Double-contact-line dropper wire clamp for rail transit overhead line system

Abstract

The utility model provides a rail transit overhead line system double-contact-line dropper wire clamp, which relates to the technical field of rail transit and comprises a first wire clamp, a second wire clamp and a fixing part. The second wire clamp and the first wire clamp are arranged on the same horizontal line, and the second wire clamp is detachably connected with the first wire clamp; the fixing part is arranged at the lower parts of the first wire clamp and the second wire clamp, the fixing part is fixedly connected with the contact wire, the first wire clamp and the second wire clamp are arranged and then are detachably connected, the connection and fixation of a thread pair adopted in the prior art are replaced, and the workload of installation and maintenance is effectively reduced.

Description

Technical Field

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

[0002] The existing rail transit contact network flexible suspension double contact line string clamp is connected and fixed with a threaded pair. One set of threaded pairs fixes 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 string clamp, 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 double contact wire hanger wire clamp for a rail transit overhead contact network to improve the above-mentioned problem. In order to achieve the above-mentioned purpose, the technical solution adopted by this utility model is as follows:

[0004] The present application provides a double contact line suspension string clamp for a rail transit contact network, comprising: a first clamp, a second clamp and a fixing portion; the second clamp and the first clamp are arranged on the same horizontal line, and the second clamp and the first clamp are detachably connected; the fixing portion is arranged at the lower part of the first clamp and the second clamp, and the fixing portion is fixedly connected to the contact line.

[0005] Optionally, a first connecting portion is provided on the top of the first wire clamp, and a second connecting portion is provided on the top of the second wire clamp, and the first wire clamp and the second wire clamp are detachably connected via the first connecting portion and the second connecting portion.

[0006] Optionally, the first connecting portion is a first hook and loop.

[0007] Optionally, the second connecting portion includes a fixing seat and a second hook ring, the fixing seat is fixedly connected to the second wire clamp, the second hook ring is arranged on the fixing seat, and the fixing seat is fixedly connected to the second hook ring.

[0008] Optionally, a circular through hole is provided on the fixing seat.

[0009] Optionally, the fixing portion includes a first fixing portion, a second fixing portion, a third fixing portion and a fourth fixing portion, the first fixing portion and the second fixing portion are symmetrically arranged on both sides of the first wire clamp, and the third fixing portion and the fourth fixing portion are symmetrically arranged on both sides of the second wire clamp.

[0010] Optionally, the first fixing portion and the third fixing portion are both arc-shaped grooves, and the first fixing portion and the third fixing portion are both arranged along the length direction of the contact line.

[0011] Optionally, a first slot is provided on the side of the first hook ring, and a first boss is provided on the end of the first hook ring.

[0012] Optionally, a second slot is provided on the side of the second hook ring, and a second boss is provided on the end of the second hook ring.

[0013] Optionally, the first slot cooperates with the second boss, and the second slot cooperates with the first boss.

[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 detachably connects the first wire clamp and the second wire clamp, thereby replacing the threaded pair connection fixation used in the prior art, effectively avoiding the problem that the vibration generated during rail transit operation will cause the threaded pair connection to loosen, and the contact line string clamp needs to be frequently inspected and repaired. It is not only convenient to install, but also reduces operating costs.

[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 the double contact wire hanger string clamp for the rail transit contact network described in an embodiment of the present utility model.

[0019] Figure 2 It is a side view of the double contact wire hanger string 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. First connecting part; 4. Second connecting part; 5. Fixed seat; 6. First fixing part; 7. Second fixing part; 8. Third fixing part; 9. Contact line; 10. Fourth fixing part; 11. First 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 rail transit contact network double contact line suspension string clamp, including: a first clamp 1, a second clamp 2 and a fixing part; the second clamp 2 and the first clamp 1 are arranged on the same horizontal line, and the second clamp 2 is detachably connected to the first clamp 1; the fixing part is arranged at the lower part of the first clamp 1 and the second clamp 2, and the fixing part is fixedly connected to the contact wire 9. The existing technology usually adopts a threaded pair connection and fixation, and a set of threaded pairs fixes two clamps, which is not only cumbersome to install but also has high operation and maintenance costs. Therefore, the utility model provides a first clamp 1 and a second clamp 2, and then detachably connects the first clamp 1 and the second clamp 2 to replace the threaded pair connection form. The installation is simple, and no time-consuming maintenance is required, thereby reducing the maintenance workload and operation and maintenance costs.

[0024] In a specific embodiment of the present disclosure, a first connecting part 3 is provided on the top of the first wire clamp 1, and a second connecting part 4 is provided on the top of the second wire clamp 2. The first wire clamp 1 and the second wire clamp 2 are detachably connected through the first connecting part 3 and the second connecting part 4. The first connecting part 3 is a first hook, and the second connecting part 4 includes a fixing seat 5 and a second hook. The fixing seat 5 is fixedly connected to the second wire clamp 2, and the second hook is provided on the fixing seat 5. The fixing seat 5 is fixedly connected to the second hook, and the first connecting part 3 and the second connecting part 4 are provided in the form of hooks so that they form a circular ring after splicing, which is used to be fixedly connected to the suspension string.

[0025] In a specific embodiment of the present disclosure, a circular through hole is opened on the fixing base 5 , and a circular through hole for fixing and connecting the current-carrying ring is reserved on the fixing base 5 .

[0026] In a specific embodiment of the present disclosure, the fixing portion includes a first fixing portion 6, a second fixing portion 7, a third fixing portion 8 and a fourth fixing portion 10. The first fixing portion 6 and the second fixing portion 7 are symmetrically arranged on both sides of the first wire clamp 1, and the third fixing portion 8 and the fourth fixing portion 10 are symmetrically arranged on both sides of the second wire clamp 2. The first fixing portion 6 and the third fixing portion 8 are both arc-shaped grooves. The first fixing portion 6 and the third fixing portion 8 are both arranged along the length direction of the contact line 9, so that the contact line 9 can be fixed inside the arc groove to prevent it from falling off. It should be noted that the second fixing portion 7 and the fourth fixing portion 10 are also arranged along the length direction of the contact line 9, so that the utility model can be applied In the scenario of double contact lines, the arc-shaped groove of the first fixing part 6 is composed of the first sub-fixing part and the second sub-fixing part. The first sub-fixing part only includes half of the cross-section of the contact line 9, and the second sub-fixing part is arranged opposite to the first sub-fixing part. When the first wire clamp 1 and the second wire clamp 2 are spliced ​​together, the first sub-fixing part and the second sub-fixing part together constitute an arc-shaped groove, which matches the entire cross-section of the contact line 9 and is used to fix the connection with the contact line 9. It should be noted that the first sub-fixing part is arranged on the first wire clamp 1, and the second sub-fixing part is arranged on the second wire clamp 2. When the first wire clamp 1 and the second wire clamp 2 are spliced ​​together, the second sub-fixing part is fitted with the cover plate arranged on the bottom of the first wire clamp 1.

[0027] like Figure 2 As shown, in a specific embodiment of the present disclosure, a first card slot is provided on the side of the first hook ring, a first boss 11 is provided on the end of the first hook ring, a second card slot is provided on the side of the second hook ring, a second boss is provided on the end of the second hook ring, the first card slot cooperates with the second boss, and the second card slot cooperates with the first boss 11. In this embodiment, during installation, a special tool is used to tighten the first wire clamp 1 and the second wire clamp 2 together, and the buckles at the hook rings of the two accessories are automatically clamped, and the installation is simple. At the same time, the mortise and tenon structure connection has better anti-fatigue performance than the threaded pair connection.

[0028] 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.

[0029] 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.

[0030] 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.

[0031] 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 double contact wire hanger wire clamp for a rail transit contact network, characterized by: A first wire clamp (1); a second wire clamp (2), the second wire clamp (2) and the first wire clamp (1) being arranged on the same horizontal line, and the second wire clamp (2) and the first wire clamp (1) being detachably connected; A fixing portion is provided at the lower portion of the first wire clamp (1) and the second wire clamp (2), and the fixing portion is fixedly connected to the contact wire (9).

2. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 1, characterized in that: A first connecting portion (3) is provided on the top of the first wire clamp (1), and a second connecting portion (4) is provided on the top of the second wire clamp (2); the first wire clamp (1) and the second wire clamp (2) are detachably connected via the first connecting portion (3) and the second connecting portion (4).

3. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 2, characterized in that: The first connecting portion (3) is a first hook.

4. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 3, characterized in that: The second connecting portion (4) comprises a fixing seat (5) and a second hook ring, the fixing seat (5) is fixedly connected to the second wire clamp (2), the second hook ring is arranged on the fixing seat (5), and the fixing seat (5) is fixedly connected to the second hook ring.

5. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 4, characterized in that: A circular through hole is provided on the fixing seat (5).

6. The double contact wire hanger wire clamp for rail transit overhead contact network according to claim 1, characterized in that: The fixing portion comprises a first fixing portion (6), a second fixing portion (7), a third fixing portion (8) and a fourth fixing portion (10); the first fixing portion (6) and the second fixing portion (7) are symmetrically arranged on both sides of the first wire clamp (1); and the third fixing portion (8) and the fourth fixing portion (10) are symmetrically arranged on both sides of the second wire clamp (2).

7. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 6, characterized in that: The first fixing portion (6) and the third fixing portion (8) are both arc-shaped grooves, and the first fixing portion (6) and the third fixing portion (8) are both arranged along the length direction of the contact line (9).

8. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 4, characterized in that: A first slot is provided on the side of the first hook ring, and a first boss (11) is provided on the end of the first hook ring.

9. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 8, characterized in that: A second slot is provided on the side surface of the second hook ring, and a second boss is provided on the end portion of the second hook ring.

10. The double contact wire hanger clamp for the rail transit overhead contact network according to claim 9, characterized in that: The first clamping slot cooperates with the second boss, and the second clamping slot cooperates with the first boss (11).

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