CN220964070U - Bus bridging ground device of transformer substation - Google Patents
Bus bridging ground device of transformer substation Download PDFInfo
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- CN220964070U CN220964070U CN202322391504.8U CN202322391504U CN220964070U CN 220964070 U CN220964070 U CN 220964070U CN 202322391504 U CN202322391504 U CN 202322391504U CN 220964070 U CN220964070 U CN 220964070U
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- axle housing
- threaded rod
- protective shell
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- 238000009413 insulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a transformer substation bus bridging ground device which comprises an axle housing, wherein a bus is arranged in an inner cavity of the axle housing, an internal grounding wire is arranged at the bottom of the bus, an electric connection piece is fixedly connected with the inner cavity of the axle housing, one end of the internal grounding wire is contacted with the top of the electric connection piece, a sealing piece is fixedly arranged in the inner cavity of the axle housing, an external grounding wire is inserted into the inner cavity of the sealing piece, one end of the external grounding wire is contacted with the bottom of the electric connection piece, and a clamping assembly is arranged at the bottom of the axle housing. Through the cooperation of axle housing, generating line, inside earth connection, backup pad, first threaded rod, electric piece, outside earth connection and clamping assembly use, the bus bridge ground device can't fix outside earth connection among the prior art has been solved, makes outside earth connection drop easily, leads to substation equipment to lose correct ground potential reference, increases the risk that equipment received overvoltage and overcurrent to lead to the equipment damage of being connected to the transformer substation.
Description
Technical Field
The utility model belongs to the technical field of substations, and particularly relates to a bus bridging ground device of a substation.
Background
The transformer substation is an important facility in the power system and is used for converting, distributing and protecting electric energy, and the transformer substation is a bridge between different voltage levels in the power system and plays a key role in electric energy regulation and transmission, and a transformer substation bus bridging device is needed in the transformer substation.
For example, application number: CN201520201371.6, the bus bar bridging ground device of the transformer substation provided by the utility model belongs to the technical field of transformer substation grounding, and mainly solves the problems that in the prior art, personnel are required to break an insulating package for grounding in high-altitude operation, so that the potential safety hazard is very high, and time and labor are wasted. The device comprises a grounding electrode and is characterized in that: the novel electric cable comprises a conductive base and an insulating buckle box, wherein the conductive base is an L-shaped plate; the insulation buckle box comprises a box bottom and a box cover, wherein a box bottom through hole consistent with the base through hole is formed in the middle of the box bottom, and the edge of the box cover is hinged with the edge of the box bottom through a hinge device; the grounding electrode penetrates through the through hole at the bottom of the box and the through hole at the base and is fixed with the conductive base, and the outer wall of the box cover is provided with a convex edge for opening the box; the horizontal part of the conductive base is fixedly connected with the bus bridge and then is encapsulated by an insulating material; the grounding electrode is fixedly connected with the vertical part of the conductive base and then is subjected to insulation encapsulation; the box cover and the bottom edge of the box are provided with buckling noses. The electricity inspection and grounding can be conveniently carried out, the safety and the reliability are realized, and the convenience and the high efficiency are realized.
Based on the above patent search and the discovery of the bus bridge ground device in combination with the prior art, when the bus bridge ground device of the transformer substation is applied, although the problems of hidden safety, time and labor waste existing in the bus bridge ground in the prior art are solved, the grounding wire cannot be clamped and fixed, the external grounding wire is easy to drop off, the external grounding wire drops off to cause the transformer substation equipment to lose correct ground potential reference, the risk that the equipment is subjected to overvoltage and overcurrent is increased, and the equipment connected to the transformer substation is damaged.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model provides the bus bridging ground device of the transformer substation, which has the advantage of clamping and fixing the external grounding wire, and solves the problem that the external grounding wire falls off due to the fact that the existing bus bridging ground device cannot clamp and fix the external grounding wire.
The utility model discloses a transformer substation bus bridging ground device, which comprises an axle housing, wherein a bus is arranged in an inner cavity of the axle housing, an internal grounding wire is arranged at the bottom of the bus, a supporting plate is fixedly connected with the inner cavity of the axle housing, a first threaded rod is fixedly connected with the bottom of the supporting plate, an electric connection piece is sleeved on the surface of the first threaded rod, the internal grounding wire is sleeved on the surface of the first threaded rod, one end of the internal grounding wire is contacted with the top of the electric connection piece, an external grounding wire is sleeved on the surface of the first threaded rod, one end of the external grounding wire is contacted with the bottom of the electric connection piece, and a clamping assembly is arranged at the bottom of the axle housing.
As the preferred mode of the utility model, the clamping assembly comprises a protective shell, the protective shell is fixedly arranged at the bottom of the axle housing, two groups of springs are symmetrically and fixedly arranged at the front side and the rear side of the inner cavity of the protective shell, one ends of the two groups of springs are fixedly connected with clamping blocks, the inner cavities of the two groups of clamping blocks are contacted with an external grounding wire, the right side of the protective shell is in threaded connection with a second threaded rod, one end of the second threaded rod penetrates through the inner cavity of the protective shell and is fixedly connected with a push plate, the left side of the push plate is symmetrically and fixedly connected with two groups of support rods, the left side of the support rods is fixedly connected with pulleys, the surface of each pulley is contacted with the right side of each clamping block, and the left side of the protective shell is movably connected with a box door through a shaft pin.
As the preferable mode of the utility model, the inner cavities of the two groups of clamping blocks are fixedly connected with rubber sleeves, and the rubber sleeves are arranged in a semicircular shape.
As the preferable mode of the utility model, the front side and the rear side of the protective shell are symmetrically inserted with two groups of limiting rods, and one end of each limiting rod is fixedly connected with the clamping block.
As the preferable mode of the utility model, the front side and the rear side of the inner cavity of the protective shell are symmetrically and fixedly provided with two groups of fixing blocks, a sliding rod is fixedly connected between the two groups of fixing blocks, sliding sleeves are sleeved on the surfaces of the two groups of sliding rods, and one side, opposite to the sliding sleeves, of each sliding sleeve is fixedly connected with the supporting rod.
As the preferable mode of the utility model, the inner cavity of the protective shell is fixedly connected with a rubber sheet, and the surface of the external grounding wire is contacted with the inner cavity of the rubber sheet.
Preferably, a thread sleeve is connected to the surface of the first threaded rod in a threaded manner, and one end of the thread sleeve is in contact with one end of an external ground wire.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the inner grounding wire is sleeved on the first threaded rod, so that the inner grounding wire is contacted with the top of the grounding piece, the outer grounding wire is positioned through the rubber piece by penetrating the outer grounding wire through the rubber piece, at the moment, the outer grounding wire is sleeved on the first threaded rod, then the outer grounding wire is clamped by screwing the threaded sleeve, one end of the outer grounding wire is contacted with the bottom of the grounding piece, and then the outer grounding wire is extruded by the clamping assembly, so that the outer grounding wire is clamped and fixed, the outer grounding wire is prevented from falling off, and the safety and reliability of a power system are improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic view of a bottom view of an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 4 is an enlarged view of FIG. 3A provided by an embodiment of the present utility model;
FIG. 5 is a schematic view of a clamping assembly according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a split structure of a clamping assembly according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram of a protective housing and a door according to an embodiment of the present utility model.
In the figure: 1. a bridge housing; 2. a bus; 3. an internal ground wire; 4. a support plate; 5. a first threaded rod; 6. a power connection sheet; 7. an external ground wire; 8. a thread sleeve; 9. a clamping assembly; 901. a protective shell; 902. a spring; 903. a limit rod; 904. clamping blocks; 905. a rubber sleeve; 906. a second threaded rod; 907. a push plate; 908. a support rod; 909. a pulley; 910. a fixed block; 911. a slide bar; 912. a sliding sleeve; 913. a door; 10. a rubber sheet.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the bus bridging ground device for the transformer substation provided by the embodiment of the utility model comprises an axle housing 1, a bus 2 is arranged in an inner cavity of the axle housing 1, an internal grounding wire 3 is arranged at the bottom of the bus 2, a supporting plate 4 is fixedly connected with an inner cavity of the axle housing 1, a first threaded rod 5 is fixedly connected with the bottom of the supporting plate 4, an electric connection piece 6 is sleeved on the surface of the first threaded rod 5, the internal grounding wire 3 is sleeved on the surface of the first threaded rod 5, one end of the internal grounding wire 3 is contacted with the top of the electric connection piece 6, an external grounding wire 7 is sleeved on the surface of the first threaded rod 5, one end of the external grounding wire 7 is contacted with the bottom of the electric connection piece 6, and a clamping assembly 9 is arranged at the bottom of the axle housing 1.
Referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, clamping assembly 9 includes a protecting shell 901, protecting shell 901 fixed mounting is in the bottom of axle housing 1, the front side and the rear side of protecting shell 901 inner chamber are symmetrical fixed mounting and have two sets of springs 902, the one end fixedly connected with clamp splice block 904 of two sets of springs 902, the inner chamber and the outside earth wire 7 contact of two sets of clamp splice blocks 904, right side threaded connection of protecting shell 901 has second threaded rod 906, the one end of second threaded rod 906 runs through to the inner chamber fixedly connected with push pedal 907 of protecting shell 901, the left side of push pedal 907 is symmetrical fixedly connected with two sets of bracing piece 908, the left side fixedly connected with pulley 909 of bracing piece 908, the surface of pulley 909 contacts with the right side of clamp splice block 904, the left side of protecting shell 901 is through pivot swing joint there is chamber door 913, the inner chamber of two sets of clamp splice block 904 is all fixedly connected with rubber sleeve 905, the rubber sleeve 905 is semicircular setting, the front side and the rear side of protecting shell 901 is symmetrical grafting and has two sets of spacing bars 903, one end and clamp splice block 904 is fixedly connected with clamp splice block 904, the left side and right side of bracing piece 912 is fixedly connected with slide bar 910, slide bushing 910 is fixed with two sets of slide bushing 910 is fixed with both sides of slide bushing 908.
The scheme is adopted: through twisting the second threaded rod 906 in the clamping assembly 9, then the second threaded rod 906 drives the supporting rod 908 on the push plate 907 to move to the left side, moves on the sliding rod 911 through the sliding sleeve 912, limits the push plate 907, then drives the pulley 909 to move on the inclined plane of the clamping block 904, at the moment, extrudes the inclined plane through the pulley 909, so that the clamping block 904 drives the spring 902 to extend, limits the spring 902 through the limiting rod 903, and then drives the rubber sleeve 905 to extrude the external grounding wire 7 through the clamping block 904, so that the external grounding wire 7 is clamped and fixed, the external grounding wire 7 is prevented from falling off, the safety and reliability of a power system are improved, and when maintenance is required in the protective shell 901, the box door 913 can be directly opened.
Referring to fig. 3, 4 and 5, the inner cavity of the protective housing 901 is fixedly connected with a rubber sheet 10, the surface of the external ground wire 7 is in contact with the inner cavity of the rubber sheet 10, the surface of the first threaded rod 5 is in threaded connection with a thread bush 8, and one end of the thread bush 8 is in contact with one end of the external ground wire 7.
The scheme is adopted: through setting up sheet rubber 10, be convenient for fix a position outside earth connection 7, through setting up thread bush 8, be convenient for fix outside earth connection 7 through twisting thread bush 8.
The working principle of the utility model is as follows:
When the electric power system is used, the inner grounding wire 3 is sleeved on the first threaded rod 5, the inner grounding wire 3 is in contact with the top of the grounding plate 6, the outer grounding wire 7 passes through the rubber sheet 10, the outer grounding wire 7 is positioned through the rubber sheet 10, the outer grounding wire 7 is sleeved on the first threaded rod 5 at the moment, then the outer grounding wire 7 is clamped by screwing the thread bush 8, one end of the outer grounding wire 7 is further in contact with the bottom of the grounding plate 6, at the moment, the second threaded rod 906 in the clamping assembly 9 is twisted, then the second threaded rod 906 drives the supporting rod 908 on the push plate 907 to move leftwards, the sliding sleeve 912 moves on the sliding rod 911, the push plate 907 is limited, then the pulley 909 is driven to move on the inclined plane of the clamping block 904, at the moment, the clamping block 904 drives the spring 902 to extend, the limiting rod 903 drives the rubber sleeve 905 to extrude the outer grounding wire 7, the outer grounding wire 7 is fixed, the outer grounding wire 7 is prevented from falling off, safety and reliability of the electric power system is improved, and when the inner part of the electric power system needs to be protected, namely, a door 913 is directly maintained.
To sum up: this transformer substation's generating line bridging ground device uses through the cooperation of axle housing 1, generating line 2, inside earth connection 3, backup pad 4, first threaded rod 5, electric patch 6, outside earth connection 7 and clamping component 9, has solved among the prior art that generating line bridging ground device can't fix outside earth connection, makes outside earth connection drop easily, leads to the transformer substation equipment to lose correct ground potential reference, increases the risk that equipment received overvoltage and overcurrent to lead to the problem that the equipment that is connected to the transformer substation damaged.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Substation bus bridging ground device, including axle housing (1), its characterized in that: the utility model discloses a bridge housing, including inner chamber, inner ground wire (7), clamping assembly (9) are installed to inner chamber, inner chamber of axle housing (1) is provided with busbar (2), the bottom of busbar (2) is provided with inside earth connection (3), inner chamber fixedly connected with backup pad (4) of axle housing (1), the bottom fixedly connected with first threaded rod (5) of backup pad (4), the surface cover of first threaded rod (5) is equipped with electric connection piece (6), the surface of first threaded rod (5) is located to inside earth connection (3) cover, the one end and the top contact of electric connection piece (6) of inner ground wire (3), the surface cover of first threaded rod (5) is equipped with outside earth connection (7), the one end and the bottom contact of electric connection piece (6) of outside earth connection (7), clamping assembly (9) are installed to the bottom of axle housing (1).
2. The substation bus bar bridging ground device of claim 1, wherein: the clamping assembly (9) comprises a protective shell (901), the bottom of the axle housing (1) is fixedly arranged at the protective shell (901), two groups of springs (902) are symmetrically and fixedly arranged at the front side and the rear side of an inner cavity of the protective shell (901), one ends of the springs (902) are fixedly connected with clamping blocks (904), the inner cavities of the clamping blocks (904) are in contact with an external grounding wire (7), a second threaded rod (906) is connected with the right side of the protective shell (901) in a threaded manner, one end of the second threaded rod (906) penetrates through a push plate (907) fixedly connected with the inner cavity of the protective shell (901), two groups of supporting rods (908) are symmetrically and fixedly connected at the left side of the push plate (907), the surfaces of the pulleys (909) are in contact with the right side of the clamping blocks (904), and a box door (913) is movably connected to the left side of the protective shell (901) through a shaft pin.
3. The substation busbar bridging ground device of claim 2, wherein: the inner cavities of the two groups of clamping blocks (904) are fixedly connected with rubber sleeves (905), and the rubber sleeves (905) are arranged in a semicircular mode.
4. The substation busbar bridging ground device of claim 2, wherein: the front side and the rear side of the protective shell (901) are symmetrically inserted with two groups of limiting rods (903), and one end of each limiting rod (903) is fixedly connected with the clamping block (904).
5. The substation busbar bridging ground device of claim 2, wherein: the front side and the rear side of the inner cavity of the protective shell (901) are symmetrically and fixedly provided with two groups of fixed blocks (910), a sliding rod (911) is fixedly connected between the two groups of fixed blocks (910), sliding sleeves (912) are sleeved on the surfaces of the two groups of sliding rods (911), and one sides of the two groups of sliding sleeves (912) opposite to each other are fixedly connected with the supporting rods (908).
6. The substation busbar bridging ground device of claim 2, wherein: the inner cavity of the protective shell (901) is fixedly connected with a rubber sheet (10), and the surface of the external grounding wire (7) is in contact with the inner cavity of the rubber sheet (10).
7. The substation bus bar bridging ground device of claim 1, wherein: the surface thread of first threaded rod (5) is connected with thread bush (8), the one end of thread bush (8) and the one end contact of outside earth connection (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322391504.8U CN220964070U (en) | 2023-09-04 | 2023-09-04 | Bus bridging ground device of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322391504.8U CN220964070U (en) | 2023-09-04 | 2023-09-04 | Bus bridging ground device of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220964070U true CN220964070U (en) | 2024-05-14 |
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ID=91017912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322391504.8U Active CN220964070U (en) | 2023-09-04 | 2023-09-04 | Bus bridging ground device of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220964070U (en) |
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2023
- 2023-09-04 CN CN202322391504.8U patent/CN220964070U/en active Active
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