CN207181463U - A kind of bushing shell for transformer prerun wiring special auxiliary device - Google Patents
A kind of bushing shell for transformer prerun wiring special auxiliary device Download PDFInfo
- Publication number
- CN207181463U CN207181463U CN201721229080.3U CN201721229080U CN207181463U CN 207181463 U CN207181463 U CN 207181463U CN 201721229080 U CN201721229080 U CN 201721229080U CN 207181463 U CN207181463 U CN 207181463U
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- Prior art keywords
- injection molding
- tooth
- auxiliary device
- stem
- transformer
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Abstract
The utility model discloses a kind of bushing shell for transformer prerun wiring special auxiliary device, its structure includes metallic plate, interior tooth copper post, precise injection molding lid, sealing ring, stem, live bearing, spring housing, it is grounded copper sheathing, spacing hole, fixed screw, flower tooth, a kind of bushing shell for transformer prerun wiring special auxiliary device of the present utility model, by the way that there is provided interior tooth copper post and precise injection molding lid, interior tooth copper post and precise injection molding lid spiral junction are provided with colored tooth, so that being easy to open and to bottom shielding of bushing not damaged, shell uses epoxy resin structural, good insulation preformance, hardness is big, external interference can be excluded during test, strong antijamming capability, equipment will not be caused to damage simultaneously.
Description
Technical field
The utility model is a kind of bushing shell for transformer prerun wiring special auxiliary device, belongs to bushing shell for transformer servicing unit
Field.
Background technology
When carrying out preventive trial, because requiring that end shield earth point is disconnected and can carried out, for different manufacturers, model set
Pipe end shield earthing mode is different, and structure is also variant, and according to statistics, bottom shielding of bushing structure common in system has three kinds at present：Spiral shell
Post spring compression type, internal connecting type and circumscribed.It is all more convenient when disconnecting line for internal connecting type and circumscribed end shield structural test
Simply, for spring compression type end shield structural casing, tradition carries out needing two people operation, a people when preventive trial removes earth point
End shield ground spring is pushed back with screwdriver or spanner, a people loads on end shield conducting rod in addition stops spring ejection
Safety plug（Usually use pen meter of universal meter）, then p-wire is clamped on exposed conducting rod and tested,（It is specifically shown in figure
1st, Fig. 2）Such a method needs two people operation when removing earth point, process is also very complicated, and easily scratches end shield grounding copper bar, connects
There is the risk of imperfect earth when going back, insulation event caused by end shield imperfect earth also repeatedly occurs in systems for such sleeve pipe
Barrier.
Utility model content
In view of the deficienciess of the prior art, to be to provide a kind of bushing shell for transformer prerun wiring special for the utility model purpose
Servicing unit, it is also very complicated to solve prior art process, and end shield grounding copper bar is easily scratched, there is ground connection when taking back not
Good risk, such sleeve pipe in systems also repeatedly occur end shield imperfect earth caused by insulation fault the problem of.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of bushing shell for transformer
Prerun wiring special auxiliary device, including metallic plate, interior tooth copper post, precise injection molding lid, sealing ring, stem, live bearing, bullet
Spring set, ground connection copper sheathing, spacing hole, fixed screw, flower tooth, the metallic plate upper end are fixedly connected with interior tooth copper post, the interior tooth
Colored tooth is provided with the outside of copper post, colored tooth is provided with the inside of the precise injection molding lid, the interior tooth copper post is noted by flower tooth with accurate
Modeling lid threaded connection, the precise injection molding lid or so two bottoms coordinate with sealing ring activity, the sealing ring lower end and metallic plate
It is connected, the stem lower end is flexibly connected by live bearing with metallic plate, lower end and spring housing on the outside of the stem
It is connected, the stem outer upper end is connected with ground connection copper sheathing, and the stem upper end is provided with a spacing hole, the gold
Category plate left and right ends are respectively arranged with a fixed screw.
Further, the fixed screw lower end will pass through metallic plate and be fixed on transformer.
Further, a diameter of 50cm of precise injection molding lid, inside is in stair shape, with ground connection copper sheathing it is mutually embedding and.
Further, a diameter of 40cm of interior tooth copper post, the internal diameter 31.5cm, are highly 12cm.
Further, a diameter of 12cm of the live bearing, internal diameter 6.5cm, thickness 5cm.
