CN208668173U - A kind of double-layer vibration damping fastener - Google Patents
A kind of double-layer vibration damping fastener Download PDFInfo
- Publication number
- CN208668173U CN208668173U CN201721779502.4U CN201721779502U CN208668173U CN 208668173 U CN208668173 U CN 208668173U CN 201721779502 U CN201721779502 U CN 201721779502U CN 208668173 U CN208668173 U CN 208668173U
- Authority
- CN
- China
- Prior art keywords
- lock
- boss
- double
- vibration damping
- upper plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model belongs to field of track traffic, it include: lower plate (1) more particularly to a kind of double-layer vibration damping fastener, the elastic insulated pad (2) of bottom plate, upper plate (3), insulation sleeve (4) latch (5), it interlocks cover board (6), anchor bolt (7), elastic insulated pad (8), track gauge block (9) and spring (10) under rail；The elastic insulated pad (2) of the bottom plate is set between lower plate (1) and upper plate (3), and pass through insulation sleeve (4), it latches (5), interlocking cover board (6) and anchor bolt (7) be fastened on sleeper or it is concrete road bed on, elastic insulated pad (8) setting is below rail (16) under the rail, the track gauge block (9) is located on upper plate (3), and upper plate (3), track gauge block (9) and rail (16) are fastened and connected by spring (10).The double-layer vibration damping buckle structure is compact, is convenient for field stripping and installation, ensure that travel safety.
Description
Technical field
The utility model belongs to field of track traffic, and in particular to a kind of double-layer vibration damping fastener.
Background technique
Urban track traffic is developed rapidly in recent years, brings very big convenience, and incident vibration and noise also produce
Give birth to a series of harm and puzzlement.Connector of the fastener system as connection rail (16) and sleeper exists as vehicle is mitigated
The important component of vibration and noise problem, its structure are more and more scientific, reasonable.
Double-layer vibration damping fastener is received very big with its excellent damping property and the higher vibration damping component part of cost performance
Favor, the double-layer vibration damping fastener of especially upper self-locking structure.However the double-layer vibration damping fastener of upper self-locking structure can facilitate at the scene
The purpose of disassembly, installation, does not reach effectively but, the height at bolt fastening position cannot effectively reduce.
Summary of the invention
In order to solve the above technical problems, overcoming existing technical disadvantages, the purpose of this utility model is to propose a kind of bilayer
Damping fastening.
Technical solution used by the utility model is as follows:
A kind of double-layer vibration damping fastener, comprising: lower plate, the elastic insulated pad of bottom plate, upper plate, insulation sleeve, lock, interlocking lid
Plate, anchor bolt, elastic insulated pad, track gauge block and spring under rail；The bottom plate it is elastic insulated pad be set to lower plate with it is upper
Between bottom plate, and by insulation sleeve, lock, interlock cover board and anchor bolt be fastened on sleeper or it is concrete road bed on, it is described
Elastic insulated pad is arranged below rail under rail, and the track gauge block is located on upper plate, and passes through spring for upper plate, gauge
Block and rail are fastened and connected.
Further, the upper surface tool of lower plate has there are two boss, on the upper plate and two boss match
The stepped hole of conjunction, two boss pass through the elastic insulated pad of bottom plate and are cooperatively connected with stepped hole；The stepped hole outer has convex
The platform risen places lock along being pressed in the protrusion of the stepped hole outer on the insulation sleeve on insulation sleeve；Lower plate with
Upper plate passes through lock mutually fastening.
Further, in the boss on the lower plate with round hole or for buffer rail away from slotted eye or
U-typed hole matches with the anchor bolt.
The lock covers on boss, and lock makes lock form the company in conjunction with convex-concave with boss after boss rotation
It connects, forms the limit in axial tension direction and the radial of vertical axial of lower plate and upper plate relative to boss and limit, but on
Bottom plate and lower plate are with respect to the structure that compression direction does not limit but.
Further, the lock lower part has one or more lock tongues, and the top of the boss has matches with lock tongue
The groove of conjunction, lock tongue are embedded in locking in groove.
Further, at least one side of the lock tongue is in ramped shaped.
The boss top surface is equipped with tooth, and the interlocking cover board lower part is equipped with intermeshing with the tooth of boss top surface
Tooth.
The interlocking cover board lower part is equipped with protrusion, and the indentation, there of insertion lock axial limiting constitutes radial limit to lock
The mutual interlocking gear of position, lock top have multiple recesses, with interlocking cover board protrusion locking.
The anchor bolt by interlock cover board centre bore by fastener be fastened on sleeper or it is concrete road bed on.
Resilient sleeper-bearing and the elastic insulated pad of bottom plate, which should include at least, in selection, under rail selects rubber and two kinds of thermoplastic polyester
Material.
The utility model proposes a kind of double-layer vibration damping fastener, rain is prevented using the boss of upper plate top bar bore edges
Water, dust have an impact self-locking structure, it is compact-sized, convenient for field stripping, installation, ensure that travel safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the assembly stereoscopic schematic diagram of the utility model；
Fig. 3 is a kind of general assembly top view of spring interface form of the utility model；
Fig. 4 is upper plate structural schematic diagram in the utility model；
Fig. 5 is buckle structure schematic diagram in the utility model；
Fig. 6 is the structural schematic diagram of lower plate in the utility model；
Fig. 7 is the half-sectional view of lower plate in the utility model；
Fig. 8 is the structural schematic diagram of felt pad in the utility model.
In figure: 1. lower plates, the elastic insulated pad of 2. bottom plates, 3. upper plates, 4. insulation sleeves, 5. locks, 6. interlocking cover boards, 7.
Anchor bolt, elastic insulated pad under 8. rails, 9. track gauge blocks, 10. springs, 11. bolt sleeves, 12. steps, 13. lock tongues, 14. is convex
Platform, 15. grooves, 16. rail.
Specific embodiment
The utility model is illustrated with reference to the drawings and specific embodiments:
Embodiment 1
As shown in Fig. 1-8, a kind of composed structure of double-layer vibration damping fastener includes: lower plate 1, the elastic insulated pad 2 of bottom plate, on
Bottom plate 3, insulation sleeve 4, lock 5 interlock cover board 6, anchor bolt 7, elastic insulated pad 8, track gauge block 9 and spring 10 under rail；It is described
The elastic insulated pad 2 of bottom plate be set between lower plate 1 and upper plate 3, and by insulation sleeve 4, lock 5 interlocks cover board 6 and anchor
Fixing bolt 7 be fastened on sleeper or it is concrete road bed on, elastic insulated pad 8 is arranged below rail 16 under the rail, described
Track gauge block 9 is located on upper plate 3, and upper plate 3, track gauge block 9 and rail 16 are fastened and connected by spring 10.Lower plate 1
Upper surface tool has the stepped hole 12 matched with two boss 14, two boss there are two boss 14 on the upper plate 3
14 pass through the elastic insulated pad 2 of bottom plate is cooperatively connected with stepped hole 12；In selection, resilient sleeper-bearing and bottom plate elasticity under the rail
Felt pad should include at least and select two kinds of materials of rubber and thermoplastic polyester.The raised platform in 12 outer of stepped hole,
Along being pressed in the protrusion of 12 outer of stepped hole on the insulation sleeve 4, lock 5 is placed on insulation sleeve 4；Lower plate 1 with it is upper
Bottom plate 3 passes through the mutually fastening of lock 5.In boss 14 on lower plate 1 with round hole or for buffer rail away from slotted eye
Or U-typed hole, match with the anchor bolt 7.It interlocks 6 lower part of cover board and is equipped with protrusion, the notch of insertion 5 axial limitings of lock
Place constitutes the mutual interlocking gear radially limited to lock 5, and 5 tops of lock have multiple recesses, locks with 6 protrusion of interlocking cover board.Institute
The anchor bolt 7 stated by interlock cover board 6 centre bore by fastener be fastened on sleeper or it is concrete road bed on.
As shown in Fig. 1, Fig. 5, Fig. 6 and Fig. 7,5 sets are latched on boss 14, and lock 5 makes to latch after the rotation of boss 14
5 form the connection that convex-concave combines with boss 14, forms the direction that is axially stretched of lower plate 1 and upper plate 3 relative to boss 14
The radial limit of limit and vertical axial, but upper plate and lower plate are with respect to the structure that compression direction does not limit.Latch 5 lower parts
With one or more lock tongues 13, the top of the boss 14 has the groove 15 cooperated with lock tongue 13, and lock tongue 13 is embedded in groove
Locking in 15.At least one lateral layout of lock tongue 13 is in ramped shaped.14 top surface of boss is equipped with tooth, under the interlocking cover board 6
Portion is equipped with the intermeshing tooth of tooth with 14 top surface of boss.
In conjunction with shown in Fig. 1-8, the pre-assembled process of fastener are as follows: fastener lower plate 1 is lain against into station, bottom plate elasticity first
Felt pad 2 is placed on lower plate 1 according to corresponding location hole, and the corresponding lower plate 1 of upper plate 3 is placed, insulation sleeve 4 is put
In the stepped hole of upper plate, the stepped hole that boss 14 passes through on upper plate 3 is stacked on the elastic insulated pad 2 of bottom plate, at this time
Apply certain pressure to upper plate using hydraulic press, promotes the elastic insulated deformation downwards of pad 2 of bottom plate, 5 sets of lock are being gone to the bottom
On the boss 14 of plate 1,5 lower ends of lock pass through the gap of upper and lower bottom plate junction, and nesting enters, and block lock using specific purpose tool
The technology groove of 5 upper surfaces, then rotating latch 5, so that the lock tongue 15 of 5 lower parts of lock is embedded in the groove 15 of 14 bottom of boss,
Eaves is withheld in 3 upper surface of upper plate on lock, forms interlocking, and after release, i.e. completion fastener is pre-assembled.
In conjunction with shown in Fig. 1-8, when using the double-layer vibration damping fastener system, it is exhausted that elasticity under rail is successively arranged below rail 16
Edge pad 8, fastener assembly, insulation coupling backing plate.Interlocking cover board 6 is placed in iron plate 3 on fastener and latches 5 tops, so that interlocking
In the positioning groove on 5 tops of positioning convex platform insertion lock of cover board 6, anchor bolt 7 sequentially passes through spring washer, flat shim will buckle
Part is fixed on sleeper or railway roadbed.Fastener upper plate 3 is equipped with spring mounting base, and 10 one end of spring is connected to spring mounting base
On, another section is withheld rail 16 by track gauge block 3.It, can if entire fastener system needs to carry out height to adjust in construction
Height adjusting cushion plate is set between lower plate 1 and insulation coupling pad.
Different springs 10 can be set in the fastener, such as Fig. 1, Fig. 2, Fig. 3 illustrate the fastener using III type spring
The corresponding mounting base of different springs, i.e., mountable different spring 10 need to be only respectively set in form on bottom plate.
Claims (8)
1. a kind of double-layer vibration damping fastener, it is characterised in that: it include: lower plate (1), the elastic insulated pad (2) of bottom plate, upper plate (3),
Insulation sleeve (4) latches (5), interlocks cover board (6), anchor bolt (7), elastic insulated pad (8), track gauge block (9) and spring under rail
(10)；The elastic insulated pad (2) of the bottom plate is set between lower plate (1) and upper plate (3), and passes through insulation sleeve (4), lock
Detain (5), interlock cover board (6) and anchor bolt (7) be fastened on sleeper or it is concrete road bed on, elastic insulated pad under the rail
(8) below rail (16), the track gauge block (9) is located on upper plate (3) for setting, and passes through spring (10) for upper plate
(3), track gauge block (9) and rail (16) are fastened and connected；
The upper surface tool of the lower plate (1) has there are two boss (14), on the upper plate (3) and two boss
(14) stepped hole (12) matched, two boss (14) pass through the elastic insulated pad (2) of bottom plate and stepped hole (12) are cooperatively connected；
The raised platform in stepped hole (12) outer, along being pressed in the stepped hole (12) outer on the insulation sleeve (4)
Protrusion on, on insulation sleeve (4) place lock (5)；Lower plate (1) and upper plate (3) are mutually fastened by lock (5)；
The lock (5) covers on boss (14), and lock (5) makes to latch (5) and boss (14) after boss (14) rotation
The connection that convex-concave combines is formed, the limit of lower plate (1) and upper plate (3) relative to the axial tension direction of boss (14) is formed
It is limited with the radial direction of vertical axial.
