CN205443809U - Quick bullet strip ballastless track iron tie plate fastening systems - Google Patents
Quick bullet strip ballastless track iron tie plate fastening systems Download PDFInfo
- Publication number
- CN205443809U CN205443809U CN201620181119.8U CN201620181119U CN205443809U CN 205443809 U CN205443809 U CN 205443809U CN 201620181119 U CN201620181119 U CN 201620181119U CN 205443809 U CN205443809 U CN 205443809U
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- elastic bar
- rail
- quick elastic
- quick
- cast iron
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Abstract
The utility model discloses a quick bullet strip ballastless track iron tie plate fastening systems relates to rail installation field, including a cast iron bottom plate, the cast iron bottom plate is located the rail bottom, be equipped with two bullet strip fixed part on the cast iron bottom plate, bullet strip fixed part is including the spacing portion that is used for restricting quick bullet strip vertical motion, a rail lower bolster, rail lower bolster are located between rail and the cast iron bottom plate, two quick bullet strips, quick bullet strip both ends are fixed on the cast iron bottom plate through spacing portion respectively, and withhold on the rail flange of rail at quick bullet strip middle part. The utility model discloses a bullet strip fixed part replaces the bolt to fix quick bullet strip and withhold on the rail flange of rail, and simple to operate and security are good, adopt insulator cap and the split type design of gauge link stopper to replace the design of gauge dog integral type, can only change one of them part when wearing and tearing, practice thrift cost of maintenance, the service life of the bullet strip is prolonged security with whole fastening systems.
Description
Technical field
This utility model relates to rail installing area, is specifically related to a kind of quick elastic bar non-fragment orbit iron chair fastener system.
Background technology
Rail fastening is a kind of essential element of modern railway transportation, plays fixing rail and provide the elastic and effect of insulating properties in track structure.At present, commonly used bolt type elastic bar fastener system mainly by base member, utilizes the spring parts of bolt presses, buffer rail away from and rise insulating effect gauge block component and provide track elasticity railway rail pad parts composition.
This bolt type elastic bar fastener system obtains required buckle press by regulation clamp nut.This mode of operation needing manual adjustment not only increases the workload of track maintenance and repair, reduces line construction efficiency, and adds the anthropic factor interference to line status, is unfavorable for the safe operation of circuit.Base member lacks the effective protection to spring, and spring increases spring by the feature that helicitic texture compresses and loosens probability, the most excessive at run duration spring stress, easily causes spring to rupture, affects train traffic safety.And in existing unitary design, Rail bottom side and share one piece of Insulation rail distance keeper above, no matter it is side abrasion or upper surface wear, is required for integral replacing, relatively costly.
Along with train running speed and the raising of load, the requirement to iron chair fastener system is more and more higher, needs to develop easy for installation, more easy care and more safe and reliable fastener system.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of quick elastic bar non-fragment orbit iron chair fastener system, easy for installation, more easy care and more safe and reliable.
For reaching object above, this utility model adopts the technical scheme that: a kind of quick elastic bar non-fragment orbit iron chair fastener system, including: a cast iron base plate, described cast iron base plate is positioned at rail foot；Described cast iron base plate is provided with two spring fixed components；Described spring fixed component includes the limiting section for limiting the vertical movement of described quick elastic bar；One railway rail pad, described railway rail pad is between rail and described cast iron base plate；Two quick elastic bars, described quick elastic bar two ends are fixed on described cast iron base plate by described limiting section respectively, withhold at the bottom of Rail in the middle part of described quick elastic bar.
On the basis of technique scheme, described quick elastic bar includes being located at the spring leg at described quick elastic bar two ends, being located at spring point most advanced and sophisticated in the middle part of described quick elastic bar and be located at the spring connecting portion between described spring leg and described spring point.
On the basis of technique scheme, described limiting section includes limiting upper limit portion that described quick elastic bar moves upward and is located at the lower limit portion below described upper limit portion, and described spring leg is between described upper limit portion and described lower limit portion.
On the basis of technique scheme, described upper limit lower surface is provided with a groove, and described spring leg end is provided with and the buckle of described groove match；Described buckle button is located in described groove.