Further, the spring set upper side is connected with ground connection copper sheathing, and one protective case of composition wraps stem lower end
Wrap up in.
Further, the precise injection molding lid epoxy resin structural, good insulation preformance, hardness is big, can exclude during test
External interference, strong antijamming capability, while equipment will not be caused to damage.
Further, the sealing ring is made of natural rubber.
A kind of bushing shell for transformer prerun wiring special auxiliary device of the present utility model, by the way that there is provided interior tooth copper post and essence
Close injection molding cover, interior tooth copper post and precise injection molding lid spiral junction are provided with colored tooth so that are easy to open and to bottom shielding of bushing
Not damaged, shell use epoxy resin structural, and good insulation preformance, hardness is big, can exclude external interference, antijamming capability during test
By force, while equipment will not be caused to damage.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is precise injection molding lid floor map of the present utility model；
Fig. 3 is interior tooth copper post floor map of the present utility model；
Fig. 4 is live bearing floor map of the present utility model.
In figure：Metallic plate -1, interior tooth copper post -2, precise injection molding lid -3, sealing ring -4, stem -5, live bearing -6,
Spring housing -7, ground connection copper sheathing -8, spacing hole -9, fixed screw -10, flower tooth -11.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are referred to, the utility model provides a kind of bushing shell for transformer prerun wiring special auxiliary dress
Put, including metallic plate 1, interior tooth copper post 2, precise injection molding lid 3, sealing ring 4, stem 5, live bearing 6, spring housing 7, grounding copper
Set 8, spacing hole 9, fixed screw 10, flower tooth 11, the upper end of metallic plate 1 are fixedly connected with interior tooth copper post 2, and the outside of interior tooth copper post 2 is set
Colored tooth 11 is equipped with, the inner side of precise injection molding lid 3 is provided with colored tooth 11, and interior tooth copper post 2 is connected by flower tooth 11 and the screw thread of precise injection molding lid 3
Connect, the bottom of precise injection molding lid 3 or so two coordinates with the activity of sealing ring 4, and the lower end of sealing ring 4 is connected with metallic plate 1, stem 5
Lower end is flexibly connected by live bearing 6 with metallic plate 1, and the outside lower end of stem 5 is connected with spring housing 7, the outside of stem 5
Upper end is connected with ground connection copper sheathing 8, and the upper end of stem 5 is provided with a spacing hole 9, and the left and right ends of metallic plate 1 are respectively arranged with one
Individual fixed screw 10, the lower end of fixed screw 10 will pass through metallic plate 1 and be fixed on transformer, precise injection molding lid 3 a diameter of 50cm, interior
Portion is in stair shape, with ground connection copper sheathing 8 it is mutually embedding and, interior tooth copper post 2 a diameter of 40cm, internal diameter 31.5cm, are highly 12cm, movable
Bearing 6 a diameter of 12cm, internal diameter 6.5cm, thickness 5cm, the upper end of spring housing 7 are connected with ground connection copper sheathing 8, form a guarantor
The lower end of stem 5 is wrapped in by sheath, and the epoxy resin structural of precise injection molding lid 3, good insulation preformance, hardness is big, can during test
External interference, strong antijamming capability are excluded, while equipment will not be caused to damage, sealing ring 4 is made of natural rubber.
Pass through when when user wants put progress sleeve pipe dielectric loss and megger test using this patent
Metallic plate 1 is fixed in transformer by fixed screw 10, and user is needed by twisting precise injection molding lid 3 during prerun wiring, interior
Tooth copper post 2 and the spiral junction of precise injection molding lid 3 are provided with colored tooth 11 so that it be easy to open and to bottom shielding of bushing not damaged,
Shell uses epoxy resin structural, and good insulation preformance, hardness is big, can exclude external interference during test, strong antijamming capability, simultaneously
Equipment will not be caused to damage, then p-wire is clamped on exposed stem 5 and tested, live bearing 6 can make
Stem 5 freely rotates, and spacing hole 9 carries out a limit effect to spring housing 7 and ground connection copper sheathing 8.
