CN2461947Y

CN2461947Y - Integrally insulated jointbar

Info

Publication number: CN2461947Y
Application number: CN 01201128
Authority: CN
Inventors: 丁文彬; 张殿义; 翟义甲
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-15
Filing date: 2001-01-15
Publication date: 2001-11-28
Anticipated expiration: 2011-01-15

Abstract

The utility model relates to an integrally insulated jointbar, which is formed by that non-alkali no-twist fiberglass is dipped into epoxy resin and other chemical materials to be extruded and drawn to form a mould. The right side of the utility model is vertical to an axial lead. The left side, the upper surface and the lower surface of the utility model are respectively matched with a rail waist, the bottom surface of a rail head and the top surface of a rail bottom. Installation holes for assembling the utility model and rails are arranged on the length direction of the jointbar. The utility model has the advantages of high strength, good insulated performance and long service life. Because the utility model is the integrally insulated jointbar, the utility model omits a groove-shaped insulator in well-know technology, simplifies an insulated structure of group rail jointbars and enhances the stability of the fastening of the rails.

Description

A kind of integral insulation splice bar

The utility model relates to a kind of rail splice, and especially a kind of structure of rail splice insulation in groups that simplifies strengthens the fastening stability of rail, can reduce the glass fiber formed by extrusion and tension integral insulation splice bar of the maintenance cost under the high speed traveling condition.

Rail splice is a kind of device that is used to connect and fix two adjacent end of rail on railway.When two adjacent one steel rails belong to two track circuit sections, between splice bar and rail and securing member thereof, to set up groove typed insulation pad and insulation tube, to guarantee the insulation between adjacent two track circuit sections.What early stage light-duty splice bar had is direct with insulation materials (for example hardwood) making.Although the splice bar by the hardwood integral manufacturing has flooded insulating paint, the wood materials water imbibition is very strong, and its insulating properties are relatively poor.And the wood materials mechanical strength is low, and is not wear-resisting, is easy to damage under wheel repeated stock effect.At present, usually adopt steel ones, and between rail, to set up groove typed insulation, and being integral by bolton, groove typed insulation is many to be made by engineering plastics, about 5 millimeters of thickness, because nylon plastic(s) has faint water imbibition, and mechanical strength is not high, the time damage arranged, for guaranteeing the insulating properties of track circuit, groove typed insulation is wanted periodic inspection and replacing.

More than the shortcoming that exists of the splice bar of two kinds of structures, when train is run at high speed, seem more outstanding.

The purpose of this utility model is in order to overcome above-mentioned shortcoming, and proposes a kind of integral insulation splice bar, the integral insulation splice bar of the glass fiber formed by extrusion and tension of especially a kind of intensity height, good insulation preformance, long service life.

The purpose of this utility model is achieved in that the integral insulation splice bar is a kind of by the integral insulation splice bar of the non-twist glass fiber of alkali-free through immersion epoxy resin and other industrial chemicals formed by extrusion and tension, its right flank and axial line are perpendicular, its left surface and above and below are complementary with the web of the rail, rail head bottom surface, flange of rail end face respectively, and are provided with the installing hole of assembling usefulness with rail on described splice bar length direction.

Integral insulation splice bar intensity height, good insulation preformance, the long service life that the utility model proposes by alkali-free non-twist glass fiber process immersion epoxy resin and other industrial chemicals formed by extrusion and tension, owing to be whole splice bar, saved the channel insulation body in the known technology, simplify the structure of rail splice insulation in groups, strengthened the fastening stability of rail.

Concrete structure of the present utility model is provided by following drawings and Examples.

Fig. 1 is the front view according to a kind of integral insulation splice bar that the utility model proposes;

Fig. 2 is the lateral view according to a kind of integral insulation splice bar that the utility model proposes;

Fig. 3 is the scheme of installation according to a kind of integral insulation splice bar that the utility model proposes.

Below in conjunction with accompanying drawing and most preferred embodiment the concrete structure that the utility model proposes is further described.

As shown in Figures 1 to 3, the integral insulation splice bar 1 that the utility model proposes is a kind of glass fiber formed by extrusion and tension integral insulation splice bar, as shown in Figure 2, its right flank 2 is perpendicular with axial line 3, its left surface and above and below 8,9 are complementary with the web of the rail, rail head bottom surface 10, flange of rail end face 11 respectively, and are provided with the installing hole 4 of assembling usefulness with rail on described splice bar length direction.

Described whole splice bar 1 is to immerse epoxy resin and other industrial chemicals by the non-twist fibre glass roving of alkali-free through special equipment, squeeze to draw and to be heating and curing and form, its section configuration and rail web of the rail portion are complementary, is the non-individual body with the splice bar stock in this rail type cross section by mould by the special equipment formed by extrusion and tension, stock is processed into the length size of regulation by this rail type designing requirement, reprocess out six holes 4 of assembling usefulness with rail, finally form a complete integral insulation splice bar 1.

During use, as shown in Figure 3, respectively be provided with an above-mentioned splice bar 1 in the and arranged on left and right sides of rail, their cross section can be identical, also can be different, two relative splice bars 1 are tightened together together with rail 7 by six roots of sensation bolt 5, respectively are lined with a backing plate 6 in the outside of left and right sides splice bar.

The whole splice bar of the glass fiber formed by extrusion and tension that the utility model proposes has very high mechanical performance, its tensile strength 6 _b〉=80Kgf/mm ², the steel ones that has been up to state standards equality strength, thus the positive connection of splice bar guaranteed to rail; This splice bar integral body is made by insulation materials, its thickness is more than 40 millimeters, be 8 times of groove typed insulation thickness (5 millimeters of less thaies) of old-fashioned steel ones, this has just significantly reduced sewing of overcast and rainy track circuit electric current, has improved the insulating properties of track circuit; Because splice bar integral body of the present utility model has insulating properties, need not to establish in addition insulating layer, thereby simplified the structure of rail splice insulation in groups, strengthened the stability fastening with rail; And this splice bar has good resistance to chemical attack characteristic, still can keep good electrical insulation properties under long-term wet environment, thereby long working life.

Claims

1, a kind of integral insulation splice bar, it is characterized in that: described integral insulation splice bar is a kind of by the integral insulation splice bar of the non-twist glass fiber of alkali-free through immersion epoxy resin and other industrial chemicals formed by extrusion and tension, its right flank and axial line are perpendicular, its left surface and above and below are complementary with the web of the rail, rail head bottom surface, flange of rail end face respectively, and are provided with the installing hole of assembling usefulness with rail on described splice bar length direction.