CN203366869U - Column type porcelain insulator - Google Patents
Column type porcelain insulator Download PDFInfo
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- CN203366869U CN203366869U CN 201320456359 CN201320456359U CN203366869U CN 203366869 U CN203366869 U CN 203366869U CN 201320456359 CN201320456359 CN 201320456359 CN 201320456359 U CN201320456359 U CN 201320456359U CN 203366869 U CN203366869 U CN 203366869U
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- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 75
- 239000012212 insulator Substances 0.000 title claims abstract description 51
- 230000008878 coupling Effects 0.000 claims description 39
- 238000010168 coupling process Methods 0.000 claims description 39
- 238000005859 coupling reaction Methods 0.000 claims description 39
- 238000003825 pressing Methods 0.000 claims description 30
- 238000012856 packing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 55
- 239000010959 steel Substances 0.000 abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 54
- 229910052782 aluminium Inorganic materials 0.000 abstract description 54
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 47
- 239000004020 conductor Substances 0.000 description 47
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013404 process transfer Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The application provides a column type porcelain insulator. When the porcelain insulator is employed to fix a steel core aluminum conducting wire, the steel core aluminum conducting wire is firstly arranged in a first groove, and the first groove and a second groove are the same. The distance from a first fixing hole to the center point of the second groove is the same as the distance from a first fixing rod to the center point of the first groove, and the distance from a second fixing hole to the center point of the second groove is the same as the distance from a second fixing rod to the center point of the first groove. When a first bolt and a second bolt, which are penetrated with nuts, respectively penetrates through the first fixing hole and the second fixing hole and are screwed to the first fixing rod and the second fixing rod, the first groove is aligned with the second groove, and the steel core aluminum conducting wire is fixed by a groove formed by the first groove and the second groove. As a result, the abrasion of the steel core aluminum conducting wire under the micro vibration effect and the breakage probability of the steel core aluminum conducting wire are reduced, and the power failure rate is lowered. Meanwhile, the above fixing method is more reliable than the binding method so that the steel core aluminum conducting wire can be prevented from falling and the danger to the personal safety can be avoided.
Description
Technical field
The application relates to the electric power communication device technical field, particularly a kind of column type porcelain insulator.
Background technology
Column type porcelain insulator is the insulator of the column pattern made by electrotechnical ceramics, for fixing distribution line.Column type porcelain insulator comprises porcelain piece at present, and an end of described porcelain piece is provided with the groove with the aluminium steel conductor coupling, and the other end is perfused with bolt.
Column type porcelain insulator usually is embedded into aluminium steel conductor in this groove when fixing distribution line, and use aluminum steel as wiring, by the aluminium steel conductor colligation on column type porcelain insulator, the other end that is not banded with the steel core wire passes by bolt the fixing hole arranged on high voltage power transmission tower, nut is screwed on bolt, so that column type porcelain insulator is fixed on high voltage power transmission tower.
But due to the effect of natural season wind, rain, snow power, make between aluminium steel conductor and wiring, column type porcelain insulator to produce micro-vibration, along with increase service time, wiring can become flexible gradually, and after wiring gets loose fully, aluminium steel conductor drops.If personnel touch the aluminium steel conductor dropped, entail dangers to personal security.And under micro-effect of vibration, wiring wearing and tearing aluminium steel conductor, thus improve the probability that aluminium steel conductor rubs, and then improve the power failure probability.
