CN105139974A - Lightning protection insulator - Google Patents

Lightning protection insulator Download PDF

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Publication number
CN105139974A
CN105139974A CN201510537258.XA CN201510537258A CN105139974A CN 105139974 A CN105139974 A CN 105139974A CN 201510537258 A CN201510537258 A CN 201510537258A CN 105139974 A CN105139974 A CN 105139974A
Authority
CN
China
Prior art keywords
insulator
briquetting
mobile
seat
thunder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510537258.XA
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Chinese (zh)
Inventor
陈波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Kaixin Lightning Arrester Co Ltd
Original Assignee
Wuhu Kaixin Lightning Arrester Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Kaixin Lightning Arrester Co Ltd filed Critical Wuhu Kaixin Lightning Arrester Co Ltd
Priority to CN201510537258.XA priority Critical patent/CN105139974A/en
Publication of CN105139974A publication Critical patent/CN105139974A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a lightning protection insulator, aiming to avoid lightning-caused break and to overcome the problems that a present lightning protection insulator is easy to accumulate water, and to damage leads. The lightning protection insulator comprises an insulator body, a line clamping piece arranged at the top end of the insulator body, a cross-arm arranged under the insulator body, and an arc ignition rod arranged on the line clamping piece. The cross-arm is fixed on an electric pole; the side surface at the lower end of the insulator body is provided with an arc extinguishing head; the outside of the insulator body is provided with an insulating layer for insulation; the line clamping piece is clamped on an insulating lead, and comprises a pressure block seat and a mobile pressure block; the pressure block seat and the upper end of the insulator body are in fixed connection; the mobile pressure block is arranged above the pressure block seat; the lower surface of the mobile pressure block is provided with ratchets; the upper surface of the pressure block seat is provided with grooves. The lightning protection insulator can effectively avoid lightning-caused break, is difficult to accumulate water or damage lead, is safe and convenient, and has high installation efficiency.

Description

A kind of anti-thunder insulator
Technical field
The invention belongs to high voltage protective field, relate to a kind of insulator, particularly relate to a kind of anti-thunder insulator.
Background technology
Electric power system extensive use aerial insulated wire, the lightning-caused breaking problem of aerial insulated wire is in rising trend year by year, annoying the safe operation of electric power network, in existing overhead power line, the common pedestal post insulator of general use is as the supporting role device of wire, but there is following shortcoming due to its structural limitations in common pedestal post insulator: 1, only plays support wire effect, there is no lightning protection function, zinc oxide arrester must be installed additional support the use; Also need the insulating barrier divesting insulated cable when 2, installing lightning arrester additional, cause rainwater to divest an infiltration along insulating barrier, the plain conductor of etching insulative cable; 3, construction and installation are complicated, need stripping of insulatin layer, cause core water inlet and corrosion etc.
Existing enterprise is also proposed anti-thunder insulator, but the bearing of existing anti-thunder insulator and cable is two-sided is up and down provided with hangnail, is very easy to the conductive layer of injury cable under the effect of extruding force; Two-sidedly up and down all be provided with hangnail, bottom hangnail can cause the ponding of bottom to be easy to enter cable inside, easily line fault and accident occurs.
Summary of the invention
According to above the deficiencies in the prior art; technical problem to be solved by this invention proposes a kind of anti-thunder insulator; by anti-thunder insulator discharge process protection circuit; prevent the phenomenon of lightning-caused breaking; and the bearing of anti-thunder insulator and cable only moves briquetting and is provided with hangnail in top; not easily ponding and injury wire, has safe, convenient and that installation effectiveness is high advantage.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of anti-thunder insulator, described anti-thunder insulator comprises insulator body, the clamp piece on insulator body top is set, the starting rod being arranged on the cross-arm below insulator body and being arranged on clamp piece, described cross-arm is fixing on utility poles, insulator body lower end side is provided with extinguishing arc head, the insulating barrier of insulating effect has been provided with outside described insulator body, described clamp piece is fastened on insulated conductor, clamp piece comprises briquetting seat and mobile briquetting, briquetting seat is fixedly connected with the upper end of insulator body, mobile briquetting is arranged on above briquetting seat, the lower surface of mobile briquetting is provided with ratchet, the upper surface of briquetting seat is provided with groove.
Described insulating barrier is compounded rubber, and compounded rubber is provided with disk like projection.The two ends of described mobile briquetting are provided with the identical through hole of two diameters and the axis of through hole is parallel to each other, and the axes normal of through hole is in the lower surface of mobile briquetting.The two ends of described briquetting seat are provided with the identical stud of two diameters and the axis of stud is parallel to each other, the axes normal of stud is in the upper surface of briquetting seat, and the diameter of stud equals the diameter of through hole on mobile briquetting and the distance between two stud axis equals on mobile briquetting between two through-bore axis distance.Described briquetting seat and mobile briquetting are fastened on insulated conductor, the middle part of mobile briquetting lower surface is the arc-shaped of indent, the middle part of briquetting seat upper surface is the arc-shaped of indent, mobile briquetting lower surface circular arc is provided with the ratchet penetrating insulated conductor insulating barrier, and the circular arc of the upper surface indent of briquetting seat is provided with the groove of some drainings.Mutual conduct between described groove and the spacing of adjacent grooves is equal, the length of described ratchet is greater than the thickness of insulated conductor insulating barrier.The side of described briquetting seat is fixed with starting rod, and the lower end side of insulator body is provided with the extinguishing arc head exposed, and the free end end of described starting rod is pointed to extinguishing arc head but do not contact.The outer surface of described starting rod has been provided with the rubber of insulating effect, only has free end end in atmosphere exposed.Described insulator body is two parts be fixedly connected with of connecting up and down, and the first half length is shorter, and outside does not arrange compounded rubber, and the latter half length is longer, and outer setting has compounded rubber, can be rotated about axis between two parts of connecting up and down.The position that described insulated conductor contacts with clamp piece is provided with insulating shield, described package clip line piece and the one section of insulated conductor contacted with clamp piece.
Beneficial effect of the present invention is: a kind of anti-thunder insulator; by anti-thunder insulator discharge process protection circuit; prevent the phenomenon of lightning-caused breaking; and the bearing of anti-thunder insulator and cable only moves briquetting and is provided with hangnail in top; not easily ponding and injury wire, has safe, convenient and that installation effectiveness is high advantage.
Accompanying drawing explanation
Below the content expressed by this Figure of description and the mark in figure are briefly described:
Fig. 1 is the structural representation of lightning protection strut composite insulator of the present invention;
In FIG, 1, insulating shield; 2, insulated conductor; 3, mobile briquetting; 4, starting rod; 5, cross-arm; 6, insulator body; 7, briquetting seat.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
As shown in Figure 1, a kind of anti-thunder insulator, comprise insulator body 6, arrange the clamp piece on insulator body 6 top, be arranged on cross-arm 5, insulating shield 1 and starting rod 4 below insulator body 6, described cross-arm 5 is arranged on utility poles.In order to prevent insulator body 6 from discharging, be provided with the compounded rubber of insulating effect outside described insulator body 6, compounded rubber is provided with disk like projection.Described cross-arm 5 is fixed by bolt and nut with the lower end of insulator body 6.Described clamp piece is fixedly connected with the upper end of insulator body 6, and described clamp piece comprises briquetting seat 7 and mobile briquetting 3, and briquetting seat 7 is fixedly connected with the upper end of insulator body 6, and mobile briquetting 3 is arranged on above briquetting seat 7.In order to fixing mobile briquetting 3 and briquetting seat 7, the two ends of mobile briquetting 3 are provided with the identical through hole of two diameters and the axis of through hole is parallel to each other, the axes normal of through hole is in the lower surface of mobile briquetting 3, the two ends of briquetting seat 7 are provided with the identical stud of two diameters and the axis of stud is parallel to each other, the axes normal of stud is in the upper surface of briquetting seat 7, and the diameter of stud equals the diameter of through hole on mobile briquetting 3 and the distance between two stud axis equals on mobile briquetting 3 between two through-bore axis distance.When the through hole of mobile briquetting 3 is enclosed within stud, coordinate fastening mobile briquetting 3 by nut with stud.
Insulated conductor 2 is clamped between mobile briquetting 3 and briquetting seat 7 when installing, for the ease of installing insulating wire 2 with prevent insulated conductor 2 from sliding, the middle part of described mobile briquetting 3 lower surface is the arc-shaped of indent, the middle part of briquetting seat 7 upper surface is the arc-shaped of indent, the lower surface circular arc of mobile briquetting 3 is provided with the ratchet penetrating insulated conductor 2 insulating barrier, the length of described ratchet is greater than the thickness of insulated conductor 2 insulating barrier, and the circular arc of the upper surface indent of briquetting seat 7 is provided with the groove of some drainings.Mutual conduct between groove and the spacing of adjacent grooves is equal.When the downward extruding insulation wire 2 of mobile briquetting 3, ratchet thrusts the plain conductor part contact of insulated conductor 2 and insulated conductor 2, not only the external insulation of insulated conductor 2 can be absorbed in groove in the effect lower part of extruding force, plays the effect of fixed insulation wire 2 but also prevents the destruction of briquetting seat 7 pairs of insulated conductors 2.The mobile briquetting 3 of clamp piece has ratchet, need not divest the insulating barrier of insulated conductor 2 during installation, effectively avoids core to intake and corrosion, easy for installation, reduces maintenance cost.In order to get rid of lightning current during thunderbolt, the side of described briquetting seat 7 is fixed with starting rod 4, the lower end side of insulator body 6 is provided with the extinguishing arc head exposed, and the free end end of described starting rod 4 is pointed to extinguishing arc head but do not contact.In order to control the electric discharge position of starting rod 4, make starting rod 4 only in the electric discharge of free end end, the outer surface of described starting rod 4 has been provided with the rubber of insulating effect, only has free end end in atmosphere exposed.When occurring when being struck by lightning, thunder and lightning is burnt by starting rod release, effectively prevents lightning-caused breaking.For the ease of installing, prevent starting rod 4 from touching and disturbing installation, described insulator body 6 is two parts be fixedly connected with of connecting up and down, the first half length is shorter, outside does not arrange compounded rubber, the latter half length is longer, and outer setting has compounded rubber, can be rotated about axis between two parts of connecting up and down.
Enter with stop rainwater the cut place that insulated conductor 2 contacts with mobile briquetting 3 ratchet for preventing clamp piece accidental discharge, the position that described insulated conductor 2 contacts with clamp piece is provided with insulating shield 1, described package clip line piece and the one section of insulated conductor 2 contacted with clamp piece.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.The protection range that protection scope of the present invention should limit with claims is as the criterion.

Claims (10)

1. an anti-thunder insulator, it is characterized in that: described anti-thunder insulator comprises insulator body (6), the clamp piece on insulator body (6) top is set, the cross-arm (5) being arranged on insulator body (6) below and the starting rod (4) be arranged on clamp piece, described cross-arm (5) is fixing on utility poles, insulator body (6) lower end side is provided with extinguishing arc head, the insulating barrier of insulating effect has been provided with outside described insulator body (6), described clamp piece is fastened on insulated conductor (2), clamp piece comprises briquetting seat (7) and mobile briquetting (3), briquetting seat (7) is fixedly connected with the upper end of insulator body (6), mobile briquetting (3) is arranged on briquetting seat (7) top, the lower surface of mobile briquetting (3) is provided with ratchet, the upper surface of briquetting seat (7) is provided with groove.
2. anti-thunder insulator according to claim 1, is characterized in that: described insulating barrier is compounded rubber, and compounded rubber is provided with disk like projection.
3. anti-thunder insulator according to claim 1, it is characterized in that: the two ends of described mobile briquetting (3) are provided with the identical through hole of two diameters and the axis of through hole is parallel to each other, and the axes normal of through hole is in the lower surface of mobile briquetting (3).
4. anti-thunder insulator according to claim 3, it is characterized in that: the two ends of described briquetting seat (7) are provided with the identical stud of two diameters and the axis of stud is parallel to each other, the axes normal of stud is in the upper surface of briquetting seat (7), and the diameter of stud equals the upper diameter of through hole of mobile briquetting (3) and the distance between two stud axis equals between upper two through-bore axis of mobile briquetting (3) distance.
5. anti-thunder insulator according to claim 3, it is characterized in that: described briquetting seat (7) and mobile briquetting (3) are fastened on insulated conductor (2), the middle part of mobile briquetting (3) lower surface is the arc-shaped of indent, the middle part of briquetting seat (7) upper surface is the arc-shaped of indent, the lower surface circular arc of mobile briquetting (3) is provided with the ratchet penetrating insulated conductor (2) insulating barrier, and the circular arc of the upper surface indent of briquetting seat (7) is provided with the groove of some drainings.
6. anti-thunder insulator according to claim 5, is characterized in that: mutual conduct between described groove and the spacing of adjacent grooves is equal, and the length of described ratchet is greater than the thickness of insulated conductor 2 insulating barrier.
7. anti-thunder insulator according to claim 1-6 any one, it is characterized in that: described starting rod (4) is arranged on the side of briquetting seat (7), the lower end side of insulator body (6) is provided with the extinguishing arc head exposed, and the free end end of described starting rod (4) is pointed to extinguishing arc head but do not contact.
8. anti-thunder insulator according to claim 7, is characterized in that: the outer surface of described starting rod (4) has been provided with the rubber of insulating effect, only has free end end in atmosphere exposed.
9. anti-thunder insulator according to claim 8, it is characterized in that: described insulator body (6) is two parts be fixedly connected with of connecting up and down, the first half length is shorter, outside does not arrange compounded rubber, the latter half length is longer, outer setting has compounded rubber, can be rotated about axis between two parts of connecting up and down.
10. anti-thunder insulator according to claim 9, it is characterized in that: the upper position contacted with clamp piece of described insulated conductor (2) is provided with insulating shield (1), described package clip line piece and the one section of insulated conductor (2) contacted with clamp piece.
CN201510537258.XA 2015-08-26 2015-08-26 Lightning protection insulator Pending CN105139974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510537258.XA CN105139974A (en) 2015-08-26 2015-08-26 Lightning protection insulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510537258.XA CN105139974A (en) 2015-08-26 2015-08-26 Lightning protection insulator

Publications (1)

Publication Number Publication Date
CN105139974A true CN105139974A (en) 2015-12-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510537258.XA Pending CN105139974A (en) 2015-08-26 2015-08-26 Lightning protection insulator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2808133A1 (en) * 2019-08-23 2021-02-25 Corporative Int R&H Europe S L Electrical protection device. (Machine-translation by Google Translate, not legally binding)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003217790A (en) * 2002-01-17 2003-07-31 Asahi Tec Corp Lightning arresting device
CN201185110Y (en) * 2007-09-06 2009-01-21 固力发电气有限公司 Puncture type lightning protection insulator
CN201812601U (en) * 2010-10-15 2011-04-27 芜湖市凯鑫避雷器有限责任公司 Lightning protection strut composite insulator
CN203774019U (en) * 2014-04-08 2014-08-13 浙江西亚电力设备有限公司 Composite insulator
CN203951128U (en) * 2014-07-15 2014-11-19 国家电网公司 Insulated conductor porcelain cleat
CN204904937U (en) * 2015-08-26 2015-12-23 芜湖市凯鑫避雷器有限责任公司 Lightning protection insulator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003217790A (en) * 2002-01-17 2003-07-31 Asahi Tec Corp Lightning arresting device
CN201185110Y (en) * 2007-09-06 2009-01-21 固力发电气有限公司 Puncture type lightning protection insulator
CN201812601U (en) * 2010-10-15 2011-04-27 芜湖市凯鑫避雷器有限责任公司 Lightning protection strut composite insulator
CN203774019U (en) * 2014-04-08 2014-08-13 浙江西亚电力设备有限公司 Composite insulator
CN203951128U (en) * 2014-07-15 2014-11-19 国家电网公司 Insulated conductor porcelain cleat
CN204904937U (en) * 2015-08-26 2015-12-23 芜湖市凯鑫避雷器有限责任公司 Lightning protection insulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2808133A1 (en) * 2019-08-23 2021-02-25 Corporative Int R&H Europe S L Electrical protection device. (Machine-translation by Google Translate, not legally binding)

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C10 Entry into substantive examination
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Application publication date: 20151209

RJ01 Rejection of invention patent application after publication