On the basis of technique scheme, described spring fixed component also includes a protruding block, and described protruding block height is higher than described lower limit portion, and described spring connecting portion is installed on above described protruding block.
On the basis of technique scheme, described spring fixed component also includes a holding section, and described spring point is withheld at the bottom of Rail through described holding section.
On the basis of technique scheme, described quick elastic bar non-fragment orbit iron chair fastener system also includes that a pair insulator cap, described insulator cap are installed on described spring point.
On the basis of technique scheme, described cast iron base plate is provided with a gauge block location division, and described gauge block location division is located between described spring fixed component and rail；
On the basis of technique scheme, described quick elastic bar non-fragment orbit iron chair fastener system also includes a pair gauge block；Described gauge block is installed on described gauge block location division.
On the basis of technique scheme, described quick elastic bar non-fragment orbit iron chair fastener system also includes a coupling backing plate bottom described cast iron base plate and at described cast iron base plate and the described height adjusting cushion plate coupled between backing plate.
Compared with prior art, the utility model has the advantage of:
(1) this utility model uses spring fixed component and spring limiting component to replace bolt fixed by quick elastic bar and withhold at the bottom of Rail; quick elastic bar can be effectively protected only to deform in the scope of design allowed; avoid quick elastic bar excessive deformation, fracture and then accidents caused danger, easy for installation and safety good.
(2) use insulator cap and gauge link stopper split-type design to replace the design of gauge block integral, can only change one of them parts when abrasion, thus save maintenance cost；And quick elastic bar can not be affected by gauge block transverse movement, improve service life and the safety of spring.
Accompanying drawing explanation
Fig. 1 is the structural representation of quick elastic bar non-fragment orbit iron chair fastener system in this utility model embodiment；
Fig. 2 a is the front view of quick elastic bar in this utility model embodiment；
Fig. 2 b is the side view of quick elastic bar in this utility model embodiment；
Fig. 2 c is the top view of quick elastic bar in this utility model embodiment；
Fig. 3 is the structural representation of this utility model embodiment medium cast iron base plate；
Fig. 4 is the structural representation of spring fixed component in this utility model embodiment；
Fig. 5 is the structural representation of gauge block in this utility model embodiment；
Fig. 6 is the structural representation of insulator cap in this utility model embodiment；
Fig. 7 is the structural representation of serrated lock washer in this utility model embodiment；
Fig. 8 is the structural representation of railway rail pad in this utility model embodiment；
Fig. 9 is to couple backing plate or the structural representation of height adjusting cushion plate in this utility model embodiment.
In figure: 1-cast iron base plate, 11-spring fixed component, 111-limiting section, 1111-upper limit portion, 1112-lower limit portion, 1113-groove, 112-protruding block, 113-holding section, 12-gauge block location division, 13-opening, 14-sawtooth, 2-rail, 3-railway rail pad, 31-dolly outthrust, 32-boss, 4-quick elastic bar, 41-spring leg, 42-spring point, 43-spring connecting portion, 44-buckle, 5-gauge block, 6-insulator cap, 7-bolt, 8-serrated lock washer, 9-couples backing plate, 91-port, 10-height adjusting cushion plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Figure 1, this utility model embodiment provides a kind of quick elastic bar non-fragment orbit iron chair fastener system, and including a cast iron base plate 1, cast iron base plate 1 is positioned at bottom rail 2；Cast iron base plate 1 is provided with two spring fixed components 11；Spring fixed component 11 includes the limiting section 111 for limiting quick elastic bar vertical movement；One railway rail pad 3, railway rail pad 3 is between rail 2 and cast iron base plate 1；Two quick elastic bars 4, quick elastic bar 4 is in W type and W type opening is towards rail 2, and quick elastic bar 4 two ends are fixed on cast iron base plate 1 by limiting section 111 respectively, withhold in the middle part of quick elastic bar 4 on rail 2 flange of rail.
