CN106337324B - Groove profile rail rail overlapping device - Google Patents
Groove profile rail rail overlapping device Download PDFInfo
- Publication number
- CN106337324B CN106337324B CN201610954878.8A CN201610954878A CN106337324B CN 106337324 B CN106337324 B CN 106337324B CN 201610954878 A CN201610954878 A CN 201610954878A CN 106337324 B CN106337324 B CN 106337324B
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- rail
- tongue
- stock
- flange
- groove profile
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 241001669679 Eleotris Species 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 2
- 238000005242 forging Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 210000002105 tongue Anatomy 0.000 description 84
- 238000003466 welding Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B21/00—Track superstructure adapted for tramways in paved streets
- E01B21/04—Special fastenings, joint constructions, or tie-rods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention provides a kind of groove profile rail rail overlapping device, the groove profile rail rail overlapping device includes:Tongue, stock rail, fastener and sleeper;The tongue includes:The tongue flange of rail, the tongue web of the rail, tongue rail head and flangeway;The stock rail includes:The stock rail flange of rail, the stock rail web of the rail and stock rail rail head.The tongue of the present invention is manufactured with stock rail using same groove profile rail, and identical with the groove profile rail that both ends are to be welded, without carrying out forging processing to heel of switch rail, can facilitate the adjuster length needed for intercepting.Tongue retains original flangeway, has at utmost continued groove profile rail wheel rim slot structure.Elastic iron chair uses eccentric block composite construction, is not only convenient for adjusting gauge and rail to and convenient-laying is on curve.Tongue uses compound slicing face with the closely connected inoperative side of stock rail, has stronger structural stability, higher vertical and horizontal smooth degree and less flexible resistance, and can conveniently make the adjuster of different permission strokes.
Description
Technical field
The present invention relates to a kind of rail overlapping device, i.e., a kind of groove profile rail rail overlapping device is especially a kind of suitable
Groove profile rail rail overlapping device for tramcar.
Background technology
Railway track expansion and cotraction regulator (Expansion Joints) is one of important track component, and its function is:No
Only allow Railway wheelset can safely, smoothly at a high speed by and for coordinating long-span bridge beam caused by the beam body temperature difference
Hold the telescopic displacement of telescopic displacement and gapless line so that seamless turnout on bridge during operation in this automatic relief TEMPERATURE FORCE,
So as to reduce the gapless track longitudinal force that track and pier shaft are born.
At present, railway track expansion and cotraction regulator mainly uses structure as shown in Figure 1.Wherein, stock rail 10 uses and area
Between the rail of circuit rail same model be process, such as CHN60, CHN75, UIC54 (60) and Bs90 etc..Tongue 11 uses
The dwarf forms special section frog (abbreviation AT rail) highly low compared with jack per line stock rail is process.But this type tongue need to match somebody with somebody
Higher platen is closed to use, as shown in Figures 2 and 3, and heel of switch rail section 111 need to be forged into common rail profile 101, so as to
It is connected with common rail.Such as the 60AT1 rails of one of AT rails, its height are lower 24mm than 60kg/m standard section rail, during use
24mm platens need to be divided into.
Prior art, not only forging technology is complicated for AT heel of switch rail, and forging molding section mechanical performance and smooth degree requirement are very
Height, when the adjuster of AT tongues is laid on the circuit that both ends are groove profile rails, AT tongues do not have flangeway, and treat weld groove with both ends
Type rail section configuration is different, will have a strong impact on the mechanical performance and smooth degree of welding point.
In summary, for groove profile rail, problems with the prior art be present:Heel end forging technology is answered when AT rails do tongue
Miscellaneous, forging molding section mechanical performance and smooth-going section requirement are high, it is limited (general below 0.8m) that shaping segment lenght is limited by mould,
It is different from both ends groove profile rail section configuration to be welded and profiled section is without flangeway, by have a strong impact on welding point mechanical performance and
Smooth degree.
The content of the invention
The present invention provides a kind of groove profile rail rail overlapping device, to solve the use AT of existing rail overlapping device
Cause heel of switch rail processed complex during rail, and the problems such as without groove profile rail flangeway.
Therefore, the present invention proposes a kind of groove profile rail rail overlapping device, the groove profile rail rail overlapping device includes:
Tongue, stock rail, fastener and sleeper;Together with the tongue and stock rail are mutually closely connected, the fastener is by the tongue and base
This rail is fixed on by elastic iron chair and bolt pair on the multiple sleepers being arranged side by side;The tongue includes:Tongue rail
Bottom, the connection tongue flange of rail and the tongue web of the rail upwardly extended, be connected to the tongue web of the rail top and to first on the side
The tongue rail head of extension, it is connected to the tongue web of the rail top and to the second flangeway extended on the side;The tongue flange of rail
First " L " shape is formed with the tongue web of the rail;The side of the bottom manomelia of described first " L " shape is the heel of the tongue flange of rail;Institute
The lower minister's limb for stating first " L " shape is located at the second side of the tongue web of the rail;
The stock rail includes:The stock rail flange of rail, the connection stock rail flange of rail and the stock rail web of the rail upwardly extended, connect
It is connected on the stock rail web of the rail top and the stock rail rail head extended to first side;The stock rail flange of rail with it is described basic
The rail web of the rail forms second " L " shape;The side of the bottom manomelia of described second " L " shape is the heel of the stock rail flange of rail;Described second
Lower minister's limb of " L " shape is located at the first side of the stock rail web of the rail;First side is in opposite direction with second side;
The stock rail flange of rail and the tongue flange of rail are located on same support rail face;
The medial surface of the closely connected stock rail rail head of medial surface (i.e. inoperative side) of the tongue rail head;
The heel of the heel of the stock rail flange of rail and the tongue flange of rail leaves gap.
Further, the tongue and stock rail are manufactured using same groove profile rail, and the groove profile rail and both ends are to be welded
Groove profile rail is identical, without being processed to heel of switch rail.
Further, the tongue and stock rail remain the original flangeway of groove profile rail, have at utmost continued groove profile
Rail wheel rim slot structure.
Further, the inoperative side of the tongue rail head is the smooth surface being made up of two sections or multiple camber.
Further, the smooth surface is compound slicing face, and the compound slicing curved surface includes the first plane being connected
Tangent surface and the second slicing curved surface, the first slicing curved surface have the first radius, and the second slicing curved surface has the second half
Footpath, first radius is more than the second radius, and the center of first radius and the second radius is respectively positioned on the non-work of the tongue
Make side side, the first slicing curved surface and the second slicing curved surface smoothly transit.
Further, near the point of switch, the sleeper uses intensive setting, strong after the cutting of the rail flange of rail to compensate
Degree.
Further, the fastener includes:Support elastic iron chair, the general of the stock rail flange of rail and the tongue flange of rail
The web of the rail of the stock rail laterally holds out against and its flange of rail is withheld into the first rail brace on the elastic iron chair, by the tongue
The web of the rail laterally hold out against and its flange of rail is withheld into the second rail brace on the elastic iron chair and by first rail brace and
Second rail brace is fastened on the bolt pair on the elastic iron chair.
Further, the contact surface of the elastic iron chair and the stock rail flange of rail and the elastic iron chair with it is described
The contact surface of the tongue flange of rail is same support rail face, and the rail cant of design requirement can be set in the support rail face.The elastic iron chair
Iron chair can be used to be assembled apart structure with resilient sleeper-bearing, can be also fabricated to using iron chair with resilient sleeper-bearing by sulfuration process
Overall structure.
Further, the elastic iron chair uses eccentric block composite construction, be not only convenient for adjusting gauge and rail to, and
Facilitate adjuster in 3 in Curve Segment laying and maintenance.
The beneficial effects of the present invention are:
(1) in the present invention, tongue and stock rail use the groove profile rail processing and fabricating of same rail type, eliminate tongue with
End forging processing link, can conveniently intercept required adjuster length, simplify manufacturing process.
(2) in the present invention, the flange of rail of tongue and stock rail is arranged on the same support rail face of iron chair, and the support rail face can
The rail cant of design requirement is set, simplifies iron chair and fastener system structure.
(3) in the present invention, tongue and stock rail and both ends rail to be welded are same groove profile rail, not only remain original
There is a groove profile rail flangeway, and the groove profile that adjuster both ends rail profile appearance and size and live both ends are to be welded or clamping plate couples
Rail rail end section appearance and size is identical, and the welding point after weldering connection has complete groove profile rail profile, thus ensure that weldering
The intensity and smooth degree of joint, extend welding point service life.
