CN108666916A - The stretching specific purpose tool of high-voltage mutual inductor metal expander - Google Patents
The stretching specific purpose tool of high-voltage mutual inductor metal expander Download PDFInfo
- Publication number
- CN108666916A CN108666916A CN201810551205.7A CN201810551205A CN108666916A CN 108666916 A CN108666916 A CN 108666916A CN 201810551205 A CN201810551205 A CN 201810551205A CN 108666916 A CN108666916 A CN 108666916A
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- China
- Prior art keywords
- hole
- long
- angle bar
- stretching
- metal expander
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The stretching specific purpose tool of high-voltage mutual inductor metal expander of the present invention belongs to metal expander stretching tool technical field;Technical problem to be solved is to provide a kind of stretching tool, and the stretching of metal expander is made to become convenient, safety;The technical solution used for:Two root long screw rods are screwed into respectively in the tapped through hole in the middle part of two support plates, two angle bar are located at the both sides of long bolt, two angle bar are provided with the face of the second long through-hole by bolt and nut and two support plates are joined together to form a rectangular frame, one or more short screw passes through the third long through-hole on two angle bar, both ends are fixed with nut, two base fixtures are located at the lower section of two root long screw rods, and the lower end of long bolt is inserted into the blind hole of slider top;The present invention stretches steady, safe during stretching metal expander.
Description
Technical field
The stretching specific purpose tool of high-voltage mutual inductor metal expander of the present invention belongs to metal expander stretching tool technology neck
Domain.
Background technology
Oil-immersed and high-voltage current transformer, voltage transformer are widely used in electric system, it can become high voltage
Low-voltage, high current become low current, for measuring or protecting system.Its function mainly by high voltage or high current in proportion
It is transformed into normal voltage or normalized current, to realize measuring instrument, protection equipment and the standardizing of automatic control equipment, small-sized
Change.It wherein is filled with insulating oil in oil immersion type mutual-inductor, to ensure the insulation performance of high-voltage mutual inductor, since insulating oil is because of temperature
The influence of the factors such as degree, running environment will appear volume change, therefore add metal on the top of oil-immersed and high-voltage mutual inductor
Expander, for compensating volume change.When high-voltage mutual inductor oil level is relatively low, need to carry out repairing to it.And it carries out at this moment
Repairing operates, it is necessary to carry out stretched operation to metal expander.It is previous needed when metal expander stretching more people or
Crane is needed to be assisted.Not only workload is huge, but also there are security risks, are unfavorable for the safe and stable operation of power grid.
Invention content
It is to provide a kind of stretching tool that the present invention, which overcomes the shortcomings of the prior art, technical problem to be solved, is made
The stretching of metal expander becomes convenient, safety.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:The drawing of high-voltage mutual inductor metal expander
Specific purpose tool is stretched, including:Two base fixtures, two root long screw rods, two support plates, two angle bar and short screw, the branch
It is provided with tapped through hole in the middle part of fagging, tapped through hole both sides are provided with the first long through-hole;Both ends are provided on one face of the angle bar
Two long through-holes, both ends and middle part are provided with third long through-hole on another face;The section of the base fixture is U-shaped, phase
To two faces on, be provided with round tube hole on a face, be provided with the 4th long through-hole on another face, the screw portion of sliding block is inserted into the
It in four long through-holes, and is fixed by nut, the blind hole that bottom is cone is provided on the end face of the slider top;
Two root long screw rods are screwed into respectively in the tapped through hole in the middle part of two support plates, and two angle bar are located at the both sides of long bolt, are led to
Cross that two angle bar are provided with the face of the second long through-hole by bolt and nut and two support plates are joined together to form a rectangular frame,
One or more short screw passes through the third long through-hole on two angle bar, both ends to be fixed with nut, two base fixture difference
Positioned at the lower section of two root long screw rods, and the lower end of long bolt is inserted into the blind hole of slider top.
The middle part of the support plate is equipped with boss, and tapped through hole is equipped in boss.
The long bolt is high-strength screw rod, and the upper end is hexagon, and lower end is and blind via bottom cone is adapted
Cone.
The present invention has the advantages that compared with prior art.
1, the present invention not only makes, assembles simply, but also steady, safety is stretched during stretching metal expander
Height, the more convenient, safety compared with traditional manpower stretching and crane assisting tension, can both mitigate labor intensity, improve
Working efficiency, while also eliminating the security risk that crane works near charging equipment.