The utility model content
The application's technical problem to be solved is to provide a kind of column type porcelain insulator, improve the problem that the power failure probability improves in order to solve the probability that personal security problem and aluminium steel conductor rub that jeopardizes caused that drops of aluminium steel conductor in prior art after wiring gets loose.Technical scheme is as follows:
A kind of column type porcelain insulator, comprise porcelain piece, wire pressing plate, the first bolt, the second bolt, with the first nut of described the first bolt coupling, with the second nut, the first fixed lever of hollow and second fixed lever of hollow of described the second bolt coupling;
Wherein, an end of described porcelain piece is provided with the first groove, and an end that is provided with described the first groove is perfused with cap, and described upper cap does not cover described the first groove;
Described the first fixed lever and described the second fixed lever are fixed on the upper surface of described upper cap, and lay respectively at a side of described the first groove;
There is the screw thread mated with described the first bolt on the inner surface of described the first fixed lever, there is the screw thread with described the second bolt coupling on the inner surface of described the second fixed lever;
Be provided with second groove identical with described the first groove on one surface of described wire pressing plate, and the central point of the central point of the first groove and the second groove is positioned on the axis of described porcelain piece, described wire pressing plate is positioned on the surface of the second groove both sides and is respectively arranged with the first fixing hole and the second fixing hole, described the first fixing hole and described the first bolt coupling, described the second fixing hole and described the second bolt coupling, and described the first fixing hole is identical to the distance of the central point of described the first groove with described the first fixed lever to the distance of the central point of described the second groove, described the second fixing hole is identical to the distance of the central point of described the first groove with described the second fixed lever to the distance of the central point of described the second groove.
Preferably, described the first fixed lever and described the second fixed lever are welded on the upper surface of described upper cap.
Preferably, described the second fixed lever is welded on the upper surface of described upper cap;
The outer surface of described the first fixed lever has screw thread, and has the hole with the outer surface of described the first fixed lever coupling on described upper cap;
Described column type porcelain insulator also comprises the 3rd nut with the screw thread coupling of the outer surface of described the first fixed lever.
Preferably, also comprise pad, described pad sticks on the lower surface of described the 3rd nut.
Preferably, also comprise the elastomeric element be applied on described the first fixed lever.
Preferably, described elastomeric element is stage clip.
Preferably, be installed with packing ring on described the first bolt and described the second bolt.
Preferably, also be provided with the second groove on the surface relative with the surface that is provided with the second groove in described wire pressing plate.
Compared with prior art, the application comprises following advantage:
When the column type porcelain insulator that uses the application to provide fixedly during aluminium steel conductor, at first aluminium steel conductor first is placed in the first groove, again the first nut is through on the first bolt, the second nut is through on the second bolt, and the first bolt and the second bolt that are installed with nut are screwed on the first fixed lever and the second fixed lever through the first fixing hole and the second fixing hole respectively.
Because the first groove is identical with the second groove, the central point of the central point of the first groove and the second groove is positioned on the axis of described porcelain piece, the first fixing hole is identical to the distance of the central point of the first groove with the first fixed lever to the distance of the central point of the second groove, the second fixing hole is identical to the distance of the central point of the first groove with the second fixed lever to the distance of the central point of the second groove, so when the first bolt that is installed with nut and the second bolt are screwed on the first fixed lever and the second fixed lever through the first fixing hole and the second fixing hole respectively, the first groove and the alignment of the second groove, aluminium steel conductor is fixed by the groove of the first groove and the formation of the second groove, with existing colligation mode, compare, the column type porcelain insulator that the application provides fixedly aluminium steel conductor mode has reduced under micro-effect of vibration the wearing and tearing to aluminium steel conductor, thereby reduce the probability that aluminium steel conductor rubs, reduce the power-off fault rate.
The column type porcelain insulator that simultaneously the application provides the fixedly mode of aluminium steel conductor is more firm than colligation mode, and then can prevent that aluminium steel conductor from dropping, and avoids jeopardizing personal security.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of a kind of column type porcelain insulator of providing of the application;
Fig. 2 is the another kind of structural representation of a kind of column type porcelain insulator of providing of the application;
Fig. 3 is another structural representation of a kind of column type porcelain insulator of providing of the application;
Fig. 4 is another structural representation of a kind of column type porcelain insulator of providing of the application;
Fig. 5 is another structural representation of a kind of column type porcelain insulator of providing of the application.
Embodiment
At first a kind of column type porcelain insulator the embodiment of the present application provided describes, and this column type porcelain insulator can comprise: porcelain piece, wire pressing plate, the first bolt, the second bolt, with the first nut of the first bolt coupling, with the second nut, the first fixed lever of hollow and second fixed lever of hollow of the second bolt coupling;
Wherein, an end of porcelain piece is provided with the first groove, and an end that is provided with the first groove is perfused with cap, and upper cap does not cover the first groove;
The first fixed lever and the second fixed lever are fixed on the upper surface of cap, and lay respectively at a side of the first groove;
There is the screw thread mated with the first bolt on the inner surface of the first fixed lever, there is the screw thread with the second bolt coupling on the inner surface of the second fixed lever;
Be provided with second groove identical with the first groove on one surface of wire pressing plate, and the central point of the central point of the first groove and the second groove is positioned on the axis of porcelain piece, the wire pressing plate is positioned on the surface of the second groove both sides and is respectively arranged with the first fixing hole and the second fixing hole, the first fixing hole and the first bolt coupling, the second fixing hole and the second bolt coupling, and the first fixing hole is identical to the distance of the central point of the first groove with the first fixed lever to the distance of the central point of the second groove, the second fixing hole is identical to the distance of the central point of the first groove with the second fixed lever to the distance of the central point of the second groove.
When the column type porcelain insulator that uses the application to provide fixedly during aluminium steel conductor, at first aluminium steel conductor first is placed in the first groove, again the first nut is through on the first bolt, the second nut is through on the second bolt, and the first bolt and the second bolt that are installed with nut are screwed on the first fixed lever and the second fixed lever through the first fixing hole and the second fixing hole respectively.
Because the first groove is identical with the second groove, the central point of the central point of the first groove and the second groove is positioned on the axis of described porcelain piece, the first fixing hole is identical to the distance of the central point of the first groove with the first fixed lever to the distance of the central point of the second groove, the second fixing hole is identical to the distance of the central point of the first groove with the second fixed lever to the distance of the central point of the second groove, so when the first bolt that is installed with nut and the second bolt are screwed on the first fixed lever and the second fixed lever through the first fixing hole and the second fixing hole respectively, the first groove and the alignment of the second groove, aluminium steel conductor is fixed by the groove of the first groove and the formation of the second groove, with existing colligation mode, compare, the column type porcelain insulator that the application provides fixedly aluminium steel conductor mode has reduced under micro-effect of vibration the wearing and tearing to aluminium steel conductor, thereby reduce the probability that aluminium steel conductor rubs, reduce the power-off fault rate.
The column type porcelain insulator that simultaneously the application provides the fixedly mode of aluminium steel conductor is more firm than colligation mode, and then can prevent that aluminium steel conductor from dropping, and avoids jeopardizing personal security.
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the application's protection.
Refer to Fig. 1, the structural representation that it shows a kind of column type porcelain insulator that the embodiment of the present application provides can comprise: porcelain piece 1, wire pressing plate 2, the first bolt 3, the second bolt 4, with the first nut 5 of the first bolt 3 couplings, with the second nut 6, the first fixed lever 7 of hollow and second fixed lever 8 of hollow of the second bolt 4 couplings.
Wherein, an end of porcelain piece 1 is provided with the first groove 9, and an end that is provided with the first groove 9 is perfused with cap 10, and upper cap 10 does not cover the first groove 9.
In the present embodiment, upper cap 10 does not cover the first groove 9 and refers to that the first groove 9 is not all covered by upper cap 10.Because the longitudinal profile shape that has aluminium steel conductor now is circular, so the preferred semi-circular recesses of the first groove 9 in the present embodiment.Certainly, the first groove 9 also can be selected the groove of other structures, and as rectangular recess, the length of this rectangular recess is not less than the diameter of the longitudinal profile of aluminium steel conductor, to prevent aluminium steel conductor, can't be placed in the first groove 9.
Further, when the first groove 9 is rectangular recess, rock under micro-effect of vibration with the inner surface of the first groove 9 and produce friction in order to reduce aluminium steel conductor, the length of the preferred rectangular recess of the present embodiment equals the diameter of the longitudinal profile of aluminium steel conductor, and steel reinforced aluminium conductor and rectangular recess are fitted tightly.
The first fixed lever 7 and the second fixed lever 8 are fixed on the upper surface of cap 10, and the first fixed lever 7 and the second fixed lever 8 are fixed on a kind of feasible pattern of the upper surface of cap 10 and are in the present embodiment: the first fixed lever 7 and the second fixed lever 8 are welded on the upper surface of cap 10.Certainly, during cap 10, can on upper cap 10, design the first fixed lever 7 and the second fixed lever 8 in design, thereby on manufacturing during cap 10, make cap 10, the first fixed lever 7 and the second fixed lever 8 one-body molded, once produce the upper cap 10 that includes the first fixed lever 7 and the second fixed lever 8.
The first fixed lever 7 and the second fixed lever 8 lay respectively at a side of the first groove 9 in the present embodiment.As the first fixed lever 7 is positioned at the left side of the first groove 9, the second fixed lever 8 is positioned at the right side of the first groove 9.A fixed lever 7 can be positioned at the right side of the first groove 9 natch, and the second fixed lever 8 is positioned at the left side of the first groove 9.
There is the screw thread mated with the first bolt 3 on the inner surface of the first fixed lever 7, there is the screw thread with the second bolt 4 couplings on the inner surface of the second fixed lever 8.When use the first bolt 3 and the second bolt 4 by wire pressing plate 2 and upper cap 10 twist with to together with the time, the first bolt 3 is screwed in the first fixed lever 7, and the second bolt 4 is screwed in the second fixed lever 8.
Certainly, in the another kind of feasible pattern of the present embodiment: can there is the screw thread mated with the second bolt 4 on the inner surface of the first fixed lever 7, there is the screw thread with the first bolt 3 couplings on the inner surface of the second fixed lever 8.When use the first bolt 3 and the second bolt 4 by wire pressing plate 2 and upper cap 10 twist with to together with the time, the second bolt 4 is screwed in the first fixed lever 7, and the first bolt 3 is screwed in the second fixed lever 8.
Be provided with second groove 11 identical with the first groove 9 on one surface of wire pressing plate 2, and the central point of the central point of the first groove 9 and the second groove 11 is positioned on the axis of porcelain piece 1, wire pressing plate 2 is positioned on the surface of the second groove 11 both sides and is respectively arranged with the first fixing hole 12 and the second fixing hole 13, the first fixing hole 12 and the first bolt 3 couplings, the second fixing hole 13 and the second bolt 4 couplings, and the distance of the central point of the first fixing hole 12 to second grooves 11 is identical with the distance of the central point of the first fixed lever 7 to first grooves 9, the distance of the central point of the second fixing hole 13 to second grooves 11 is identical with the distance of the central point of the second fixed lever 8 to first grooves 9.
Wherein second groove 11 identical with the first groove 9 refers to: the shape of the second groove 11 is identical respectively at the first groove 9 with size.The first fixing hole 12 and the first bolt 3 coupling can be the screw threads had on the first fixing hole 12 inner surfaces with the external screw thread coupling of the first bolt 3, and the second fixing hole 13 and the second bolt 4 couplings can be the screw threads had on the second fixing hole 13 inner surfaces with the external screw thread coupling of the second bolt 4.
Certain the first fixing hole 12 and the first bolt 3 couplings can also be the diameters that the diameter of the first fixing hole 12 is greater than the outer surface of the first bolt 3, and be less than the diameter of the first nut 5 outer surfaces, a part that is installed with the first bolt 3 of the first nut 5 with assurance can be passed the first fixing hole 12, another part is positioned on the first fixing hole 12, as shown in Figure 1.The second fixing hole 13 and the second bolt 4 couplings can also be that the diameter of the second fixing hole 13 is greater than the diameter of the outer surface of the second bolt 4, and are less than the diameter of the second nut 6 outer surfaces.
When using the first bolt 3 to twist with wire pressing plate 2 and upper cap 10, at first the first nut 5 is screwed on the first bolt 3, and then first bolt 3 that will be screwed with the first nut 5 is screwed in the first fixed lever 7 through the first fixing hole 12, thus by an end of wire pressing plate 2 and upper cap 10 twist with to together with.
When same use the second bolt 4 is twisted with wire pressing plate 2 and upper cap 10, at first the second nut 6 is screwed on the second bolt 4, and then second bolt 4 that will be screwed with the second nut 6 is screwed in the second fixed lever 8 through the second fixing hole 13, thus by the other end of wire pressing plate 2 and upper cap 10 twist with to together with.
Because the distance of the central point of the first fixing hole 12 to second grooves 11 is identical with the distance of the central point of the first fixed lever 7 to first grooves 9, the distance of the central point of the second fixing hole 13 to second grooves 11 is identical with the distance of the central point of the second fixed lever 8 to first grooves 9, and the central point of the central point of the first groove 9 and the second groove 11 is positioned on the axis of porcelain piece 1, so the first bolt 3 and the second bolt 4 in the process of stubborn and wire pressing plate 2 and upper cap 10, can make the central point alignment of the first groove 9 and the second groove 11.
At the column type porcelain insulator that uses the present embodiment to provide fixedly during aluminium steel conductor, at first aluminium steel conductor first is placed in the first groove 9, again the first nut 5 is through on the first bolt 3, the second nut 6 is through on the second bolt 4, and the first bolt 3 that is installed with the first nut 5 is screwed in the first fixed lever 7 of cap 10 through the first fixing hole 12.And the second bolt 4 that is installed with the second nut 6 is screwed in the second fixed lever 8 of cap through the second fixing hole 13.
Because the distance of the central point of the first fixing hole 12 to second grooves 11 is identical with the distance of the central point of the first fixed lever 7 to first grooves 9, the distance of the central point of the second fixing hole 13 to second grooves 11 is identical with the distance of the central point of the second fixed lever 8 to first grooves 9, and the central point of the central point of the first groove 9 and the second groove 11 is positioned on the axis of porcelain piece 1, so when the first bolt 3 that is installed with nut and the second bolt 4 are screwed on the first fixed lever 7 and the second fixed lever 8 through the first fixing hole 12 and the second fixing hole 13 respectively, the first groove 9 and the second groove 11 alignment.And the first groove 9 is identical with the second groove 11, make aluminium steel conductor be fixed by the groove of the first groove 9 and the second groove 11 formation, with existing colligation mode, compare, the column type porcelain insulator that the application provides fixedly aluminium steel conductor mode has reduced under micro-effect of vibration the wearing and tearing to aluminium steel conductor, thereby reduce the probability that aluminium steel conductor rubs, reduce the power-off fault rate.
The column type porcelain insulator that simultaneously the application provides the fixedly mode of aluminium steel conductor is more firm than colligation mode, and then can prevent that aluminium steel conductor from dropping, and avoids jeopardizing personal security.
Further, the first groove 9 and the second groove 11 are semi-circular recesses, and when the radius of this semi-circular recesses is the radius of outer surface of aluminium steel conductor, the column type porcelain insulator that uses the present embodiment to provide is fixedly during aluminium steel conductor, the first groove 9 and the second groove 11 are combined into circular hole, the outer surface size of this circular hole and aluminium steel conductor is identical, thereby aluminium steel conductor can be completely fixed in circular hole, reduces the wearing and tearing of micro-effect of vibration to aluminium steel conductor.
Refer to Fig. 2, it take Fig. 1 as basis, show the structural representation of the another kind of column type porcelain insulator that the embodiment of the present application provides, show the another kind of feasible pattern that the first fixed lever 7 and the second fixed lever 8 in the column type porcelain insulator shown in Fig. 1 be fixed on cap 10 and can be: the second fixed lever 8 be welded on the upper surface of cap 10; The outer surface of the first fixed lever 7 has screw thread, and has the hole with the outer surface of the first fixed lever 7 coupling on upper cap 10; Column type porcelain insulator also comprises the 3rd nut 14 with the screw thread coupling of the outer surface of the first fixed lever 7, as shown in Figure 2.
Wherein with the hole of the outer surface of the first fixed lever 7 coupling, refer to that inner surface has the hole with the screw thread of the screw thread coupling of the outer surface of the first fixed lever 7.Certainly this coupling can also be that the diameter in the hole that has on upper cap 10 is greater than the diameter of the first fixed lever 7 outer surfaces, and is less than the diameter of the 3rd nut 14 outer surfaces.
When the first fixed lever 7 is screwed on upper cap 10 hole with its coupling, at the first fixed lever 7, through the 3rd nut 14 of screwing on the part in this hole, to avoid the first fixed lever 7, damage porcelain pieces 1.And, at the first bolt 3, twist and in the first fixed lever 7 time, the first fixed lever 7 likely twist and process in rotate, and then close to porcelain piece 1, so the 3rd nut 14 of screwing on the first fixed lever 7, can avoid the first fixed lever 7 in porcelain piece 1 approach process, damage porcelain piece 1.
Further, for fear of the first fixed lever 7 likely twist and process transfer trend porcelain piece 1 close, the hole had on upper cap 10 is preferably inner surface and has the hole with the screw thread of the screw thread coupling of the outer surface of the first fixed lever 7.
In column type porcelain insulator shown in above-mentioned, can also be pasted with pad 15 on the lower surface of the 3rd nut 14, lower surface and the porcelain piece 1 that further can prevent the 3rd nut 14 rub and damage porcelain piece 1, as shown in Figure 3, wherein Fig. 3 be take Fig. 2 as basis, another structural representation of a kind of column type porcelain insulator that the embodiment of the present application provides.
Also be penetrated with elastomeric element 16 on this external first fixed lever 7, while preventing that the first bolt 3 from twisting with wire pressing plate 2 and upper cap 10, wire pressing plate 2 and upper cap 10 bump, as shown in Figure 4, wherein Fig. 4 be take Fig. 3 as basis, another structural representation of a kind of column type porcelain insulator that the embodiment of the present application provides.This elastomeric element 16 can be stage clip in the present embodiment.
When using the first bolt 3 to twist and when wire pressing plate 2 and upper cap 10, by the first nut 5 through the first bolt 3 on after, elastomeric element 16, through on the first fixed lever 7, and then is screwed to the first bolt 3 in the first fixed lever 7 through the first fixing hole 11.Separate wire pressing plate 2 and upper cap 10 at stubborn and process Elastic parts 16, avoid two fixtures to bump against impaired.Also can be penetrated with elastomeric element 16 on certain the second fixed lever 8, this present embodiment is no longer set forth.
In the embodiment of above-mentioned all column type porcelain insulators, can also be installed with packing ring 17 on the first bolt 3 and the second bolt 4, as shown in Figure 5.Fig. 5 be take Fig. 1 as basis, show another structural representation of the column type porcelain insulator that the embodiment of the present application provides, its middle washer 17 is arranged on the junction of the first nut 5 and wire pressing plate 2, also be provided with packing ring 17 on the junction of the second nut 6 and wire pressing plate 2, to prevent the first nut 5 and the second nut 6 wearing and tearing wire pressing plates 2.
Also be provided with the second groove 11 at wire pressing plate 2 on the surface relative with the surface that is provided with the second groove 11, when fixing aluminium steel conductor, can use wire pressing plate 2 the second groove 11 of one side arbitrarily like this.But also should be noted that simultaneously a bit: the distance of the central point of the first fixed lever 7 to first grooves 9 equals the distance of the central point of the second fixed lever 8 to first grooves 9, the distance of the central point of the first fixing hole 12 to second grooves 11 equals the distance of the central point of the second fixing hole 13 to second grooves 11, the distance of the central point of the first fixing hole 12 to second grooves 11 is identical with the distance of the central point of the first fixed lever 7 to first grooves 9, to guarantee when the fixing aluminium steel conductor, the central point alignment of the first groove 9 and the second groove 11.
