CN211125204U - Novel fault indication structure for lightning protection insulator - Google Patents
Novel fault indication structure for lightning protection insulator Download PDFInfo
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- CN211125204U CN211125204U CN201922235610.0U CN201922235610U CN211125204U CN 211125204 U CN211125204 U CN 211125204U CN 201922235610 U CN201922235610 U CN 201922235610U CN 211125204 U CN211125204 U CN 211125204U
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- windmill
- lightning protection
- fault indication
- indication structure
- protection insulator
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- 239000012212 insulator Substances 0.000 title claims abstract description 45
- 230000000694 effects Effects 0.000 abstract description 6
- 208000003464 asthenopia Diseases 0.000 abstract description 3
- 101100537937 Caenorhabditis elegans arc-1 gene Proteins 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel fault indication structure for a lightning protection insulator, wherein the lightning protection insulator comprises an insulator body, two symmetrical pressure release holes are arranged between two adjacent umbrella skirts in the insulator body, and a fixing ring is fixedly sleeved at the pressure release holes; the outer side of the fixing ring is provided with at least one windmill, and the surface of only one fan blade in the adjacent fan blades of the windmill is fixed with a reflective layer. The advantages are that: through the fault indication structure of windmill type, whether the warning that can be dynamic is out of order or not avoids visual fatigue or apart from far away, observes unclear problem. Because the light reflecting strips are arranged on the fan blades of the windmill, when lightning strikes, the fault indicating ring is broken by internal pressure, and after the fault indicating ring falls off, whether a fault point exists or not is judged by whether a dynamic light reflecting effect exists or not, namely, no dynamic light reflecting effect exists, the product is indicated to be struck by lightning, the product is punctured, the product needs to be replaced, and otherwise, the normal state is indicated.
Description
Technical Field
The utility model relates to a novel fault indication structure for lightning protection insulator belongs to the electric power tech field.
Background
In transmission of power transmission lines, lightning phenomena often occur in thunderstorm days, and the damage of lightning to power transmission is large, so that insulators need to be additionally arranged in the power transmission lines. In the prior art, in order to conveniently observe whether the insulator is damaged or not, a pressure release hole is formed in the insulator, so that when the internal flashover fault of the lightning protection insulator occurs due to multiple lightning strikes and direct lightning strikes, internal gas is heated, the pressure is increased, and the internal pressure is quickly released, so that the situations of opening a hardware fitting and exploding an epoxy cylinder are prevented, and an insulated wire is protected from being damaged; in order to conveniently observe the failed lightning protection insulator, a fault indicating ring is additionally arranged at the position of the pressure release hole, the fault indicating ring comprises an inner side reflective strip and an outer side fault indicating mark, and after the insulator is damaged by lightning, the inner side reflective strip can be exposed, so that operation and maintenance personnel can conveniently find the failed lightning protection insulator to replace the failed lightning protection insulator when checking a circuit.
However, fault indication marks in the prior art are static, and because a maintainer needs to observe more insulators when overhauling a line, visual fatigue can cause that some insulators with faults are ignored unintentionally; and because the insulator is far away from the ground, the static fault indication mark is easy to omit, thereby leading to that the insulator can not be replaced in time and having the hidden trouble of power utilization.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a novel fault indication structure for lightning protection insulator.
In order to solve the technical problem, the utility model provides a novel fault indication structure for a lightning protection insulator, wherein the lightning protection insulator comprises an insulator body, two symmetrical pressure release holes are arranged between two adjacent umbrella skirts in the insulator body, and a fixing ring is fixedly sleeved at the pressure release holes; the outer side of the fixing ring is provided with at least one windmill, and the surface of only one fan blade in the adjacent fan blades of the windmill is fixed with a reflective layer.
Furthermore, the fixing ring comprises four same arcs, in order to ensure that the arcs can be opened when pressure is released, the four arcs are fixed between adjacent sheds in an end-to-end connection mode in a clamping connection mode, and the centers of the two arcs are respectively tightly attached to the pressure release holes.
Furthermore, the two ends of the circular arc are respectively provided with a buckle and a clamping groove, and the head and the tail of the two circular arcs are fixedly connected through the buckle and the clamping groove.
Furthermore, in order to guarantee that fault observation can be carried out at any angle and the dynamic effect of fault indication is improved, and the fan is protected, a support frame is arranged on the circular arc, a fixed shaft is arranged in the middle of the support frame, one end of the fixed shaft is connected with the middle of the support frame, the other end of the fixed shaft is connected with the outer side face of the circular arc, the windmill is movably sleeved on the fixed shaft, and the windmill can freely rotate and move along the fixed shaft.
Furthermore, in order to limit the moving distance and the back-and-forth impact force of the windmill on the fixed shaft and avoid the damage caused by the collision of the windmill on the fixed shaft due to the fact that the windmill is blown by strong wind and the windmill moves on the fixed shaft too fast, the fixed shaft is also sleeved with two springs, one end of one spring is fixedly connected with the middle part of the support frame, and the other end of the spring is a free end (the section is not fixed); one end of the other spring is fixedly connected with the outer side surface of the arc, and the other end of the other spring is also a free end; a gap is arranged between the free ends of the two springs.
Furthermore, the middle part of the windmill is provided with a sleeve, a circle of the outer side of the sleeve is provided with a plurality of fan blades, the length of the sleeve is smaller than that of the gap, and the sleeve is movably sleeved at the gap.
Further, to avoid the spring from drilling into the casing, the outer diameter of the spring is larger than the inner diameter of the casing and smaller than the outer diameter of the casing.
The utility model discloses the beneficial effect who reaches:
the utility model discloses a lightning protection insulator through the fault indication structure of windmill type, whether the warning that can be dynamic is out of order, avoids visual fatigue or apart from far away, observes unclear problem. Because the light reflecting strips are arranged on the fan blades of the windmill, when lightning strikes, the fault indicating ring is broken by internal pressure, and after the fault indicating ring falls off, whether a fault point exists or not is judged by whether a dynamic light reflecting effect exists or not, namely, no dynamic light reflecting effect exists, the product is indicated to be struck by lightning, the product is punctured and needs to be replaced, and otherwise, the normal operation of the product is indicated.
Drawings
Fig. 1 is a schematic view of the arc structure of the present invention;
fig. 2 is a schematic view of the structure of the windmill of the present invention;
fig. 3 is a schematic diagram of the position structure of the windmill and the spring of the invention;
fig. 4 is a schematic view of the position of the pressure relief hole of the insulator body.
In the figure, 1 is an arc, 2 is a windmill, 3 is a support frame, 4 is a fixed shaft, 5 is a buckle, 6 is a clamping groove, 7 is a fan blade, 8 is a reflective layer, 9 is a sleeve, 10 is a spring, 11 is an insulator body, and 12 is a pressure release hole.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, 2, 3 and 4, a novel fault indication structure for a lightning protection insulator includes an insulator body 11, two symmetrical pressure release holes 12 are provided between two adjacent sheds in the insulator body 11, and fixing rings are fixedly sleeved at the pressure release holes 12; the outer side of the fixing ring is provided with at least one windmill 2, and the surface of only one of the adjacent fan blades 7 of the windmill 2 is fixed with a reflective layer 8.
In this embodiment, the fixing ring includes four identical arcs 1, and in order to ensure that the arcs 1 can be opened when releasing pressure, the four arcs 1 are fixed between adjacent sheds end to end in a snap connection manner, wherein the centers of the two arcs 1 are respectively tightly attached to the pressure release holes 12.
In this embodiment, the both ends of circular arc 1 are equipped with a buckle 5 and draw-in groove 6 respectively, carry out fixed connection through buckle 5 and draw-in groove 6 with two circular arcs 1 end to end both ends.
In this embodiment, in order to ensure that fault observation can be performed at any angle, improve the dynamic effect of fault indication, and protect the fan, the arc 1 is provided with the support frame 3, the middle of the support frame 3 is provided with the fixing shaft 4, one end of the fixing shaft 4 is connected with the middle of the support frame 3, the other end of the fixing shaft is connected with the outer side surface of the arc 1, the fixing shaft 4 is movably sleeved with the windmill 2, and the windmill 2 can freely rotate and move along the fixing shaft 4.
In this embodiment, in order to limit the moving distance and the back-and-forth impact force of the windmill on the fixed shaft 4 and avoid that the windmill 2 blown by strong wind moves too fast on the fixed shaft 4 and collides with the support frame 3 or the arc 1 to be damaged, the fixed shaft 4 is further sleeved with two springs 10, one end of one spring is fixedly connected with the middle part of the support frame 3, and the other end of the spring is a free end (the section is not fixed); one end of the other spring is fixedly connected with the outer side surface of the circular arc 1, and the other end of the other spring is also a free end; a gap is arranged between the free ends of the two springs.
In this embodiment, the middle of the windmill 2 is a sleeve 9, four blades 7 are arranged on the outer side of the sleeve 9 in a circle, the length of the sleeve 9 is smaller than that of the gap, and the sleeve 9 is movably sleeved at the gap.
In this embodiment, in order to prevent the spring 10 from drilling into the sleeve 9, the outer diameter of the spring 10 is larger than the inner diameter of the sleeve 9 and smaller than the outer diameter of the sleeve 9.
The working principle is as follows: an installer respectively fixes the four arcs 1 on the lightning protection insulator through the clamping pieces 5 and the clamping grooves 6, and the centers of the two arcs 1 are aligned to the pressure release holes 12 for the impact force to be balanced and effective; when the lightning stroke exceeds the limit of the insulator, the pressure is released through the pressure release hole 12, and the arc is punched; after the lightning protection insulator is flushed, the dynamic light-reflecting windmill which can be observed conveniently falls off, and the light-reflecting windmill on the lightning protection insulator cannot be observed, so that the damage of the insulator at the position is indicated, and the insulator needs to be replaced in time.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. A novel fault indication structure for a lightning protection insulator comprises an insulator body, wherein two symmetrical pressure release holes are formed between two adjacent umbrella skirts in the insulator body, and the novel fault indication structure is characterized in that a fixing ring is fixedly sleeved at each pressure release hole; the outer side of the fixing ring is provided with at least one windmill, and the surface of only one fan blade in the adjacent fan blades of the windmill is fixed with a reflective layer.
2. The novel fault indication structure for the lightning protection insulator according to claim 1, wherein the fixing ring comprises four identical circular arcs, the four circular arcs are fixed between adjacent sheds end to end in a snap-fit connection manner, and the centers of the two circular arcs are respectively tightly attached to the pressure release holes.
3. The novel fault indication structure for the lightning protection insulator according to claim 2, wherein two ends of the arc are respectively provided with a buckle and a slot, and the head and the tail of the two arcs are fixedly connected through the buckle and the slot.
4. The new fault indication structure for lightning protection insulator according to claim 2, wherein a support frame is disposed on the arc, a fixed shaft is disposed in the middle of the support frame, one end of the fixed shaft is connected to the middle of the support frame, the other end of the fixed shaft is connected to the outer side of the arc, the windmill is movably sleeved on the fixed shaft, and the windmill can freely rotate and move along the fixed shaft.
5. The novel fault indication structure for the lightning protection insulator according to claim 4, wherein the fixed shaft is further sleeved with two springs, one end of one spring is fixedly connected with the middle part of the support frame, and the other end of the spring is a free end; one end of the other spring is fixedly connected with the outer side surface of the arc, and the other end of the other spring is also a free end; a gap is arranged between the free ends of the two springs.
6. The novel fault indication structure for the lightning protection insulator according to claim 5, wherein the middle of the windmill is a sleeve, a circle of the outer side of the sleeve is provided with a plurality of blades, the length of the sleeve is smaller than that of the gap, and the sleeve is movably sleeved at the gap.
7. The novel fault indicating structure for a lightning protection insulator according to claim 6, wherein the outer diameter of the spring is larger than the inner diameter of the bushing and smaller than the outer diameter of the bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922235610.0U CN211125204U (en) | 2019-12-13 | 2019-12-13 | Novel fault indication structure for lightning protection insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922235610.0U CN211125204U (en) | 2019-12-13 | 2019-12-13 | Novel fault indication structure for lightning protection insulator |
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| Publication Number | Publication Date |
|---|---|
| CN211125204U true CN211125204U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922235610.0U Expired - Fee Related CN211125204U (en) | 2019-12-13 | 2019-12-13 | Novel fault indication structure for lightning protection insulator |
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| CN (1) | CN211125204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035002A (en) * | 2021-11-11 | 2022-02-11 | 国网河南省电力公司商丘供电公司 | High tension transmission line insulator safety inspection device |
-
2019
- 2019-12-13 CN CN201922235610.0U patent/CN211125204U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035002A (en) * | 2021-11-11 | 2022-02-11 | 国网河南省电力公司商丘供电公司 | High tension transmission line insulator safety inspection device |
| CN114035002B (en) * | 2021-11-11 | 2024-04-16 | 国网河南省电力公司商丘供电公司 | High tension transmission line insulator safety detection device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |