CN105633606A - Connector and connection method of graphite composite grounding bodies - Google Patents

Connector and connection method of graphite composite grounding bodies Download PDF

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Publication number
CN105633606A
CN105633606A CN201410624825.0A CN201410624825A CN105633606A CN 105633606 A CN105633606 A CN 105633606A CN 201410624825 A CN201410624825 A CN 201410624825A CN 105633606 A CN105633606 A CN 105633606A
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CN
China
Prior art keywords
earth electrode
clamping plate
graphite bonded
bonded earth
nut
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
CN201410624825.0A
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Chinese (zh)
Inventor
詹清华
肖微
吴焯军
龚若涵
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.)
Wuhan University WHU
Foshan Power Supply Bureau of Guangdong Power Grid Corp
Original Assignee
Wuhan University WHU
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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 Wuhan University WHU, Foshan Power Supply Bureau of Guangdong Power Grid Corp filed Critical Wuhan University WHU
Priority to CN201410624825.0A priority Critical patent/CN105633606A/en
Publication of CN105633606A publication Critical patent/CN105633606A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a connector and connection method used for connecting a plurality of graphite composite grounding bodies. The connector comprises two conductive clamping plates, and bolts, nuts and spacers which are used to connect the two conductive clamping plates fixedly. The two sides of the conductive clamping plates are respectively equipped with a plurality of fixing holes which are arranged at equal intervals and through which the bolts can penetrate, and the fixing holes at the two sides of the conductive clamping plates are in one-to-one correspondence respectively. The two conductive clamping plates are used to clamp the graphite composite grounding bodies by the cooperation of the bolts, the nuts and the spacers, and connect the plurality of graphite composite grounding bodies electrically. The connector of the graphite composite grounding bodies can be widely used in the connection field of the graphite composite grounding materials, can solve the problems that the conventional graphite composite grounding bodies can not be connected by the electrowelding, gas welding, heat-released jointing, etc., can connect the graphite composite grounding bodies more stably, is large in connection intensity and low in connection resistance of connection points, and can satisfy the actual grounding construction demands.

Description

Continue part and the method for attachment of graphite bonded earth electrode
Technical field
The present invention relates to field of power, especially relate to continue part and the method for attachment of a kind of graphite bonded earth electrode.
Background technology
The grounding device of power system is the critical facility of the personal safety ensureing power equipment reliable ground, protection power construction personnel, is also the important means of power system lightning protection. The steel such as earthing material many employings round steel of power system common at present, band steel, galvanized steel make, and some important power hubs are also adopted by expensive copper product as earthing material. In recent years, copper covered steel earthing material has been also carried out on probation in some ground connection occasions. Practical operating experiences shows, copper metallic ground material corrosion resistance is better. Copper covered steel earthing material corrosion resistance depends on the thickness of overlay coating on the one hand, to ensure to avoid colliding with in work progress on the other hand, keep the integrity of coating as far as possible, be otherwise easily formed chemical primary cell at breakage, the corrosion of earthing material inner core steel can be accelerated.
Novel graphite bonded earth electrode disclosed in patent CN203521649U " novel graphite compound earthing material " and CN203521648U " low kelvin effect graphite compound earthing material " efficiently solves the etching problem of metallic ground material, and carries out Demonstration Application at some transmission line tower grounding networks. But graphite bonded earth electrode is different from metallic ground material, it is not suitable for electric welding, gas welding and exothermic weld.
Summary of the invention
Based on this, it is necessary to provide a kind of part that continues connected suitable in graphite bonded earth electrode.
The part that continues of a kind of graphite bonded earth electrode, is used for connecting multiple described graphite bonded earth electrode, described in the part that continues include two pieces of conduction clamping plate and for fixing connection described two pieces of the conduction bolts of clamping plate, nut and pads; The both sides of described conduction clamping plate offer the fixing hole of the described bolt traverse of multiple equally spaced confession respectively, and the described fixing hole of described conduction clamping plate both sides is one_to_one corresponding respectively; Two pieces of described conduction clamping plate are used for clamping described graphite bonded earth electrode by described bolt, described nut and the cooperation of described pad, and are electrically connected by multiple described graphite bonded earth electrodes.
Wherein in an embodiment, described conduction clamping plate are tabular, and 0.85��0.9 times of the diameter that the distance between the corresponding described fixing hole of described conduction clamping plate both sides is graphite bonded earth electrode to be connected.
Wherein in an embodiment, described bolt includes being positioned at the polished rod portion at middle part and being positioned at nut and the threaded portion at two ends, and the length in described polished rod portion is consistent with the diameter of graphite bonded earth electrode to be connected.
Wherein in an embodiment, the middle part of described conduction clamping plate is provided with arching upward of arc, described in the diameter that arches upward consistent with the diameter of graphite bonded earth electrode to be connected, described fixing hole sets up separately in the described both sides arched upward.
Wherein in an embodiment, the length of described conduction clamping plate is 120��200mm, and width is 50��100mm, and thickness is 5��10mm.
Wherein in an embodiment, each described conduction clamping plate are offered 6 or 8 described fixing holes, 3 or 4, every side.
Wherein in an embodiment, the diameter of described bolt is not less than 8mm, and the diameter of described fixing hole is consistent with the diameter of described bolt.
Wherein in an embodiment, described pad includes elastomeric pad and described flat shim described in elastomeric pad and flat shim, described bolt and described nut screw connection by two pieces of described conductive clamp board clampings;
Described nut has two and/or described nut is anticreep anti-return nut.
Wherein in an embodiment, described conduction clamping plate are corrosion resistant plate;
Described nut, described bolt and described flat shim are stainless steel, and described nut is provided with weld layer with described bolt link position; Or described nut, described bolt and described flat shim are fiberglass or epoxy resin material, and described nut is provided with sealing resin with described bolt link position;
The outer surface oiling corrosion resistant coating of described nut and described bolt or sealing resin.
The method of attachment of a kind of graphite bonded earth electrode, uses the part that continues described in any of the above-described embodiment, and described method of attachment comprises the steps:
Multiple graphite bonded earth electrodes to be connected are inserted between two pieces of described conduction clamping plate, and the length controlled between described graphite bonded earth electrode insertion conduction clamping plate is not less than 20mm;
Described bolt is inserted described fixing hole, coordinates described pad and the described conduction clamping plate of described nut check two pieces, multiple graphite bonded earth electrodes are electrically connected.
Above-mentioned graphite bonded earth electrode continue part and method of attachment can be widely used in the connection area of graphite compound earthing material, can solve traditional graphite bonded earth electrode can not the problem such as electric welding, gas welding or exothermic weld, the each graphite bonded earth electrode of connection that can be relatively stable, and bonding strength is big, the connection resistance of splicing point is low, it is possible to meet actual grounding construction demand.
Accompanying drawing explanation
Fig. 1 is the structural representation of the part that continues of the graphite bonded earth electrode of embodiment 1;
Fig. 2 is the structural representation of the part that continues of the graphite bonded earth electrode of embodiment 2.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully. Accompanying drawing gives presently preferred embodiments of the present invention. But, the present invention can realize in many different forms, however it is not limited to embodiment described herein. On the contrary, the purpose providing these embodiments is to make the understanding to the disclosure more thorough comprehensively.
It should be noted that be referred to as " being fixed on " another element when element, it can directly on another element or can also there is element placed in the middle. When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology. The term used in the description of the invention herein is intended merely to the purpose describing specific embodiment, it is not intended that in the restriction present invention. Term as used herein " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
Embodiment 1
The part 100 that continues of the graphite bonded earth electrode of embodiment 1 includes conduction clamping plate 110, bolt 120, nut (not shown) and pad (not shown). The graphite bonded earth electrode of the present embodiment can be used for the graphite compound earthing material that connection diameter is 28mm, such as the connection of the soft graphite compound earthing material disclosed in patent CN203521649U " novel graphite compound earthing material ".
Conduction clamping plate 110 have two pieces. The length of two pieces of conduction clamping plate 110 is 150mm, and width is 70mm, and thickness is 5mm. What the middle part of two pieces of conduction clamping plate 110 was equipped with arc arches upward 112. Arch upward 112 the draw-in groove being internally formed for housing graphite bonded earth electrode. Arch upward 112 diameter consistent with the diameter of graphite bonded earth electrode to be connected, be also 28mm. Arch upward 112 both sides be provided with 3 pairs of fixing holes 114. The diameter of each fixing hole 114 is 8.4mm.
Conduction clamping plate 110, bolt 120, nut and pad adopt stainless steel to make molding. Bolt 120 and nut are anticreep Dogbolt, nut standard component. Pad includes flat shim and elastomeric pad. Each bolt 120 and nut screw connection use a flat shim and an elastomeric pad, and the clamping plate 110 that conduct electricity two pieces are tightened together. Finding through actual joint test, the graphite bonded earth electrode that diameter is 28mm adopts the arch shown in embodiment 1 to continue part 100 bonding strength greatly, and junction point place resistance is little, it is possible to meet actual grounding construction demand.
Embodiment 2
The part 200 that continues of the graphite bonded earth electrode of embodiment 2 includes conduction clamping plate 210, bolt (not shown), nut (not shown) and pad (not shown). The graphite bonded earth electrode of the present embodiment can be used for the low Kelvin effect graphite compound earthing material that connection diameter is 40mm, the connection of low Kelvin effect graphite compound earthing material as disclosed in patent CN203521648U " low kelvin effect graphite compound earthing material ".
Conduction clamping plate 210 have two pieces. Conduction clamping plate 210 are plate-like structure. The length of two pieces of conduction clamping plate 210 is 150mm, and width is 70mm, and thickness is 5mm. The both sides of every piece of conduction clamping plate 210 are provided with 3 pairs of fixing holes 212. The diameter of each fixing hole 212 is 10.2mm.
Conduction clamping plate 210 adopt stainless steel to make molding. Bolt, nut and pad adopt glass steel material to make molding. Nut can have two, can effectively prevent from loosening after two nut. Will conduction clamping plate 210 sandwiched graphite bonded earth electrode, and after being coordinated by bolt, nut and pad and screwing, the link position at nut with bolt adopts sealing resin to solidify and seals. Finding through actual joint test, the graphite bonded earth electrode that diameter is 40mm adopts the tabular shown in embodiment 2 to continue part 200 bonding strength greatly, and junction point place resistance is little, it is possible to meet actual grounding construction demand.
For the part 200 that continues that the flat conduction clamping plate 210 of such as embodiment 2 are constituted, distance between the corresponding fixing hole 212 of conduction clamping plate 210 both sides is designed as 0.85��0.9 times of the diameter of graphite bonded earth electrode to be connected, and the bolt to ensure both sides is closely coupled with graphite bonded earth electrode. And bolt can adopt non-standard component, as bolt can include being positioned at the polished rod portion at middle part and being positioned at nut and the threaded portion at two ends, wherein, the length in polished rod portion is consistent with the diameter of graphite bonded earth electrode to be connected, this design can ensure that each bolt uniform stressed, it is to avoid the situation of indivedual bolt looseness occurs.
For the nut of stainless steel, bolt and pad, nut the mode such as can pass through to weld and form weld layer with bolt link position, to add strong ties. For the nut of the material such as fiberglass or epoxy resin, bolt and flat shim, nut and bolt link position can arrange sealing resin to add strong ties and to form effectively sealing. Additionally, the outer surface of nut and bolt can oiling corrosion resistant coating or sealing resin, to strengthen antiseptic property.
Moreover, it relates to the method for attachment of a kind of graphite bonded earth electrode, this method of attachment uses the part that continues of any of the above-described embodiment. This method of attachment comprises the steps:
Multiple graphite bonded earth electrodes to be connected are inserted between two pieces of conduction clamping plate, and the length controlled between graphite bonded earth electrode insertion conduction clamping plate is not less than 20mm;
Bolt is inserted fixing hole, tie spacer and nut check two pieces conduction clamping plate, multiple graphite bonded earth electrodes are electrically connected.
Above-mentioned graphite bonded earth electrode continue part and method of attachment can be widely used in the connection area of graphite compound earthing material, when connecting, graphite bonded earth electrode inserts the length continued within part and is not less than 20mm, to form effectively fixing and stable diffusing effect. The part that continues of this graphite bonded earth electrode can solve traditional graphite bonded earth electrode can not the problem such as electric welding, gas welding or exothermic weld, the each graphite bonded earth electrode of connection that can be relatively stable, and bonding strength is big, the connection resistance of splicing point is low, it is possible to meet actual grounding construction demand.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. the part that continues of graphite bonded earth electrode, is used for connecting multiple described graphite bonded earth electrode, it is characterised in that described in the part that continues include two pieces of conduction clamping plate and for fixing connection described two pieces of the conduction bolts of clamping plate, nut and pads; The both sides of described conduction clamping plate offer the fixing hole of the described bolt traverse of multiple equally spaced confession respectively, and the described fixing hole of described conduction clamping plate both sides is one_to_one corresponding respectively; Two pieces of described conduction clamping plate are used for clamping described graphite bonded earth electrode by described bolt, described nut and the cooperation of described pad, and are electrically connected by multiple described graphite bonded earth electrodes.
2. the part that continues of graphite bonded earth electrode as claimed in claim 1, it is characterized in that, described conduction clamping plate are tabular, and 0.85��0.9 times of the diameter that the distance between the corresponding described fixing hole of described conduction clamping plate both sides is graphite bonded earth electrode to be connected.
3. the part that continues of graphite bonded earth electrode as claimed in claim 2, it is characterized in that, described bolt includes being positioned at the polished rod portion at middle part and being positioned at nut and the threaded portion at two ends, and the length in described polished rod portion is consistent with the diameter of graphite bonded earth electrode to be connected.
4. the part that continues of graphite bonded earth electrode as claimed in claim 1, it is characterized in that, the middle part of described conduction clamping plate is provided with arching upward of arc, described in the diameter that arches upward consistent with the diameter of graphite bonded earth electrode to be connected, described fixing hole sets up separately in the described both sides arched upward.
5. the part that continues of the graphite bonded earth electrode as according to any one of claim 2��4, it is characterised in that the length of described conduction clamping plate is 120��200mm, width is 50��100mm, and thickness is 5��10mm.
6. the part that continues of graphite bonded earth electrode as claimed in claim 5, it is characterised in that offer 6 or 8 described fixing holes, 3 or 4, every side on each described conduction clamping plate.
7. the part that continues of graphite bonded earth electrode as claimed in claim 6, it is characterised in that the diameter of described bolt is not less than 8mm, and the diameter of described fixing hole is consistent with the diameter of described bolt.
8. the part that continues of graphite bonded earth electrode as claimed in claim 7, it is characterised in that described pad includes elastomeric pad and described flat shim described in elastomeric pad and flat shim, described bolt and described nut screw connection by two pieces of described conductive clamp board clampings;
Described nut has two and/or described nut is anticreep anti-return nut.
9. the part that continues of graphite bonded earth electrode as claimed in claim 8, it is characterised in that described conduction clamping plate are corrosion resistant plate;
Described nut, described bolt and described flat shim are stainless steel, and described nut is provided with weld layer with described bolt link position; Or described nut, described bolt and described flat shim are fiberglass or epoxy resin material, and described nut is provided with sealing resin with described bolt link position;
The outer surface oiling corrosion resistant coating of described nut and described bolt or sealing resin.
10. the method for attachment of a graphite bonded earth electrode, it is characterised in that using the part that continues as claimed in any one of claims 1-9 wherein, described method of attachment comprises the steps:
Multiple graphite bonded earth electrodes to be connected are inserted between two pieces of described conduction clamping plate, and the length controlled between described graphite bonded earth electrode insertion conduction clamping plate is not less than 20mm;
Described bolt is inserted described fixing hole, coordinates described pad and the described conduction clamping plate of described nut check two pieces, multiple graphite bonded earth electrodes are electrically connected.
CN201410624825.0A 2014-11-06 2014-11-06 Connector and connection method of graphite composite grounding bodies Pending CN105633606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410624825.0A CN105633606A (en) 2014-11-06 2014-11-06 Connector and connection method of graphite composite grounding bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410624825.0A CN105633606A (en) 2014-11-06 2014-11-06 Connector and connection method of graphite composite grounding bodies

Publications (1)

Publication Number Publication Date
CN105633606A true CN105633606A (en) 2016-06-01

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CN201410624825.0A Pending CN105633606A (en) 2014-11-06 2014-11-06 Connector and connection method of graphite composite grounding bodies

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111541122A (en) * 2020-05-14 2020-08-14 国网湖北省电力有限公司十堰供电公司 Grounding construction method for graphite-based flexible grounding material tower
CN112688094A (en) * 2020-12-31 2021-04-20 国网河南省电力公司南阳供电公司 Anti-corrosion down lead structure for lightning protection grounding system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202678532U (en) * 2012-04-15 2013-01-16 河南省电力公司南阳供电公司 Split-type copper aluminum equipment wire clamp
US20140144018A1 (en) * 2012-06-13 2014-05-29 J.S.T. Corporation In-line sealed electrical connector apparatus having a connector apparatus position assurance device, and locking method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202678532U (en) * 2012-04-15 2013-01-16 河南省电力公司南阳供电公司 Split-type copper aluminum equipment wire clamp
US20140144018A1 (en) * 2012-06-13 2014-05-29 J.S.T. Corporation In-line sealed electrical connector apparatus having a connector apparatus position assurance device, and locking method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111541122A (en) * 2020-05-14 2020-08-14 国网湖北省电力有限公司十堰供电公司 Grounding construction method for graphite-based flexible grounding material tower
CN112688094A (en) * 2020-12-31 2021-04-20 国网河南省电力公司南阳供电公司 Anti-corrosion down lead structure for lightning protection grounding system

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CB03 Change of inventor or designer information

Inventor after: Zhang Sihan

Inventor after: Zhan Qinghua

Inventor after: Xiao Wei

Inventor after: Huang Daochun

Inventor after: Wang Junbo

Inventor before: Zhan Qinghua

Inventor before: Xiao Wei

Inventor before: Wu Chaojun

Inventor before: Gong Ruohan

COR Change of bibliographic data
RJ01 Rejection of invention patent application after publication

Application publication date: 20160601

RJ01 Rejection of invention patent application after publication