CN205999723U - A kind of mounting structure of rail curve superelevation of outer rail - Google Patents
A kind of mounting structure of rail curve superelevation of outer rail Download PDFInfo
- Publication number
- CN205999723U CN205999723U CN201620484863.5U CN201620484863U CN205999723U CN 205999723 U CN205999723 U CN 205999723U CN 201620484863 U CN201620484863 U CN 201620484863U CN 205999723 U CN205999723 U CN 205999723U
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- CN
- China
- Prior art keywords
- rail
- outer rail
- backing plate
- sleeper
- superelevation
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Abstract
This utility model is related to a kind of mounting structure of rail curve superelevation of outer rail, including rail, sleeper, backing plate group and elastic fastener, is equipped with described backing plate group between described rail and described sleeper, and described elastic fastener is used for for described rail being fixed on described sleeper；Described rail is divided into outer rail and interior rail, described outer rail includes the first outer rail and the second outer rail, described first outer rail and described second outer rail drop-over, are equipped with monolayer backing plate, are equipped with double-deck backing plate between described second outer rail and described sleeper between described first outer rail and described sleeper；It is equipped with the backing plate group for building interior rail rail cant between described interior rail and described sleeper；This utility model has that structure is simple, feature easy for installation, safe and reliable, can offset the centrifugal force that subway produces in curve driving, make Outer Rail uniform force, meet passenger's comfort, improve stability and the safety of working line.
Description
Technical field
This utility model is related to underground railway construction applications and in particular to a kind of installation of rail curve superelevation of outer rail is tied
Structure.
Background technology
Increase sharply with China human mortality, lead to road vehicles to be on the increase, cause serious traffic congestion, environment dirt
A series of problems, such as dye and energy crisis.Subway, compared with other urban public transport instruments, has that speed is fast, freight volume is big, easypro
Appropriateness is good and the feature of safety and environmental protection, becomes the important vehicles in living in modern metropolitan cities.
When subway is by straight line arrival curve, centrifugal inertial force can be produced, increase the pressure that outer rail bears, squeeze outside rail
So that the abrasion of outer rail is aggravated, thus result in inside and outside two strands of rail wear non-uniform phenomenons, so that passenger is not felt well, also may be used when serious
Overturn accident can be caused.Therefore, pass through to keep balance during curve it is necessary to research and develop a kind of steel rail bending to solve the problems, such as subway
The mounting structure of line superelevation of outer rail, by the track outer rail suitable superelevation of setting, make the self gravitation of subway produce one centripetal
Horizontal component, to offset centrifugal intertia force, makes inside and outside two strands of forces acted on rail ratios more uniform, meets passenger's comfort, improves and runs
The stability of circuit and safety.
Utility model content
Balance to solve the problems, such as that subway passes through holding during curve, this utility model provides a kind of structure simply, peace
Fill the mounting structure of convenient, safe and reliable rail curve superelevation of outer rail.
The technical solution of the utility model is as follows：A kind of mounting structure of rail curve superelevation of outer rail, including rail, rail
Pillow, backing plate group and elastic fastener, are equipped with described backing plate group, described elastic fastener bottom between described rail and described sleeper
It is fixed on described sleeper, for described rail is fixed on described sleeper；Described rail is divided into outer rail and interior rail, described outer rail
Including the first outer rail and the second outer rail, described first outer rail and described second outer rail drop-over, described first outer rail and described sleeper
Between be equipped with monolayer backing plate, be equipped with double-deck backing plate between described second outer rail and described sleeper；Described interior rail and described rail
It is equipped with the backing plate group for building interior rail rail cant, described backing plate group includes the first backing plate, the paving being layed in positive slope between pillow
The second backing plate located at negative slope and the 3rd backing plate being layed in flat slope.
Preferably, it is layed in the monolayer backing plate between described first outer rail and described sleeper, be used for realizing outside described first
The superelevation transition of rail 5～40mm.
Preferably, it is layed in the double-deck backing plate between described second outer rail and described sleeper, be used for realizing outside described second
The superelevation transition of rail 40～108mm.
Preferably, on the location in easement curve, the length of transition curve in described location is 60m to described steel rail laying,
Full superelevation is 108mm.
Preferably, on the location in circular curve, outer rail full superelevation in described location is 108mm to described steel rail laying.
Preferably, it is equipped with 35 sleepers under described first outer rail, under described second outer rail, be equipped with 70 sleepers.
Preferably, described first outer rail length is 20m, and described second outer rail length is 40m.
Preferably, the monolayer backing plate being layed between described first outer rail and described sleeper is iron chair.
Preferably, it is layed in the double-deck backing plate between described second outer rail and described sleeper, wherein one layer is iron chair, separately
One layer is billet.
The beneficial effects of the utility model are：
This utility model provides a kind of mounting structure of rail curve superelevation of outer rail, has structure simply, easy for installation,
Safe and reliable feature, can offset the centrifugal intertia force that subway produces in curve driving, make inside and outside two strands of forces acted on rail ratios
More uniform, meet passenger's comfort, improve stability and the safety of working line.