Seeing shown in Fig. 2 a, 2b, 2c, quick elastic bar 4 includes being located at the spring leg 41 at quick elastic bar 4 two ends, being located at spring point 42 most advanced and sophisticated in the middle part of quick elastic bar 4 and the spring connecting portion 43 being located between spring leg 41 and spring point 42.Quick elastic bar 4 uses Europe superscript trade mark spring steel to process.In order to reduce the impact that bridge is flexible and flexure is on gapless track gapless line longitudinal force, the fastener system near bridge and Viaduct Structure expansion joint, its longitudinal resistance should control within the specific limits.On the premise of ensureing without toppling, in order to reduce the interaction force between girder span structure and rail 2, use small-resistant fastener system can avoid using rail overlapping device in a large number.The quick elastic bar of the standard series in this utility model is replaced by slight drag series quick elastic bar, slight drag system can be realized.
Shown in Figure 4, limiting section 111 includes limiting upper limit portion 1111 that quick elastic bar 4 moves upward and is located at the lower limit portion 1112 below upper limit portion 1111, and spring leg 41 is between upper limit portion 1111 and lower limit portion 1112.Upper limit portion 1111 lower surface is provided with a groove 1113, and spring leg 41 end is provided with the buckle 44 matched with groove 1113；Buckle 44 button is located in groove 1113.Spring fixed component 11 also includes a protruding block 112, and protruding block 112 height is higher than lower limit portion 1112, and spring connecting portion 43 is installed on above protruding block 112.Protruding block 112 is to being certain slope away from rail 2 side.When quick elastic bar 4 is installed, the connecting portion 43 of quick elastic bar 4 is maintained on protruding block 112, the installation of fast and easy spring 4.
Shown in Figure 4, spring fixed component 11 also includes that a holding section 113, spring point 42 are withheld on rail 2 flange of rail through holding section 113.
Shown in Figure 4, spring fixed component 11 can ensure that quick elastic bar 4 is accurately installed and withhold on rail 2 flange of rail effectively, and quick elastic bar 4 is only deformed in the scope of design allowed, thus ensure compressive resistance and the installation accuracy of quick elastic bar 4, it is possible to avoid quick elastic bar 4 excessive deformation, fracture and then accidents caused danger.
Shown in Figure 3, cast iron base plate 1 is provided with a gauge block location division 12, and gauge block location division 12 is located between spring fixed component 11 and rail 2；Shown in Figure 1, quick elastic bar non-fragment orbit iron chair fastener system also includes a pair gauge block 5, shown in Figure 5；Gauge block 5 is arranged on gauge block location division 12.
Shown in Figure 1, quick elastic bar non-fragment orbit iron chair fastener system also includes a pair insulator cap 6, and insulator cap 6 is installed on spring point 42.Shown in Figure 6, the material of insulator cap 6 can be nylon, plays the effect of insulation, for convenience site operation, can quick elastic bar 4 and insulator cap 6 be fitted together in advance.
Shown in Figure 3, cast iron base plate 1 is provided with the opening 13 of at least two elliptical shape, opening 13 be provided around sawtooth 14, cast iron base plate 1 is fixed on sleeper through the opening 13 of elliptical shape by least two bolt 7.Being additionally provided with serrated lock washer 8 between opening 13 and bolt 7, shown in Figure 7, serrated lock washer 8 matches with the sawtooth 14 on opening 13.Bolt 7 can be hexagon socket head cap screw.Sawtooth 14 on cast iron base plate makes fastener system can adjust gauge according to the spacing of 1.5mm, have ± transverse rails of 18mm is away from regulating power.This gauge regulative mode makes this fastener system when adjusting gauge without changing any system unit, only unclamps bolt 7, greatly improves efficiency.
Railway rail pad 3 it is provided with between cast iron base plate 1 and rail 2.Shown in Figure 8, railway rail pad 3 is made for elastic insulating material, such as natural rubber, and its upper and lower surface is respectively equipped with the dolly outthrust 31 being arranged in rows.It is respectively equipped with outwardly directed boss 32 on two edges that railway rail pad 3 is relative.When railway rail pad 3 is mounted in orbit, this boss 32 is compacted, is possible to prevent railway rail pad 3 loosening below rail 2.Outthrust in railway rail pad 3 upper and lower surface also can be made up of rib-like or other shapes.
