CN108226719A - Cross arm shielding cover experimental rig - Google Patents
Cross arm shielding cover experimental rig Download PDFInfo
- Publication number
- CN108226719A CN108226719A CN201711371605.1A CN201711371605A CN108226719A CN 108226719 A CN108226719 A CN 108226719A CN 201711371605 A CN201711371605 A CN 201711371605A CN 108226719 A CN108226719 A CN 108226719A
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- CN
- China
- Prior art keywords
- cross arm
- shielding cover
- arm shielding
- roof
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
Abstract
The present invention provides a kind of cross arm shielding cover experimental rig, including：First electrode, for being connected with the outer surface of cross arm shielding cover to be measured, first electrode includes the first roof and the first side wall, and the first roof is connect with the first side wall, between first roof and the first side wall there is angle, there is the escape groove being adapted to the protrusion of cross arm shielding cover on the first roof.By technical solution provided by the invention, it can solve the problems, such as that the pressure test of cross arm shielding cover of the prior art is of high cost low with precision.
Description
Technical field
The present invention relates to electric equipment test technical field, in particular to a kind of cross arm shielding cover experimental rig.
Background technology
Live line tool need to usually carry out regularly electrical test, be referred to so that it is examined whether to reach defined electric property
Mark.Tool keeping and use during there may be it is subtle the defects of or loss, by experiment can be exposed.Therefore
The experiment of live line tool is the qualified or not reliable means of the instruments of inspection.
Cross arm shielding cover is our common insulation shading tools.Generally, industrial frequency withstand voltage experiment be to it is common and
Effective electrical test means.According to《Live line tool, device and equipment preventive trial regulation》Regulation, to mask
It when carrying out ac voltage withstanding experiment, pressurizes and is kept for certain time, occurred with corona free, generated heat without flashover, without breakdown, without apparent to close
Lattice.
When carrying out pressure test to cross arm shielding cover, need using electrode to apply voltage.Fig. 1 is of the prior art
The structure diagram of cross arm shielding cover, the shape of cross arm shielding cover is more irregular, and general electrode is difficult to be come into full contact with it,
It is unable to reach preferable test effect.For at present, the pressure test that we do rubber cross arm shielding cover uses masking foil.
Masking foil according to the shape of cross arm shielding cover is pinched and is attached to the surface of cross arm shielding cover, Ran Houyong by specific test method
Insulating blanked clamper is fixed, then is clamped and be powered with metal clip and experiment can be completed.
Using such test method the shape of masking foil has been pinched again, and find the position of insulating blanked clamper and metal clip every time
It puts, it is time-consuming and laborious, it is necessary to use a large amount of masking foil when a large amount of cross arm shielding cover pressure tests are done, therefore cause to try
The time cost and financial cost tested are higher.Moreover, masking foil also is difficult to be bonded completely with mask, cross-arm cannot be allowed to hide in this way
Cover uniform-compression is covered, influences the precision of experiment.
Invention content
The present invention provides a kind of cross arm shielding cover experimental rig, is tried with the pressure resistance for solving cross arm shielding cover of the prior art
Test the problem of of high cost low with precision.
To solve the above-mentioned problems, the present invention provides a kind of cross arm shielding cover experimental rig, including：First electrode is used
It is connected in the outer surface of cross arm shielding cover to be measured, first electrode includes the first roof and the first side wall, the first roof
It is connect with the first side wall, between the first roof and the first side wall there is angle, have on the first roof convex with cross arm shielding cover
Play the escape groove of adaptation.
Further, the quantity of escape groove is identical with the quantity of the protrusion of cross arm shielding cover.
Further, escape groove is multiple, and multiple escape groove are arranged in parallel.
Further, the first side wall is two, and two end faces of escape groove are connect respectively with two the first side walls.
Further, first electrode further includes：Second roof, the both ends of the second roof connect respectively with two the first side walls
It connects, the second roof and two the first side walls are integrated bending structure, and the first roof is located at the second roof and two the first side walls
Between.
Further, first electrode further includes：First wire connecting portion, connect with the first side wall.
Further, the first wire connecting portion includes：First connector, connect with the first side wall；First movement part, movably
It is arranged on the first connector, the distance between first movement part and the first side wall are adjustable.
Further, cross arm shielding cover experimental rig further includes：Second electrode is matched for the inner surface with cross arm shielding cover
Connection is closed, second electrode includes third roof and second sidewall, and third roof is connect with second sidewall, third roof and the second side
There is angle between wall.
Further, second sidewall is two, and two second sidewalls are integrated bending structure with third roof.
Further, second electrode further includes：Second wire connecting portion, connect with second sidewall.
Further, the second wire connecting portion includes：Second connector, connect with second sidewall；Second moving member, movably
It is arranged on the second connector, the distance between the second moving member and second sidewall are adjustable.
It applies the technical scheme of the present invention, cross arm shielding cover experimental rig is set as to include first electrode, and first
Between the first roof and the first side wall of electrode there is angle, have on the first roof and kept away with what the protrusion of cross arm shielding cover was adapted to
Allow slot, after first electrode is located on the outer surface of cross arm shielding cover in this way, the first roof and the first side wall can be with cross-arms
The outer surface of mask uniformly contacts, and cross arm shielding cover can be made to be pressurized at the trial so uniform, so as to improve experiment
Precision.Moreover, the shape of first electrode can directly coordinate with cross arm shielding cover, without field fabrication, first electrode can also weigh
It is multiple to utilize, therefore the time cost and financial cost of experiment can be reduced.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the structure diagram of cross arm shielding cover of the prior art；
Fig. 2 shows the structure diagrams of cross arm shielding cover experimental rig provided by the invention.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, first electrode；11st, the first roof；11a, escape groove；12nd, the first side wall；13rd, the second roof；14th, first connects
Fitting；15th, first movement part；20th, second electrode；21st, third roof；22nd, second sidewall；23rd, the second connector；24th, second
Moving member.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Fig. 2, the embodiment provides a kind of cross arm shielding cover experimental rig, which includes the
One electrode 10, first electrode 10 are used to be connected with the outer surface of cross arm shielding cover to be measured, and first electrode 10 includes first
Roof 11 and the first side wall 12, the first roof 11 are connect with the first side wall 12, are had between the first roof 11 and the first side wall 12
Angle has the escape groove 11a being adapted to the protrusion of cross arm shielding cover on the first roof 11.
Using the technical solution of the present embodiment, cross arm shielding cover experimental rig is set as to include first electrode 10, and
Between the first roof 11 and the first side wall 12 of first electrode 10 there is angle, have and cross arm shielding cover on the first roof 11
The escape groove 11a of protrusion adaptation, after first electrode 10 is located on the outer surface of cross arm shielding cover in this way, 11 He of the first roof
The first side wall 12 can uniformly be contacted with the outer surface of cross arm shielding cover, cross arm shielding cover can be made to be pressurized at the trial so equal
It is even, so as to improve test accuracy.Moreover, the shape of first electrode 10 can directly coordinate with cross arm shielding cover, without scene
It makes, first electrode 10 can also reuse, therefore can reduce the time cost and financial cost of experiment.By this implementation
The technical solution of example, can solve the problems, such as that the pressure test of cross arm shielding cover of the prior art is of high cost low with precision.
In the present embodiment, the protrusion of the quantity of the escape groove 11a of cross arm shielding cover experimental rig and cross arm shielding cover
Quantity is identical.Being arranged such can be such that first electrode 10 is more matched with carrying on a shoulder pole the outer surface of mask, so as to when applying voltage
Cross arm shielding cover is made to be pressurized uniform, and then improve test accuracy.It, can be with for example, cross arm shielding cover in Fig. 1 has 4 protrusions
4 corresponding escape groove 11a are set on the first roof 11, the matching both so as to ensure.In order to ensure the first roof 11 with
Escape groove 11a can be set as the size to match with protrusion by the fitting of the upper surface of cross arm shielding cover.
