CN208328566U - Limit the fastener that rail is swung - Google Patents
Limit the fastener that rail is swung Download PDFInfo
- Publication number
- CN208328566U CN208328566U CN201721274133.3U CN201721274133U CN208328566U CN 208328566 U CN208328566 U CN 208328566U CN 201721274133 U CN201721274133 U CN 201721274133U CN 208328566 U CN208328566 U CN 208328566U
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- Prior art keywords
- elastic cushion
- rail
- substrate
- fastener
- swung
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Abstract
A kind of fastener that limitation rail is swung is disclosed herein, including substrate, elastic cushion, elastomer, side board, locating piece and substrate shoulder block, elastic cushion and substrate shoulder block are disposed on the substrate；The side of side board is connect with elastomer, and elastomer is fixed at the web of the rail of rail, and the other side of side board is resisted against on locating piece, and locating piece is resisted against on substrate shoulder block away from the side of side board；The both ends of elastic cushion are provided with position limiting structure, and two sides of rail foot are born against on the medial surface of the position limiting structure at elastic cushion both ends, and two sides of elastic cushion are born against on the location structure on side board or on substrate.The application can be applied to technical field of rail traffic, can effectively overcome Stable Defects existing for Damping fastening in the prior art using the application, can effectively improve the structural stability of Damping fastening.And improve gauge holding capacity.
Description
Technical field
This application involves but be not limited to technical field of rail traffic, especially a kind of fastener that limitation rail is swung.
Background technique
In recent years, the City Rail Transit Systems such as China's subway, light rail, inter-city passenger rail are quickly grown, and city has been effectively relieved
The nervous situation of city's traffic, and at the same time, the production and living of people are also given in the vibration of these mode of transportation brings, noise pollution
Bring very big puzzlement.Rail fastening is as the connecting component between rail and sleeper, while playing fixed rail function,
Its vibration and noise reducing function is also increasingly valued by people.Currently, being proposed in the market a series of with vibration and noise reducing
The rail fastening product of function；And in numerous Damping fastening products, it is a kind of that rail is clamped to the vibration damping lifted from rail two sides
Fastener effectiveness in vibration suppression with higher, and realize the dismounting and change of components with can be convenient, therefore widely applied,
The deep favor by market.
Above-mentioned Damping fastening is equipped with elastomer in rail two sides, elastomer is clamped in rail two sides by support construction,
There is the substrate shoulder arrangement of protrusion on substrate, there is locating piece between support construction and substrate shoulder block, locating piece is by support construction
It positions and the clamping force for clamping rail is transmitted on the substrate shoulder arrangement of bottom plate, and resilient sleeper-bearing is set on substrate；Just
Often resilient sleeper-bearing is not contacted with rail bottom when operation, and when deformation of rail is violent, resilient sleeper-bearing is contacted with rail, increases fastener rigidity
Greatly, the displacement for effectively inhibiting rail, further ensures that traffic safety.
Above-mentioned Damping fastening can fully play the cutting performance of rail two-side elastic body, so that this kind of fastener has
Higher effectiveness in vibration suppression.However, there is also following deficiencies in the long-term use:
In long-term use process, since the continuous shock of train wheel and rail is vibrated, rail is mainly by vertical direction
Pressure and shearing force along rail length direction and vertical rail length direction, and then rail is caused to swing, fastener
Gauge holding capacity is deteriorated, and Rail corrugation is serious, and there are traffic safety hidden danger.
Utility model content
The technical issues of the application solves is to provide a kind of fastener that limitation rail is swung, and can effectively overcome the prior art
In Damping fastening existing for Stable Defects, the structural stability of Damping fastening can be effectively improved.And it improves gauge and protects
Hold ability.
In order to solve the above technical problems, this application provides a kind of fastener that limitation rail is swung, including substrate, elasticity
Pad, elastomer, side board, locating piece and substrate shoulder block, the elastic cushion and the setting of substrate shoulder block are on the substrate；
The side of the side board is connect with the elastomer, and the elastomer is fixed at the web of the rail of rail,
The other side of the side board is resisted against on the locating piece, and the locating piece is resisted against described away from the side of side board
On substrate shoulder block；
The both ends of the elastic cushion are provided with position limiting structure, and two sides of rail foot are born against in the elastic cushion
On the medial surface of the position limiting structure at both ends, two sides of the elastic cushion are born against on the side board or the base
On location structure on plate.
The fastener that above-mentioned limitation rail is swung, can also have following features,
It is clearance fit between the elastic cushion and the bottom face of rail foot.
The fastener that above-mentioned limitation rail is swung, can also have following features,
The position limiting structure includes the first bulge-structure that the elastic cushion both ends are arranged in.
The fastener that above-mentioned limitation rail is swung, can also have following features,
The location structure includes two the second bulge-structures of setting on the substrate.
The fastener that above-mentioned limitation rail is swung, can also have following features,
The location structure includes the groove structure of setting on the substrate.
The fastener that above-mentioned limitation rail is swung, can also have following features,
Rigid wrapping layer is additionally provided on the outside of the elastic cushion.
The fastener that above-mentioned limitation rail is swung, can also have following features,
It is bonding connection between the rigidity wrapping layer and the elastic cushion, or to be bolted, or to snap connection.
The fastener that above-mentioned limitation rail is swung, can also have following features,
The hardness number of the rigidity wrapping layer is greater than the hardness number of the elastic cushion.
The fastener that above-mentioned limitation rail is swung, can also have following features,
The contact surface of the locating piece and the substrate shoulder block is groove contact surface, the side of the locating piece and the base
Mutually matched groove is provided on the side of plate shoulder block.
The fastener that above-mentioned limitation rail is swung, can also have following features,
The inside of the elastomer is embedded with multiple supporting blocks.
The application above-mentioned technical proposal has the following beneficial effects:
Compared with the prior art, the application can be realized two of rail foot by the setting of above-mentioned position limiting structure
Effective limit of side operates, and two sides of rail foot is enabled to firmly to be resisted against on the medial surface of position limiting structure.
In operational process, when rail, which receives external load, to be swung, position limiting structure can limit the swing of foot, and then limit
The swing of rail entirety, the swing at the top of rail are also limited；Finally can effectively it be controlled by the setting of above-mentioned position limiting structure
The oscillating quantity of rail processed, can swing at the top of operative constraint rail, while can also effectively improve the structural stability of fastener,
And gauge holding capacity.
The application can also can be effectively reduced the abrasion loss of elastic cushion, Neng Gouyou by the setting of above-mentioned rigid wrapping layer
Effect improves the service life of elastic cushion, while being also capable of forming the firm support to elastic cushion, and then effectively improve elastic cushion
Structural stability.In operational process, since the outer surface of elastic cushion is directly contacted with fastener structures part, fastener structures part one
As be that metal material or the biggish material of hardness, elastic cushion outer surface rub with fastener structures part, over time will
Directly contribute elastic cushion abrasion.Therefore, the biggish rigid wrapping layer of one layer of hardness is set in elastic cushion outer surface, it not only can be to prevent
Only elastic cushion is worn, and support fixed function can also be played to elastic cushion.
The application can also be effectively improved by the setting of the groove contact surface between above-mentioned locating piece and substrate shoulder block
The frictional force of the contact surface of locating piece and substrate shoulder block, can effectively avoid locating piece with substrate shoulder block contact surface because too smooth
Caused locating piece positional shift phenomenon, and then the structural stability between locating piece and substrate shoulder block can be effectively improved,
And the structural stability of fastener structures entirety can be effectively improved；It can be also arranged by the insertion of above-mentioned supporting block, Neng Gouyou
Effect improves the inner structural strength of elastomer；Above-mentioned supporting block can be uniformly arranged in the inside of elastomer, can improve comprehensively
The structural strength of elastomer, and then improve the structural stability of fastener structures entirety.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood and implementing the utility model embodiment.The purpose of the application and other advantages can by
Specifically noted structure is achieved and obtained in specification, claims and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical scheme, and constitutes part of specification, with this
The embodiment of application is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.
Fig. 1 is the structural schematic diagram one of the utility model embodiment one；
Fig. 2 is the structural schematic diagram two of the utility model embodiment one；
Fig. 3 is the structural schematic diagram three of the utility model embodiment one；
Fig. 4 is the structural schematic diagram one of the utility model embodiment two；
Fig. 5 is the structural schematic diagram one of the utility model embodiment three；
Fig. 6 is the structural schematic diagram two of the utility model embodiment three；
Fig. 7 is the structural schematic diagram three of the utility model embodiment three；
Fig. 8 is the structural schematic diagram one of the utility model embodiment four；
It illustrates:
1- rail, 2- elastomer, 3- side board, 4- elastic cushion, 5- locating piece, 6- substrate, the first bulge-structure of 7-, 8-
Second bulge-structure.
Specific embodiment
Embodiments herein is described in detail below in conjunction with attached drawing.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can mutual any combination.
Embodiment one:
As shown in Figure 1, Figure 2, the utility model embodiment one provides a kind of fastener that limitation rail is swung, including base
Plate 6, elastic cushion 4, elastomer 2, side board 3, locating piece 5 and substrate shoulder block, elastic cushion 4 and substrate shoulder block are arranged in substrate 6
On；The side of side board 3 is connect with elastomer 2, elastomer 2 is fixed at the web of the rail of rail 1, side board 3 it is another
Side is resisted against on locating piece 5.Wherein, the contact surface between side board 3 and locating piece 5 is inclined-plane, and the top on inclined-plane is to leaning on
The side inclination of nearly rail 1；Locating piece 5 is resisted against on substrate shoulder block away from the side of side board 3.
In the present embodiment, the both ends of above-mentioned elastic cushion 4 are provided with position limiting structure, and two sides of rail foot are born against
On the medial surface of the position limiting structure at 4 both ends of elastic cushion, two sides of elastic cushion 4 are born against on side board 3.
In concrete operations, the effective of two sides of rail foot by the setting of above-mentioned position limiting structure, can be can be realized
Limit operation, enables to two sides of rail foot to be firmly resisted against on the medial surface of position limiting structure；That is, rail foot
In the accommodating chamber constituted between elastic cushion 4 and two position limiting structures.In operational process, when rail 1 receives external load
When lotus will swing, position limiting structure can limit the swing of foot, and then limit the whole swing of rail 1,1 top of rail
Swing is also limited；Finally the oscillating quantity of rail 1 can be effectively controlled by the setting of above-mentioned position limiting structure, it can be effective
The swing at 1 top of rail is constrained, while can also effectively improve the structural stability and gauge holding capacity of fastener.
In the present embodiment, above-mentioned position limiting structure includes the first bulge-structure 7 that 4 both ends of elastic cushion are arranged in.
It is above-mentioned to be located at 4 both ends of elastic cushion and symmetrically arranged first bulge-structure 7 in concrete operations, it can be realized rail
Effective limit of foot operates, the confined planes of above-mentioned first bulge-structure 7.Above-mentioned first bulge-structure 7 can with above-mentioned elastic cushion 4
To be an integral molding structure, to effectively improve the structural stability between the first bulge-structure 7 and elastic cushion 4.
As shown in figure 3, the outside of elastic cushion 4 is additionally provided with rigid wrapping layer；Between above-mentioned rigidity wrapping layer and elastic cushion 4
For bonding connection, or to be bolted, or to snap connection.
In the present embodiment, it is bolted between above-mentioned rigidity wrapping layer and elastic cushion 4.
In concrete operations, the abrasion loss of elastic cushion 4, energy can be can be effectively reduced by the setting of above-mentioned rigid wrapping layer
The service life of elastic cushion 4 is enough effectively improved, while being also capable of forming the firm support to elastic cushion 4, and then effectively improve bullet
The structural stability of property pad 4.In operational process, since the outer surface of elastic cushion 4 is directly contacted with fastener structures part, fastener knot
Structure part is generally metal material or the biggish material of hardness, and 4 outer surface of elastic cushion rubs with fastener structures part, long
And the long elastic cushion 4 that will directly contribute is worn.Therefore, the biggish rigid wrapping layer of one layer of hardness is set in 4 outer surface of elastic cushion,
It can not only prevent elastic cushion 4 from wearing, support fixed function can also be played to elastic cushion 4.
In the present embodiment, the hardness number of rigid wrapping layer is greater than the hardness number of elastic cushion 4.
In concrete operations, above-mentioned rigidity wrapping layer may include metal layer, or including non-metallic layer；The technology of this field
Personnel can be selected accordingly according to the actual situation, be with the hardness number that the hardness number of rigid wrapping layer is greater than elastic cushion 4
It is quasi-；Such as, for the biggish application scenarios of abrasion loss, the biggish metal layer of hardness number may be selected.
In the present embodiment, the contact surface of above-mentioned locating piece 5 and substrate shoulder block is groove contact surface, the side of locating piece 5 with
Mutually matched groove is provided on the side of substrate shoulder block.
, can be by the setting of the groove contact surface between above-mentioned locating piece 5 and substrate shoulder block in concrete operations, it can be effective
The frictional force for improving the contact surface of locating piece 5 and substrate shoulder block can effectively avoid locating piece 5 and substrate shoulder block contact surface because too
Smooth caused 5 positional shift phenomenon of locating piece is crossed, and then the structure between locating piece 5 and substrate shoulder block can be effectively improved
Stability, and the structural stability of fastener structures entirety can be effectively improved.
In the present embodiment, the inside of above-mentioned elastomer 2 is embedded with multiple supporting blocks.
In concrete operations, it can be arranged by the insertion of above-mentioned supporting block, the internal structure that can effectively improve elastomer 2 is strong
Degree；Above-mentioned supporting block can be uniformly arranged in the inside of elastomer 2, can improve the structural strength of elastomer 2, Jin Erti comprehensively
The structural stability of high fastener structures entirety.
Embodiment two:
The present embodiment two provides a kind of fastener that limitation rail is swung, and main structure is similar with embodiment one, about master
The specific setting of body structure refers to the record in embodiment one, and the present embodiment is intended to illustrate difference between the two.
As shown in figure 4, being clearance fit between elastic cushion 4 and the bottom face of rail foot, it should be noted that above-mentioned
Gap, which is matched, is combined into the cooperation with gap (being equal to zero including minimum clearance), i.e., also includes the cooperation of zero clearance, also include being greater than zero
Clearance fit.
In concrete operations, the gap between above-mentioned elastic cushion 4 and the bottom face of rail foot can be 0, i.e., at elastic cushion 4
In contact uncompressed state；Gap between above-mentioned elastic cushion 4 and the end face of rail foot can be greater than 0, i.e. rail is in
Suspended state；Those skilled in the art can be selected accordingly according to the actual situation.
Embodiment three:
The present embodiment three provides a kind of fastener that limitation rail is swung, and main structure is similar with embodiment one, about master
The specific setting of body structure refers to the record in embodiment one, and the present embodiment is intended to illustrate difference between the two.
Referring to figs 5 and 6, in the present embodiment, two sides of above-mentioned elastic cushion 4 are born against determines on substrate
On bit architecture.In concrete operations, above-mentioned location structure includes two the second bulge-structures 8 being disposed on the substrate, by elastic cushion 4
It is arranged between two the second bulge-structures 8, that is, may make up the operation of the limit to elastic cushion 4.
As shown in fig. 7, the outside of above-mentioned elastic cushion 4 is additionally provided with rigid wrapping layer in the present embodiment.In concrete operations,
The setting of above-mentioned rigidity wrapping layer, it is similar with the rigid wrapping layer recorded in embodiment one, it is intended to reduce the abrasion loss of elastic cushion 4
And improve the support strength of elastic cushion 4.
Example IV:
The present embodiment four provides a kind of fastener that limitation rail is swung, and main structure is similar with embodiment 31, about
The specific setting of main structure refers to the record in embodiment three, and the present embodiment is intended to illustrate difference between the two.
As shown in figure 8, two sides of above-mentioned elastic cushion 4 bear against the location structure on substrate in the present embodiment
On；Above-mentioned location structure includes the groove structure being disposed on the substrate.In concrete operations, corresponding groove can be opened up on substrate
4 entirety of elastic cushion is embedded in groove structure by structure, that is, may make up the limit operation of elastic cushion 4.
One, embodiment two, embodiment three and example IV are it is found that the application can be tied by above-mentioned limit in conjunction with the embodiments
The setting of structure can be realized effective limit operation of two sides of rail foot, enable to two sides of rail foot
It is firmly resisted against on the medial surface of position limiting structure.In operational process, when rail, which receives external load, to be swung, limit
Structure can limit the swing of foot, and then limit the swing of rail entirety, and the swing at the top of rail is also limited；Can finally it lead to
Cross the setting of above-mentioned position limiting structure, can effectively control the oscillating quantity of rail, can swing at the top of operative constraint rail, simultaneously
Also the structural stability and gauge holding capacity of fastener can be effectively improved.
The application can also can be effectively reduced the abrasion loss of elastic cushion, Neng Gouyou by the setting of above-mentioned rigid wrapping layer
Effect improves the service life of elastic cushion, while being also capable of forming the firm support to elastic cushion, and then effectively improve elastic cushion
Structural stability.In operational process, since the outer surface of elastic cushion is directly contacted with fastener structures part, fastener structures part one
As be that metal material or the biggish material of hardness, elastic cushion outer surface rub with fastener structures part, over time will
Directly contribute elastic cushion abrasion.Therefore, the biggish rigid wrapping layer of one layer of hardness is set in elastic cushion outer surface, it not only can be to prevent
Only elastic cushion is worn, and support fixed function can also be played to elastic cushion.
