CN203834297U - Turnout tie - Google Patents
Turnout tie Download PDFInfo
- Publication number
- CN203834297U CN203834297U CN201420074450.0U CN201420074450U CN203834297U CN 203834297 U CN203834297 U CN 203834297U CN 201420074450 U CN201420074450 U CN 201420074450U CN 203834297 U CN203834297 U CN 203834297U
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- China
- Prior art keywords
- chord member
- longitudinal direction
- pillow
- turnout
- turnout sleeper
- Prior art date
- 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
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- 230000002787 reinforcement Effects 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 41
- 241001669679 Eleotris Species 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses a turnout tie which comprises a tie body extending in the longitudinal direction and a truss structure fixed on the tie body, wherein prestressed reinforcements extending in the longitudinal direction are arranged in the tie body. The truss structure comprises a first chord member, a second chord member, a third chord member and a fourth chord member, wherein the first chord member and the second chord member are arranged in the tie body and extend in the longitudinal direction, and the third chord member and the fourth chord member are arranged below the tie body and extend in the longitudinal direction. Connection lines of centers of the first chord member, the second chord member, the third chord member and the fourth chord member in a section parallel to a cross section of the turnout tie form a quadrangle, and the first chord member and the fourth chord member which are positioned on the left side of the quadrangle are connected with the second chord member and the third chord member which are positioned on the right side of the quadrangle through S-shaped connection ribs extending in the longitudinal direction. By means of the prestressed reinforcements, the structure of the turnout tie can be strengthened, and the tie body and a ballast bed at the bottom of the tie body are tightly connected into a whole through the truss structure. Therefore, the turnout tie can bear complex stress of a rail turnout and be tightly connected with a ballast bed plate.
Description
Technical field
The utility model relates to field of track traffic, is specially a kind of turnout sleeper.
Background technology
Track switch is that railroad track two line infalls make vehicle can proceed to smoothly again safely the line connection equipment of his rail, at crossing elimination, is used in a large number at station frequently.Switch structure is complicated, requires laying precision high, simultaneously also higher for the requirement of corresponding switch tie.In seamless turnout, switch tie can not move on the sub rail foundation of track switch, only depend on stop to transmit longitudinal force between guide rail and stock rail, thereby the telescopic displacement of tongue and heart rail is larger, and because point components is stressed more complicated, the installation site of the width of corresponding switch tie and fastener sleeve pipe etc. must match with track switch.
Yet existing switch tie is fixed on bed board by retaining element.Due to retaining element, fixedly the area of switch tie and road bed board is less, when train by time track switch is produced to huge Lateral Force on retaining element time, impaired probability is higher, thereby can not guarantee that switch tie is closely connected with road bed board, therefore be necessary to provide a kind of and can bear rail switch complicated applied force, again can with the close-connected turnout sleeper of road bed board.
Utility model content
The purpose of this utility model is to provide a kind of can bear rail switch complicated applied force, again can with the close-connected turnout sleeper of road bed board.
According to embodiment of the present utility model, a kind of turnout sleeper is provided, comprise the pillow extending along the longitudinal direction and be fixed on the trussed construction on described pillow, in described pillow, be provided with the prestressed reinforcement extending along the longitudinal direction; Described trussed construction comprises:
The first and second chord members, are arranged at described pillow inner, and extend along the longitudinal direction;
The third and fourth chord member, is arranged at the below of described pillow and extends along the longitudinal direction;
The line of the center of first, second, third and fourth chord member in the cross section with described switch tie transverse cross-section parallel is quadrangle, and in described quadrangle, first chord member in left side is connected by the S type dowel extending along the longitudinal direction with the 4th chord member; In described quadrangle, second chord member on right side is connected by the S type dowel extending along the longitudinal direction with the 3rd chord member.
Further, described trussed construction also comprises:
A plurality of the first reinforcing ribs, are distributed between the first chord member and the second chord member, at horizontal direction, connect the first chord member and the second chord member;
A plurality of the second reinforcing ribs, are distributed between the 3rd chord member and the 4th chord member, at horizontal direction, connect the 3rd chord member and the 4th chord member.
