CN100503307C - Elastic composite insulator for overhead rigid contact network - Google Patents
Elastic composite insulator for overhead rigid contact network Download PDFInfo
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- CN100503307C CN100503307C CNB2007100701073A CN200710070107A CN100503307C CN 100503307 C CN100503307 C CN 100503307C CN B2007100701073 A CNB2007100701073 A CN B2007100701073A CN 200710070107 A CN200710070107 A CN 200710070107A CN 100503307 C CN100503307 C CN 100503307C
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- composite insulator
- rigid contact
- contact network
- elastic composite
- plug
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Abstract
The present invention relates to one kind of elastic composite insulator for overhead rigid contact network in railway tunnel, and belongs to the field of electric railway contact line technology. The composite insulator includes one sheath skirt, one mandrel filled with epoxy resin and screw bolt for fixing on steel beam in tunnel, one bus locating clamp of stainless steel or copper, and one barrel in the top of the bus locating clamp with outer wall combined tightly with the inner wall of the sheath skirt, and one elastic rubber layer between the inner wall of the barrel and the mandrel. The present invention can absorb the impact energy of pantograph, prevent offline and arcing of pantograph, ensure the smooth running of pantograph, reduce wear of the contact line and prolong the service life of the pantograph and contact line.
Description
Technical field:
The present invention relates to a kind of elastic composite insulator for overheat rigid contact network that in the tunnel, uses, belong to the electrification railway contact net field.
Background technology:
Elastic composite insulator for overheat rigid contact network is used for fixing, rigidity of support contact system bus duct, and along with the fast development of Construction of Urban Rail Traffic, the rigidity overhead contact line is because its advantage such as non-maintaining replaces the trend of the times of flexible overhead contact line.Rigid contact net is to adopt the rigid support insulator to be installed on the channel beam of tunnel top, the existing insulator that is used for fixing the overheat rigid contact network bus duct is a ceramic material, it axially, rigidity radially is all bigger, help supporting, fixing bus duct, but form hard spot easily at the customization point place, contact wire and the more flexible contact system of pantograph abrasion of finding the rigid mount abortive haul in actual moving process are even more serious, strengthen the abrasion of contact wire, can produce arcing when serious, shorten the service life of contact wire, increased the maintenance cost of contact system.
Summary of the invention:
The purpose of this invention is to provide a kind of can be effectively and reduce the elastic composite insulator for overheat rigid contact network of the impact of the abrasion of overheat rigid contact network and pantograph reliably.
Design philosophy of the present invention is to reduce the impact acceleration of pantograph to overheat rigid contact network, under the prerequisite that guarantees the insulator radial rigidity, increases the axial elasticity of insulator.The object of the invention can be finished by the following technical programs:
A kind of elastic composite insulator for overheat rigid contact network, comprise umbrella sheath, the filling epoxy resin plug is connected with and is used for and the fixing bolt of tunnel girder steel, it is characterized in that bus duct steady ear top is provided with cylindrical shell, be shaped on rubber elastic layer between this cylinder inboard wall and the plug, this cylinder body outer wall and umbrella sheath inwall are combined closely with combining closely.
The cylindrical shell at described bus duct steady ear and top thereof is made into integration, or cylindrical shell is fixedly mounted on bus duct steady ear top; Bus duct steady ear, cylindrical shell are made by corrosion-resistant steel or copper material.
Described cylinder inboard wall and plug are used the vulcanization of rubber again as interior externally inlaid part, the rubber elastic layer that formation and cylinder inboard wall, plug are combined closely.
Described cylinder body outer wall forms the silaatic umbrella sheath of combining closely with cylinder body outer wall as the vulcanization of rubber of embedded component recycle silicon.
The axle center of described plug is embedded and is used for and the fixing bolt of tunnel girder steel; The described bolt part site surface that is embedded in the filling epoxy resin plug is made male and fomale(M﹠F); Male and fomale(M﹠F) is made on the surface of described filling epoxy resin plug; The surfaces externally and internally of described cylindrical shell forms exasperate through crude processing.
The present invention is shaped on rubber elastic layer between the cylinder inboard wall at corrosion-resistant steel or copper bus-bar steady ear top and plug, having satisfied at working load is the radially big rigidity of insulator under the 6000N condition, axially high resiliency and the high requirement of the class of insulation.When pantograph operation process insulator place, the bus duct steady ear is subjected to upwards retraction of rubber elastic layer restoring force, absorbed the impact energy of pantograph, make " hard spot " not hard, reduce the abrasion of overheat rigid contact network and the impact of pantograph effectively, reliably, can eliminate block of bow collector of electric locomotive by the time off-line and the arcing phenomenon that produce, make that the pantograph operation is more steady, flowed respond wellly, the wearing and tearing of lowering contact wire have prolonged service life of pantograph and contact wire.
Description of drawings
Fig. 1 is the upward view of the embodiment of the invention.
Fig. 2 is the A-A section drawing of Fig. 1.
Fig. 3 is the section drawing of another embodiment of the present invention.
The specific embodiment
With reference to Fig. 1, Fig. 2, the overheat rigid contact network elastic composite insulator that is used for electrified railway, make umbrella sheath 2 by silaatic, the axle center of filling epoxy resin (also claiming glass-felt plastic) plug 4 is embedded and is used for and the fixing bolt 1 of the girder steel that is packed in top in the tunnel, bolt 1 is made the concavo-convex cylinder shape with multiple tracks annular groove with the binding site surface of fiber reinforced plastics rod 4, so that both are inseparable in the nominal force scope.External diameter, vertical cylindrical shell 5 of cooperating with umbrella sheath internal diameter, interior height of height are made in the top of bus duct steady ear 6, and wire clamp 6 and cylindrical shell 5 are made one by corrosion-resistant steel.Be shaped on rubber elastic layer 3 between this cylinder inboard wall and the plug, this caoutchouc elasticity layer thickness is 10-65mm.When making, at first the surface of plug 4 is made the concavo-convex cylinder shape of multiple tracks ring rib, again with cylindrical shell 5 inwalls and plug 4 as the interior externally inlaid part vulcanization of rubber, making rubber elastic layer 3 solidify the back combines closely with inwall, the plug 4 of cylindrical shell 5, so that rubber elastic layer 3 is inseparable with the interior top of cylindrical shell 5, plug 4 and umbrella sheath 2 in the nominal force scope, elastomeric material is made by soft, high strength, low creep, ageing-resistant requirement, to guarantee service life.Then with stainless steel cylinder 5 outer walls as the vulcanization of rubber of embedded component recycle silicon, form the silaatic umbrella sheath 2 of combining closely with cylinder body outer wall.For guaranteeing the mortise of bus duct steady ear 6 and cylindrical shell 5 thereof and umbrella sheath 2 and rubber elastic layer 3, elder generation carries out crude processing to form exasperate with the surfaces externally and internally of cylindrical shell 5 before sulfuration, and the axial collapse power of insulator reaches more than the 50kN.
With reference to Fig. 3 another embodiment of the present invention, cylindrical shell 5 and the 6 discrete making of bus duct steady ear, it is inverted cup-shaped that cylindrical shell 5 is, its end face center has through hole, bolt 1 with flat head 11 passes from through hole from bottom to top, plug 4 bottom centre are embedded nut, and the bolt 61 that bus duct steady ear top is shaped on is fastening with this nut.
The present invention is when running condition, the deadweight load action of bus duct and contact wire, make the rubber elastic layer 3 of elastic composite insulator be in the longitudinal stretching state, when this insulator place of pantograph operation process, the bus duct steady ear is subjected to the moment upward pressure of pantograph in the train operation, rubber elastic layer is retraction upwards, and external force is in case disappear reinstatement again at once.And because the coating effect of cylindrical shell 5, radially deformation does not take place in rubber elastic layer, insulator radially still be in rigid state.
Claims (9)
1, a kind of elastic composite insulator for overheat rigid contact network, comprise umbrella sheath (2), filling epoxy resin plug (4) is connected with and is used for and the fixing bolt (1) of tunnel girder steel, it is characterized in that bus duct steady ear (6) top is provided with cylindrical shell (5), be shaped on rubber elastic layer (3) between this cylinder inboard wall and the plug, this cylinder body outer wall and umbrella sheath inwall are combined closely with combining closely.
2, elastic composite insulator for overheat rigid contact network according to claim 1 is characterized in that the cylindrical shell at bus duct steady ear and top thereof is made into integration, or cylindrical shell is fixedly mounted on bus duct steady ear top; Bus duct steady ear, cylindrical shell are made by corrosion-resistant steel or copper material.
3, elastic composite insulator for overheat rigid contact network according to claim 1 and 2 is characterized in that cylinder inboard wall and plug are as the interior externally inlaid part vulcanization of rubber, the rubber elastic layer that formation and cylinder inboard wall, plug are combined closely.
4, elastic composite insulator for overheat rigid contact network according to claim 1 and 2 is characterized in that cylinder body outer wall as the embedded component silicon rubber vulcanization, forms the silaatic umbrella sheath of combining closely with cylinder body outer wall.
5, elastic composite insulator for overheat rigid contact network according to claim 1, the axle center that it is characterized in that plug are embedded and are used for and bolt that the tunnel girder steel is fixing.
6, elastic composite insulator for overheat rigid contact network according to claim 5 is characterized in that being embedded at the interior bolt part site surface of filling epoxy resin plug and makes male and fomale(M﹠F).
7, elastic composite insulator for overheat rigid contact network according to claim 1 is characterized in that male and fomale(M﹠F) is made on the surface of filling epoxy resin plug.
8, elastic composite insulator for overheat rigid contact network according to claim 2 is characterized in that the surfaces externally and internally of corrosion-resistant steel or copper cylindrical shell forms exasperate through crude processing.
9, elastic composite insulator for overheat rigid contact network according to claim 1, the thickness that it is characterized in that rubber elastic layer is 10-65mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100701073A CN100503307C (en) | 2007-07-20 | 2007-07-20 | Elastic composite insulator for overhead rigid contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100701073A CN100503307C (en) | 2007-07-20 | 2007-07-20 | Elastic composite insulator for overhead rigid contact network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101088801A CN101088801A (en) | 2007-12-19 |
| CN100503307C true CN100503307C (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100701073A Active CN100503307C (en) | 2007-07-20 | 2007-07-20 | Elastic composite insulator for overhead rigid contact network |
Country Status (1)
| Country | Link |
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| CN (1) | CN100503307C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740986B (en) * | 2009-12-07 | 2012-07-04 | 浙江旺隆轨道交通设备有限公司 | Self-clinching chucking busbar elastic wire clip |
| DE102014001456B4 (en) * | 2014-02-05 | 2017-12-21 | Rail Power Systems Gmbh | Fastening device for a busbar and catenary system |
| CN108973782B (en) * | 2018-07-04 | 2020-12-22 | 北京交通大学 | Rigid-flexible combined suspension contact network for urban rail transit |
| CN110789405B (en) * | 2018-08-01 | 2022-08-09 | 比亚迪股份有限公司 | Charging rail and rail transit system with same |
| CN110789406B (en) * | 2018-08-01 | 2022-08-09 | 比亚迪股份有限公司 | Charging rail and rail transit system with same |
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2007
- 2007-07-20 CN CNB2007100701073A patent/CN100503307C/en active Active
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| Publication number | Publication date |
|---|---|
| CN101088801A (en) | 2007-12-19 |
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