Brief description
Fig. 1 is a kind of mounting structure generalized section of this utility model rail curve superelevation of outer rail.
Fig. 2 is a kind of mounting structure schematic view of the mounting position of this utility model rail curve superelevation of outer rail.
In figure：1- rail, 2- sleeper, 3- backing plate group, 4- elastic fastener, 11- outer rail, rail in 12-, 111- first outer rail,
112- second outer rail.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type is described in further detail.
Embodiment 1：
As shown in figure 1, a kind of mounting structure of rail curve superelevation of outer rail, including rail 1, sleeper 2, backing plate group 3 and bullet
Property fastener 4, be equipped with described backing plate group 3 between described rail 1 and described sleeper 2, described elastic fastener 4 bottom is fixed on described
Sleeper 2, for being fixed on described sleeper 2 by described rail 1；Described rail 1 is divided into outer rail 11 and interior rail 12, described outer rail 11
Including the first outer rail 111 and the second outer rail 112, described first outer rail 111 and described second outer rail 112 drop-over, outside described first
It is equipped with monolayer backing plate between rail 111 and described sleeper 2, between described second outer rail 112 and described sleeper 2, be equipped with two-layer pad
Plate；
It is equipped with the backing plate group for building interior rail 12 rail cant, described backing plate between described interior rail 12 and described sleeper 2
Group includes being layed in first backing plate on positive slope, being layed in second backing plate on negative slope and be layed in the 3rd backing plate of flat slope.
It is layed in the monolayer backing plate between described first outer rail 111 and described sleeper 2, be used for realizing described first outer rail
The superelevation transition of 111 5mm.
It is layed in the double-deck backing plate between described second outer rail 112 and described sleeper 2, be used for realizing described second outer rail
The superelevation transition of 112 40mm.
Described rail 1 is layed on the location of easement curve, and the length of transition curve in described location is 60m, full superelevation
For 108mm.
Described rail 1 is also layed on the location of circular curve, and the full superelevation in described location is 108mm.
It is equipped with 35 sleepers under described first outer rail 111, under described second outer rail 112, be equipped with 70 sleepers.
Described first outer rail 111 length is 20m, and described second outer rail 112 length is 40m.
The monolayer backing plate being layed between described first outer rail 111 and described sleeper 2 is iron chair.
It is layed in the double-deck backing plate between described second outer rail 112 and described sleeper 2, wherein one layer is iron chair, another
Layer is billet.
Described outer rail 11 superelevation computing formula is：H=11.8v2/ R, h are outer rail 11 superelevation value (mm), and v is road speed
(km/h), R is sweep (m).
The described length of transition curve in easement curve location can calculate according to safety condition and two conditions of comfort level：⑴
According to safety condition, computing formula is：L=h/i, l are the length value (m) of easement curve, and h is outer rail 11 superelevation value (mm), and i is
Easement curve outer rail 11 superelevation slope rate.(2), according to comfort level condition, computing formula is：L=vmax/ 3.6 μ, l are easement curve
Length value (m), h is outer rail 11 superelevation value (mm), vmaxFor driving maximum speed (km/h), μ is lifting on outer rail 11 for the wheel
Speed (mm/s).
Described first outer rail 111 is calculated according to following equation with sleeper 2 radical of described 112 times layings of second outer rail：A=
L-c-2b/n-3, L are every section rail length (mm), containing a rail gap (typically adopt 9mm), b be passage room between a and c away from
(mm), c is rail joint two sleepers spacing (mm), and a is joint tie spacing (c) and passage room remaining rail outside (b)
Pillow spacing.
As shown in Fig. 2 the mounting structure specific superelevation set-up mode of described rail curve superelevation of outer rail is as follows：
From ZH point (intersection point of rectilinear orbit and easement curve) to HY point (intersection point of easement curve and circular curve) meter 20m model
In enclosing, described first outer rail 111 realizes the superelevation transition of 5mm, 35 sleepers altogether using monolayer backing plate (iron chair)；From YH point
(intersection point of circular curve and easement curve) is counted in the range of 40m to HZ point (intersection point of easement curve and rectilinear orbit), and described second
Outer rail realizes the superelevation transition of 40mm, 70 sleepers altogether using double-deck backing plate (iron chair and billet)；Relax song described
Line scope (from ZH point to HY point and from YH point to HZ point) in, described interior rail 12 is respectively adopted the different rule such as positive slope, flat slope, negative slope
Rail 12 rail cant in the realization of lattice iron chair；Described outer rail 11 arranges the full superelevation of 108mm at circular curve location (from HY point to YH point).
