CN203562251U - Insulator with safety cover, grounding wire clamp and lightning arrester - Google Patents
Insulator with safety cover, grounding wire clamp and lightning arrester Download PDFInfo
- Publication number
- CN203562251U CN203562251U CN201320670133.0U CN201320670133U CN203562251U CN 203562251 U CN203562251 U CN 203562251U CN 201320670133 U CN201320670133 U CN 201320670133U CN 203562251 U CN203562251 U CN 203562251U
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- China
- Prior art keywords
- insulator
- lower cover
- safety guard
- earthing clamp
- lightning arrester
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Abstract
The utility model relates to an insulator with a safety cover, a grounding wire clamp and a lightning arrester. The insulator is composed of an insulating rod and a plurality of waterproof disks connected to the insulating rod, wherein the bottom end of the insulating rod is provided with a metal screw and a fixing nut, the top end of the insulating rod is provided with an electric power line clamping plate, and the electric power line clamping plate at the top end of the insulator is externally provided with an insulating safety cover. The insulating rod of the insulator is provided with a center hole, and the center hole is internally provided with a lightning protection component. One side of the electric power line clamping plate is provided with a grounding wire clamp, and the grounding wire clamp stretches out of the side surface of the safety cover. The advantages are that the insulator is integrated with a lightning protection electric discharge device, thereby saving an additionally installed lightning arrester, simplifying the circuit structure, saving the investment, and reducing the maintenance difficulty of the circuit; a connecting part of the insulator and an electric power line are sealed in the insulating safety cover, thereby avoiding corrosion imposed on the connecting part by external rain and snow, and ensuring long-term safe running of an electric power circuit; and the probability of electric leakage of the exposed connecting part is also effectively eradicated.
Description
Technical field
The utility model relates to a kind of insulator with safety guard, earthing clamp and lightning arrester, for power transmission and transformation line fixed support power line on electric line pole and transformer etc., and has lightning-arrest function.
Background technology
Prior art, in order to eliminate the harm of thunder and lightning to power circuit and transformer, is generally installed lightning arrester in upstream or the downstream of transmitting transformer, and this has increased the difficulty of investment and line upkeep; In addition, the junction exposed (power line of tape insulation skin needs peeling in junction) between insulator and the power line using in circuit, sleet corrodes for a long time, very easily causes the corrosion of junction to damage; , there is potential safety hazard in also easily electric leakage of exposed junction in addition.
Summary of the invention
The utility model aims to provide a kind of insulator with safety guard, earthing clamp and lightning arrester, the special installation lightning arrester existing with solution prior art increases the difficulty of investment and line upkeep, and the exposed problem that causes potential safety hazard in the junction of the power line clamping plate of power line and insulator.
The technical solution of the utility model is: a kind of insulator with safety guard, earthing clamp and lightning arrester, with the insulator of safety guard, earthing clamp and lightning arrester, this insulator is comprised of insulating rod and the several water-proof plates that are connected on this insulating rod, in the bottom of insulating rod, be provided with metal screw and hold-down nut, on the top of insulating rod, be provided with power line clamping plate, the safety guard of an insulation is installed outward at the power line clamping plate on this insulator top; It is characterized in that, the insulating rod of this insulator is provided with centre bore, and lightning-arrest element is housed in this centre bore; A side at power line clamping plate is provided with earthing clamp, and this earthing clamp stretches out the side of safety guard.
The utility model has the advantages that: integrated lightning-arrest electric discharge device on insulator, save other installation lightning arrester, simplified line construction, saved investment, reduced the maintenance difficulties of circuit; The junction of insulator and power line is enclosed in the safety guard of an insulation, has avoided extraneous sleet to corrode for a long time junction, has guaranteed the operation of power circuit long-term safety; Also effectively stopped the possibility of exposed junction electric leakage.
Accompanying drawing explanation
Fig. 1 is general assembly structural front view of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the front view of insulator of the present utility model (containing lightning-arrest element);
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the vertical view of Fig. 3;
Fig. 6 is the general structure schematic diagram of the utility model safety guard;
Fig. 7 is a left side (right side) view of Fig. 6;
Fig. 8 is the front view of the utility model safety guard upper cover;
Fig. 9 is a left side (right side) view of Fig. 8;
Figure 10 is the upward view of Fig. 8;
Figure 11 is the front view of lower cover half portion of the utility model safety guard;
Figure 12 is the left view of Figure 11;
Figure 13 is the rearview of Figure 11;
Figure 14 is the vertical view (combination of two lower cover half) of Figure 12.
Embodiment
Referring to Fig. 1～Figure 14, a kind of insulator with safety guard, earthing clamp and lightning arrester of the utility model, this insulator 8 is comprised of insulating rod 81 and the several water-proof plates 82 that are connected on this insulating rod, in the bottom of insulating rod, be provided with metal screw and hold-down nut 9, top and bottom at insulating rod are respectively provided with metallic object 88 and 89, on the metallic object 88 on top, be provided with power line clamping plate P, the safety guard B of an insulation is installed outward at the power line clamping plate P on these insulator 8 tops.It is characterized in that, the insulating rod 81 of this insulator 8 is provided with centre bore (becoming tubulose), and lightning-arrest element is housed in this centre bore.A side at power line clamping plate P is provided with earthing clamp 7, and this earthing clamp 7 stretches out the side of safety guard B.
Described lightning-arrest element comprises the lightning-arrest sheet 84 (lightning arrester zinc oxide resistance sheet can be buied) of several series connection closed assemblies.According to requirement of withstand voltage, select the number of lightning-arrest sheet 84.Withstand voltage in order to increase, the insulated tube 87 of can connecting with described lightning-arrest sheet 84, this insulated tube 87 is located between lightning-arrest sheet 84 and the bottom of insulating rod, between the top of this insulated tube 87 and lightning-arrest sheet 84, is provided with the sheet 85 that discharges, and this electric discharge Pian85 center is provided with downward spur.Between described insulated tube 87 and electric discharge sheet 85, be provided with spring 90.
Described isolation safety cover B by upper cover 1 and lower cover 2 up and down relative fastening form, this lower cover 2 is relatively fastened and forms by two identical lower cover half left and right; The main body of this upper cover 1 is box-like structure, at the two ends, left and right of the main body of this upper cover 1, is provided with upper cover half slot 16, at front side or the rear side of the main body of upper cover, is provided with the gap 12 for the linking arm 71 of the earthing clamp through described; The front and back both sides following in the main body of this upper cover 1 are provided with top cap edge fit 13, on this top cap edge fit 13, are provided with upper cover installing hole 19.
This lower cover 2 of two lower covers, half composition be shaped as small end rectangular pyramid down, in the lower end of lower cover 2 central authorities, be provided with insulating rod through hole 28; Two ends, left and right in the upper end of lower cover 2 are provided with the lower cover half slot 26 corresponding with described upper cover half slot 16, and this upper cover half slot 16 formation relative to lower cover half slot 26 power line is through a mouthful K.Both sides, front and back in the upper end of lower cover 2 are provided with the lower cover fillet 23 corresponding with described top cap edge fit 13, are provided with the lower cover installing hole 29 corresponding with described upper cover installing hole 19 on this lower cover fillet 23.
At the root of described upper cover half slot 16 and lower cover half slot 16, be equipped with the columnar semi-cylindrical shaped protuberance 14 and 24 of mutual corresponding composition, the outer radius of this semi-cylindrical shaped protuberance is slightly larger than the outer radius of power line through mouthful K; On the top of described upper cover half slot 16 and lower cover half slot 26, be respectively provided with footpath outward flange 17 and 27, on this footpath outward flange, be set with sealing shroud 10, the bottom of sealing cover 10 is enclosed within on this footpath outward flange 17 and 27.Described sealing shroud 10 is comprised of several grades of undergauge round platforms, by rubber, made,
At the butt joint edge of the semicircle cylindricality protuberance 14 and 24 of described upper cover 1 and lower cover 2, be provided with the guide rail 15 and the guide groove 25 that are mutually slidably matched and peg graft, the position of the two can be exchanged.
Interface between half portion of the lower cover 2 described in two is provided with identical step mutually, to improve sealing (not shown).
Described power line clamping plate P comprises base plate 5, top board 3 and clamping plate bolt 4, and the bottom surface of base plate 5 is connected with the top of the metallic object 88 on described insulating rod 81 tops; Top board 3 be located at base plate 5 above, the middle part between top board 3 and base plate 5 is provided with arc groove 6, top board 3 and base plate 5 four jiaos respectively mutually fastening by a clamping plate bolt 4.Described earthing clamp 7 is comprised of the ground loop 72 of linking arm 71 and rectangle, in one end of this top board 3, by linking arm 11, is connected with ground loop 72
Described safety guard B adopts transparent or opaque plastics injection moulding to make.
Claims (10)
1. the insulator with safety guard, earthing clamp and lightning arrester, with the insulator of safety guard, earthing clamp and lightning arrester, this insulator is comprised of insulating rod and the several water-proof plates that are connected on this insulating rod, in the bottom of insulating rod, be provided with metal screw and hold-down nut, on the top of insulating rod, be provided with power line clamping plate, the safety guard of an insulation is installed outward at the power line clamping plate on this insulator top; It is characterized in that, the insulating rod of this insulator is provided with centre bore, and lightning-arrest element is housed in this centre bore; A side at power line clamping plate is provided with earthing clamp, and this earthing clamp stretches out the side of safety guard.
2. the insulator with safety guard, earthing clamp and lightning arrester according to claim 1, is characterized in that, described lightning-arrest element comprises the lightning-arrest sheet of several series connection closed assemblies.
3. the insulator with safety guard, earthing clamp and lightning arrester according to claim 2, it is characterized in that, also comprise the insulated tube of connecting with described lightning-arrest sheet, this insulated tube is located between lightning-arrest sheet and the bottom of insulating rod, between the top of this insulated tube and lightning-arrest sheet, be provided with electric discharge sheet, this electric discharge Pian center is provided with downward spur; Between described insulated tube and electric discharge sheet, be provided with spring.
4. the insulator with safety guard, earthing clamp and lightning arrester according to claim 1, is characterized in that, described isolation safety cover by upper cover and lower cover up and down relative fastening form, this lower cover is relatively fastened and forms by two identical lower cover half left and right; The main body on this top is box-like structure, at front side or the rear side of the main body on top, is provided with the gap for the earthing clamp through described; Two ends, left and right on this top are equipped with top half slot; Both sides, front and back in the main body lower end on this top are respectively provided with top fillet, on this top fillet, are provided with top installing hole;
This lower cover of two lower covers, half composition be shaped as small end rectangular pyramid down, in the lower end of lower cover central authorities, be provided with insulating rod through hole; Two ends, left and right in the upper end of lower cover are provided with the lower cover half slot corresponding with described upper cover half slot, this upper cover half slot is relative with lower cover half slot forms power line through mouthful; Both sides, front and back in the upper end of lower cover are provided with the lower cover fillet corresponding with described top cap edge fit, are provided with the lower cover installing hole corresponding with described upper cover installing hole on this lower cover fillet.
5. the insulator with safety guard, earthing clamp and lightning arrester according to claim 4, it is characterized in that, at the root of described upper cover half slot and lower cover half slot, be equipped with the columnar semi-cylindrical shaped protuberance of mutual corresponding composition, the outer radius of this semi-cylindrical shaped protuberance is slightly larger than the outer radius of power line through mouth; Top at described upper cover half slot and lower cover half slot is provided with footpath outward flange, on this footpath outward flange, is set with sealing shroud, and the bottom of sealing cover is enclosed within on this footpath outward flange.
6. the insulator with safety guard, earthing clamp and lightning arrester according to claim 5, is characterized in that, is provided with the guide rail and the guide groove that are mutually slidably matched and peg graft at the butt joint edge of the semicircle cylindricality protuberance of described upper cover and lower cover.
7. the insulator with safety guard, earthing clamp and lightning arrester according to claim 5, is characterized in that, described sealing shroud is comprised of several grades of undergauge round platforms, and sealing cover is made by rubber.
8. the insulator with safety guard, earthing clamp and lightning arrester according to claim 4, is characterized in that, the interface between lower cover half portion described in two is provided with identical step mutually.
9. the insulator with safety guard, earthing clamp and lightning arrester according to claim 1, is characterized in that, described power line clamping plate comprise base plate, top board and clamping plate bolt, and the bottom surface of base plate is connected with the top of described insulating rod; Top board be located at base plate above, the middle part between top board and base plate is provided with arc groove, top board and base plate four jiaos respectively mutually fastening by a clamping plate bolt; This earthing clamp is comprised of linking arm and ground loop, in one end of this top board, by linking arm, is connected with ground loop.
10. the insulator with safety guard, earthing clamp and lightning arrester according to claim 1, is characterized in that, described safety guard adopts transparent or opaque plastics to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670133.0U CN203562251U (en) | 2013-10-29 | 2013-10-29 | Insulator with safety cover, grounding wire clamp and lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670133.0U CN203562251U (en) | 2013-10-29 | 2013-10-29 | Insulator with safety cover, grounding wire clamp and lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203562251U true CN203562251U (en) | 2014-04-23 |
Family
ID=50511955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320670133.0U Expired - Fee Related CN203562251U (en) | 2013-10-29 | 2013-10-29 | Insulator with safety cover, grounding wire clamp and lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203562251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319499A (en) * | 2014-10-28 | 2015-01-28 | 无锡四方友信股份有限公司 | Heating conducting rod assembly |
| CN113451797A (en) * | 2021-08-02 | 2021-09-28 | 芜湖市凯鑫避雷器有限责任公司 | Arrester grounding device with anti-loosening structure |
-
2013
- 2013-10-29 CN CN201320670133.0U patent/CN203562251U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319499A (en) * | 2014-10-28 | 2015-01-28 | 无锡四方友信股份有限公司 | Heating conducting rod assembly |
| CN104319499B (en) * | 2014-10-28 | 2018-08-14 | 无锡四方集团真空炉业有限公司 | A kind of heating electric conduction rod component |
| CN113451797A (en) * | 2021-08-02 | 2021-09-28 | 芜湖市凯鑫避雷器有限责任公司 | Arrester grounding device with anti-loosening structure |
| CN113451797B (en) * | 2021-08-02 | 2024-03-15 | 芜湖市凯鑫避雷器有限责任公司 | Lightning arrester grounding device with anti-loosening structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20161029 |