The utility model metallic plate 1, interior tooth copper post 2, precise injection molding lid 3, sealing ring 4, stem 5, live bearing 6, bullet
Spring set 7, ground connection copper sheathing 8, spacing hole 9, fixed screw 10, flower the part of tooth 11 be universal standard part, especially the upper end of metallic plate 1 with
Interior tooth copper post 2 is fixedly connected, and the outside of interior tooth copper post 2 is provided with colored tooth 11, and the inner side of precise injection molding lid 3 is provided with colored tooth 11, interior tooth
Copper post 2 is threadedly coupled by flower tooth 11 with precise injection molding lid 3, and the bottom of precise injection molding lid 3 or so two coordinates with the activity of sealing ring 4,
Can reach simple, convenient, can one man operation, to bottom shielding of bushing not damaged, the high effect of application value, so as to have
Avoid to effect external interference, the phenomenon of damage is caused to equipment.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
- A kind of 1. bushing shell for transformer prerun wiring special auxiliary device, it is characterised in that：Its structure includes metallic plate（1）, interior tooth Copper post（2）, precise injection molding lid（3）, sealing ring（4）, stem（5）, live bearing（6）, spring housing（7）, ground connection copper sheathing（8）、 Spacing hole（9）, fixed screw（10）, flower tooth（11）, the metallic plate（1）Upper end and interior tooth copper post（2）It is fixedly connected, it is described interior Tooth copper post（2）Outside is provided with colored tooth（11）, the precise injection molding lid（3）Inner side is provided with colored tooth（11）, the interior tooth copper post （2）Pass through flower tooth（11）With precise injection molding lid（3）Threaded connection, the precise injection molding lid（3）The bottom of left and right two and sealing ring（4） Activity coordinates, the sealing ring（4）Lower end and metallic plate（1）It is connected, the stem（5）Lower end passes through live bearing（6） With metallic plate（1）It is flexibly connected, the stem（5）Outside lower end and spring housing（7）It is connected, the stem（5）Outside Upper end and ground connection copper sheathing（8）It is connected, the stem（5）Upper end is provided with a spacing hole（9）, the metallic plate（1）Left and right Both ends are respectively arranged with a fixed screw（10）.
- A kind of 2. bushing shell for transformer prerun wiring special auxiliary device according to claim 1, it is characterised in that：It is described solid Determine screw（10）Lower end will pass through metallic plate（1）It is fixed on transformer.
- A kind of 3. bushing shell for transformer prerun wiring special auxiliary device according to claim 1, it is characterised in that：The essence Close injection molding cover（3）A diameter of 50cm, inside is in stair shape, with being grounded copper sheathing（8）It is mutually embedding and.
- A kind of 4. bushing shell for transformer prerun wiring special auxiliary device according to claim 1, it is characterised in that：In described Tooth copper post（2）A diameter of 40cm, internal diameter 31.5cm, it is highly 12cm.
- A kind of 5. bushing shell for transformer prerun wiring special auxiliary device according to claim 1, it is characterised in that：The work Dynamic bearing（6）A diameter of 12cm, internal diameter 6.5cm, thickness 5cm.
- A kind of 6. bushing shell for transformer prerun wiring special auxiliary device according to claim 1, it is characterised in that：The bullet Spring set（7）Upper end and ground connection copper sheathing（8）It is connected, forms a protective case by stem（5）Lower end is wrapped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229080.3U CN207181463U (en) | 2017-09-24 | 2017-09-24 | A kind of bushing shell for transformer prerun wiring special auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229080.3U CN207181463U (en) | 2017-09-24 | 2017-09-24 | A kind of bushing shell for transformer prerun wiring special auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181463U true CN207181463U (en) | 2018-04-03 |
Family
ID=61748989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721229080.3U Expired - Fee Related CN207181463U (en) | 2017-09-24 | 2017-09-24 | A kind of bushing shell for transformer prerun wiring special auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204289A (en) * | 2021-11-19 | 2022-03-18 | 国网山西省电力公司电力科学研究院 | Capacitive bushing end screen grounding device |
-
2017
- 2017-09-24 CN CN201721229080.3U patent/CN207181463U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204289A (en) * | 2021-11-19 | 2022-03-18 | 国网山西省电力公司电力科学研究院 | Capacitive bushing end screen grounding device |
| CN114204289B (en) * | 2021-11-19 | 2024-04-26 | 国网山西省电力公司电力科学研究院 | Capacitive bushing end screen grounding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20180924 |