CN100430553C - Isolator for double regidity rail - Google Patents
Isolator for double regidity rail Download PDFInfo
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- CN100430553C CN100430553C CNB2005102007881A CN200510200788A CN100430553C CN 100430553 C CN100430553 C CN 100430553C CN B2005102007881 A CNB2005102007881 A CN B2005102007881A CN 200510200788 A CN200510200788 A CN 200510200788A CN 100430553 C CN100430553 C CN 100430553C
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- regidity
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Abstract
The present invention relates to a vibration isolator for double-rigidity rails. The lower half part of a rail support plate of the present invention is a back taper cycle body of which the cross section forms an ellipse, and the middle part of the upper half part of the rail support plate is provided with a support platform for supporting steel rails. Both ends of the support platform along the direction of a long shaft are respectively provided with a dummy club on which a transparent pinhole used for installing and fixing torsional spring strips of the steel rails is respectively arranged. A rubber ring sheathed on the outer side surface of the rail support plate covers the edge of the bottom surface of the rail support plate. The contacting surface between the rubber ring and the rail support plate is molded and vulcanized into a whole through adhesives with high temperature and high pressure. An interval is arranged between the lower surface of the rubber ring and a base. Four corner screw nails of the base passes through an installing hole and is fixed with a road bed. The contacting surface between the inner side wall of the base and the outer side wall of the rubber ring is molded and vulcanized into a whole through adhesives with high temperature and high pressure. The present invention overcomes the defect that a traditional vibration damper for rails only has single vibration damping rigidity and poor shock resistance. The present invention can be widely applied to city rail traffic systems, such as subways, light rails, etc. so as to restrain vibration around lines and noise pollution.
Description
(1) technical field
The present invention relates to elastic vibration isolation equipment and material that a kind of track is used.
(2) background technology
Existing Rail Transit System owing to the bump of wheel and rail, produces shock wave and noise in the process of moving.Shock wave will be propagated in track, tunnel, soil layer and above ground structure, produce vibration accordingly, and surrounding buildings and resident living are caused very adverse influence.For addressing this problem, one of normal way that adopts is to adopt rubber float plate or steel spring floating slab both at home and abroad at present, and the concrete road bed board that is about to have certain mass and rigidity is floated on the steel spring vibration isolator, constitutes quality-spring vibration isolation system.The advantage of this method is that effectiveness in vibration suppression is better, but involves great expense, construction and maintenance cost height, and the scope of application is less.Another method commonly used is to use the track vibration-reducing device, mainly comprises support rail plate, rubber ring and base three parts, utilizes the good characteristics of shear strain, dynamic elasticity of shock absorber rubber ring to carry out vibration damping.But because the design of track vibration-reducing device is subjected to the common restriction of effectiveness in vibration suppression and two factors of safety, performance is very limited, and present disclosed track vibration-reducing device all is designed to single rigidity, and the output ratio of Q-switching to free running is many more than 1.3, and effectiveness in vibration suppression can't be satisfactory.In addition, the track vibration-reducing device in use often faces the effect of the alternating stresses of carrying, unloading, this alternating stresses tends to cause the rubber ring material production fatigue phenomenon of shock absorber, and causes the variation of whole vibration damper performance (rigidity), and then exceeds outside the scope of design and lost efficacy.
(3) summary of the invention
The purpose of this invention is to provide a kind of isolator for double regidity rail, solve and reduce cost, the reduction output ratio of Q-switching to free running, strengthen antifatigue, aging-resistant technical problem; And solution has the technical problem of track vibration-reducing device list rigidity, output ratio of Q-switching to free running height, effectiveness in vibration suppression difference now, simultaneously by the selecting for use of the aging system of rubber ring material antifatigue, solve that bigger variation takes place track vibration-reducing device rigidity under the effect of long-term alternating stresses and the problem that causes losing efficacy; Solve the technical problem that the conventional rails shock absorber has only single vibration damping rigidity and shock resistance difference simultaneously.
Technical scheme of the present invention:
This isolator for double regidity rail mainly comprises support rail plate, elastic body and base three parts, it is characterized in that:
The latter half of support rail plate is that cross section is oval-shaped back taper circle body; The middle part of support rail plate the first half is the cushion cap of a carrying rails, at the long axis direction two ends of this cushion cap a lug is arranged respectively, respectively processes a penetrating pin-and-hole on the lug, is used for installing and fixing the torsion spring spring of rail, by the torsion spring spring track and support rail plate is fixed;
Elastic body is that cross section is oval-shaped rubber ring, and this rubber ring is enclosed within support rail plate lateral surface, and encases support rail plate bottom edge, and the contact surface of rubber ring and support rail plate is an integral body by bonding adhesive high temperature, high pressure, sulfidization molding;
The base that is positioned at the rubber ring outside is the elliptical ring taper, and a gap is arranged between the soffit of above-mentioned rubber ring and the base; Four jiaos of base respectively have an installing hole, pass installing hole and roadbed is fixed by screw, and the contact surface of base inside wall and rubber ring lateral wall is an integral body by bonding adhesive high temperature, high pressure, sulfidization molding.
The bus and the folded inclination angle of horizontal plane of above-mentioned support rail plate back taper circle body are the 60-70 degree.
The sidewall thickness of above-mentioned rubber ring is 15-21mm.
The bottom thickness of above-mentioned rubber ring is 5-8mm.
The convex edge of the top oriented inside and outside both sides of above-mentioned rubber ring, the circular arc chamfering of convex edge and support rail plate and base upper edge is coincide bonding.
Above-mentioned base inner ring surface has an oval ring collet, between the soffit of above-mentioned rubber ring and the oval ring collet gap is arranged.
The soffit and the gap between the collet of above-mentioned rubber ring are 2-4mm.
The rubber ring of isolator for double regidity rail of the present invention is characterized in that: the material mixture ratio of rubber ring is by weight:
100 parts of rubber, zinc oxide 3-10 part, light magnesium oxide 0-10 part, stearic acid 1-3 part, age resistor 3-5 part, semi-reinforcing carbon black or high abrasion carbon black or the mixture 30-70 part of the two, plasticizing agent 0-5 part, captax 3-5 part, sulphur 0-1.5 part.
The rubber ring of isolator for double regidity rail of the present invention is characterized in that: the material mixture ratio of rubber ring is by weight:
100 parts of rubber, zinc oxide 3-10 part, light magnesium oxide 0-10 part, stearic acid 1-3 part, 1 part of antioxidant D, antioxidant 4010NA 1-3 part, antioxidant A W1 part, semi-reinforcing carbon black or high abrasion carbon black or the mixture 30-70 part of the two, plasticizing agent 0-5 part, 0.5 part of captax, accelerator TT1.5-3 part, accelerant N A-220-1 part, sulphur 0-1.5 part.
The rubber of above-mentioned rubber ring is 100% the natural rubber or the blend of 70-95% natural rubber and 5-30% neoprene.
Compare beneficial effect of the present invention with existing conventional art: isolator for double regidity rail utilizes the good characteristics of shear strain, dynamic elasticity of rubber to carry out vibration isolation, can effectively reduce vibration and noise that wheel and rail bump produces.Be an integral body by bonding adhesive HTHP sulfidization molding between rubber ring and support rail plate, the base.Design has 3mm can supply the gap of support rail plate vertical displacement between support rail plate bottom surface and the base.So both can make vibration isolator under normal load, give full play to the vibration isolation effect, can under incidental load, keep traffic safety again.The present invention reaches whole favorable damping effect of shock absorber and anti-fatigue performance by adopting low output ratio of Q-switching to free running rubber ring material and damper structure form reasonable in design.The experiment proved that the quiet rigidity in the working load scope is 8-14kN/mm, output ratio of Q-switching to free running 1.15-1.30, shock absorber is 40kN at vertical load, and transverse load is that the present invention is after 3,000,000 fatigue tests under the 20kN effect, and dynamic and static stiffness variation is no more than 10%.The present invention has vibration isolation rigidity under the normal load and the safe rigidity under the incidental load, vibration isolator vibration isolating effect and anti-fatigue performance have been taken into account, overcome the shortcoming that the conventional rails shock absorber has only single vibration damping rigidity and shock resistance difference, can be widely used in City Rail Transit Systems such as subway, light rail, suppress circuit vibration and noise pollution on every side.
(4) description of drawings
Fig. 1 is the structural representation of first embodiment of the invention;
Fig. 2 is the vertical view of isolator for double regidity rail of the present invention;
Fig. 3 is L shaped enlarged drawing for base revolution section among Fig. 1.
Fig. 4 is the structural representation of second embodiment of the invention;
Fig. 5 is trapezoidal enlarged drawing for base revolution section among Fig. 4.
Fig. 6 is a mounting structure schematic diagram of the present invention.
Convex edge, the outer convex edge of 32-in 1-pin-and-hole, 2-support rail plate, 3-rubber ring, the 31-;
4-base, 41-oval ring collet, 42-gap, 43-arc chord angle;
5-lug, 6-cushion cap, 7-track, 8-torsion spring spring, 9-bolt.
(5) specific embodiment
First embodiment of the invention is referring to Fig. 1,2,3,6, and the track vibration-reducing device is made up of support rail plate 2, rubber ring 3 and base 4 three parts, is an integral body by bonding adhesive HTHP sulfidization molding between rubber ring 3 and support rail plate 2, the base 4.
Elastic body is that cross section is oval-shaped rubber ring 3, and this rubber ring is enclosed within support rail plate 2 lateral surfaces, and encases support rail plate bottom edge, and the sidewall thickness of above-mentioned rubber ring is 15-21mm, and its bottom surface covered section rubber thickness is 5-8mm.Inclination angle (with the folded acute angle of horizontal direction) is the 60-70 degree, and the contact surface of rubber ring and support rail plate is an integral body by bonding adhesive high temperature, high pressure, sulfidization molding.There is the circular arc chamfering of interior convex edge 31 and 32, two convex edges, outer convex edge and support rail plate 2 and base 4 upper edges to coincide bonding above the above-mentioned rubber ring.
Second embodiment of the invention is referring to Fig. 4,5,6, and different with embodiment one is, base 4 no oval ring collets, and the revolution section of base is a right-angled trapezium.
Material weight part ratio range of rubber ring 3 of the present invention is: 100 parts of rubber, zinc oxide 3-10 part, light magnesium oxide 0-10 part, stearic acid 1-3 part, age resistor 3-5 part, semi-reinforcing carbon black or high abrasion carbon black or the mixture 30-70 part of the two, plasticizing agent 0-5 part, captax 3-5 part, sulphur 0-1.5 part.
The material mixture ratio of rubber ring is embodiment by weight:
100 parts of rubber, rubber are the natural rubber of 100% natural rubber or 80% and the blend of 20% neoprene.
Zinc oxide 3-10 part;
Light magnesium oxide 0-10 part;
Stearic acid 1-3 part;
1 part of antioxidant D;
Antioxidant 4010NA 1-3 part;
Antioxidant A W1 part;
Semi-reinforcing carbon black or high abrasion carbon black or the mixture 30-70 part of the two;
Plasticizing agent 0-5 part;
0.5 part of captax;
Accelerator TT1.5-3 part;
Accelerant N A-220-1 part;
Sulphur 0-1.5 part;
Dioctyl ester (part);
Light magnesium oxide (part).
Material weight part proportioning embodiment of rubber ring 3:
Claims (9)
1. an isolator for double regidity rail mainly comprises support rail plate, elastic body and base three parts, it is characterized in that:
The latter half of support rail plate is that cross section is oval-shaped back taper circle body; The middle part of support rail plate the first half is the cushion cap of a carrying rails, at the long axis direction two ends of this cushion cap a lug is arranged respectively, respectively processes a penetrating pin-and-hole on the lug, is used for installing and fixing the torsion spring spring of rail, by the torsion spring spring track and support rail plate is fixed;
Elastic body is that cross section is oval-shaped rubber ring, and this rubber ring is enclosed within support rail plate lateral surface, and encases support rail plate bottom edge, and the contact surface of rubber ring and support rail plate is an integral body by bonding adhesive high temperature, high pressure, sulfidization molding;
The base that is positioned at the rubber ring outside is the elliptical ring taper, and a gap is arranged between the soffit of above-mentioned rubber ring and the base; Four jiaos of base respectively have an installing hole, pass installing hole and roadbed is fixed by screw, and the contact surface of base inside wall and rubber ring lateral wall is an integral body by bonding adhesive high temperature, high pressure, sulfidization molding;
The bus and the folded inclination angle of horizontal plane of above-mentioned support rail plate back taper circle body are the 60-70 degree.
2. isolator for double regidity rail according to claim 1 is characterized in that: the sidewall thickness of above-mentioned rubber ring is 15-21mm.
3. isolator for double regidity rail according to claim 1 is characterized in that: the bottom thickness of above-mentioned rubber ring is 5-8mm.
4. isolator for double regidity rail according to claim 1 is characterized in that: the convex edge of the top oriented inside and outside both sides of above-mentioned rubber ring, the circular arc chamfering of convex edge and support rail plate and base upper edge is coincide bonding.
5. isolator for double regidity rail according to claim 1 is characterized in that: above-mentioned base inner ring surface has an oval ring collet, between the soffit of above-mentioned rubber ring and the oval ring collet gap is arranged.
6. isolator for double regidity rail according to claim 1 or 5, it is characterized in that: the soffit and the gap between the collet of above-mentioned rubber ring are 2-4mm.
7. the rubber ring of isolator for double regidity rail according to claim 1 is characterized in that:
The material mixture ratio of rubber ring is by weight:
100 parts of rubber, zinc oxide 3-10 part, light magnesium oxide 0-10 part, stearic acid 1-3 part, age resistor 3-5 part, semi-reinforcing carbon black or high abrasion carbon black or the mixture 30-70 part of the two, plasticizing agent 0-5 part, captax 3-5 part, sulphur 0-1.5 part.
8. the rubber ring of isolator for double regidity rail according to claim 1 is characterized in that:
The material mixture ratio of rubber ring is by weight:
100 parts of rubber, zinc oxide 3-10 part, light magnesium oxide 0-10 part, stearic acid 1-3 part, 1 part of antioxidant D, antioxidant 4010NA 1-3 part, 1 part of antioxidant A W, semi-reinforcing carbon black or high abrasion carbon black or the mixture 30-70 part of the two, plasticizing agent 0-5 part, 0.5 part of captax, accelerator TT 1.5-3 part, accelerant N A-22 0-1 part, sulphur 0-1.5 part.
9. according to the rubber ring of claim 7 or 8 described isolator for double regidity rail, it is characterized in that: the rubber of above-mentioned rubber ring is 100% the natural rubber or the blend of 70-95% natural rubber and 5-30% neoprene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005102007881A CN100430553C (en) | 2005-12-12 | 2005-12-12 | Isolator for double regidity rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005102007881A CN100430553C (en) | 2005-12-12 | 2005-12-12 | Isolator for double regidity rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793511A CN1793511A (en) | 2006-06-28 |
| CN100430553C true CN100430553C (en) | 2008-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005102007881A Active CN100430553C (en) | 2005-12-12 | 2005-12-12 | Isolator for double regidity rail |
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| CN (1) | CN100430553C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509216B (en) * | 2009-03-26 | 2012-10-10 | 江阴海达橡塑股份有限公司 | High-spring vibration reduction iron backing plate |
| CN102492185A (en) * | 2011-12-06 | 2012-06-13 | 云南震安减震技术有限公司 | Protective rubber for surface of vibration-isolating rubber supporting seat |
| CN104592570A (en) * | 2015-01-09 | 2015-05-06 | 芜湖航天特种电缆厂 | Corrosion-resistant rubber jacket as well as preparation method and application thereof |
| 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 |
| CN107905042B (en) * | 2017-11-28 | 2023-12-19 | 成都卓控环保科技有限公司 | Side displacement restraining device for detachable steel rail vibration reduction fastener |
| CN108494360A (en) * | 2018-04-13 | 2018-09-04 | 江西新赣能光伏科技有限公司 | Photovoltaic plant is idle zero energy-consuming device |
| CN111663378A (en) * | 2020-06-19 | 2020-09-15 | 无锡圣丰减震器有限公司 | Urban rail transit line turnout shock absorber |
| CN112048946B (en) * | 2020-08-21 | 2022-02-11 | 江苏麒浩精密机械股份有限公司 | Noise reduction vibration isolator for subway |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045756U (en) * | 1989-01-18 | 1989-10-11 | 北京市城市建设工程设计院 | Track shock absorber |
| JPH01315501A (en) * | 1988-06-14 | 1989-12-20 | Mitsuhisa Akutagawa | Soundproofing device in railway |
| CN2666982Y (en) * | 2003-11-26 | 2004-12-29 | 无锡市圣丰减震器有限公司 | Rail dampener |
-
2005
- 2005-12-12 CN CNB2005102007881A patent/CN100430553C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01315501A (en) * | 1988-06-14 | 1989-12-20 | Mitsuhisa Akutagawa | Soundproofing device in railway |
| CN2045756U (en) * | 1989-01-18 | 1989-10-11 | 北京市城市建设工程设计院 | Track shock absorber |
| CN2666982Y (en) * | 2003-11-26 | 2004-12-29 | 无锡市圣丰减震器有限公司 | Rail dampener |
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| Publication number | Publication date |
|---|---|
| CN1793511A (en) | 2006-06-28 |
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Owner name: BEIJING URBAN CONSTRUCTION DESIGN DEVELOPMENT GROU Free format text: FORMER NAME: BEIJING URBAN ESTABLISHING DESIGN + RESEARCH INSTITUTE CO., LTD. |
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Address after: 100037 Beijing, Fuchengmen, North Street, No. 5, No. Patentee after: BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO., LIMITED Address before: 100037 Beijing, Fuchengmen, North Street, No. 5, No. Patentee before: Beijing Urban Establishing Design & Research Institute Co., Ltd. |