For aforesaid each product embodiments, for simple description, therefore it all is expressed as to a series of combination of devices, but those skilled in the art should know, the application is not subject to the restriction of described combination of devices, because according to the application, some device can adopt other existing devices.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related device might not be that the application is necessary.
It should be noted that, in this article, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operating space, and not necessarily requires or imply between these entities or operation the relation of any this reality or sequentially of existing.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the product that comprises a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this product.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within the product that comprises described key element and also have other identical element.
Above a kind of column type porcelain insulator that the application is provided is described in detail, applied specific case herein the application's principle and execution mode are set forth, the explanation of above embodiment is just for helping to understand the application's method and core concept thereof; Simultaneously, for one of ordinary skill in the art, the thought according to the application, all will change in specific embodiments and applications, and in sum, this description should not be construed as the restriction to the application.
Claims (8)
1. a column type porcelain insulator, it is characterized in that, comprise porcelain piece, wire pressing plate, the first bolt, the second bolt, with the first nut of described the first bolt coupling, with the second nut, the first fixed lever of hollow and second fixed lever of hollow of described the second bolt coupling;
Wherein, an end of described porcelain piece is provided with the first groove, and an end that is provided with described the first groove is perfused with cap, and described upper cap does not cover described the first groove;
Described the first fixed lever and described the second fixed lever are fixed on the upper surface of described upper cap, and lay respectively at a side of described the first groove;
There is the screw thread mated with described the first bolt on the inner surface of described the first fixed lever, there is the screw thread with described the second bolt coupling on the inner surface of described the second fixed lever;
Be provided with second groove identical with described the first groove on one surface of described wire pressing plate, and the central point of the central point of the first groove and the second groove is positioned on the axis of described porcelain piece, described wire pressing plate is positioned on the surface of the second groove both sides and is respectively arranged with the first fixing hole and the second fixing hole, described the first fixing hole and described the first bolt coupling, described the second fixing hole and described the second bolt coupling, and described the first fixing hole is identical to the distance of the central point of described the first groove with described the first fixed lever to the distance of the central point of described the second groove, described the second fixing hole is identical to the distance of the central point of described the first groove with described the second fixed lever to the distance of the central point of described the second groove.
2. column type porcelain insulator according to claim 1, is characterized in that, described the first fixed lever and described the second fixed lever are welded on the upper surface of described upper cap.
3. column type porcelain insulator according to claim 1, is characterized in that, described the second fixed lever is welded on the upper surface of described upper cap;
The outer surface of described the first fixed lever has screw thread, and has the hole with the outer surface of described the first fixed lever coupling on described upper cap;
Described column type porcelain insulator also comprises the 3rd nut with the screw thread coupling of the outer surface of described the first fixed lever.
4. column type porcelain insulator according to claim 3, is characterized in that, also comprises pad, and described pad sticks on the lower surface of described the 3rd nut.
5. according to the described column type porcelain insulator of claim 1 to 4 any one, it is characterized in that, also comprise the elastomeric element be applied on described the first fixed lever.
6. column type porcelain insulator according to claim 5, is characterized in that, described elastomeric element is stage clip.
7. column type porcelain insulator according to claim 5, is characterized in that, on described the first bolt and described the second bolt, is installed with packing ring.
8. column type porcelain insulator according to claim 7, is characterized in that, in described wire pressing plate, on the surface relative with the surface that is provided with the second groove, also is provided with the second groove.
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CN 201320456359 CN203366869U (en) | 2013-07-29 | 2013-07-29 | Column type porcelain insulator |
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CN 201320456359 CN203366869U (en) | 2013-07-29 | 2013-07-29 | Column type porcelain insulator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103390473A (en) * | 2013-07-29 | 2013-11-13 | 国家电网公司 | Column porcelain insulator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103390473A (en) * | 2013-07-29 | 2013-11-13 | 国家电网公司 | Column porcelain insulator |
CN103390473B (en) * | 2013-07-29 | 2016-08-24 | 国家电网公司 | A kind of column type porcelain insulator |
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Granted publication date: 20131225 Termination date: 20210729 |