In the present embodiment, escape groove 11a is multiple, and multiple escape groove 11a are for multiple protrusions with cross arm shielding cover
Matching.Also, in the present embodiment, multiple escape groove 11a are set in parallel to each other, due to multiple protrusions of cross arm shielding cover
It sets, first electrode 10 more can closely and equably be contacted with cross arm shielding cover in this way, so as to carry in parallel to each other
The precision of high voltage experiment.
As shown in Fig. 2, the first side wall 12 is two, two end faces of escape groove 11a connect respectively with two the first side walls 12
It connects.The first side wall 12 is set as two, the top surface and two lateral surfaces that can make first electrode 10 and cross arm shielding cover connect
It touches, can make the compression of cross arm shielding cover more uniform in this way, so as to improve test accuracy.As shown in Figure 1, cross-arm covers
Two lateral surfaces of cover are mutually parallel, therefore can be set as being mutually parallel by two the first side walls 12.
In the present embodiment, first electrode 10 further includes the second roof 13, the both ends of the second roof 13 respectively with two
One side wall 12 connects, and the second roof 13 and two the first side walls 12 are integrated bending structure, and the first roof 11 is located at the second roof
Between 13 and two the first side walls 12.By setting the second roof 13 that can improve the structural strength of first electrode 10, also,
Second roof 13 and two settings of the first side wall 12 are integrated bending structure, the structure that can either improve first electrode 10 is strong
Degree, and the processing of first electrode 10 can be convenient for.First roof 11 can be gone out after escape groove 11a again by one flat plate bending with two
A the first side wall 12 welds.
As shown in Fig. 2, first electrode 10 further includes the first wire connecting portion, the first wire connecting portion is connect with the first side wall 12.Pass through
First wire connecting portion is set, convenient for wiring, so as to be powered to be tested for first electrode 10.Such setting can be easy to operation,
Improve test efficiency.
Specifically, the first wire connecting portion includes the first connector 14 and first movement part 15, wherein, the first connector 14 and the
One side wall 12 connects, and first movement part 15 is movably disposed on the first connector 14, first movement part 15 and the first side wall
The distance between 12 is adjustable.So set, cable can be connect with first electrode 10 by the movement of first movement part 15 or
Separation, consequently facilitating wiring or operation of taking out stitches.In the present embodiment, the first connector 14 can be set as to screw rod and by first
Moving member 15 is set as wing nut, is arranged such easy to operate, at low cost.
As shown in Fig. 2, in the present embodiment, cross arm shielding cover experimental rig further includes second electrode 20, second electrode 20
For being connected with the inner surface of cross arm shielding cover, second electrode 20 includes third roof 21 and second sidewall 22, third top
Wall 21 is connect with second sidewall 22, has angle between third roof 21 and second sidewall 22.Second can be used by being arranged such
Electrode 20 and the inner surface of cross arm shielding cover coordinate, and can improve the inner surface of cross arm shielding cover and connecing for second electrode 20 in this way
Uniformity is touched, so as to improve test accuracy.And second electrode 20 may be reused, and without field fabrication, therefore can drop
The time cost and financial cost of low experiment.In the present embodiment, second electrode 20 and first electrode 10 are respectively as positive negative electricity
Pole is to apply voltage.
In the present embodiment, second sidewall 22 is two, and two second sidewalls 22 are integrated bending knot with third roof 21
Structure.Second sidewall 22 is set as two, can improve the inner surface of second electrode 20 and cross arm shielding cover contact area and
Uniformity is contacted, so as to uniform, the raising test accuracy so that cross arm shielding cover is pressurized.By two second sidewalls 22 and third top
The setting of wall 21 is integrated bending structure, not only convenient for the processing of second electrode 20, but also can improve the structural strength of second electrode 20.
