CN220963789U - Distribution transformer grounding structure - Google Patents
Distribution transformer grounding structure Download PDFInfo
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- CN220963789U CN220963789U CN202322671155.5U CN202322671155U CN220963789U CN 220963789 U CN220963789 U CN 220963789U CN 202322671155 U CN202322671155 U CN 202322671155U CN 220963789 U CN220963789 U CN 220963789U
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- 239000002184 metal Substances 0.000 claims abstract description 55
- 238000001125 extrusion Methods 0.000 claims description 38
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The utility model discloses a grounding structure of a distribution transformer, which relates to the technical field of grounding structures and comprises a main body, wherein a plurality of mounting holes are formed in the main body, a grounding column structure is arranged in each mounting hole, a connecting device is arranged at the side end of the main body, a grounding wire is arranged at the upper end of the connecting device, an insulating layer is sleeved outside the grounding wire, connecting pieces are arranged at two ends of the grounding wire, and the connecting pieces are fixedly connected with the grounding wire. The utility model is characterized in that the connecting piece at the upper end is fixedly connected with the metal shell of the transformer, then the connecting piece at the lower end is matched with the connecting device to be connected with the main body, the main body is placed on the ground after the connection is completed, the main body is pressed down by the ground connection post structure at the lower end to be inserted into the ground, then the stress piece at the upper end of the ground connection post structure is pressed, and the sliding piece stretches out of the inside of the ground connection post under the action of the internal structure of the ground connection post structure, so that the transformer is grounded.
Description
Technical Field
The utility model relates to the technical field of grounding structures, in particular to a distribution transformer grounding structure.
Background
The grounding structure of a distribution transformer is one structure used to establish a good connection of the metal housing or other electrically conductive portion of the transformer to ground. Its function is to ensure safety, prevent electric shock hazard caused by current passing through human body or other equipment, and provide reliable fault protection. The following problems exist in the prior art:
1. The existing distribution transformer grounding structure has the defects that after the grounding column is used for a long time, gaps between the grounding column and the ground on which the grounding column is installed can be enlarged, and even part of the grounding column is separated from the ground surface to cause poor contact;
2. The existing distribution transformer grounding structure is characterized in that connection between a grounding wire and grounding equipment is usually welding, the operation flexibility is poor, the later disassembly is inconvenient, an insulating assembly is not arranged at the joint, the long-time use can be corroded and damaged, and the safety is low.
Disclosure of utility model
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a distribution transformer ground structure, includes the main part, set up a plurality of mounting holes and every mounting hole in the main part all be provided with ground connection post structure, the side of main part is provided with connecting device, connecting device's upper end is provided with the earth connection, the earth connection overcoat is equipped with the insulating layer, the both ends of earth connection all are provided with the connecting piece, connecting piece and earth connection fixed connection.
The technical scheme of the utility model is further improved as follows: the connecting device comprises a fixing plate, a threaded hole a is formed in the fixing plate, a bolt is arranged on one side of the threaded hole a, a fixing groove for installing the fixing plate and a connecting piece is formed in the main body, a metal connecting frame is arranged in the fixing groove, a threaded hole b is formed in one face, facing the fixing plate, of the fixing groove, and the threaded holes b, the threaded holes a and the bolts are in one-to-one correspondence.
The technical scheme of the utility model is further improved as follows: the fixed plate is detachably connected with the fixed groove through a threaded hole b, a threaded hole a and a bolt, the fixed groove is fixedly connected with the metal connecting frame, and the connecting piece is detachably connected with the metal connecting frame.
The technical scheme of the utility model is further improved as follows: the metal connecting frame comprises a connecting rod a, wherein the connecting rod a is detachably connected with a connecting piece, a metal frame is arranged at the other end of the connecting rod a, a plurality of connecting rods b are arranged at the lower end of the metal frame, and the connecting rods b are in one-to-one correspondence and fixedly connected with the grounding column structures.
