Power transformer iron core grounding structure
By introducing adjustment and fixing mechanisms into the grounding structure of the power transformer core, the problem of inconvenient disassembly of the grounding wire is solved, enabling convenient installation and maintenance of the grounding wire, improving maintenance efficiency and enhancing structural stability.
Patent Information
- Application Number
- CN202422915547.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The existing grounding structure of power transformer cores requires the grounding wire to be pulled out during inspection and maintenance, which causes the ground to become loose, making installation inconvenient and disassembly difficult, thus affecting the efficiency of inspection and maintenance.
The system employs an adjustment mechanism and a fixing mechanism, including a first screw, a first hexagonal nut, a first nut sleeve, a second threaded rod, a second hexagonal nut, and a second nut sleeve. The threaded connection enables convenient disassembly and installation of the grounding wire. Combined with a concave grounding wire and a grounding connection plate, the length of the grounding wire can be adjusted and fixed.
It enables convenient disassembly and installation of grounding wires, improves inspection and maintenance efficiency, reduces ground damage, and enhances the stability of grounding structures.
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Figure CN223471475U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of transformer core grounding structure, and in particular to a power transformer core grounding structure. BACKGROUND
[0002] Most of the existing power transformer core grounding is connected to the ground and the core by using simple grounding body and grounding wire, and the grounding body is directly inserted or buried in the ground.
[0003] But in the process of actual application, the connection strength is not high, and when the grounding wire is maintained and repaired, the grounding wire needs to be pulled out of the ground, which causes the surrounding land to be damaged, and in the subsequent installation of the grounding, the staff needs to find a place again, and if it is installed in the original position, the grounding body is easy to pull out of the ground due to the loosening of the ground, so that there is certain limitation in the process of use, and most of the exposed parts of the grounding structure are integrated with the mounting plate, and once fixed, it is not convenient for the staff to maintain and repair, and it is not convenient to disassemble.
[0004] Therefore, the technical personnel in the art provides a power transformer core grounding structure to solve the problems in the background art. CONTENT OF THE INVENTION
[0005] In order to solve the problem that the fixed grounding wire needs to be pulled out of the ground by the staff in the process of maintenance and repair, the soil of the ground is loosened after being pulled out, and the staff needs to select the position of the grounding wire in the process of installation, so that the staff is not convenient to maintain and repair, and it is not convenient to disassemble, the present application provides a power transformer core grounding structure.
[0006] The power transformer core grounding structure provided by the present application adopts the following technical scheme: a transformer main body is provided, a grounding wire is connected to the core of the transformer main body, a concave grounding wire is slidably connected to the surface of the grounding wire, an adjusting mechanism is arranged between the concave grounding wire and the grounding wire, a grounding connecting plate is inserted into the bottom of the concave grounding wire, a fixing mechanism is arranged between the grounding connecting plate and the concave grounding wire, a grounding plate is fixedly connected to the grounding connecting plate, threaded grounding nails are threadedly connected to the four corners of the grounding plate, and threaded caps are fixedly connected to the top of the threaded grounding nails.
[0007] Preferably, the adjusting mechanism comprises a first screw rod, a first hexagonal nut, and a first nut barrel, the inside of the concave grounding wire is provided with a plurality of first hexagonal clamping grooves for clamping the first hexagonal nut and providing the first screw rod to pass through, and the inside of the grounding wire is provided with a through hole matching the size of the first screw rod, and the end of the first screw rod passing through the concave grounding wire is threadedly connected with the outer surface of the grounding wire and the first nut barrel.
[0008] Preferably, the fixing mechanism comprises a second threaded rod, a second hexagonal nut, and a second nut barrel, one side of the grounding connecting plate is provided with a plurality of second hexagonal clamping grooves for clamping the second hexagonal nut and providing the second threaded rod to pass through, and the end of the second threaded rod passing through the second hexagonal clamping grooves and the first hexagonal clamping grooves is threadedly connected with the second nut barrel.
[0009] Preferably, the model of the second threaded rod is the same as that of the first screw rod.
[0010] Preferably, the outer surface of the threaded nut is sleeved with a rubber sleeve.
[0011] Preferably, the outer surface of the second nut barrel is fixedly connected with a handle.
[0012] In summary, the present application has the following beneficial technical effects:
[0013] 1. By setting the second nut barrel, the second threaded rod, the grounding connecting plate, and the second hexagonal clamping groove, the threaded connection between the second nut barrel and the second threaded rod is released by rotating the second nut barrel, and at the same time, the second nut barrel is separated from one side of the grounding connecting plate, the fixing of the concave grounding wire is released, the disassembly of the grounding wire by the staff is facilitated, and the maintenance and maintenance of the grounding wire are facilitated.
[0014] 2. By setting the concave grounding wire, the grounding wire, the first screw rod, the first hexagonal nut, and the first nut barrel, the length between the concave grounding wire and the grounding wire is adjusted by pulling the concave grounding wire to slide downward, then the first hexagonal nut is clamped into the first hexagonal clamping groove, the first screw rod passes through the inside of the first hexagonal clamping groove and the through hole and cooperates with the first nut barrel, the first nut barrel is threadedly connected with the first screw rod by rotating the first nut barrel, the first nut barrel reaches one side of the grounding wire, and the grounding wire and the concave grounding wire are quickly fixedly connected together, thereby achieving the effect of adjusting the length of the grounding wire. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a front structure schematic diagram of a power transformer core grounding structure in an embodiment of the present application;
[0016] Figure 2 is an internal cross-sectional structure schematic diagram of a power transformer core grounding structure in an embodiment of the present application;
[0017] Figure 3 is a structural schematic view of the internal section of the grounding wire connecting plate of the power transformer core grounding structure in the embodiment of the present application. Figure 2 is an enlarged structural schematic view of part A in the figure.
[0018] Figure 4 is a structural schematic view of the internal section of the grounding wire connecting plate of the power transformer core grounding structure in the embodiment of the present application.
[0019] The reference numerals are explained as follows: 1, transformer main body; 2, grounding wire; 3, concave grounding wire; 4, first screw rod; 5, handle; 6, first hexagonal nut; 7, first nut cylinder; 8, first hexagonal clamping groove; 9, through hole; 10, grounding connecting plate; 11, second hexagonal clamping groove; 12, second threaded rod; 13, second hexagonal nut; 14, second nut cylinder; 15, grounding plate; 16, threaded grounding spike; 17, threaded cap. DETAILED DESCRIPTION
[0020] The technical solutions of the present application will be described in detail below with reference to the accompanying drawings. Figures 1-4 The technical solutions of the present application will be described in detail below with reference to the accompanying drawings.
[0021] The embodiment of the present application discloses a power transformer core grounding structure, referring to Figures 1-4 , comprising a transformer main body 1, a grounding wire 2 is connected to the core of the transformer main body 1, a concave grounding wire 3 is slidingly connected to the surface of the grounding wire 2, and an adjusting mechanism is arranged between the concave grounding wire 3 and the grounding wire 2; by arranging the adjusting mechanism, the concave grounding wire 3 and the grounding wire 2, when adjusting the length of the grounding wire 2, the concave grounding wire 3 is pulled to slide downward and slide out of the surface of the grounding wire 2, and then the concave grounding wire 3 and the grounding wire 2 are fixed together by the adjusting mechanism, so as to adjust the length of the grounding wire 2 according to the height of the transformer main body 1, and achieve the effect of being applicable to transformer main bodies 1 of different heights.
[0022] In the application, the adjusting mechanism comprises the first screw rod 4, the first hexagonal nut 6, and the first nut barrel 7. The recessed grounding wire 3 is internally provided with a plurality of first hexagonal clamping grooves 8 for clamping the first hexagonal nut 6 and providing the first screw rod 4 to pass through. The grounding wire 2 is internally provided with a through hole 9 matching the size of the first screw rod 4. One end of the recessed grounding wire 3 and the grounding wire 2 externally threadedly connected with the first nut barrel 7. By arranging the first hexagonal nut 6, the first screw rod 4, and the first nut barrel 7, the grounding wire 2 and the recessed grounding wire 3 can be quickly and fixedly connected together during the process of fixing and connecting the grounding wire 2 and the recessed grounding wire 3 together.
[0023] In the application, the grounding connecting plate 10 is inserted into the bottom of the recessed grounding wire 3, and the grounding connecting plate 10 and the recessed grounding wire 3 are provided with a fixing mechanism. By arranging the grounding connecting plate 10, the recessed grounding wire 3, and the fixing mechanism, the recessed grounding wire 3 can be disassembled or fixed on the grounding plate 15 through the fixing mechanism when the recessed grounding wire 3 is disassembled, thereby achieving the effect of facilitating the maintenance or repair of the grounding wire 2 by the staff.
[0024] In the application, the fixing mechanism comprises the second threaded rod 12, the second hexagonal nut 13, and the second nut barrel 14. The model of the second threaded rod 12 is the same as that of the first screw rod 4. One side of the grounding connecting plate 10 is provided with a plurality of second hexagonal clamping grooves 11 for clamping the second hexagonal nut 13 and providing the second threaded rod 12 to pass through. The second threaded rod 12 passes through the second hexagonal clamping groove 11 and threadedly connects with the second nut barrel 14 at one end of the first hexagonal clamping groove 8. The outer surface of the second nut barrel 14 is fixedly connected with the handle 5. By arranging the second hexagonal nut 13, the second threaded rod 12, and the second nut barrel 14, the effect of quickly disassembling or installing the recessed grounding wire 3 and the grounding connecting plate 10 is achieved.
[0025] In the application, the grounding plate 15 is fixedly connected to the grounding connecting plate 10. The four corners of the grounding plate 15 are threadedly connected with the threaded grounding nails 16. The top of the threaded grounding nail 16 is fixedly connected with the threaded cap 17. The outer surface of the threaded cap 17 is sleeved with a rubber sleeve. By arranging the rubber sleeve, the threaded grounding nail 16, and the threaded cap 17, the threaded grounding nails 16 on the four corners of the grounding plate 15 are inserted into the ground, and then the rubber sleeve is sleeved on the threaded cap 17, so that the grounding plate 15 and the ground are fixed together.
[0026] The grounding wire 2, the recessed grounding wire 3, the grounding connecting plate 10, the grounding plate 15, and the threaded grounding nail 16 form a complete grounding wire 2.
[0027] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0028] The implementation principle of the power transformer core grounding structure in the embodiment of the application is as follows: in use, the transformer main body 1 is installed at a height, then the concave grounding wire 3 is pulled down to slide, the length between the concave grounding wire 3 and the grounding wire 2 is adjusted, then the first hexagonal nut 6 is clamped into the first hexagonal clamping groove 8, the first screw rod 4 passes through the inside of the first hexagonal clamping groove 8 and the through hole 9 and cooperates with the first nut barrel 7, the first nut barrel 7 is screwed with the first screw rod 4, the first nut barrel 7 is abutted to one side of the grounding wire 2, the grounding wire 2 and the concave grounding wire 3 are quickly and fixedly connected together, then the threaded cap 17 is rotated to drive the threaded grounding spike 16 to pass through the grounding plate 15 and be inserted into the ground, the grounding plate 15 and the ground are fixedly connected together, the second nut barrel 14 is rotated to release the threaded connection between the second threaded rod 12, at the same time, the second nut barrel 14 is separated from one side of the grounding connecting plate 10, then the second threaded rod 12 is pushed to drive the second hexagonal nut 13 to be sequentially separated from the inside of the second hexagonal clamping groove 11 and the first hexagonal clamping groove 8, then the concave grounding wire 3 is pulled to be separated from the inside of the grounding connecting plate 10, the fixing of the concave grounding wire 3 is released, the grounding wire 2 is conveniently disassembled by the staff, and the effect that the grounding wire 2 is conveniently maintained and maintained is achieved.
[0029] Finally, the following points should be noted: first, in the description of the application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0030] Secondly: the utility model discloses the embodiment of the drawings, only the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.
Claims
1. A power transformer core grounding structure comprising a transformer body (1), characterized in that, The transformer body (1) is connected with the ground wire (2), the surface of the ground wire (2) is connected with the concave ground wire (3), the adjusting mechanism is arranged between the concave ground wire (3) and the ground wire (2), the bottom of the concave ground wire (3) is inserted with the ground connecting plate (10), the fixing mechanism is arranged between the ground connecting plate (10) and the concave ground wire (3), the ground connecting plate (10) is fixedly connected with the ground plate (15), the four corners of the ground plate (15) are threadedly connected with the threaded ground nail (16), the top of the threaded ground nail (16) is fixedly connected with the threaded cap (17).
2. A power transformer core grounding structure according to claim 1, characterized in that: The adjusting mechanism comprises a first screw rod (4), a first hexagonal nut (6) and a first nut cylinder (7), the inside of the concave ground wire (3) is provided with a plurality of first hexagonal clamping grooves (8) for clamping the first hexagonal nut (6) and providing the first screw rod (4) to pass through, the inside of the ground wire (2) is provided with a through hole (9) matched with the first screw rod (4), and one end of the first screw rod (4) is threadedly connected with the first nut cylinder (7) outside the concave ground wire (3) and the ground wire (2).
3. A power transformer core grounding structure according to claim 2, characterized in that: The fixing mechanism comprises a second threaded rod (12), a second hexagonal nut (13) and a second nut cylinder (14), one side of the ground connecting plate (10) is provided with a plurality of second hexagonal clamping grooves (11) for clamping the second hexagonal nut (13) and providing the second threaded rod (12) to pass through, and the second threaded rod (12) passes through the second hexagonal clamping groove (11) and the first hexagonal clamping groove (8) and is threadedly connected with the second nut cylinder (14) at one end.
4. A power transformer core grounding structure according to claim 3, characterized in that: The model of the second threaded rod (12) is the same as that of the first screw rod (4).
5. The grounding structure for the core of a power transformer according to claim 1, characterized in that: The outer surface of the threaded cap (17) is sleeved with a rubber sleeve.
6. A power transformer core grounding structure according to claim 3, characterized in that: The outer surface of the second nut cylinder (14) is fixedly connected with a handle (5). The outer surface of the threaded cap (17) is sleeved with a rubber sleeve.