Double-carrier-cable dropper wire clamp for rail transit overhead line system

Abstract

The invention provides a rail transit overhead line system double-carrier-cable dropper wire clamp, and relates to the technical field of rail transit, the rail transit overhead line system double-carrier-cable dropper wire clamp comprises a wire clamp main piece, a wire clamp auxiliary piece and a fixing device, the wire clamp main piece is arranged below a carrier cable; the auxiliary wire clamp piece is arranged below the carrier cable, the auxiliary wire clamp piece and the main wire clamp piece are arranged on the same horizontal line, and the auxiliary wire clamp piece is fixedly connected with the main wire clamp piece; the fixing device is arranged on the wire clamp main piece and the wire clamp auxiliary piece, the fixing device is used for being fixedly connected with a carrier cable, the wire clamp main piece and the wire clamp auxiliary piece are arranged and fixedly connected, the mode that in the prior art, a thread pair is adopted for connection and fixation is replaced, and the maintenance frequency is effectively reduced.

Description

Technical Field

[0001] The invention relates to the technical field of rail transit contact network, in particular to a double-load-bearing cable hanging string clamp for a rail transit contact network. Background Art

[0002] The traditional rail transit contact network flexible suspension double-load-bearing cable string clamp is connected and fixed with a threaded pair. One set of threaded pairs fixes two clamps. This connection method has many connectors, complex construction process, and a large installation and maintenance workload. It needs to be frequently maintained during train operation to prevent the load-bearing cables and clamps from falling off. Summary of the invention

[0003] The purpose of the present invention is to provide a double-loaded cable chord clamp for a rail transit contact network to improve the above problems. In order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0004] The present application provides a double-load-bearing cable suspension string clamp for a rail transit contact network, comprising a main clamp piece, a secondary clamp piece and a fixing device, wherein the main clamp piece is arranged below the load-bearing cable; the secondary clamp piece is arranged below the load-bearing cable, the secondary clamp piece and the main clamp piece are arranged on the same horizontal line, and the secondary clamp piece is fixedly connected to the main clamp piece; the fixing device is arranged on the main clamp piece and the secondary clamp piece, and the fixing device is used to be fixedly connected to the load-bearing cable.

[0005] Optionally, the fixing device includes a first fixing device and a second fixing device, and the first fixing device and the second fixing device are symmetrically arranged on both sides of the wire clamp main plate.

[0006] Optionally, the first fixing device includes a first sub-fixing device and a second sub-fixing device, the first sub-fixing device is fixedly arranged on the main piece of the wire clamp, and the second sub-fixing device is fixedly arranged on the auxiliary piece of the wire clamp.

[0007] Optionally, the first sub-fixing device and the second sub-fixing device are both semicircular, and the first sub-fixing device and the second sub-fixing device form a circular hole.

[0008] Optionally, a first connecting device is provided on the main plate of the wire clamp, and the first connecting device is arranged on a side away from the load-bearing cable.

[0009] Optionally, a second connecting device is provided on the wire clamp secondary plate, and the second connecting device is arranged on a side away from the load-bearing cable.

[0010] Optionally, the first connecting device and the second connecting device are both hook-shaped.

[0011] Optionally, the first connecting device and the second connecting device together form a ring.

[0012] Optionally, a first groove is provided on a side wall of the first connecting device, and a first boss is provided on an end of the first connecting device.

[0013] Optionally, a second groove is provided on a side wall of the second connecting device, and a second boss is provided on an end of the second connecting device.

[0014] The beneficial effects of the present invention are:

[0015] The present invention replaces the threaded pair connection and fixation used in the prior art by connecting the main wire clamp plate and the auxiliary wire clamp plate and fixing them together, which not only saves manufacturing costs but also reduces installation difficulty. There is no need for frequent maintenance during rail transit operation, which effectively reduces operating costs.

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

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

[0018] Figure 1 It is a schematic structural diagram of the double-load-bearing cable suspension string clamp for the rail transit contact network described in an embodiment of the present invention.

[0019] Figure 2 It is an elevation view of the double-load-bearing cable hanger string clamp of the rail transit contact network described in an embodiment of the present invention.

[0020] Figure 3 It is a side view of the double-load-bearing cable hanger string clamp of the rail transit contact network described in an embodiment of the present invention.

[0021] Markings in the figure: 1, main piece of wire clamp; 2, auxiliary piece of wire clamp; 3, load-bearing cable; 4, first fixing device; 5, second fixing device; 6, second sub-fixing device; 7, first sub-fixing device; 8, first connecting device; 9, second connecting device. DETAILED DESCRIPTION

[0022] 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, rather than 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 claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, in the description of the present invention, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0024] like Figure 1 As shown, the present embodiment provides a suspension string clamp for double load-bearing cables 3 of a rail transit contact network, comprising a main clamp piece 1, a secondary clamp piece 2 and a fixing device, wherein the main clamp piece 1 is arranged below the load-bearing cable 3; the secondary clamp piece 2 is arranged below the load-bearing cable 3, the secondary clamp piece 2 and the main clamp piece 1 are arranged on the same horizontal line, and the secondary clamp piece 2 is fixedly connected to the main clamp piece 1; the fixing device is arranged on the main clamp piece 1 and the secondary clamp piece 2, and the fixing device is used to be fixedly connected to the load-bearing cable 3. The present invention fixes the main clamp piece 1 and the secondary clamp piece 2 together, and then uses the fixing device to fix the load-bearing cable 3, which is convenient to install and reduces the construction and installation process. At the same time, the threaded secondary connection used in the prior art is cancelled, which effectively reduces the frequency of maintenance.

[0025] In a specific embodiment of the present disclosure, the fixing device includes a first fixing device 4 and a second fixing device 5, and the first fixing device 4 and the second fixing device 5 are symmetrically arranged on both sides of the wire clamp main plate 1. The present invention is suitable for a double-bearing and double-conducting wire combination, that is, the suspension string clamp is connected to two load-bearing cables 3.

[0026] like Figure 2As shown, in a specific embodiment of the present disclosure, the first fixing device 4 includes a first sub-fixing device 7 and a second sub-fixing device 6. The first sub-fixing device 7 is fixedly arranged on the main piece 1 of the wire clamp, and the second sub-fixing device 6 is fixedly arranged on the auxiliary piece 2 of the wire clamp. The first sub-fixing device 7 and the second sub-fixing device 6 are both semicircular, and the first sub-fixing device 7 and the second sub-fixing device 6 form a circular hole. When the main piece 1 of the wire clamp and the auxiliary piece 2 of the wire clamp are fixed, the first sub-fixing device 7 fixed on the main piece 1 of the wire clamp and the second sub-fixing device 6 fixed on the auxiliary piece 2 of the wire clamp are fixed. 6, together forming a circular ring, the load-bearing cable 3 is fixed by passing through the circular ring. It should be noted that the first sub-fixing device 7 only wraps a half cross-section of the load-bearing cable 3, the second sub-fixing device 6 is arranged in the same manner as the first sub-fixing device 7, and is arranged relatively to each other. When the main piece 1 of the wire clamp and the auxiliary piece 2 of the wire clamp are spliced, they together form a circular hole to fix the load-bearing cable 3. A cover plate is provided on one side of the main piece 1 of the wire clamp on which the second sub-fixing device 6 is arranged. When the second sub-fixing device 6 of the auxiliary piece 2 of the wire clamp is spliced ​​with the first sub-fixing device 7, the second sub-fixing device 6 fits with the cover plate.

