CN205539200U - Cable conductor shields resistance measurement device - Google Patents
Cable conductor shields resistance measurement device Download PDFInfo
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- CN205539200U CN205539200U CN201620306218.4U CN201620306218U CN205539200U CN 205539200 U CN205539200 U CN 205539200U CN 201620306218 U CN201620306218 U CN 201620306218U CN 205539200 U CN205539200 U CN 205539200U
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- insulating barrier
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Abstract
The embodiment of the utility model discloses cable conductor shields resistance measurement device, including the first insulation baffle and with parallel arrangement's the 2nd insulating barrier, first insulation baffle and the 2nd insulating barrier are connected through the screw rod, be provided with on the screw rod be used for adjusting with fixed first bolt, be provided with the wiring electrode on the first insulation baffle, the wiring electrode one end of being close to the 2nd insulating barrier is provided with the adjustable contact electrode of semicircular, and adjustable contact electrode is connected with the wiring electrode through the second bolt. Through setting up the electrode at the adjustable contact electrode into semicircular to can realize the inseparable laminating of electrode and cable conductor shielding resistance, in addition, be provided with the big or small adjustable contact electrode of different diameters, can match the cable in different cross -sections, make the embodiment of the utility model provides a cable conductor shields resistance measurement device can be better, more accurate measurement cable conductor shielding resistance.
Description
Technical field
This utility model relates to power cable technical field, particularly relates to a kind of cable conductor shielding electric resistance measuring apparatus.
Background technology
Power cable is that its insulating properties directly concern electrical network for transmitting and distribute the important device of electric energy in network system
The safe and stable operation of system, cable conductor is formed by multiple conducting wires is stranded, although have passed through tight during producing twisted wire
The PROCESS FOR TREATMENT of lattice, but still there is tiny burr in conductive surface, easily causes electric field and concentrate.For uniform cable conductor
The electric field on surface, prevents from concentrating and then the insulating properties fault that causes because conductive surface burr produces electric field, cable design,
Produce and manufacture process is provided with conductor shield.
Conductor shield refers to the layer of semiconductor material arranged between cable conductor and cable insulation, its electric conductivity
Can be between conductor and insulator, and the span of control of specific insulation need to meet national standard requirement.In prior art,
When measuring conductor shield resistance, along insulated wire cores, cable need to be slit longitudinally into two halves from finished cable sample, removal is led
Body and insulating barrier, to prepare conductor shielding test specimen, with sheffield plate electrode measurement conductor shielding resistance, then calculate its resistance
Rate.
But, due to the particularity of the construction of cable, the inner surface of conductor shielding test specimen is semicircle, and present stage measures cable
Electrode in the device of conductor shielding resistance can not be fitted the inner surface of test specimen closely, is easily caused loose contact, thus
Affect the accuracy of test result, even cause the erroneous judgement to product experimental result.
Utility model content
This utility model embodiment provides a kind of cable conductor shielding electric resistance measuring apparatus, of the prior art to solve
Cable conductor shielding electric resistance measuring apparatus can not fit tightly with cable conductor shielding resistance, causes measurement result inaccurate
Problem.
In order to solve above-mentioned technical problem, this utility model embodiment discloses following technical scheme:
A kind of cable conductor shielding electric resistance measuring apparatus, including the first insulating barrier and parallel with described first insulating barrier
The second insulating barrier arranged, is provided with the first spacing between described first insulating barrier and the second insulating barrier and passes through
Screw rod is connected, and described screw rod is provided with the first bolt for regulating and fix described first spacing；Described first exhausted
Four link electrodes it are provided with on edge dividing plate, described link electrode and the plane at described first insulating barrier place be vertically arranged,
And run through described first insulating barrier；It is provided with semicircular near described link electrode one end of described second insulating barrier
Adjustable contact electrode, described adjustable contact electrode is connected with described link electrode by the second bolt.
Preferably, described link electrode includes that the first link electrode, the second link electrode, the 3rd link electrode and the 4th connect
Line electrode, and described first link electrode, the second link electrode, the 3rd link electrode and the 4th link electrode be positioned at same
On bar straight line, wherein, it is provided with the second spacing and described second between described second link electrode and the 3rd link electrode
Spacing is 50mm, is provided with the 3rd spacing between described first link electrode and the second link electrode, described 3rd spacing and
4th spacing is all higher than or equal to 25mm, and described 3rd spacing and the 4th spacing is equal in magnitude.
Preferably, described first bolt includes that bolt fixed by the first regulation bolt and first, and described first regulation bolt is positioned at
Away from the side of described first insulating barrier of described second insulating barrier, described first fixes bolt is located remotely from described
The side of described second insulating barrier of one insulating barrier.
Preferably, described link electrode, adjustable contact electrode and the second bolt are the resistivity silver-plated structure of low copper.
Preferably, described screw rod and described first bolt are metal structure.
From above technical scheme, the cable conductor shielding electric resistance measuring apparatus that this utility model embodiment provides, pass through
Electrode is set to semicircular adjustable contact electrode, such that it is able to realize the tight patch of electrode and cable conductor shielding resistance
Close, it addition, be provided with the adjustable contact electrode of different-diameter size, it is possible to the cable of coupling different cross section so that this reality
The cable conductor shielding electric resistance measuring apparatus provided by new embodiment can measure cable conductor shielding more preferably, more accurately
Resistance.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will to embodiment or
In description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, for ordinary skill people
For Yuan, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of cable conductor shielding electric resistance measuring apparatus that Fig. 1 provides for this utility model embodiment；
The structural representation of the another kind of cable conductor shielding electric resistance measuring apparatus that Fig. 2 provides for this utility model embodiment；
Illustrate:
1-the first insulating barrier, 2-the second insulating barrier, 3-screw rod, 4-the first bolt, 5-link electrode, 6-is adjustable to be touched
Tip electrode, 7-the second bolt, 41-first regulates bolt, and 42-first fixes bolt, 51-the first link electrode, 52-
Two link electrodes, 53-the 3rd link electrode, 54-the 4th link electrode.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in this utility model, below in conjunction with this practicality
Accompanying drawing in new embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that
Described embodiment is only a part of embodiment of this utility model rather than whole embodiments.New based on this practicality
Embodiment in type, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, all should belong to the scope of this utility model protection.
See a kind of cable conductor shielding electric resistance measuring apparatus that Fig. 1 and Fig. 2, Fig. 1 provide for this utility model embodiment
Structural representation, the knot of the another kind of cable conductor shielding electric resistance measuring apparatus that Fig. 2 provides for this utility model embodiment
Structure schematic diagram.
As depicted in figs. 1 and 2, the cable conductor shielding electric resistance measuring apparatus that this utility model embodiment provides, including the
One insulating barrier 1 and the second insulating barrier 2 be arrangeding in parallel with the first insulating barrier 1, the first insulating barrier 1 and
It is provided with the first spacing between two insulating barriers 2, and the first insulating barrier 1 and the second insulating barrier 2 are by screw rod 3 phase
Connect, screw rod 3 is provided with the first bolt 4 for fixing and regulate the first spacing.By the first bolt 4 scalable
The first spacing between first insulating barrier 1 and the second insulating barrier 2, and fixation is played when being adjusted to desirable value.
The flat of four link electrodes 5, link electrode 5 and the first insulating barrier 1 place it is provided with on first insulating barrier 1
Face is vertically arranged and runs through the first insulation board 1.Link electrode 5 one end outside the first spacing is connected to external circuit,
The cable conductor shielding resistance that the other end connects can be measured.
Link electrode 5 one end of second insulation board is provided with semicircular adjustable contact electrode 6, adjustable contact electrode
6 are connected with link electrode 5 by the second bolt 7.Wherein, adjustable contact electrode 6 can be carried out by the second bolt 7
Dismounting and replacing, the most adjustable contact electrode 6 is provided with the size of different-diameter size, the convenient cable for different cross section
Coupling such that it is able to measure the shielding resistance of plurality of specifications cable conductor.
A kind of preferred embodiment provided as this utility model, as in figure 2 it is shown, link electrode 5 includes the first wiring electricity
Pole the 51, second link electrode the 52, the 3rd link electrode 53 and the 4th link electrode 54, and the first link electrode 51,
Two link electrode the 52, the 3rd link electrodes 53 and the 4th link electrode 54 are respectively positioned on same straight line, wherein, and second
It is provided with the second spacing between link electrode 52 and the 3rd link electrode 53, and the second spacing is 50mm.First wiring electricity
Be provided with between pole 51 and the second link electrode 52 the 3rd spacing, the 3rd link electrode 53 and the 4th link electrode 54 it
Between be provided with the 4th spacing, the 3rd spacing and the 4th spacing are all higher than or equal to 25mm, such as 30mm, and the 3rd spacing and the
Four spacing equal in magnitude.
Further, the first bolt 4 includes that the first regulation bolt 41 and first fixes bolt 42, the first regulation bolt 41
Being located remotely from the side of the first insulating barrier 1 of the second insulating barrier 2, it can be located at the appearance at the first insulating barrier 1
Face, by rotating the first regulation bolt 41, between first between scalable the first insulating barrier 1 and the second insulating barrier 2
Away from, the first insulating barrier 1 and the second insulating barrier 2 are provided with no less than two groups of screw rods 3 and the first bolt meanwhile
4, regulate bolt 41 by regulation each group first, also can realize between the first insulating barrier 1 and the second insulating barrier 2
It is arranged in parallel.First fixes the side that bolt 42 is located remotely from the second insulating barrier 2 of the first insulating barrier 1, and it can position
In the outer surface at the second insulating barrier 2, fix bolt 42 by first, can be by the first insulating barrier 1 and the second insulation
The first spacing between dividing plate 2 is fixed, and uses when being convenient for measuring.
Further, link electrode 5, adjustable contact electrode 6 and the second bolt 7 are the resistivity silver-plated knot of low copper
Structure, thus its electric conductivity can be increased, reduce produced error in the measurement of measured cable conductor shielding resistance.
And screw rod 3 and the first bolt 4 are metal structure, can increase between the first insulating barrier 1 and the second insulating barrier 2
Stability, reduces error further.
From above technical scheme, the cable conductor shielding electric resistance measuring apparatus that this utility model embodiment provides, pass through
Electrode is set to semicircular adjustable contact electrode, such that it is able to realize the tight patch of electrode and cable conductor shielding resistance
Close, it addition, be provided with the adjustable contact electrode of different-diameter size, it is possible to the cable of coupling different cross section so that this reality
The cable conductor shielding electric resistance measuring apparatus provided by new embodiment can measure cable conductor shielding more preferably, more accurately
Resistance.
It should be noted that in this article, such as the relational terms of " first " and " second " or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or behaviour
Relation or the order of any this reality is there is between work.And, term " includes ", " comprising " or it is any
Other variants are intended to comprising of nonexcludability so that include the process of a series of key element, method, article or
Equipment not only includes those key elements, but also includes other key elements being not expressly set out, or also includes for this mistake
The key element that journey, method, article or equipment are intrinsic.In the case of there is no more restriction, statement " include one
It is individual ... " key element that limits, it is not excluded that there is also in including the process of described key element, method, article or equipment
Other identical element.
The above is only detailed description of the invention of the present utility model, makes to skilled artisans appreciate that or realize this reality
With novel.Multiple amendment to these embodiments will be apparent to one skilled in the art, herein institute
The General Principle of definition can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.
Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to disclosed herein
Principle and the consistent the widest scope of features of novelty.
Claims (5)
1. cable conductor shielding electric resistance measuring apparatus, it is characterised in that include the first insulating barrier (1) and with
The second insulating barrier (2) that described first insulating barrier (1) be arranged in parallel, described first insulating barrier (1) and second
Being provided with the first spacing between insulating barrier (2) and be connected by screw rod (3), described screw rod is provided with on (3)
For fixing and regulate first bolt (4) of described first spacing；
Four link electrodes (5) it are provided with, described link electrode (5) and described the on described first insulating barrier (1)
The plane at one insulating barrier (1) place is vertically arranged and runs through described first insulating barrier (1)；
Semicircular adjustable contact electricity it is provided with near described link electrode (5) one end of described second insulating barrier (2)
Pole (6), described adjustable contact electrode (6) is connected with described link electrode (5) by the second bolt (7).
Cable conductor the most according to claim 1 shielding electric resistance measuring apparatus, it is characterised in that described link electrode
(5) the first link electrode (51), the second link electrode (52), the 3rd link electrode (53) and the 4th wiring electricity are included
Pole (54), and described first link electrode (51), the second link electrode (52), the 3rd link electrode (53) and the 4th
Link electrode (54) is located on the same line；Wherein:
It is provided with the second spacing and described second between described second link electrode (52) and the 3rd link electrode (53)
Spacing is 50mm, is provided with the 3rd spacing, institute between described first link electrode (51) and the second link electrode (52)
State and between the 3rd link electrode (53) and the 4th link electrode (54), be provided with the 4th spacing, described 3rd spacing and
Four spacing are all higher than or equal to 25mm, and described 3rd spacing and the 4th spacing is equal in magnitude.
Cable conductor the most according to claim 1 shielding electric resistance measuring apparatus, it is characterised in that described first bolt
(4) including that bolt (42) fixed by the first regulation bolt (41) and first, described first regulation bolt (41) is positioned at far
From the side of described first insulating barrier (1) of described second insulating barrier (2), described first fixes bolt (42)
It is located remotely from the side of described second insulating barrier (2) of described first insulating barrier (1).
Cable conductor the most according to claim 1 shielding electric resistance measuring apparatus, it is characterised in that described link electrode
(5), adjustable contact electrode (6) and the second bolt (7) are the resistivity silver-plated structure of low copper.
Cable conductor the most according to claim 1 shielding electric resistance measuring apparatus, it is characterised in that described screw rod (3)
It is metal structure with described first bolt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306218.4U CN205539200U (en) | 2016-04-13 | 2016-04-13 | Cable conductor shields resistance measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306218.4U CN205539200U (en) | 2016-04-13 | 2016-04-13 | Cable conductor shields resistance measurement device |
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| Publication Number | Publication Date |
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| CN205539200U true CN205539200U (en) | 2016-08-31 |
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| CN201620306218.4U Active CN205539200U (en) | 2016-04-13 | 2016-04-13 | Cable conductor shields resistance measurement device |
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| CN (1) | CN205539200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061793A (en) * | 2017-12-15 | 2018-05-22 | 哈尔滨工业大学 | A kind of test device and test method of fresh concrete isolation degree |
-
2016
- 2016-04-13 CN CN201620306218.4U patent/CN205539200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061793A (en) * | 2017-12-15 | 2018-05-22 | 哈尔滨工业大学 | A kind of test device and test method of fresh concrete isolation degree |
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