Wind swing preventing device for grounding rod of motor train unit

Abstract

The utility model discloses an anti-swing device for a grounding rod of a motor train unit, which relates to the technical field of railways and comprises a connecting component and a pulling component. The pulling and connecting assembly comprises a pull rope structure, a first pull hook and a second pull hook, and the first pull hook and the second pull hook are arranged at the two ends of the pull rope structure respectively; a rotary cavity is formed in the top of the connecting assembly, a penetrating cavity is formed in the bottom of the connecting assembly, and the pull rope structure is arranged in the penetrating cavity; the number of the pulling and connecting assemblies is two. The two pulling and connecting assemblies are symmetrically arranged in the penetrating and connecting cavity. The connecting assembly plays a connecting role and a force transmission role between the pull rope structure and the grounding rod; the pulling and connecting assembly is installed through a rail, and provides wind-resistant pulling and connecting force for the grounding rod, so that the stability of the bottom end of the grounding rod is improved, and wind swing and potential safety hazards caused by wind swing are avoided. The first drag hook is hooked with the track, and the connecting assembly is detachably connected with the grounding rod through threads, so that the grounding device is convenient to assemble and disassemble, stable and reliable, and has a wide market prospect.

Description

Technical Field

[0001] The utility model relates to the technical field of railways, in particular to a wind-proof sway device for a grounding rod of an EMU. Background Art

[0002] During EMU maintenance, the overhead catenary needs to be grounded to ensure safety during operation. Grounding of the catenary is usually done with vertically placed grounding rods.

[0003] In traditional technology, the lower end of the grounding rod is suspended in the air, which has a weak wind resistance. When the grounding rod sways in the wind, it poses a major safety hazard. Summary of the Invention

[0004] In order to overcome the problem in the above background technology that "there is a great safety hazard when the grounding rod swings with the wind", the utility model provides a wind-proof sway device for the grounding rod of an EMU.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] A wind-proof sway device for an EMU grounding rod comprises a connecting assembly connected to the bottom end of the grounding rod and a pulling assembly connected to the connecting assembly; the pulling assembly comprises a pull rope structure, a first pull hook and a second pull hook, the first pull hook and the second pull hook are respectively arranged at both ends of the pull rope structure; the pull rope structure comprises two parallel pulling rope bodies and a cross-bracing rope body arranged between the pulling rope bodies; a rotating connection cavity is provided at the top of the connecting assembly, and an internal thread is provided in the rotating connection cavity that matches the external thread at the bottom end of the grounding rod; a horizontal through-connection cavity is provided at the bottom of the connecting assembly, and the pull rope structure is placed in the through-connection cavity; the first pull hook is adapted to the inner edge of the bottom plate of the I-shaped EMU track; the second pull hook is adapted to the cross-bracing rope body; there are two pulling assemblies; the two pulling assemblies are symmetrically arranged in the through-connection cavity.

[0007] As a further optimization scheme of the present invention, the first hook includes a bottom support part, a side support part and a hanging part that are interconnected; the bottom support part is perpendicular to the side support part, the hanging part is perpendicular to the side support part, and the bottom support part and the hanging part are parallel to each other.

[0008] As a further optimization scheme of the present invention, the two pulling components are pulling component a and pulling component b respectively, the first pull hook a and the second pull hook a are respectively arranged at the two ends of the pull rope structure a, and the first pull hook b and the second pull hook b are respectively arranged at the two ends of the pull rope structure b.

[0009] As a further optimization solution of the present invention, the first retractor a and the second retractor a are respectively arranged on both sides of the connecting component, and the first retractor b and the second retractor b are respectively arranged on both sides of the connecting component.

[0010] As a further optimization solution of the present invention, the first retractor a and the second retractor b are arranged on the same side of the connecting component, and the first retractor b and the second retractor a are arranged on the same side of the connecting component.

[0011] As a further optimization solution of the present invention, the first drag hook a and the first drag hook b are respectively hung horizontally at the inner edge of the bottom plate of the track.

[0012] As a further optimization solution of the present invention, the cross-bracing rope bodies are provided in plurality and are arranged in an array along the length direction of the pulling rope body.

[0013] As a further optimized solution of the present invention, the second draw hook a can be selectively hooked on the cross-bracing rope body b of the draw rope structure b.

[0014] As a further optimized solution of the present invention, the second draw hook b can be selectively hooked on the cross-bracing rope body a of the draw rope structure a.

[0015] As a further optimization solution of the present invention, the pulling rope body adopts an elastic rope.

[0016] In summary, the benefits of the present invention are:

[0017] A wind-sway-proof device for a grounding rod of an EMU includes a connecting assembly and a pulling assembly; the pulling assembly includes a pull rope structure, a first pull hook and a second pull hook, and the first pull hook and the second pull hook are respectively arranged at the two ends of the pull rope structure; a rotating cavity is provided at the top of the connecting assembly, and a through-connection cavity is provided at the bottom of the connecting assembly, and the pull rope structure is placed in the through-connection cavity; there are two pulling assemblies; the two pulling assemblies are symmetrically arranged in the through-connection cavity. The connecting assembly plays a connecting role and a force transmission role between the pull rope structure and the grounding rod; the pulling assembly is installed using a rail to provide wind-resistant pulling force to the grounding rod, so as to improve the stability of the bottom end of the grounding rod and avoid wind sway and the safety hazards caused by wind sway. The first pull hook is hung on the rail, and the connecting assembly and the grounding rod are detachably connected by threads, so that the utility model is convenient to assemble and unassemble, stable and reliable, and has broad market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application is further described below with reference to the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the connection state between the connection component and the track;

[0021] Figure 3 This is a schematic diagram of the first hook and the track being pulled together;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the connection component;

[0023] Figure 5 This is a side view of the track and cross tie installation status;

[0024] Figure 6 Schematic diagram of the pull-connection assembly structure;

[0025] Figure 7 It is a structural schematic diagram of the pull-connection component a;

[0026] Figure 8 Schematic diagram of the structure of the pull-connection component b;

[0027] Figure 9 Schematic diagram of the top view of the connection structure between the pull-connection component a and the pull-connection component b;

[0028] Figure 10 It is a side view schematic diagram of the hooking position of the second hook a and the second hook b;

[0029] Figure 11 This is a schematic diagram of the first hook a and the second hook b being hooked to the track.

[0030] Description of reference numerals:

[0031] In the figure,

[0032] 1. Ground rod; 11. Screw-on protrusion;

[0033] 2. Connecting assembly; 21. Screw-on cavity; 22. Threading cavity;

[0034] 3. Pulling assembly; 31. Pull rope structure; 311. Pulling rope body; 312. Cross-bracing rope body; 32. First pull hook; 321. Bottom support portion; 322. Side support portion; 323. Hanging portion; 33. Second pull hook;

[0035] 4. Track;

[0036] 5. horizontal sleeper; 51. overhead space;

[0037] 3a, pulling assembly a; 31a, pulling rope structure a; 311a, pulling rope body a; 312a, cross-bracing rope body a; 32a, first pulling hook a; 33a, second pulling hook a;

[0038] 3b, pulling assembly b; 31b, pulling rope structure b; 311b, pulling rope body b; 312b, cross-bracing rope body b; 32b, first pulling hook b; 33b, second pulling hook b. DETAILED DESCRIPTION

[0039] Based on the above structural features of the present application, the implementation methods of the present application are further described:

[0040] Reference Figures 1 to 10 This embodiment provides a wind-resistant sway device for a grounding rod on an EMU train. The device comprises a connecting assembly 2 connected to the bottom end of a grounding rod 1 and a tensioning assembly 3 connected to the connecting assembly 2. The connecting assembly 2 is positioned in the middle of the tensioning assembly 3. The tensioning assembly 3 is used to provide wind-resistant tension between the connecting assembly 2 and the grounding rod 1, thereby improving the stability of the grounding rod 1 and preventing wind sway.

[0041] Reference Figures 1 to 3 and Figure 6 The pulling assembly 3 includes a pulling rope structure 31, a first pulling hook 32, and a second pulling hook 33. The first pulling hook 32 and the second pulling hook 33 are respectively provided at the two ends of the pulling rope structure 31. The pulling rope structure 31 includes two parallel pulling rope bodies 311 and a cross-bracing rope body 312 arranged between the pulling rope bodies 311. The two ends of the cross-bracing rope body 312 are respectively connected to the pulling rope body 311 perpendicularly, and the cross-bracing rope body 312 and the pulling rope body 311 are arranged in a ladder shape.

[0042] Reference Figures 1 and 2 and Figure 4 , the top of the connecting component 2 is provided with a screw-on cavity 21, and the screw-on cavity 21 is provided with an internal thread that matches the external thread at the bottom end of the grounding rod 1. The bottom end of the grounding rod 1 is provided with a cylindrical screw-on protrusion 11, and the grounding rod 1 is fixedly connected to the screw-on protrusion 11 (for example, through an integrated fixed connection or a fixed connection through bolts); the external thread is provided on the outer wall of the screw-on protrusion 11. During installation, the screw-on protrusion 11 is screwed into the screw-on cavity 21, so that the grounding rod 1 and the connecting component 2 are fastened together by the external thread and the internal thread. The bottom of the connecting component 2 is provided with a horizontal through-connection cavity 22, and the pull rope structure 31 is placed in the through-connection cavity 22; the longitudinal section of the through-connection cavity 22 is matched with the longitudinal section of the pull rope structure 31.

[0043] Reference Figures 1 to 3 The first hook 32 is adapted to the inner edge of the bottom plate of the I-shaped motor vehicle track 4, so that the first hook 32 can be hung at the inner edge of the bottom plate of the track 4.

[0044] Reference Figure 6 and Figure 9 The second hook 33 is adapted to the horizontal support rope body 312 so that the second hook 33 can be hung at the position of the horizontal support rope body 312.

[0045] Reference Figure 9 The two pulling assemblies 3 are symmetrically arranged in the connecting cavity 22. The two pulling assemblies 3 are arranged in different directions, so that the distance between the two first hooks 32 is different, so as to adjust the pulling force or pulling distance of the grounding rod 1.

[0046] Reference Figure 3 The first hook 32 includes a bottom support portion 321, a side support portion 322, and a hook portion 323 that are interconnected. The bottom support portion 321 and the side support portion 322 are perpendicular to each other, while the hook portion 323 and the side support portion 322 are perpendicular to each other. The bottom support portion 321, the side support portion 322, and the hook portion 323 are parallel to each other. The bottom support portion 321, the side support portion 322, and the hook portion 323 are fixedly connected in an integrated manner or by bolts.

[0047] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 5 The rail 4 is padded with horizontal sleepers 5 , arranged in a crisscross pattern with the rail 4 . Several horizontal sleepers 5 are provided, forming overhead spaces 51 between adjacent sleepers 5 below the rail 4 . These overhead spaces 51 provide space for the first hook 32 to be installed. During use, the user inserts the first hook 32 through the overhead space 51 and hooks it onto the rail 4 . When attached, the bottom support portion 321 of the first hook 32 is positioned within the overhead space 51.

[0048] Reference Figures 7 and 8 The two pulling components 3 are pulling component a3a and pulling component b3b respectively, the first pulling hook a32a and the second pulling hook a33a are respectively arranged at the two ends of the pulling rope structure a31a, and the first pulling hook b32b and the second pulling hook b33b are respectively arranged at the two ends of the pulling rope structure b31b.

[0049] Reference Figures 9 to 11 The first retractor a32a and the second retractor a33a are respectively provided on both sides of the connecting component 2, and the first retractor b32b and the second retractor b33b are respectively provided on both sides of the connecting component 2. The first retractor a32a and the second retractor b33b are provided on the same side of the connecting component 2, and the first retractor b32b and the second retractor a33a are provided on the same side of the connecting component 2. The first retractor a32a and the first retractor b32b are respectively suspended horizontally at the inner edge of the bottom plate of the track 4.

[0050] Reference Figures 7 to 11The horizontal bracing ropes 312 are provided in a plurality and arranged in an array along the length of the connecting rope 311. The horizontal bracing ropes a312a are provided in a plurality and arranged in an array along the length of the connecting rope a311a. The horizontal bracing ropes b312b are provided in a plurality and arranged in an array along the length of the connecting rope b311b. The second pull hook a33a can be selectively attached to the horizontal bracing rope b312b of the pulling rope structure b31b, and the second pull hook b33b can be selectively attached to the horizontal bracing rope a312a of the pulling rope structure a31a, to increase / decrease the pulling force between the connecting assembly 2 and the track 4, further adjust the pulling force on the grounding rod 1, or adapt to the pulling installation of the grounding rod 1 at different suspended heights.

[0051] The pulling rope body 311 is an elastic rope. The grounding rod 1 is connected to the grounding wire.

[0052] Usage steps: ① Screw the connecting component 2 to the grounding rod 1; ② Connect the grounding rod 1 to the grounding wire; ③ Hang the second hook a33a on the cross-bracing rope body b312b, and hang the second hook b33b on the cross-bracing rope body a312a; ④ Hang the first hook a32a and the first hook b32b on the left and right sides of the track 4 respectively; ⑤ Lift the grounding rod 1 so that the hook at the top of the grounding rod 1 is hung on the contact network.

[0053] During step ⑤, a robotic arm provided with an insulating layer is used to grasp the grounding rod 1 and lift it up to prevent the user from directly contacting the grounding rod 1.

[0054] Connecting assembly 2 connects and transmits force between the pull rope structure 31 and the grounding rod 1. The pull-connecting assembly 3, mounted on rails 4, provides wind-resistant tension to the grounding rod 1, improving the stability of the rod's base and preventing wind sway and the associated safety hazards. A first hook 32 is attached to rails 4, and the connecting assembly 2 and grounding rod 1 are detachably connected via threads, making this device easy to assemble and disassemble, stable, and reliable, promising broad market prospects.

[0055] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "up", "down", "left" and "right" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0056] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections, direct connections, 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 the present invention based on specific circumstances.

[0057] To sum up, for those skilled in the art, according to the guidance of this utility model, without departing from the principles and spirit of this utility model, changes, modifications, replacements and deformations made to this utility model still fall within the scope of protection of this utility model.

Claims

1. A wind-proof sway device for a grounding rod of an EMU, characterized by: It comprises a connecting assembly (2) connected to the bottom end of the grounding rod (1), and a pulling assembly (3) connected to the connecting assembly (2); The pulling assembly (3) comprises a pulling rope structure (31), a first pulling hook (32) and a second pulling hook (33), wherein the first pulling hook (32) and the second pulling hook (33) are respectively arranged at two ends of the pulling rope structure (31); the pulling rope structure (31) comprises two pulling rope bodies (311) arranged in parallel and a cross-bracing rope body (312) arranged between the pulling rope bodies (311); The top of the connecting assembly (2) is provided with a screw-on cavity (21), and the screw-on cavity (21) is provided with an internal thread adapted to the external thread at the bottom end of the grounding rod (1); the bottom of the connecting assembly (2) is provided with a horizontally placed through-connection cavity (22), and the pull rope structure (31) is placed in the through-connection cavity (22); The first drag hook (32) is adapted to the inner edge of the bottom plate of the I-shaped motor vehicle track (4); the second drag hook (33) is adapted to the cross-bracing rope body (312); The pulling and connecting components (3) are provided with two.

2. The wind-proof sway device for the EMU grounding rod according to claim 1, characterized in that: The first hook (32) comprises a bottom support portion (321), a side support portion (322) and a hanging portion (323) which are connected to each other; the bottom support portion (321) and the side support portion (322) are arranged perpendicularly, the hanging portion (323) and the side support portion (322) are arranged perpendicularly, and the bottom support portion (321) and the hanging portion (323) are arranged parallel to each other.

3. The wind-proof sway device for the EMU grounding rod according to claim 2, characterized in that: The two pulling components (3) are pulling component a (3a) and pulling component b (3b), respectively. The first pulling hook a (32a) and the second pulling hook a (33a) are respectively arranged at the two ends of the pulling rope structure a (31a), and the first pulling hook b (32b) and the second pulling hook b (33b) are respectively arranged at the two ends of the pulling rope structure b (31b).

4. The wind-proof sway device for the EMU grounding rod according to claim 3, characterized in that: The first drag hook a (32a) and the second drag hook a (33a) are respectively arranged on both sides of the connecting component (2), and the first drag hook b (32b) and the second drag hook b (33b) are respectively arranged on both sides of the connecting component (2).

5. The wind-proof sway device for the EMU grounding rod according to claim 4, characterized in that: The first retractor a (32a) and the second retractor b (33b) are arranged on the same side of the connecting component (2), and the first retractor b (32b) and the second retractor a (33a) are arranged on the same side of the connecting component (2).

6. The wind-proof sway device for the EMU grounding rod according to claim 5, characterized in that: The first drag hook a (32a) and the first drag hook b (32b) are respectively hung horizontally at the inner edge of the bottom plate of the track (4).

7. The wind-proof sway device for the EMU grounding rod according to claim 6, characterized in that: The transverse supporting rope bodies (312) are provided in plurality and are arranged in an array along the length direction of the pulling rope body (311).

8. The wind-proof sway device for the EMU grounding rod according to claim 7, characterized in that: The second pull hook a (33a) can be selectively hooked on the cross-bracing rope body b (312b) of the pull rope structure b (31b).

9. The wind-proof sway device for the EMU grounding rod according to claim 8, characterized in that: The second pull hook b (33b) can be selectively hooked on the cross-bracing rope body a (312a) of the pull rope structure a (31a).

10. The wind-proof sway device for the EMU grounding rod according to any one of claims 1 to 9, characterized in that: The pulling rope body (311) adopts an elastic rope.

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