(4) in the present invention, the inoperative side (tongue rail head medial surface) of tongue is answered by what two sections or multistage curve formed
Close slicing curved surface to form, slicing scope length, there is stronger structural stability and higher vertical and horizontal smooth degree.
(5) elastic iron chair uses eccentric block composite construction, is not only convenient for adjusting gauge and rail to and facilitating adjuster
In 3 in Curve Segment laying and maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of existing rail overlapping device;
Fig. 2 is the standard rail structural representation used in existing rail overlapping device;
Fig. 3 is the AT rail structural representations used in existing rail overlapping device;
Fig. 4 is the sectional drawing of groove profile rail used in a kind of groove profile rail rail overlapping device of the present invention;
Fig. 5 is a kind of stereogram of the tongue of groove profile rail rail overlapping device of the present invention;
Fig. 6 is a kind of front view of the tongue of groove profile rail rail overlapping device of the present invention;
Fig. 7 is a kind of top view of the tongue of groove profile rail rail overlapping device of the present invention;
Fig. 8 is a kind of side view of the tongue of groove profile rail rail overlapping device of the present invention;
Fig. 9 is a kind of laying figure of groove profile rail rail overlapping device of the present invention;
Figure 10 is profile at line A-A in Fig. 9, shows the assembling knot of the groove profile rail rail overlapping device of the present invention
Structure;
Figure 11 is the cross-sectional view of stock rail in Fig. 9.
Drawing reference numeral explanation:
The tongue of 10 stock rail 11
The 101 common AT rails of rail 111
The groove profile rail of 2 rail overlapping device 20
The flangeway of 201 groove profile rail rail head 202
The groove profile rail flange of rail of the 203 groove profile rail web of the rail 204
The stock rail rail head of 21 stock rail 211
The stock rail flange of rail of heel 213 of the 212 stock rail flanges of rail
The stock rail rail head medial surface of the 214 stock rail web of the rail 215
The tongue rail head of 22 tongue 221
The heel of the tongue flange of rail of 222 tongue rail head medial surface 223
The tongue flange of rail of the 224 tongue web of the rail 225
226 flangeways 230 compensate gap
The heel of switch rail of 240 point of switch 241
242 stock rail tops
30 fasteners
301 first rail brace, 302 elastic iron chair
The height adjusting cushion plate of 303 bolt pair 304
The sleeper of 305 second rail brace 40
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
It is bright.
As shown in Figure 8, Figure 9, Figure 10 and Figure 11, the groove profile rail rail overlapping device 2 of the embodiment of the present invention includes:Tongue
22nd, stock rail 21, fastener 30 and sleeper 40;The tongue 22 and the rail head of stock rail 21 closely together with, the fastener 30 is by institute
State tongue 22 and stock rail 21 and the multiple sleepers 40 being arranged side by side are fixed on by elastic iron chair 302 and bolt pair 303
On;
As shown in fig. 6, the tongue 22 includes:The tongue flange of rail 225, the connection tongue flange of rail 225 simultaneously upwardly extend
The tongue web of the rail 224, it is connected to the top of the tongue web of the rail 224 and the tongue rail upwardly extended to the first side (left side in Fig. 8)
First 221, the top of the tongue web of the rail 224 and the flangeway 226 upwardly extended to the second side (right side in Fig. 8) are connected to;Institute
State the tongue flange of rail 225 and form first " L " shape with the tongue web of the rail 224;The side of the bottom manomelia of described first " L " shape is point
The heel 223 of the rail flange of rail;Lower minister's limb of described first " L " shape is located at the second side of the tongue web of the rail 224;
As shown in Figure 10 and Figure 11, the stock rail 21 includes:The stock rail flange of rail 213, the connection stock rail flange of rail are simultaneously
The stock rail web of the rail 214 that upwardly extends, it is connected to the top of the stock rail web of the rail 214 and to the first side (left side in Figure 11
Side) extension stock rail rail head 211;The stock rail flange of rail 213 is connected with the stock rail web of the rail 214 forms second " L " shape;
The side of the bottom manomelia of described second " L " shape is the heel 212 of the stock rail flange of rail;Lower minister's limb position of described second " L " shape
In the first side of the stock rail web of the rail 214 (left side in Figure 11);First side is in opposite direction with second side;
As shown in Fig. 8, Figure 10 and Figure 11, the stock rail flange of rail 213 and the tongue flange of rail 225 are located on same support rail face,
Additionally padded is not needed, simplifies fastener system.