Preferably, the second reinforcing rib is " U " shape or " Z " shape reinforcing bar, and the gap between adjacent the second reinforcing rib is 0.5 meter～1 meter.
The longitudinal cross-section of the first reinforcing rib is straight-flanked ring; In a longitudinal direction, the gap between adjacent rectangle ring is 1 meter～1.5 meters.
As another preferred version, the first reinforcing rib is " U " steel bar, and the gap between adjacent the first reinforcing rib is 0.5 meter～1 meter.
As preferred version, described prestressed reinforcement number is two, is arranged at the top of the first chord member and the second chord member, and the distance between two prestressed reinforcements equates with the distance between the first chord member and the second chord member.
As another preferred version, described prestressed reinforcement number is four, the line of centres of described four prestressed reinforcements is trapezoidal in described pillow cross section, described trapezoidal in two parallel edges along horizontal direction, extend and the length of top parallel edges is greater than the length on parallel beneath limit
Preferably, described pillow can be monolithic, and the longitudinal length of described pillow is 2.5～5.0 meters.
Further, described pillow, along the center of horizontal direction or take back in center or center takes over is provided with fastener service sleeve.
As shown from the above technical solution, the switch tie in the present embodiment arranges prestressed reinforcement in pillow, and prestressed reinforcement is realized the strengthening to switch tie structure.And the trussed construction being arranged on pillow can make switch tie connect as one and closely be connected with the railway roadbed of its bottom.Train by time, switch tie pillow and railway roadbed bear rail transmission and the huge lateral force come jointly, thus guarantee switch tie train by time be difficult for movement.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described.Apparently, the accompanying drawing in below describing is only embodiment more of the present utility model, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 shows the view in transverse section of turnout sleeper in embodiment 1;
Fig. 2 shows the top view of trussed construction in embodiment 1;
Fig. 3 shows the view in transverse section of turnout sleeper in embodiment 2.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to accompanying drawing and enumerate preferred embodiment, the utility model is further described.Yet, it should be noted that, many details of listing in manual are only used to make reader to have a thorough understanding to one or more aspects of the present utility model, even if do not have these specific details also can realize these aspects of the present utility model.
Inventor's discovery of the present utility model, because train is when by track switch, the stressing conditions of track switch is very complicated, exists huge Lateral Force in track switch, must in switch tie, add extra reinforcing bar to strengthen the structure of switch tie.
Below by different embodiment, the turnout sleeper structure in the utility model is described in detail.
Embodiment 1:
Fig. 1 shows the view in transverse section of turnout sleeper in embodiment 1.
Fig. 2 shows the top view of trussed construction in embodiment 1.
As depicted in figs. 1 and 2, turnout sleeper comprises the pillow 1 extending along the longitudinal direction and the trussed construction that is set to pillow 1, is provided with the prestressed reinforcement 10 extending along the longitudinal direction in pillow 1.Wherein, prestressed reinforcement 10 is for strengthening switch tie structure, and trussed construction is used for bearing main stress.
Trussed construction comprises the first chord member 2, the second chord member 2 ', the 3rd chord member 3 ' and the 4th chord member 3.Wherein, the first chord member 2 and the second chord member 2 ' are arranged at middle part or the middle and lower part of pillow 1, and extend along the longitudinal direction.The 3rd chord member 3 ' and the 4th chord member 3 are arranged at the below of the bottom surface of pillow 1, and have certain distance with the bottom surface of pillow, and the 3rd chord member 3 ' and the 4th chord member 3 are suspended in the below of pillow bottom surface.The 3rd chord member 3 ' and the 4th chord member 3 also all extend along the longitudinal direction.In the present embodiment, the bottom surface of pillow is the surface contacting with railway roadbed in switch tie.The direction that definition pillow length is extended is longitudinally, and the direction that pillow width extends is horizontal.
The line of centres of the first chord member 2, the second chord member 2 ', the 4th chord member 3 and the 3rd chord member 3 ' is quadrangle in the cross section with switch tie transverse cross-section parallel, and arrange along clockwise direction at the center that is the first chord member 2, the second chord member 2 ', the 4th chord member 3 and the 3rd chord member 3 '.Wherein, the first chord member 2 in this quadrangle left side is connected by S type dowel 4 with the 4th chord member 3, and the second chord member 2 ' in this quadrangle right side is connected by S type dowel 4 ' with the 3rd chord member 3 '.S type dowel 4 is connected with the 4th chord member 3 with the first chord member 2 equably and extends along the longitudinal direction; S type dowel 4 ' is connected with the 3rd chord member 3 ' with the second chord member 2 ' equably and extends along the longitudinal direction.
Further, for strengthening the stability of pillow 1, the trussed construction that bears main stress also comprises the first reinforcing rib 5 and the second reinforcing rib 6.
The number of the first reinforcing rib 5 is a plurality of.A plurality of the first reinforcing ribs 5 are distributed between the first chord member 2 and the second chord member 2 ', for connect the first chord member 2 and the second chord member 2 ' at horizontal direction.
As the preferred embodiment in each embodiment, the first reinforcing rib 5 be shaped as straight-flanked ring or " U " shape reinforcing bar.The material selection reinforcing bar of straight-flanked ring.
When the first reinforcing rib 5 adopts straight-flanked ring, the gap between adjacent rectangle ring is 1 meter～1.5 meters.
When the first reinforcing rib 5 is " U " shape reinforcing bar, the gap between adjacent the first reinforcing rib 5 is 0.5 meter～1 meter.
It is exemplary that the first reinforcing rib is selected straight-flanked ring or " U " shape reinforcing bar; be not intended to limit the shape of the first reinforcing rib; every the first chord member can connection in a lateral direction with the second chord member, and all fall in protection domain of the present utility model with the first chord member and the second chord member shape by larger bonding area.
The number of the second reinforcing rib 6 is also a plurality of.A plurality of the second reinforcing ribs 6 are distributed between the 3rd chord member 3 ' and the 4th chord member 3, for connecting the 3rd chord member 3 ' and the 4th chord member 3 at horizontal direction.
As the preferred embodiment in each embodiment, the second reinforcing rib 6 is " U " shape or " Z " shape reinforcing bar.The second reinforcing rib 6 adopts " Z " shape reinforcing bar to weld with the 3rd chord member 3 ' and the 4th chord member 3 of both sides better.Preferably, the gap between adjacent the second reinforcing rib 6 is 0.5 meter～1 meter.It is exemplary that the second reinforcing rib is selected " U " shape or " Z " shape reinforcing bar; be not intended to limit the shape of the second reinforcing rib; every the 3rd chord member can connection in a lateral direction with the 4th chord member, and all fall in protection domain of the present utility model with the 3rd chord member and the 4th chord member shape by larger bonding area.
In the present embodiment, prestressed reinforcement 10 numbers are two, are arranged at the top of the first chord member 2 and the second chord member 2 ', and the distance between two prestressed reinforcements 10 equates with the distance between the first chord member 2 and the second chord member 2 '.Preferably, two prestressed reinforcements 10 can be positioned at the first chord member 2 and the second chord member 2 ' directly over.
The setting position of two prestressed reinforcements 10 and separation are exemplary, and the utility model is to the setting position of two prestressed reinforcements 10 and separation and be not specifically limited.
Switch tie in the utility model is monolithic, and the length of pillow is 2.5～5.0 meters.
Preferably, in pillow 1, be also provided with fastener service sleeve 7.
Switch tie in the present embodiment arranges prestressed reinforcement in pillow, and prestressed reinforcement is realized the strengthening to switch tie structure.And the trussed construction being arranged on pillow can make switch tie connect as one and closely be connected with the railway roadbed of its bottom.Train by time, switch tie pillow and railway roadbed bear rail transmission and the huge lateral force come jointly, thus guarantee switch tie train by time be difficult for movement.
Embodiment 2:
In the structure of the switch tie in the present embodiment and embodiment 1, the structure of switch tie is basic identical, and its difference is that the number of prestressed reinforcement 10 is different with spread pattern.
Fig. 3 shows the view in transverse section of turnout sleeper in the present embodiment, and in the present embodiment, the number of prestressed reinforcement 10 is four.The line of centres of four prestressed reinforcements 10 is trapezoidal in pillow cross section, wherein, trapezoidal in two parallel edges along horizontal direction, extend and the length of top parallel edges is greater than the length on parallel beneath limit.
In the present embodiment, the operating principle of switch tie is identical with the operating principle of switch tie in embodiment 1, repeats no more herein.
As shown from the above technical solution, the switch tie in the present embodiment arranges prestressed reinforcement in pillow, and prestressed reinforcement is realized the strengthening to switch tie structure.And the trussed construction being arranged on pillow can make switch tie connect as one and closely be connected with the railway roadbed of its bottom.Train by time, switch tie pillow and railway roadbed bear rail transmission and the huge lateral force come jointly, thus guarantee switch tie train by time be difficult for movement.
For general sleeper, also can adopt the structure of switch tie in the utility model.
The foregoing is only preferred embodiment of the present utility model, not for limiting protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of doing, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a turnout sleeper, is characterized in that, comprises the pillow extending along the longitudinal direction and is fixed on the trussed construction on described pillow, is provided with the prestressed reinforcement extending along the longitudinal direction in described pillow; Described trussed construction comprises:
The first and second chord members, are arranged at described pillow inner, and extend along the longitudinal direction;
The third and fourth chord member, is arranged at the below of described pillow and extends along the longitudinal direction;
The line of the center of first, second, third and fourth chord member in the cross section with described switch tie transverse cross-section parallel is quadrangle, and in described quadrangle, first chord member in left side is connected by the S type dowel extending along the longitudinal direction with the 4th chord member; In described quadrangle, second chord member on right side is connected by the S type dowel extending along the longitudinal direction with the 3rd chord member.
2. turnout sleeper according to claim 1, is characterized in that, described trussed construction also comprises:
A plurality of the first reinforcing ribs, are distributed between the first chord member and the second chord member, at horizontal direction, connect the first chord member and the second chord member;
A plurality of the second reinforcing ribs, are distributed between the 3rd chord member and the 4th chord member, at horizontal direction, connect the 3rd chord member and the 4th chord member.
3. turnout sleeper according to claim 2, is characterized in that, the second reinforcing rib is " U " shape or " Z " shape reinforcing bar, and the gap between adjacent the second reinforcing rib is 0.5 meter～1.0 meters.
4. turnout sleeper according to claim 3, is characterized in that, the longitudinal cross-section of the first reinforcing rib is straight-flanked ring; In a longitudinal direction, the gap between adjacent rectangle ring is 1 meter～1.5 meters.
5. turnout sleeper according to claim 3, is characterized in that, the first reinforcing rib is " U " steel bar, and the gap between adjacent the first reinforcing rib is 0.5 meter～1 meter.
6. according to arbitrary described turnout sleeper in claim 1 to 5, it is characterized in that, described prestressed reinforcement number is two, is arranged at the top of the first chord member and the second chord member, and the distance between two prestressed reinforcements equates with the distance between the first chord member and the second chord member.
7. according to arbitrary described turnout sleeper in claim 1 to 5, it is characterized in that, described prestressed reinforcement number is four, the line of centres of described four prestressed reinforcements is trapezoidal in described pillow cross section, described trapezoidal in two parallel edges along horizontal direction, extend and the length of top parallel edges is greater than the length on parallel beneath limit.
8. turnout sleeper according to claim 1, is characterized in that, described pillow is monolithic, and the longitudinal length of described pillow is 2.5～5.0 meters.
9. turnout sleeper according to claim 8, is characterized in that, described pillow, along the center of horizontal direction or take back in center or center takes over is provided with fastener service sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074450.0U CN203834297U (en) | 2014-02-20 | 2014-02-20 | Turnout tie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074450.0U CN203834297U (en) | 2014-02-20 | 2014-02-20 | Turnout tie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203834297U true CN203834297U (en) | 2014-09-17 |
Family
ID=51512157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420074450.0U Expired - Lifetime CN203834297U (en) | 2014-02-20 | 2014-02-20 | Turnout tie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203834297U (en) |
-
2014
- 2014-02-20 CN CN201420074450.0U patent/CN203834297U/en not_active Expired - Lifetime
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |