CN108999037A - High speed railway track is fixed to use slight drag elastic bar fastener system - Google Patents
High speed railway track is fixed to use slight drag elastic bar fastener system Download PDFInfo
- Publication number
- CN108999037A CN108999037A CN201810735307.4A CN201810735307A CN108999037A CN 108999037 A CN108999037 A CN 108999037A CN 201810735307 A CN201810735307 A CN 201810735307A CN 108999037 A CN108999037 A CN 108999037A
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- China
- Prior art keywords
- toe
- elastic bar
- fastener system
- high speed
- bar fastener
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
- E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses the fixed slight drag elastic bar fastener systems of high speed railway track, including spring, track gauge block and preburied iron base, preburied iron base is made of cross-perforating seat and vertical pre-buried rod piece, that one side processing that perforated seat is connected with rail is fluted, wherein one side is connected in groove track gauge block, and its another opposite flank is fixedly connected with rail, spring includes middle limb portion, arc sections and toe-end portion, three forms a U-shaped structure, arch portion is also machined in toe end, arch portion end is machined with horizontal part, middle limb portion passes through the perforation setting on perforated seat, horizontal slot is also machined on track gauge block, toe-end portion is connected in horizontal slot；The present invention is changed the stress condition of spring in use, and such track stability and safety are guaranteed, while elastic bar fastener system service life improves 20%.
Description
Technical field
The present invention relates to a kind of fixed slight drag elastic bar fastener systems of high speed railway track.
Background technique
Current existing DUP elastic bar fastener system, (such as attached drawing 1) i.e. toe-end deformation 13mm buckle press is answered under standard group state
For 16.4kN ~ 21kN, DUP elastic bar fastener system after residual deformation is tested, residual deformation is not more than 0.6mm.DUP elastic bar fastener system
System after 3,000,000 fatigue tests residual deformation normally in 0.5 ~ 0.6mm, clamping force also correspondingly decays to 14.0 ~
19kN thus influences track stability and safety.
Summary of the invention
In view of the above problems, the present invention is intended to provide high speed railway track is fixed to use slight drag elastic bar fastener system
System, the elastic bar fastener system are improved to the structure of spring and with the fastener etc. of spring cooperation, spring after being improved with cooperation
Assembling, the elastic bar fastener system stability after assembling improved, and to the stress condition of spring in use into
Row changes, and such track stability and safety are guaranteed, while elastic bar fastener system service life improves 20%.
To achieve the goals above, the technical solution adopted in the present invention is as follows:
The fixed slight drag elastic bar fastener system of high speed railway track, including spring, track gauge block and preburied iron base, it is described pre-buried
Iron seat is made of cross-perforating seat and vertical pre-buried rod piece, in that one side processing that the perforated seat is connected with rail
Fluted, wherein one side connects in the groove the track gauge block, and its another opposite flank and the fixed company of the rail
It connects, the spring includes middle limb portion, arc sections and toe-end portion, and three forms a U-shaped structure, also processes in the toe end
There is arch portion, the arch portion end is machined with horizontal part, and it is L shape knot that the arch portion and the horizontal part, which form a cross section,
Structure and the block portion for being used to close the toe-end portion, the middle limb portion pass through the perforation setting on the perforated seat, the gauge
Horizontal slot is also machined on block, the toe-end portion is connected in the horizontal slot.
Preferably, the perforated seat of the preburied iron base has arcuate surface, the radian of the arcuate surface and the arch portion
Radian it is corresponding.
Preferably, the arch portion is mounted on the upper surface of described arcuate surface.
Preferably, being additionally provided with horizontal sides on the outside of the perforated seat, the horizontal sides are corresponding with the horizontal part.
Preferably, the toe-end portion includes toe-end and toe-end bottom.
Preferably, the toe-end bottom have connection cambered surface, the connection cambered surface be used for connect the toe-end portion with it is described
Arch portion.
Preferably, forming 60-90 ° of bending angle between the connection cambered surface and the arch portion.
Preferably, the block portion, which is integrally located at the middle limb portion, arc sections and toe-end portion three, is formed by U-shaped
On structure.
Preferably, forming 90-120 ° of bending angle between the arch portion and the horizontal part.
Preferably, the spring material is 60Si2Mn, and it is hot rolling Special spring steel that diameter, which is Φ 18,.
The beneficial effects of the present invention are: compared with prior art, of the invention thes improvement is that,
The present invention improves existing spring toe-end, and opening toe-end is improved to enclosed type toe-end, in this way change spring
Force-bearing situation also improve the stabilization between spring and track gauge block, preburied iron base to ensure that E1805 spring stability
Property；
E1805 elastic bar fastener system is mainly made of E1805 spring, track gauge block, rubber mat plate, preburied iron base.Spring is in standard
(such as Fig. 2) i.e. toe-end deformation 13mm buckle press answers 16.4kN ~ 21kN under group state, and E1805 elastic bar fastener system is through residual deformation
After test, residual deformation is not more than 0.6mm；Its fastener system is residual deformation normally exists thereafter after 3,000,000 fatigue tests
0.2 ~ 0.3mm, clamping force also correspondingly decay to 9.0 ~ 10.3kN, and the buckle press of entire fastener system changes in standard model
In enclosing, such track stability and safety are guaranteed, while elastic bar fastener system service life improves 20%.
Detailed description of the invention
Fig. 1 is prior art construction figure of the present invention.
Fig. 2 is the improved elastic bar fastener system construction drawing of the present invention.
Fig. 3 is prior art spring structure chart of the present invention.
Fig. 4 is spring structure chart after the present invention improves.
Wherein: limb portion in 1-, 2- arc sections, 3- toe-end portion, 31- toe-end, 32- toe-end bottom, 4- connection cambered surface, 5- arch
Portion, 6- horizontal part, 7- spring, 8- rail, 9- rubber mat plate, 10- track gauge block, 11- preburied iron base, 111- perforated seat, 112- are worn
Hole, the pre-buried rod piece of 113-, the horizontal slot of 12-.
Specific embodiment
In order to make those skilled in the art be better understood on technical solution of the present invention, with reference to the accompanying drawing and
Embodiment is further described technical solution of the present invention.
Referring to the attached fastener system shown in FIG. 1 for the prior art, and the DUP referring to the attached prior art shown in Fig. 3
Spring 7, the 7 toe-end bottom 32 of spring are opening design, and this design structure is in the residual deformation after 3,000,000 fatigue tests
Normally in 0.5 ~ 0.6mm, clamping force also correspondingly decays to 7.0 ~ 9.5kN, thus influences 7 fastener system of DUP spring
Assembling property, and existing elastic bar fastener system is not because having enclosed type mechanism, thus it is also not set corresponding sleeping on track gauge block
Formula slot structure directly makes toe-end portion contact track gauge block in this way, and extruding force enhances between contact surface, and stability is not high.
Referring to attached drawing 2,4, high speed railway track is fixed use slight drag elastic bar fastener system, including spring 7, track gauge block 10 with
And preburied iron base 11, the preburied iron base 11 are made of cross-perforating seat 111 and vertical pre-buried rod piece 113, wear described
That one side processing that hole seat 111 is connected with rail is fluted, and wherein one side is fixed by engaging etc. for the track gauge block 10
Mode connects in the groove, and its another opposite flank is fixedly connected with the rail 8, and the middle limb portion 1 passes through described
Perforation 112 on perforated seat is arranged, and horizontal slot 12 is also machined on the track gauge block 10, and the toe-end portion is connected to described sleeping
In formula slot 12.
In fact, high speed railway track is fixed to use slight drag spring 7,7 material of spring is 60Si2Mn, and diameter is
Φ 18 is hot rolling Special spring steel, and the spring 7 includes middle limb portion 1, arc sections 2 and toe-end portion 3, the middle limb portion 1, circular arc
The integrated hot-roll forming in portion 2 and toe-end portion 3, and three forms a U-shaped structure, is also machined with arch portion at the toe-end portion 3
5, arch portion 5 is the arc-shaped structure with convex curvature, which is to raise design, and 5 end of arch portion is machined with water
Flat portion 6, it is L-shaped structure and the envelope for being used to close the toe-end portion 3 that the arch portion 5, which forms a cross section with the horizontal part 6,
Lock section, the toe-end portion 3 include toe-end 31 and toe-end bottom 32, and the toe-end bottom 32 has connection cambered surface 4, the connection cambered surface
4 for connecting the toe-end portion 3 and the arch portion 5；
In the present invention, 60-90 ° of bending angle, the block portion are formed between the connection cambered surface 4 and the arch portion 5
It is integrally located at the middle limb portion 1, arc sections 2 and 3 three of toe-end portion to be formed by U-shaped structure, the arch portion 5 and institute
It states and forms 90-120 ° of bending angle between horizontal part 6.
When assembling, middle limb portion 1 passes through the perforated seat of 11 upper end of preburied iron base, and preburied iron base 11 is to set by perforated seat and vertically
The pre-buried rod piece composition set, perforated seat are equipped with perforation, and perforated seat side is equipped with recessed for connecting the track gauge block 10 of track gauge block 10
Slot, rail 8 are connected between two track gauge blocks 10, and 8 bottom of rail also sets up rubber mat plate 9, are increased the frictional property of rail 8, are mentioned
Stability of the high rail 8 under dynamic situation, and two track gauge blocks 10 are connected with preburied iron base 11, the upper end of track gauge block 10
It is machined with the horizontal slot for placing toe-end portion 3, the horizontal slot cooperates the toe-end portion 3, may be implemented by the horizontal slot
The adjustment of 3 gap of toe-end portion, because perforated seat upper end is an arcuate surface, when assembling, the arch portion 5 of spring 7 is set up in arcuate surface just
On, the arc structure of the two protrusion is identical, be provided with horizontal sides on the outside of perforated seat, the horizontal part 6 just with the water
Pingbian contact, in actual use, can by horizontal sides to horizontal part 6 borrow power, existing toe-end portion 3 be it is opening,
Stress surface is narrow, unevenly, and after the present invention uses block portion, so that toe-end portion 3 becomes enclosed type, and has connection cambered surface 4,
The design of connection cambered surface 4 is capable of increasing stress surface, so that being more uniformly stressed, to change the stress condition in toe-end portion 3, protects
The stability of spring 7 is demonstrate,proved.
Cardinal principle of the invention is: the toe-end of spring 7 being changed to the other side of spring 7 from side, by the toe of spring 7
Hold base pressure on track gauge block, spring 7 becomes enclosed type toe-end from opening toe-end, change the force-bearing situation of spring 7 in this way, from
And it ensure that 7 stability of E1805 spring.
Improved 7 spring of spring, 7 fastener system of the present invention after 3,000,000 fatigue tests residual deformation normally 0.2 ~
0.3mm, clamping force also correspondingly decay to 9.0 ~ 10.3kN, ensure that 7 fastener system assemblability of E1805 spring in this way
Energy.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. high speed railway track is fixed to use slight drag elastic bar fastener system, it is characterised in that: including spring, track gauge block and pre-buried
Iron seat, the preburied iron base are made of cross-perforating seat and vertical pre-buried rod piece, are connected in the perforated seat with rail
That one side processing it is fluted, the track gauge block wherein one side connection in the groove, and its another opposite flank with
The rail is fixedly connected, and the spring includes middle limb portion, arc sections and toe-end portion, and three forms a U-shaped structure, described
Toe end is also machined with arch portion, and the arch portion end is machined with horizontal part, and the arch portion is formed with the horizontal part
One cross section is L-shaped structure and the block portion for closing the toe-end portion, and the middle limb portion passes through wearing on the perforated seat
Hole is arranged, and is also machined with horizontal slot on the track gauge block, the toe-end portion is connected in the horizontal slot.
2. high speed railway track according to claim 1 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
The perforated seat of preburied iron base has arcuate surface, and the radian of the arcuate surface is corresponding with the radian of the arch portion.
3. high speed railway track according to claim 2 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
Arch portion is mounted on the upper surface of described arcuate surface.
4. high speed railway track according to claim 1 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
Horizontal sides are additionally provided on the outside of perforated seat, the horizontal sides are corresponding with the horizontal part.
5. high speed railway track according to claim 1 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
Toe-end portion includes toe-end and toe-end bottom.
6. high speed railway track according to claim 5 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
Toe-end bottom has connection cambered surface, and the connection cambered surface is for connecting the toe-end portion and the arch portion.
7. high speed railway track according to claim 6 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
60-90 ° of bending angle is formed between connection cambered surface and the arch portion.
8. high speed railway track according to claim 1 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
Block portion is integrally located at the middle limb portion, arc sections and toe-end portion three and is formed by U-shaped structure.
9. high speed railway track according to claim 1 is fixed to use slight drag elastic bar fastener system, it is characterised in that: described
90-120 ° of bending angle is formed between arch portion and the horizontal part.
10. -9 described in any item high speed railway tracks are fixed according to claim 1 uses slight drag elastic bar fastener system, feature
Be: the spring material is 60Si2Mn, and it is hot rolling Special spring steel that diameter, which is Φ 18,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735307.4A CN108999037A (en) | 2018-07-06 | 2018-07-06 | High speed railway track is fixed to use slight drag elastic bar fastener system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735307.4A CN108999037A (en) | 2018-07-06 | 2018-07-06 | High speed railway track is fixed to use slight drag elastic bar fastener system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108999037A true CN108999037A (en) | 2018-12-14 |
Family
ID=64599312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735307.4A Pending CN108999037A (en) | 2018-07-06 | 2018-07-06 | High speed railway track is fixed to use slight drag elastic bar fastener system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999037A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3297253A (en) * | 1963-07-16 | 1967-01-10 | Lockspike Ltd | Railway rail and fastening arrangement |
| US3313486A (en) * | 1963-11-14 | 1967-04-11 | Sonneville Roger Paul | Railway track support |
| CN200961223Y (en) * | 2006-11-06 | 2007-10-17 | 黄为 | Elastic strip fastener for steel rail lifting |
| CN206127749U (en) * | 2016-08-11 | 2017-04-26 | 河北翼辰实业集团股份有限公司 | Single toe slight drag bullet strip |
-
2018
- 2018-07-06 CN CN201810735307.4A patent/CN108999037A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3297253A (en) * | 1963-07-16 | 1967-01-10 | Lockspike Ltd | Railway rail and fastening arrangement |
| US3313486A (en) * | 1963-11-14 | 1967-04-11 | Sonneville Roger Paul | Railway track support |
| CN200961223Y (en) * | 2006-11-06 | 2007-10-17 | 黄为 | Elastic strip fastener for steel rail lifting |
| CN206127749U (en) * | 2016-08-11 | 2017-04-26 | 河北翼辰实业集团股份有限公司 | Single toe slight drag bullet strip |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181214 |
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| RJ01 | Rejection of invention patent application after publication |