CN208604417U - A kind of elastic bar fastener structure for minor radius rails - Google Patents
A kind of elastic bar fastener structure for minor radius rails Download PDFInfo
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- CN208604417U CN208604417U CN201821174623.0U CN201821174623U CN208604417U CN 208604417 U CN208604417 U CN 208604417U CN 201821174623 U CN201821174623 U CN 201821174623U CN 208604417 U CN208604417 U CN 208604417U
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- rail
- fixing seat
- type spring
- buried fixing
- gauge block
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Abstract
The utility model discloses a kind of elastic bar fastener structures for 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, engage between the pre-buried fixing seat and the corresponding side surface of rail and is equipped with gauge block, it is set as extending internally and riding upon the protrusion on the upside of rail rail bottom on the inside of gauge block, it is equipped with downward projection of jaw portion at protrusion and cooperatively forms card slot with the protrusion, the rail bottom of rail is connected in the card slot；The bayonet matched with corresponding pre-buried fixing seat is set as on the outside of gauge block, gauge block is engaged by clamping by the bayonet with corresponding pre-buried fixing seat；E type spring is also equipped in pre-buried fixing seat, and the attaching part pressure of e type spring is set on gauge block, the support portion of e type spring and pre-buried fixing seat apical grafting cooperate.The utility model has the advantages of convenient installation, stable structure, the track structure intensity after ensure that installation.
Description
Technical field
The utility model relates to railway engineering technology fields, and in particular to a kind of spring button for minor radius rails
Part 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.
Utility model content
The utility model provides a kind of bullet for minor radius rails to solve shortcoming in the prior art
Fastener structures, easy for installation, stable structure, the track structure intensity after guaranteeing installation.
In order to solve the above technical problems, the utility model adopts the following technical solution: one kind being used for minor radius rails
Elastic bar fastener structure be located at rail on sleeper support rail face including the rail being installed on sleeper support rail face along the longitudinal direction
The left and right sides is correspondingly provided with pre-buried fixing seat, engages between the pre-buried fixing seat and the corresponding side surface of rail and is equipped with gauge gear
Block, gauge block inside are set as extending internally and riding upon the protrusion on the upside of rail rail bottom, are equipped with and are downwardly projected at protrusion
Jaw portion and cooperatively form card slot with the protrusion, the rail bottom of rail is connected in the card slot；Be set as on the outside of gauge block with
The bayonet that corresponding pre-buried fixing seat matches, gauge block are engaged by clamping by the bayonet with corresponding pre-buried fixing seat；It is pre-buried
It is also equipped with e type spring in fixing seat, and the attaching part pressure of e type spring is set on gauge block, the support portion of e type spring and pre-
Bury the cooperation of fixing seat apical grafting.
The upper side of the gauge block is by middle planar portion and is located at middle planar portion front and rear sides and is symmetrical arranged
Transition part be smoothly connected composition, the attaching part press fit of middle planar portion and e type spring, what transition part was set as tilting down
Inclined-plane makes the upper side of gauge block form intermediate structure high, two sides are low, and middle planar portion is prominent towards rail side.
The middle planar portion and transition part of the gauge block are respectively equipped with tag slot.
The gauge block is made of insulating material.
The pre-buried fixing seat includes the body of rod being embedded in sleeper and the pedestal outside sleeper, is corresponded on the pedestal
Mounting hole equipped with front-rear direction arrangement, the mounting portion and the mounting hole of e type spring are mating.
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 include the ear of time interval arrangement, ear and railway rail pad be in same plane and
It is connected to one, forms the locating slot fastened with pre-buried fixing seat between ipsilateral Liang Ge ear, held on railway rail pad
The rail bottom bottom surface of pressure surface and rail is closely connected, and the lower pressure-bearing surface of railway rail pad and sleeper support rail face are 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.
Theft-prevention structure is equipped between the support portion and pre-buried fixing seat of the e type spring, theft-prevention structure includes being set to e type bullet
Retaining protrusion on the downside of support portion and the location dimples on the upside of pre-buried fixing seat, the retaining protrusion and location dimples
It is engaged by clamping；And along the length direction of e type spring support portion, retaining protrusion is divided into installation advanced side and disassembly retreats side, retaining
The installation advanced side of protrusion and e type spring seamlessly transit, and the disassembly of retaining protrusion retreats side and e type spring forms retaining facade.
The beneficial effects of the utility model are:
The easy for installation of the utility model, stable structure, easy to disassemble, the installation suitable for track with small-radius curve is solid
It is fixed, construction efficiency is improved, and strengthen the structural strength of track after installation, the service life of advancing the track improves train
Current security reliability.
Wherein, it is placed between pre-buried fixing seat and rail when gauge block is installed, the attaching part pressure of e type spring is set after assembly
In on gauge block, the support portion of e type spring and pre-buried fixing seat apical grafting cooperate, and holding and trapped orbit are played in mutual cooperation
Effect, guarantee that rail is placed in the middle position of pre-buried fixing seat, and play the role of insulation.The upper side shape of gauge block
At the low structure in intermediate high, two sides, the attaching part of e type spring slides onto middle planar portion through transition part when installation, makes e type spring
It is further deformed, to make to form larger interaction force between e type spring and gauge block, guarantees the fixation to rail
Effect；And middle planar portion is prominent towards rail side, keeps the compression joint area of gauge block and rail larger, further increases pair
The fixed function of rail.
It is equipped with theft-prevention structure between the support portion and pre-buried fixing seat of the e type spring, realizes the antitheft guarantor to spring
Shield, reduces maintenance cost.When e type spring is inwardly installed, cooperation is slided on the upside of installation advanced side and pre-buried fixing seat, until only
It moves back protrusion to be moved at location dimples, and so that retaining protrusion is formed clamping with location dimples under the elastic reaction of e type spring and match
It closes, it is easy for installation；The retaining facade that the disassembly of retaining protrusion retreats at side at this time is contacted with location dimples, can be prevented
The disassembly of e type spring retreats, it is necessary to can just disassemble e type spring, under the action of specific purpose tool so as to avoid e type spring
It falls off or is stolen and lose.
Detailed description of the invention
Fig. 1 is the assembling top view of elastic bar fastener in embodiment one；
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 elastic bar fastener in embodiment two；
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.
Embodiment one:
As shown in figure 1 to figure 13, a kind of elastic bar fastener structure for minor radius rails of the utility model, including
The rail 5 being installed on sleeper support rail face along the longitudinal direction, be located on sleeper support rail face rail 5 the left and right sides be correspondingly provided with it is pre-
Bury fixing seat 1.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.Be set as extending internally and riding upon the protrusion 21 on the upside of rail rail bottom on the inside of gauge block 2, be equipped at protrusion 21 to
Under jaw portion 22 outstanding and cooperatively form card slot with the protrusion 21, the rail bottom of rail 5 is connected in the card slot；Gauge block 2
Outside be 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, between the rail bottom and sleeper support rail face of the rail 5 be equipped with railway rail pad 4, play buffering and/or
Electric 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
The ear 41 of arrangement, ear 41 are in same plane with railway rail pad 4 and are connected to one, ipsilateral Liang Ge ear 41 it
Between formed with pre-buried fixing seat 1 fasten locating slot, the upper pressure-bearing surface of railway rail pad 4 and the rail bottom bottom surface of rail 5 are closely connected, under rail
The lower pressure-bearing surface of backing plate 4 and sleeper support rail face are closely connected.
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.Two ear sides of railway rail pad are additionally provided with tag slot, are equipped with permanent factory in tag slot
Mark, model, lot number are convenient for route onsite lookup, enhance 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。
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.
The easy for installation of the utility model, stable structure, easy to disassemble, the installation suitable for track with small-radius curve is solid
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.
Embodiment two:
As shown in Figure 14 to Figure 15, the embodiment and embodiment one the difference is that: the support portion of e type spring 3 with
Be equipped with theft-prevention structure between pre-buried fixing seat 1, theft-prevention structure include retaining protrusion 6 on the downside of 3 support portion of e type spring and
Location dimples 7 on the upside of pre-buried fixing seat, the retaining protrusion 6 are engaged by clamping with location dimples 7；And along e type spring 3
The length direction of support part, 6 points of retaining protrusion retreat side, the installation advanced side 61 of retaining protrusion 6 and e for installation advanced side and disassembly
The smooth transition of type spring, the disassembly of retaining protrusion 6 retreats side 62 and e type spring forms 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.
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 (10)
1. a kind of elastic bar fastener structure for minor radius rails, including being installed on sleeper support rail face along the longitudinal direction
Rail is located on sleeper support rail face at left and right sides of rail and is correspondingly provided with pre-buried fixing seat, it is characterised in that: the pre-buried fixation
Engage between seat and the corresponding side surface of rail and be equipped with gauge block, is set as extending internally and rides upon rail on the inside of gauge block
Protrusion on the upside of rail bottom is equipped with downward projection of jaw portion at protrusion and cooperatively forms card slot, the rail of rail with the protrusion
Bottom is connected in the card slot；The bayonet matched with corresponding pre-buried fixing seat is set as on the outside of gauge block, gauge block passes through
The bayonet is engaged by clamping with corresponding pre-buried fixing seat；It is also equipped with e type spring in pre-buried fixing seat, and e type spring is withheld
Portion's pressure is set on gauge block, and the support portion of e type spring and pre-buried fixing seat apical grafting cooperate.
2. the elastic bar fastener structure according to claim 1 for minor radius rails, it is characterised in that: the gauge
The upper side of block is by middle planar portion and positioned at middle planar portion front and rear sides and symmetrically arranged transition part is smoothly connected
Composition, the attaching part press fit of middle planar portion and e type spring, transition part are set as the inclined-plane tilted down, make gauge block
Upper side form structure intermediate high, that two sides are low, and middle planar portion is prominent towards rail side.
3. the elastic bar fastener structure according to claim 2 for minor radius rails, it is characterised in that: the gauge
The middle planar portion and transition part of block are respectively equipped with tag slot.
4. the elastic bar fastener structure according to claim 3 for minor radius rails, it is characterised in that: the gauge
Block is made of insulating material.
5. the elastic bar fastener structure according to claim 1-4 for minor radius rails, it is characterised in that:
The pre-buried fixing seat includes the body of rod being embedded in sleeper and the pedestal outside sleeper, and front and back is correspondingly provided on the pedestal
The mounting hole of direction arrangement, the mounting portion and the mounting hole of e type spring are mating.
6. the elastic bar fastener structure according to claim 1-4 for minor radius rails, it is characterised in that:
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 include the ear of time interval arrangement, and ear is in same plane with railway rail pad and is fixedly connected
It is integrated, forms the locating slot fastened with pre-buried fixing seat, the upper pressure-bearing surface and steel of railway rail pad between ipsilateral Liang Ge ear
The rail bottom bottom surface of rail is closely connected, and the lower pressure-bearing surface of railway rail pad and sleeper support rail face are closely connected.
7. the elastic bar fastener structure according to claim 6 for minor radius rails, it is characterised in that: under the rail
The upper pressure-bearing surface of backing plate 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.
8. the elastic bar fastener structure according to claim 7 for minor radius rails, it is characterised in that: under the rail
The ear of backing plate is equipped with tag slot.
9. the elastic bar fastener structure according to claim 7 for minor radius rails, it is characterised in that: under the rail
The material of backing plate is thermoplastic polyester elastomer.
10. the elastic bar fastener structure according to claim 1 for minor radius rails, it is characterised in that: the e type
Theft-prevention structure is equipped between the support portion of spring and pre-buried fixing seat, theft-prevention structure includes being set on the downside of e type spring support portion
Retaining protrusion and the location dimples on the upside of pre-buried fixing seat, the retaining protrusion and location dimples are engaged by clamping；And along e
The length direction of type spring support portion, retaining protrusion is divided into installation advanced side and disassembly retreats side, and the installation of retaining protrusion is advanced
Side and e type spring seamlessly transit, and the disassembly of retaining protrusion retreats side and e type spring forms retaining facade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174623.0U CN208604417U (en) | 2018-07-24 | 2018-07-24 | A kind of elastic bar fastener structure for minor radius rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174623.0U CN208604417U (en) | 2018-07-24 | 2018-07-24 | A kind of elastic bar fastener structure for minor radius rails |
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| Publication Number | Publication Date |
|---|---|
| CN208604417U true CN208604417U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821174623.0U Active CN208604417U (en) | 2018-07-24 | 2018-07-24 | A kind of elastic bar fastener structure for minor radius rails |
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| CN (1) | CN208604417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677624A (en) * | 2018-07-24 | 2018-10-19 | 中原利达铁路轨道技术发展有限公司 | A kind of elastic bar fastener structure for minor radius rails |
-
2018
- 2018-07-24 CN CN201821174623.0U patent/CN208604417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677624A (en) * | 2018-07-24 | 2018-10-19 | 中原利达铁路轨道技术发展有限公司 | A kind of elastic bar fastener structure for minor radius rails |
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