Anchorage device for overhead steel-aluminum composite rail power supply system

By dispersing the thrust generated by the expansion of the steel-aluminum composite rail through the anchoring suspension mechanism, the problem of weak stress on the cantilever structure support is solved, and the stability and safety of the overhead steel-aluminum composite rail power supply system are improved.

CN224348791UActive Publication Date: 2026-06-12天津益昌电气设备股份有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
天津益昌电气设备股份有限公司
Filing Date
2025-08-06
Publication Date
2026-06-12

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Abstract

This utility model discloses an anchoring device for an overhead steel-aluminum composite rail power supply system, including a steel-aluminum composite rail, a suspension bracket, and a central anchoring mechanism. The central anchoring mechanism includes an anchoring body and a bolt assembly. An anchoring suspension mechanism includes an insulating rod, adjusting screws, and a lower anchor base. This novel anchoring device for an overhead steel-aluminum composite rail power supply system disperses the thrust generated by the expansion of the steel-aluminum composite rail on the suspension bracket through the anchoring suspension mechanism, improving the stress distribution on the suspension bracket and significantly enhancing the stability of the entire overhead steel-aluminum composite rail power supply system.
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Description

Technical Field

[0001] This utility model belongs to the technical field of railway transportation equipment, specifically relating to an anchoring device for an overhead steel-aluminum composite rail power supply system. Background Technology

[0002] A conventional steel-aluminum composite rail power supply system is typically installed alongside the track. The train obtains power by contacting the steel-aluminum composite rail through a current collector. The system comprises the steel-aluminum composite rail, standard joints, expansion joints, a center anchor, end elbows, and cable connection plates. The center anchor is a crucial component of the system, generally installed on both sides of the rail support to prevent uneven movement of the rail towards both ends.

[0003] The overhead steel-aluminum composite rail power supply system was developed to improve the abnormal wear between the pantograph and the contact wire. The steel-aluminum composite rail is suspended above the tunnel ceiling, drawing power through friction with the pantograph. In this system, the steel-aluminum composite rail support is a cantilever structure, with a much lower load-bearing capacity than traditional ground-mounted supports. If a conventional center anchoring device is used, the thrust generated by the expansion of the steel-aluminum composite rail accumulates entirely at the support. Since the overhead steel-aluminum composite rail support is a cantilever structure with weak load-bearing capacity, it is prone to tilting, posing a safety hazard. Summary of the Invention

[0004] This utility model addresses the safety hazards of existing center anchoring devices installed in overhead steel-aluminum composite rail power supply systems by proposing an anchoring device for overhead steel-aluminum composite rail power supply systems.

[0005] This utility model discloses an anchoring device for an overhead steel-aluminum composite rail power supply system. Its structure includes: a steel-aluminum composite rail 1, a suspension bracket 2, a central anchoring mechanism 3, and an anchoring suspension mechanism 4. The bottom of the steel-aluminum composite rail 1 is connected to the suspension bracket 2. The central anchoring mechanism 3 is installed on the bottom of the steel-aluminum composite rail 1 and is placed on both sides of the suspension bracket 2. One side of the anchoring suspension mechanism 4 is connected to the central anchoring mechanism 3, and the other side is fixed in concrete.

[0006] The central anchoring mechanism 3 includes an anchoring body 301 and a bolt assembly 302. The anchoring body 301 is provided with a groove that matches the bottom of the steel-aluminum composite rail 1. Two anchoring bodies 301 are provided, which are respectively locked on both sides of the bottom of the steel-aluminum composite rail 1 and aligned, and locked by the bolt assembly 302.

[0007] The anchor suspension mechanism 4 includes an insulating rod 401, an adjusting screw 402, and a lower anchor base 403. One end of the insulating rod 401 is connected to the anchor body 301, and the other end is connected to the adjusting screw 402. The adjusting screw 402 is connected to the lower anchor base 403.

[0008] The beneficial effects of this utility model are as follows: Conventional center anchoring devices are installed on both sides of the steel-aluminum composite rail support to prevent the steel-aluminum composite rail from moving unevenly to both ends. The thrust generated by the expansion of the steel-aluminum composite rail is accumulated at the support through the center anchor. However, the overhead steel-aluminum composite rail support is a cantilever structure, and its stress capacity is much smaller than that of the traditional steel-aluminum composite rail support installed on the ground. This makes it impossible to use conventional center anchoring devices in overhead steel-aluminum composite rail power supply systems. This utility model uses the anchor suspension mechanism to disperse the thrust accumulated on the suspension support due to the expansion of the steel-aluminum composite rail, improves the stress situation of the suspension support, and greatly improves the stability of the entire overhead steel-aluminum composite rail power supply system. Attached Figure Description

[0009] Figure 1 This is a diagram of an anchoring device for an overhead steel-aluminum composite rail power supply system according to this utility model.

[0010] Figure 2 This is a schematic diagram of the central anchoring mechanism of an overhead steel-aluminum composite rail power supply system according to this utility model.

[0011] Figure 3 This is a schematic diagram of the anchorage suspension mechanism of an overhead steel-aluminum composite rail power supply system according to this utility model.

[0012] In the diagram, 1-steel-aluminum composite rail, 2-suspension bracket, 3-central anchoring mechanism, 301-anchoring body, 302-bolt assembly, 4-anchoring suspension mechanism, 401-insulating rod, 402-adjusting screw, 403-lower anchor base. Detailed Implementation

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0014] according to Figure 1-3 As shown, an overhead steel-aluminum composite rail power supply system includes: a steel-aluminum composite rail 1, a suspension bracket 2, and a central anchoring mechanism 3. The central anchoring mechanism 3 includes an anchoring body 301 and a bolt assembly 302. The anchoring body 301 has a groove that matches the bottom of the steel-aluminum composite rail 1. Two anchoring bodies 301 are provided, which are respectively clamped on both sides of the bottom of the steel-aluminum composite rail 1 and aligned, and locked by the bolt assembly 302. An anchoring suspension mechanism 4 includes an insulating rod 401, an adjusting screw 402, and a lower anchor base 403. One end of the insulating rod 401 is connected to the anchoring body 301, and the other end is connected to the adjusting screw 402. The adjusting screw 402 is connected to the lower anchor base 403. The bottom of the steel-aluminum composite rail 1 is connected to the suspension bracket 2. The central anchoring mechanism 3 is installed on the bottom of the steel-aluminum composite rail 1 and is placed on both sides of the suspension bracket 2. One side of the anchoring suspension mechanism 4 is connected to the central anchoring mechanism 3, and the other side is fixed in concrete.

[0015] By utilizing the anchor suspension mechanism to disperse the thrust accumulated on the suspension support due to the expansion of the steel-aluminum composite rail, the stress situation of the suspension support is improved, which greatly enhances the stability of the entire overhead steel-aluminum composite rail power supply system.

[0016] The embodiments described above are merely illustrative of the implementation of this utility model, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An anchoring device for an overhead steel-aluminum composite rail power supply system, characterized in that, include: The steel-aluminum composite rail (1), the suspension bracket (2), the central anchoring mechanism (3) and the anchoring suspension mechanism (4) are provided. The bottom of the steel-aluminum composite rail (1) is connected to the suspension bracket (2). The central anchoring mechanism (3) is installed on the bottom of the steel-aluminum composite rail (1) and is placed on both sides of the suspension bracket (2). One side of the anchoring suspension mechanism (4) is connected to the central anchoring mechanism (3) and the other side is fixed in the concrete.

2. The anchoring device for an overhead steel-aluminum composite rail power supply system according to claim 1, characterized in that... The central anchoring mechanism (3) includes an anchoring body (301) and a bolt assembly (302). The anchoring body (301) is provided with a groove that matches the bottom of the steel-aluminum composite rail (1). Two anchoring bodies (301) are provided, which are respectively clamped on both sides of the bottom of the steel-aluminum composite rail (1) and aligned, and locked by the bolt assembly (302).

3. The anchoring device for an overhead steel-aluminum composite rail power supply system according to claim 1, characterized in that... The anchor suspension mechanism (4) includes an insulating rod (401), an adjusting screw (402), and a lower anchor base (403). One end of the insulating rod (401) is connected to the anchor body (301), and the other end is connected to the adjusting screw (402). The adjusting screw (402) is connected to the lower anchor base (403).