CN105297555A - Laterally locking type double-layer vibration damping fastener - Google Patents
Laterally locking type double-layer vibration damping fastener Download PDFInfo
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- CN105297555A CN105297555A CN201510684991.4A CN201510684991A CN105297555A CN 105297555 A CN105297555 A CN 105297555A CN 201510684991 A CN201510684991 A CN 201510684991A CN 105297555 A CN105297555 A CN 105297555A
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- iron chair
- upper strata
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- lower floor
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Abstract
The invention discloses a laterally locking type double-layer vibration damping fastener, comprising an anchor bolt, a heavy-duty spring washer, a flat cushion block, a nylon insulated cover, an upper-layer iron plate, a middle elastic cushion layer, a lower-layer iron plate, an insulated buffer plate, a substrate, a nylon sleeve, an insulated track gauge block, a steel rail and an elastic bar. The laterally locking type double-layer vibration damping fastener has the benefits that a laterally locking structure in innovation design is adopted, the fastener can be manually dismounted without using a special tool, maintenance and replacement of the middle elastic cushion layer are simple, and maintenance is convenient.
Description
Technical field
The present invention relates to a kind of double-layer vibration damping fastener, especially a kind of side locking type double-layer vibration damping fastener.
Background technology
Urban track traffic extensive development, the vibration & noise problem thereupon produced is outstanding all the more, if do not taken effective measures, both the comfort level of passenger can have been reduced, the application life of the various component of vehicle can be reduced again, also can affect the life-span of the work of Along Railway resident, quality of life and various equipment, building simultaneously.Therefore, control and reduce subway-induced vibration and noise and become one of important topic in Urban Rail Transit Development.
Fastener system, as rail to be fixed on railway roadbed and to make rail at vertical, the horizontal and vertical parts that can carry out necessary motion, in the Vibration Absorption Designing of track structure, is sent out a brightness and Main Function.At present, domestic widely used Damping fastening mainly contains overall sulfuration shearing-type Damping fastening (as Cologne egg fastener) and double-deck compression-type Damping fastening two kinds.The major defect of overall sulfuration shearing-type Damping fastening is that rigidity can not adjust, and vulcanised rubber layer easily peels off, once vulcanised rubber layer damaged after, whole fastener need be changed, maintenance cost is high.The major defect of double-deck compression-type Damping fastening have employed independently locking mechanism, not quick detachable, maintain and replace vibration damping bed course difficulty.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of side locking type double-layer vibration damping fastener.
The present invention is achieved through the following technical solutions.
A kind of side locking type double-layer vibration damping fastener, comprises anchor bolt, heavy-duty spring packing ring, Flat gasket, nylon insulating lid, upper strata iron chair, middle spring bed course, lower floor's iron chair, insulated buffer plate, pedestal, nylon sleeve, Insulation rail distance keeper, rail, spring;
Above-mentioned nylon sleeve is embedded with in said base, above-mentioned insulated buffer plate is directly layed in said base, above-mentioned insulated buffer plate is laid above-mentioned lower floor iron chair, above-mentioned middle spring bed course and above-mentioned upper strata iron chair successively, the above-mentioned column that above-mentioned lower floor iron chair has two to protrude, have through hole in the middle of above-mentioned column, the above-mentioned bolt hole on this through hole and above-mentioned insulated buffer plate and the through hole on above-mentioned nylon sleeve align mutually, hole on the above-mentioned middle spring bed course that column on above-mentioned lower floor iron chair passes and above-mentioned upper strata iron chair, above-mentioned nylon insulating lid inserts in the gap on above-mentioned column and above-mentioned upper strata iron chair between hole, above-mentioned nylon insulating lid places above-mentioned Flat gasket, above-mentioned heavy-duty spring packing ring, above-mentioned anchor bolt is passed down through above-mentioned heavy-duty spring packing ring, bolt hole on above-mentioned Flat gasket and above-mentioned nylon insulating lid, running through above-mentioned lower floor iron chair screws in above-mentioned nylon sleeve, the above-mentioned rail placed in the rail support groove of above-mentioned upper strata iron chair adopts above-mentioned spring and above-mentioned Insulation rail distance keeper to fix.
Further, above-mentioned stem height is a little less than the height sum of above-mentioned middle spring bed course and above-mentioned upper strata iron chair.
Beneficial effect of the present invention:
1, have employed the side locking type structure of innovative design, get final product hand disassembly without the need to special tool, the middle spring bed course of maintain and replace is simple, is convenient to maintenance.
Precompressed is very little in use for the middle spring bed course of the side locking type structure contacting piece 2, adopted, and the elasticity that can give full play to middle spring bed course carries out vibration damping, good damping result.
3, the side locking type structure lateral clearance adopted is little, and the anti-lateral force of fastener is large, and stability is high, safe to use.
Accompanying drawing explanation
Fig. 1 is the perspective view of side locking type double-layer vibration damping fastener of the present invention;
Fig. 2 is the partial cutaway view schematic of side locking type double-layer vibration damping fastener of the present invention;
Fig. 3 is the structural representation of nylon insulating lid of the present invention;
Fig. 4 is the structural representation of Flat gasket of the present invention;
Fig. 5 is the structural representation of upper strata of the present invention iron chair;
Fig. 6 is the structural representation of lower floor of the present invention iron chair.
Detailed description of the invention
According to drawings and embodiments the present invention is described in further detail below.
With reference to Fig. 1-Fig. 6, the present invention, side locking type double-layer vibration damping fastener, comprises anchor bolt 1, heavy-duty spring packing ring 2, Flat gasket 3, nylon insulating lid 4, upper strata iron chair 5, middle spring bed course 6, lower floor's iron chair 7, insulated buffer plate 8, pedestal 9, nylon sleeve 10, Insulation rail distance keeper 11, rail 12, spring 13.
This fastener structures is: in pedestal 9, be embedded with nylon sleeve 10, insulated buffer plate 8 is directly layed on pedestal 9, insulated buffer plate 8 is laid lower floor's iron chair 7, middle spring bed course 6 and upper strata iron chair 5 successively, lower floor's iron chair 7 there are two columns protruded 71, have through hole in the middle of column 71, the bolt hole on this through hole and insulated buffer plate 8 and the through hole on nylon sleeve 10 align mutually; Hole on the middle spring bed course 6 that column 71 on lower floor's iron chair 7 passes and upper strata iron chair 5, column 71 height is a little less than the height sum of middle spring bed course 6 and upper strata iron chair 5.Nylon insulating lid 4 inserts in the gap on column 71 and upper strata iron chair 5 between hole, nylon insulating lid 4 is placed Flat gasket 3, heavy-duty spring packing ring 2, anchor bolt 1 is passed down through the bolt hole on heavy-duty spring packing ring 2, Flat gasket 3 and nylon insulating lid 4, running through lower floor's iron chair 7 screws in nylon sleeve 10, and the rail 12 placed in the rail support groove of upper strata iron chair 5 adopts spring 13 and Insulation rail distance keeper 11 to fix.
When anchor bolt 1 bolt hole be passed down through on heavy-duty spring packing ring 2, Flat gasket 3 and nylon insulating lid 4 run through lower floor iron chair screw in be fixed on pedestal in nylon sleeve 10 time, the height space formed by lower floor's iron chair 7 and nylon insulating lid 4 can fix middle spring bed course 6 and upper strata iron chair 5 in short transverse, and middle elastic layer is formed to the compression of 0.5 ~ 1mm, guarantee that middle spring bed course 6 is while fully contacting with levels iron chair, can play its elasticity completely.
The edge of protrusion is arranged at nylon insulating lid 4 bottom, in space between column on insertion upper strata, edge iron chair 5 and lower floor's iron chair 7, the edge thickness protruded due to nylon insulating lid 4 bottom is consistent with the space between the column on upper strata iron chair 5 and lower floor's iron chair 7, can at in-plane, locked by side, when ensureing upper strata iron chair 5 horizontal force, very little in in-plane displacement.
With reference to Fig. 3, the inside, edge that nylon insulating lid 4 bottom is protruded is oblate, and can prevent it from rotating, its upper surface has groove.
With reference to Fig. 4, there is the boss of protrusion on Flat gasket 3 surface, during installation and the groove male-female on nylon insulating lid 4 surface, can prevent relatively rotating between the two.
With reference to Fig. 5, there is dismounting groove at upper strata iron chair 5 installing hole place, is convenient to the dismounting of fastener.
With reference to Fig. 6, lower floor's iron chair 7 there is oblate column.
Whole fastener achieves integrally-built innovation, is realizing use safety, is convenient to adjustment, construction is simple simultaneously, accomplishes with low cost.
The present invention, side locking type double-layer vibration damping fastener, have employed the side locking type structure of innovative design, gets final product hand disassembly without the need to special tool, and the middle spring bed course of maintain and replace is simple, is convenient to maintenance; Precompressed is very little in use for the middle spring bed course of the side locking type structure contacting piece adopted, and the elasticity that can give full play to middle spring bed course carries out vibration damping, good damping result; The side locking type structure lateral clearance adopted is little, and the anti-lateral force of fastener is large, and stability is high, safe to use.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (2)
1. a side locking type double-layer vibration damping fastener, it is characterized in that, comprise anchor bolt, heavy-duty spring packing ring, Flat gasket, nylon insulating lid, upper strata iron chair, middle spring bed course, lower floor's iron chair, insulated buffer plate, pedestal, nylon sleeve, Insulation rail distance keeper, rail, spring;
Be embedded with described nylon sleeve in the susceptor, described insulated buffer plate is directly layed on described pedestal, described insulated buffer plate is laid described lower floor iron chair, described middle spring bed course and described upper strata iron chair successively, the described column that described lower floor iron chair has two to protrude, have through hole in the middle of described column, the described bolt hole on this through hole and described insulated buffer plate and the through hole on described nylon sleeve align mutually, hole on the described middle spring bed course that column on described lower floor iron chair passes and described upper strata iron chair, described nylon insulating lid inserts in the gap on described column and described upper strata iron chair between hole, described nylon insulating lid places described Flat gasket, described heavy-duty spring packing ring, described anchor bolt is passed down through described heavy-duty spring packing ring, bolt hole on described Flat gasket and described nylon insulating lid, running through described lower floor iron chair screws in described nylon sleeve, the described rail placed in the rail support groove of described upper strata iron chair adopts described spring and described Insulation rail distance keeper to fix.
2. side locking type double-layer vibration damping fastener according to claim 1, is characterized in that, described stem height is a little less than the height sum of described middle spring bed course and described upper strata iron chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684991.4A CN105297555A (en) | 2015-10-16 | 2015-10-16 | Laterally locking type double-layer vibration damping fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684991.4A CN105297555A (en) | 2015-10-16 | 2015-10-16 | Laterally locking type double-layer vibration damping fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105297555A true CN105297555A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510684991.4A Pending CN105297555A (en) | 2015-10-16 | 2015-10-16 | Laterally locking type double-layer vibration damping fastener |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012705A (en) * | 2016-07-11 | 2016-10-12 | 洛阳双瑞橡塑科技有限公司 | Device for preventing relative torsion of steel rail and fastener during elastic strip assembly |
| CN106120482A (en) * | 2016-08-22 | 2016-11-16 | 洛阳双瑞橡塑科技有限公司 | A kind of device preventing fastening elastic rod from twisting when installing |
| CN107217555A (en) * | 2017-06-29 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | Fastener for rail transit with antidumping insulating pad |
| CN107338688A (en) * | 2017-08-31 | 2017-11-10 | 中铁第四勘察设计院集团有限公司 | Include the fastener for rail transit of the insulating pad with bulge-structure |
| CN107642006A (en) * | 2016-07-22 | 2018-01-30 | 洛阳科博思新材料科技有限公司 | A kind of Damping fastening |
| US10081915B2 (en) | 2016-07-20 | 2018-09-25 | Progress Rail Services Corporation | Track rail fastening mechanism and method |
| RU2682156C1 (en) * | 2018-07-06 | 2019-03-14 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский университет транспорта (МИИТ)" РУТ (МИИТ) | Repair kit for anchor rail fastening arf and method for repair of anchor 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 |
| US11098454B2 (en) | 2019-04-01 | 2021-08-24 | Progress Rail Services Corporation | Track rail fastener and system for pedestal mounted track rail |
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| CN2630303Y (en) * | 2003-05-15 | 2004-08-04 | 范佩鑫 | Self-locking rail two-layer vibration-damping noise-reducing fastener |
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| CN103643600A (en) * | 2013-12-31 | 2014-03-19 | 洛阳双瑞橡塑科技有限公司 | Adjustable pre-tightening force double-layer vibration attenuation buckle system |
| CN104179080A (en) * | 2014-09-10 | 2014-12-03 | 洛阳双瑞橡塑科技有限公司 | Vibration reduction turnout pedestal system and assembly method |
| CA2862922A1 (en) * | 2013-09-04 | 2015-03-04 | L. B. Foster Company | Stray current resistant direct fixation fastener |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2630303Y (en) * | 2003-05-15 | 2004-08-04 | 范佩鑫 | Self-locking rail two-layer vibration-damping noise-reducing fastener |
| CN201006966Y (en) * | 2006-12-28 | 2008-01-16 | 铁道科学研究院铁道建筑研究所 | Steel rail fastener |
| CN201165622Y (en) * | 2008-03-06 | 2008-12-17 | 范佩鑫 | Easy-to-detach track double-layer vibration absorption denoising fastener |
| CN201420215Y (en) * | 2009-05-14 | 2010-03-10 | 王平 | Fastener suitable for ballastless tracks of passenger and goods mixed transport |
| CN102979013A (en) * | 2012-12-12 | 2013-03-20 | 洛阳双瑞橡塑科技有限公司 | Easily detachable and separable double-layer shock-absorbing fastener system |
| CA2862922A1 (en) * | 2013-09-04 | 2015-03-04 | L. B. Foster Company | Stray current resistant direct fixation fastener |
| CN103643600A (en) * | 2013-12-31 | 2014-03-19 | 洛阳双瑞橡塑科技有限公司 | Adjustable pre-tightening force double-layer vibration attenuation buckle system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012705A (en) * | 2016-07-11 | 2016-10-12 | 洛阳双瑞橡塑科技有限公司 | Device for preventing relative torsion of steel rail and fastener during elastic strip assembly |
| US10081915B2 (en) | 2016-07-20 | 2018-09-25 | Progress Rail Services Corporation | Track rail fastening mechanism and method |
| CN107642006A (en) * | 2016-07-22 | 2018-01-30 | 洛阳科博思新材料科技有限公司 | A kind of Damping fastening |
| CN106120482A (en) * | 2016-08-22 | 2016-11-16 | 洛阳双瑞橡塑科技有限公司 | A kind of device preventing fastening elastic rod from twisting when installing |
| CN107217555A (en) * | 2017-06-29 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | Fastener for rail transit with antidumping insulating pad |
| CN107338688A (en) * | 2017-08-31 | 2017-11-10 | 中铁第四勘察设计院集团有限公司 | Include the fastener for rail transit of the insulating pad with bulge-structure |
| RU2682156C1 (en) * | 2018-07-06 | 2019-03-14 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский университет транспорта (МИИТ)" РУТ (МИИТ) | Repair kit for anchor rail fastening arf and method for repair of anchor fastening |
| US11098454B2 (en) | 2019-04-01 | 2021-08-24 | Progress Rail Services Corporation | Track rail fastener and system for pedestal mounted track rail |
| 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 |
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Application publication date: 20160203 |
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