CN203654097U - Fastener structure and curved turnout using fastener structure - Google Patents
Fastener structure and curved turnout using fastener structure Download PDFInfo
- Publication number
- CN203654097U CN203654097U CN201320870442.2U CN201320870442U CN203654097U CN 203654097 U CN203654097 U CN 203654097U CN 201320870442 U CN201320870442 U CN 201320870442U CN 203654097 U CN203654097 U CN 203654097U
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- China
- Prior art keywords
- backing plate
- rail
- spring
- fastener structures
- fitting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002788 crimping Methods 0.000 claims description 8
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Abstract
The utility model relates to the technical field of rail traffic engineering equipment, in particular to a fastener structure and a curved turnout using the fastener structure. The fastener structure comprises a cushion plate and embedded parts arranged at two sides of the cushion plate; the embedded parts are fixedly arranged in a turnout pillow; each embedded part is fixedly provided with a first elastic strip; the first elastic strips are crimped at two sides of the cushion plate. The cushion plate is fixedly crimped in a rail bearing slot of the turnout pillow and the cushion plate is also provided with a steel rail. The fastener structure and the curved turnout using the fastener structure have the characteristics of simple structure, strong stability, firmness, durability, low construction cost and easiness in maintenance and repairing work.
Description
Technical field
The utility model relates to railway track traffic engineering equipment technical field, relates in particular to a kind of fastener structures and uses the curved switches of this structure.
Background technology
Track switch is rail vehicles requisite line facility when proceeding to or cross another strand of track from one track, is an important component part of railroad track, on railroad track, is widely used.The railway switch overwhelming majority using is at present simple turnout, and the main line direction of simple turnout is straight line, generally, can only be applied on straight line, and its turnout number and key dimension have all realized standardization, substantially can meet the needs of railway construction.
But for some special locations, adopt the simple turnout of standard very difficult, or may cause a large amount of construction investments.Under special circumstances, be subject to the impact of topography and geomorphology, building removal, bridge tunnel structure etc., conventionally do not have sufficiently long straightway that simple turnout is set, or due to simple turnout will be set, thereby great engineering quantity caused.In the case, general consideration adopts curved switches, to meet the functional requirement of rail track, reduces construction investment and builds difficulty.
Curved switches refers to that track switch both direction is the track switch of curve, can be divided into two types of homonymy curved switches and heteropleural curved switches, as special circumstances, one of them direction can be also straight line, this special curved switches and simple turnout are similar, and just the point of switch was curve in the past.Curved switches belongs to special track switch, and use amount is less.
In currently available technology, adopt following scheme for the fastener portion of the rail of curved switches: in switch tie, be provided with plastic bushing, directly iron chair be connected on switch tie by gentle the reconstituting apart from piece screw of compound positioning sleeve.This programme uses on Line for Passenger Transportation track switch, and its structure is comparatively complicated, and cost is also higher, and in switch tie, pre-buried plastic bushing often damages at the scene simultaneously, and maintenance workload is larger.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of fastener structures and uses the curved switches of this fastener structures, and it has simple in structure, and stability is strong, durable, and cost is lower, is easy to the feature of maintenance work.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of fastener structures, comprise backing plate and be arranged on the built-in fitting of both sides of described backing plate, described built-in fitting is fixedly mounted in switch tie, on described built-in fitting, be installed with the first spring, described the first spring is crimped on the both sides of described backing plate, and described backing plate is fixedly fitted in the rail support groove of described switch tie, is also provided with rail on described backing plate.
Wherein, described the first spring is fixedly connected with described built-in fitting by the first bolt.
Wherein, between described the first spring and backing plate, the position of crimping is also provided with the first track gauge block.
Wherein, be installed with the second spring on described backing plate, described the second spring is crimped on the both sides of described rail, and described rail is fixedly fitted on described backing plate.
Wherein, described the second spring is fixedly connected with described backing plate by the second bolt.
Wherein, between described the second spring and rail, the position of crimping is also provided with the second track gauge block.
Wherein, between described rail and backing plate, be equipped with the cushion pad for cushioning and reducing wear.
Wherein, between described backing plate and switch tie, be equipped with cushion pad for cushioning and reduce wear and for adjusting the pressing plate of rail level height.
Wherein, the material of described built-in fitting is cast iron.
The utility model also provides a kind of curved switches, which is provided with fastener structures as above.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the both sides of the backing plate of fastener structures of the present utility model are provided with built-in fitting, built-in fitting is fixedly mounted in switch tie, on built-in fitting, be installed with the first spring, the first spring is crimped on the both sides of backing plate, and backing plate is fixedly fitted in the rail support groove of switch tie, on backing plate, is also provided with rail.Fastener structures of the present utility model by installing backing plate between rail and the rail support groove of switch tie, can play the effect that disperses rail pressure at right angle, and use elastic bar fastener crimping base plate, can reduce vibration acceleration under the pressure of load to backing plate and switch tie and rolling stock spring, extend the application life of parts; The utility model also provides a kind of curved switches that uses this fastener structures, and it has simple in structure, and stability is strong, durable, and cost is lower, is easy to the feature of maintenance work.
Accompanying drawing explanation
Fig. 1 is the fastener structures of the utility model embodiment and the sectional arrangement drawing that uses the curved switches of this fastener structures.
Wherein, 1: rail; 2: built-in fitting; 31: the first springs; 32: the second springs; 41: the first bolts; 42: the second bolts; 51: the first track gauge blocks; 52: the second track gauge blocks; 6: backing plate.
The specific embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.Term " on ", orientation or the position relationship of the indication such as D score, " left side ", " right side ", " interior ", " outward ", " front end ", " rear end ", " head ", " afterbody " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only for describing object, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Fastener structures described in the present embodiment is applicable to curved switches, and this fastener structures is to be used in the position that switch tie is connected with rail.
As shown in Figure 1, in the rail support groove of the switch tie of curved switches, backing plate 6 is installed, backing plate 6 is iron chair, is provided with built-in fitting 2 in the both sides of backing plate 6, and the material of built-in fitting 2 is cast iron, not fragile in operation process, can reduce repair and replacement number of times; Built-in fitting 2 is fixedly mounted in switch tie, on built-in fitting 2, place the first spring 31, by the first bolt 41, the first spring 31 is fixedly mounted on built-in fitting 2, the first spring 31 is crimped on to the both sides of backing plate 6 simultaneously, by withholding of the first spring 31, backing plate 6 is fixedly fitted in the rail support groove of switch tie; Between the first spring 31 and backing plate 6, the position of crimping is also provided with the first track gauge block 51, by changing the size model of the first track gauge block 51, can adjust the position of backing plate 6 in rail support groove.
On backing plate 6, be also provided with rail 1, in the present embodiment, for stock rail and the railway frog part of curved switches, on backing plate 6, be fixed with the second bolt 42, the second spring 32 is fixedly mounted on backing plate 6 by the second bolt 42, and in the present embodiment, the cross section of rail 1 is I-shaped, the second spring 32 is crimped on the both sides on the base of rail 1, and rail 1 is fixedly fitted on backing plate 6; Between the second spring 32 and the position of rail 1 crimping, the second track gauge block 52 is also installed, by regulating the gauge that the second track gauge block 52 and/or the first track gauge block 51 can adjustment curve track switch, to adapt to the track circuit of different gauges.
Between rail 1 and backing plate 6, be equipped with the cushion pad for cushioning and reducing wear; Between backing plate 6 and switch tie, be equipped with cushion pad for cushioning and reduce wear and for adjusting the pressing plate of rail level height.
It should be noted that, except the stock rail for curved switches and railway frog part, the remainder of curved switches also can be provided with the fastener structures of the present embodiment, and wherein rail 1 should be set according to actual needs with the annexation of backing plate 6.
The present embodiment also provides a kind of curved switches, has all used the fastener structures of the present embodiment on this curved switches, makes this curved switches have stronger stability and lower cost, is more easy to maintenance work.
The speed that the setting of the rail cant of this curved switches is passed through by allowing of track switch is definite, for domestic main line, allows that when the speed of passing through is greater than 120km/h, rail cant is set to 1:40, and other situation is not established rail cant.
In the present embodiment, the tongue of this curved switches adopts the dwarf forms special section frog supporting with stock rail, and heel of switch rail forges into the rail end face identical with stock rail.
The stiff frog of this curved switches adopts the assembled railway frog of alloy steel, adopts and forges frog, by machine, frog, heart rail and wing rail is connected to long service life with bolt.Its central track adopts movable-point crossing, and its form of structure and existing track switch are basic identical, and heart rail adopts the assembled structure of dwarf forms special section frog, and wing rail adopts the special section frog manufacture of rolling.
The rail fastener system of this curved switches adopts the fastener structures described in the present embodiment, and wherein the second spring 32 adopts II type spring, and the second bolt 42 adopts T-shaped bolt; On slide plate, adopt spring fastening structure, specifically adopt elastic clip or shell fragment fastened structure.
The sub rail foundation of this curved switches adopts concrete switch sleeper, according to the difference of railway roadbed type, can adopt respectively tiny fragments of stone, coal, etc. switch tie and without two types of tiny fragments of stone, coal, etc. switch ties, switch tie is according to the fan-shaped concrete layout of main line of turnout.
In sum, the both sides of the backing plate of fastener structures of the present utility model are provided with built-in fitting, built-in fitting is fixedly mounted in switch tie, on built-in fitting, be installed with the first spring, the first spring is crimped on the both sides of backing plate, and backing plate is fixedly fitted in the rail support groove of switch tie, on backing plate, is also installed with rail.Fastener structures of the present utility model by installing backing plate between rail and the rail support groove of switch tie, can play the effect that disperses rail pressure at right angle, and use elastic bar fastener crimping base plate, can reduce vibration acceleration under the pressure of load to backing plate and switch tie and rolling stock spring, extend the application life of parts; The utility model also provides a kind of curved switches that uses this fastener structures, and it has simple in structure, and stability is strong, durable, and cost is lower, is easy to the feature of maintenance work.
Embodiment of the present utility model provides for example with for the purpose of describing, and many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the utility model design to be suitable for the various embodiment with various modifications of special-purpose.
Claims (10)
1. a fastener structures, it is characterized in that, comprise backing plate (6) and be arranged on the built-in fitting (2) of the both sides of described backing plate (6), described built-in fitting (2) is fixedly mounted in switch tie, on described built-in fitting (2), be installed with the first spring (31), described the first spring (31) is crimped on the both sides of described backing plate (6), and described backing plate (6) is fixedly fitted in the rail support groove of described switch tie, is also provided with rail (1) on described backing plate (6).
2. fastener structures according to claim 1, is characterized in that, described the first spring (31) is fixedly connected with described built-in fitting (2) by the first bolt (41).
3. fastener structures according to claim 1, is characterized in that, between described the first spring (31) and backing plate (6), the position of crimping is also provided with the first track gauge block (51).
4. fastener structures according to claim 1, it is characterized in that, on described backing plate (6), be installed with the second spring (32), described the second spring (32) is crimped on the both sides of described rail (1), and described rail (1) is fixedly fitted on described backing plate (6).
5. fastener structures according to claim 4, is characterized in that, described the second spring (32) is fixedly connected with described backing plate (6) by the second bolt (42).
6. fastener structures according to claim 4, is characterized in that, between described the second spring (32) and rail (1), the position of crimping is also provided with the second track gauge block (52).
7. fastener structures according to claim 1, is characterized in that, between described rail (1) and backing plate (6), is equipped with the cushion pad for cushioning and reducing wear.
8. fastener structures according to claim 1, is characterized in that, is equipped with cushion pad for cushioning and reduce wear and for adjusting the pressing plate of rail level height between described backing plate (6) and switch tie.
9. fastener structures according to claim 1, is characterized in that, the material of described built-in fitting (2) is cast iron.
10. a curved switches, is characterized in that, which is provided with the fastener structures as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870442.2U CN203654097U (en) | 2013-12-26 | 2013-12-26 | Fastener structure and curved turnout using fastener structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870442.2U CN203654097U (en) | 2013-12-26 | 2013-12-26 | Fastener structure and curved turnout using fastener structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654097U true CN203654097U (en) | 2014-06-18 |
Family
ID=50920507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870442.2U Expired - Lifetime CN203654097U (en) | 2013-12-26 | 2013-12-26 | Fastener structure and curved turnout using fastener structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862524A (en) * | 2016-05-11 | 2016-08-17 | 中铁宝桥集团有限公司 | Novel turnout guard rail tie plate |
-
2013
- 2013-12-26 CN CN201320870442.2U patent/CN203654097U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862524A (en) * | 2016-05-11 | 2016-08-17 | 中铁宝桥集团有限公司 | Novel turnout guard rail tie plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |