CN108761374A - Zero sequence transformer semi-finished product error experiments supporting table - Google Patents

Zero sequence transformer semi-finished product error experiments supporting table Download PDF

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Publication number
CN108761374A
CN108761374A CN201810718136.4A CN201810718136A CN108761374A CN 108761374 A CN108761374 A CN 108761374A CN 201810718136 A CN201810718136 A CN 201810718136A CN 108761374 A CN108761374 A CN 108761374A
Authority
CN
China
Prior art keywords
zero sequence
sequence transformer
support
support portion
finished product
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.)
Pending
Application number
CN201810718136.4A
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Chinese (zh)
Inventor
曾钰搏
朱海林
孙洪宾
王艳敏
常霞
杨万里
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Senyuan Electric Co Ltd
Original Assignee
Henan Senyuan Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Senyuan Electric Co Ltd filed Critical Henan Senyuan Electric Co Ltd
Priority to CN201810718136.4A priority Critical patent/CN108761374A/en
Publication of CN108761374A publication Critical patent/CN108761374A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/02Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

Abstract

The present invention relates to a kind of zero sequence transformer semi-finished product error experiments supporting tables, supporting table includes pedestal, pedestal is equipped with the support portion for the excircle for being used to support zero sequence transformer, it is additionally provided with and is arranged for fastening opposite with support portion zero sequence transformer to be fixed on to the compressing member on support portion, support portion has for being bonded the curved support face being adapted to the periphery of zero sequence transformer, compressing member has for being bonded the arc seal face being adapted to the periphery of zero sequence transformer, curved support face and arc seal face are positioned opposite and surround the lock chamber for being used to support fixed zero sequence transformer, the axis horizontal of lock chamber extends so that zero sequence transformer erects placement, it is relatively simple for structure, and it does not need worker and assists helping, safety is higher, also there is larger promotion to the accuracy of experimental configuration and conventional efficient simultaneously.

