Power distribution network grounding device

By designing detachable connection and protection components, the problem of long grounding electrode lengths being inconvenient for transportation was solved, achieving convenient transportation and reliable installation.

CN223986718UActive Publication Date: 2026-03-10LHASA POWER SUPPLY CO OF STATE GRID TIBET ELECTRIC POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

The existing grounding electrodes of the power distribution network grounding devices are quite long, making them inconvenient to transport.

Method used

A detachable power distribution grounding device was designed. The grounding body can be transported separately through connecting components and protective components. During installation, the grounding body is fixed by threaded connection and snap-fit ​​structure. The protection of the connection is improved by the compression of rubber ring and spring.

Benefits of technology

This design facilitates the transportation of the grounding device and ensures the protection of the connection points after installation through protective components and threaded connections, preventing impurities and moisture from entering and improving the convenience and reliability of transportation and installation.

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Abstract

The utility model discloses a power distribution network grounding device, which belongs to the technical field of power distribution network grounding devices and comprises a first grounding body and a second grounding body, the first grounding body is positioned at the bottom of the second grounding body, the top of the first grounding body is provided with a connecting assembly, and the top of the second grounding body is provided with a protection assembly. The connecting assembly comprises a fixing ring; according to the utility model, through the arrangement of the connecting assembly and the design, the first grounding body and the second grounding body are convenient to mount and dismount by using the threaded ring and the threaded ring, transportation is convenient during transportation, and the connection part of the first grounding body and the second grounding body is protected by using the protection plate and the protection shell; impurities and water are prevented from entering a slit at the joint of the first grounding body and the second grounding body, and then the second rubber ring is extruded by using the connecting spring, so that the protective property of the joint is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to power distribution network grounding device technical field especially relates to a power distribution network grounding device. BACKGROUND

[0002] The power distribution network grounding device is a grounding electrode buried in the ground. When the power equipment or line has a leakage, the grounding device can quickly guide the leakage current into the ground to avoid the equipment shell from being electrified, thereby protecting the equipment and personal safety.

[0003] Nowadays, through the power distribution network grounding device, the harm of lightning and static electricity to equipment and personnel can be effectively prevented. However, some grounding bodies are long in length, which is inconvenient for transportation when transported to the installation site. To solve the above problems, a detachable power distribution network grounding device convenient for transportation is needed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a power distribution network grounding device, which can solve the problem that some grounding bodies are long in length and inconvenient for transportation when transported to the installation site.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a power distribution network grounding device, comprising a first grounding body and a second grounding body, the first grounding body is located at the bottom of the second grounding body, the top of the first grounding body is provided with a connecting assembly, the top of the second grounding body is provided with a protection assembly.

[0006] The connecting assembly comprises a fixed ring, the bottom surface of the fixed ring is fixedly connected with a protection plate, the bottom end of the second grounding body is fixedly connected with a threaded ring, the side wall of the threaded ring is threadedly connected with a threaded ring, the inner wall of the threaded ring is fixedly connected with a first rubber ring, the top of the first grounding body is fixedly connected with a protection shell, the protection shell is provided with a positioning groove, the bottom surface of the fixed ring is fixedly connected with a first telescopic sleeve, the inner wall of the first telescopic sleeve is fixedly connected with a connecting spring, the side wall of the first telescopic sleeve is slidably connected with a second telescopic sleeve, the bottom end of the connecting spring is fixedly connected with the inner wall of the second telescopic sleeve, the bottom end of the second telescopic sleeve is fixedly connected with a mounting ring, and the bottom surface of the mounting ring is fixedly connected with a second rubber ring.

[0007] As a further description of the above technical scheme:

[0008] The inner wall of the fixed ring is fixedly connected with the bottom of the second grounding body, the bottom of the second grounding body is fixedly connected with a flow guide block, the top of the second grounding body is fixedly connected with a connecting block, and the top of the first grounding body is provided with a connecting hole.

[0009] As a further description of the above technical scheme: As a further description of the above technical scheme:

[0010] The protective component includes a fixed shell, a rubber ring fixedly connected to the top of the fixed shell, a retaining shell fixedly connected to the side wall of the fixed shell, and a retaining groove provided on the bottom surface of the retaining shell.

[0011] As a further description of the above technical solution:

[0012] A protective ring is fixedly connected to the bottom surface of the fixed shell, and a mounting shell is fixedly connected to the top of the second grounding body.

[0013] As a further description of the above technical solution:

[0014] A locking block is fixedly connected to the side wall of the mounting shell, and threaded holes are provided on the top of the locking block and the side wall of the mounting shell.

[0015] As a further description of the above technical solution:

[0016] The mounting housing is provided with a protective groove, and the inner wall of the threaded hole is threaded with a threaded nail.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0018] 1. In this utility model, by providing a connecting component, the first grounding body and the second grounding body can be transported separately during transportation, avoiding the grounding device being too long and inconvenient to transport. When it is necessary to install the grounding device at the required location, the guide block is inserted into the connecting hole in the first grounding body, and then the threaded ring in the second grounding body is threadedly connected to the threaded ring of the first grounding body, thereby connecting and fixing the first grounding body and the second grounding body together. The first grounding body and the second grounding body are then installed at the required location. At the same time as connecting the first grounding body and the second grounding body, the protective plate is fastened onto the protective shell, and the mounting ring in the fixing ring and the second rubber ring are fastened into the positioning groove. The protective plate and the protective shell secure the first grounding body and the second grounding body. The connection point of the grounding electrodes is protected to prevent impurities from entering the narrow gap between the first and second grounding electrodes. Simultaneously, a connecting spring is used to compress the mounting ring and the second rubber ring, improving the tightness of the seal between the second rubber ring and the positioning groove, further enhancing the protection of the connection point. This design, utilizing threaded rings and threads, facilitates the installation and disassembly of the first and second grounding electrodes, making transportation easier. Furthermore, a protective plate and shell protect the connection point between the first and second grounding electrodes, preventing impurities and moisture from entering the narrow gap. The connecting spring further compresses the second rubber ring, further improving the protection of the connection point.

[0019] 2. In this utility model, by providing a protective component, when it is necessary to connect the conductive line to the connecting block, the conductive line passes through the rubber ring and connects to the connecting block. At this time, the protective ring and protective groove in the fixing shell are fastened, and the slot at the bottom of the locking shell is fastened to the top of the locking block. The connecting block connecting the conductive line is protected by the fixing shell and the rubber ring. Then, the threaded nail is connected to the threaded hole in the locking shell and the locking block to fix the fixing shell. Through this design, the connecting block connecting the conductive line is protected by the fixing shell and the rubber ring, and the threaded nail is connected to the threaded hole in the locking block to fix the fixing shell. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of a power distribution network grounding device.

[0021] Figure 2 This is a schematic diagram of the split three-dimensional structure of the top of the second grounding body of a power distribution network grounding device.

[0022] Figure 3 This is an exploded three-dimensional structural diagram of the connection components of a power distribution network grounding device.

[0023] Figure 4 This is a schematic diagram of a partial component of the connection assembly of a power distribution network grounding device.

[0024] Figure 5 This is a schematic diagram of the explosion-proof three-dimensional structure of a protective component of a power distribution network grounding device.

[0025] Legend:

[0026] 1. First grounding electrode; 2. Second grounding electrode; 3. Connecting assembly; 31. Fixing ring; 32. Protective plate; 33. Guide block; 34. Threaded ring; 35. First rubber ring; 36. Positioning groove; 37. Protective shell; 38. Threaded ring; 39. First telescopic sleeve; 310. Connecting spring; 311. Second telescopic sleeve; 312. Mounting ring; 313. Second rubber ring; 4. Protective assembly; 41. Fixing shell; 42. Rubber ring; 43. Clamp; 44. Threaded hole; 45. Protective ring; 46. Mounting shell; 47. Protective groove; 48. Clamping block; 49. Threaded nail; 5. Connecting block. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-5 This utility model provides a technical solution: a power distribution network grounding device, including a first grounding body 1 and a second grounding body 2, the first grounding body 1 is located at the bottom of the second grounding body 2, a connecting component 3 is provided on the top of the first grounding body 1, and a protective component 4 is provided on the top of the second grounding body 2.

[0029] The connecting assembly 3 includes a fixing ring 31, a protective plate 32 fixedly connected to the bottom surface of the fixing ring 31, a threaded ring 34 fixedly connected to the bottom end of the second grounding body 2, a threaded ring 38 threadedly connected to the side wall of the threaded ring 34, a first rubber ring 35 fixedly connected to the inner wall of the threaded ring 38, a protective shell 37 fixedly connected to the top of the first grounding body 1, a positioning groove 36 provided in the protective shell 37, a first telescopic sleeve 39 fixedly connected to the bottom surface of the fixing ring 31, and a connecting spring 310 fixedly connected to the inner wall of the first telescopic sleeve 39. A second telescopic sleeve 311 is slidably connected to the side wall of the first telescopic sleeve 39. The bottom end of the connecting spring 310 is fixedly connected to the inner wall of the second telescopic sleeve 311. An installation ring 312 is fixedly connected to the bottom end of the second telescopic sleeve 311. A second rubber ring 313 is fixedly connected to the bottom surface of the installation ring 312. The inner wall of the fixed ring 31 is fixedly connected to the bottom of the second grounding body 2. A guide block 33 is fixedly connected to the bottom of the second grounding body 2. A connecting block 5 is fixedly connected to the top of the second grounding body 2. A connecting hole is provided on the top of the first grounding body 1.

[0030] The specific implementation method is as follows: During transportation, the first grounding body 1 and the second grounding body 2 are transported separately to avoid the grounding device being too long and inconvenient to transport. When it is necessary to install the grounding device at the required location, the guide block 33 is inserted into the connecting hole in the first grounding body 1, and then the threaded ring 34 in the second grounding body 2 is threadedly connected to the threaded ring 38 in the first grounding body 1, thereby connecting and fixing the first grounding body 1 and the second grounding body 2 together. The first grounding body 1 and the second grounding body 2 are then installed at the required location, and the connection of the first grounding body 1 and the second grounding body 2 is performed simultaneously. The protective plate 32 is fastened onto the protective shell 37, and the mounting ring 312 in the fixing ring 31 and the second rubber ring 313 are engaged in the positioning groove 36. The protective plate 32 and the protective shell 37 protect the connection between the first grounding body 1 and the second grounding body 2, preventing impurities from entering the gap at the connection between the first grounding body 1 and the second grounding body 2. At the same time, the connecting spring 310 is used to compress the mounting ring 312 and the second rubber ring 313, improving the tightness of the second rubber ring 313 and the positioning groove 36, further improving the protection of the connection between the first grounding body 1 and the second grounding body 2.

[0031] The protective component 4 includes a fixed shell 41, a rubber ring 42 fixedly connected to the top of the fixed shell 41, a retaining shell 43 fixedly connected to the side wall of the fixed shell 41, a retaining groove provided on the bottom surface of the retaining shell 43, a protective ring 45 fixedly connected to the bottom surface of the fixed shell 41, an installation shell 46 fixedly connected to the top of the second grounding body 2, a retaining block 48 fixedly connected to the side wall of the installation shell 46, threaded holes 44 provided on the top of the retaining block 48 and the side wall of the retaining shell 43, a protective groove 47 provided in the installation shell 46, and a threaded nail 49 threadedly connected to the inner wall of the threaded hole 44.

[0032] The specific implementation method is as follows: When it is necessary to connect the conductive line to the connecting block 5, the conductive line is passed through the rubber ring 42 and connected to the connecting block 5. At this time, the protective ring 45 and the protective groove 47 in the fixing shell 41 are fastened, and the groove at the bottom of the clip 43 is fastened to the top of the clip 48. The connecting block 5 that connects the conductive line is protected by the fixing shell 41 and the rubber ring 42. Then, the threaded nail 49 is connected to the threaded hole 44 in the clip 43 and the clip 48 to fix the fixing shell 41.

[0033] Working principle: During transportation, the first grounding body 1 and the second grounding body 2 are transported separately to avoid the grounding device being too long and inconvenient to transport. When it is necessary to install the grounding device at the required location, the guide block 33 is inserted into the connecting hole in the first grounding body 1, and then the threaded ring 34 in the second grounding body 2 is threadedly connected to the threaded ring 38 in the first grounding body 1, thereby connecting and fixing the first grounding body 1 and the second grounding body 2 together. The first grounding body 1 and the second grounding body 2 are then installed at the required location. At the same time as connecting the first grounding body 1 and the second grounding body 2, the protective plate 32 is fastened onto the protective shell 37, and the mounting ring 312 in the fixing ring 31 and the second rubber ring 313 are fastened into the positioning groove 36. The connection between the first grounding body 1 and the second grounding body 2 is achieved through the protective plate 32 and the protective shell 37. The connection between the first grounding body 1 and the second grounding body 2 is protected to prevent impurities from entering the gap. At the same time, the connecting spring 310 is used to squeeze the mounting ring 312 and the second rubber ring 313 to improve the tightness between the second rubber ring 313 and the positioning groove 36, further improving the protection of the connection between the first grounding body 1 and the second grounding body 2. When it is necessary to connect the conductive line to the connecting block 5, the conductive line is passed through the rubber ring 42 and connected to the connecting block 5. At this time, the protective ring 45 and the protective groove 47 in the fixing shell 41 are fastened, and the groove at the bottom of the clamping shell 43 is fastened to the top of the clamping block 48. The connecting block 5 for connecting the conductive line is protected by the fixing shell 41 and the rubber ring 42. Then, the threaded nail 49 is connected to the threaded hole 44 in the clamping shell 43 and the clamping block 48 to fix the fixing shell 41.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A grounding device for power distribution network, comprising a first grounding body (1) and a second grounding body (2), the first grounding body (1) is located at the bottom of the second grounding body (2), characterized in that: The top of the first grounding body (1) is provided with a connecting assembly (3), and the top of the second grounding body (2) is provided with a protection assembly (4); The connecting assembly (3) comprises a fixing ring (31), the bottom surface of the fixing ring (31) is fixedly connected with a protection plate (32), the bottom end of the second grounding body (2) is fixedly connected with a threaded ring (34), the side wall of the threaded ring (34) is threadedly connected with a threaded ring (38), the inner wall of the threaded ring (38) is fixedly connected with a first rubber ring (35), the top of the first grounding body (1) is fixedly connected with a protection shell (37), the protection shell (37) is provided with a positioning groove (36), the bottom surface of the fixing ring (31) is fixedly connected with a first telescopic sleeve (39), the inner wall of the first telescopic sleeve (39) is fixedly connected with a connecting spring (310), the side wall of the first telescopic sleeve (39) is slidably connected with a second telescopic sleeve (311), the bottom end of the connecting spring (310) is fixedly connected with the inner wall of the second telescopic sleeve (311), the bottom end of the second telescopic sleeve (311) is fixedly connected with a mounting ring (312), and the bottom surface of the mounting ring (312) is fixedly connected with a second rubber ring (313).

2. The grounding device for power distribution network according to claim 1, characterized in that, The inner wall of the fixing ring (31) is fixedly connected with the bottom of the second grounding body (2), the bottom of the second grounding body (2) is fixedly connected with a flow guide block (33), the top of the second grounding body (2) is fixedly connected with a connecting block (5), and the top of the first grounding body (1) is provided with a connecting hole.

3. A power distribution network grounding device according to claim 2, wherein, The protection assembly (4) comprises a fixed shell (41), the top of the fixed shell (41) is fixedly connected with a rubber ring (42), the side wall of the fixed shell (41) is fixedly connected with a clamping shell (43), and the bottom surface of the clamping shell (43) is provided with a clamping groove.

4. The grounding device of claim 3, wherein the grounding device is configured to be installed on a distribution network. The bottom surface of the fixed shell (41) is fixedly connected with a protection ring (45), and the top of the second grounding body (2) is fixedly connected with a mounting shell (46).

5. A power distribution network grounding device according to claim 4, wherein, The side wall of the mounting shell (46) is fixedly connected with a clamping block (48), and the top of the clamping block (48) and the side wall of the clamping shell (43) are both provided with a threaded hole (44).

6. A power distribution network grounding device according to claim 5, wherein, The mounting shell (46) is provided with a protection groove (47), and the inner wall of the threaded hole (44) is threadedly connected with a threaded nail (49).