CN205088532U - Rail damping fastener - Google Patents
Rail damping fastener Download PDFInfo
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- CN205088532U CN205088532U CN201520736274.7U CN201520736274U CN205088532U CN 205088532 U CN205088532 U CN 205088532U CN 201520736274 U CN201520736274 U CN 201520736274U CN 205088532 U CN205088532 U CN 205088532U
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- backing plate
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- described base
- vibration reduction
- floating
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Abstract
The utility model provides a rail damping fastener, rail damping fastener includes: the base sets up on the sleeper, the base has base bottom plate and follow the base lateral wall that base bottom plate side direction extends out, the backing plate of floating sets up and is in on the base, the backing plate of floating has backing plate bottom plate and follow the backing plate lateral wall that backing plate bottom plate side direction extends out, vertical displacement retrains the vibration isolator, presss from both sides and establishes the backing plate bottom plate with between the base bottom plate, lateral displacement retrains the vibration isolator, presss from both sides and establishes the backing plate lateral wall with between the base lateral wall, the bolt, the bottom of bolt sets up in the sleeper, and the top of bolt is equipped with double -layered core gasket and nut in proper order, elasticity compresses tightly the piece, sets up press from both sides the core gasket and float between the backing plate, and elasticity compresses tightly the piece and compresses tightly the rail float on the backing plate. The utility model discloses can solve the environmental vibration problem due to the train operation effectively.
Description
Technical field
The utility model relates to a kind of rail fastening, is specifically related to the steel rail vibration reduction fastener for track vibration isolation in a kind of steel rail vibration reduction fastener, particularly urban track traffic.
Background technology
Urban track traffic is while bringing convenience to people's trip, and wheel track coupled vibrations brings vibration and noise pollution problem also to neighboring buildings and resident.At this moment, Damping fastening is used to be the effective measures slowing down surrounding enviroment vibration in orbit.
At present, existing various Damping fastening is all utilizing respective form of structure and methods to bad to the control effects of rail deflection and lateral displacement.
In sum, there is following problem in prior art: the control effects that existing various Damping fastening vibration damping controls is bad.
Utility model content
The utility model provides a kind of steel rail vibration reduction fastener, with the problem that the control effects solving existing various Damping fastening vibration damping control is bad.
For this reason, the utility model proposes a kind of steel rail vibration reduction fastener, described steel rail vibration reduction fastener comprises:
Base, is arranged on sleeper; The base side wall that described base has base plate and extends laterally out from described base plate;
Floating backing plate, is arranged on described base, the backing plate sidewall that described floating backing plate has bed piece and extends laterally out from described bed piece;
Vertical displacement constraint vibration isolator, is folded between described bed piece and described base plate;
Lateral displacement constraint vibration isolator, is folded between described backing plate sidewall and described base side wall;
Bolt, the bottom of bolt is arranged in sleeper, and the bottom of described bolt upwards passes from sleeper and passes described base and floating backing plate successively, and the top of bolt is provided with sandwich pad and nut successively;
Elastic pressed piece, is arranged between described sandwich pad and floating backing plate, and rail is pressed on described floating backing plate by described elastic pressed piece.
Further, described elastic pressed piece is spring.
Further, described base plate is for being horizontally disposed with, and bottom surface and the end face of described base plate are horizontal plane, and bottom surface and the end face of described bed piece are horizontal plane,
Further, the number of described base side wall is two, two described base side walls lay respectively at the both sides of described base plate, and described base plate and base side wall form base grasping part, and described floating backing plate is clamped in described base grasping part by described elastic pressed piece.
Further, the number of described backing plate sidewall is two, two described backing plate sidewall lay respectively at the both sides of described bed piece, described bed piece and described backing plate sidewall with form rail grasping part, rail is pressed in the rail grasping part of described floating backing plate by described elastic pressed piece.
Further, the general shape of described base is U-shaped or inverted π shape.
Further, described floating backing plate general shape is the I-shaped of 90-degree rotation or U-shaped.
Further, along rail longitudinal direction, described base is provided with the base shoulder block of L shape, and described floating backing plate is provided with the backing plate shoulder block of L shape, and described base shoulder block is spacing to backing plate shoulder block.
Further, there is between described floating backing plate and bolt the compartment of annular.
Further, described sandwich pad comprises double layer of metal pad and is clipped in the first vibration isolator between double layer of metal pad.
Steel rail vibration reduction fastener of the present utility model, rail can be allowed to have larger buffering deflection at vertical direction by vertical displacement constraint vibration isolator, to realize good anti-vibration performance, lateral displacement constraint vibration isolator, make floating backing plate can be subject to very big constraint in lateral displacement and flip angle, thus reach good effectiveness in vibration suppression.
And then; sandwich pad clips one deck rubber by double layer of metal pad and formed; can prevent spring or floating backing plate from producing twisting, when guaranteeing that spring produces small transverse direction (laterally in horizontal plane and the vertical rail length direction) displacement of a few tenths of a mm along with floating backing plate, railway spike (bolt) and spring be protected.Thus, the utility model retrains respectively at transverse movement, yaw motion (in horizontal plane) and vertical motion, and three constraint impacts are each other lower, fastener can be allowed to carry out independent value at the rigidity value of all directions and damping value according to actual needs, thus realize high-grade vibration vibration isolation amount under guarantee travel safety.
The utility model can strengthen the buffering deflection of rail under the lateral displacement amount not increasing rail head, both ensure that travel safety, has again higher vibration isolation capability, effectively can solve the ambient vibration problem caused by train operation.
Accompanying drawing explanation
Fig. 1 is the three-dimensional assembly structure schematic diagram of the steel rail vibration reduction fastener of the utility model embodiment;
Fig. 2 is the bolt of the steel rail vibration reduction fastener of the utility model embodiment and the position relationship schematic diagram of floating backing plate;
Fig. 3 is the decomposition texture schematic diagram of the steel rail vibration reduction fastener of the utility model embodiment;
Fig. 4 is the side direction structural representation of the steel rail vibration reduction fastener of the utility model embodiment.
Drawing reference numeral illustrates:
1 base, 2 floating backing plates, 3 lateral displacement constraint vibration isolators, 4 vertical displacement constraint vibration isolators, 5 bolts, 6 nuts, 7 sandwich pads, 8 spring 9 sleeper 10 rail 15 base shoulder block 25 backing plate shoulder blocks
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and the utility model is described.
As shown in Figure 1, Figure 3 and Figure 4, the steel rail vibration reduction fastener of the utility model embodiment comprises:
Base 1, is arranged on sleeper 9; Base 1 relies on railway spike, nut and check washer to be fastened on sleeper 9, guarantees that base remains motionless state, the base side wall that described base has base plate and extends laterally out from described base plate;
Floating backing plate 2, is arranged on described base 1, the backing plate sidewall that described floating backing plate has bed piece and extends laterally out from described bed piece;
Vertical displacement constraint vibration isolator 4, such as, be rubber pad, be folded between described bed piece and described base plate; Vertical displacement constraint vibration isolator 4 is the strength members determining anti-vibration performance, suitable material model can be selected, thickness and space structures form, such as solid rectangular slab according to parameter requirements, or the backing plate be made up of multiple rubber cone, and with the vibration isolation backing plate etc. of hole slot;
Lateral displacement constraint vibration isolator 3, such as, be the sheet rubber pad of rectangle, be vertically folded between described backing plate sidewall and described base side wall;
Bolt 5 (or railway spike), the bottom of bolt is arranged in sleeper 9, and the bottom of described bolt 5 upwards passes from sleeper 9 and passes described base 1 and floating backing plate 2 (base 1 and floating backing plate 2 are provided with bolt penetration hole) successively, and the top of bolt is provided with sandwich pad 7 and nut 6 successively;
Elastic pressed piece, is arranged between described sandwich pad 7 and floating backing plate 2, and rail 10 is pressed on described floating backing plate by described elastic pressed piece, has effectiveness in vibration suppression.
Base 1 and floating backing plate 2 are such as steel plate or iron plate is formed, to ensure the smooth of rail 10.Retrain vibration isolator 3 except the lateral displacement between floating backing plate 2 and base 1 and vertical displacement retrains except vibration isolator 4, base 1 and floating backing plate 2 all adopt vibration isolator or other elastic buffering pads to separate, to reduce vibration.The size of base 1 and floating backing plate 2 is such as less than the width of sleeper, thus cost is low, and steel using amount is few, reduces sleeper burden.
Steel rail vibration reduction fastener of the present utility model, rail can be allowed to have larger buffering deflection at vertical direction by vertical displacement constraint vibration isolator, to realize good anti-vibration performance, lateral displacement constraint vibration isolator, makes floating backing plate can be subject to very big constraint in lateral displacement and flip angle.The utility model can strengthen the buffering deflection of rail under the lateral displacement amount not increasing rail head, both ensure that travel safety, has again higher vibration isolation capability, effectively can solve the ambient vibration problem caused by train operation.
Lateral displacement constraint vibration isolator 3 sulfides with the contact surface of base 1 and floating backing plate 2, this rubber is made to have the mechanical characteristic of resistance to compression not shearing resistance, add face effect of restraint, make floating backing plate 2 can be subject to very big constraint in lateral displacement and flip angle, and the kinematic constraint power of lateral displacement constraint vibration isolator 3 to floating backing plate 2 vertical direction is very little.
Further, as shown in figures 1 and 3, described elastic pressed piece is spring 8.Spring 8 is such as bending steel bar, can have larger area coverage, can realize the compression of wider range, thus firmly and be uniformly pressed on base 1 by floating backing plate 2.Spring on floating backing plate relies on different nuts to carry out extruding to rail on identical railway spike and installs.
Further, described base plate is for being horizontally disposed with, and bottom surface and the end face of described base plate are horizontal plane, and bottom surface and the end face of described bed piece are horizontal plane, like this, can ensure the steady of rail 10.
Further, as shown in Figure 1 and Figure 4, the number of described base side wall is two, two described base side walls lay respectively at the both sides of described base plate, described base plate and base side wall form base grasping part, and described floating backing plate is clamped in described base grasping part by described elastic pressed piece.Like this, floating backing plate can be made to be subject to pressure or the clamping in three directions, thus firm fixing.
Further, the number of described backing plate sidewall is two, two described backing plate sidewall lay respectively at the both sides of described bed piece, described bed piece and described backing plate sidewall with form rail grasping part, rail is pressed in the rail grasping part of described floating backing plate by described elastic pressed piece.Like this, the side holding power that floating backing plate is subject to is handed over evenly, has shared the pressure that bottom is subject to, has reduced the vibration of vertical direction.
Further, as shown in Figure 3, the general shape of described base is U-shaped or inverted π shape.Like this, be convenient to make, be convenient to clamp floating backing plate, and firmly solid.
Further, described floating backing plate general shape is the I-shaped of 90-degree rotation or U-shaped, so that and base engagement.
Further, as shown in Figure 2, along rail longitudinal direction (rail length direction), described base is provided with the base shoulder block 15 of L shape, described floating backing plate is provided with the backing plate shoulder block 25 of L shape, and described base shoulder block 15 pairs of backing plate shoulder blocks 25 are spacing, prevents from producing length travel therebetween.Base shoulder block 15 and backing plate shoulder block 25 are provided with vibration isolator or other elastic buffering pads, with vibration damping.
Further, as shown in Figure 2, have the compartment of annular between described floating backing plate 2 and bolt 5, in rail vibration process, floating backing plate 2 can not directly contact with between bolt 5.
Further; described sandwich pad 7 comprises double layer of metal pad and is clipped in rubber pad or vibration isolator between double layer of metal pad; can can produce the effect of vibration isolation, damping in the twisting direction of horizontal plane, when guaranteeing that spring produces slight lateral (being the laterally vertical rail direction) displacement of a few tenths of a mm along with floating backing plate 2, railway spike and spring be protected.
Rail 10 is placed on floating backing plate 2, and with bolt 6 and sandwich pad 7, spring 8 is compressed, wherein the buckle press of spring and the selection of bullet journey need jointly determine according to the parameter such as mechanical property, rail vertical vibrating displacement of rail turnover amount of restraint, vertical constraint vibration isolator 4.
The utility model structure is reasonable in design, can strengthen the buffering deflection of rail, both ensure that travel safety, have again higher vibration isolation capability under the lateral displacement amount not increasing rail head, effectively can solve the ambient vibration problem caused by train operation.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.For each ingredient of the present utility model can mutually combine under the condition of not conflicting; any those skilled in the art; equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. a steel rail vibration reduction fastener, is characterized in that, described steel rail vibration reduction fastener comprises:
Base, is arranged on sleeper; The base side wall that described base has base plate and extends laterally out from described base plate;
Floating backing plate, is arranged on described base, the backing plate sidewall that described floating backing plate has bed piece and extends laterally out from described bed piece;
Vertical displacement constraint vibration isolator, is folded between described bed piece and described base plate;
Lateral displacement constraint vibration isolator, is folded between described backing plate sidewall and described base side wall;
Bolt, the bottom of bolt is arranged in sleeper, and the bottom of described bolt upwards passes from sleeper and passes described base and floating backing plate successively, and the top of bolt is provided with sandwich pad and nut successively;
Elastic pressed piece, is arranged between described sandwich pad and floating backing plate, and rail is pressed on described floating backing plate by described elastic pressed piece.
2. steel rail vibration reduction fastener as claimed in claim 1, it is characterized in that, described elastic pressed piece is spring.
3. steel rail vibration reduction fastener as claimed in claim 1, it is characterized in that, described base plate is for being horizontally disposed with, and bottom surface and the end face of described base plate are horizontal plane, and bottom surface and the end face of described bed piece are horizontal plane.
4. steel rail vibration reduction fastener as claimed in claim 3, it is characterized in that, the number of described base side wall is two, two described base side walls lay respectively at the both sides of described base plate, described base plate and base side wall form base grasping part, and described floating backing plate is clamped in described base grasping part by described elastic pressed piece.
5. steel rail vibration reduction fastener as claimed in claim 3, it is characterized in that, the number of described backing plate sidewall is two, two described backing plate sidewall lay respectively at the both sides of described bed piece, described bed piece and described backing plate sidewall with form rail grasping part, rail is pressed in the rail grasping part of described floating backing plate by described elastic pressed piece.
6. steel rail vibration reduction fastener as claimed in claim 4, it is characterized in that, the general shape of described base is U-shaped or inverted π shape.
7. steel rail vibration reduction fastener as claimed in claim 5, it is characterized in that, described floating backing plate general shape is the I-shaped of 90-degree rotation or U-shaped.
8. steel rail vibration reduction fastener as claimed in claim 1, it is characterized in that, along rail longitudinal direction, described base is provided with the base shoulder block of L shape, and described floating backing plate is provided with the backing plate shoulder block of L shape, and described base shoulder block is spacing to backing plate shoulder block.
9. steel rail vibration reduction fastener as claimed in claim 1, is characterized in that, has the compartment of annular between described floating backing plate and bolt.
10. steel rail vibration reduction fastener as claimed in claim 1, it is characterized in that, described sandwich pad comprises double layer of metal pad and is clipped in the first vibration isolator between double layer of metal pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736274.7U CN205088532U (en) | 2015-09-22 | 2015-09-22 | Rail damping fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736274.7U CN205088532U (en) | 2015-09-22 | 2015-09-22 | Rail damping fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205088532U true CN205088532U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520736274.7U Active CN205088532U (en) | 2015-09-22 | 2015-09-22 | Rail damping fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205088532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064143A (en) * | 2015-09-22 | 2015-11-18 | 京投银泰股份有限公司 | Steel rail damping fastener |
| CN112501962A (en) * | 2020-10-28 | 2021-03-16 | 中铁工程设计咨询集团有限公司 | Keep off shoulder formula damping fastener suitable for in-line arrangement is said and is nailed hole |
-
2015
- 2015-09-22 CN CN201520736274.7U patent/CN205088532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064143A (en) * | 2015-09-22 | 2015-11-18 | 京投银泰股份有限公司 | Steel rail damping fastener |
| CN112501962A (en) * | 2020-10-28 | 2021-03-16 | 中铁工程设计咨询集团有限公司 | Keep off shoulder formula damping fastener suitable for in-line arrangement is said and is nailed hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315099 No. 238 East Zhongshan Road, Ningbo, Zhejiang, Haishu Patentee after: Beijing Investment Development Limited by Share Ltd Address before: 315099 No. 238 East Zhongshan Road, Ningbo, Zhejiang, Haishu Patentee before: METRO LAND CORPORATION LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171024 Address after: 101300 Beijing city Shunyi District houshayu Fu Street No. 6 Patentee after: Beijing Investment Technology (Beijing) Co., Ltd. Address before: 315099 No. 238 East Zhongshan Road, Ningbo, Zhejiang, Haishu Patentee before: Beijing Investment Development Limited by Share Ltd |