CN105811143A - Mining explosion-proof type high voltage cable connector - Google Patents
Mining explosion-proof type high voltage cable connector Download PDFInfo
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- CN105811143A CN105811143A CN201410842227.0A CN201410842227A CN105811143A CN 105811143 A CN105811143 A CN 105811143A CN 201410842227 A CN201410842227 A CN 201410842227A CN 105811143 A CN105811143 A CN 105811143A
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- phase line
- sleeve
- insulated sleeve
- fixing plate
- inserted link
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Abstract
Provided is a mining explosion suppression type high voltage cable connector, comprising a socket and a plug, wherein the socket comprises a flame-proof socket housing, the interior of the housing is a wiring chamber, and the front end is provided with a flange plate; the front end of the flange plate is provided with a plugging sleeve fixed in the flange plate and extending out of the flange plate; the plugging sleeve is internally provided with a grounding isolation fixing plate; and the grounding isolation fixing plate is provided with a plurality of through holes, in which a phase line plugging insulation sleeve is arranged; and a phase line plugging sleeve is arranged in the phase line plugging insulation sleeve. The plug comprises an explosion-proof plug housing, in which a grounding isolation fixing plate is arranged; the rear of the grounding isolation fixing plate is a wiring chamber, and the front end of the grounding isolation fixing plate is a plugging sleeve; the front end of the plugging sleeve is provided with a flange plate; the grounding isolation fixing plate is provided with a plurality of through holes, in which a phase line inserting rod insulation sleeve is arranged; and the phase line inserting rod insulation sleeve is internally provided with a phase line inserting rod. The mining explosion suppression type high voltage cable connector has a compact structure; electrical gaps and creepage distances are greatly improved.
Description
Technical field
The invention belongs to mine cable connector technique field, specifically, be about a kind of mine flameproof high-voltage cable connector.
Background technology
Mine flameproof high-voltage cable connector, it is mainly used in underground coal mine and around has in the environment of the explosive gas mixture such as coal dust, methane, in power system, as the connecting device controlling cable and flameproof electrical switchgear cabinet, it is possible to use as information communications cable connector at underground coal mine.
During in-site installation cable, it is necessary to cable is installed on the plug of cable connector.During use, will install the plug insertion socket of cable.Existing cable connector, its plug and socket all includes shell and is arranged at the insulating part of housing front, and 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 comparatively laborious.And, plug is little with the position creep age distance of female contact and electric clearance, often cannot meet high voltage bearing requirement, therefore, it is necessary to improved.
Summary of the invention
The purpose of the present invention is that offer mine flameproof high-voltage cable connector, the problem inconvenient to solve existing cable adapter downhole operations.
For achieving the above object, the present invention is by the following technical solutions:
A kind of mine flameproof high-voltage cable connector, including socket and plug, wherein:
Described socket includes 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, it is cannulated that this ring flange front end is provided with one, ring flange is also stretched out in this cannulated inside being fixed on ring flange, is provided with a fixing plate of ground connection isolation in cannulated, and the fixing plate of this ground connection isolation is provided with several through holes, it is inserted with phase line sleeve insulated sleeve in through hole, in phase line sleeve insulated sleeve, is provided with phase line sleeve；
Described plug includes flame proof plug body, a fixing plate of ground connection isolation it is provided with inside described flame proof plug body, it is wire connection cavity after the fixing plate of this ground connection isolation, it is above cannulated, cannulated front end is provided with ring flange, the fixing plate of this ground connection isolation is provided with several through holes, is inserted with phase line inserted link insulated sleeve, is provided with phase line inserted link in phase line inserted link insulated sleeve in through hole；
The phase line sleeve insulated sleeve of described socket and phase line sleeve match with the phase line inserted link insulated sleeve of described plug and phase line inserted link respectively, and when making phase line inserted link insulated sleeve insert in phase line sleeve insulated sleeve, phase line inserted link inserts phase line sleeve just.
According to a preferred embodiment of the invention, the front portion of described phase line inserted link insulated 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 insulated sleeve of described socket is inserted in the double-deck annular groove that phase line inserted link insulated sleeve is anterior just.
Further, also it is inserted with ground wire plug bush insulated sleeve in the through hole of the fixing plate of ground connection isolation of described socket, in ground wire plug bush insulated sleeve, is provided with ground wire plug bush；Accordingly, also it is inserted with ground wire inserted link insulated sleeve in the through hole of the fixing plate of ground connection isolation of described plug, in ground wire inserted link insulated sleeve, is provided with ground wire inserted link.
According to the present invention, the fixing plate of ground connection isolation of described socket is made up of a discoidal main body and a cover plate, correspond, the middle part of described phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve is respectively equipped with a circle boss, upon assembly, phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve boss lay respectively in the main body of the fixing plate of ground connection isolation, after on cover plate lid, phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve rely on its boss to be limited in the fixing plate of ground connection isolation respectively.
Accordingly, the fixing plate of ground connection isolation 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 insulated sleeve and ground wire inserted link insulated sleeve is respectively equipped with a circle boss, upon assembly, the boss of described phase line inserted link insulated sleeve and ground wire inserted link insulated sleeve lays respectively in the main body of the fixing plate of ground connection isolation, and after on cover plate lid, phase line inserted link insulated sleeve and ground wire inserted link insulated sleeve rely on its boss to be limited in the fixing plate of ground connection isolation 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 the fixing plate of described ground connection isolation is provided with a breach.
As a kind of interchangeable scheme, it is also possible to be provided with a breach on the inwall of the ring flange of described socket, accordingly, the outer rim of the fixing plate of described ground connection isolation is provided with a projection.
According to a preferred embodiment of the invention, described phase line inserted link insulated sleeve is politef with the material of phase line sleeve insulated sleeve.
Tin bronze ZQSn-6-6-6 cast mold is adopted according to another preferred embodiment, described flame proof jack housing and flame proof plug body.
The second aspect of the invention, provide a kind of mine flameproof high-voltage cable joint, described joint includes housing, the both sides of this housing are provided with ring flange, the inside of housing is then provided with a fixing plate of ground connection isolation, the fixing plate of this ground connection isolation offers several through holes, phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve it is inserted with in through hole, wherein it is inserted with phase line inserted link in phase line sleeve insulated sleeve, ground wire inserted link it is inserted with in ground wire plug bush insulated sleeve, the two ends of described phase line inserted link insulated sleeve are all set to double-decker, this double-deck centre is annular groove.
Further, the outer wall of described phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve is provided with boss, the fixing plate of described ground connection isolation is made up of a discoidal main body and a cover plate, utilizes boss to be fixed on spacing to phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve in the fixing plate of ground connection isolation.
According to a preferred embodiment of the invention, described phase line inserted link insulated sleeve is politef with the material of phase line sleeve insulated sleeve.
According to another preferred embodiment, the shell of described mine flameproof high-voltage cable joint adopts tin bronze ZQSn-6-6-6 cast mold.
The mine flameproof high-voltage cable connector of the present invention and cable connector, it provides the benefit that:
1, when its reasonable in design, plug-assembly and jack assemblies connect, it is not necessary to encapsulating；
2, politef is high temperature high-pressure resistant material, and stable in properties is corrosion-resistant；
3, polytetrafluoroethylmaterial material is adopted, more compact in its structure；
4, groove is set on socket insulating part so that it is creep age distance is longer, improves the security performance of cable connector；
5, the electric clearance of plug insulating part and socket insulating part and creep age distance all reach the requirement of GB3836.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mine flameproof high-voltage cable connector of the present invention.
Fig. 2 is the sectional view of the mine flameproof high-voltage cable connector of the present invention.
Fig. 3 is the sectional view of mine flameproof high-voltage cable connector plug portion.
Fig. 4 is the structural representation of the fixing plate of ground connection isolation of socket.
Fig. 5 is the structural representation of the fixing plate of ground connection isolation of plug.
Fig. 6 is the sectional view of the mine flameproof high-voltage cable joint of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, with specific embodiment, the mine flameproof high-voltage cable connector of the present invention is described in further detail, it should be appreciated that following example are merely to illustrate the present invention not for limiting the scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the mine flameproof high-voltage cable connector of the present invention includes socket 1 and plug 2, wherein:
Described socket 1 includes 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 one cannulated 14, this cannulated 14 is fixed on the inside of ring flange 13 and stretches out ring flange 13, is provided with a fixing plate 15 of ground connection isolation in cannulated 14, and the fixing plate 15 of this ground connection isolation is provided with several through holes 150, it is inserted with phase line sleeve insulated sleeve 16 in through hole 150, in phase line sleeve insulated sleeve 16, is provided with phase line sleeve 17；
Described plug 2 includes flame proof plug body 21, described flame proof plug body 21 is internal is provided with a fixing plate 22 of ground connection isolation, it is wire connection cavity 23 after the fixing plate 22 of this ground connection isolation, it is above cannulated 24, the front end of cannulated 24 is provided with ring flange 25, the fixing plate 22 of this ground connection isolation is provided with several through holes 220, is inserted with phase line inserted link insulated sleeve 26, is provided with phase line inserted link 27 in phase line inserted link insulated sleeve 26 in through hole 220；
The phase line sleeve insulated sleeve 16 of described socket 1 and phase line sleeve 17 match with the phase line inserted link insulated sleeve 26 of described plug 2 and phase line inserted link 27 respectively, when making phase line inserted link insulated sleeve 26 insert in phase line sleeve insulated 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 insulated 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 insulated sleeve 16 of described socket 1 is inserted in the double-deck annular groove 260 of phase line inserted link insulated sleeve 26 front portion just.Comparing existing single layer structure, the double-decker of phase line sleeve insulated sleeve 16 front portion makes the electric clearance of adapter and creep age distance obtain high significantly to promote, thus meeting high voltage bearing requirement.
Referring to figs. 2 and 3, also it is inserted with ground wire plug bush insulated sleeve 18 in the through hole 150 of the fixing plate 15 of ground connection isolation of described socket 1, in ground wire plug bush insulated sleeve 18, is provided with ground wire plug bush 19；Accordingly, also it is inserted with ground wire inserted link insulated sleeve 28 in the through hole 220 of the fixing plate 22 of ground connection isolation of described plug 2, in ground wire inserted link insulated sleeve 28, is provided with ground wire inserted link 29.
As shown in Figure 3 and Figure 4, the fixing plate 22 of ground connection isolation of described plug 2 is made up of a discoidal main body 221 and a cover plate 222, can pass through such as to fix bolts and nuts to fix, correspond, the middle part of described phase line inserted link insulated sleeve 26 and ground wire inserted link insulated sleeve 28 is respectively equipped with a circle boss 261, 281, upon assembly, boss 261, 281 main bodys 221 being positioned at the fixing plate 22 of ground connection isolation, after cover plate 222 covers, phase line inserted link insulated sleeve 26 and ground wire inserted link insulated sleeve 28 rely on its boss 261 respectively, 281 are limited in the fixing plate 22 of ground connection isolation.
Similar, as it is shown in figure 5, the fixing plate 15 of ground connection isolation of described socket 1 is also made up of a discoidal main body 151 and a cover plate 152, can pass through such as to fix bolts and nuts and fix；Correspond, the middle part of described phase line sleeve insulated sleeve 16 and ground wire plug bush insulated sleeve 18 is respectively equipped with a circle boss (not shown), upon assembly, the boss of phase line sleeve insulated sleeve 16 and ground wire plug bush insulated sleeve 18 lays respectively in the main body 121 of the fixing plate 12 of ground connection isolation, after cover plate 122 covers, phase line sleeve insulated sleeve 16 and ground wire plug bush insulated sleeve 18 rely on its boss to be limited in the fixing plate 15 of ground connection isolation respectively.
The ring flange 13 of described socket 1 and the ring flange 25 of plug offer corresponding fixing hole (not shown) respectively, for by such as bolt, nut are fixed.Preferably, the outer rim of the fixing plate 15 of described ground connection isolation 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), so, when assembled, the breach 153 of fixing for ground connection isolation plate 15 need to being alignd with the projection 131 of socket flange dish 13, thus avoiding assembling, deviation occurring.It is of course also possible to arrange breach on socket flange dish 13 and arrange projection on the fixing plate 15 of ground connection isolation, the equally possible effect reaching to avoid deviation, this is apparent from.
Embodiment 2
As shown in Figure 6, second embodiment of the present invention, it is a mine flameproof high-voltage cable joint, can plug with the socket of embodiment 1.As shown in the figure, described joint includes housing 3, the both sides of housing 3 are provided with ring flange 31, the inside of housing 3 is then provided with a fixing plate 32 of ground connection isolation, the fixing plate 32 of this ground connection isolation offers several through holes 38, being inserted with phase line sleeve insulated sleeve 34 and ground wire plug bush insulated sleeve 33 in through hole 38, wherein phase line sleeve insulated sleeve 34 is inserted with phase line inserted link 341, is inserted with ground wire inserted link 331 in ground wire plug bush insulated sleeve 33.The outer wall of described phase line sleeve insulated sleeve 34 and ground wire plug bush insulated sleeve 33 is provided with boss 36, identical with embodiment 1, the fixing plate 32 of described ground connection isolation is also made up of a discoidal main body and a cover plate, utilizes boss 36 to be fixed on spacing to phase line sleeve insulated sleeve 34 and ground wire plug bush insulated sleeve 33 in the fixing plate 32 of ground connection isolation.The two ends of described phase line inserted link insulated sleeve 34 are all set to double-decker, this double-deck centre is annular groove 35, so, when socket and joint grafting, the front end of the phase line sleeve insulated sleeve of described socket is inserted in the double-deck annular groove 35 of phase line inserted link insulated sleeve 34 just, the equally possible effect realizing increasing electric clearance and creep age distance.
Due to the present embodiment joint both sides all can grafting socket, therefore very easy to use.Further, the outer wall of the fixing plate 32 of described ground connection isolation can arrange one or more breach 37 further, for para-position, thus convenient correct assembling.
Embodiment 3
In the present invention, described phase line inserted link insulated sleeve 24 is polytetrafluoroethylmaterial material with the material selected by phase line sleeve insulated sleeve 14, is preferred material after lot of experiments.
The present embodiment polypropylene respectively, politef and industrial ceramics are material, make phase line inserted link insulated sleeve and phase line sleeve insulated sleeve, then its physical property are tested respectively, and result is as shown in the following Table 1.
Table 1
From the heat resistance listed by table 1 and impact-resistant result, the material using politef as phase line inserted link insulated sleeve Yu phase line sleeve insulated sleeve, it is thus achieved that the performance indications of product best, therefore have selected politef.
Additionally, the material of the flame proof jack housing of the present invention and flame proof plug body, preferably employ tin bronze ZQSn-6-6-6 cast mold also by test.
After tested, the mine flameproof high-voltage cable connector of the present invention, its minimum creep distance reaches 140mm, and minimum electric clearance reaches 100mm.
The present invention adopts politef material to make phase line inserted link insulated sleeve and phase line sleeve insulated sleeve, eliminate encapsulating in the electric clearance of socket insulating part and plug insulating part, and record the electric clearance on the electric clearance on socket insulating part and creep age distance and plug insulating part and creep age distance all reaches the standard of GB GB3836.
Claims (13)
1. a mine flameproof high-voltage cable connector, including socket and plug, it is characterised in that:
Described socket includes 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, it is cannulated that this ring flange front end is provided with one, ring flange is also stretched out in this cannulated inside being fixed on ring flange, is provided with a fixing plate of ground connection isolation in cannulated, and the fixing plate of this ground connection isolation is provided with several through holes, it is inserted with phase line sleeve insulated sleeve in through hole, in phase line sleeve insulated sleeve, is provided with phase line sleeve；
Described plug includes flame proof plug body, a fixing plate of ground connection isolation it is provided with inside described flame proof plug body, it is wire connection cavity after the fixing plate of this ground connection isolation, it is above cannulated, cannulated front end is provided with ring flange, the fixing plate of this ground connection isolation is provided with several through holes, is inserted with phase line inserted link insulated sleeve, is provided with phase line inserted link in phase line inserted link insulated sleeve in through hole；
The phase line sleeve insulated sleeve of described socket and phase line sleeve match with the phase line inserted link insulated sleeve of described plug and phase line inserted link respectively, and when making phase line inserted link insulated sleeve insert in phase line sleeve insulated 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 insulated 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 insulated sleeve of described socket is inserted in the double-deck annular groove that phase line inserted link insulated sleeve is anterior just.
3. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterised in that be also inserted with ground wire plug bush insulated sleeve in the through hole of the fixing plate of ground connection isolation of described socket, be provided with ground wire plug bush in ground wire plug bush insulated sleeve；Accordingly, also it is inserted with ground wire inserted link insulated sleeve in the through hole of the fixing plate of ground connection isolation of described plug, in ground wire inserted link insulated sleeve, is provided with ground wire inserted link.
4. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterized in that, the fixing plate of ground connection isolation of described socket is made up of a discoidal main body and a cover plate, correspond, the middle part of described phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve is respectively equipped with a circle boss, upon assembly, phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve boss lay respectively in the main body of the fixing plate of ground connection isolation, after on cover plate lid, phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve rely on its boss to be limited in the fixing plate of ground connection isolation respectively.
5. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterized in that, the fixing plate of ground connection isolation 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 insulated sleeve and ground wire inserted link insulated sleeve is respectively equipped with a circle boss, upon assembly, the boss of described phase line inserted link insulated sleeve and ground wire inserted link insulated sleeve lays respectively in the main body of the fixing plate of ground connection isolation, after on cover plate lid, phase line inserted link insulated sleeve and ground wire inserted link insulated sleeve rely on its boss to be limited in the fixing plate of ground connection isolation respectively.
6. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterised in that the inwall of the ring flange of described socket is provided with a projection, accordingly, the outer rim of the fixing plate of described ground connection isolation is provided with a breach.
7. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterised in that the inwall of the ring flange of described socket is provided with a breach, accordingly, the outer rim of the fixing plate of described ground connection isolation is provided with a projection.
8. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterised in that the material of described phase line inserted link insulated sleeve and phase line sleeve insulated sleeve is politef.