The closely connected stock rail rail head medial surface 215 of tongue rail head medial surface 222, and in the telescopic process of stock rail 21
In be always maintained at it is closely connected;The heel 223 of the heel 212 of the stock rail flange of rail and the tongue flange of rail leaves minim gap, keeps away
The consequence that tongue rail head medial surface 222 and stock rail rail head medial surface 215 can not be closely connected during due to gapless is exempted from.
There is compensation gap 230 between the tongue web of the rail 224 and the stock rail web of the rail 214.It is perpendicular to compensate gap 230
Strip crevice or cavity, reduce 2 friction in telescopic process between stock rail and tongue of rail overlapping device of groove profile rail
Power.
As shown in Fig. 4, Fig. 9 and Figure 10, the tongue 22 and stock rail 21 are all made up of same groove profile rail 20.The groove
Type rail 20 has the groove profile rail rail head 201 and flangeway 202.Tongue 22 and stock rail 21 remain 20 original wheel of groove profile rail
Edge groove 202, groove profile rail wheel rim slot structure is at utmost continued, without carrying out forging processing to heel of switch rail 241, can conveniently cut
Required adjuster length is taken, simplifies manufacturing process.Adjuster both ends (i.e. heel of switch rail 241 and stock rail top 242)
Section appearance and size and live both ends are to be welded or the groove profile rail rail end section appearance and size of clamping plate connection is identical, after weldering connection
Welding point there is complete groove profile rail profile, thus ensure that the intensity and smooth degree of welding point, extend welding and connect
Head service life.
Either stock rail 21, or tongue 22, the web of the rail 203 of groove profile rail 20 is not processed, so as to most
It ensure that to limits the intensity of adjuster.
Further, as shown in figure 5 and figure 7, the tongue rail head medial surface 222 is the smooth song being made up of two sections of curved surfaces
Face.The inoperative side (tongue rail head medial surface 222) that the tongue 22 is engaged with stock rail 21 is by two sections or multistage curve group
Formed into compound slicing curved surface, for example, can be a curve for including characterizing using a function expression, can also use two
Bar or a plurality of circular curve.So, the asking for stress concentration caused by two sections of inclined-plane connections of tongue rail head medial surface 222 is avoided
Topic.Tongue rail head medial surface 222 and the stock rail rail head medial surface 215 are closely connected, have stronger structural stability and higher
Vertical and horizontal smooth degree.
As shown in fig. 7, the compound slicing curved surface (tongue rail head medial surface 222) includes the first slicing curved surface being connected
And the second slicing curved surface, the first slicing curved surface have the first radius R1, the second slicing curved surface has the second radius R2,
The first radius R1 is more than the second radius R2, and the first slicing curved surface and the second slicing curved surface smoothly transit.First slicing
Curved surface is close to the point of switch 240, and the radius R1 and radius R2 center is respectively positioned on the tongue inoperative side side.
To improve the vertical smooth degree of the groove profile rail rail overlapping device 2, the preferably described rail head of tongue 22 highly drops
Low starting point is arranged on the section part that its rail head width is no more than 50mm.For example, in a specific embodiment, tongue rail head is high
The starting point that degree reduces is arranged on the section part that rail head width is 40mm, and in-orbit head width is the rail head height reduction of 35mm section parts
It is worth for 0.5mm, the decreasing value of rail head height is 23mm (head end of the first slicing curved surface and the second slicing song at the point of switch 240
The difference in height of the head end in face is, for example, 23mm).Decreasing value starting point is advanceed to rail head width less than or equal to 45mm's by the present invention
Section part, it is effectively improved the vertical smooth degree of adjuster.
Further, as shown in figure 9, near the point of switch 240, the sleeper 40 (reduces sleeper using intensive set
The distance between 40), with compensate the rail flange of rail cutting after intensity.
Further, as shown in Figure 10, the fastener 30 includes:Support the stock rail flange of rail and the tongue flange of rail
Elastic iron chair 302, the web of the rail of the stock rail is laterally held out against and withholds its flange of rail on the elastic iron chair 302
First rail brace 301, the web of the rail of the tongue is laterally held out against and its flange of rail is withheld on the elastic iron chair 302 second
Rail brace 305, the and of bolt pair 303 that the rail brace 305 of the first rail brace 301 and second is fastened on on the elastic iron chair 302
Height adjusting cushion plate 304.
First rail brace 301 withholds stock rail 21, and the second rail brace 305 withholds tongue 22, by bolt pair 303 by first
Rail brace 301 is fixed on elastic iron chair 302, described so as to which stock rail 21 and tongue 22 are fixed on elastic iron chair 302
Elastic iron chair 302 is then fixed on sleeper 40 by bolt pair 303.The fastener 30 has supporting adjuster, provides vertical bullet
Property, keep the functions such as location of rail, adjustment rail or so and high and low position, train can be buffered and shaken strongly by caused
Dynamic and impact, ensure the comfortableness of train operation.
Eccentric block composite construction is used at the screw of the elastic iron chair 302, be not only convenient for adjusting gauge and rail to, and
And facilitate adjuster in 3 in Curve Segment laying and maintenance.
Further, as shown in Figure 10, contact surface and institute of the elastic iron chair 302 with the stock rail flange of rail 213
The contact surface for stating elastic iron chair 302 and the tongue flange of rail 225 is same support rail face.The support rail face can be according to design requirement
Rail cant at any angle is set, for example, rail cant may be configured as 1:40 or 1:20.In this specific embodiment, due in groove
The top of type rail 20 has been provided with the gradient, so the support rail plane of elastic iron chair 302 no longer sets rail cant.
Described above is can carry out the rail overlapping device structure of one-way expansion, be adjusted when by upper described rail stroke
Device 2 carries out mirror to (using stock rail as minute surface) or when being symmetrical arranged, then may make up a two-way rail overlapping device.The two-way steel
The length of rail expansion and cotraction regulator is twice of the rail overlapping device 2, and tongue both ends are the point of switch, can equally be protected
Tongue locking is demonstrate,proved, stock rail stretches.
There is the groove profile rail rail overlapping device of the present invention stronger structural stability and higher vertical and level to put down
Compliance, there is the characteristics of keeping track geometry status constant in smaller flexible resistance, telescopic process, service life is long, safeguards less,
Especially suitable for streetcar track.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.For this
Each part of invention can be mutually combined under conditions of not conflicting, any those skilled in the art, not depart from this
Made equivalent variations and modification, all should belong to the scope of protection of the invention on the premise of the design of invention and principle.
Claims (9)
1. a kind of groove profile rail rail overlapping device, it is characterised in that the groove profile rail rail overlapping device includes:Tongue,
Stock rail, fastener and sleeper;Together with the tongue is mutually closely connected with stock rail, the fastener leads to the tongue and stock rail
Elastic iron chair and bolt pair is crossed to be fixed on the multiple sleepers being arranged side by side;The tongue includes:The tongue flange of rail, connection
The tongue flange of rail and upwardly extend the tongue web of the rail, be connected to the tongue web of the rail top and to the first point extended on the side
Rail rail head, it is connected to the tongue web of the rail top and to the second flangeway extended on the side;The tongue flange of rail and the point
The rail web of the rail forms first " L " shape;The side of the bottom manomelia of described first " L " shape is the heel of the tongue flange of rail;First " L "
Lower minister's limb of shape is located at the second side of the tongue web of the rail;
The stock rail includes:The stock rail flange of rail, the connection stock rail flange of rail and the stock rail web of the rail upwardly extended, it is connected to
The stock rail web of the rail top and the stock rail rail head extended to first side;The stock rail flange of rail and the stock rail rail
Kidney-shaped is into second " L " shape;The side of the bottom manomelia of described second " L " shape is the heel of the stock rail flange of rail;Described second " L " shape
Lower minister's limb be located at the first side of the stock rail web of the rail;First side is in opposite direction with second side;
The stock rail flange of rail and the tongue flange of rail are located on same support rail face;
The medial surface of the closely connected stock rail rail head of medial surface of the tongue rail head;
The heel of the heel of the stock rail flange of rail and the tongue flange of rail leaves gap.
2. groove profile rail rail overlapping device as claimed in claim 1, it is characterised in that the tongue and stock rail are using same
A kind of groove profile rail manufacture, the groove profile rail is identical with the groove profile rail that both ends are to be welded, without being processed to heel of switch rail.
3. groove profile rail rail overlapping device as claimed in claim 1, it is characterised in that the tongue and stock rail remain
The original flangeway of groove profile rail, groove profile rail wheel rim slot structure is at utmost continued.
4. groove profile rail rail overlapping device as claimed in claim 1, it is characterised in that the inoperative side of the tongue rail head
For the smooth surface being made up of two sections or multiple camber.
5. groove profile rail rail overlapping device as claimed in claim 4, it is characterised in that the smooth surface is compound slicing
Face, the compound slicing curved surface include the first slicing curved surface and the second slicing curved surface being connected, the first slicing curved mask
There is the first radius, the second slicing curved surface has the second radius, and first radius is more than the second radius, and described the first half
Footpath and the center of the second radius are respectively positioned on the tongue inoperative side side, the first slicing curved surface and the second slicing curved surface light
Slip over and cross.
6. groove profile rail rail overlapping device as claimed in claim 1, it is characterised in that near the point of switch, the rail
Pillow uses intensive setting, to compensate the intensity after the cutting of the rail flange of rail.
7. groove profile rail rail overlapping device as claimed in claim 1, it is characterised in that the fastener includes:Described in support
The elastic iron chair of the stock rail flange of rail and the tongue flange of rail, the web of the rail of the stock rail is laterally held out against and withholds its flange of rail
The first rail brace on the elastic iron chair, the web of the rail of the tongue is laterally held out against and withholds its flange of rail in the elasticity
The second rail brace on iron chair and first rail brace and the second rail brace are fastened on the bolt on the elastic iron chair
It is secondary.
8. groove profile rail rail overlapping device as claimed in claim 7, it is characterised in that the elastic iron chair and the base
The contact surface of the contact surface of this rail flange of rail and the elastic iron chair and the tongue flange of rail is same support rail face, the support rail face
The rail cant of design requirement is set;The elastic iron chair is assembled apart structure using iron chair with resilient sleeper-bearing, or using iron
Backing plate is fabricated to overall structure with resilient sleeper-bearing by sulfuration process.
9. groove profile rail rail overlapping device as claimed in claim 8, it is characterised in that the elastic iron chair is using eccentric
Block composite construction, it is not only convenient for adjusting gauge and rail to and facilitating adjuster in 3 in Curve Segment laying and maintenance.
Priority Applications (1)
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CN201610954878.8A CN106337324B (en) | 2016-11-03 | 2016-11-03 | Groove profile rail rail overlapping device |
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CN201610954878.8A CN106337324B (en) | 2016-11-03 | 2016-11-03 | Groove profile rail rail overlapping device |
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CN106337324A CN106337324A (en) | 2017-01-18 |
CN106337324B true CN106337324B (en) | 2018-03-06 |
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Families Citing this family (4)
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CN108842524A (en) * | 2018-09-14 | 2018-11-20 | 芜湖中铁科吉富轨道有限公司 | A kind of stock rail and tongue rail head structural form |
CN109487645A (en) * | 2018-09-28 | 2019-03-19 | 四川易亨机械制造有限公司 | A kind of groove profile rail reinforced structure |
CN111206147A (en) * | 2020-03-17 | 2020-05-29 | 中铁宝桥集团有限公司 | Steel rail heel clamping tool and using method |
CN113529497B (en) * | 2020-04-21 | 2022-11-25 | 洛阳双瑞橡塑科技有限公司 | Track vibration damping system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5390881A (en) * | 1992-07-22 | 1995-02-21 | Bwg Butzbacher Weichenbau Gmbh | Roller assembly for a switch tongue used with a stock rail |
CN201089872Y (en) * | 2007-09-30 | 2008-07-23 | 中国铁道科学研究院铁道建筑研究所 | Rail expansion device |
MX345424B (en) * | 2011-11-30 | 2016-12-30 | Alvaro Ortiz Rivas Arturo | Turn point rail with an insert for switching rail tracks. |
CN102518007B (en) * | 2011-12-12 | 2014-03-12 | 中铁宝桥集团有限公司 | Steel rail expansion adjuster |
CN104499383A (en) * | 2014-12-31 | 2015-04-08 | 成都市新筑路桥机械股份有限公司 | Channel rail expansion adjustor |
CN206173750U (en) * | 2016-11-03 | 2017-05-17 | 中国铁道科学研究院 | Groove rail rail expansion device |
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