2, the present invention can enable the invention to be applicable in such a way that upside angle bar and short screw fix metal expander
In the oil-immersed and high-voltage mutual inductor metal expander of the overwhelming majority.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of support plate in the present invention.
Fig. 3 is the structural schematic diagram of short screw in the present invention.
Fig. 4 is the structural schematic diagram of angle bar in the present invention.
Fig. 5 is the use state diagram of the present invention.
In figure:1 is base fixture, and 2 be long bolt, and 3 be support plate, and 4 be angle bar, and 5 be short screw, and 6 be tapped through hole,
7 be the first long through-hole, and 8 be the second long through-hole, and 9 be third long through-hole, and 10 be round tube hole, and 11 be the 4th long through-hole, and 12 be sliding block,
13 be blind hole, and 14 be boss, and 15 be metal expander, and 16 be lifting lug.
Specific implementation mode
As Figure 1-Figure 4, the stretching specific purpose tool of high-voltage mutual inductor metal expander of the present invention, including:Two pedestals
Fixing piece 1, the angle bar 4 of support plate 3, two of two root long screw rod 2, two and short screw 5, it is logical that 3 middle part of the support plate is provided with screw thread
Hole 6,6 both sides of tapped through hole are provided with the first long through-hole 7;Both ends are provided with the second long through-hole 8 on one face of the angle bar 4, another
Both ends and middle part are provided with third long through-hole 9 on a face;The section of the base fixture 1 is U-shaped, opposite two faces
On, it is provided with round tube hole 10 on a face, the 4th long through-hole 11 is provided on another face, the screw portion of sliding block 12 is inserted into the 4th length
It in through-hole 11, and is fixed by nut, the blind hole 13 that bottom is cone is provided on the end face at 12 top of the sliding block;
Two root long screw rods 2 are screwed into respectively in the tapped through hole 6 at two 3 middle parts of support plate, and two angle bar 4 are located at the two of long bolt 2
Two angle bar 4 are provided with the face of the second long through-hole by bolt and nut and two support plates 3 are joined together to form a square by side
Shape frame, one or more short screw 5 pass through the third long through-hole 9 on two angle bar 4, and both ends are fixed with nut, two pedestals
Fixing piece 1 is located at the lower section of two root long screw rods 2, and the lower end of long bolt 2 is inserted into the blind hole 13 at 12 top of sliding block.
The middle part of the support plate 3 is equipped with boss 14, and tapped through hole 6 is equipped in boss 14.
The long bolt 2 is high-strength screw rod, and the upper end is hexagon, and lower end is and 13 bottom cone of blind hole is adapted
Cone.
As shown in figure 5, the course of work of the present invention is:First the one side that two base fixtures 1 are provided with round tube hole 10 is led to
It crosses bolt and nut to be fixed on the pedestal of metal expander 15, then short screw 5 is passed through into the third long through-hole 9 and gold on angle bar 4
Both ends are fixed with bolt and nut after belonging to the lifting lug 16 at 15 top of expander, are then rotated two root long screw rods 2 with box spanner, are made two
A support plate 3 raises simultaneously, to stretch metal expander 15.
The first long through-hole 7 in the support plate 3, the second long through-hole 8 on angle bar 4, the 4th length in base fixture
Through-hole 11 is for adapting to different size of metal expander 15, keeps the size of the present invention adjustable.The angle bar 4
On third long through-hole 9, be so that short screw 5 is adjusted according to the different location of 15 Lifting Lug 16 of different metal expander
Position.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Go out various change.
Claims (3)
1. the stretching specific purpose tool of high-voltage mutual inductor metal expander, it is characterised in that including:Two base fixtures(1), two
Root long screw rod(2), two support plates(3), two pieces angle bar(4)And short screw(5), the support plate(3)It is logical that middle part is provided with screw thread
Hole(6), tapped through hole(6)Both sides are provided with the first long through-hole(7);The angle bar(4)A face on to be provided with the second length logical at both ends
Hole(8), both ends and middle part are provided with third long through-hole on another face(9);The base fixture(1)Section be U-shaped,
On two opposite faces, round tube hole is provided on a face(10), the 4th long through-hole is provided on another face(11), sliding block(12)'s
Screw portion is inserted into the 4th long through-hole(11)In, and fixed by nut, the sliding block(12)It is provided with bottom on the end face at top
For the blind hole of cone(13);
Two root long screw rods(2)It is screwed into two support plates respectively(3)The tapped through hole at middle part(6)In, two angle bar(4)Positioned at long spiral shell
Bar(2)Both sides, by bolt and nut by two angle bar(4)Be provided with the second long through-hole face and two support plates(3)It is connected to
A rectangular frame, one or more short screw are formed together(5)Across two angle bar(4)On third long through-hole(9), both ends
It is fixed with nut, two base fixtures(1)It is located at two root long screw rods(2)Lower section, and long bolt(2)Lower end be inserted into
Sliding block(12)The blind hole at top(13)In.
2. the stretching specific purpose tool of high-voltage mutual inductor metal expander according to claim 1, it is characterised in that:The branch
Fagging(3)Middle part be equipped with boss(14), boss(14)It is interior to be equipped with tapped through hole(6).
3. the stretching specific purpose tool of high-voltage mutual inductor metal expander according to claim 1 or 2, it is characterised in that:Institute
State long bolt(2)For high-strength screw rod, the upper end is hexagon, and lower end is and blind hole(13)The adaptable circular cone of bottom cone
Shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810551205.7A CN108666916A (en) | 2018-05-31 | 2018-05-31 | The stretching specific purpose tool of high-voltage mutual inductor metal expander |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810551205.7A CN108666916A (en) | 2018-05-31 | 2018-05-31 | The stretching specific purpose tool of high-voltage mutual inductor metal expander |
Publications (1)
Publication Number | Publication Date |
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CN108666916A true CN108666916A (en) | 2018-10-16 |
Family
ID=63774530
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Application Number | Title | Priority Date | Filing Date |
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CN201810551205.7A Pending CN108666916A (en) | 2018-05-31 | 2018-05-31 | The stretching specific purpose tool of high-voltage mutual inductor metal expander |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2186342Y (en) * | 1994-03-09 | 1994-12-28 | 常振海 | Joiner for mouth of oxygen cylinder |
CN102693815A (en) * | 2012-06-21 | 2012-09-26 | 山西省电力公司阳泉供电公司 | Auxiliary oil injection device for oil-immersed current transformer |
CN203813378U (en) * | 2014-04-24 | 2014-09-03 | 国家电网公司 | Wire clamp for power distribution lines |
CN204238837U (en) * | 2014-11-28 | 2015-04-01 | 国网山东省电力公司潍坊供电公司 | A kind of flat terraced fastening devices |
CN204835439U (en) * | 2015-08-26 | 2015-12-02 | 国网冀北电力有限公司张家口供电公司 | Some devices are hung to close test cluster of insulating alite |
CN205045696U (en) * | 2015-10-12 | 2016-02-24 | 江苏华电铁塔制造有限公司 | Iron tower lower margin cable suspension device for hot -galvanize |
CN106840484A (en) * | 2017-04-11 | 2017-06-13 | 浙江维思无线网络技术有限公司 | High voltage transmission line hanging plate weighing sensor |
CN208272474U (en) * | 2018-05-31 | 2018-12-21 | 国网山西省电力公司晋城供电公司 | A kind of stretching specific purpose tool of high-voltage mutual inductor metal expander |
-
2018
- 2018-05-31 CN CN201810551205.7A patent/CN108666916A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2186342Y (en) * | 1994-03-09 | 1994-12-28 | 常振海 | Joiner for mouth of oxygen cylinder |
CN102693815A (en) * | 2012-06-21 | 2012-09-26 | 山西省电力公司阳泉供电公司 | Auxiliary oil injection device for oil-immersed current transformer |
CN203813378U (en) * | 2014-04-24 | 2014-09-03 | 国家电网公司 | Wire clamp for power distribution lines |
CN204238837U (en) * | 2014-11-28 | 2015-04-01 | 国网山东省电力公司潍坊供电公司 | A kind of flat terraced fastening devices |
CN204835439U (en) * | 2015-08-26 | 2015-12-02 | 国网冀北电力有限公司张家口供电公司 | Some devices are hung to close test cluster of insulating alite |
CN205045696U (en) * | 2015-10-12 | 2016-02-24 | 江苏华电铁塔制造有限公司 | Iron tower lower margin cable suspension device for hot -galvanize |
CN106840484A (en) * | 2017-04-11 | 2017-06-13 | 浙江维思无线网络技术有限公司 | High voltage transmission line hanging plate weighing sensor |
CN208272474U (en) * | 2018-05-31 | 2018-12-21 | 国网山西省电力公司晋城供电公司 | A kind of stretching specific purpose tool of high-voltage mutual inductor metal expander |
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