CN216507995U - Cantilever supporting device for electrified railway contact network - Google Patents
Cantilever supporting device for electrified railway contact network Download PDFInfo
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- CN216507995U CN216507995U CN202122201714.7U CN202122201714U CN216507995U CN 216507995 U CN216507995 U CN 216507995U CN 202122201714 U CN202122201714 U CN 202122201714U CN 216507995 U CN216507995 U CN 216507995U
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Abstract
The utility model discloses a cantilever supporting device of an electrified railway contact network. The supporting device parts adopted on the electrified railway contact net are all made of metal materials, and an insulator needs to be additionally arranged between the supporting device and the supporting column to realize electric insulation. The integrated flat cantilever, the integrated inclined cantilever and the composite supporting tube form a triangular connection structure, the core rod is made of composite materials, and the surface of the core rod is coated with the silicone rubber sheath. The utility model can be used for electrified railway contact networks with different speed grades, and can also be used for flexible contact networks of urban rail transit; the creepage distance is increased, and the insulating property is enhanced; the consumption of metal materials is less, energy is saved, the environment is protected, and the environmental pollution caused by hot dip galvanizing of steel is avoided.
Description
Technical Field
The utility model relates to the technical field of electrified railway contact networks, in particular to a cantilever supporting device of an electrified railway contact network.
Background
The contact net is a device for supplying power to an electric locomotive on an electrified railway line and mainly comprises a contact suspension, a supporting device, a positioning device, a support and a foundation. The contact suspension mainly comprises a carrier cable, a contact wire and a hanger, and the main function of the contact suspension is to transmit electric energy to a locomotive. The support device is fixed on the pillar for supporting the contact suspension and plays a role of transferring load.
The supporting device usually adopted on the electrified railway contact net consists of a flat cantilever, an inclined cantilever, a cantilever support, double sleeves and ears, a messenger wire seat and a supporting pipe clip. The supporting device parts are made of metal materials, and insulators need to be additionally arranged between the supporting device and the supporting columns to realize electrical insulation.
Disclosure of Invention
In order to make up for the defects of the prior art, the utility model provides the cantilever supporting device of the overhead contact system of the electrified railway, which can realize the mechanical supporting function and simultaneously meet the electrical insulation requirement.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a cantilever supporting device of an electrified railway contact network comprises an integral flat cantilever, an integral inclined cantilever and a composite supporting tube;
the integral flat cantilever comprises an integral cantilever core rod, and a silicon rubber sheath is coated on the outer surface of the integral cantilever core rod; the first end of the integral type cantilever core rod is fixedly connected with an integral type cantilever metal accessory; an umbrella skirt is arranged at the first end of the integral type cantilever core rod and is arranged on the outer surface of the silicon rubber sheath;
the integral type inclined cantilever comprises an integral type cantilever core rod, and a silicon rubber sheath is coated on the outer surface of the integral type cantilever core rod; the first end of the integral type cantilever core rod is fixedly connected with an integral type cantilever metal accessory, and the second end of the integral type cantilever core rod is fixedly connected with an integral type inclined cantilever metal accessory; an umbrella skirt is arranged at the first end of the integral type cantilever core rod and is arranged on the outer surface of the silicon rubber sheath;
the composite supporting tube comprises a composite supporting tube core rod, the outer surface of the composite supporting tube core rod is coated with a silicone rubber sheath, and two ends of the composite supporting tube core rod are fixedly connected with composite supporting tube metal accessories;
the second end of the integral type flat cantilever is connected with the combined messenger wire seat in an anchor ear mode, and the second end of the integral type inclined cantilever is connected with double lugs on the combined messenger wire seat through pins; two ends of the composite supporting tube are respectively connected with the first end of the integral type flat cantilever and the first end of the integral type inclined cantilever through connecting pieces; the integral flat cantilever, the integral inclined cantilever and the composite supporting tube form a triangular connecting structure.
Specifically, the connecting piece is connected with the integral flat cantilever and the integral inclined cantilever in a crimping or hoop mode.
The utility model has the beneficial effects that:
1) the utility model can be used for electrified railway contact networks with different speed grades, and can also be used for flexible contact networks of urban rail transit;
2) the core rod is made of composite materials, so that the creepage distance of the supporting device is increased, and the insulating property is enhanced;
3) the surface of the core rod is coated with the silicon rubber sheath, so that the core rod has good stain resistance and strong corrosion resistance;
4) the utility model has compact structural design, integral assembly and convenient installation; the weight is light, and the transportation, installation, operation and maintenance costs are low; the consumption of metal materials is less, energy is saved, the environment is protected, and the environmental pollution caused by hot dip galvanizing of steel is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the integral wrist flat configuration of the present invention;
FIG. 3 is a view of an integrated oblique wrist configuration;
FIG. 4 is a composite support tube construction diagram;
FIG. 5 is a structural view of a core rod coated with a silicone rubber sheath;
in the figure, 1-integral flat cantilever, 2-connecting piece, 3-combined messenger wire seat, 4-composite supporting tube, 5-integral inclined cantilever, 6-integral cantilever metal accessory, 7-umbrella skirt, 8-silicon rubber sheath, 9-integral cantilever mandrel, 10-integral inclined cantilever metal accessory, 11-composite supporting tube metal accessory and 12-composite supporting tube mandrel.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention. As shown in fig. 1, the integral flat cantilever 1, the integral inclined cantilever 5 and the composite support tube 4 form a triangular connection structure;
as shown in figure 2 of the present invention one-piece wrist flat configuration,
the integral type flat cantilever 1 comprises an integral type cantilever core rod 9, the integral type cantilever core rod 9 is made of a glass fiber reinforced composite material solid bar or a hollow pipe, the diameter and the wall thickness of the integral type cantilever core rod are determined according to actual conditions, and the glass fiber reinforced composite material has excellent insulating property, low density, high strength and good fatigue resistance; the outer surface of the integral cantilever core rod 9 is coated with a silicon rubber sheath 8 which plays roles of preventing fouling, aging and protecting the core rod, and the thickness is determined according to actual conditions; the first end of the integral type cantilever core rod 9 is pressed with an integral type cantilever metal accessory 6, and the mode can be an adhesive bonding or pre-embedding mode; the first end of the integral type cantilever core rod 9 is provided with an umbrella skirt 7, and the umbrella skirt 7 is arranged on the outer surface of the silicon rubber sheath 8; the umbrella skirt 7 is made of silicon rubber, has the functions of increasing creepage distance and improving surface pollution flashover voltage level, and has a main insulation function; the number of the umbrella skirts can be determined according to the actual creepage distance and the voltage grade;
the integral type inclined cantilever 5 comprises an integral type cantilever core rod 9, and a silicon rubber sheath 8 is coated on the outer surface of the integral type cantilever core rod 9; the first end of the integral type cantilever core rod 9 is fixedly connected with an integral type cantilever metal accessory 6, and the second end of the integral type cantilever core rod 9 is fixedly connected with an integral type inclined cantilever metal accessory 10; the first end of the integral type cantilever core rod 9 is provided with an umbrella skirt 7, and the umbrella skirt 7 is arranged on the outer surface of the silicon rubber sheath 8;
the composite support tube 4 comprises a composite support tube core rod 12, the composite support tube core rod 12 is a glass fiber reinforced composite solid rod or a hollow tube, and the diameter and the wall thickness of the composite support tube core rod are determined according to actual conditions; the outer surface of the composite supporting tube core rod 12 is coated with a silicon rubber sheath 8, and two ends of the composite supporting tube core rod 12 are fixedly connected with composite supporting tube metal accessories 11;
the second end of the integral type flat cantilever 1 is connected with the combined messenger wire seat 3 in an anchor ear mode, and the second end of the integral type inclined cantilever 5 is connected with double lugs on the combined messenger wire seat 3 through pins; two ends of the composite supporting tube 4 are respectively connected with the first end of the integral flat cantilever 1 and the first end of the integral inclined cantilever 5 through connecting pieces 2; the connecting piece 2 is connected with the integral flat cantilever 1 and the integral inclined cantilever 5 in a crimping or hoop mode; the composite supporting tube 4 is connected with the connecting piece 2 through a pin; the metal accessories and connectors can be made of cast steel, stainless steel or aluminum alloy.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model is not limited to the examples, and any equivalent changes to the technical solution of the utility model by a person skilled in the art after reading the description of the utility model are covered by the claims of the utility model.
Claims (2)
1. The utility model provides an electronic railway connecting net cantilever strutting arrangement which characterized in that: comprises an integral flat cantilever (1), an integral inclined cantilever (5) and a composite supporting tube (4);
the integral flat cantilever (1) comprises an integral cantilever core rod (9), and the outer surface of the integral cantilever core rod (9) is coated with a silicon rubber sheath (8); the first end of the integral type cantilever core rod (9) is fixedly connected with an integral type cantilever metal accessory (6); the first end of the integral type cantilever core rod (9) is provided with an umbrella skirt (7);
the integral type inclined cantilever (5) comprises an integral type cantilever core rod (9), and the second end of the integral type cantilever core rod (9) is fixedly connected with an integral type inclined cantilever metal accessory (10);
the composite support tube (4) comprises a composite support tube core rod (12), the outer surface of the composite support tube core rod (12) is coated with a silicone rubber sheath (8), and two ends of the composite support tube core rod (12) are fixedly connected with composite support tube metal accessories (11);
the second end of the integral type flat cantilever (1) is connected with the combined messenger wire seat (3) in an anchor ear mode, and the second end of the integral type inclined cantilever (5) is connected with double lugs on the combined messenger wire seat (3) through pins; two ends of the composite supporting tube (4) are respectively connected with the first end of the integral flat cantilever (1) and the first end of the integral inclined cantilever (5) through connecting pieces (2); the integral flat cantilever (1), the integral inclined cantilever (5) and the composite supporting tube (4) form a triangular connection structure.
2. The electrified railway contact network cantilever support device of claim 1, wherein: the connecting piece (2) is connected with the integral flat cantilever (1) and the integral inclined cantilever (5) in a crimping or hoop mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122201714.7U CN216507995U (en) | 2021-09-10 | 2021-09-10 | Cantilever supporting device for electrified railway contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122201714.7U CN216507995U (en) | 2021-09-10 | 2021-09-10 | Cantilever supporting device for electrified railway contact network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216507995U true CN216507995U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122201714.7U Active CN216507995U (en) | 2021-09-10 | 2021-09-10 | Cantilever supporting device for electrified railway contact network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216507995U (en) |
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2021
- 2021-09-10 CN CN202122201714.7U patent/CN216507995U/en active Active
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