CN104237570A - Leakage current leading-out device used for tracking wheel method test and tracking wheel method test equipment - Google Patents
Leakage current leading-out device used for tracking wheel method test and tracking wheel method test equipment Download PDFInfo
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- CN104237570A CN104237570A CN201410452333.8A CN201410452333A CN104237570A CN 104237570 A CN104237570 A CN 104237570A CN 201410452333 A CN201410452333 A CN 201410452333A CN 104237570 A CN104237570 A CN 104237570A
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Abstract
The invention discloses a leakage current leading-out device used for a tracking wheel method test and tracking wheel method test equipment with the leakage current leading-out device. The leakage current leading-out device comprises an insulating sleeve, multiple copper electrodes, insulating separators, multiple leading wires and a brush carrier assembly. The copper electrodes are axially arranged on the outer circumference of the insulating sleeve in a multi-circle mode, and the copper electrodes inside each circle are spaced in the circumferential direction of the insulating sleeve. The insulating separators are arranged on the outer circumference of the insulating sleeve, and the copper electrodes are spaced through the insulating separators. The leading wires are connected with the corresponding copper electrodes and then led out. The brush carrier assembly comprises an insulating rod shaft and multiple pairs of brush carrier arms. Each pair of brush carrier arms comprise the first brush carrier arm and the second brush carrier arm, wherein the first brush carrier arms are provided with first carbon brushes, and the second brush carrier arms are provided with second carbon brushes. The first carbon brushes and the second carbon brushes are used for making contact with the copper electrodes, and wires are arranged inside the first brush carrier arms and the second brush carrier arms respectively. The leakage current leading-out device is stable and practical and can be applied to leading out multiple paths of leakage current.
Description
Technical field
The present invention relates to a kind of Tracking wheel test leakage current ejector and have its Tracking wheel test equipment, belong to the innovative technology of composite insulator runner method test unit, the electric signal being simultaneously also applicable to other similar whirligigs is drawn.
Background technology
Composite insulator is since 20 middle of century occur, due to plurality of advantages such as its anti-fouling flashover performance are excellent, lightweight, physical strength is high, convenient for installation and maintenance, obtained increasing application, its usage quantity was increased rapidly at nearly 20 years.
Research for composite insulator ageing properties is one of crucial research field of composite insulator.From the seventies in last century, just start to have in the world to test for composite insulator runner method, but in the several years thereafter, never obtained too large progress.In recent years, in the process that composite insulator aging testing method is discussed, because the comprehensive aging testing method of 5000h is too complicated, be difficult to revision test, therefore squirrel wheel method is proposed again again, has been written in the standard of some countries or tissue, in version IEC 62217 standard in 2005, squirrel wheel method is listed in annex as a kind of creepage trace and corrosion tests, and within 2012 thereafter, squirrel wheel method is written in the technical report IEC/TR 62730 of IEC.
Be not described later in detail for squirrel wheel method equipment in IEC/TR 62730, only provide the rough schematic of key position, different researchist designs different testing equipments according to the idea of oneself.Because test insulator is rotating all the time, how leakage current being led to leakage current measurement system is one of the most scabrous problem in squirrel wheel method equipment all the time.
The method generally adopted at present directly contacts with the gold utensil of insulator with a fixing copper sheet, and copper sheet end connects lead-in wire.Along with the rotation of device, copper sheet contacts with the gold utensil of 4 insulators successively, thus draws the leakage current of 4 insulators successively.This method is simple, but reliability is poor, is easy to the situation occurring loose contact.
Along with increasingly mature and usable range increasingly extensive of the manufacture craft of composite insulating material, except traditional composite suspension type insulators uses in a large number in electric system, the use amount of large diameter composite insulator (composite cross-arm insulator, composite post insulator, composite hollow insulator etc. as voltage levels) also expands gradually.For large diameter composite insulator, because girth is comparatively large, the distribution circumferentially of its leakage current may be not identical, and this point may show more obvious after the Ageing of Insulators.
For this reason, in Tracking wheel test, the distribution of measuring test insulator leakage current is circumferentially necessary.At this moment just need to draw multichannel leakage current from a test insulator simultaneously, and now directly to be contacted with insulator hardware by fixing copper sheet and to draw the method for leakage current just infeasible, thus need to develop a kind of reliability high and can be used for the leakage current ejector of multichannel.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of Tracking wheel test leakage current ejector, described Tracking wheel test leakage current ejector reliability is strong and can be used for the extraction of multichannel leakage current.
