CN202120773U - Insulation pull bar and connection structure employing the insulation pull bar - Google Patents

Insulation pull bar and connection structure employing the insulation pull bar Download PDF

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Publication number
CN202120773U
CN202120773U CN2011201715215U CN201120171521U CN202120773U CN 202120773 U CN202120773 U CN 202120773U CN 2011201715215 U CN2011201715215 U CN 2011201715215U CN 201120171521 U CN201120171521 U CN 201120171521U CN 202120773 U CN202120773 U CN 202120773U
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CN
China
Prior art keywords
tension pole
insulated tension
thread
connector
rod
Prior art date
Application number
CN2011201715215U
Other languages
Chinese (zh)
Inventor
黄坤鹏
王军飞
闫亚刚
张红宇
赵平
Original Assignee
平高集团有限公司
河南平高电气股份有限公司
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Publication date
Application filed by 平高集团有限公司, 河南平高电气股份有限公司 filed Critical 平高集团有限公司
Priority to CN2011201715215U priority Critical patent/CN202120773U/en
Application granted granted Critical
Publication of CN202120773U publication Critical patent/CN202120773U/en

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Abstract

The utility model relates to an insulation pull bar and a connection structure employing the insulation pull bar. The insulation pull bar includes a bar body; the periphery of the pull bar end portion is provided with a connection screw thread; a connection piece possesses a screwed hole matched to the connection screw thread at the pull bar end portion; the insulation pull bar is rotatingly connected with the connection piece through the corresponding connection screw thread and the screwed hole; and a bonding agent is filled between the periphery of the pull bar end portion and the inner wall of the screwed hole.

Description

A kind of insulated tension pole and adopt the syndeton of this insulated tension pole
Technical field
The utility model belongs to the isolating switch and the circuit breaker interface unit of high voltage switchgear (GIS), relates in particular to a kind of insulated tension pole that is applied on the high-voltage switch gear.
Background technology
Insulated tension pole is the vitals that circuit breaker transmits energy and power and insulation; It is the tie of breaker body part and mechanism's part; Its electric property and mechanical performance are all had very high requirement, and the quality of insulated tension pole quality directly has influence on the reliability of circuit breaker and the safe operation of electrical network.
At present, the circuit breaker in the gas-insulated gas insulated metal enclosed swit chgear (GIS) of domestic production has a lot of things to adopt external insulated tension pole, still; Costing an arm and a leg of external insulated tension pole; And the circuit breaker of domestic production and external different, the operating work of state's inner breaker product needed is very big, usually need be more than 210KN; The intensity of import pull bar generally is lower than 180KN; In pull test, the joint when pulling force reaches 180KN in the insulated tension pole will be thrown off with insulating bar, and the specification requirement that hot strength can't reach product design also often appears in the therefore external insulated tension pole of producing.
Existing external insulated tension pole commonly used generally adopts the spring connected mode, but the assembling of this mode is complicated, and assembly difficulty is big, and link position intensity is little, and the stability of product operation is reduced.
Chinese patent ZL200620130276.2 discloses the patent document that name is called " insulated tension pole that is used for primary cut-out "; This insulated tension pole comprises externally inlaid part, embedded component and the end insulated tube between externally inlaid part and embedded component; The inner surface of externally inlaid part and the outer surface of embedded component are provided with many grooves, and the degree of depth of groove is 0.3mm~0.7mm; The surfaces externally and internally of the insulated tube of the part that matches with externally inlaid part and embedded component is the coarse surface of processing, and surface roughness Ra is 12.5-50 μ m, is filled with bonding agent between insulated tube and the externally inlaid part and in the fit clearance between insulated tube and the embedded component.This structure is because the respective areas of contact of externally inlaid part, embedded component and insulated tube is bonding way is connected, and the power that acts on the pull bar acts directly on the bonding agent, influences the stability of pull bar; When pulling force is big, the inside and outside inserts on the insulating bar is come off from insulated tube, thereby cause high-voltage switch gear pull bar stretch bending even fracture; Or will support that porcelain vase severs, its consequence is extremely serious, and switchgear is damaged; And the diffusing sheet of insulator splashes; Jeopardize other electric equipment, often cause large-area power-cuts, influence the safe operation of electrical network.In addition, the bonding agent that this structure adopts is necessary for the glue of high strength and cementability, costs an arm and a leg, and cost is higher.
The utility model content
The purpose of the utility model provides a kind of insulated tension pole, and complicated to solve existing insulated tension pole assembling, assembly difficulty is big, and link position intensity is little, makes the problem of the stability reduction of product operation, and a kind of syndeton of using this insulated tension pole is provided simultaneously.
For realizing above-mentioned purpose, the technical scheme of the insulated tension pole that the utility model provides is following: a kind of insulated tension pole, comprise the body of rod, and the outer peripheral face of said body of rod end is provided with connecting thread.
The body of rod of insulated tension pole extends longitudinally, and said connecting thread is the waveform screw thread on its longitudinal cross-section.
The crest and the trough place of the waveform screw thread on the longitudinal cross-section of said connecting thread are arc structure, and between crest and the trough for seamlessly transitting.
The technical scheme of the insulated tension pole syndeton that the utility model provides is following: a kind of syndeton of insulated tension pole; Comprise insulated tension pole and the connector that is fixedly connected with the insulated tension pole end; Said insulated tension pole comprises the body of rod; The outer peripheral face of this body of rod end is provided with connecting thread; Said connector has and the identical adaptive screwed hole of the connecting thread of said body of rod end, and said insulated tension pole spins through corresponding connecting thread and screwed hole with connector, and is filled with bonding agent between the internal face of the outer peripheral face of said insulated tension pole end and connector screwed hole.
Said connecting thread is the waveform screw thread on its longitudinal cross-section.
The crest and the trough place of the waveform screw thread on the longitudinal cross-section of said connecting thread are arc structure, and between crest and the trough for seamlessly transitting.
Said insulated tension pole is hollow body, and in its end endoporus, is provided with the embedded component that coincide and cooperate with the insulated tension pole inner hole wall, and the outer end of said embedded component is provided with the retaining edge that cooperates with the insulated tension pole block.
Be filled with bonding agent between the outer peripheral face of said embedded component and the insulated tension pole inner hole wall.
Said externally inlaid part is fixedly connected on outside the connector, adopts between the internal face of said connector outer peripheral face and moving contact junction to be filled with anaerobic adhesive.
Insulated tension pole of the utility model and syndeton thereof, its body of rod adopts helicitic texture, uses the moulding of moulding cutter time processing, improves working (machining) efficiency; Assembling is simple, and link position intensity is big, improves the stability of product operation; Change the spring connected mode simultaneously, reduce the parts kind, thereby reduced stock and organization of production difficulty.
Adopt the waveform screw thread more to help the bonding cooperation between insulated tension pole and the connector, improve the insulated tension pole adhesive strength, stability is strong, and operational reliability is high.
In addition, the bonding agent that this structure adopts adopts common bonding agent to get final product, and has lowered production cost.
Description of drawings
Fig. 1 is the structural representation of the utility model insulated tension pole;
Fig. 2 is the sketch map that the utility model insulated tension pole syndeton is connected with moving contact;
Fig. 3 is the partial enlarged drawing at A place among Fig. 1.
Embodiment
Below in conjunction with concrete embodiment the utility model is done further introduction.
Of Fig. 1 is the structural representation of the utility model insulated tension pole, can know that by figure this insulated tension pole comprises the body of rod 2, and the body of rod of insulated tension pole extends longitudinally, and the outer peripheral face of body of rod end is provided with connecting thread.Be further optimization, the connecting thread of present embodiment is the waveform screw thread on its longitudinal cross-section, and the crest of waveform screw thread and trough place be arc structure, and between crest and the trough for seamlessly transitting.
Be illustrated in figure 3 as the partial enlarged drawing at A place among Fig. 1, can know that by figure the arc diameter at the crest place of present embodiment waveform screw thread is 27mm, the arc diameter at trough place is 25.4mm.
Of Fig. 2 is the sketch map that the utility model insulated tension pole syndeton is connected with moving contact; Can know by figure; This syndeton comprises insulated tension pole and the connector 3 that is fixedly connected with the insulated tension pole end; This insulated tension pole comprises the body of rod 2, and the outer peripheral face of body of rod end is provided with connecting thread, and connector has and the identical adaptive screwed hole of the connecting thread of body of rod end; Insulated tension pole spins through corresponding connecting thread and screwed hole with connector, and is filled with bonding agent between the internal face of the outer peripheral face of insulated tension pole end and connector screwed hole.Moving contact 1 in the present embodiment is fixedly connected on outside the connector, adopts anaerobic adhesive to cement between the internal face of connector outer peripheral face and moving contact junction.
For the waveform screw thread, and the crest of waveform screw thread and trough place be arc structure to the connecting thread of the insulated tension pole that adopts in the present embodiment insulated tension pole syndeton on its longitudinal cross-section, and between crest and the trough for seamlessly transitting.
The insulated tension pole of present embodiment is hollow body, and in its end endoporus, is provided with the embedded component 4 that coincide and cooperate with the insulated tension pole inner hole wall, and the outer end of embedded component is provided with the retaining edge that cooperates with the insulated tension pole block; Be filled with bonding agent between the outer peripheral face of embedded component and the insulated tension pole inner hole wall.
The bonding agent of filling between the bonding agent of filling between the internal face of the outer peripheral face of insulated tension pole end and connector screwed hole in the present embodiment and the outer peripheral face of embedded component and the insulated tension pole inner hole wall all adopts epoxide-resin glue.
Insulated tension pole of the utility model and syndeton thereof; Its body of rod adopts the waveform helicitic texture, uses the moulding of moulding cutter time processing, improves working (machining) efficiency; Improve the insulated tension pole adhesive strength, improve the stability of product operation; Change the spring connected mode simultaneously, reduce the parts kind, thereby reduced stock and organization of production difficulty.

Claims (9)

1. an insulated tension pole comprises the body of rod, it is characterized in that: the outer peripheral face of said body of rod end is provided with connecting thread.
2. insulated tension pole according to claim 1 is characterized in that: the body of rod of insulated tension pole extends longitudinally, and said connecting thread is the waveform screw thread on its longitudinal cross-section.
3. insulated tension pole according to claim 2 is characterized in that: the crest and the trough place of the waveform screw thread on the longitudinal cross-section of said connecting thread are arc structure, and between crest and the trough for seamlessly transitting.
4. syndeton that adopts insulated tension pole as claimed in claim 1; Comprise insulated tension pole and the connector that is fixedly connected with the insulated tension pole end; It is characterized in that: said insulated tension pole comprises the body of rod; The outer peripheral face of this body of rod end is provided with connecting thread; Said connector has and the identical adaptive screwed hole of the connecting thread of said body of rod end, and said insulated tension pole spins through corresponding connecting thread and screwed hole with connector, and is filled with bonding agent between the internal face of the outer peripheral face of said insulated tension pole end and connector screwed hole.
5. the syndeton of insulated tension pole according to claim 4 is characterized in that: said connecting thread is the waveform screw thread on its longitudinal cross-section.
6. the syndeton of insulated tension pole according to claim 5, it is characterized in that: the crest and the trough place of the waveform screw thread on the longitudinal cross-section of said connecting thread are arc structure, and between crest and the trough for seamlessly transitting.
7. according to the syndeton of any described insulated tension pole of claim 4~6; It is characterized in that: said insulated tension pole is hollow body; And in its end endoporus, being provided with the embedded component that coincide and cooperate with the insulated tension pole inner hole wall, the outer end of said embedded component is provided with the retaining edge that cooperates with the insulated tension pole block.
8. the syndeton of insulated tension pole according to claim 7 is characterized in that: be filled with bonding agent between the outer peripheral face of said embedded component and the insulated tension pole inner hole wall.
9. the syndeton of insulated tension pole according to claim 8, it is characterized in that: said externally inlaid part is fixedly connected on outside the connector, adopts between the internal face of said connector outer peripheral face and moving contact junction to be filled with anaerobic adhesive.
CN2011201715215U 2011-05-26 2011-05-26 Insulation pull bar and connection structure employing the insulation pull bar CN202120773U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201715215U CN202120773U (en) 2011-05-26 2011-05-26 Insulation pull bar and connection structure employing the insulation pull bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201715215U CN202120773U (en) 2011-05-26 2011-05-26 Insulation pull bar and connection structure employing the insulation pull bar

Publications (1)

Publication Number Publication Date
CN202120773U true CN202120773U (en) 2012-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201715215U CN202120773U (en) 2011-05-26 2011-05-26 Insulation pull bar and connection structure employing the insulation pull bar

Country Status (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103280382A (en) * 2013-04-25 2013-09-04 国家电网公司 Insulation pulling rod assembly and insulation pulling rod joint of insulation pulling rod assembly
CN105428139A (en) * 2015-12-03 2016-03-23 河南平高电气股份有限公司 Screw joint glue-coating connecting rod and hydraulic operating mechanism using connecting rod
CN105513845A (en) * 2015-11-25 2016-04-20 河南平高电气股份有限公司 Earthing switch, moving contact thereof and moving conductive rod thereof
CN105977066A (en) * 2016-07-05 2016-09-28 江苏神马电力股份有限公司 Insulating pull bar
CN107768180A (en) * 2017-11-28 2018-03-06 广东电网有限责任公司江门供电局 A kind of inserts joint type insulated tension pole

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103280382A (en) * 2013-04-25 2013-09-04 国家电网公司 Insulation pulling rod assembly and insulation pulling rod joint of insulation pulling rod assembly
CN103280382B (en) * 2013-04-25 2015-12-02 国家电网公司 Insulated tension pole assembly and insulation pull rod piecing thereof
CN105513845A (en) * 2015-11-25 2016-04-20 河南平高电气股份有限公司 Earthing switch, moving contact thereof and moving conductive rod thereof
CN105513845B (en) * 2015-11-25 2018-08-24 河南平高电气股份有限公司 A kind of earthing switch and its moving contact, moving conductive rod
CN105428139A (en) * 2015-12-03 2016-03-23 河南平高电气股份有限公司 Screw joint glue-coating connecting rod and hydraulic operating mechanism using connecting rod
CN105428139B (en) * 2015-12-03 2018-06-22 河南平高电气股份有限公司 Thread connection gluing connecting rod and the hydraulic actuating mechanism using the connecting rod
CN105977066A (en) * 2016-07-05 2016-09-28 江苏神马电力股份有限公司 Insulating pull bar
CN105977066B (en) * 2016-07-05 2019-07-12 江苏神马电力股份有限公司 A kind of insulated pull rod
CN107768180A (en) * 2017-11-28 2018-03-06 广东电网有限责任公司江门供电局 A kind of inserts joint type insulated tension pole

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