The application can also be effectively improved by the setting of the groove contact surface between above-mentioned locating piece and substrate shoulder block
The frictional force of the contact surface of locating piece and substrate shoulder block, can effectively avoid locating piece with substrate shoulder block contact surface because too smooth
Caused locating piece positional shift phenomenon, and then the structural stability between locating piece and substrate shoulder block can be effectively improved,
And the structural stability of fastener structures entirety can be effectively improved；It can be also arranged by the insertion of above-mentioned supporting block, Neng Gouyou
Effect improves the inner structural strength of elastomer；Above-mentioned supporting block can be uniformly arranged in the inside of elastomer, can improve comprehensively
The structural strength of elastomer, and then improve the structural stability of fastener structures entirety.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. be shall be understood in a broad sense, example
Such as, " connection " may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be with
Indirectly connected through an intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the application
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the utility model embodiment is as above,
The content only the utility model embodiment and the embodiment that uses for ease of understanding, are not intended to limit the utility model
Embodiment.Technical staff in any the utility model embodiment fields, is taken off not departing from the utility model embodiment
Under the premise of the spirit and scope of dew, any modification and variation can be carried out in the form and details of implementation, but this is practical
The scope of patent protection of new embodiment, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of fastener that limitation rail is swung, which is characterized in that including substrate, elastic cushion, elastomer, side board, positioning
Block and substrate shoulder block, the elastic cushion and the setting of substrate shoulder block are on the substrate；
The side of the side board is connect with the elastomer, and the elastomer is fixed at the web of the rail of rail, described
The other side of side board is resisted against on the locating piece, and the locating piece is resisted against the substrate away from the side of side board
On shoulder block；
The both ends of the elastic cushion are provided with position limiting structure, and two sides of rail foot are born against at the elastic cushion both ends
Position limiting structure medial surface on, two sides of the elastic cushion are born against on the side board or on the substrate
Location structure on.
2. the fastener that limitation rail according to claim 1 is swung, which is characterized in that
It is clearance fit between the elastic cushion and the bottom face of rail foot.
3. the fastener that limitation rail according to claim 1 or 2 is swung, which is characterized in that
The position limiting structure includes the first bulge-structure that the elastic cushion both ends are arranged in.
4. the fastener that limitation rail according to claim 1 or 2 is swung, which is characterized in that
The location structure includes two the second bulge-structures of setting on the substrate.
5. the fastener that limitation rail according to claim 1 or 2 is swung, which is characterized in that
The location structure includes the groove structure of setting on the substrate.
6. the fastener that limitation rail according to claim 1 or 2 is swung, which is characterized in that
Rigid wrapping layer is additionally provided on the outside of the elastic cushion.
7. the fastener that limitation rail according to claim 6 is swung, which is characterized in that
It is bonding connection between the rigidity wrapping layer and the elastic cushion, or to be bolted, or to snap connection.
8. the fastener that limitation rail according to claim 6 is swung, which is characterized in that
The hardness number of the rigidity wrapping layer is greater than the hardness number of the elastic cushion.
9. the fastener that limitation rail according to claim 1 or 2 is swung, which is characterized in that
The contact surface of the locating piece and the substrate shoulder block is groove contact surface, and the side of the locating piece and the substrate are kept off
Mutually matched groove is provided on the side of shoulder.
10. the fastener that limitation rail according to claim 1 or 2 is swung, which is characterized in that
The inside of the elastomer is embedded with multiple supporting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274133.3U CN208328566U (en) | 2017-09-29 | 2017-09-29 | Limit the fastener that rail is swung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274133.3U CN208328566U (en) | 2017-09-29 | 2017-09-29 | Limit the fastener that rail is swung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208328566U true CN208328566U (en) | 2019-01-04 |
Family
ID=64787841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721274133.3U Expired - Fee Related CN208328566U (en) | 2017-09-29 | 2017-09-29 | Limit the fastener that rail is swung |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208328566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485220A (en) * | 2019-09-17 | 2019-11-22 | 西南交通大学 | A kind of floating rail type fastener system of laterally consecutive brace type |
-
2017
- 2017-09-29 CN CN201721274133.3U patent/CN208328566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485220A (en) * | 2019-09-17 | 2019-11-22 | 西南交通大学 | A kind of floating rail type fastener system of laterally consecutive brace type |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |