CN208038939U - A kind of enhanced type rail Damping fastening - Google Patents
A kind of enhanced type rail Damping fastening Download PDFInfo
- Publication number
- CN208038939U CN208038939U CN201820457452.6U CN201820457452U CN208038939U CN 208038939 U CN208038939 U CN 208038939U CN 201820457452 U CN201820457452 U CN 201820457452U CN 208038939 U CN208038939 U CN 208038939U
- Authority
- CN
- China
- Prior art keywords
- iron chair
- rail
- floating
- wedge
- elastomeric sleeve
- 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
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
A kind of enhanced type rail Damping fastening, lower iron chair and plate lower bolster are anchored on sleeper by the lower thread of stud, the top of lower iron chair is provided with floating iron chair, vibration isolation rubber backing plate is installed between floating iron chair and lower iron chair, and floating iron chair and lower iron chair are vertical along rail and be parallel at the both sides of rail and be respectively provided with two elastic guide components；Floating iron chair bottom extends there are two wedge-shaped shoulder block, and wedge-shaped shoulder block intercalation enters in the elastomeric sleeve in the respective rectangular slot of lower iron chair, and cooperates, and is limited and is slided up and down in the direction in length and breadth of rail；Four through-holes on floating iron chair are sleeved on to the upper end of stud by insulating bushing, compressed spring and stop nut；Limit buckle is pressed on floating iron chair rail by rubber tie plate under rail, insulation rail cushion block, T-bolt, nut and spring.Higher vibration isolation capability is realized on the whole, greatly improves use reliability.
Description
Technical field
The utility model is related to technical field of rail traffic, especially a kind of enhanced type rail Damping fastening.
Background technology
While being brought convenience to people's trip, wheel track coupled vibrations is also brought to neighboring buildings for urban track traffic
Vibration and problem of noise pollution.It is to slow down one of surrounding enviroment and the effective measures of noise to be reduced in orbit using vibration damping.And
Various Damping fastening damping properties and lateral stiffness in the prior art are all undesirable.
Utility model content
The applicant is directed to some disadvantages of above-mentioned existing Damping fastening, provides a kind of enhanced type rail Damping fastening, leads to
It crosses the vibration damping rigidity for reducing rail clip and improves the lateral stiffness and deflection stiffness of fastener, to make the fastener that can have
Higher damping property, and can effectively reduce the abrasion of rail, the phenomenon that improving rail corrugation, and that improves rail use the longevity
Life, reduces the polishing number of rail, meanwhile, which requires for different on track circuit, and the vibration damping rigidity of fastener can basis
Demand is finely adjusted.
Technical solution used by the utility model is as follows：
A kind of enhanced type rail Damping fastening anchors lower iron chair and plate lower bolster by the lower thread of stud
On sleeper, the plate lower bolster is provided with floating iron chair, vibration isolation in the lower part of lower iron chair, positioned at the top of lower iron chair
Rubber mat plate is installed between floating iron chair and lower iron chair, the floating iron chair and lower iron chair it is vertical along rail and
It is parallel at the both sides of rail and is respectively provided with two elastic guide components；There are two wedge shapes for the floating iron chair bottom extension
Shoulder block, wedge-shaped shoulder block intercalation enters in the elastomeric sleeve in the respective rectangular slot of lower iron chair, and cooperates, in the vertical of rail
Transverse direction is limited and is slided up and down；By insulating bushing, compressed spring and stop nut by four on floating iron chair
Through-hole is sleeved on the upper end of stud；Rail is by rubber tie plate under rail, insulation rail cushion block, T-bolt, nut and spring
Limit buckle is pressed on floating iron chair.
Its further technical solution is：
It is respectively provided with elastomeric sleeve in the rectangular shaped slot of lower iron chair both sides, in the outside that elastomeric sleeve is squeezed by cross force
Provided with the resilient support block that material is polyurethane elastomer, the material of elastomeric sleeve uses high-strength wear-resisting self-lubricating macromolecule material
Material.
The floating iron chair two bottom sides and with set on the corresponding position of the elastomeric sleeve of lower iron chair there are two wedge shape
The sliding contact surface of shoulder block, wedge-shaped shoulder block and elastomeric sleeve is the machined surface of best bright finish.
In the assembling of floating iron chair and lower iron chair, two elastic guide components are provided with, make wedge-shaped shoulder block and elasticity
Elastic guide is formd between sliding sleeve.
Elastic guide component is the combination of wedge-shaped shoulder block and elastomeric sleeve.
