Distribution transformer grounding structure
By designing a distribution transformer grounding structure, the coordination of slide rods, slide chutes, springs and limit rods is used to solve the problem that the distribution transformer grounding system may fail after long-term use, and the function of stable fixing and convenient removal of fixed columns in the soil is realized, and the stability and convenience of use of the grounding system are improved.
Patent Information
- Application Number
- CN202422026150.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-21
AI Technical Summary
After a long time of use, the existing distribution transformer grounding structure may become larger or even disengage due to loose soil or external force, resulting in the failure of the grounding system.
A distribution transformer grounding structure is designed, including a box, a fixed column, an ejection assembly and a limit assembly. Through the cooperation of slide rods, slide chutes, springs and limit rods, the fixed columns are stable and conveniently removed in the soil.
When used, this grounding structure can ensure the stable fixation of the fixed column in the soil, avoid failure of the grounding system, and at the same time, it can easily remove the fixed column from the soil when needed, improving the convenience and effect of use.
Smart Images
Figure CN223038762U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, in particular to a grounding structure for a distribution transformer. Background Technique
[0002] The grounding structure of a distribution transformer is a structure used to establish a good connection between the metal shell or other conductive parts in the transformer and the ground. Its function is to ensure safety, prevent electric shock caused by current passing through the human body or other equipment, and provide reliable fault protection.
[0003] When the existing grounding structure of a distribution transformer is in use, by inserting a rod into the ground, after long-term use, due to soil loosening or external force, the gap between the grounding column and the ground may become larger or even the grounding column may break away, resulting in the failure of the grounding system. Content of the Utility Model
[0004] The purpose of the utility model is to provide a grounding structure for a distribution transformer to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A grounding structure for a distribution transformer, including a box body, fixed columns are fixedly connected at the corners of the inner surface of the box body, a cavity is opened in the middle of the fixed column, a pop-up component is arranged inside the cavity, the pop-up component is connected with a sliding rod, the sliding rod is fixedly connected to the inner side surface of a U-shaped plate, a limiting component is arranged at the top of the U-shaped plate, a fixing frame is fixedly connected to the top surface of the fixed column, limiting holes are opened on the left and right side surfaces of the fixing frame, and a grounding column is fixedly connected to the middle of the top surface of the box body.
[0006] Preferably, the pop-up component includes a first spring, the first spring is fixedly connected to the bottom of the inner side surface of the cavity, the other end of the first spring is fixedly connected with a slider, an extension rod is fixedly connected to the side of the slider away from the first spring, the extension rod away from the slider penetrates through the fixed column, a sliding groove is opened in the middle of the slider, and the sliding rod is located inside the sliding groove.
[0007] Preferably, the limiting component includes an installation groove, the installation groove is opened on both side surfaces at the top of the U-shaped plate, a second spring is fixedly connected to one side inside the installation groove, the other end of the second spring is fixedly connected with a limiting rod, one end of the limiting rod close to the second spring is located in the installation groove, and the other end of the limiting rod away from the second spring is located in the limiting hole.
[0008] Preferably, a box cover is clamped at the top of the box body, and an extension pipe is threadedly connected to the middle of the box cover.
[0009] Preferably, a connecting wire is connected to the top of the grounding column, and the connecting wire passes through the extension pipe.
[0010] Preferably, the fixing column and the grounding column penetrate through the box body, and the U-shaped plate is slidably connected to the inner side surface of the cavity.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] When the present utility model is in use, the fixing column and the grounding column are inserted into the ground, the limiting rod is pressed into the installation groove, and then the U-shaped plate is pressed downwards, so that the sliding rod moves to the bottom of the sliding groove, and the slider drives the extension rod to extend outwards into the soil, making the fixing column more firmly fixed in the soil. At the same time, the top end of the U-shaped plate moves downwards into the fixing frame, and the limiting rod pops out into the limiting hole under the action of the second spring, thereby limiting the U-shaped plate. The limiting rod is pressed into the installation groove again, and the first spring drives the extension rod to retract through the slider, facilitating the removal of the fixing column from the soil. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a schematic structural diagram of the present utility model;
[0014] Figure 2 is a schematic cross-sectional structural diagram of the fixing column of the present utility model;
[0015] Figure 3 is a schematic structural diagram of the fixing column and the fixing frame of the present utility model;
[0016] Figure 4 is a schematic structural diagram of the U-shaped plate of the present utility model.
[0017] In the figure: 1, box body; 2, fixing column; 3, cavity; 4, pop-up component; 41, first spring; 42, slider; 43, extension rod; 44, sliding groove; 5, sliding rod; 6, U-shaped plate; 7, limiting component; 71, installation groove; 72, second spring; 73, limiting rod; 8, fixing frame; 9, limiting hole; 10, grounding column; 11, box cover; 12, extension pipe; 13, connecting wire. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0019] Please refer to Figures 1-4, the present utility model provides a technical solution: a grounding structure for a distribution transformer, including a box body 1, a fixing column 2 is installed at the inner surface corners of the box body 1 through bolts, a cavity 3 is opened inside the fixing column 2, a pop-up assembly 4 is installed inside the cavity 3, a sliding rod 5 is welded to the inner side of a U-shaped plate 6, a limiting assembly 7 is installed at the top of the U-shaped plate 6, a fixing frame 8 is installed on the top surface of the fixing column 2 through bolts, limiting holes 9 are opened on the left and right sides of the fixing frame 8, and a grounding column 10 is installed at the middle of the top surface of the box body 1 through bolts.
[0020] The pop-up assembly 4 includes a first spring 41, the first spring 41 is welded to the bottom of the inner side of the cavity 3, a slider 42 is welded to the other end of the first spring 41, an extension rod 43 is welded to the side of the slider 42 away from the first spring 41, one end of the extension rod 43 away from the slider 42 penetrates through the fixing column 2, a sliding groove 44 is opened in the middle of the slider 42, and the sliding rod 5 is located inside the sliding groove 44 and is slidably connected thereto.
[0021] The limiting assembly 7 includes an installation groove 71, the installation groove 71 is opened on both sides of the top of the U-shaped plate 6, a second spring 72 is welded to one side inside the installation groove 71, a limiting rod 73 is welded to the other end of the second spring 72, one end of the limiting rod 73 close to the second spring 72 is located in the installation groove 71, and one end of the limiting rod 73 away from the second spring 72 is located in the limiting hole 9.
[0022] A box cover 11 is snap-connected to the box body 1, and an extension pipe 12 is threadedly connected to the middle of the box cover 11.
[0023] A connecting wire 13 is installed at the top of the grounding column 10, and the connecting wire 13 passes through the extension pipe 12.
[0024] Both the fixing column 2 and the grounding column 10 penetrate through the box body 1, and the U-shaped plate 6 is slidably connected to the inner side surface of the cavity 3.
[0025] Working principle: When the present utility model is in use, the connecting wire 13 is connected to the transformer, then the fixing column 2 and the grounding column 10 are inserted into the ground, the limiting rod 73 is pressed into the installation groove 71, and then the U-shaped plate 6 is pressed downwards, so that the sliding rod 5 moves to the bottom of the sliding groove 44, and the slider 42 drives the extension rod 43 to extend outwards into the soil, making the fixing column 2 more firmly fixed in the soil. At the same time, the top of the U-shaped plate 6 moves downwards into the fixing frame 8, and the limiting rod 73 pops out into the limiting hole 9 under the action of the second spring 72, thereby limiting the U-shaped plate 6. Press the limiting rod 73 into the installation groove 71 again, and the first spring 41 drives the extension rod 43 to retract through the slider 42, facilitating the removal of the fixing column 2 from the soil. The present utility model has the advantages of convenient use and good use effect.
[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.
[0027] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A distribution transformer grounding structure, comprising a box (1), characterized in that: A fixing column (2) is fixedly connected at a corner of the inner surface of the box body (1), a cavity (3) is provided in the middle of the fixing column (2), a pop-up assembly (4) is arranged inside the cavity (3), the pop-up assembly (4) is connected to a slide bar (5), the slide bar (5) is fixedly connected to the inner side of the U-shaped plate (6), a limit assembly (7) is provided at the top of the U-shaped plate (6), a fixing frame (8) is fixedly connected to the top surface of the fixing column (2), and limit holes (9) are provided on the left and right sides of the fixing frame (8), and a grounding column (10) is fixedly connected to the middle of the top surface of the box body (1).
2. A distribution transformer grounding structure according to claim 1, characterized in that: The pop-up assembly (4) comprises a first spring (41), the first spring (41) being fixedly connected to the bottom of the inner side surface of the cavity (3), the other end of the first spring (41) being fixedly connected to a slider (42), the side of the slider (42) away from the first spring (41) being fixedly connected to an extension rod (43), the end of the extension rod (43) away from the slider (42) passing through the fixed column (2), the middle of the slider (42) being provided with a slide groove (44), and the slide rod (5) being located inside the slide groove (44).
3. A distribution transformer grounding structure according to claim 1, characterized in that: The limiting assembly (7) comprises a mounting groove (71), wherein the mounting groove (71) is formed on two side surfaces of the top end of the U-shaped plate (6), a second spring (72) is fixedly connected to one side of the mounting groove (71), and the other end of the second spring (72) is fixedly connected to a limiting rod (73), an end of the limiting rod (73) close to the second spring (72) is located in the mounting groove (71), and an end of the limiting rod (73) away from the second spring (72) is located in the limiting hole (9).
4. A distribution transformer grounding structure according to claim 1, characterized in that: A box cover (11) is clamped on the top of the box body (1), and an extension tube (12) is threadedly connected to the middle of the box cover (11).
5. A distribution transformer grounding structure according to claim 1, characterized in that: A connecting wire (13) is connected to the top end of the grounding column (10), and the connecting wire (13) passes through the extension tube (12).
6. A distribution transformer grounding structure according to claim 1, characterized in that: The fixing column (2) and the grounding column (10) both penetrate the box body (1), and the U-shaped plate (6) is slidably connected to the inner side surface of the cavity (3).