The mounting structure mounting means of described rail curve superelevation of outer rail is as follows：
Prepare described rail 1 and the described elastic fastener 4 of corresponding length, described elastic fastener 4 is done one with described sleeper 2
One corresponding numbering, when installing engineering is implemented, removes existing line rail first, then installs whole institutes at node
State elastic fastener 4, and change the described rail 1 of corresponding length.In the case that working space allows, enough people should be put into
Power, to ensure quality and to save the time.If any time enough section, then movable welding trailer should be organized immediately to enter installing engineering
Scene carries out welding rail work, and weldering rail after hours, carries out the locking work of gapless track, and fastening-down temperature of rail is 25 DEG C.
Embodiment 2：
The present embodiment is with upper embodiment difference：
It is layed in the monolayer backing plate between described first outer rail 111 and described sleeper 2, be used for realizing described first outer rail
The superelevation transition of 111 40mm.
It is layed in the double-deck backing plate between described second outer rail 112 and described sleeper 2, be used for realizing described second outer rail
The superelevation transition of 112 108mm.
Above disclosed be only this utility model preferred embodiment and it is impossible to this to limit this utility model it
Interest field, the equivalent variations therefore made according to this utility model claim, still belong to the scope that this utility model is covered.
Claims (7)
1. a kind of mounting structure of rail curve superelevation of outer rail is it is characterised in that include rail (1), sleeper (2), backing plate group (3)
With elastic fastener (4), between described rail (1) and described sleeper (2), it is equipped with described backing plate group (3), described elastic fastener (4)
Described sleeper (2) is fixed in bottom, for described rail (1) is fixed on described sleeper (2)；
Described rail (1) is divided into outer rail (11) and interior rail (12), and described outer rail (11) includes the first outer rail (111) and the second outer rail
(112), described first outer rail (111) and described second outer rail (112) drop-over, described first outer rail (111) and described sleeper (2)
Between be equipped with monolayer backing plate, be equipped with double-deck backing plate between described second outer rail (112) and described sleeper (2)；
It is equipped with the backing plate group for building interior rail (12) rail cant, described pad between described interior rail (12) and described sleeper (2)
Plate group includes being layed in first backing plate on positive slope, is layed in second backing plate on negative slope and is layed in the 3rd backing plate of flat slope.
2. a kind of mounting structure of rail curve superelevation of outer rail according to claim 1 is it is characterised in that be layed in described
Monolayer backing plate between first outer rail (111) and described sleeper (2), is used for realizing the super of described first outer rail (111) 5～40mm
High transition.
3. a kind of mounting structure of rail curve superelevation of outer rail according to claim 1 and 2 is it is characterised in that be layed in
Double-deck backing plate between described second outer rail (112) and described sleeper (2), be used for realizing described second outer rail (112) 40～
The superelevation transition of 108mm.
4. a kind of mounting structure of rail curve superelevation of outer rail according to claim 3 is it is characterised in that described rail
(1) it is layed on the location of easement curve, the length of transition curve in described location is 60m, and superelevation is 108mm.
5. a kind of mounting structure of rail curve superelevation of outer rail according to claim 3 is it is characterised in that described rail
(1) it is layed on the location of circular curve, the full superelevation in described location outer rail (11) is 108mm.
6. a kind of mounting structure of rail curve superelevation of outer rail according to claim 5 is it is characterised in that outside described first
It is equipped with 35 sleepers under rail (111), under described second outer rail (112), be equipped with 70 sleepers.
7. a kind of mounting structure of rail curve superelevation of outer rail according to claim 6 is it is characterised in that outside described first
Rail (111) length is 20m, and described second outer rail (112) length is 40m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484863.5U CN205999723U (en) | 2016-05-24 | 2016-05-24 | A kind of mounting structure of rail curve superelevation of outer rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484863.5U CN205999723U (en) | 2016-05-24 | 2016-05-24 | A kind of mounting structure of rail curve superelevation of outer rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205999723U true CN205999723U (en) | 2017-03-08 |
Family
ID=58204924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620484863.5U Active CN205999723U (en) | 2016-05-24 | 2016-05-24 | A kind of mounting structure of rail curve superelevation of outer rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205999723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109878A (en) * | 2018-07-24 | 2019-01-01 | 重庆宣昶工贸有限公司 | A kind of rail tooling container |
-
2016
- 2016-05-24 CN CN201620484863.5U patent/CN205999723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109878A (en) * | 2018-07-24 | 2019-01-01 | 重庆宣昶工贸有限公司 | A kind of rail tooling container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000 No. 204 Huanshi West Road, Yuexiu District, Guangzhou City, Guangdong Province Co-patentee after: GUANGZHOU METRO GROUP Co.,Ltd. Patentee after: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 510010 Guangzhou Huanshi West Road 204 Metro Design Institute Co-patentee before: GUANGZHOU METRO GROUP Co.,Ltd. Patentee before: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181127 Address after: 510000 No. 204 Huanshi West Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 510000 No. 204 Huanshi West Road, Yuexiu District, Guangzhou City, Guangdong Province Co-patentee before: GUANGZHOU METRO GROUP Co.,Ltd. Patentee before: GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE Co.,Ltd. |