CN110438850B - Vibration damping fastener - Google Patents
Vibration damping fastener Download PDFInfo
- Publication number
- CN110438850B CN110438850B CN201910335037.2A CN201910335037A CN110438850B CN 110438850 B CN110438850 B CN 110438850B CN 201910335037 A CN201910335037 A CN 201910335037A CN 110438850 B CN110438850 B CN 110438850B
- Authority
- CN
- China
- Prior art keywords
- damping fastener
- base plate
- vibration damping
- connecting piece
- tip
- 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
- 238000013016 damping Methods 0.000 title claims abstract description 52
- 230000009467 reduction Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 description 3
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/40—Tie-plates for flat-bottom rails
- E01B9/42—Tie-plates for flat-bottom rails of two or more parts
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Connection Of Plates (AREA)
Abstract
The invention provides a vibration damping fastener which comprises an upper base plate, a lower base plate and a connecting piece, wherein the connecting piece comprises a first end part, a connecting part and a second end part, one ends of the first end part and the connecting part are vertically arranged, the second end part is vertically arranged with the other end of the connecting part, an included angle is formed between the first end part and the second end part, a first assembling part is arranged on the lower base plate, a second assembling part is arranged on the upper base plate, and the upper base plate and the lower base plate are detachably connected through the connecting part.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a vibration reduction fastener.
Background
The damping fastener of the steel rail is an important component of a track system in the track traffic, and has the functions of fixing the steel rail and keeping the right position of the steel rail, transmitting the force born by the steel rail to the foundation under the rail, providing supporting elasticity for the steel rail and playing a role in damping and noise reduction.
Along with the rapid development and large-scale construction of rail transit, the vibration-damping fastener is widely used, and the conventional vibration-damping fastener has complex structure due to the connecting piece, so that on one hand, the assembly process is complicated, the assembly efficiency is low, and the construction efficiency of the vibration-damping fastener is seriously affected; on the other hand, the connecting piece has a complex structure, so that the requirement on the dimensional accuracy of the vibration damping fastener is extremely high, and the manufacturing difficulty is high.
Therefore, providing a vibration damping fastener capable of being assembled quickly is one of the technical problems to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention aims to provide a vibration damping fastener to solve the problems of complex assembly structure, high manufacturing precision requirement, complex assembly process and low installation efficiency of the conventional vibration damping fastener.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a damping fastener, includes upper padding plate, lower bolster and connecting piece, the connecting piece includes first tip, connecting portion and second tip, the one end of first tip and connecting portion sets up perpendicularly, the second tip with the other end of connecting portion sets up perpendicularly, have the contained angle between first tip and the second tip, set up first assembly portion on the lower bolster, set up second assembly portion on the upper padding plate, damping fastener will through connecting portion upper padding plate and lower bolster can dismantle the connection.
Further, the included angle between the first end and the second end is 90 °.
Further, the first fitting portion includes a through hole provided on the lower mat and a groove located above the through hole, the groove having an opening portion in conformity with the shape of the second end portion so that the second end portion can pass through the opening portion, the groove being located on a side close to the upper mat.
Further, the second fitting portion includes a convex groove on a side close to the lower mat, the convex groove having an opening portion conforming to the shape of the second end portion so that the second end portion can pass through the opening portion.
Further, the damping fastener comprises an upper base plate, a first elastic pad, a middle base plate, a second elastic pad and a lower base plate which are sequentially arranged from top to bottom, the damping fastener is connected through a connecting piece, through holes are formed in the first elastic pad, the middle base plate and the second elastic pad, and the connecting piece can penetrate through the through holes, so that the upper base plate and the lower base plate are connected.
Further, the lateral wall of the vibration reduction fastener is provided with a transverse limiting structure.
Furthermore, the transverse limiting structure is an annular structure sleeved on the periphery of the vibration reduction fastener.
Compared with the prior art, the vibration damping fastener has the following advantages: the vibration reduction fastener is assembled only through the insertion and rotation of the connecting piece, and the steps are simple and the assembly efficiency is high; the connecting piece of the vibration reduction fastener is simple in structure and has low requirement on the matching dimensional precision among different parts.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a connecting member of a vibration damping fastener according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembly of a vibration damping fastener according to an embodiment of the present invention;
FIG. 3 is a schematic front view of a vibration damping fastener according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a vibration damping fastener according to an embodiment of the present invention;
FIG. 5 is a schematic bottom view of a vibration damping fastener according to an embodiment of the present invention;
FIG. 6 is a schematic view of another embodiment of a vibration damping fastener according to the present invention;
FIG. 7 is an exploded view of a vibration damping fastener according to an embodiment of the present invention;
FIG. 8 is a schematic view illustrating an assembly of a transverse limiting structure of a vibration damping fastener according to an embodiment of the present invention;
fig. 9 is a schematic diagram of another oblique view of a vibration damping fastener according to an embodiment of the present invention.
Reference numerals illustrate:
1-connecting piece, 101-first end, 102-connecting part, 103-second end, 2-lower backing plate, 201-first assembly part, 3-upper backing plate, 301-second assembly part, 4-first elastic pad, 5-middle backing plate, 6-second elastic pad, 7-transverse limit structure.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Furthermore, the description of "first," "second," etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
As shown in fig. 1-5, a vibration damping fastener comprises an upper base plate 3, a lower base plate 2 and a connecting piece 1, wherein the connecting piece 1 comprises a first end part 101, a connecting part 102 and a second end part 103, one ends of the first end part 101 and the connecting part 102 are vertically arranged, the second end part 103 is vertically arranged with the other end of the connecting part 102, an included angle is formed between the first end part 101 and the second end part 103, a first assembling part 201 is arranged on the lower base plate 2, a second assembling part 301 is arranged on the upper base plate 3, and the vibration damping fastener can detachably connect the upper base plate 3 and the lower base plate 2 through the connecting part 102.
Preferably, the angle between the first end 101 and the second end 103 is 90 °.
The first fitting part 201 includes a through hole provided on the lower mat 2 and a groove located above the through hole, the groove having an opening portion in conformity with the shape of the second end 103 so that the second end 103 can pass through the opening portion, the groove being located on a side close to the upper mat 3. Preferably, two sides of the convex groove are semi-cylindrical groove walls which extend from the edge of the through hole and are oppositely arranged, and chords of the two side walls are oppositely arranged at intervals in parallel to form an opening.
The second fitting portion 301 includes a convex groove on a side close to the lower mat 2, the convex groove having an opening portion conforming to the shape of the second end portion 103 so that the second end portion 103 can pass through the opening portion. Preferably, two sides of the convex groove are semi-cylindrical groove walls which extend from the edge of the through hole and are oppositely arranged, and chords of the two side walls are oppositely arranged at intervals in parallel to form an opening. More preferably, the semi-cylindrical groove wall is a hollow semi-cylindrical groove wall to form a receiving space of the second end 103 in the second fitting part 301.
Further, the connecting piece 1 is made of a metal material, preferably, an insulating layer or an insulating sleeve is arranged outside the connecting piece 1, or the connecting piece 1 may be made of a non-metal material with higher tensile strength than the metal material.
During assembly, the upper base plate 3 and the lower base plate 2 are firstly placed up and down, the first assembly part 201 and the second assembly part 301 are overlapped, then the second end 103 of the connecting piece 1 sequentially passes through the first assembly part 201 and the second assembly part 301 from bottom to top, finally the connecting piece 1 is rotated for a certain angle, the second end 103 of the connecting piece 1 is crossed with the first assembly part 201 and the second assembly part 301, and the assembly of the vibration-damping fastener can be completed, and the vibration-damping fastener is assembled only through the insertion and rotation of the connecting piece 1, so that the steps are simple and the assembly efficiency is high.
The damping fastener is a lower self-locking damping fastener.
Example 2
The vibration damping fastener can also be an upper self-locking vibration damping fastener. Specifically, as shown in fig. 6, the upper pad 3 is provided with a second fitting portion 301, and the lower pad 2 is provided with a first fitting portion 201.
The second fitting part 301 includes a through hole provided on the upper mat 3 and a groove located below the through hole, the groove having an opening portion in conformity with the shape of the second end 103 so that the second end 103 can pass through the opening portion, the groove being located on a side close to the lower mat 2. Preferably, two sides of the convex groove are semi-cylindrical groove walls which extend from the edge of the through hole and are oppositely arranged, and chords of the two side walls are oppositely arranged at intervals in parallel to form an opening.
Further, the first fitting portion 201 includes a convex groove on a side close to the upper mat 3, the convex groove having an opening portion conforming to the shape of the second end portion 103 so that the second end portion 103 can pass through the opening portion. Preferably, two sides of the convex groove are semi-cylindrical groove walls which extend from the edge of the through hole and are oppositely arranged, and chords of the two side walls are oppositely arranged at intervals in parallel to form an opening. More preferably, the semi-cylindrical groove wall is a hollow semi-cylindrical groove wall to form a receiving space of the second end 103 within the first fitting part 201.
During assembly, the upper base plate 3 and the lower base plate 2 are firstly placed up and down, the first assembly part 201 and the second assembly part 301 are overlapped, then the second end 103 of the connecting piece 1 sequentially passes through the second assembly part 301 and the first assembly part 201 from top to bottom, and finally the connecting piece 1 is rotated for a certain angle, so that the second end 103 of the connecting piece 1 is crossed with the first assembly part 201 and the second assembly part 301, the assembly of the vibration-damping fastener can be completed, and the vibration-damping fastener is assembled only through the insertion and rotation of the connecting piece 1, so that the steps are simple and the assembly efficiency is high.
Example 3
The vibration damping fastener can also be a multilayer vibration damping fastener. Specifically, as shown in fig. 7-9, the vibration damping fastener includes an upper pad 3, a first elastic pad 4, a middle pad 5, a second elastic pad 6 and a lower pad 2 that are sequentially disposed from top to bottom, the multi-layer vibration damping fastener is connected through a connecting piece 1, a second assembly portion 301 is disposed on the upper pad 3, a first assembly portion 201 is disposed on the lower pad 2, and the structures of the second assembly portion 301 and the first assembly portion 201 are the same as those of embodiment 1, which are not described herein again. Through holes are formed in the first elastic pad 4, the middle pad 5 and the second elastic pad 6, and the connecting piece 1 can penetrate through the through holes, so that the upper pad 3 and the lower pad 2 are connected.
Furthermore, the side wall of the vibration reduction fastener is provided with a transverse limit structure 7, and preferably, the transverse limit structure 7 is an annular structure sleeved on the periphery of the vibration reduction fastener.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The utility model provides a damping fastener, includes upper padding plate (3), lower bolster (2) and connecting piece (1), its characterized in that, connecting piece (1) include first tip (101), connecting portion (102) and second tip (103), the one end of first tip (101) and connecting portion (102) sets up perpendicularly, second tip (103) with the other end of connecting portion (102) sets up perpendicularly, have the contained angle between first tip (101) and second tip (103), set up first assembly portion (201) on lower bolster (2), set up second assembly portion (301) on upper padding plate (3), damping fastener passes through connecting portion (102) will upper padding plate (3) and lower bolster (2) can dismantle the connection.
2. The vibration damping fastener according to claim 1, characterized in that the angle between the first end (101) and the second end (103) is 90 °.
3. The vibration damping fastener according to claim 1, characterized in that the first fitting part (201) comprises a through hole provided on the lower mat (2) and a tongue located above the through hole, the tongue having an opening part conforming to the shape of the second end part (103) so that the second end part (103) can pass through the opening part, the tongue being located on the side close to the upper mat (3).
4. The vibration damping fastener according to claim 1, characterized in that the second fitting part (301) comprises a convex groove on a side close to the lower mat (2), the convex groove having an opening part conforming to the shape of the second end part (103) so that the second end part (103) can pass through the opening part.
5. The vibration damping fastener according to claim 1, characterized in that the vibration damping fastener comprises an upper base plate (3), a first elastic pad (4), a middle base plate (5), a second elastic pad (6) and a lower base plate (2) which are sequentially arranged from top to bottom, the vibration damping fastener is connected through a connecting piece (1), a second assembling part (301) is arranged on the upper base plate (3), a first assembling part (201) is arranged on the lower base plate (2), through holes are formed in the first elastic pad (4), the middle base plate (5) and the second elastic pad (6), and the connecting piece (1) can penetrate through the through holes, so that the upper base plate (3) and the lower base plate (2) are connected.
6. Damping fastener according to claim 1, characterized in that the side walls of the damping fastener are provided with lateral limit structures (7).
7. The vibration damping fastener according to claim 6, characterized in that the transverse limiting structure (7) is an annular structure sleeved on the periphery of the vibration damping fastener.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408089 | 2018-05-02 | ||
| CN2018104080893 | 2018-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110438850A CN110438850A (en) | 2019-11-12 |
| CN110438850B true CN110438850B (en) | 2024-03-22 |
Family
ID=68428189
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920568363.3U Withdrawn - After Issue CN210529379U (en) | 2018-05-02 | 2019-04-24 | Vibration damping fastener |
| CN201910335037.2A Active CN110438850B (en) | 2018-05-02 | 2019-04-24 | Vibration damping fastener |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920568363.3U Withdrawn - After Issue CN210529379U (en) | 2018-05-02 | 2019-04-24 | Vibration damping fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN210529379U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210529379U (en) * | 2018-05-02 | 2020-05-15 | 洛阳双瑞橡塑科技有限公司 | Vibration damping fastener |
| CN112431074B (en) * | 2020-12-14 | 2022-06-10 | 中铁二院工程集团有限责任公司 | Double-layer track vibration reduction fastener with shoulder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020050100A (en) * | 2001-11-28 | 2002-06-26 | 김충익 | Direct fastening device with absorbing vibration of rail |
| CN203475244U (en) * | 2013-05-30 | 2014-03-12 | 洛阳双瑞橡塑科技有限公司 | Steel rail damping fastener |
| CN105648847A (en) * | 2015-12-30 | 2016-06-08 | 洛阳双瑞橡塑科技有限公司 | Manufacturing method for separation type double-layer turnout shock-absorbing fastener system |
| CN205839491U (en) * | 2016-07-27 | 2016-12-28 | 洛阳科博思新材料科技有限公司 | The double-layer vibration damping fastener of snap assembled |
| CN206328643U (en) * | 2016-12-19 | 2017-07-14 | 京投科技（北京）有限公司 | A kind of transverse translation of steel rail vibration reduction fastener upper padding plate and upset restraint device |
| CN107747255A (en) * | 2017-11-08 | 2018-03-02 | 西安卓控环保科技有限公司 | The steel rail vibration reduction fastener that a kind of lateral stiffness and vertical rigidity are separately controlled |
| CN107780312A (en) * | 2016-08-30 | 2018-03-09 | 洛阳双瑞橡塑科技有限公司 | A kind of readily removable assembled separation type double-layer vibration damping fastener system |
| CN210529379U (en) * | 2018-05-02 | 2020-05-15 | 洛阳双瑞橡塑科技有限公司 | Vibration damping fastener |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2012395964B2 (en) * | 2012-12-06 | 2017-11-23 | Schrey & Veit Gmbh | Vibration absorber arrangement |
-
2019
- 2019-04-24 CN CN201920568363.3U patent/CN210529379U/en not_active Withdrawn - After Issue
- 2019-04-24 CN CN201910335037.2A patent/CN110438850B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020050100A (en) * | 2001-11-28 | 2002-06-26 | 김충익 | Direct fastening device with absorbing vibration of rail |
| CN203475244U (en) * | 2013-05-30 | 2014-03-12 | 洛阳双瑞橡塑科技有限公司 | Steel rail damping fastener |
| CN105648847A (en) * | 2015-12-30 | 2016-06-08 | 洛阳双瑞橡塑科技有限公司 | Manufacturing method for separation type double-layer turnout shock-absorbing fastener system |
| CN205839491U (en) * | 2016-07-27 | 2016-12-28 | 洛阳科博思新材料科技有限公司 | The double-layer vibration damping fastener of snap assembled |
| CN107780312A (en) * | 2016-08-30 | 2018-03-09 | 洛阳双瑞橡塑科技有限公司 | A kind of readily removable assembled separation type double-layer vibration damping fastener system |
| CN206328643U (en) * | 2016-12-19 | 2017-07-14 | 京投科技（北京）有限公司 | A kind of transverse translation of steel rail vibration reduction fastener upper padding plate and upset restraint device |
| CN107747255A (en) * | 2017-11-08 | 2018-03-02 | 西安卓控环保科技有限公司 | The steel rail vibration reduction fastener that a kind of lateral stiffness and vertical rigidity are separately controlled |
| CN210529379U (en) * | 2018-05-02 | 2020-05-15 | 洛阳双瑞橡塑科技有限公司 | Vibration damping fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110438850A (en) | 2019-11-12 |
| CN210529379U (en) | 2020-05-15 |
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