CN208604421U - A kind of railway rail pad structure for the installation of minor radius rails - Google Patents
A kind of railway rail pad structure for the installation of minor radius rails Download PDFInfo
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- CN208604421U CN208604421U CN201821175203.4U CN201821175203U CN208604421U CN 208604421 U CN208604421 U CN 208604421U CN 201821175203 U CN201821175203 U CN 201821175203U CN 208604421 U CN208604421 U CN 208604421U
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- rail pad
- pad
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Abstract
The utility model discloses a kind of railway rail pad structures for the installation of minor radius rails, including the rail being installed on sleeper support rail face along the longitudinal direction, it is located at left and right sides of rail on sleeper support rail face and is correspondingly provided with pre-buried fixing seat, railway rail pad is equipped between the rail bottom and sleeper support rail face of the rail, railway rail pad is respectively arranged on the left side and the right side otic placode positioning mechanism, otic placode positioning mechanism includes the ear of time interval arrangement, ear is in same plane with railway rail pad and is connected to one, the locating slot fastened with pre-buried fixing seat is formed between ipsilateral Liang Ge ear, the upper pressure-bearing surface of railway rail pad and the rail bottom bottom surface of rail are closely connected, the lower pressure-bearing surface of railway rail pad and sleeper support rail face are closely connected.The utility model has the advantages of convenient installation, accurate positioning, improves the construction efficiency of rail installation.
Description
Technical field
The utility model relates to railway engineering technology fields, and in particular to a kind of rail for the installation of minor radius rails
Lower bolster plate structure.
Background technique
Currently, railway transportation worldwide rapidly develops, a kind of basic portion of the fastener as railway rail system
Part plays the role of fixed rail, adjustment gauge, while providing buffer function for rail system, improves the comfort level of train.Iron
Route road fastener dosage is larger, and later maintenance cost is high, and therefore, structure is simple, intensity is high, reduces later maintenance cost always
It is the developing direction of fastener.
In the construction of railway, connected using minor radius circular curve also more.And track with small-radius curve radius of curvature is small, column
Huge interaction force is generated when vehicle is passed through in a manner of compulsory inscribing, between wheel track, and track geometry status is caused to be difficult to keep steady
Fixed, easily generation track component such as is seriously worn at many diseases, especially especially shows that curve foreign stock rail is super because of side wear
It limits and frequent repair, considerably increases the maintenance cost of route.To reinforce track with small-radius curve structural strength, slow down rail side
Mill, the service life of advancing the track improve train passage security reliability, will be adjusted in rail work progress, existing
Some fasteners are no longer satisfied construction requirement.Railway rail pad is a kind of for for buffering and/or electrically exhausted in fastener assemblies
Edge.When steel rail laying, railway rail pad is set between the rail bottom and sleeper support rail face of rail, and is placed before rail in-orbit
It rests the head on support rail face, and existing railway rail pad has been unable to meet the demand for development of minor radius rails installation.
Utility model content
The utility model provides a kind of for the installation of minor radius rails to solve shortcoming in the prior art
Railway rail pad structure, easy for installation, accurate positioning, improve rail installation construction efficiency.
In order to solve the above technical problems, the utility model adopts the following technical solution: one kind being used for minor radius rails
The railway rail pad structure of installation is located at steel on sleeper support rail face including the rail being installed on sleeper support rail face along the longitudinal direction
It is correspondingly provided with pre-buried fixing seat at left and right sides of rail, railway rail pad, rail are equipped between the rail bottom and sleeper support rail face of the rail
Lower bolster is respectively arranged on the left side and the right side otic placode positioning mechanism, and otic placode positioning mechanism includes the ear of time interval arrangement, ear
Same plane is in railway rail pad and is connected to one, and is formed between ipsilateral Liang Ge ear and is fastened with pre-buried fixing seat
Locating slot, the upper pressure-bearing surface of railway rail pad and the rail bottom bottom surface of rail are closely connected, the lower pressure-bearing surface of railway rail pad and sleeper support rail
Face is closely connected.
The upper pressure-bearing surface of the railway rail pad is equipped with recessed groove or block slot, and the lower pressure-bearing surface of the railway rail pad is equipped with
Recessed groove or block slot.
The ear of the railway rail pad is equipped with tag slot.
The material of the railway rail pad is thermoplastic polyester elastomer.
The beneficial effects of the utility model are:
Easy for installation, accurate positioning of the utility model improve the construction efficiency of rail installation, install as rail
Fastener assemblies, the buffering and/or electric insulation effect to rail can be played, thus strengthen installation after track structure it is strong
Degree, the service life of advancing the track.
Wherein, railway rail pad is respectively arranged on the left side and the right side otic placode positioning mechanism, and otic placode positioning mechanism includes time interval
The ear of arrangement, ear are in same plane with railway rail pad and are connected to one, formed between ipsilateral Liang Ge ear
The locating slot fastened with pre-buried fixing seat, can be realized railway rail pad and the pre-buried fixation in two sides by the design of otic placode positioning mechanism
The quick positioning and engaging of seat, easy for installation, accurate positioning, and it is easy to disassemble.
The upper pressure-bearing surface of the railway rail pad is equipped with recessed groove or block slot, and the lower pressure-bearing surface of the railway rail pad is equipped with
Recessed groove or block slot, to improve buffering effect.
Detailed description of the invention
Fig. 1 is the assembling top view of elastic bar fastener in embodiment；
Fig. 2 is A-A diagrammatic cross-section in Fig. 1；
Fig. 3 is the top view of gauge block in Fig. 1；
Fig. 4 is B-B diagrammatic cross-section in Fig. 3；
Fig. 5 is the right view of Fig. 3；
Fig. 6 is the top view of railway rail pad in Fig. 1；
Fig. 7 is C-C partial cutaway view in Fig. 6；
Fig. 8 is the main view of pre-buried fixing seat in Fig. 1；
Fig. 9 is D-D diagrammatic cross-section in Fig. 8；
Figure 10 is E-E diagrammatic cross-section in Fig. 8；
Figure 11 is the right view of Fig. 8；
Figure 12 is F-F diagrammatic cross-section in Figure 11；
Figure 13 is the left view of Fig. 8；
Figure 14 is the assembling schematic diagram of theft-prevention structure in embodiment；
Figure 15 is the enlarged drawing in Figure 14 at G.
Specific embodiment
It elaborates below in conjunction with attached drawing to specific embodiment of the present utility model.
As shown in figure 1 to figure 13, a kind of railway rail pad structure for the installation of minor radius rails of the utility model,
Including the rail 5 being installed on sleeper support rail face along the longitudinal direction, positioned at the left and right sides of rail 5, correspondence is set on sleeper support rail face
There is pre-buried fixing seat 1.It is equipped with railway rail pad 4 between the rail bottom and sleeper support rail face of the rail 5, plays buffering and/or electrical
Insulation effect.Railway rail pad 4 is respectively arranged on the left side and the right side otic placode positioning mechanism, and otic placode positioning mechanism includes time interval arrangement
Ear 41, ear 41 is in same plane with railway rail pad 4 and is connected to one, shape between ipsilateral Liang Ge ear 41
At the locating slot fastened with pre-buried fixing seat 1, the upper pressure-bearing surface of railway rail pad 4 and the rail bottom bottom surface of rail 5 are closely connected, railway rail pad
4 lower pressure-bearing surface and sleeper support rail face are closely connected.It is pre-buried with two sides to can be realized railway rail pad 4 by the design of otic placode positioning mechanism
The quick positioning and engaging of fixing seat 1, easy for installation, accurate positioning, and it is easy to disassemble.
According to rigidity Design, the upper pressure-bearing surface of railway rail pad 4 is equipped with recessed groove or block slot, holds under railway rail pad 4
Pressure surface is equipped with recessed groove or block slot, to improve buffering effect.Two ear sides of railway rail pad are additionally provided with tag slot, tag slot
It is interior to be equipped with permanent emblem mark, model, lot number, it is convenient for route onsite lookup, enhances trackability.
In the present embodiment, the material of railway rail pad 4 is thermoplastic polyester elastomer, the compression set of railway rail pad 4
It is not greater than 50%, insulation resistance is not less than 108Ω。
Railway rail pad is that the fastener assemblies installed as rail use, and the present embodiment also discloses a kind of elastic bar fastener knot
Structure, further include: engage between pre-buried fixing seat 1 and the corresponding side surface of rail 5 and be equipped with gauge block 2, plays insulation, fixation
Effect.It is set as extending internally and riding upon the protrusion 21 on the upside of rail rail bottom on the inside of gauge block 2, is equipped at protrusion 21
Downward projection of jaw portion 22 simultaneously cooperatively forms card slot with the protrusion 21, and the rail bottom of rail 5 is connected in the card slot；Gauge block
2 outside is set as the bayonet 23 matched with corresponding pre-buried fixing seat, gauge block 2 by the bayonet 23 with it is corresponding pre-buried solid
Reservation 1 is engaged by clamping；E type spring 3 is also equipped in pre-buried fixing seat 1, and the attaching part pressure of e type spring 3 is set to gauge block 2
On, the support portion of e type spring 3 and pre-buried 1 apical grafting of fixing seat cooperate.
In the present embodiment, the upper side of gauge block 2 by middle planar portion 24 and is located at 24 front and back two of middle planar portion
Side and symmetrically arranged transition part 25 are smoothly connected composition, the attaching part press fit of middle planar portion 24 and e type spring 3, mistake
The inclined-plane that portion 25 is set as tilting down is crossed, the upper side of gauge block is made to form intermediate structure high, two sides are low, e type spring 3
Attaching part slides onto middle planar portion 24 through transition part 25, is deformed e type spring 3 further, thus make e type spring 3 with
Larger interaction force is formed between gauge block 2, guarantees the fixed function to rail；And middle planar portion 24 is towards rail one
Side is prominent, keeps the compression joint area of gauge block and rail larger, further increases the fixed function to rail.
Gauge block 2 is made of insulating material, and the middle planar portion 24 of gauge block and transition part 25 are respectively equipped with mark
Know area, is equipped with permanent emblem mark, model, lot number in tag slot, is convenient for route onsite lookup, enhance trackability.
In the present embodiment, the body of rod 19 of the pre-buried fixing seat 1 including being embedded in sleeper and the pedestal 11 outside sleeper,
The mounting hole 12 of front-rear direction arrangement is correspondingly provided on the pedestal 11, the mounting portion of e type spring 3 is matched with 12 grafting of mounting hole
It closes.
The body of rod 19 includes the flat part of downside and the diffuser for connecting flat part and pedestal, and flat part is from bottom to up
It is sequentially connected and is formed by insertion section 13, arc interconnecting piece 15, laterally protruding portion 15 and docking section 16, insertion section 13 is to be downwardly projected
Arc convex, laterally protruding portion 15 protrudes the flat part laterally outward, and arc interconnecting piece 15 is smoothly connected the insertion section
13 and laterally protruding portion 15, and the left and right opposite sides of arc interconnecting piece is set as concave arc structure.
Diffuser includes two in the symmetrically arranged connecting plate 17 of front-rear direction, and contraction is mutually drawn close simultaneously in the lower end of two connecting plates 17
It is smoothly connected with the docking section 16 of flat part, the arc-shaped flaring in the upper end of two connecting plates 17 is mutually separated outward and fixed with pedestal 11
Connection；It is connected with stiffening plate 18 between two connecting plates 17, loss of weight fabrication hole can be set in stiffening plate 18.
The above structure of the body of rod makes closer in conjunction with its connection with sleeper, guarantees it to the support of pedestal and fixed imitates
Fruit, and then guarantee pre-buried fixing seat to the basic fixed function of rail.And the midline of body of rod front and rear sides is opposite to be equipped with edge
The spine that body of rod length direction extends, to enhance the structural strength of body of rod itself.
As shown in Figure 14 to Figure 15, equipped with antitheft between the support portion and pre-buried fixing seat 1 of e type spring 3 in the present embodiment
Structure, theft-prevention structure include the retaining protrusion 6 being set on the downside of 3 support portion of e type spring and determine on the upside of pre-buried fixing seat
Position pit 7, the retaining protrusion 6 are engaged by clamping with location dimples 7；And along the length direction of 3 support portion of e type spring, retaining is convex
It plays 6 points and retreats side for installation advanced side and disassembly, the installation advanced side 61 of retaining protrusion 6 and e type spring seamlessly transit, and retaining is convex
The disassembly for playing 6 retreats side 62 and e type spring formation retaining facade.
When e type spring 3 is inwardly installed, cooperation is slided on the upside of installation advanced side and pre-buried fixing seat, until retaining protrusion 6 is moved
It moves to location dimples 7, and forms retaining protrusion 6 with location dimples 7 under the elastic reaction of e type spring 3 and be engaged by clamping, this
When retaining protrusion 6 the retaining facade that retreats at side 62 of disassembly contacted with location dimples 7, tearing open for e type spring 3 can be prevented
Unload retrogressing, it is necessary to can just disassemble e type spring under the action of specific purpose tool, realize the anti-theft protection to e type spring.
The easy for installation of the elastic bar fastener structure, stable structure, easy to disassemble, the installation suitable for track with small-radius curve
It is fixed, construction efficiency is improved, and strengthen the structural strength of track with small-radius curve after installation, advancing the track uses the longevity
Life improves train passage security reliability.
Above embodiments are only to illustrate rather than limit the technical solution of the utility model, although referring to above-described embodiment pair
The utility model is described in detail, those skilled in the art should understand that: still can to the utility model into
Row modification or equivalent replacement should all without departing from any modification or partial replacement of the spirit and scope of the utility model
Cover in the scope of the claims of the utility model.
In the description of the present invention, it should be understood that term "front", "rear", "left", "right", "upper", "lower",
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and is only the utility model for ease of description
It is described with simplifying, rather than indicates or imply signified device or element and must have a particular orientation, be specific orientation structure
It makes and operates, thus should not be understood as the limitation for protecting content to the utility model.
Claims (4)
1. a kind of railway rail pad structure for the installation of minor radius rails, including it is installed on sleeper support rail face along the longitudinal direction
On rail, be located on sleeper support rail face at left and right sides of rail and be correspondingly provided with pre-buried fixing seat, it is characterised in that: the rail
Rail bottom and sleeper support rail face between be equipped with railway rail pad, railway rail pad is respectively arranged on the left side and the right side otic placode positioning mechanism, ear
Board positioning mechanism includes the ear of time interval arrangement, and ear is in same plane with railway rail pad and is connected to one,
The locating slot fastened with pre-buried fixing seat, the upper pressure-bearing surface of railway rail pad and the rail bottom of rail are formed between ipsilateral Liang Ge ear
Bottom surface is closely connected, and the lower pressure-bearing surface of railway rail pad and sleeper support rail face are closely connected.
2. the railway rail pad structure according to claim 1 for the installation of minor radius rails, it is characterised in that: described
The upper pressure-bearing surface of railway rail pad is equipped with recessed groove or block slot, the lower pressure-bearing surface of the railway rail pad be equipped with recessed groove or
Block slot.
3. the railway rail pad structure according to claim 1 or 2 for the installation of minor radius rails, it is characterised in that:
The ear of the railway rail pad is equipped with tag slot.
4. the railway rail pad structure according to claim 3 for the installation of minor radius rails, it is characterised in that: described
The material of railway rail pad is thermoplastic polyester elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175203.4U CN208604421U (en) | 2018-07-24 | 2018-07-24 | A kind of railway rail pad structure for the installation of minor radius rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175203.4U CN208604421U (en) | 2018-07-24 | 2018-07-24 | A kind of railway rail pad structure for the installation of minor radius rails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208604421U true CN208604421U (en) | 2019-03-15 |
Family
ID=65670115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821175203.4U Active CN208604421U (en) | 2018-07-24 | 2018-07-24 | A kind of railway rail pad structure for the installation of minor radius rails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208604421U (en) |
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2018
- 2018-07-24 CN CN201821175203.4U patent/CN208604421U/en active Active
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