CN204333370U - A kind of mine flameproof high-voltage cable connector - Google Patents

A kind of mine flameproof high-voltage cable connector Download PDF

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Publication number
CN204333370U
CN204333370U CN201420872812.0U CN201420872812U CN204333370U CN 204333370 U CN204333370 U CN 204333370U CN 201420872812 U CN201420872812 U CN 201420872812U CN 204333370 U CN204333370 U CN 204333370U
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CN
China
Prior art keywords
insulating sleeve
phase line
sleeve
fixed head
inserted link
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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.)
Withdrawn - After Issue
Application number
CN201420872812.0U
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Chinese (zh)
Inventor
李华旺
黄秋平
倪春明
叶节东
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Electric Science And Technology Ltd In Xiang Continent Shanghai
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Electric Science And Technology Ltd In Xiang Continent Shanghai
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Priority to CN201420872812.0U priority Critical patent/CN204333370U/en
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Abstract

A kind of mine flameproof high-voltage cable connector, comprise socket and plug, described socket comprises flame proof jack housing, and its inside is wire connection cavity, and front end is provided with a ring flange, this ring flange front end is provided with a cannulate, this cannulate is fixed on the inside of ring flange and stretches out ring flange, and be provided with a ground connection isolation fixed head in cannulate, this ground connection isolation fixed head is provided with several through holes, be inserted with phase line sleeve insulating sleeve in through hole, in phase line sleeve insulating sleeve, be provided with phase line sleeve; Described plug comprises flame proof plug body, its inside is provided with a ground connection isolation fixed head, be wire connection cavity after this ground connection isolation fixed head, be cannulate above, the front end of cannulate is provided with ring flange, this ground connection isolation fixed head is provided with several through holes, is inserted with phase line inserted link insulating sleeve, is provided with phase line inserted link in phase line inserted link insulating sleeve in through hole.Compact conformation of the present utility model, electric clearance and creepage distance are obtained for very large lifting.

Description

A kind of mine flameproof high-voltage cable connector
Technical field
The utility model belongs to mining cable connector technique field, specifically, is about a kind of mine flameproof high-voltage cable connector.
Background technology
Mine flameproof high-voltage cable connector, be mainly used in underground coal mine and have in the environment of the explosive gas mixture such as coal dust, methane around, in electric power system, as the jockey of control cables and flameproof electrical switchgear cabinet, also can use as information communication cable connector at underground coal mine.
During in-site installation cable, need cable to be installed on the plug of cable connector.During use, will install the plug insertion socket of cable.Existing cable connector, its plug and socket includes shell and is arranged at the insulating part of housing front, this insulating part offers several connecting holes, wearing for cable; After cable installs, need to pour into polyurethane resin mixture in the space between cable in the enclosure, operate more loaded down with trivial details.And, the position creepage distance of plug and female contact and electric clearance little, often cannot meet high voltage bearing requirement, therefore, be necessary to be improved.
Utility model content
The purpose of this utility model is just to provide mine flameproof high-voltage cable connector, to solve the problem of existing cable connector downhole operations inconvenience.
For achieving the above object, the utility model is by the following technical solutions:
A kind of mine flameproof high-voltage cable connector, comprises socket and plug, wherein:
Described socket comprises flame proof jack housing, the inside of described flame proof jack housing is wire connection cavity, front end is then provided with a ring flange, this ring flange front end is provided with a cannulate, this cannulate is fixed on the inside of ring flange and stretches out ring flange, and be provided with a ground connection isolation fixed head in cannulate, this ground connection isolation fixed head is provided with several through holes, be inserted with phase line sleeve insulating sleeve in through hole, in phase line sleeve insulating sleeve, be provided with phase line sleeve;
Described plug comprises flame proof plug body, described flame proof plug body inside is provided with a ground connection isolation fixed head, be wire connection cavity after this ground connection isolation fixed head, be cannulate above, the front end of cannulate is provided with ring flange, this ground connection isolation fixed head is provided with several through holes, is inserted with phase line inserted link insulating sleeve, is provided with phase line inserted link in phase line inserted link insulating sleeve in through hole;
The phase line sleeve insulating sleeve of described socket and phase line sleeve match with the phase line inserted link insulating sleeve of described plug and phase line inserted link respectively, and when phase line inserted link insulating sleeve is inserted in phase line sleeve insulating sleeve, phase line inserted link inserts phase line sleeve just.
According to preferred embodiment of the present utility model, the front portion of described phase line inserted link insulating sleeve is double-decker, this double-deck centre is annular groove, when a plug is to be inserted into the socket, the front end of the phase line sleeve insulating sleeve of described socket is inserted in the double-deck annular groove of phase line inserted link insulating sleeve front portion just.
Further, be also inserted with ground wire plug bush insulating sleeve in the through hole of the ground connection isolation fixed head of described socket, in ground wire plug bush insulating sleeve, be provided with ground wire plug bush; Accordingly, be also inserted with ground wire inserted link insulating sleeve in the through hole of the ground connection isolation fixed head of described plug, in ground wire inserted link insulating sleeve, be provided with ground wire inserted link.
According to the utility model, the ground connection isolation fixed head of described socket is made up of a discoidal main body and a cover plate, correspond, the middle part of described phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is respectively equipped with a circle boss, upon assembly, phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve boss lay respectively in the main body of ground connection isolation fixed head, after cover plate covers, phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve rely on its boss to be limited in ground connection isolation fixed head respectively.
Accordingly, the ground connection isolation fixed head of described plug is made up of a discoidal main body and a cover plate, correspond, the middle part of described phase line inserted link insulating sleeve and ground wire inserted link insulating sleeve is respectively equipped with a circle boss, upon assembly, the boss of described phase line inserted link insulating sleeve and ground wire inserted link insulating sleeve lays respectively in the main body of ground connection isolation fixed head, after cover plate covers, phase line inserted link insulating sleeve and ground wire inserted link insulating sleeve rely on its boss to be limited in ground connection isolation fixed head respectively.
According to a preferred embodiment, the inwall of the ring flange of described socket is provided with a projection, and accordingly, the outer rim of described ground connection isolation fixed head is provided with a breach.
As the interchangeable scheme of one, also can be provided with a breach on the inwall of the ring flange of described socket, accordingly, the outer rim of described ground connection isolation fixed head is provided with a projection.
According to preferred embodiment of the present utility model, the material of described phase line inserted link insulating sleeve and phase line sleeve insulating sleeve is polytetrafluoroethylene.
According to another preferred embodiment, described flame proof jack housing and flame proof plug body adopt tin bronze ZQSn-6-6-6 cast mold.
Second aspect of the present utility model, provide a kind of mine flameproof high-voltage cable joint, described joint comprises housing, the both sides of this housing are provided with ring flange, the inside of housing is then provided with a ground connection isolation fixed head, this ground connection isolation fixed head offers several through holes, phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is inserted with in through hole, wherein be inserted with phase line inserted link in phase line sleeve insulating sleeve, ground wire inserted link is inserted with in ground wire plug bush insulating sleeve, the two ends of described phase line inserted link insulating sleeve are all set to double-decker, this double-deck centre is annular groove.
Further, the outer wall of described phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is provided with boss, described ground connection isolation fixed head is made up of a discoidal main body and a cover plate, utilizes boss by phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is spacing is fixed in ground connection isolation fixed head.
Mine flameproof high-voltage cable connector of the present utility model and cable joint, its beneficial effect is:
1, its reasonable in design, when plug-assembly is connected with jack assemblies, without the need to encapsulating;
2, polytetrafluoroethylene is high temperature high-pressure resistant material, and stable in properties is corrosion-resistant;
3, polytetrafluoroethylmaterial material is adopted, compacter in its structure;
4, groove is set on socket insulating part, makes its creepage distance longer, improve the security performance of cable connector;
5, the electric clearance of plug insulating part and socket insulating part and creepage distance all reach the requirement of GB3836.
Accompanying drawing explanation
Fig. 1 is the structural representation of mine flameproof high-voltage cable connector of the present utility model.
Fig. 2 is the cutaway view of mine flameproof high-voltage cable connector of the present utility model.
Fig. 3 is the cutaway view of mine flameproof high-voltage cable connector plug portion.
Fig. 4 is the structural representation of the ground connection isolation fixed head of socket.
Fig. 5 is the structural representation of the ground connection isolation fixed head of plug.
Fig. 6 is the cutaway view of mine flameproof high-voltage cable joint of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, mine flameproof high-voltage cable connector of the present utility model being described in further detail, should be understood that following examples only for illustration of the utility model but not for limiting scope of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, mine flameproof high-voltage cable connector of the present utility model comprises socket 1 and plug 2, wherein:
Described socket 1 comprises flame proof jack housing 11, the inside of described flame proof jack housing 11 is wire connection cavity 12, front end is then provided with a ring flange 13, this ring flange 13 front end is provided with a cannulate 14, this cannulate 14 is fixed on the inside of ring flange 13 and stretches out ring flange 13, and be provided with a ground connection isolation fixed head 15 in cannulate 14, this ground connection isolation fixed head 15 is provided with several through holes 150, be inserted with phase line sleeve insulating sleeve 16 in through hole 150, in phase line sleeve insulating sleeve 16, be provided with phase line sleeve 17;
Described plug 2 comprises flame proof plug body 21, described flame proof plug body 21 inside is provided with a ground connection isolation fixed head 22, be wire connection cavity 23 after this ground connection isolation fixed head 22, be cannulate 24 above, the front end of cannulate 24 is provided with ring flange 25, this ground connection isolation fixed head 22 is provided with several through holes 220, is inserted with phase line inserted link insulating sleeve 26, is provided with phase line inserted link 27 in phase line inserted link insulating sleeve 26 in through hole 220;
The phase line sleeve insulating sleeve 16 of described socket 1 and phase line sleeve 17 match with the phase line inserted link insulating sleeve 26 of described plug 2 and phase line inserted link 27 respectively, when phase line inserted link insulating sleeve 26 is inserted in phase line sleeve insulating sleeve 16, phase line inserted link 27 inserts phase line sleeve 17 just;
Wherein, as shown in Figure 3, the front portion of described phase line inserted link insulating sleeve 26 is double-decker, this double-deck centre is annular groove 260, when plug 2 inserts socket 1, the front end of the phase line sleeve insulating sleeve 16 of described socket 1 is inserted in the double-deck annular groove 260 of phase line inserted link insulating sleeve 26 front portion just.Compare existing single layer structure, the double-decker of phase line sleeve insulating sleeve 16 front portion makes the electric clearance of connector and creepage distance obtain highly significantly to promote, thus meets high voltage bearing requirement.
Referring to figs. 2 and 3, be also inserted with ground wire plug bush insulating sleeve 18 in the through hole 150 of the ground connection isolation fixed head 15 of described socket 1, in ground wire plug bush insulating sleeve 18, be provided with ground wire plug bush 19; Accordingly, be also inserted with ground wire inserted link insulating sleeve 28 in the through hole 220 of the ground connection isolation fixed head 22 of described plug 2, in ground wire inserted link insulating sleeve 28, be provided with ground wire inserted link 29.
As shown in Figure 3 and Figure 4, the ground connection isolation fixed head 22 of described plug 2 is made up of a discoidal main body 221 and a cover plate 222, fix by such as set bolt and nut, correspond, the middle part of described phase line inserted link insulating sleeve 26 and ground wire inserted link insulating sleeve 28 is respectively equipped with a circle boss 261, 281, upon assembly, boss 261, 281 be positioned at ground connection isolation fixed head 22 main body 221, after cover plate 222 covers, phase line inserted link insulating sleeve 26 and ground wire inserted link insulating sleeve 28 rely on its boss 261 respectively, 281 are limited in ground connection isolation fixed head 22.
Similar, as shown in Figure 5, the ground connection isolation fixed head 15 of described socket 1 is also made up of a discoidal main body 151 and a cover plate 152, fixes by such as set bolt and nut; Correspond, the middle part of described phase line sleeve insulating sleeve 16 and ground wire plug bush insulating sleeve 18 is respectively equipped with a circle boss (not shown), upon assembly, the boss of phase line sleeve insulating sleeve 16 and ground wire plug bush insulating sleeve 18 lays respectively in the main body 121 of ground connection isolation fixed head 12, after cover plate 122 covers, phase line sleeve insulating sleeve 16 and ground wire plug bush insulating sleeve 18 rely on its boss to be limited in ground connection isolation fixed head 15 respectively.
The ring flange 13 of described socket 1 and the ring flange 25 of plug offer corresponding fixing hole (not shown) respectively, for being fixed by such as bolt, nut.Preferably, the outer rim of described ground connection isolation fixed head 15 is provided with a breach 153 (Fig. 2), accordingly, the inwall of the ring flange 13 of described socket 1 is provided with a projection (not shown), like this, when assembled, the projection 131 of the breach 153 and socket flange dish 13 that ground connection need be isolated fixed head 15 aligns, thus avoids assembling that deviation occurs.Certainly, also can arrange breach and arrange projection on socket flange dish 13 on ground connection isolation fixed head 15, can reach the effect avoiding deviation occurs equally, this is apparent.
Embodiment 2
As shown in Figure 6, second embodiment of the present utility model, is a mine flameproof high-voltage cable joint, can plugs with the socket of embodiment 1.As shown in the figure, described joint comprises housing 3, the both sides of housing 3 are provided with ring flange 31, the inside of housing 3 is then provided with a ground connection isolation fixed head 32, this ground connection isolation fixed head 32 offers several through holes 38, be inserted with phase line sleeve insulating sleeve 34 and ground wire plug bush insulating sleeve 33 in through hole 38, wherein phase line sleeve insulating sleeve 34 is inserted with phase line inserted link 341, is inserted with ground wire inserted link 331 in ground wire plug bush insulating sleeve 33.The outer wall of described phase line sleeve insulating sleeve 34 and ground wire plug bush insulating sleeve 33 is provided with boss 36, identical with embodiment 1, described ground connection isolation fixed head 32 is also made up of a discoidal main body and a cover plate, utilizes boss 36 by phase line sleeve insulating sleeve 34 and ground wire plug bush insulating sleeve 33 is spacing is fixed in ground connection isolation fixed head 32.The two ends of described phase line inserted link insulating sleeve 34 are all set to double-decker, this double-deck centre is annular groove 35, like this, when socket and joint grafting, the front end of the phase line sleeve insulating sleeve of described socket is inserted in the double-deck annular groove 35 of phase line inserted link insulating sleeve 34 just, can realize the effect increasing electric clearance and creepage distance equally.
Because the joint both sides of the present embodiment all can grafting socket, therefore very easy to use.Further, the outer wall of described ground connection isolation fixed head 32 can arrange one or more breach 37 further, for contraposition, thus convenient correct assembling.
Embodiment 3
In the utility model, described phase line inserted link insulating sleeve 24 is polytetrafluoroethylmaterial material with the material selected by phase line sleeve insulating sleeve 14, preferred material after being through lot of experiments.
The present embodiment respectively polypropylene, polytetrafluoroethylene and industrial ceramics is material, and make phase line inserted link insulating sleeve and phase line sleeve insulating sleeve, then test respectively its physical property, result as shown in the following Table 1.
Table 1
From the heat resistance listed by table 1 and impact-resistant result, using polytetrafluoroethylene as the material of phase line inserted link insulating sleeve and phase line sleeve insulating sleeve, the performance index of the product of acquisition are best, therefore have selected polytetrafluoroethylene.
In addition, the material of flame proof jack housing of the present utility model and flame proof plug body, also preferably adopts tin bronze ZQSn-6-6-6 cast mold by test.
After tested, mine flameproof high-voltage cable connector of the present utility model, its minimum creep distance reaches 140mm, and minimum electric clearance reaches 100mm.
The utility model adopts polytetrafluoroethylene material to make phase line inserted link insulating sleeve and phase line sleeve insulating sleeve, eliminate encapsulating in the electric clearance of socket insulating part and plug insulating part, and electric clearance on the electric clearance recorded on socket insulating part and creepage distance and plug insulating part and creepage distance all reach the standard of GB GB3836.

Claims (9)

1. a mine flameproof high-voltage cable connector, comprises socket and plug, it is characterized in that:
Described socket comprises flame proof jack housing, the inside of described flame proof jack housing is wire connection cavity, front end is then provided with a ring flange, this ring flange front end is provided with a cannulate, this cannulate is fixed on the inside of ring flange and stretches out ring flange, and be provided with a ground connection isolation fixed head in cannulate, this ground connection isolation fixed head is provided with several through holes, be inserted with phase line sleeve insulating sleeve in through hole, in phase line sleeve insulating sleeve, be provided with phase line sleeve;
Described plug comprises flame proof plug body, described flame proof plug body inside is provided with a ground connection isolation fixed head, be wire connection cavity after this ground connection isolation fixed head, be cannulate above, the front end of cannulate is provided with ring flange, this ground connection isolation fixed head is provided with several through holes, is inserted with phase line inserted link insulating sleeve, is provided with phase line inserted link in phase line inserted link insulating sleeve in through hole;
The phase line sleeve insulating sleeve of described socket and phase line sleeve match with the phase line inserted link insulating sleeve of described plug and phase line inserted link respectively, and when phase line inserted link insulating sleeve is inserted in phase line sleeve insulating sleeve, phase line inserted link inserts phase line sleeve just.
2. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterized in that, the front portion of described phase line inserted link insulating sleeve is double-decker, this double-deck centre is annular groove, when a plug is to be inserted into the socket, the front end of the phase line sleeve insulating sleeve of described socket is inserted in the double-deck annular groove of phase line inserted link insulating sleeve front portion just.
3. mine flameproof high-voltage cable connector as claimed in claim 1, is characterized in that, is also inserted with ground wire plug bush insulating sleeve, is provided with ground wire plug bush in ground wire plug bush insulating sleeve in the through hole of the ground connection isolation fixed head of described socket; Accordingly, be also inserted with ground wire inserted link insulating sleeve in the through hole of the ground connection isolation fixed head of described plug, in ground wire inserted link insulating sleeve, be provided with ground wire inserted link.
4. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterized in that, the ground connection isolation fixed head of described socket is made up of a discoidal main body and a cover plate, correspond, the middle part of described phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is respectively equipped with a circle boss, upon assembly, phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve boss lay respectively in the main body of ground connection isolation fixed head, after cover plate covers, phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve rely on its boss to be limited in ground connection isolation fixed head respectively.
5. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterized in that, the ground connection isolation fixed head of described plug is made up of a discoidal main body and a cover plate, correspond, the middle part of described phase line inserted link insulating sleeve and ground wire inserted link insulating sleeve is respectively equipped with a circle boss, upon assembly, the boss of described phase line inserted link insulating sleeve and ground wire inserted link insulating sleeve lays respectively in the main body of ground connection isolation fixed head, after cover plate covers, phase line inserted link insulating sleeve and ground wire inserted link insulating sleeve rely on its boss to be limited in ground connection isolation fixed head respectively.
6. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterized in that, the inwall of the ring flange of described socket is provided with a projection, and accordingly, the outer rim of described ground connection isolation fixed head is provided with a breach.
7. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterized in that, the inwall of the ring flange of described socket is provided with a breach, and accordingly, the outer rim of described ground connection isolation fixed head is provided with a projection.
8. a mine flameproof high-voltage cable joint, it is characterized in that, described joint comprises housing, the both sides of this housing are provided with ring flange, the inside of housing is then provided with a ground connection isolation fixed head, this ground connection isolation fixed head offers several through holes, phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is inserted with in through hole, wherein be inserted with phase line inserted link in phase line sleeve insulating sleeve, ground wire inserted link is inserted with in ground wire plug bush insulating sleeve, the two ends of described phase line inserted link insulating sleeve are all set to double-decker, and this double-deck centre is annular groove.
9. mine flameproof high-voltage cable joint as claimed in claim 8, it is characterized in that, the outer wall of described phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is provided with boss, described ground connection isolation fixed head is made up of a discoidal main body and a cover plate, utilizes boss by phase line sleeve insulating sleeve and ground wire plug bush insulating sleeve is spacing is fixed in ground connection isolation fixed head.
CN201420872812.0U 2014-12-29 2014-12-29 A kind of mine flameproof high-voltage cable connector Withdrawn - After Issue CN204333370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420872812.0U CN204333370U (en) 2014-12-29 2014-12-29 A kind of mine flameproof high-voltage cable connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420872812.0U CN204333370U (en) 2014-12-29 2014-12-29 A kind of mine flameproof high-voltage cable connector

Publications (1)

Publication Number Publication Date
CN204333370U true CN204333370U (en) 2015-05-13

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CN201420872812.0U Withdrawn - After Issue CN204333370U (en) 2014-12-29 2014-12-29 A kind of mine flameproof high-voltage cable connector

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105811143A (en) * 2014-12-29 2016-07-27 上海翔洲电气科技有限公司 Mining explosion-proof type high voltage cable connector
CN110112599A (en) * 2019-06-12 2019-08-09 四川永贵科技有限公司 A kind of power connector suitable for high current

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105811143A (en) * 2014-12-29 2016-07-27 上海翔洲电气科技有限公司 Mining explosion-proof type high voltage cable connector
CN105811143B (en) * 2014-12-29 2023-06-20 上海翔洲电气科技有限公司 Mining flame-proof type high-voltage cable connector
CN110112599A (en) * 2019-06-12 2019-08-09 四川永贵科技有限公司 A kind of power connector suitable for high current

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