The invention allows for a kind of Tracking wheel test equipment with above-mentioned Tracking wheel test leakage current ejector.
According to the Tracking wheel test of embodiment of the present invention leakage current ejector, comprising: insulating sleeve, the outer peripheral face of described insulating sleeve is provided with multiple wire casing; Multiple copper electrode, described copper electrode is located on the outer peripheral face of described insulating sleeve, and described copper electrode is along the axial arranged one-tenth multi-turn of described insulating sleeve, and the copper electrode in each circle is spaced apart along the circumference of described insulating sleeve;
Insulator spacer, described insulator spacer is located on the outer peripheral face of described insulating sleeve, and two adjacent rings copper electrode is separated by described insulator spacer, and the adjacent copper electrode in same circle is also separated by described insulator spacer; Multiple lead-in wire, multiple described lead-in wire is located in described wire casing respectively, and the first end of described lead-in wire is connected with corresponding copper electrode, and the second end of described lead-in wire is drawn in described wire casing;
Brush mount component, described brush mount component comprises insulating bar axle and the axially spaced multipair brush holder arm along described insulating bar axle, every a pair brush holder arm comprises the first brush holder arm and the second brush holder arm, first brush holder arm is connected with described insulating bar axle rotationally with the second brush holder arm, the first end of described first brush holder arm is provided with the first carbon brush, the first end of described second brush holder arm is provided with second carbon brush relative with described first carbon brush, described first carbon brush and described second carbon brush are used for contacting with described copper electrode, elastic component is provided with between described first brush holder arm and the second brush holder arm, wire is respectively equipped with in described first brush holder arm and the second brush holder arm, the first end of the wire in described first brush holder arm is connected with described first carbon brush and the second end is drawn from the second end of described first brush holder arm, the first end of the wire in described second brush holder arm is connected with described second carbon brush and the second end is drawn from the second end of described second brush holder arm.
According to the Tracking wheel test of embodiment of the present invention leakage current ejector, be skillfully constructed, novel in design, practicality and stability strong, can be applicable to the extraction of multichannel leakage current, and can be widely used in the leakage current measurement of composite insulator runner method test, also be applicable to the extraction of the electric signal of other similar whirligigs simultaneously.
In addition, Tracking wheel test leakage current ejector according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, described first carbon brush and described second carbon brush surfaces opposite to each other are arc.
According to one embodiment of present invention, described insulating bar axle is provided with multiple bearings that the axially spaced-apart along described insulating bar axle is arranged, second end of described first brush holder arm is connected with described bearing respectively rotationally with the second end of described second brush holder arm, described bearing is provided with through hole and open slot, described insulating bar axle is through described through hole, described open slot is communicated with described through hole, second end of the wire in described first brush holder arm extends to the first side wall of described open slot, second end of the wire in described second brush holder arm extends to the second sidewall of described open slot and is connected with the second end of the wire in described first brush holder arm with the bolt of the second sidewall by running through described the first side wall.
According to one embodiment of present invention, one end of described bolt is provided with two nuts, is provided with two pads between described two nuts, is provided with extraction line between described two pads, and one end of described extraction line is extended between described two pads.
According to one embodiment of present invention, described insulator spacer is that arc strip is block, and the side of described arc strip is provided with projection, and the adjacent copper electrode in same circle separates by described projection.
According to one embodiment of present invention, described copper electrode is arc strip bulk and is installed in described insulator spacer.
According to one embodiment of present invention, the two ends of described insulating sleeve are respectively equipped with flange, the inner face relative with another flange of one of them flange is provided with multiple grooves that the radial direction along this flange extends, and multiple described groove is corresponding to multiple described wire casing second end of drawing described lead-in wire respectively.
According to one embodiment of present invention, the quantity of the quantity of described wire casing, the quantity of described copper electrode and described lead-in wire is mutually the same.
Tracking wheel test equipment according to an embodiment of the invention, comprising: rotating shaft; According to the Tracking wheel test of embodiment of the present invention leakage current ejector, described insulating sleeve is set in described rotating shaft to rotate with described rotating shaft; And support, described brush mount component is installed on the bracket.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the vertical view of the leakage current ejector according to the embodiment of the present invention, does not wherein comprise brush mount component and lead-in wire;
Fig. 2 is the part-structure schematic diagram of the leakage current ejector according to the embodiment of the present invention, does not wherein comprise brush mount component;
Fig. 3 is the structural representation of the brush mount component of leakage current ejector according to the embodiment of the present invention;
Fig. 4 is the structure for amplifying schematic diagram at A place in chromosome 3.
Reference numeral:
Insulating sleeve 10; Wire casing 11;
Copper electrode 20;
Insulator spacer 30; Protruding 31;
Lead-in wire 40;
Brush mount component 50; Insulating bar axle 51; Brush holder arm 52; First brush holder arm 521; Second brush holder arm 522; First carbon brush 523; Second carbon brush 524; Elastic component 53; Bearing 54; Through hole 541; Open slot 542; Bolt 55; Nut 56; Pad 57; Draw line 58;
Flange 60; Groove 61.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Below in conjunction with accompanying drawing detailed description according to the Tracking wheel test equipment of the embodiment of the present invention and Tracking wheel test leakage current ejector.
Rotating shaft, leakage current ejector and support and other auxiliary devices etc. is comprised according to the Tracking wheel test equipment of the embodiment of the present invention.Shown in Fig. 4, the Tracking wheel test leakage current ejector according to the embodiment of the present invention comprises insulating sleeve 10, multiple copper electrode 20, insulator spacer 30, multiple lead-in wire 40 and brush mount component 50.
Leakage current ejector is set in rotating shaft by insulating sleeve 10, and when the spindle is rotated, leakage current ejector can rotate with rotating shaft.The brush mount component 50 of leakage current ejector is rack-mount.Wherein, insulating sleeve 10, multiple copper electrode 20 and insulator spacer 30 constructible set electricity ring.
As illustrated in fig. 1 and 2, the outer peripheral face of insulating sleeve 10 is provided with multiple wire casing 11.Multiple copper electrode 20 is located on the outer peripheral face of insulating sleeve 10, and particularly, multiple copper electrode 20 can along the axial arranged one-tenth multi-turn of insulating sleeve 10.Multiple copper electrode 20 can form a circle, and the copper electrode 20 in each circle can along the spaced apart setting of the circumference of insulating sleeve 10.
Insulator spacer 30 is located on the outer peripheral face of insulating sleeve 10, and adjacent two circle copper electrodes 20 separate by insulator spacer 30, and also separates by insulator spacer 30 between adjacent copper electrode 20 in same circle.
Multiple lead-in wire 40 is located in multiple wire casings 11 of insulating sleeve 10 respectively.Wherein, the first end of lead-in wire 40 can be connected with corresponding copper electrode 20, and the second end of lead-in wire 40 can be drawn in wire casing 11.
As shown in Figure 3, brush mount component 50 comprises insulating bar axle 51 and multipair brush holder arm 52, and multipair brush holder arm 52 is along the axially spaced setting of insulating bar axle 51.Every a pair brush holder arm 52 can comprise the first brush holder arm 521 and the second brush holder arm 522, first brush holder arm 521 is connected with insulating bar axle 51 rotationally with the second brush holder arm 522.
The first end that the first end of the first brush holder arm 521 is provided with the first carbon brush 523, second brush holder arm 522 is provided with the second carbon brush 524, second carbon brush 524 and the first carbon brush 523 is oppositely arranged.First carbon brush 523 and the second carbon brush 524 can be used for contacting with copper electrode 20, draw for by leakage current.
As shown in Figure 3, elastic component 53 can be provided with between the first brush holder arm 521 and the second brush holder arm 522.Wire (not shown) can be provided with respectively in first brush holder arm 521 and the second brush holder arm 522, the first end of the wire in the first brush holder arm 521 is connected with the first carbon brush 523, and the second end of this wire is drawn from the second end of the first brush holder arm 521.The first end of the wire in the second brush holder arm 522 is connected with the second carbon brush 524, and the second end of this wire is drawn from the second end of the second brush holder arm 522.
As follows according to the principle of work of the leakage current ejector of the embodiment of the present invention: during test, the lead-in wire 40 of collector ring part is connected on test insulator respectively, collector ring part follows the rotating shaft synchronous rotary of squirrel wheel method equipment, and brush mount component 50 is fixed on the support of squirrel wheel method equipment.According to IEC/TR 62730-2012, rotating shaft drives four test insulators to carry out 8s to turn 90 ° of intermittent exercises resting 40s again, so brush holder arm 52 contacts successively with copper electrode 20 multiple in a group.As long as what the copper electrode 20 that when ensureing each stall, brush holder arm 52 contacts connected is the test insulator added high pressure, the leakage current of multiple test insulator just can be drawn successively.
At the trial, collector ring part follows the rotating shaft synchronous rotary of squirrel wheel method equipment, and brush mount component 50 is fixed on same position, is drawn the leakage current of different tests product, and can draw multichannel electric current simultaneously by brush holder arm 52 and the contact of different Cu electrode 20.This device is stable and practical, can be applicable to the extraction of multichannel leakage current.
Leakage current ejector according to the embodiment of the present invention is skillfully constructed, novel in design, practical, can be widely used in the leakage current measurement of composite insulator runner method test, also be applicable to the extraction of the electric signal of other similar whirligigs simultaneously.
As shown in Figure 2, insulating sleeve 10 can be made up of two semicircular cylinders, and tightened by insulated bolt between two semicircular cylinders and be stuck on the transmission shaft of squirrel wheel method equipment, when drive axis, leakage current ejector can rotate thereupon.Insulating sleeve 10 can be provided with many group groove class wire casings 11, such as, insulating sleeve 10 can be milled with four groups of wire casings 11, often organize wire casing 11 and extend along the axis of insulating sleeve 10 respectively, and along the circumference setting spaced apart parallel of insulating sleeve 10.
The side of insulating sleeve 10 can be provided with four groups of wire holes, and each wire hole communicates with a wire casing 11, and the lead-in wire 60 in wire casing 11 can be drawn easily in wire hole.Particularly, this wire hole is formed by the groove 61 of the flange 60 being arranged on insulating sleeve 10 side, and each groove 61 is communicated with corresponding wire casing respectively.
Particularly, as depicted in figs. 1 and 2, the two ends of insulating sleeve 10 can be provided with flange 60 respectively, and one of them flange 60 can be provided with multiple groove 61, and multiple groove 61 can extend along the radial direction of flange 60.Particularly, multiple groove 61 is located on this flange 60 inner face relative with another flange 60.Multiple groove 61 respectively can be corresponding with multiple wire casing 11, to draw the second end of lead-in wire 40.
Copper electrode 20 in each circle can comprise four pieces of copper electrodes, 20, four pieces of copper electrodes 20 and be evenly distributed on one week of insulating sleeve 10.Lead-in wire 40 is embedded in wire casing 11, and go between 40 one end be bolted on copper electrode 20, the other end of lead-in wire 40 is drawn by groove 61, is connected on the insulator of test.
As shown in Figure 2, insulator spacer 30 can in the ┝ type of arc-shaped, and multiple insulator spacer 30 can along the axial arranged one-tenth multi-turn of insulating sleeve 10, and each circle can comprise multiple insulator spacer 30.Such as, four insulator spacer 30 can form a circle, and be adjacent two enclose between copper electrodes 20 and wherein form between four pieces of copper electrodes 20 of a circle by four insulator spacer 30 mutually insulateds.
Insulator spacer 30 can be formed as arc strip bulk, as shown in Figure 2.Separator 30 can be provided with protruding 31 along the side of insulating sleeve 10 axis, and protruding 31 by spaced apart for adjacent two copper electrodes 20 being positioned at same circle.That is, insulator spacer 30 can be formed as insulating spacer, and insulating spacer can in the ┝ type of arc-shaped, and just in time can be close to and be placed on insulating sleeve 10.
Centre above each insulator spacer 30 can be provided with a threaded hole, and insulating sleeve 10 has corresponding threaded hole, and insulator spacer 30 is fixed on insulating sleeve 10 by insulated bolt, and the insulated bolt of use is can interior hexagonal insulated bolt.
Further, copper electrode 20 can be formed as arc strip bulk and be installed in insulator spacer 30.Particularly, respectively there is a threaded hole at the two ends of the projection 31 of insulator spacer 30, the side of copper electrode 20 is evenly distributed with some threaded holes, two threaded holes are wherein corresponding with the threaded hole of two in insulator spacer 30, make copper electrode 20 be fixed in insulator spacer 30 by insulated bolt, the insulated bolt of use is can interior hexagonal insulated bolt.The quantity of other threaded holes on copper electrode 20 is equal with the quantity often organizing wire casing 11 and position that is each wire casing 11 in position and often group is corresponding.
Each copper electrode 20 is installed in the lower end of a ┝ type insulator spacer 30 and the upper end of another ┝ type insulator spacer 30, and namely each copper electrode 20 is located between two projections 31 of two insulator spacer 31.Insulated by the projection 31 of insulator spacer 30 between adjacent two copper electrodes 20 often organized, several groups of ┝ type insulator spacer 30 arranged adjacent are fixed on insulating sleeve 10, are insulated between two adjacent groups copper electrode 20 by insulator spacer 30.
As shown in Figure 1, the width of each copper electrode 20 can be identical with the width of the projection 31 of insulator spacer 30 (the axially extended size along insulating sleeve 10), and the thickness of each copper electrode 20 can be identical with the thickness of insulator spacer 30.Thus, each copper electrode 20 fits tightly between insulator spacer 30 and the outer peripheral face of leakage current ejector can be formed as even surface, with the close contact of the brush holder arm 52 with copper electrode 20 that ensure brush mount component 5.
The insulating bar axle 51 of brush mount component 50 is fixed on the support of squirrel wheel method equipment, and the first brush holder arm 521 and the second brush holder arm 522 can be formed as lambdoid brush holder arm 52.A brush mount component 50 can comprise multiple lambdoid brush holder arm 52, and multiple brush holder arm 52 is fixed on insulating bar axle 51 side by side.
As shown in Figure 3, the first carbon brush 523 and the second carbon brush 524 surfaces opposite to each other can be formed as arc.That is, two ends of each lambdoid brush holder arm 52 are equiped with carbon brush respectively, the side camber of carbon brush.Thus, carbon brush is more easily fitted on the outside surface of copper electrode 20, and carbon brush can better contact with copper electrode 20, ensure that to have good electric conductivity between brush holder arm 52 and copper electrode 10.
Elastic component 53 can be installed between the two-arm of herringbone brush holder arm 52, particularly, elastic component 53 can be spring, and spring supporting is between the first brush holder arm 521 and the second brush holder arm 522, opening and closing degree between two-arm can be changed, to ensure the contact of brush holder arm 52 and copper electrode 20 better.
As shown in Figure 3, insulating bar axle 51 can be provided with multiple bearing 54, multiple bearing 54 can be arranged along the axially spaced-apart of insulating bar axle 51.Second end of the first brush holder arm 521 is connected with bearing 54 respectively rotationally with the second end of the second brush holder arm 522, and bearing 54 can be formed " head " of herringbone brush holder arm 52.
Bearing 54 can be provided with through hole 541 and open slot 542, the front surface of the through bearing 54 of through hole 541 and rear surface, insulating bar axle 51 can be located in through hole 541.Through hole 541 can be formed as circular port, and open slot 542 roughly can be formed as straight trough, and one end of open slot 542 is communicated with through hole 541, and the other end of open slot 542 extends to the edge of bearing 54.Bearing 54 is clamped on insulating bar axle 51 by bolt 55 and nut 56.
The top of the first brush holder arm 521 and the bottom of the second brush holder arm 522 are all fixed with a wire.Wherein, wire is positioned at the inside of the first brush holder arm 521 and the second brush holder arm 522, therefore, and this wire not shown in Fig. 3.The first end of the wire in the first brush holder arm 521 is connected with the first carbon brush 523, and the second end of this wire extends to the first side wall of open slot 542, the upper side wall of the open slot 542 namely shown in Fig. 3.The first end of the wire in the second brush holder arm 522 is connected with the second carbon brush 524, and the second end of this wire extends to the second sidewall of open slot 542, the lower wall of the open slot 542 namely shown in Fig. 3.
Thus, the second end of two wires can be connected to the head of herringbone brush holder arm 52.Bolt 55 runs through the first side wall and the second sidewall, and passes from the centre of two wires.Second end of the wire in the second brush holder arm 522 is connected with the second end of the wire in the first brush holder arm 521 by bolt 55.Alternatively, two wires can be respectively copper litz wire.
As shown in Figure 4, draw line 58 to draw from the head of herringbone brush holder arm 52.Particularly, one end of bolt 55 can be provided with can be provided with between two nuts, 56, two nuts 56 can be provided with between two pads, 57, two pads 57 draws line 58, and the one end of drawing line 58 is extended between two pads 57.
In other words, herringbone brush holder arm 52 is clamped on insulating bar axle 51 by bolt 55 and nut 56, and wherein, nut 56 has two, has two pads 57 in the middle of two nuts 56, and the one end of drawing line 58 is looped around in the middle of two pads 57, is clamped by two nuts 56.The other end of drawing line 58 stretches out, for connecting other equipment.Wherein, bolt 55 passes from the centre of two wires, ensure that leakage current can unimpededly flow to and draws on line 58.
Advantageously, the quantity of the quantity of wire casing 11, the quantity of copper electrode 20 and lead-in wire 40 can be mutually the same, to ensure correctness and the convenience of wiring.Specifically, on insulating sleeve 19 often organize the quantity of wire casing 11, the quantity of the often group wire hole (i.e. groove 61) of insulating sleeve 10 side, the group number of copper electrode 20, the group number of insulator spacer 30, the quantity of collector ring part lead-in wire 40, the quantity of herringbone brush holder arm 52, the extraction line 58 of brush mount component 50 quantity all should be identical, and all equal the way treating extraction leakage current.
Several groups of insulator spacer 30 on insulating sleeve 10 are arranged side by side on insulating sleeve 10 with several groups of copper electrodes 20, and corresponding radial position is identical.Often organizing lead-in wire 40 buries in wire casings 11 different in each group respectively, and go between 40 one end be fixed in the threaded hole corresponding with place wire casing 11 of the side of each copper electrode 20 successively according to putting in order, the other end is drawn successively in the wire hole corresponding with place wire casing 11 and groove 61.Particularly, the way of leakage current that the quantity of each parts can be drawn as required is determined.Wherein, the simplest situation is that leakage current to be drawn only has a road.
According to Tracking wheel test equipment of the invention process and wheel turn test leakage current ejector other form and operation be known for the person of ordinary skill of the art, be not described in detail at this.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. a Tracking wheel test leakage current ejector, is characterized in that, comprising:
Insulating sleeve, the outer peripheral face of described insulating sleeve is provided with multiple wire casing;
Multiple copper electrode, described copper electrode is located on the outer peripheral face of described insulating sleeve, and described copper electrode is along the axial arranged one-tenth multi-turn of described insulating sleeve, and the copper electrode in each circle is spaced apart along the circumference of described insulating sleeve;
Insulator spacer, described insulator spacer is located on the outer peripheral face of described insulating sleeve, and two adjacent rings copper electrode is separated by described insulator spacer, and the adjacent copper electrode in same circle is also separated by described insulator spacer;
Multiple lead-in wire, multiple described lead-in wire is located in described wire casing respectively, and the first end of described lead-in wire is connected with corresponding copper electrode, and the second end of described lead-in wire is drawn in described wire casing; And
Brush mount component, described brush mount component comprises insulating bar axle and the axially spaced multipair brush holder arm along described insulating bar axle, every a pair brush holder arm comprises the first brush holder arm and the second brush holder arm, first brush holder arm is connected with described insulating bar axle rotationally with the second brush holder arm, the first end of described first brush holder arm is provided with the first carbon brush, the first end of described second brush holder arm is provided with second carbon brush relative with described first carbon brush, described first carbon brush and described second carbon brush are used for contacting with described copper electrode, elastic component is provided with between described first brush holder arm and the second brush holder arm, wire is respectively equipped with in described first brush holder arm and the second brush holder arm, the first end of the wire in described first brush holder arm is connected with described first carbon brush and the second end is drawn from the second end of described first brush holder arm, the first end of the wire in described second brush holder arm is connected with described second carbon brush and the second end is drawn from the second end of described second brush holder arm.
2. Tracking wheel test leakage current ejector according to claim 1, is characterized in that, described first carbon brush and described second carbon brush surfaces opposite to each other are arc.
3. Tracking wheel test leakage current ejector according to claim 1, it is characterized in that, described insulating bar axle is provided with multiple bearings that the axially spaced-apart along described insulating bar axle is arranged, second end of described first brush holder arm is connected with described bearing respectively rotationally with the second end of described second brush holder arm, described bearing is provided with through hole and open slot, described insulating bar axle is through described through hole, described open slot is communicated with described through hole, second end of the wire in described first brush holder arm extends to the first side wall of described open slot, second end of the wire in described second brush holder arm extends to the second sidewall of described open slot and is connected with the second end of the wire in described first brush holder arm with the bolt of the second sidewall by running through described the first side wall.
4. Tracking wheel test leakage current ejector according to claim 3, it is characterized in that, one end of described bolt is provided with two nuts, two pads are provided with between described two nuts, be provided with extraction line between described two pads, one end of described extraction line is extended between described two pads.
5. Tracking wheel test leakage current ejector according to claim 1, is characterized in that, described insulator spacer is that arc strip is block, and the side of described arc strip is provided with projection, and the adjacent copper electrode in same circle separates by described projection.
6. Tracking wheel test leakage current ejector according to claim 1, is characterized in that, described copper electrode is arc strip bulk and is installed in described insulator spacer.
7. Tracking wheel test leakage current ejector according to claim 1, it is characterized in that, the two ends of described insulating sleeve are respectively equipped with flange, the inner face relative with another flange of one of them flange is provided with multiple grooves that the radial direction along this flange extends, and multiple described groove is corresponding to multiple described wire casing second end of drawing described lead-in wire respectively.
8. the leakage current ejector of the Tracking wheel test according to claim 1-7, is characterized in that, the quantity of the quantity of described wire casing, the quantity of described copper electrode and described lead-in wire is mutually the same.
9. a Tracking wheel test equipment, is characterized in that, comprising:
Rotating shaft;
Tracking wheel test according to any one of claim 1-8 leakage current ejector, described insulating sleeve is set in described rotating shaft to rotate with described rotating shaft; And
Support, described brush mount component is installed on the bracket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452333.8A CN104237570B (en) | 2014-09-05 | 2014-09-05 | Leakage current leading-out device used for tracking wheel method test and tracking wheel method test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452333.8A CN104237570B (en) | 2014-09-05 | 2014-09-05 | Leakage current leading-out device used for tracking wheel method test and tracking wheel method test equipment |
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| CN104237570A true CN104237570A (en) | 2014-12-24 |
| CN104237570B CN104237570B (en) | 2017-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849521A (en) * | 2015-05-11 | 2015-08-19 | 清华大学 | Annular multi-path electrode for composite cross arm tracking wheel test |
| CN106953183A (en) * | 2017-02-24 | 2017-07-14 | 清华大学 | Leakage current for Tracking wheel test draws equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57194366A (en) * | 1981-05-26 | 1982-11-29 | Sumitomo Electric Ind Ltd | Detector for defective insulator |
| JPH11183558A (en) * | 1997-12-25 | 1999-07-09 | Fujikura Ltd | Inspection device for strain insulator chain |
| CN201203653Y (en) * | 2008-06-16 | 2009-03-04 | 武汉大学 | Accelerated aging test apparatus for composite insulator runner |
| CN103558480B (en) * | 2013-11-13 | 2015-12-09 | 上海昭程整流子科技有限公司 | A kind of high-low voltage detector of commutator |
-
2014
- 2014-09-05 CN CN201410452333.8A patent/CN104237570B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849521A (en) * | 2015-05-11 | 2015-08-19 | 清华大学 | Annular multi-path electrode for composite cross arm tracking wheel test |
| CN104849521B (en) * | 2015-05-11 | 2017-12-19 | 清华大学 | The annular multi-electrode of compound cross-arm Tracking wheel test |
| CN106953183A (en) * | 2017-02-24 | 2017-07-14 | 清华大学 | Leakage current for Tracking wheel test draws equipment |
| CN106953183B (en) * | 2017-02-24 | 2019-09-17 | 清华大学 | Leakage current for Tracking wheel test draws equipment |
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| Publication number | Publication date |
|---|---|
| CN104237570B (en) | 2017-01-11 |
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