Simple suspension sling clamp for rail transit overhead line system

Through the safety pin connection between the first wire clip and the second wire clip, the existing suspension sling clamps have solved the problems of complex structure and loose vibration, and the effect of simplifying installation and reducing operation and maintenance costs is achieved.

CN223252803UActive Publication Date: 2025-08-22CHINA RAILWAY ENG CONSULTING GRP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422891754.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-08-22
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The existing suspension cable clamps use threaded pairs, resulting in many connections, complex construction and looseness during vibration, increasing maintenance workload and operation and maintenance costs.

Method used

The first wire clamp and the second wire clamp are fixedly connected by a safety pin to replace the threaded secondary connection. The structure is simple, the installation is convenient, the construction process is reduced, and the fatigue resistance is enhanced through the mortise and tenon structure.

Benefits of technology

It simplifies the installation process, improves construction safety, reduces the risk of metal accessories falling, reduces operation and maintenance costs, and has excellent anti-fatigue performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223252803U_ABST
    Figure CN223252803U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of rail transit, in particular to a rail transit overhead line system simple suspension sling wire clamp which comprises a first wire clamp, a second wire clamp and a safety pin. The second wire clamp and the first wire clamp are arranged on the same horizontal line, and the first wire clamp and the second wire clamp are both arranged above a contact wire; according to the utility model, the construction form of the sling clamp is simplified, the original two sets of thread pairs for fixation are changed into the mode of no thread pairs at present, the overall performance of the clamp meets the mechanical and electrical performance requirements specified by the standard, and the safety of the sling clamp is improved. A thread pair is not adopted any more, so that the overhaul and maintenance workload is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a simple suspension cable clamp for a rail transportation contact network. Background Art

[0002] Existing suspension cable clamps are connected and fixed with threaded pairs, with one set of threaded pairs fixing two clamps. This connection method has many connectors and a complex construction process. At the same time, during rail transit operation, the vibration generated will loosen the threaded pair connection, requiring frequent maintenance of the contact line suspension string clamps, resulting in a large maintenance workload and high operating and maintenance costs. Utility Model Content

[0003] The purpose of this utility model is to provide a simple suspension cable clamp for rail transit contact network to improve the above problems. In order to achieve the above purpose, the technical solution adopted by this utility model is as follows:

[0004] The present application provides a simple suspension cable clamp for a rail transit contact network, comprising a first clamp, a second clamp and a safety pin; the second clamp and the first clamp are arranged on the same horizontal line, and the first clamp and the second clamp are both arranged above the contact line; the safety pin fixedly connects the first clamp and the second clamp.

[0005] Optionally, a first Z-shaped offset is provided at one end of the first wire clamp close to the second wire clamp.

[0006] Optionally, a second Z-shaped offset is provided at one end of the second wire clamp close to the first wire clamp.

[0007] Optionally, the first Z-shaped stagger and the second Z-shaped stagger cooperate with each other.

[0008] Optionally, the side wall of the first wire clamp is provided with a first pin hole, the side wall of the second wire clamp is provided with a second pin hole, and the safety pin passes through the first pin hole and the second pin hole.

[0009] Optionally, a first hook ring is provided on a side of the first wire clamp away from the contact line, and a second hook ring is provided on a side of the second wire clamp away from the contact line, and the first hook ring and the second hook ring are arranged opposite to each other.

[0010] Optionally, a first boss is provided on the first hook ring, the first boss is provided at an end close to the second hook ring, and a first groove is provided in the middle of the first hook ring.

[0011] Optionally, a second boss is provided on the second hook ring, the second boss is provided at an end close to the first hook ring, and a second groove is provided in the middle of the second hook ring.

[0012] Optionally, the first boss cooperates with the second groove, and the second boss cooperates with the first groove.

[0013] Optionally, a third groove is provided at the bottom of each of the first wire clamp and the second wire clamp, and the contact line is provided in the third groove.

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides a first wire clamp and a second wire clamp, and then uses a safety pin to fix the first wire clamp and the second wire clamp together, replacing the threaded pair connection and fixation used in the prior art. The sling wire clamp is assembled together by clamping the main and auxiliary pieces. The structure is simple and the installation is convenient, which reduces the construction and installation process. At the same time, no threaded pair is used, and the utility model has good anti-fatigue performance.

[0016] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the embodiments of the present invention. The objectives and other advantages of the present invention can be achieved and obtained by the structures particularly pointed out in the written description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic structural diagram of a simple suspension cable clamp for a rail transit contact network described in an embodiment of the present utility model.

[0019] Figure 2 It is a top view of the simple suspension cable clamp for the rail transit contact network described in an embodiment of the present utility model.

[0020] Markings in the figure: 1, first wire clamp; 2, second wire clamp; 3, contact wire; 4, first hook ring; 5, second hook ring; 6, third groove; 7, safety pin; 8, first boss; 9, second boss. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. At the same time, in the description of this utility model, the terms "first", "second", etc. are used only to distinguish the description and should not be understood as indicating or implying relative importance.

[0023] like Figure 1 As shown, this embodiment provides a simple suspension cable clamp for a rail transit contact network, including a first clamp 1, a second clamp 2 and a safety pin 7; the second clamp 2 and the first clamp 1 are arranged on the same horizontal line, and the first clamp 1 and the second clamp 2 are both arranged above the contact line 3; the safety pin 7 fixedly connects the first clamp 1 and the second clamp 2. The existing suspension cable clamp includes 6 accessories and 2 sets of threaded pairs. The utility model is composed of only 22 components, the first clamp 1 and the second clamp, and the safety pin 7. It can be installed by crimping with special tools, which reduces the risk of metal accessories falling during on-site installation and improves construction safety.

[0024] In a specific embodiment of the present disclosure, a first Z-shaped offset is provided at one end of the first wire clamp 1 close to the second wire clamp 2, and a second Z-shaped offset is provided at one end of the second wire clamp 2 close to the first wire clamp 1, and the first Z-shaped offset and the second Z-shaped offset cooperate with each other.

[0025] In a specific embodiment of the present disclosure, a first pin hole is provided on the side wall of the first wire clamp 1, and a second pin hole is provided on the side wall of the second wire clamp 2. The safety pin 7 passes through the first pin hole and the second pin hole to fix the first wire clamp 1 and the second wire clamp 2, thereby greatly reducing the installation process.

[0026] In a specific embodiment of the present disclosure, a first hook ring 4 is provided on the side of the first wire clamp 1 away from the contact line 3, and a second hook ring 5 is provided on the side of the second wire clamp 2 away from the contact line 3. The first hook ring 4 and the second hook ring 5 are arranged opposite to each other. When the first wire clamp 1 and the second wire clamp 2 are spliced, the oppositely arranged first hook ring 4 and the second hook ring 5 together form a ring, which is directly connected to the heart-shaped ring of the sling, and the force is more optimized, avoiding stress concentration between the connecting plate and the wire clamp body in the original connection structure.

[0027] like Figure 2 As shown, in a specific embodiment of the present disclosure, a first boss 8 is provided on the first hook ring 4, and the first boss 8 is provided at the end close to the second hook ring 5. A first groove is provided in the middle of the first hook ring 4, and a second boss 9 is provided on the second hook ring 5. The second boss 9 is provided at the end close to the first hook ring 4, and a second groove is provided in the middle of the second hook ring 5. The first boss 8 cooperates with the second groove, and the second boss 9 cooperates with the first groove. The first hook ring 4 and the second hook ring 5 are spliced ​​in the form of a mortise and tenon structure, which enhances the stability of the structural connection and has better fatigue resistance than the threaded pair.

[0028] In a specific embodiment of the present disclosure, a third groove 6 is provided at the bottom of each of the first wire clamp 1 and the second wire clamp 2 , and the contact wire 3 is provided in the third groove 6 .

[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

[0032] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A simple suspension cable clamp for a rail transit contact network, characterized in that: include: A first wire clamp (1); a second wire clamp (2), wherein the second wire clamp (2) and the first wire clamp (1) are arranged on the same horizontal line, and the first wire clamp (1) and the second wire clamp (2) are both arranged above the contact line (3); A safety pin (7) is provided, wherein the safety pin (7) securely connects the first wire clamp (1) and the second wire clamp (2).

2. The simple suspension cable clamp for the rail transit contact network according to claim 1, characterized in that: A first Z-shaped offset is provided at one end of the first wire clamp (1) close to the second wire clamp (2).

3. The simple suspension cable clamp for the rail transit contact network according to claim 2, characterized in that: A second Z-shaped offset is provided at one end of the second wire clamp (2) close to the first wire clamp (1).

4. The simple suspension sling clamp for the rail transit contact network according to claim 3, characterized in that: The first Z-shaped staggered platform and the second Z-shaped staggered platform cooperate with each other.

5. The simple suspension sling clamp for rail transit contact network according to claim 1, characterized in that: The side wall of the first wire clamp (1) is provided with a first pin hole, the side wall of the second wire clamp (2) is provided with a second pin hole, and the safety pin (7) passes through the first pin hole and the second pin hole.

6. The simple suspension sling clamp for rail transit contact network according to claim 1, characterized in that: A first hook (4) is provided on the side of the first wire clamp (1) away from the contact line (3), and a second hook (5) is provided on the side of the second wire clamp (2) away from the contact line (3), wherein the first hook (4) and the second hook (5) are arranged opposite to each other.

7. The simple suspension sling clamp for the rail transit contact network according to claim 6, characterized in that: A first boss (8) is provided on the first hook ring (4), and the first boss (8) is provided at an end close to the second hook ring (5). A first groove is provided in the middle of the first hook ring (4).

8. The simple suspension sling clamp for the rail transit contact network according to claim 7, characterized in that: A second boss (9) is provided on the second hook ring (5), and the second boss (9) is provided at an end close to the first hook ring (4). A second groove is provided in the middle of the second hook ring (5).

9. The simple suspension sling clamp for the rail transit contact network according to claim 8, characterized in that: The first boss (8) cooperates with the second groove, and the second boss (9) cooperates with the first groove.

10. The simple suspension sling clamp for rail transit contact network according to claim 1, characterized in that: A third groove (6) is provided at the bottom of each of the first wire clamp (1) and the second wire clamp (2), and the contact wire (3) is provided in the third groove (6).