Through-hole is had at four angles of floating iron chair, the through-hole is sleeved on the upper end of stud, is used in combination absolutely
Edge bushing, compressed spring and stop nut carry out precompressed to floating iron chair, by adjusting the decrement of compressed spring, control and
Adjust the vibration frequency of the sound rigidity and rail of fastener.
The section of elastomeric sleeve is at convex shape structure.
The structure of the vibration isolation rubber backing plate is：Including rubber mat plate ontology, has at its both ends and kept off across wedge shape
The square hole of shoulder.
What plate lower bolster both ends were slotted is internally provided with step, and the step coordinates with elastomeric sleeve.
The beneficial effects of the utility model are as follows：
The utility model is compact-sized, reasonable, easy to operate, by the special mounting to floating iron chair, and under it
Vibration isolation rubber backing plate is installed in portion, and vibration isolation rubber backing plate can generate upper and lower displacement amount, can absorb vibration, floating iron pad at middle part
Plate can float in vertical direction, play the role of vibration damping；Meanwhile the design of floating iron chair bottom wedge shape shoulder block,
Shear strength can be improved to avoid stress concentration, to realize higher vibration isolation capability on the whole, greatly improved using reliable
Property.
The main bright spot of the utility model is：
(1) there is higher damping property；In vertical direction upper may be implemented in the mounting structure of floating iron chair
Lower slider, in addition the design of the special shape and special material of vibration isolation rubber backing plate, has been turned up damping property significantly.
(2) lateral stiffness is substantially increased, by that can only bear vertical load 5-40KN originally, transverse load 2.5-20KN is carried
Height arrives vertical load 10-60KN, transverse load 5-30KN；The utility model uses the design of elastomeric sleeve, and friction coefficient is small, keeps away
Exempt from stress concentration, meanwhile, the design of floating iron chair bottom wedge shape shoulder block carries out upper downslide by the sliding sleeve on lower iron chair
It is dynamic, always by its limited limit, improve deflection stiffness.
(3) by the effect of four four layers of springs, decrement can be adjusted, the vibration damping rigidity of contacting piece is finely adjusted；By
There are linear type, shaped form in rail, there is also large radius and minor radius for the rail of shaped form, and each centrifugal force and centripetal force are different,
Curve is gradient, lows while height, big in low side's stress, needs the Damping fastening that rigidity is big, improves security performance,
High side's stress is small, needs the Damping fastening that rigidity is small；Conventional fastener can not adjust rigidity, also partial trace and straight line,
Poor practicability especially applies the poor reliability on the rail of curve driving.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the explosive view of the utility model.
Fig. 3 is the front view (full sectional view) of the utility model
Fig. 4 is the structural schematic diagram of the floating iron chair of the utility model.
Fig. 5 is the front view of the floating iron chair of the utility model.
Fig. 6 is the structural schematic diagram of the utility model rubber mat plate.
Wherein：1, rail；2, rubber tie plate under rail；3, spring；4, nut；5, insulation rail cushion block；6, floating iron chair；7,
Vibration isolation rubber backing plate；8, lower iron chair；9, elastomeric sleeve；10, plate lower bolster；11, stop nut；12, compressed spring；13, double
Hook bolt；14, insulating bushing；15, short sleeper；601, through-hole；602, backing plate ontology；603, mounting base；604, wedge-shaped shoulder block；
701, square hole；702, rubber mat plate ontology.
Specific implementation mode
Below in conjunction with the accompanying drawings, illustrate specific embodiment of the present utility model.
As shown in Figure 1, Figure 2 and Figure 3, the enhanced type rail Damping fastening of the present embodiment, including short sleeper 15, pass through double end
The lower thread of bolt 13 is anchored at lower iron chair 8 and plate lower bolster 10 on short sleeper 15, and plate lower bolster 10 is located at lower iron pad
Grooved bore is distinguished at the both ends of the lower part of plate 8, plate lower bolster 10 and lower iron chair 8, and installs elastomeric sleeve 9 respectively in slot；
Floating iron chair 6 is installed in the upper surface of lower iron chair 8 by vibration isolation rubber backing plate 7, and the bottom of floating iron chair 6 is provided with wedge shape
Shoulder block 604, wedge-shaped shoulder block 604 are embedded in elastomeric sleeve 9, and wedge-shaped shoulder block 604 is slided up and down along elastomeric sleeve 9；Meanwhile it is floating
The top screw thread that iron chair 6 passes through stud 13 is set, and in 13 top four layers of spring 12 of installation of stud and stop nut
11；The upper surface middle part of floating iron chair 6 installs rail 1 by rubber tie plate under rail 2, and passes through insulation rail cushion block at its both ends
5,1 limit buckle of rail is pressed on fastener by T-bolt, nut 4 and spring 3.
As shown in Figure 4 and Figure 5, the structure of floating iron chair 6 is：Including backing plate ontology 602, the upper table of backing plate ontology 602
Face both ends have each extended over mounting base 603, and insulation rail cushion block 5, T-bolt nut 4 and spring 3 are installed at mounting base 603；Backing plate
Through-hole 601 is respectively arranged at four angles of ontology 602, through-hole 601 passes through stud 13；The lower surface of backing plate ontology 602
Both ends have each extended over wedge-shaped shoulder block 604.
The lateral surface of wedge-shaped shoulder block 604 is abutted with the internal face of elastomeric sleeve 9, medial surface and the elasticity of wedge-shaped shoulder block 604
The internal face spacing distance of sliding sleeve 9.
The lateral surface of wedge-shaped shoulder block 604 is contact surface, while being machined surface, and medial surface is non-contact face.
At arc structure, the angle that the arc surface of left end is formed is a, the circle of right end at the root both ends of wedge-shaped shoulder block 604
The angle that cambered surface is formed is b, and the angle that the arc surface of left end is formed is less than the angle that the arc surface of right end is formed.
The section of elastomeric sleeve 9 is at convex shape structure.
As shown in fig. 6, the structure of vibration isolation rubber backing plate 7 is：Including rubber mat plate ontology 702, had at its both ends
Across the square hole 701 of wedge-shaped shoulder block 604.
What 10 both ends of plate lower bolster were slotted is internally provided with step, coordinates with elastomeric sleeve 9.
It slots as direct through groove at lower 8 both ends of iron chair.
Floating iron chair 6 passes through 14 mounting stud 13 of insulating bushing.
The concrete structure of the utility model is：By the lower thread of stud 13 lower iron chair 8 and plate lower bolster
10 are anchored on sleeper；Vibration isolation rubber backing plate 7 is mounted between floating iron chair 6 and lower iron chair 8,6 He of floating iron chair
Lower iron chair 8 is vertical along rail 1 and be parallel at the both sides of rail 1 and be respectively provided with two elastic guide components；Floating
In elastomeric sleeve 9 in the embedding respective rectangular slot for being inserted in lower iron chair 8 of the wedge-shaped shoulder block 604 of two of 6 bottom of iron chair, and
It cooperates, carrying out limit in the direction in length and breadth of rail 1 slides up and down；The wedge-shaped shoulder block on floating iron chair 6 exists in order to prevent
It is possible to be detached from elastomeric sleeve 9 when by uplift force, so by with insulating bushing 14, compressed spring 12 and stop nut 11
Four through-holes 601 on floating iron chair 6 are sleeved on to the upper end of stud 13；Rail 1 by rubber tie plate under rail 2,
Insulation rail cushion block 5, T-bolt, nut 4, spring 3 and limit buckle is pressed on floating iron chair 6.
The rectangular shaped slots of the both sides of lower iron chair 8 is built-in, and there are two elastomeric sleeves 9, outer in being squeezed by cross force for sliding sleeve
Side is provided with the resilient support block (being not drawn into figure) that material is polyurethane elastomer, and the material of elastomeric sleeve 9 is using high-strength resistance to
Grind self-lubricating high molecular material.
On the corresponding position of the elastomeric sleeve 9 of the both sides of floating iron chair 6 and lower iron chair 8, if there are two wedge-shaped shoulder blocks
604, to reduce frictional force, the abrasion for reducing material, ensureing assembly precision, the sliding contact surface of wedge-shaped shoulder block and sliding sleeve is bloom
The machined surface of cleanliness.
In floating iron chair 6 and the assembling of lower iron chair 8, two elastic guide components are provided with, wedge-shaped shoulder block 604 and bullet are made
Property sliding sleeve 9 between form elastic guide, make the existing enough 1 longitudinal resistance rail 1 of anti-lateral load ability and rail of fastener
Extending direction, but between the guidance set that can decay and the vibration and noise transmitted between wheel and rail 1.
Elastic guide component is the combination of wedge-shaped shoulder block 604 and elastomeric sleeve 9.
Between floating iron chair 6 and lower iron chair 8, it is provided with the high resiliency vibration isolation rubber backing plate 7 of special designing, makes fastener
It realizes high-grade vibration vibration isolation amount, effectively solves generated vibration and noise in rail transportation operation.
Four through-holes 601 on floating iron chair 6 are sleeved on the upper end of stud 13, insulating bushing 14, pressure is used in combination
Contracting spring 12 and stop nut 11 carry out precompressed to floating iron chair 6, by adjusting the decrement of compressed spring, so that it may control and
Adjust the vibration frequency of the sound rigidity and rail 1 of fastener.
The utility model can be adjusted the vibration damping rigidity of Damping fastening, be carried out according to the demand of different application occasion
Fine tuning, it is only necessary to adjust the decrement of compressed spring 12.
The utility model is due to the special designing to floating iron chair 6, by the wedge-shaped shoulder block 604 and bullet of floating iron chair 6
Property sliding sleeve 9 can generate while clasp and slide up and down, to will to the vibration isolation rubber backing plate 7 of floating iron chair 6 and lower part, under
The locking of iron chair 8 and plate lower bolster 10 is greatly improved without other retaining mechanisms using such connection type
The damping property of Damping fastening, while having higher lateral stiffness, and effectively improve deflection stiffness, Damping fastening can be with
Flexibly apply in various occasions.
In actual use, it as shown in Figure 1, being installed, during the work time, is played preferably by single unit system
Vibration isolating effect greatly reduce noise when train passes through, reduce the vibration pollution of environment.
604 root of wedge-shaped shoulder block of floating iron chair 6 described in the utility model uses arc-shaped structure, passes through circular arc mistake
It crosses, its stress concentration can be made in this way, according to right-angle structure, stress can be larger, is easy to happen fracture.
The angle of wedge shape shoulder block 604 described in the utility model, the arc surface formation of left end is less than the arc surface of right end
The angle of formation can increase the shearing force of contact surface in this way, avoid stress concentration, improve shear strength, improve using reliable
Property.
Vibration isolation rubber backing plate 7 described in the utility model is not all of positioning during its use, can generate
Bottom offset, it is centrally located, can be absorbed with vibration isolation, avoid in the prior art sampling completely it is stuck, centre will not be absorbed
The effect of vibration isolation.
Meanwhile the utility model can apply any fastener installation on existing track circuit, using flexible is strong, nothing
The bearing capacity of load can be improved in the case of width, length and flange of rail height need to be increased.
Under the higher strength conditions of actual use occasion needs, the size of wedge-shaped shoulder block 604, other sizes can be increased
Can be constant, it is compact-sized, it repairs and easy for installation.
Above description is the explanation to the utility model, is not the restriction to utility model, defined by the utility model
Range is within the protection scope of the utility model referring to claim, can make any type of modification.
Claims (9)
1. a kind of enhanced type rail Damping fastening, it is characterised in that：By the lower thread of stud (13) lower iron chair
(8) it is anchored on sleeper with plate lower bolster (10), the plate lower bolster (10) is located at lower iron pad in the lower part of lower iron chair (8)
The top of plate (8) is provided with floating iron chair (6), and vibration isolation rubber backing plate (7) is installed on floating iron chair (6) and lower iron chair
(8) between, the floating iron chair (6) and lower iron chair (8) are vertical along rail (1) and be parallel at the both sides of rail (1)
It is respectively provided with two elastic guide components；Floating iron chair (6) bottom extends there are two wedge-shaped shoulder block (604), wedge-shaped
Shoulder block (604) intercalation enters in the elastomeric sleeve (9) in the respective rectangular slot of lower iron chair (8), and cooperates, in rail
(1) direction in length and breadth is limited and is slided up and down；It will by insulating bushing (14), compressed spring (12) and stop nut (11)
Four through-holes (601) on floating iron chair (6) are sleeved on the upper end of stud (13)；Rail (1) passes through rubber pad under rail
Plate (2), insulation rail cushion block (5), T-bolt, nut (4) and spring (3) and limit buckle is pressed on floating iron chair (6).
2. a kind of enhanced type rail Damping fastening as described in claim 1, it is characterised in that：The square of lower iron chair (8) both sides
Elastomeric sleeve (9) is respectively provided in shape slot, it is polyurethane to be provided with material by the outside that cross force squeezes in elastomeric sleeve (9)
The material of the resilient support block of elastomer, elastomeric sleeve (9) uses high-strength wear-resisting self-lubricating high molecular material.
3. a kind of enhanced type rail Damping fastening as described in claim 1, it is characterised in that：Floating iron chair (6) bottom
Portion both sides and with set that there are two wedge-shaped shoulder block (604), wedge-shaped shoulder blocks on the corresponding position of the elastomeric sleeve (9) of lower iron chair (8)
(604) it is the machined surface of best bright finish with the sliding contact surface of elastomeric sleeve (9).
4. a kind of enhanced type rail Damping fastening as described in claim 1, it is characterised in that：Floating iron chair (6) and lower iron
In the assembling of backing plate (8), two elastic guide components are provided with, make to form between wedge-shaped shoulder block (604) and elastomeric sleeve (9)
Elastic guide.
5. a kind of enhanced type rail Damping fastening as described in claim 1 or 4, it is characterised in that：Elastic guide component is wedge
The combination of shape shoulder block (604) and elastomeric sleeve (9).
6. a kind of enhanced type rail Damping fastening as described in claim 1, it is characterised in that：Four of floating iron chair (6)
Through-hole (601) is had at angle, the through-hole (601) is sleeved on the upper end of stud (13), be used in combination insulating bushing (14),
Compressed spring (12) and stop nut (11) carry out precompressed to floating iron chair (6), by adjusting the compression of compressed spring (12)
The vibration frequency of the sound rigidity and rail (1) of amount, control and adjustment fastener.
7. a kind of enhanced type rail Damping fastening as described in claim 1, it is characterised in that：The section of elastomeric sleeve (9) at
Convex shape structure.
8. a kind of enhanced type rail Damping fastening as described in claim 1, it is characterised in that：The vibration isolation rubber backing plate (7)
Structure be：Including rubber mat plate ontology (702), the square hole across wedge-shaped shoulder block (604) is had at its both ends
(701)。
9. a kind of enhanced type rail Damping fastening as described in claim 1, it is characterised in that：It is opened at plate lower bolster (10) both ends
Slot is internally provided with step, and the step coordinates with elastomeric sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457452.6U CN208038939U (en) | 2018-04-02 | 2018-04-02 | A kind of enhanced type rail Damping fastening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457452.6U CN208038939U (en) | 2018-04-02 | 2018-04-02 | A kind of enhanced type rail Damping fastening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208038939U true CN208038939U (en) | 2018-11-02 |
Family
ID=63946954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820457452.6U Active CN208038939U (en) | 2018-04-02 | 2018-04-02 | A kind of enhanced type rail Damping fastening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208038939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360309A (en) * | 2018-04-02 | 2018-08-03 | 中国铁道科学研究院铁道建筑研究所 | A kind of enhanced type rail Damping fastening |
| 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 |
-
2018
- 2018-04-02 CN CN201820457452.6U patent/CN208038939U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360309A (en) * | 2018-04-02 | 2018-08-03 | 中国铁道科学研究院铁道建筑研究所 | A kind of enhanced type rail Damping fastening |
| CN108360309B (en) * | 2018-04-02 | 2023-12-12 | 中国铁道科学研究院铁道建筑研究所 | Reinforced track vibration damping fastener |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108360309A (en) | A kind of enhanced type rail Damping fastening | |
| CN103088722B (en) | Transverse stiffness-reinforcedrail rail fastener | |
| CN208038939U (en) | A kind of enhanced type rail Damping fastening | |
| CN104179081B (en) | Without spring rail clip system | |
| CN201077937Y (en) | Non ballast railway fastener with shoulder-block | |
| CN201785681U (en) | Fastening device used for urban rail transit | |
| CN105256671A (en) | Compression type damping fastener | |
| CN205088533U (en) | Compression type damping fastener | |
| CN108457138B (en) | Double-layer embedded vibration-damping fastener | |
| CN208201511U (en) | The heavy embedded Damping fastening of bilayer | |
| CN103966929A (en) | Bolt-free fastener system for tramcar | |
| CN202559189U (en) | Urban railway system ballastless fastener | |
| CN202202214U (en) | Fastener for rail transit | |
| CN111827018A (en) | Damping fastener for urban rail transit | |
| CN209099074U (en) | A kind of shoulder block formula fastener system | |
| CN203807896U (en) | Boltless fastener system for tramcar | |
| CN107761482B (en) | Elastic sliding groove type vibration damping fastener suitable for inner line of subway vehicle section warehouse | |
| CN206090188U (en) | Big vertical resistance urban rail transit fastener | |
| CN211522676U (en) | Vibration-damping buckle-plate type magnetic suspension fastener system easy to maintain | |
| CN204753268U (en) | Difficult skew ballastless track fastener system between backing plate and sleeper | |
| CN204738185U (en) | Difficult ballastless track fastener system of deflecting between bullet strip and backing plate | |
| US4773591A (en) | Elastic rail pad | |
| KR20020090845A (en) | Apparatus for prevention of vivration of railroad | |
| CN209099073U (en) | A kind of fastener system backing plate | |
| CN205188729U (en) | But quick detachable double -deck damping fastener system of roll adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |