Connecting structure of mobile substation and grounding grid

Abstract

The utility model discloses a connecting structure of a mobile substation and a grounding grid, which comprises a mobile substation body, a connecting device and a grounding grid body, the grounding grid body is arranged around the mobile substation body, and the grounding grid body is matched with the connecting device on the mobile substation body through connecting flat iron; the connecting device comprises a copper block, channel steel and a pressing plate, the channel steel is arranged on a base of the mobile substation body, the copper block is fixedly arranged on the channel steel, the pressing plate is arranged above the copper block through a bolt, the pressing plate is of an arc-shaped structure, and the connecting flat iron is arranged between the pressing plate and the copper block. According to the connecting structure of the mobile substation and the grounding grid, a crimping mode is adopted, convenience of on-site construction is fully considered, meanwhile, reliable contact is guaranteed, contact resistance is effectively reduced, and the connecting structure is attractive in appearance.

Description

Technical Field

[0001] The utility model relates to the field of metal wire connection structures, in particular to a connection structure between a mobile substation and a grounding grid. Background Art

[0002] The shell of the mobile substation needs to be connected to the grounding grid. Currently, a π-shaped connecting plate with holes is welded on the channel steel of the mobile substation shell, and then a copper block with holes is welded on the π-shaped connecting plate. The connection method is direct bolt connection, and the grounding grid connection flat iron needs to be installed on site with holes, and the contact reliability of the connection is not high. Therefore, how to develop a new connection structure between the mobile substation and the grounding grid has become an urgent problem to be solved by technicians in this field. Utility Model Content

[0003] The utility model aims to provide a connection structure between a mobile substation and a grounding grid, which solves the problem that the connection structure between the existing mobile substation and the grounding grid requires on-site hole matching and installation of the grounding grid connection flat iron, and the contact reliability of the connection is not high.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a connection structure between a mobile substation and a grounding grid, comprising a mobile substation body, a connection device and a grounding grid body, wherein the grounding grid body is arranged around the mobile substation body, and the grounding grid body cooperates with the connection device on the mobile substation body through a connecting flat iron; the connection device comprises a copper block, a channel steel and a pressure plate, the channel steel is arranged on the base of the mobile substation body, the copper block is fixedly arranged on the channel steel, and the pressure plate is arranged above the copper block through bolts.

[0006] Furthermore, the pressing plate is an arc-shaped structure, and the connecting flat iron is arranged between the pressing plate and the copper block.

[0007] Furthermore, the copper block is welded on the channel steel.

[0008] Furthermore, the mobile substation body is fixedly arranged on a pre-arranged substation foundation.

[0009] Furthermore, the pressing plate is provided with a through hole which cooperates with the bolt.

[0010] Furthermore, the connecting flat iron is plug-fitted to the pressing plate and the copper block.

[0011] Furthermore, M12 threads are tapped on the channel steels on both sides of the copper block.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The connection structure between the mobile substation and the grounding grid of the utility model adopts a crimping method, which fully considers the convenience of on-site construction, while ensuring reliable contact, effectively reducing contact resistance and having a beautiful appearance. In general, the connection structure between the mobile substation and the grounding grid of the utility model is cleverly designed, practical in function, and low in cost, and effectively solves the problem that the connection structure between the existing mobile substation and the grounding grid requires on-site installation of the grounding grid connection flat iron with holes, and the contact reliability at the connection is not high. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings:

[0015] Figure 1 This is a front view of the connection structure between the mobile substation and the grounding grid of the utility model;

[0016] Figure 2 It is a top view of the connection structure between the mobile substation and the grounding grid of the utility model;

[0017] Figure 3 It is a front view of the connecting device;

[0018] Figure 4 A top view of the connecting device.

[0019] Explanation of the accompanying drawings: 1. Mobile substation body; 2. Connecting device; 201. Copper block; 202. Channel steel; 203. Pressing plate; 204. Connecting flat iron; 3. Grounding grid body; 4. Substation foundation. DETAILED DESCRIPTION

[0020] like Figures 1 to 4 As shown, a connection structure between a mobile substation and a grounding grid includes a mobile substation body 1, a connection device 2 and a grounding grid body 3. The mobile substation body 1 is fixedly arranged on a pre-set substation foundation 4. The grounding grid body 3 is arranged around the mobile substation body 1. The grounding grid body 3 cooperates with the connection device 2 on the mobile substation body 1 through a connecting flat iron 204.

[0021] Specifically, the connecting device 2 includes a copper block 201, a channel steel 202 and a pressure plate 203. The channel steel 202 is arranged on the base of the mobile substation body 1, and the copper block 201 is welded on the channel steel 202. M12 threads are tapped on the channel steels 202 on both sides of the copper block 201. The pressure plate 203 is provided with through holes that cooperate with the bolts. The pressure plate 203 is arranged above the copper block 201 by bolts.

[0022] The pressing plate 203 is an arc-shaped structure, and the connecting flat iron 204 is arranged between the pressing plate 203 and the copper block 201. The connecting flat iron 204 is plug-fitted with the pressing plate 203 and the copper block 201.

[0023] The construction process of this utility model is as follows:

[0024] like Figure 1 As shown, the mobile substation body 1 is installed on-site on a prefabricated substation foundation 4. Figure 2 As shown, a grounding grid body 3 needs to be made around the mobile substation body 1, and the direct resistance between the mobile substation body 1 and the grounding grid body 3 is required to be no greater than 4Ω.

[0025] The present invention directly welds the copper block 201 to the base channel steel 202 of the mobile substation body 1, and taps M12 (adjustable in size according to needs) threads on the channel steel 202 on both sides of the copper block 201, such as Figure 3 and Figure 4 As shown, a pressure plate 203 with an arc is made and installed on the threads on both sides with bolts. After the substation body 1 is moved to the site for installation, it is only necessary to loosen the bolts, insert the connecting flat iron 204 of the grounding grid body 3 between the pressure plate 203 and the copper block 201, and then tighten the bolts.

[0026] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A connection structure between a mobile substation and a grounding grid, characterized in that: The invention comprises a mobile substation body (1), a connection device (2) and a grounding grid body (3); the grounding grid body (3) is arranged around the mobile substation body (1); the grounding grid body (3) cooperates with the connection device (2) on the mobile substation body (1) through a connecting flat iron (204); the connection device (2) comprises a copper block (201), a channel steel (202) and a pressure plate (203); the channel steel (202) is arranged on the base of the mobile substation body (1); the copper block (201) is fixedly arranged on the channel steel (202); and the pressure plate (203) is arranged above the copper block (201) through bolts.

2. The connection structure between the mobile substation and the grounding grid according to claim 1, characterized in that: The pressing plate (203) is an arc-shaped structure, and the connecting flat iron (204) is arranged between the pressing plate (203) and the copper block (201).

3. The connection structure between the mobile substation and the grounding grid according to claim 1, characterized in that: The copper block (201) is welded to the channel steel (202).

4. The connection structure between the mobile substation and the grounding grid according to claim 1, characterized in that: The mobile substation body (1) is fixedly arranged on a pre-arranged substation foundation (4).

5. The connection structure between the mobile substation and the grounding grid according to claim 1, characterized in that: The pressing plate (203) is provided with a through hole that cooperates with the bolt.

6. The connection structure between the mobile substation and the grounding grid according to claim 2, characterized in that: The connecting flat iron (204) is plug-fitted to the pressing plate (203) and the copper block (201).

7. The connection structure between the mobile substation and the grounding grid according to claim 5, characterized in that: Tap M12 threads on the channel steels (202) on both sides of the copper block (201).

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