[0027] like Figure 3 As shown, in a specific embodiment of the present disclosure, a first connecting device 8 is provided on the main plate 1 of the wire clamp, and the first connecting device 8 is arranged on the side away from the load-bearing cable 3. A second connecting device 9 is provided on the auxiliary plate 2 of the wire clamp, and the second connecting device 9 is arranged on the side away from the load-bearing cable 3. The first connecting device 8 and the second connecting device 9 are both hook-shaped, and the first connecting device 8 and the second connecting device 9 together form a circular ring. When the first connecting device 8 and the second connecting device 9 are spliced ​​together, the circular ring formed by the first connecting device 8 and the second connecting device 9 can be used to fix to the suspension string.

[0028] In a specific embodiment of the present disclosure, a first groove is provided on the side wall of the first connecting device 8, a first boss is provided on the end of the first connecting device 8, a second groove is provided on the side wall of the second connecting device 9, a second boss is provided on the end of the second connecting device 9, the first groove cooperates with the second boss, and the second groove cooperates with the first boss. During installation, the main plate 1 and the auxiliary plate 2 of the wire clamp are tightened together, and the buckles at the hook rings of the two accessories are automatically clamped. The installation is simple and replaces the threaded pair connection used in the prior art, thereby improving the anti-fatigue performance of the connection structure.

[0029] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

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

Claims

1. A double-loaded cable hanging string clamp for a rail transit contact network, characterized in that: include: A wire clamp main piece (1), wherein the wire clamp main piece (1) is arranged below the load-bearing cable (3); A wire clamp auxiliary piece (2), the wire clamp auxiliary piece (2) being arranged below the load-bearing cable (3), the wire clamp auxiliary piece (2) and the wire clamp main piece (1) being arranged on the same horizontal line, and the wire clamp auxiliary piece (2) being fixedly connected to the wire clamp main piece (1); A fixing device, wherein the fixing device is arranged on the wire clamp main piece (1) and the wire clamp auxiliary piece (2), and the fixing device is used for fixed connection with the load-bearing cable (3).

2. The double-loaded cable hanging string clamp for rail transit contact network according to claim 1 is characterized by: The fixing device comprises a first fixing device (4) and a second fixing device (5), wherein the first fixing device (4) and the second fixing device (5) are symmetrically arranged on two sides of the wire clamp main plate (1).

3. The double-loaded cable hanging string clamp for rail transit contact network according to claim 2 is characterized by: The first fixing device (4) comprises a first sub-fixing device (7) and a second sub-fixing device (6); the first sub-fixing device (7) is fixedly arranged on the wire clamp main piece (1), and the second sub-fixing device (6) is fixedly arranged on the wire clamp secondary piece (2).

4. The double-loaded cable suspender wire clamp for rail transit contact network according to claim 3, characterized in that: The first sub-fixing device (7) and the second sub-fixing device (6) are both semicircular, and the first sub-fixing device (7) and the second sub-fixing device (6) form a circular hole.

5. The double-loaded cable suspender wire clamp for rail transit contact network according to claim 1, characterized in that: The wire clamp main plate (1) is provided with a first connecting device (8), and the first connecting device (8) is arranged on a side away from the load-bearing cable (3).

6. The double-loaded cable suspender wire clamp for rail transit contact network according to claim 5, characterized in that: The wire clamp secondary piece (2) is provided with a second connecting device (9), and the second connecting device (9) is arranged on a side away from the load-bearing cable (3).

7. The double-loaded cable suspender wire clamp for rail transit contact network according to claim 6, characterized in that: The first connecting device (8) and the second connecting device (9) are both hook-shaped.

8. The double-loaded cable suspender string clamp for rail transit contact network according to claim 7, characterized in that: The first connecting device (8) and the second connecting device (9) together form a circular ring.

9. The double-loaded cable suspender wire clamp for rail transit contact network according to claim 8, characterized in that: The side wall of the first connecting device (8) is provided with a first groove, and the end of the first connecting device (8) is provided with a first boss.

10. The double-loaded cable suspender wire clamp for rail transit contact network according to claim 8, characterized in that: The side wall of the second connecting device (9) is provided with a second groove, and the end of the second connecting device (9) is provided with a second boss.

Images