Shown in Figure 9, quick elastic bar non-fragment orbit iron chair fastener system also includes a coupling backing plate 9 being positioned at bottom cast iron base plate 1.It is provided with port 91 in the position corresponding with the opening 13 of elliptical shape on cast iron base plate 1 on coupling backing plate 9.Fastener system pressure experienced is uniformly transferred to sleeper by coupling backing plate 9, by the effect of frictional force, cast iron base plate 1 is combined closely with sleeper surface.The material of coupling backing plate 9 can be LLDPE.Quick elastic bar non-fragment orbit iron chair fastener system also includes a height adjusting cushion plate 10, height adjusting cushion plate 10 cast iron base plate 1 with couple between backing plate 9, its shape is with to couple backing plate 9 identical, shown in Figure 9.As required, fastener system of the present utility model can provide vertical adjustment capability by the way of inserting height adjusting cushion plate 10 1 time at cast iron base plate.
The insulation of fastener system of the present utility model uses double layer design, insulate including under insulation under rail and cast iron base plate；Wherein insulate under rail and realize with both gauge link stoppers 5 split-type design by insulator cap 6.Compared with the unitary design of prior art, by insulator cap 6 and gauge link stopper 5 split-type design, can only change one of them parts when abrasion, thus save maintenance cost.Meanwhile, quick elastic bar 4 can not be affected by the change of gauge block 5 thickness and rail 2 transverse movement, it is ensured that system buckle press is stable, improves service life and the security of system of quick elastic bar 4.
This utility model is not only limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but in its shape or structure, make any change; every have same or like with this utility model as technical scheme, all within its protection domain.
Claims (10)
1. a quick elastic bar non-fragment orbit iron chair fastener system, it is characterised in that including:
One cast iron base plate (1), described cast iron base plate (1) is positioned at rail (2) bottom；Described cast iron base plate (1) is provided with two spring fixed components (11)；Described spring fixed component (11) includes the limiting section (111) for limiting the vertical movement of described quick elastic bar；
One railway rail pad (3), described railway rail pad (3) is positioned between rail (2) and described cast iron base plate (1)；
Two quick elastic bars (4), described quick elastic bar (4) two ends are fixed on described cast iron base plate (1) by described limiting section (111) respectively, and described quick elastic bar (4) middle part is withheld on rail (2) flange of rail.
2. a kind of quick elastic bar non-fragment orbit iron chair fastener system as claimed in claim 1, it is characterised in that: described quick elastic bar (4) includes being located at the spring leg (41) at described quick elastic bar (4) two ends, being located at the most advanced and sophisticated spring point (42) in described quick elastic bar (4) middle part and be located at the spring connecting portion (43) between described spring leg (41) and described spring point (42).
3. a kind of quick elastic bar non-fragment orbit iron chair fastener system as claimed in claim 2, it is characterized in that: described limiting section (111) includes limiting the upper limit portion (1111) that described quick elastic bar (4) moves upward and the lower limit portion (1112) being located at described upper limit portion (1111) lower section, and described spring leg (41) is positioned between described upper limit portion (1111) and described lower limit portion (1112).
4. a kind of quick elastic bar non-fragment orbit iron chair fastener system as claimed in claim 3, it is characterized in that: described upper limit portion (1111) lower surface is provided with a groove (1113), described spring leg (41) end is provided with the buckle (44) matched with described groove (1113)；Described buckle (44) button is located in described groove (1113).
5. a kind of quick elastic bar non-fragment orbit iron chair fastener system as claimed in claim 3, it is characterized in that: described spring fixed component (11) also includes a protruding block (112), described protruding block (112) height is higher than described lower limit portion (1112), and described spring connecting portion (43) is installed on described protruding block (112) top.
6. a kind of quick elastic bar non-fragment orbit iron chair fastener system as claimed in claim 2, it is characterized in that: described spring fixed component (11) also includes a holding section (113), described spring point (42) is withheld on rail (2) flange of rail through described holding section (113).