As shown in Fig. 2, second electrode 20 further includes the second wire connecting portion, the second wire connecting portion is connect with second sidewall 22.Pass through
Second wire connecting portion is set, convenient for wiring, so as to be powered to be tested for second electrode 20.Such setting can be easy to operation,
Improve test efficiency.
Specifically, the second wire connecting portion includes the second connector 23 and the second moving member 24, wherein, the second connector 23 and the
Two side walls 22 connect, and the second moving member 24 is movably disposed on the second connector 23, the second moving member 24 and second sidewall
The distance between 22 is adjustable.So set, cable can be connect with second electrode 20 by the movement of the second moving member 24 or
Separation, consequently facilitating wiring or operation of taking out stitches.In the present embodiment, the second connector 23 can be set as to screw rod and by second
Moving member 24 is set as wing nut, is arranged such easy to operate, at low cost.
Using the technical solution of the present embodiment, cross arm shielding cover experimental rig is set as to include first electrode 10 and second
Electrode 20, and there is angle between the first roof 11 and the first side wall 12 of first electrode 10, have on the first roof 11 with
The escape groove 11a of the protrusion adaptation of cross arm shielding cover, after first electrode 10 is located on the outer surface of cross arm shielding cover in this way,
First roof 11 and the first side wall 12 can uniformly be contacted with the outer surface of cross arm shielding cover.And it is possible to use second electrode
20 coordinate with the inner surface of cross arm shielding cover.Cross arm shielding cover can be made to be pressurized at the trial so uniform, so as to improve
Test accuracy.Moreover, the shape of first electrode 10 and second electrode 20 can directly coordinate with cross arm shielding cover, made without scene
Make, first electrode 10 and second electrode 20 can also reuse, therefore can reduce the time cost and financial cost of experiment.
Technical solution through this embodiment, the pressure test that can solve cross arm shielding cover of the prior art are of high cost low with precision
The problem of.Moreover, the first wire connecting portion in first electrode 10 is set and the second wire connecting portion, Neng Goubian are set in second electrode 20
In connecting and dismantling cable, consequently facilitating operation.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to be drawn according to practical proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms are represented in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need to that it is further discussed in figure.
In the description of the present invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and close
System is for only for ease of the description present invention and simplifies description, and in the case where not making to illustrate on the contrary, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore cannot manage
It solves as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each component profile in itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made in opposite description to space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be convenient for using the words such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word is there is no particular meaning, therefore it is not intended that this
The limitation of invention protection domain.
Claims (11)
1. a kind of cross arm shielding cover experimental rig, which is characterized in that including：
First electrode (10), for being connected with the outer surface of cross arm shielding cover to be measured, the first electrode (10) includes
First roof (11) and the first side wall (12), first roof (11) connect with the first side wall (12), first top
Between wall (11) and the first side wall (12) there is angle, have and the cross arm shielding cover on first roof (11)
The escape groove (11a) of protrusion adaptation.
2. cross arm shielding cover experimental rig according to claim 1, which is characterized in that the quantity of the escape groove (11a)
It is identical with the quantity of the protrusion of the cross arm shielding cover.
3. cross arm shielding cover experimental rig according to claim 1, which is characterized in that the escape groove (11a) to be multiple,
Multiple escape groove (11a) are arranged in parallel.
4. cross arm shielding cover experimental rig according to claim 1, which is characterized in that the first side wall (12) is two
A, two end faces of the escape groove (11a) are connect respectively with two the first side walls (12).
5. cross arm shielding cover experimental rig according to claim 4, which is characterized in that the first electrode (10) is also wrapped
It includes：
Second roof (13), the both ends of second roof (13) are connect respectively with two the first side walls (12), and described
Two roofs (13) are integrated bending structure with two the first side walls (12), and first roof (11) is positioned at the described second top
Between wall (13) and two the first side walls (12).
6. cross arm shielding cover experimental rig according to claim 1, which is characterized in that the first electrode (10) is also wrapped
It includes：
First wire connecting portion is connect with the first side wall (12).
7. cross arm shielding cover experimental rig according to claim 6, which is characterized in that first wire connecting portion includes：
First connector (14) is connect with the first side wall (12)；
First movement part (15) is movably disposed on first connector (14), the first movement part (15) and institute
It is adjustable to state the distance between the first side wall (12).
8. cross arm shielding cover experimental rig according to claim 1, which is characterized in that the cross arm shielding cover experimental rig
It further includes：
Second electrode (20), for being connected with the inner surface of the cross arm shielding cover, the second electrode (20) includes the
Three roofs (21) and second sidewall (22), the third roof (21) connect with the second sidewall (22), the third roof
(21) there is angle between the second sidewall (22).
9. cross arm shielding cover experimental rig according to claim 8, which is characterized in that the second sidewall (22) is two
A, two second sidewalls (22) are integrated bending structure with the third roof (21).
10. cross arm shielding cover experimental rig according to claim 8, which is characterized in that the second electrode (20) is also wrapped
It includes：
Second wire connecting portion is connect with the second sidewall (22).
11. cross arm shielding cover experimental rig according to claim 10, which is characterized in that second wire connecting portion includes：
Second connector (23) is connect with the second sidewall (22)；
Second moving member (24) is movably disposed on second connector (23), second moving member (24) and institute
It is adjustable to state the distance between second sidewall (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371605.1A CN108226719A (en) | 2017-12-18 | 2017-12-18 | Cross arm shielding cover experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371605.1A CN108226719A (en) | 2017-12-18 | 2017-12-18 | Cross arm shielding cover experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108226719A true CN108226719A (en) | 2018-06-29 |
Family
ID=62652344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711371605.1A Pending CN108226719A (en) | 2017-12-18 | 2017-12-18 | Cross arm shielding cover experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108226719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103506A (en) * | 2018-10-25 | 2020-05-05 | 浙江荣泰电工器材有限公司 | Method for detecting insulating strength and breakdown voltage of special-shaped plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728541A (en) * | 2014-01-02 | 2014-04-16 | 国家电网公司 | Standardized test device for cross arm shields |
| CN203643561U (en) * | 2014-01-02 | 2014-06-11 | 国家电网公司 | Standardized testing device for cross-arm shielding covers |
| CN205581256U (en) * | 2016-03-30 | 2016-09-14 | 国家电网公司 | Dead end insulator shields cover testing platform |
| CN206389068U (en) * | 2017-01-17 | 2017-08-08 | 国网四川省电力公司德阳供电公司 | A kind of mask for being used to cover distribution line cross-arm |
-
2017
- 2017-12-18 CN CN201711371605.1A patent/CN108226719A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728541A (en) * | 2014-01-02 | 2014-04-16 | 国家电网公司 | Standardized test device for cross arm shields |
| CN203643561U (en) * | 2014-01-02 | 2014-06-11 | 国家电网公司 | Standardized testing device for cross-arm shielding covers |
| CN205581256U (en) * | 2016-03-30 | 2016-09-14 | 国家电网公司 | Dead end insulator shields cover testing platform |
| CN206389068U (en) * | 2017-01-17 | 2017-08-08 | 国网四川省电力公司德阳供电公司 | A kind of mask for being used to cover distribution line cross-arm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103506A (en) * | 2018-10-25 | 2020-05-05 | 浙江荣泰电工器材有限公司 | Method for detecting insulating strength and breakdown voltage of special-shaped plate |
| CN111103506B (en) * | 2018-10-25 | 2021-06-22 | 浙江荣泰电工器材有限公司 | Method for detecting breakdown voltage of special-shaped plate |
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Application publication date: 20180629 |