Description

Zero sequence transformer semi-finished product error experiments supporting table
Technical field
The present invention relates to a kind of zero sequence transformer semi-finished product error experiments supporting tables.
Background technology
Mutual inductor appeared in for 19th century earliest, with the development of power industry, the voltage class of mutual inductor and accurate rank It all improves a lot, this also promotes to develop many extraordinary mutual inductors, and such as voltage and current combined type mutual inductor, electronic circuit compensation is mutual Sensor, zero sequence transformer etc..For zero sequence transformer, error experiments are always a cumbersome job, because of zero sequence The core construction of mutual inductor is more special, general to form round core construction using opposite fasten of two semicircular iron cores, And in semi-finished product error experiments, between two pieces of semicircular iron cores, there is no relatively-stationary structures, in error test zero The placement that sequence mutual inductor can not be stablized, needing worker to carry out auxiliary square can complete to test, so not only wasting manpower and material resources, also right Worker brings insecurity.The accuracy of the efficiency and experiment of error experiments can be also influenced simultaneously.
Invention content
The purpose of the present invention is to provide a kind of zero sequence transformer semi-finished product error experiments supporting tables, to solve the prior art In zero sequence transformer experiment when placement can not be supported to cause conventional efficient low, the problem of safety difference.
To achieve the above object, the technical solution of zero sequence transformer semi-finished product error experiments supporting table of the present invention is:
Zero sequence transformer semi-finished product error experiments supporting table, including pedestal, pedestal, which is equipped with, is used to support the outer of zero sequence transformer The support portion of circumference is additionally provided with and is arranged for fastening opposite with support portion zero sequence transformer to be fixed on to the compression on support portion Part, support portion have for being bonded curved support face be adapted to the periphery of zero sequence transformer, and compressing member is with being used for and zero sequence The arc seal face of the periphery fitting adaptation of mutual inductor, curved support face and arc seal face are positioned opposite and surround and be used to support The axis horizontal of the lock chamber of fixed zero sequence transformer, lock chamber extends so that zero sequence transformer erects placement.
Further, easy to operate in order to which stable connection is reliable, the compressing member is that one end is hinged on the compression on pedestal Plate is equipped with the locking mechanism for being locked at zero sequence transformer in lock chamber between the other end and support portion of pressure plate.
Further, it locks for convenience, the projecting end of the pressure plate is equipped with connecting hole, the corresponding end of the support portion Equipped with locked groove, the locking mechanism includes the check lock lever being installed in connecting hole and locked groove, further include be set on check lock lever with Adjust the adjusting nut of the relative distance of pressure plate and support portion.
Further, in order to save the locking time, the locked groove is open slot, and the check lock lever is swung following pressure plate Stroke in it is swingable in open slot.
Further, in order to easy to operate simple time saving, compact heap, the compact heap tool are also arranged on the check lock lever There are the arcuate guide surface of the direction projection towards pressure plate, arcuate guide surface to be set for blocking when check lock lever is rocked at open slot To increase the pressing force of pressure plate between adjusting nut and support portion.
Further, in order to adapt to large scale zero sequence transformer, overhanging upwards on the pedestal has support arm, the compression Plate is hinged on support arm, and the support portion is arranged with compressing member relative spacing.
Further, the shaking of zero sequence transformer in order to prevent, the axis left and right directions for defining lock chamber extend, the bottom It is equipped with for the limiting section with positioning zero sequence transformer block cooperation positioned at the left and right sides of support portion on seat.
Further, in order to realize the synchronous experiment of more zero sequence transformer, the support portion is there are two more than, along left and right Direction interval is arranged side by side.
Further, in order to adapt to the experiment of further types of zero sequence transformer, the corresponding fixation of at least one support portion Chamber diameter is less than the corresponding lock chamber diameter of other support portions.
Further, in order to keep overall structure simply firm, the pedestal is rectangular frame structure, including two crossbeams and The longeron being connected between crossbeam, the support portion are that both ends ride upon the curved support plate on corresponding crossbeam respectively.
The beneficial effects of the invention are as follows:Compared with the prior art, zero sequence transformer semi-finished product error according to the present invention Supporting table is tested, shape is fastened by the way that support sector and compressing member are arranged on pedestal, and by curved support face and arc seal face At lock chamber to zero sequence transformer support fix, directly zero sequence transformer can be put in actual experimentation in this way It sets on support portion, and is fixed by compressing member, stable support is played to zero sequence transformer, prevents zero sequence transformer from shaking Dynamic, relatively simple for structure, and do not need worker and assist helping, safety is higher, at the same also to the accuracy of experimental configuration with And conventional efficient has larger promotion.
Description of the drawings
Fig. 1 is the specific embodiment structural schematic diagram of the zero sequence transformer semi-finished product error experiments supporting table of the present invention;
Fig. 2 is the structural schematic diagram of pedestal in Fig. 1;
Fig. 3 is the structural schematic diagram of support plate in Fig. 1;
Fig. 4 is the front view of Fig. 3;
Fig. 5 is that the structure of the compact heap in the specific embodiment of the zero sequence transformer semi-finished product error experiments supporting table of the present invention is shown It is intended to;
Fig. 6 is the vertical view of Fig. 5.
Reference sign:1- pedestals;11- crossbeams;12- longerons;13- supporting beams;2- support plates;21- open slots;3- is pressed Tight plate;31- connecting holes;4- check lock levers;5- compact heaps;51- through-holes;52- arcuate guide surfaces.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the zero sequence transformer semi-finished product error experiments supporting table of the present invention as shown in Figures 1 to 6 should Supporting table includes pedestal 1, and support portion and compressing member are provided on pedestal 1, by support portion and compressing member to zero sequence transformer into Row support is fixed, and error experiments are then carried out.
For pedestal 1, in the present embodiment, pedestal 1 is to surround the rectangular frame formed by crossbeam 11 and longeron 12 Structure is the carrier is carrier of other parts, and support portion and compressing member are arranged on pedestal 1, certainly, in other embodiment In, the structure of pedestal 1 is not specifically limited, and those skilled in the art can be arbitrarily devised according to practical situation.
For support portion, support portion is used to support the outer circumference surface of zero sequence transformer, has and is used for and zero-sequence mutual inductance The curved support face of the periphery fitting adaptation of device, in the present embodiment, the extending direction for defining crossbeam 11 is left and right directions, crossbeam 11 have two, along the longitudinal direction arranged for interval, and support portion is that both ends ride upon the support plate 2 on two crossbeams 11 respectively, is supported Plate 2 is arc panel, and the cambered surface of arc panel is downwardly convex to be located between two crossbeams 11, so as to be supported under zero sequence transformer Side.Longeron 12 is both provided in the left and right sides of support plate 2, the opposite flank of two longerons 12, which constitutes, to be used for and zero sequence simultaneously Mutual inductor eye left and right directions distinguishes block cooperation to limit the confined planes of the position of zero sequence transformer.Support plate 2 above-mentioned simultaneously Front end overhang out forward the front of crossbeam 11, and the front end of support plate 2 is equipped with the open slot 21 that front-rear direction extends.
For compressing member, compressing member with support plate 2 arrange so that zero sequence transformer is fixed on support plate 2 by opposite fasten On.Compressing member has for being bonded the arc seal face being adapted to the periphery of zero sequence transformer simultaneously, in the present embodiment, compresses Part is pressure plate 3, and pressure plate 3 is arc plate structure, and the cambered surface of pressure plate 3 can be realized in this way backwards to 2 upward projection of support plate Arc seal face is positioned opposite with curved support face and surrounds the lock chamber for being used to support fixed zero sequence transformer, the axis of lock chamber Line extends in left-right direction so that zero sequence transformer setting placement, can facilitate the progress of error experiments in this way, and support steady It is fixed.
Meanwhile the supporting beam 13 upwardly extended is further fixed on the crossbeam 11 positioned at rear side on the upper surface of pedestal, on The rear end for the pressure plate 3 stated is hinged in supporting beam 13, and front end can be around the hinge of left and right directions towards front-suspension, such pressure plate 3 Spindle line is swung up and down, and the setting of supporting beam 13 can be such that relative spacing between pressure plate 3 and support plate 2 arranges, in this way The fixation lock ring of the zero sequence transformer of large-size can be realized by smaller structure design.Pressure plate 3 in swing process It can be moved towards support plate 2 and away from support plate 2.In order to realize being relatively fixed between pressure plate 3 and support plate 2.It is pressing Between the projecting end and support portion of tight plate 3 and equipped with locking mechanism.Pressure plate 3 forms similar clamping hoop type with support plate 2 in this way Clamping structure.
In the present embodiment, it is equipped with towards the open slot 21 extended in the front end of support plate 2, open slot 21 is U-lag, right The projecting end in pressure plate 3 answered is provided with the connecting hole 31 of perforation both sides plate face setting.Above-mentioned locking mechanism includes installing Check lock lever 4 in connecting hole 31, check lock lever 4 are provided with boss to be limited in connecting hole backwards to one end of support plate 2 In 31, while one end towards support plate 2 of check lock lever 4 is provided with external screw thread, and adjusting spiral shell is threaded on check lock lever 4 It is female.Connecting hole 31 and open slot 21 are installed by check lock lever 4 in the actual use process, and locked by adjusting nut, this Sample can adjust the relative spacing distance between pressure plate 3 and support plate 2, the further clamping realized to zero sequence transformer It is fixed.
Certainly, in the present embodiment, lock for convenience, the design of above-mentioned open slot 21 can be in fixed zero sequence transformer When, first the position according to rough size adjusting adjusting nut on check lock lever 4, then operates check lock lever 4 and swings, make check lock lever After 4 are rocked in open slot 21, adjusting nut is just fallen in the lower section of support plate 2, then adjusts the position of adjusting nut, is realized The two is relatively fixed.Operation more convenient in this way, and adjusting nut is saved when the position on check lock lever 4 is adjusted Between, improve conventional efficient.
In the present embodiment simultaneously, in order to further realize the convenient of locking operation, in the present embodiment, above-mentioned lock Movable sleeve is gone back on tight bar 4 and is equipped with compact heap 5, and there is compact heap 5 through-hole 51 coordinated with check lock lever 4, the compact heap 5 to have direction The direction of pressure plate 3 is convexly equipped with arcuate guide surface 52, and arcuate guide surface 52 is fastened on when check lock lever 4 is rocked at open slot 21 Between adjusting nut and support plate 2, to increase the pressing force of pressure plate 3.That is, in actual operating process, first Position of the needle adjusting nut on check lock lever 4 is adjusted then to be locked so as to adjust position of the compact heap 5 on check lock lever 4 When bar 4 is rocked in open slot 21, above-mentioned compact heap 5 manually squeezes backward at this time just at the lower section front side of support plate 2 Latch segment, latch segment can be squeezed under the action of arcuate guide surface 52 between support plate 2 and adjusting nut, squeeze to certain The preload between pressure plate 3 and fixed plate can be realized behind position.Mode of operation can directly squeeze locking in experiment in this way Block, need not screw adjusting nut just can make support plate 2 and the opposite locking of pressure plate 3.Operation is simpler.
In the present embodiment, in order to realize multiple zero sequence transformer it is tested while, there are three support plates for setting on pedestal 2, three support plates 2 are spaced are arranged side by side in left-right direction, there are three corresponding pressure plate 3 is also provided with, the fixation that surrounds in this way There are three chambers, can try the error experiments of lower three zero sequence transformer simultaneously.Certainly, in other embodiments, the number of lock chamber Amount can increase or decrease according to the actual needs.
Meanwhile in the present embodiment, it can realize that support is solid for various types of zero sequence transformer in order to realize It is fixed, the versatility of experimental bench is improved, in the present embodiment, the size sentence in the front-back direction of above-mentioned each support plate 2 differs It causes, that is, the diameter of three lock chambers is inconsistent, is adapted to the zero sequence transformer of different type size respectively.Certainly, at it In his embodiment, the inconsistent lock chamber of size can only there are two, can also be more, designed according to actual conditions.
In other embodiments, compressing member can not be hinged on pedestal, and direct both ends be located in support plate when in use On, both ends are respectively provided with locking mechanism realization and are relatively fixed.
In other embodiments, curved support face and arc seal face can be in the horizontal direction or with horizontal directions in certain Angle tilts positioned opposite.
In other embodiments, locking mechanism can directly use the buckle structure of cam-type, be pulled in rotation process Pressure plate is moved towards support plate, and operation is more convenient.
In other embodiments, locked groove could be provided as through-hole structure, and check lock lever directly installs and passes through nut check.
In other embodiments, the rear end of support plate and the rear end of pressure plate can link together.

Claims (10)

1. zero sequence transformer semi-finished product error experiments supporting table, it is characterised in that:Including pedestal, pedestal is equipped with and is used to support zero The support portion of the excircle of sequence mutual inductor is additionally provided with and is arranged for fastening opposite with support portion zero sequence transformer is fixed on branch Compressing member on support part, support portion have for being bonded the curved support face being adapted to, compressing member tool with the periphery of zero sequence transformer Be useful for being bonded the arc seal face that is adapted to the periphery of zero sequence transformer, curved support face and arc seal face it is positioned opposite and The lock chamber for being used to support fixed zero sequence transformer is surrounded, the axis horizontal of lock chamber extends so that zero sequence transformer setting is put It sets.
2. zero sequence transformer semi-finished product error experiments supporting table according to claim 1, it is characterised in that:The compressing member It is hinged on the pressure plate on pedestal for one end, is equipped between the other end and support portion of pressure plate for locking zero sequence transformer Locking mechanism in lock chamber.
3. zero sequence transformer semi-finished product error experiments supporting table according to claim 2, it is characterised in that:The pressure plate Projecting end be equipped with connecting hole, the corresponding end of the support portion is equipped with locked groove, the locking mechanism include be installed on connecting hole and Check lock lever in locked groove further includes being set on check lock lever to adjust the adjusting nut of the relative distance of pressure plate and support portion.
4. zero sequence transformer semi-finished product error experiments supporting table according to claim 3, it is characterised in that:The locked groove is Open slot, the check lock lever are swingable in open slot in the stroke for following pressure plate to swing.
5. zero sequence transformer semi-finished product error experiments supporting table according to claim 4, it is characterised in that:The check lock lever On be also arranged with compact heap, there is the compact heap arcuate guide surface of the direction projection towards pressure plate, arcuate guide surface to use In being fastened on when check lock lever is rocked at open slot between adjusting nut and support portion to increase the pressing force of pressure plate.
6. according to claim 2 ~ 5 any one of them zero sequence transformer semi-finished product error experiments supporting table, it is characterised in that:Institute Stating to overhang upwards on pedestal has support arm, the pressure plate to be hinged on support arm, the support portion and compressing member relative spacing Arrangement.
7. according to claim 1 ~ 5 any one of them zero sequence transformer semi-finished product error experiments supporting table, it is characterised in that:It is fixed The axis left and right directions of adopted lock chamber extends, and the left and right sides that support portion is located on the pedestal is equipped with for mutual with positioning zero sequence The limiting section of sensor block cooperation.
8. zero sequence transformer semi-finished product error experiments supporting table according to claim 7, it is characterised in that:The support portion There are two more than, interval is arranged side by side in left-right direction.
9. zero sequence transformer semi-finished product error experiments supporting table according to claim 8, it is characterised in that:At least one The corresponding lock chamber diameter in support part is less than the corresponding lock chamber diameter of other support portions.
10. according to claim 1 ~ 5 any one of them zero sequence transformer semi-finished product error experiments supporting table, it is characterised in that: The pedestal is rectangular frame structure, including two crossbeams and the longeron that is connected between crossbeam, and the support portion is both ends point The curved support plate on corresponding crossbeam is not ridden upon.
CN201810718136.4A 2018-07-03 2018-07-03 Zero sequence transformer semi-finished product error experiments supporting table Pending CN108761374A (en)

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Application Number Priority Date Filing Date Title
CN201810718136.4A CN108761374A (en) 2018-07-03 2018-07-03 Zero sequence transformer semi-finished product error experiments supporting table

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Publication Number Publication Date
CN108761374A true CN108761374A (en) 2018-11-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109541519A (en) * 2018-12-14 2019-03-29 温州大学 Current transformer performance test retaining mechanism
CN112782442A (en) * 2019-11-11 2021-05-11 河南许继仪表有限公司 Meter bottom capable of positioning relay and mutual inductor and electric meter using meter bottom

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CN203836394U (en) * 2014-04-09 2014-09-17 北汽福田汽车股份有限公司 Hoop device, automobile silencer assembly and automobile
CN205278126U (en) * 2016-01-08 2016-06-01 嘉兴市丰莱桑达贝纸业有限公司 Bearing seat device
CN107991642A (en) * 2017-12-01 2018-05-04 三峡大学 A kind of powered Compare System of voltage transformer error
CN208384097U (en) * 2018-07-03 2019-01-15 河南森源电气股份有限公司 A kind of zero sequence transformer semi-finished product error experiments supporting table

Patent Citations (8)

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Publication number Priority date Publication date Assignee Title
CN202495299U (en) * 2012-03-01 2012-10-17 安徽电缆股份有限公司 Clamping device for conductor wire drawing die
CN202548162U (en) * 2012-04-21 2012-11-21 石家庄供电公司 Special bracket for insulating rod test
CN203165661U (en) * 2013-04-01 2013-08-28 深圳市德派森科技发展有限公司 Zero sequence current transformer
CN203637885U (en) * 2014-01-08 2014-06-11 中国长江电力股份有限公司 Current transformer transfer cart
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CN107991642A (en) * 2017-12-01 2018-05-04 三峡大学 A kind of powered Compare System of voltage transformer error
CN208384097U (en) * 2018-07-03 2019-01-15 河南森源电气股份有限公司 A kind of zero sequence transformer semi-finished product error experiments supporting table

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109541519A (en) * 2018-12-14 2019-03-29 温州大学 Current transformer performance test retaining mechanism
CN109541519B (en) * 2018-12-14 2023-09-05 温州大学 Current transformer performance test locking mechanism
CN112782442A (en) * 2019-11-11 2021-05-11 河南许继仪表有限公司 Meter bottom capable of positioning relay and mutual inductor and electric meter using meter bottom

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