Temporary grounding device for distribution box transformer substation

By designing a temporary grounding device for distribution box, the coordinated work of fixed components and conductive components is solved, and the existing grounding device is easily damaged and inconvenient to use is achieved, achieving stable grounding and flexible use.

CN222563242UActive Publication Date: 2025-03-04ZHEJIANG QIANTU ELECTRIC POWER DESIGN CONSULTING CO LTD
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Patent Information

Application Number
CN202421202804.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-03-04
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

The soft wires of the existing distribution box that become temporary grounding devices are easily damaged, which is time-consuming and labor-intensive during use, and can easily lead to winding and knotting, affecting the conductive effect.

Method used

A temporary grounding device for power distribution box is designed, including a substation shell, metal partition, transformer and grounding mechanism. The grounding mechanism consists of a fixed component, a first connecting component, a second connecting component and a conductive component. Through the coordinated work of these components, stable grounding and flexible use are achieved.

Benefits of technology

Through this device, the stability of the ground rod connecting to the ground is ensured, the conductive effect is improved, and the flexibility and safety of use are improved through quick disassembly and assembly and flexible adjustment design.

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Abstract

The utility model discloses a temporary grounding device for a distribution box transformer, which belongs to the technical field of distribution box transformers, and is characterized by comprising a transformer substation shell, a plurality of metal partition plates are fixedly connected in the transformer substation shell, a transformer is fixedly connected to the top of each metal partition plate, and the transformer is connected to the bottom of each metal partition plate. The grounding mechanism is arranged, two metal clamping plates can clamp and fix a metal partition plate, the stability during connection is ensured, a lead screw rotates to drive a moving block, a moving rod, a supporting round block and a grounding rod to move downwards together, the grounding rod can go deep into the ground, and therefore the effect that the grounding rod is stably connected with the ground is achieved; and the first connecting assembly and the second connecting assembly are arranged, so that the first connecting rod and the second connecting rod can be conveniently and quickly disassembled and assembled, the grounding area of the conductive assembly can be flexibly adjusted according to use requirements, and the conductive effect is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of distribution box transformers, in particular to a temporary grounding device for distribution box transformers. Background Art

[0002] The distribution box transformer, also known as the box-type substation, is a kind of high-voltage switchgear, distribution transformer and low-voltage distribution device, which are prefabricated indoor and outdoor compact distribution equipment arranged in one according to a certain wiring scheme. It organically combines the functions of transformer step-down and low-voltage distribution, and is installed in a moisture-proof, rust-proof, dust-proof, rodent-proof, fire-proof, anti-theft, heat-insulating, fully enclosed, movable steel structure box. It is particularly suitable for urban network construction and transformation, and is a new type of substation that has emerged after the civil substation.

[0003] When performing maintenance work or emergency repairs on the distribution box transformer, it is necessary to install a grounding device for grounding. The current grounding devices are mostly temporary grounding devices, mainly including grounding rods, soft wires, etc. During use, due to the needs of working in different environments, the length of the soft wires is designed to be longer. Before or after use, the soft wires are easily squeezed by foreign objects and damaged, and the soft wires are mostly directly wound around or wrapped around the grounding rod, which is time-consuming and labor-intensive, and easily causes the soft wires to be entangled, knotted, etc., thereby affecting the conductive effect. Utility Model Content

[0004] The utility model provides a temporary grounding device for a distribution box transformer, aiming to solve the problem that most existing grounding devices are temporary grounding devices, mainly including grounding rods, soft wires, etc., and the length of the soft wires is designed to be long due to the needs of working in different environments during use. Before or after use, the soft wires are easily squeezed by foreign objects to cause damage, and the soft wires are mostly directly coiled or wrapped around the grounding rod, which is time-consuming and labor-intensive, and easily causes the soft wires to be entangled, tangled, etc., thereby affecting the conductive effect.

[0005] The utility model is implemented as follows: a temporary grounding device for a distribution box transformer, comprising a transformer substation shell, a metal partition is fixedly connected inside the transformer substation shell, and the number of the metal partitions is set to be several, a transformer is fixedly connected to the top of the metal partition, and a grounding mechanism is movably connected to the surface of the metal partition, and the grounding mechanism comprises a fixed component, a first connecting component, a second connecting component and a conductive component;

[0006] The conductive component includes a moving block, a moving rod, a supporting round block and a grounding rod. The moving rod is fixedly connected to the bottom of the moving block, the supporting round block is fixedly connected to the bottom of the moving rod, and the grounding rod is set to be conical and evenly distributed in a ring shape at the bottom of the supporting round block.

[0007] In order to achieve the effect of being able to connect with the metal partition, as a preferred temporary grounding device for a distribution box transformer of the utility model, the fixing component includes a mounting block, a groove, a bidirectional screw and a metal clamp. The groove is opened on the side of the mounting block close to the metal partition, and the bidirectional screw is rotatably connected to the inside of the groove. The two metal clamps are threadedly connected to the top and bottom of the surface of the bidirectional screw.

[0008] In order to achieve the effect of being able to connect with a fixed component, as a preferred temporary grounding device of a distribution box transformer of the utility model, the first connecting component includes a first connecting rod, a first connecting groove and a first connecting block, the first connecting rod is movably connected to the side of the mounting block away from the metal partition, the first connecting groove is opened on the front side of the first connecting rod, and the first connecting block is fixedly connected to the rear side of the first connecting rod.

[0009] In order to achieve the effect of being able to connect with the first connecting component, as a preferred temporary grounding device for a distribution box transformer of the utility model, the second connecting component includes a second connecting rod, a second connecting groove, a second connecting block and a positioning hole, the second connecting groove is opened on the front side of the second connecting rod, the second connecting block is fixedly connected to the rear side of the second connecting rod, and the positioning hole is opened inside the second connecting block.

[0010] In order to achieve the effect of improving the connection firmness between the first connecting rod and the second connecting rod, as a preferred temporary grounding device of a distribution box transformer of the utility model, a positioning rod is penetrated inside the first connecting rod, a pulling block is fixedly connected to the right side of the positioning rod, a tension spring is sleeved on the surface of the positioning rod, and the tension spring is fixedly connected to the pulling block and the first connecting rod on one side respectively.

[0011] In order to achieve the effect of driving the conductive components to move flexibly, as a preferred temporary grounding device for a distribution box transformer of the utility model, the front sides of the bottoms of the first connecting rod and the second connecting rod are fixedly connected with connecting rings, the internal movably connected with a support rod, the bottom of the support rod is fixedly connected with a fixed block, the bottom of the fixed block is fixedly connected with a mounting seat, and a screw rod is rotatably connected between the mounting seat and the opposite side of the fixed block.

[0012] In order to achieve the effect of limiting the moving route of the conductive component, as a preferred temporary grounding device of a distribution box transformer of the utility model, the moving block is threadedly connected to the surface of the screw rod, and a limiting rod passes through the interior of the moving block, and the limiting rod is fixedly connected between the mounting seat and the opposite side of the fixed block.

[0013] In order to achieve the effect of fixing and limiting the position of the support rod, as a preferred temporary grounding device for a distribution box transformer of the utility model, the internal thread of the connecting ring is connected with a fastening bolt, and the fastening bolt is tightly fitted with the support rod on one side close to the support rod.

[0014] In order to achieve the effect that the first connecting rod and the second connecting rod can be used flexibly, as a preferred temporary grounding device for a distribution box transformer of the utility model, the front side of the mounting block is fixedly connected to a U-shaped frame, and the end of the first connecting rod close to the U-shaped frame is rotatably connected to the U-shaped frame.

[0015] In order to achieve the effect of improving the safety of use, as a preferred temporary grounding device for a distribution box transformer of the utility model, the surfaces of the first connecting rod, the second connecting rod, the support rod and the fixed block are all set to insulating material.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The temporary grounding device of the distribution box transformer can place the metal partition between the two metal clamping plates by setting a fixing component. When the bidirectional screw is rotated, it will drive the two metal clamping plates to move relative to each other, so that the two metal clamping plates can clamp and fix the metal partition to ensure the stability of the connection. The leakage of the transformer will pass through the metal partition, the fixing component, the first connecting rod, the second connecting rod, the connecting ring and the support rod in sequence, and finally be introduced into the conductive component. By setting the conductive component, the rotation of the screw will drive the moving block to move downward. When the moving block moves downward, it will drive the moving rod, the supporting round block and the grounding rod to move together, so that the grounding rod can penetrate into the ground, thereby achieving the effect of stable connection between the grounding rod and the ground, improving the conductive effect, and by setting the first connecting component and the second connecting component, the first connecting rod and the second connecting rod are easy to quickly disassemble and assemble, and the grounding area of ​​the conductive component can be flexibly adjusted according to the use requirements, which improves the flexibility of use and further improves the conductive effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structural diagram of the temporary grounding device for the power distribution box transformer of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the grounding mechanism in the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the conductive component in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the fixing component in the utility model;

[0022] Figure 5It is a structural schematic diagram of the first connecting component in the utility model;

[0023] Figure 6 It is a structural schematic diagram of the second connecting component in the utility model.

[0024] In the figure, 1, substation shell; 2, metal partition; 3, transformer; 4, grounding mechanism; 401, fixing assembly; 4011, mounting block; 4012, groove; 4013, bidirectional screw; 4014, metal clamp; 402, first connecting assembly; 4021, first connecting rod; 4022, first connecting groove; 4023, first connecting block; 403, second connecting assembly; 4031, second connecting rod; 40 32. Second connecting groove; 4033. Second connecting block; 4034. Positioning hole; 404. Conductive component; 4041. Moving block; 4042. Moving rod; 4043. Supporting round block; 4044. Grounding rod; 5. Positioning rod; 6. Pulling block; 7. Tension spring; 8. Connecting ring; 9. Support rod; 10. Fixed block; 11. Mounting seat; 12. Screw rod; 13. Limiting rod; 14. Fastening bolt; 15. U-shaped frame. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0027] See also Figure 1-6 The utility model provides a technical solution: a temporary grounding device for a distribution box transformer, comprising a transformer substation shell 1, a metal partition 2 is fixedly connected inside the transformer substation shell 1, and the number of the metal partitions 2 is set to be several, a transformer 3 is fixedly connected to the top of the metal partition 2, and a grounding mechanism 4 is movably connected to the surface of the metal partition 2, and the grounding mechanism 4 comprises a fixing component 401, a first connecting component 402, a second connecting component 403 and a conductive component 404;

[0028] The conductive component 404 includes a moving block 4041, a moving rod 4042, a supporting round block 4043 and a grounding rod 4044. The moving rod 4042 is fixedly connected to the bottom of the moving block 4041, the supporting round block 4043 is fixedly connected to the bottom of the moving rod 4042, and the grounding rod 4044 is configured to be conical and evenly distributed in a ring shape at the bottom of the supporting round block 4043.

[0029] In this embodiment: by setting the fixing component 401, the metal partition 2 can be placed between the two metal clamping plates 4014. When the bidirectional screw 4013 rotates, it will drive the two metal clamping plates 4014 to move relative to each other, so that the two metal clamping plates 4014 can clamp and fix the metal partition 2 to ensure the stability during connection. The leakage of the transformer 3 will pass through the metal partition 2, the fixing component 401, the first connecting rod 4021, the second connecting rod 4031, the connecting ring 8 and the supporting rod 9 in sequence, and finally be introduced into the conductive component 404. By setting the conductive component 404, the rotation of the screw 12 will drive the moving block 40 41 moves downward, and when the moving block 4041 moves downward, it will drive the moving rod 4042, the supporting round block 4043 and the grounding rod 4044 to move together, so that the grounding rod 4044 can go deep into the ground, so as to achieve the effect of stable connection between the grounding rod 4044 and the ground, and improve the conductive effect. By setting the first connecting component 402 and the second connecting component 403, the first connecting rod 4021 and the second connecting rod 4031 can be easily disassembled and assembled quickly, and the grounding area of ​​the conductive component 404 can be flexibly adjusted according to the use requirements, which improves the use flexibility and further improves the conductive effect.

[0030] As a technical optimization solution of the utility model, the fixing component 401 includes a mounting block 4011, a groove 4012, a bidirectional screw 4013 and a metal clamp 4014. The groove 4012 is opened on one side of the mounting block 4011 close to the metal partition 2. The bidirectional screw 4013 is rotatably connected to the inside of the groove 4012. The two metal clamps 4014 are threadedly connected to the top and bottom of the surface of the bidirectional screw 4013.

[0031] In this embodiment: by setting up a fixing component 401, the metal partition 2 can be placed between two metal clamps 4014. When the bidirectional screw 4013 rotates, it will drive the two metal clamps 4014 to move relative to each other, so that the two metal clamps 4014 can clamp and fix the metal partition 2 to ensure stability during connection.

[0032] As a technical optimization solution of the utility model, the first connecting component 402 includes a first connecting rod 4021, a first connecting groove 4022 and a first connecting block 4023. The first connecting rod 4021 is movably connected to the side of the mounting block 4011 away from the metal partition 2. The first connecting groove 4022 is opened on the front side of the first connecting rod 4021. The first connecting block 4023 is fixedly connected to the rear side of the first connecting rod 4021.

[0033] In this embodiment: through the above arrangement, the first connecting rod 4021 can be connected to the fixing assembly 401 to facilitate electrical conduction.

[0034] As a technical optimization solution of the utility model, the second connecting component 403 includes a second connecting rod 4031, a second connecting groove 4032, a second connecting block 4033 and a positioning hole 4034. The second connecting groove 4032 is opened on the front side of the second connecting rod 4031, the second connecting block 4033 is fixedly connected to the rear side of the second connecting rod 4031, and the positioning hole 4034 is opened inside the second connecting block 4033.

[0035] In this embodiment: through the above arrangement, the second connecting block 4033 can be inserted into the interior of the second connecting groove 4032, so that the second connecting rod 4031 can be used in conjunction with the first connecting rod 4021, thereby improving the flexibility of use.

[0036] As a technical optimization solution of the utility model, a positioning rod 5 runs through the inside of the first connecting rod 4021, a pulling block 6 is fixedly connected to the right side of the positioning rod 5, a tension spring 7 is sleeved on the surface of the positioning rod 5, and the tension spring 7 is fixedly connected to one side close to the pulling block 6 and the first connecting rod 4021 respectively.

[0037] In this embodiment: through the above arrangement, when the second connecting block 4033 is inserted into the second connecting groove 4032, the pulling block 6 is released, and the pulling block 6 and the positioning rod 5 will move to the left under the pulling force of the tension spring 7, so that the positioning rod 5 can be inserted into the positioning hole 4034, so that the position of the second connecting block 4033 can be fixed and limited, thereby improving the firmness of the connection between the first connecting rod 4021 and the second connecting rod 4031.

[0038] As a technical optimization solution of the utility model, the front sides of the bottoms of the first connecting rod 4021 and the second connecting rod 4031 are fixedly connected with a connecting ring 8, the interior of the connecting ring 8 is movably connected with a support rod 9, the bottom of the support rod 9 is fixedly connected with a fixing block 10, the bottom of the fixing block 10 is fixedly connected with a mounting seat 11, and a screw rod 12 is rotatably connected between the mounting seat 11 and the opposite side of the fixing block 10.

[0039] In this embodiment: through the above arrangement, the support rod 9 can support the fixed block 10 and the mounting seat 11, so that the conductive component 404 can be flexibly moved, and the support rod 9 can be flexibly disassembled and assembled with the connecting ring 8, thereby improving the flexibility of use.

[0040] As a technical optimization solution of the utility model, the moving block 4041 is threadedly connected to the surface of the screw rod 12, and a limiting rod 13 runs through the interior of the moving block 4041. The limiting rod 13 is fixedly connected between the mounting seat 11 and the opposite side of the fixed block 10.

[0041] In this embodiment, by providing the limiting rod 13 , the limiting rod 13 can limit the moving track of the moving block 4041 , thereby improving the stability of the conductive component 404 when moving.

[0042] As a technical optimization solution of the present invention, the internal thread of the connecting ring 8 is connected with a fastening bolt 14 , and the fastening bolt 14 is tightly fitted with the supporting rod 9 on one side close to the supporting rod 9 .

[0043] In this embodiment, by providing the fastening bolts 14, the fastening bolts 14 can fix and limit the position of the support rod 9, so that it can be stably connected to the inside of the connecting ring 8, thereby improving the stability in use.

[0044] As a technical optimization solution of the utility model, the front side of the mounting block 4011 is fixedly connected with the U-shaped frame 15 , and one end of the first connecting rod 4021 close to the U-shaped frame 15 is rotatably connected to the U-shaped frame 15 .

[0045] In this embodiment, through the above arrangement, the first connecting rod 4021 and the second connecting rod 4031 can flexibly adjust the use angle, thereby improving the use flexibility.

[0046] As a technical optimization solution of the present invention, the surfaces of the first connecting rod 4021, the second connecting rod 4031, the support rod 9 and the fixing block 10 are all set to insulating materials.

[0047] In this embodiment: through the above arrangement, when the device as a whole is used, leakage will not cause harm to the human body through the first connecting rod 4021, the second connecting rod 4031, the support rod 9 and the fixing block 10, thereby improving the safety during use.

[0048] Working principle: first, place the metal partition 2 between the two metal clamping plates 4014, and rotate the bidirectional screw 4013. When the bidirectional screw 4013 rotates, it will drive the two metal clamping plates 4014 to move relative to each other, so that the two metal clamping plates 4014 can clamp and fix the metal partition 2. Then, pull the pulling block 6 to the right, insert the second connecting block 4033 into the second connecting groove 4032, release the pulling block 6, and the pulling block 6 and the positioning rod 5 will move to the left under the pulling force of the tension spring 7, so that the positioning rod 5 can be inserted into the positioning hole 4034, so that the position of the second connecting block 4033 can be fixed and limited, and then insert the support rod 9 into the connecting ring 8 and rotate. Tighten the bolt 14 so that the end of the tightening bolt 14 fits tightly against the surface of the support rod 9, and then rotate the screw rod 12. The rotation of the screw rod 12 will drive the moving block 4041 to move downward. When the moving block 4041 moves downward, it will drive the moving rod 4042, the supporting round block 4043 and the grounding rod 4044 to move together, so that the grounding rod 4044 can penetrate deep into the ground, thereby achieving a stable connection between the grounding rod 4044 and the ground. The leakage current generated by the transformer 3 will pass through the metal partition 2, the fixing component 401, the first connecting rod 4021, the second connecting rod 4031, the connecting ring 8 and the support rod 9 in sequence, and finally the leakage current will be introduced into the earth through the grounding rod 4044 to complete the conductive work.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A temporary grounding device for a distribution box transformer, comprising a transformer substation housing (1), characterized in that: A metal partition (2) is fixedly connected inside the transformer substation shell (1), and the number of the metal partitions (2) is set to be a plurality, a transformer (3) is fixedly connected to the top of the metal partition (2), and a grounding mechanism (4) is movably connected to the surface of the metal partition (2), and the grounding mechanism (4) comprises a fixing component (401), a first connecting component (402), a second connecting component (403) and a conductive component (404); The conductive component (404) comprises a moving block (4041), a moving rod (4042), a supporting round block (4043) and a grounding rod (4044); the moving rod (4042) is fixedly connected to the bottom of the moving block (4041); the supporting round block (4043) is fixedly connected to the bottom of the moving rod (4042); and the grounding rod (4044) is configured to be conical and evenly distributed in a ring shape at the bottom of the supporting round block (4043).

2. A temporary grounding device for a distribution box transformer according to claim 1, characterized in that: The fixing assembly (401) comprises a mounting block (4011), a groove (4012), a bidirectional screw (4013) and a metal clamp (4014), wherein the groove (4012) is provided on a side of the mounting block (4011) close to the metal partition (2), the bidirectional screw (4013) is rotatably connected inside the groove (4012), and two metal clamps (4014) are threadedly connected to the top and bottom of the surface of the bidirectional screw (4013).

3. A temporary grounding device for a distribution box transformer according to claim 1, characterized in that: The first connecting component (402) includes a first connecting rod (4021), a first connecting groove (4022) and a first connecting block (4023), wherein the first connecting rod (4021) is movably connected to a side of the mounting block (4011) away from the metal partition (2), the first connecting groove (4022) is opened on the front side of the first connecting rod (4021), and the first connecting block (4023) is fixedly connected to the rear side of the first connecting rod (4021).

4. A temporary grounding device for a distribution box transformer according to claim 1, characterized in that: The second connecting component (403) includes a second connecting rod (4031), a second connecting groove (4032), a second connecting block (4033) and a positioning hole (4034), wherein the second connecting groove (4032) is opened on the front side of the second connecting rod (4031), the second connecting block (4033) is fixedly connected to the rear side of the second connecting rod (4031), and the positioning hole (4034) is opened inside the second connecting block (4033).

5. A temporary grounding device for a distribution box transformer according to claim 3, characterized in that: A positioning rod (5) passes through the interior of the first connecting rod (4021), a pulling block (6) is fixedly connected to the right side of the positioning rod (5), a tension spring (7) is sleeved on the surface of the positioning rod (5), and the tension spring (7) is fixedly connected to the pulling block (6) and the first connecting rod (4021) at one side thereof.

6. A temporary grounding device for a distribution box transformer according to claim 3, characterized in that: The front sides of the bottoms of the first connecting rod (4021) and the second connecting rod (4031) are fixedly connected to a connecting ring (8), the interior of the connecting ring (8) is movably connected to a supporting rod (9), the bottom of the supporting rod (9) is fixedly connected to a fixing block (10), the bottom of the fixing block (10) is fixedly connected to a mounting seat (11), and a screw rod (12) is rotatably connected between the mounting seat (11) and the opposite side of the fixing block (10).

7. A temporary grounding device for a distribution box transformer according to claim 6, characterized in that: The moving block (4041) is threadedly connected to the surface of the screw rod (12), and a limiting rod (13) runs through the interior of the moving block (4041), and the limiting rod (13) is fixedly connected between the mounting seat (11) and the opposite side of the fixed block (10).

8. A temporary grounding device for a distribution box transformer according to claim 6, characterized in that: The internal thread of the connecting ring (8) is connected with a fastening bolt (14), and the side of the fastening bolt (14) close to the supporting rod (9) is tightly fitted with the supporting rod (9).

9. A temporary grounding device for a distribution box transformer according to claim 3, characterized in that: The front side of the mounting block (4011) is fixedly connected to a U-shaped frame (15), and one end of the first connecting rod (4021) close to the U-shaped frame (15) is rotatably connected to the U-shaped frame (15).

10. A temporary grounding device for a distribution box transformer according to claim 6, characterized in that: The surfaces of the first connecting rod (4021), the second connecting rod (4031), the supporting rod (9) and the fixing block (10) are all made of insulating material.

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