The technical scheme of the utility model is further improved as follows: one end of the connecting rod a is fixedly connected with the metal frame, the metal frame is fixedly connected with the connecting rods b, and the metal connecting frame is fixed in the main body.
The technical scheme of the utility model is further improved as follows: the grounding post structure is including the grounding post, the upper end of grounding post is provided with the connecting plate, the grounding post is hollow structure, and a plurality of through-holes have been seted up to this hollow structure to one of them through-hole inside is provided with the slide bar, the upper end of grounding post is provided with the extrusion pole, the upper end of extrusion pole is provided with the atress spare, the lower extreme of extrusion pole is provided with the extrusion piece, the both sides of extrusion piece all are provided with the slider, the lower extreme of grounding post is provided with inserts the ground point.
The technical scheme of the utility model is further improved as follows: the grounding post is fixedly connected with the sliding rod, the grounding post is fixedly connected with the connecting plate, the connecting plate is fixedly connected with the lower end face of the main body, the grounding post is in sliding connection with the extrusion rod, two ends of the extrusion rod are respectively fixedly connected with the stress piece and the extrusion block, the extrusion block is in sliding connection with the sliding pieces on two sides, the sliding pieces are in sliding connection with the grounding tip, and the grounding post is fixedly connected with the upper end of the grounding tip.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. The utility model provides a grounding structure of a distribution transformer, which is characterized in that under the combined action of a fixing plate, bolts, threaded holes a, a metal connecting frame, threaded holes b and fixing grooves, a connecting piece at the upper end is fixedly connected with a metal shell of the transformer, then the connecting piece at the lower end is matched with a connecting device to be connected with a main body, the main body is placed on the ground after the connection is completed, the main body is pressed down by using the bolts, a grounding column structure at the lower end is inserted into the ground, then a stress piece at the upper end of the grounding column structure is pressed, a sliding piece extends out of the inside of the grounding column under the action of the internal structure of the grounding column structure, the transformer is grounded in the mode, the grounding column structure can be prevented from being loose after long-time use, poor grounding caused by connection between grounding equipment and the ground is avoided, the connecting operation between the connecting device and an insulating layer is simple, the fixing plate and the fixing grooves are fixed through the bolts in a threaded matching connection mode, and the fixing structure is formed.
2. The utility model provides a grounding structure of a distribution transformer, which is characterized in that under the combined action of a connecting rod a, a metal frame and a connecting rod b, the metal connecting frame is made of conductive metal, the metal connecting frame is fixed with a connecting piece through the connecting rod a, and is fixed with a plurality of grounding post structures through the connecting rod b.
3. The utility model provides a grounding structure of a distribution transformer, which is characterized in that under the combined action of a grounding column, a connecting plate, extrusion rods, a stress piece, extrusion blocks, sliding pieces, sliding rods and a grounding tip, the grounding column structure is used in a manner of pressing the stress piece, the extrusion rods drive the extrusion blocks at the lower ends to descend, the extrusion blocks are meshed with the sliding pieces at the two sides and are in sliding connection, the sliding pieces can translate outside the grounding column under the extrusion of the extrusion blocks, the sliding rods can enable the sliding pieces to move along a given direction, the grounding column structure and the ground can form a firmer fixing mechanism after the sliding pieces are moved out, the problem that the grounding column structure and the ground are loosened after long-time use, so that the conduction effect is not ideal is avoided, and the grounding tip at the bottom can enable the grounding column structure to be easily inserted into the ground.
Drawings
FIG. 1 is a schematic view of a grounding structure of a distribution transformer according to the present utility model;
FIG. 2 is a schematic view of a connecting device according to the present utility model;
FIG. 3 is a schematic view of a metal connecting frame according to the present utility model;
fig. 4 is a schematic structural diagram of a grounding post structure according to the present utility model.
In the figure: 1. a main body; 2. a connecting device; 3. an insulating layer; 4. a ground wire; 5. a connecting piece; 6. a ground post structure; 21. a fixing plate; 22. a bolt; 23. a threaded hole a; 24. a metal connecting frame; 25. a threaded hole b; 26. a fixing groove; 241. a connecting rod a; 242. a metal frame; 243. a connecting rod b; 61. a grounding column; 62. a connecting plate; 63. an extrusion rod; 64. a force-bearing member; 65. extruding a block; 66. a slider; 67. a slide bar; 68. a ground insertion tip.
Detailed Description
The utility model is further illustrated by the following examples:
Example 1
As shown in fig. 1-4, the utility model provides a grounding structure of a distribution transformer, which comprises a main body 1, wherein a plurality of mounting holes are formed in the main body 1, a grounding column structure 6 is arranged in each mounting hole, a connecting device 2 is arranged at the side end of the main body 1, a grounding wire 4 is arranged at the upper end of the connecting device 2, an insulating layer 3 is sleeved outside the grounding wire 4, connecting pieces 5 are arranged at two ends of the grounding wire 4, and the connecting pieces 5 are fixedly connected with the grounding wire 4.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the connecting device 2 comprises a fixing plate 21, a threaded hole a23 is formed in the fixing plate 21, a bolt 22 is arranged on one side of the threaded hole a23, a fixing groove 26 for installing the fixing plate 21 and the connecting piece 5 is formed in the main body 1, a metal connecting frame 24 is arranged in the fixing groove 26, a threaded hole b25 is formed in one face of the fixing groove 26, which faces the fixing plate 21, of the fixing groove, the threaded holes b25, the threaded holes a23 and the bolts 22 are in one-to-one correspondence, the fixing plate 21 and the fixing groove 26 are detachably connected through the threaded holes b25, the threaded holes a23 and the bolts 22, the fixing groove 26 is fixedly connected with the metal connecting frame 24, and the connecting piece 5 and the metal connecting frame 24 are detachably connected.
In this embodiment, the connecting piece 5 at the upper end is fixedly connected with the metal shell of the transformer, then the connecting device 2 at the lower end is matched with the connecting device 2 to be connected with the main body 1, after the connection is completed, the main body 1 is placed on the ground, the main body 1 is pressed down by using the pressure, the grounding post structure 6 at the lower end is inserted into the ground, then the stress piece 64 at the upper end of the grounding post structure 6 is pressed, the sliding piece 66 stretches out of the grounding post 61 under the action of the internal structure of the grounding post structure 6, the transformer is grounded in this way, the grounding post structure 6 is arranged, the poor grounding caused by loosening of the connection between the grounding equipment and the ground after long-time use can be avoided, the connecting operation between the connecting device 2 and the insulating layer 3 is simple, the specific operation flow is that the connecting piece 5 at the lower end is aligned with the metal connecting frame 24 and then fixed, then the fixing plate 21 and the fixing groove 26 are fixed by the bolt 22, and the bolt 22 is in threaded hole a23 and the threaded hole b25 are matched and connected to form a fixing structure, the connecting relation is simple, the electric welding connection relation is not needed, and the electric welding maintenance is convenient after the fixing is carried out.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the metal connecting frame 24 includes a connecting rod a241, the connecting rod a241 is detachably connected with the connecting piece 5, the other end of the connecting rod a241 is provided with a metal frame 242, the lower end of the metal frame 242 is provided with a plurality of connecting rods b243, the connecting rods b243 are in one-to-one correspondence with the grounding post structures 6 and are fixedly connected, one end of the connecting rod a241 is fixedly connected with the metal frame 242, the metal frame 242 is fixedly connected with the plurality of connecting rods b243, and the metal connecting frame 24 is fixed in the main body 1.
In this embodiment, the metal connecting frame 24 is made of conductive metal, the metal connecting frame 24 is fixed with the connecting piece 5 through the connecting rod a241, and is fixed with the plurality of grounding post structures 6 through the connecting rod b243, so that the metal shell of the transformer is communicated with the grounding post structures 6, and the metal connecting frame 24 is wrapped by the main body 1, so that the metal connecting frame 24 can be prevented from being corroded after long-time use, and the service life of the device is prolonged.
Example 4
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the grounding post structure 6 comprises a grounding post 61, a connecting plate 62 is arranged at the upper end of the grounding post 61, the grounding post 61 is of a hollow structure, a plurality of through holes are formed in the hollow structure, a sliding rod 67 is arranged in one through hole, an extrusion rod 63 is arranged at the upper end of the grounding post 61, a stress piece 64 is arranged at the upper end of the extrusion rod 63, an extrusion block 65 is arranged at the lower end of the extrusion rod 63, sliding pieces 66 are arranged at two sides of the extrusion block 65, a grounding tip 68 is arranged at the lower end of the grounding post 61, the grounding post 61 is fixedly connected with the sliding rod 67, the grounding post 61 is fixedly connected with the connecting plate 62, the connecting plate 62 is fixedly connected with the lower end face of the main body 1, the grounding post 61 is slidably connected with the extrusion rod 63, the two ends of the extrusion rod 63 are fixedly connected with the extrusion block 65 respectively with the stress piece 64, the extrusion block 65 is slidably connected with the sliding pieces 66 at two sides, the sliding pieces 66 are slidably connected with the grounding tip 68, and the grounding post 61 is fixedly connected with the upper end of the grounding tip 68.
The working principle of the grounding structure of the distribution transformer is specifically described below.
As shown in fig. 1 to 4, when the device is used, the device is fixedly connected with a metal shell of a transformer through a connecting piece 5 at the upper end, then is connected with a main body 1 through a connecting device 2 at the lower end in a matching way, after the connection is completed, the main body 1 is placed on the ground, the main body 1 is pressed down by using a pressing force piece 64 at the upper end of a grounding post structure 6 after the grounding post structure 6 is inserted into the ground, a sliding piece 66 stretches out of the inside of the grounding post 61 under the action of the internal structure of the grounding post structure 6, the transformer is grounded in this way, and the grounding post structure 6 is arranged to avoid bad grounding caused by loose connection between grounding equipment and the ground after long-time use, wherein the connection operation between the connecting device 2 and an insulating layer 3 is simple, and the specific operation flow is that the connecting piece 5 at the lower end is aligned with a metal connecting frame 24 and then fixed, then fixing the fixing plate 21 and the fixing groove 26 through the bolts 22, wherein the fixing mode is that the bolts 22 are in threaded fit connection with the threaded holes a23 and the threaded holes b25 to form a fixing structure, the connection relation is simple, electric welding is not needed to be used for fixing, the later disassembly and maintenance are convenient, the metal connecting frame 24 is made of conductive metal, the metal connecting frame 24 is fixed with the connecting piece 5 through the connecting rod a241, the metal connecting frame 24 is fixed with the grounding column structures 6 through the connecting rod b243, the metal shell of the transformer is communicated with the grounding column structures 6 through the connecting rod b243, the main body 1 wraps the metal connecting frame 24, corrosion of the metal connecting frame 24 after long-time use can be avoided, the service life of equipment is prolonged, the grounding column structures 6 are used in a manner of pressing the stress piece 64, at the moment, the extruding rod 63 drives the extruding block 65 at the lower end to descend, because the extrusion piece 65 and the sliding pieces 66 on two sides are meshed and slidingly connected, the sliding pieces 66 can translate outwards to the grounding column 61 under the extrusion of the extrusion piece 65, the sliding rods 67 can enable the sliding pieces 66 to move along the set direction, the grounding column structure 6 and the ground can form a firmer fixing mechanism after the sliding pieces 66 are moved out, looseness between the grounding column structure 6 and the ground after long-time use is avoided, poor conduction effect is caused, and the grounding pointed end 68 is arranged at the bottom to enable the grounding column structure 6 to be easily inserted into the ground.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. A distribution transformer grounding structure, comprising a main body (1), characterized in that: the novel grounding device is characterized in that a plurality of mounting holes are formed in the main body (1) and each mounting hole is internally provided with a grounding column structure (6), the side end of the main body (1) is provided with a connecting device (2), the upper end of the connecting device (2) is provided with a grounding wire (4), an insulating layer (3) is sleeved outside the grounding wire (4), two ends of the grounding wire (4) are respectively provided with a connecting piece (5), and the connecting pieces (5) are fixedly connected with the grounding wire (4).
2. A distribution transformer grounding structure as claimed in claim 1, wherein: connecting device (2) are including fixed plate (21), threaded hole a (23) have been seted up on fixed plate (21), one side of threaded hole a (23) is provided with bolt (22), set up fixed slot (26) that are used for installing fixed plate (21) and connecting piece (5) on main part (1), be provided with metal link (24) in fixed slot (26), threaded hole b (25) have been seted up on the one side of fixed slot (26) orientation fixed plate (21), threaded hole b (25), threaded hole a (23) and bolt (22) one-to-one.
3. A distribution transformer grounding structure as claimed in claim 2, wherein: the fixing plate (21) is detachably connected with the fixing groove (26) through a threaded hole b (25), a threaded hole a (23) and a bolt (22), the fixing groove (26) is fixedly connected with the metal connecting frame (24), and the connecting piece (5) is detachably connected with the metal connecting frame (24).
4. A distribution transformer grounding structure according to claim 3, characterized in that: the metal connecting frame (24) comprises a connecting rod a (241), the connecting rod a (241) is detachably connected with the connecting piece (5), a metal frame (242) is arranged at the other end of the connecting rod a (241), a plurality of connecting rods b (243) are arranged at the lower end of the metal frame (242), and the connecting rods b (243) are in one-to-one correspondence with the grounding column structures (6) and are fixedly connected.
5. A distribution transformer grounding structure as set forth in claim 4 wherein: one end of the connecting rod a (241) is fixedly connected with the metal frame (242), the metal frame (242) is fixedly connected with the plurality of connecting rods b (243), and the metal connecting frame (24) is fixed in the main body (1).
6. A distribution transformer grounding structure as claimed in claim 1, wherein: the utility model provides a grounding post structure (6) is including grounding post (61), the upper end of grounding post (61) is provided with connecting plate (62), grounding post (61) is hollow structure, and a plurality of through-holes have been seted up to this hollow structure to inside slide bar (67) that is provided with of one of them through-hole, the upper end of grounding post (61) is provided with extrusion pole (63), the upper end of extrusion pole (63) is provided with atress spare (64), the lower extreme of extrusion pole (63) is provided with extrusion piece (65), the both sides of extrusion piece (65) all are provided with slider (66), the lower extreme of grounding post (61) is provided with inserts ground point (68).
7. A distribution transformer grounding structure as set forth in claim 6, wherein: the utility model discloses a ground connection post, including grounding post (61), connecting plate (62) and lower terminal surface fixed connection of main part (1), grounding post (61) and extrusion pole (63) sliding connection, the both ends of extrusion pole (63) respectively with atress spare (64) and extrusion piece (65) fixed connection, extrusion piece (65) and slider (66) sliding connection of both sides, slider (66) and insert ground point (68) all sliding connection, grounding post (61) and insert upper end fixed connection of ground point (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671155.5U CN220963789U (en) | 2023-09-28 | 2023-09-28 | Distribution transformer grounding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671155.5U CN220963789U (en) | 2023-09-28 | 2023-09-28 | Distribution transformer grounding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220963789U true CN220963789U (en) | 2024-05-14 |
Family
ID=91015630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322671155.5U Active CN220963789U (en) | 2023-09-28 | 2023-09-28 | Distribution transformer grounding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220963789U (en) |
-
2023
- 2023-09-28 CN CN202322671155.5U patent/CN220963789U/en active Active
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