9. mine flameproof high-voltage cable connector as claimed in claim 1, it is characterised in that described flame proof jack housing and flame proof plug body adopt tin bronze ZQSn-6-6-6 cast mold.
10. a mine flameproof high-voltage cable joint, it is characterized in that, described joint includes housing, the both sides of this housing are provided with ring flange, the inside of housing is then provided with a fixing plate of ground connection isolation, the fixing plate of this ground connection isolation offers several through holes, phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve it is inserted with in through hole, wherein it is inserted with phase line inserted link in phase line sleeve insulated sleeve, ground wire inserted link it is inserted with in ground wire plug bush insulated sleeve, the two ends of described phase line inserted link insulated sleeve are all set to double-decker, and this double-deck centre is annular groove.
11. mine flameproof high-voltage cable joint as claimed in claim 10, it is characterized in that, the outer wall of described phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve is provided with boss, the fixing plate of described ground connection isolation is made up of a discoidal main body and a cover plate, utilizes boss to be fixed on spacing to phase line sleeve insulated sleeve and ground wire plug bush insulated sleeve in the fixing plate of ground connection isolation.
12. mine flameproof high-voltage cable joint as claimed in claim 11, it is characterised in that the material of described phase line inserted link insulated sleeve and phase line sleeve insulated sleeve is politef.
13. mine flameproof high-voltage cable joint as claimed in claim 11, it is characterised in that the shell of cable connector adopts tin bronze ZQSn-6-6-6 cast mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842227.0A CN105811143B (en) | 2014-12-29 | 2014-12-29 | Mining flame-proof type high-voltage cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842227.0A CN105811143B (en) | 2014-12-29 | 2014-12-29 | Mining flame-proof type high-voltage cable connector |
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| Publication Number | Publication Date |
|---|---|
| CN105811143A true CN105811143A (en) | 2016-07-27 |
| CN105811143B CN105811143B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410842227.0A Active CN105811143B (en) | 2014-12-29 | 2014-12-29 | Mining flame-proof type high-voltage cable connector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149293A (en) * | 2018-07-13 | 2019-01-04 | 中国煤炭科工集团太原研究院有限公司 | A kind of quick docking apparatus of coal mine explosion-proof articulated vehicle cable |
| CN109251447A (en) * | 2018-07-31 | 2019-01-22 | 中远海运科技股份有限公司 | The polytetrafluoroethylene material and its processing method of corona-resistant |
| CN111355098A (en) * | 2020-03-19 | 2020-06-30 | 南通市通州区三槐机械制造有限公司 | Mining explosion-proof high-voltage cable connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999012239A1 (en) * | 1997-08-28 | 1999-03-11 | Xiaoying Xu | Three-phase electrical cable plug-type connector |
| EP1746698A1 (en) * | 2005-07-19 | 2007-01-24 | Axel R. Hidde | Cable grommet with a membrane valve |
| CN203481413U (en) * | 2013-09-18 | 2014-03-12 | 上海翔洲电气科技有限公司 | Multi-core mining explosive-proof cable connector |
| CN204333370U (en) * | 2014-12-29 | 2015-05-13 | 上海翔洲电气科技有限公司 | A kind of mine flameproof high-voltage cable connector |
-
2014
- 2014-12-29 CN CN201410842227.0A patent/CN105811143B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999012239A1 (en) * | 1997-08-28 | 1999-03-11 | Xiaoying Xu | Three-phase electrical cable plug-type connector |
| EP1746698A1 (en) * | 2005-07-19 | 2007-01-24 | Axel R. Hidde | Cable grommet with a membrane valve |
| CN203481413U (en) * | 2013-09-18 | 2014-03-12 | 上海翔洲电气科技有限公司 | Multi-core mining explosive-proof cable connector |
| CN204333370U (en) * | 2014-12-29 | 2015-05-13 | 上海翔洲电气科技有限公司 | A kind of mine flameproof high-voltage cable connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149293A (en) * | 2018-07-13 | 2019-01-04 | 中国煤炭科工集团太原研究院有限公司 | A kind of quick docking apparatus of coal mine explosion-proof articulated vehicle cable |
| CN109251447A (en) * | 2018-07-31 | 2019-01-22 | 中远海运科技股份有限公司 | The polytetrafluoroethylene material and its processing method of corona-resistant |
| CN111355098A (en) * | 2020-03-19 | 2020-06-30 | 南通市通州区三槐机械制造有限公司 | Mining explosion-proof high-voltage cable connector |
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| Publication number | Publication date |
|---|---|
| CN105811143B (en) | 2023-06-20 |
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