanking support structures, described two flanking support structures point are connected on substrate 4
The two sides of the web of the rail 14 are not set, rail 1 is used to support, further include two elastomer blocks 2, two fixed 6, rail underlays of voussoir
Plate 5 and coupling backing plate 18, the fixed voussoir 6 is for locking flanking support structures and being fixed.The elastomer block 2
In rail two sides, which locks flanking support structures and rail by two fixation voussoirs 6 in different location, and by steel
The precompression of the elastomer block 2 of 1 two sides of rail fastens.
Wherein the elastomer block 2 includes main part 19 and extension 20, and the main part 19 is set as V-structure, described
Extension 20 is connected to main part top, and extends to the direction at 13 top of rail head, under the bottom end and rail head of the extension 20
Jaw 16 is concordant.
Further, the extension 20 is set as being wrapped in the lateral surface of rail head 13, and the extension 20 is in height
No more than rail head 13, so that elastomer block 2 plays the role of good cross spacing to rail, while can limit to a certain extent again
Rail 1 processed is around longitudinal rotation.
Further, the setting of elastomer block 2 is an integral molding structure.
Further, the elastomer block 2 connects including the first contact surface 9, the second contact surface 10, third contact surface the 11, the 4th
Contacting surface 21 and transition face 12, first contact surface 9 are disposed proximate to plate-like structure, convenient for offseting with lateral bolster fagging 17
It connects, so that elastomer block 2 is fixed at the web of the rail 14 of rail, guarantee elastomer block 2 stablizes limit, the arc of second contact surface 10
Degree is set as matching with the radian of the web of the rail 14, and for limiting the lateral displacement of the web of the rail 14, the third contact surface 11 is connected to
The lower part of rail head 13, and width is matched with the width of 13 1 side lower part of rail head, the 4th contact surface 21 is arranged in parallel to
The fixed effect of limit is played to rail head 13 for limiting rail head 13 around longitudinal rotation in the side of rail head 13.
Further, second contact surface 10 and 11 interconnecting piece of third contact surface are set as seamlessly transitting, and guarantee connection
The radian at position is matched with the connecting portion of rail head 13 and the web of the rail 14.The cross-sectional width of the third contact surface 11 is b, institute
The width for stating 13 1 side lower part of rail head is a, it is preferred that a≤b enables elastomer block 2 to limit the lateral displacement of rail well
And around longitudinal rotation.
Further, the 4th contact surface 21 is set as extending to the direction at 13 top of rail head, the extension 20
Height is identical as the height of the 4th contact surface 21, and the height of the 4th contact surface 21 is h1, the height of the rail head 13 is h2,
Preferred h1≦h2, it is furthermore preferred that h1≦h2/ 2, so that extension 20 can prevent from influencing while limiting rail 1 again
Train driving, while saving material.
Further, the top of elastomer block 2 is arranged in the transition face 12, and 12 side of transition face connection the 4th connects
Contacting surface 21, the other side connect the first contact surface 9.Preferably, the transition face 12 be set as plate structure parallel to the ground or
The smooth arcuation of person avoids abrasion train wheel.
Further, the flanking support structures include side holder 3 and lateral bolster fagging 17, the lateral bolster fagging
17 are connected in elastomer block 2, and the side holder 3 is used to support lateral bolster fagging 17, and then limits floating rail fastener system
Position sizing.
Preferably, the fixed voussoir 6 is set as cast iron wedge block, and when stress will not generate biggish deformation, Jin Ershi
Now to the limit fixed function of floating rail fastener system.The shoulder block 7 prevents it from moving up for fastening fixed voussoir 6.
Further, the railway rail pad 5 is arranged between rail 1 and substrate 4, and railway rail pad 5 is set as insulation material
Matter plays the role of anticollision.Railway rail pad 5 is not contacted with rail 1 under normal circumstances, only when heavy-duty vehicle is run or the punching that happens suddenly
The contact of load Shi Caiyu rail 1 is hit, for limiting the length travel of rail, to ensure traffic safety.
Further, the coupling backing plate 18 is also configured as isolation material, and the coupling backing plate 18 is arranged under substrate 4
Portion.
Floating rail fastener system provided in this embodiment, improves the structure of elastomer block, increases extension, so that
Thickness of the elastomer block in rail head direction increases, and reduces the lateral displacement of rail, while effectivelying prevent rail around longitudinal rotation, improves
The stability of train operation.
Embodiment 2
As shown in Figures 6 and 7, the present embodiment provides another improved elastic block structure on the basis of existing technology,
The elastomer block 2 includes the first contact surface 9, the second contact surface 10, third contact surface 11 and transition face 12,
First contact surface 9 is disposed proximate to plate-like structure, convenient for abutting against with lateral bolster fagging 17, so that elastic
Block 2 is fixed at the web of the rail 14 of rail, guarantee elastomer block 2 stablize limit, the radian of second contact surface 10 be set as with
The radian of the web of the rail 14 matches, for limiting the lateral displacement of the web of the rail 14.
Further, 12 side of transition face connects third contact surface 11, and the other side connects the first contact surface 9, described
Third contact surface 11 is connected to the lower part of rail head 13, and the width phase of the width of third contact surface 11 and 13 1 side lower part of rail head
Deng so that biggish longitudinal rotation, the amplitude that reduction train shakes will not occur for rail head 13.
As some embodiments of the utility model, the present embodiment can also set the elastomer block of 14 two sides of the web of the rail to not
Symmetrical structure, the i.e. height of the elastomer block of 14 side of the web of the rail are set above 13 lower jaw of rail head, the height of the elastomer block of the other side
It is set equal to rail head lower jaw.
Embodiment 3
As shown in figure 8, the present embodiment provides another improved floating rail fastener system, tool on the basis of embodiment 2
Body, the floating rail fastener system includes two elastomer blocks 2 and rail 1, and the rail head 13 and foot 15 of the rail 1 are set as phase
In being symmetrical arranged up and down, two elastomer blocks 2 are separately positioned on the two sides of the web of the rail 14 for same structure, i.e. rail 1.
Further, the structure of the elastomer block 2 is identical with the structure of elastomer block in embodiment 2.
Floating rail fastener system provided in this embodiment, improves the structure of rail and elastomer block, when rail head of rail abrasion or
When person is damaged by other, steel can be increased without replacing whole rail by turning the direction of rail head of rail and foot
The service life of rail, while raw material are saved, avoid the wasting of resources.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of floating rail fastener system, including connect the flanking support structures of the substrate (4) of sub-rail foundation, supporting rail (1) with
And elastomer block (2), which is characterized in that the elastomer block (2) includes main part (19) and extension (20), the main part (19)
It is connected on the web of the rail (14), the extension (20) is connected to main part (19) top, and extension (20) is wrapped in rail head
(13) lateral surface.
2. floating rail fastener system according to claim 1, which is characterized in that the main part (19) is set as V-structure,
The lower end of the main part (19) is connected to the connecting portion of the web of the rail (14) and foot (15).
3. floating rail fastener system according to claim 1, which is characterized in that the flanking support structures include side support
Frame (3) and lateral bolster fagging (17), the lateral bolster fagging (17) are connected on elastomer block (2), and the side holder (3) is used for
It supports side support plate (17).
4. floating rail fastener system according to claim 1 or 3, which is characterized in that the elastomer block (2) includes the first contact
Face (9), the second contact surface (10), third contact surface (11), the 4th contact surface (21) and transition face (12), first contact
Face (9) is abutted against with lateral bolster fagging (17), and the radian of second contact surface (10) is set as the radian phase with the web of the rail (14)
Cooperation, the third contact surface (11) are connected to the lower part of rail head (13).
5. floating rail fastener system according to claim 4, which is characterized in that the 4th contact surface (21) is set as to rail
Direction at the top of head (13) extends, and the 4th contact surface (21) is arranged in parallel to the side of rail head (13), and the described 4th connects
Contacting surface (21), transition face (12) and the first contact surface (9) constitute extension (20).
6. floating rail fastener system according to claim 1 or 5, which is characterized in that the extension (20) is to rail head (13)
The direction at top extends, and the bottom end of the extension (20) is concordant with rail head lower jaw (16), the height of the extension (20) and
The height of 4th contact surface (21) is identical.
7. floating rail fastener system according to claim 5, which is characterized in that the transition face (12) is arranged in elastomer block
(2) top, and the transition face (12) side connects the 4th contact surface (21), the other side connects the first contact surface (9).
8. floating rail fastener system according to claim 5, which is characterized in that the height of the 4th contact surface (21) is h1,
The height of the rail head (13) is h2, h1≦h2。
9. floating rail fastener system according to claim 4, which is characterized in that the cross section of the third contact surface (11) is wide
Degree is b, and the width of (13) one side lower part of rail head is a, a≤b.
10. floating rail fastener system according to claim 1, which is characterized in that the rail head (13) and foot of the rail (1)
(15) identical structure can be set as.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017107917388 | 2017-09-05 | ||
| CN201710791738 | 2017-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208981028U true CN208981028U (en) | 2019-06-14 |
Family
ID=66783310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821442131.5U Active CN208981028U (en) | 2017-09-05 | 2018-09-04 | A kind of floating rail fastener system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208981028U (en) |
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2018
- 2018-09-04 CN CN201821442131.5U patent/CN208981028U/en active Active
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