A kind of quick elastic bar non-fragment orbit iron chair fastener system the most according to claim 2, it is characterized in that: described quick elastic bar non-fragment orbit iron chair fastener system also includes a pair insulator cap (6), and described insulator cap (6) is installed on described spring point (42).
A kind of quick elastic bar non-fragment orbit iron chair fastener system the most according to claim 1, it is characterized in that: described cast iron base plate (1) is provided with a gauge block location division (12), described gauge block location division (12) is located between described spring fixed component (11) and rail (2).
9. a kind of quick elastic bar non-fragment orbit iron chair fastener system as claimed in claim 8, it is characterised in that: described quick elastic bar non-fragment orbit iron chair fastener system also includes a pair gauge block (5)；Described gauge block (5) is installed on described gauge block location division (12).
A kind of quick elastic bar non-fragment orbit iron chair fastener system the most according to claim 1, it is characterised in that: described quick elastic bar non-fragment orbit iron chair fastener system also includes a coupling backing plate (9) being positioned at described cast iron base plate (1) bottom and is positioned at described cast iron base plate (1) and the described height adjusting cushion plate (10) coupled between backing plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181119.8U CN205443809U (en) | 2016-03-10 | 2016-03-10 | Quick bullet strip ballastless track iron tie plate fastening systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181119.8U CN205443809U (en) | 2016-03-10 | 2016-03-10 | Quick bullet strip ballastless track iron tie plate fastening systems |
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| Publication Number | Publication Date |
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| CN205443809U true CN205443809U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620181119.8U Active CN205443809U (en) | 2016-03-10 | 2016-03-10 | Quick bullet strip ballastless track iron tie plate fastening systems |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120483A (en) * | 2016-08-29 | 2016-11-16 | 铁道第三勘察设计院集团有限公司 | Track iron chair structure in railway traffic engineering |
| CN110158375A (en) * | 2019-06-28 | 2019-08-23 | 上海工程技术大学 | A kind of switching regulator spring Double-layer elastic Damping fastening system |
| CN110158374A (en) * | 2019-06-28 | 2019-08-23 | 上海工程技术大学 | A kind of symmetrical iron seat fastener system of separation |
| CN111395071A (en) * | 2020-02-19 | 2020-07-10 | 中铁第一勘察设计院集团有限公司 | Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block |
-
2016
- 2016-03-10 CN CN201620181119.8U patent/CN205443809U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120483A (en) * | 2016-08-29 | 2016-11-16 | 铁道第三勘察设计院集团有限公司 | Track iron chair structure in railway traffic engineering |
| CN110158375A (en) * | 2019-06-28 | 2019-08-23 | 上海工程技术大学 | A kind of switching regulator spring Double-layer elastic Damping fastening system |
| CN110158374A (en) * | 2019-06-28 | 2019-08-23 | 上海工程技术大学 | A kind of symmetrical iron seat fastener system of separation |
| CN110158374B (en) * | 2019-06-28 | 2023-08-18 | 上海工程技术大学 | Separation symmetrical iron seat fastener system |
| CN110158375B (en) * | 2019-06-28 | 2023-10-31 | 上海工程技术大学 | Switch type spring strip double-layer elastic vibration reduction fastener system |
| CN111395071A (en) * | 2020-02-19 | 2020-07-10 | 中铁第一勘察设计院集团有限公司 | Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190530 Address after: 430034 No. A122, Hanzheng Street Metropolitan Industrial Park, 21 Jiefang Avenue, Qiekou District, Wuhan City, Hubei Province Co-patentee after: Guangzhou Metro Design and Research Institute Co., Ltd. Patentee after: RAILTECH PANDROL RAILWAY TECHNOLOGY (WUHAN) CO., LTD. Address before: 430034 No. A122, Hanzheng Street Metropolitan Industrial Park, 21 Jiefang Avenue, Qiekou District, Wuhan City, Hubei Province Patentee before: RAILTECH PANDROL RAILWAY TECHNOLOGY (WUHAN) CO., LTD. |