2. a kind of double-layer vibration damping fastener according to claim 1, it is characterised in that: the boss on the lower plate (1)
(14) in round hole or for buffer rail away from slotted eye or U-typed hole, match with the anchor bolt (7).
3. a kind of double-layer vibration damping fastener according to claim 1, it is characterised in that: lock (5) lower part has one
A or multiple lock tongues (13), the top of the boss (14) have the groove (15) cooperated with lock tongue (13), lock tongue (13) insertion
Locking in groove (15).
4. a kind of double-layer vibration damping fastener according to claim 3, it is characterised in that: at least one of the lock tongue (13)
Side is in ramped shaped.
5. a kind of double-layer vibration damping fastener according to claim 1, it is characterised in that: described boss (14) top surface is equipped with
Tooth, interlocking cover board (6) lower part are equipped with the intermeshing tooth of tooth with boss (14) top surface.
6. a kind of double-layer vibration damping fastener according to claim 1, it is characterised in that: described interlocking cover board (6) lower part is set
There is protrusion, the indentation, there of insertion lock (5) axial limiting constitutes the mutual interlocking gear radially limited to lock (5).
7. a kind of double-layer vibration damping fastener according to claim 6, it is characterised in that: lock (5) top has more
A recess is locked with interlocking cover board (6) protrusion.
8. a kind of double-layer vibration damping fastener according to claim 1, it is characterised in that: the anchor bolt (7) passes through mutual
The centre bore of lock cap (6) by fastener be fastened on sleeper or it is concrete road bed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779502.4U CN208668173U (en) | 2017-12-19 | 2017-12-19 | A kind of double-layer vibration damping fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779502.4U CN208668173U (en) | 2017-12-19 | 2017-12-19 | A kind of double-layer vibration damping fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208668173U true CN208668173U (en) | 2019-03-29 |
Family
ID=65819378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721779502.4U Active CN208668173U (en) | 2017-12-19 | 2017-12-19 | A kind of double-layer vibration damping fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208668173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114164717A (en) * | 2021-12-16 | 2022-03-11 | 北京九州一轨环境科技股份有限公司 | Disk spring vibration damping fastener for rail transit steel rail |
-
2017
- 2017-12-19 CN CN201721779502.4U patent/CN208668173U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN114164717A (en) * | 2021-12-16 | 2022-03-11 | 北京九州一轨环境科技股份有限公司 | Disk spring vibration damping fastener for rail transit steel rail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203065902U (en) | Separating double-layer vibration reduction fastener system easy to dismantle | |
| CN208668173U (en) | A kind of double-layer vibration damping fastener | |
| CN112431074B (en) | Double-layer track vibration reduction fastener with shoulder | |
| CN205134109U (en) | Go up hasp type shock attenuation fastening systems | |
| CN102979013B (en) | Easily detachable and separable double-layer shock-absorbing fastener system | |
| CN110863394A (en) | Track damping fastener | |
| US10294615B2 (en) | Rubber pad for rails | |
| CN108978364A (en) | A kind of shoulder block formula Damping fastening | |
| CN202482712U (en) | Rail damping base plate and side plate | |
| CN103966929A (en) | Bolt-free fastener system for tramcar | |
| CN112779824A (en) | Fastener without shoulder | |
| CN206127750U (en) | Groove steel rail is with insulating gauge adjusting block | |
| CN103572670A (en) | Fastener for urban rail transit | |
| US20140231534A1 (en) | End restraint for turnout | |
| CN211006167U (en) | Steel rail fastener | |
| CN207244361U (en) | A kind of double-deck non-linear fastener system of low-mounting height | |
| CN203807896U (en) | Boltless fastener system for tramcar | |
| CN207227873U (en) | The insulating pad with bulge-structure for track traffic fastener | |
| CN207143617U (en) | Fastener for rail transit with antidumping insulating pad | |
| CN216809393U (en) | Large-adjustment-amount fastener for ballastless track railway turnout | |
| CN104480808A (en) | Tramcar fastener with improved insulating track gauge blocks | |
| CN107217555A (en) | Fastener for rail transit with antidumping insulating pad | |
| CN104358191A (en) | Embedded type fastener for tramcar | |
| CN109295817A (en) | A kind of non-linear fastener system of bilayer of low-mounting height | |
| CN215800708U (en) | Self-locking type turnout vibration reduction fastener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |