CN102290941A - High-pressure explosion-proof type three-phase asynchronous motor - Google Patents
High-pressure explosion-proof type three-phase asynchronous motor Download PDFInfo
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- CN102290941A CN102290941A CN201110258159XA CN201110258159A CN102290941A CN 102290941 A CN102290941 A CN 102290941A CN 201110258159X A CN201110258159X A CN 201110258159XA CN 201110258159 A CN201110258159 A CN 201110258159A CN 102290941 A CN102290941 A CN 102290941A
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Abstract
The invention relates to a high-pressure explosion-proof type three-phase asynchronous motor, which comprises a base cylinder body, a front end cover, a rear end cover, a rotating shaft and a support seat, wherein a high-pressure junction box support and an auxiliary junction box support are arranged on the base cylinder body; the inner sides of matching parts between the rotating shaft and the front end cover and between the rotating shaft and the rear end cover are respectively provided with a bearing inner cover and a twisty ring which is matched with the bearing inner cover to form into a twisty explosion-proof adjoining face structure; the mouth matching part between an end ring and an end cover of the base cylinder body is a plane explosion-proof structure, the explosion-proof length is 28-32mm, and the explosion-proof gap is 0.05-0.07mm. The three-phase asynchronous motor has the following beneficial effects that the three-phase asynchronous motor can bear a 2.0Mpa hydraulic (explosion) pressure; the explosion-proof combining surface is less, and a necessary explosion-proof adjoining surface complies with the strict explosion-proof gap requirement; and the three-phase asynchronous motor can be safely and reliably applied to the chemical places containing gases with large explosion energy such as hydrogen, acetylene and the like.
Description
Technical field
The present invention relates to the flame-proof electric motor field, be specifically related to a kind of high voltage flameproof threephase asynchronous.
Background technology
Flameproof motor (flameproof motor) is to adopt flameproof enclosure and the explosion-proof motor of related measure, can bear the flammable mixtures that is penetrated into enclosure by any composition surface of shell or gap and not damage, and can not cause lighting of extraneous explosion environment at internal explosion.
The flameproof enclosure of explosion-proof motor is made up of each flame proof part, and the flame proof part comprises: support, end cap, axle (rotor), internal bearing cover, terminal box etc. are outwards to propagate by the flame flash-back prevention flame of flameproof joint between each part.The flameproof joint structure that explosion-proof motor is commonly used comprises seam composition surface, plane engaging surface, rotating shaft composition surface, cylinder composition surface and threads engage face.The flameproof joint parameter comprises flame flash-back length (representing with L and l), gap (representing with ic) and roughness (Ra value).
" GB 3836.3-2010 explosive gas atmosphere electrical installation part 2: INCREASEDSAFETY " e " " put teeth in from August, 2011, caused INCREASEDSAFETY motor test difficulty to strengthen, the product of original a lot of specifications and models even can not regenerate product or use, the manufacturing of fertile specifications and models product and operating cost also significantly increase, and a lot of at present INCREASEDSAFETY motors that are applied in the past explosion-proof II district have to adopt flame-proof type ExdIIC explosive-proof grade motor." GB 3836.1-2010 explosive gas atmosphere electrical installation part 1: general requirement " and " GB 3836.2-2010 explosive gas atmosphere electrical installation part 2: flame-proof type " d " " put teeth in from August, 2011, to explosion-proof motor particularly the fire-proof motor of ExdIIC level harsher test requirements document has been proposed, will be such as flameproof enclosure (explosion-proof part) by hydraulic pressure (blast) pressure test of 2.0Mpa.
The ExdIICT4 explosion separation motor is mainly used in the chemical industry place of the huge gas of explosion energies such as hydrogen, acetylene, and how producing the explosion-proof motor that is applicable to this place is the electric manufacturing problem demanding prompt solution.Be used in ExdIICT4 explosion separation motor key technology and be support, the high-pressure large-capacity support wants to bear hydraulic pressure (blast) pressure of 2.0Mpa; Simultaneously, support will reduce the flame proof faying face as far as possible, and requisite flame proof faying face will meet harsh flameproof gap requirement.
Summary of the invention
It is few and can bear the high voltage flameproof threephase asynchronous of the blast pressure of 2.0Mpa that the technical problem to be solved in the present invention provides a kind of flame proof faying face.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of high voltage flameproof threephase asynchronous, comprise support cylindrical shell, front end housing, rear end cap, rotating shaft and bearing, described support cylindrical shell is provided with high-voltage connection box bearing and auxiliary connection box bearing, the curved path ring that is respectively equipped with internal bearing cover in the inboard, cooperation place of described rotating shaft and front end housing and rear end cap and is complementary, the two forms bent road formula flameproof joint structure; The seam cooperation place of the end ring of described support cylindrical shell and end cap is the plane explosion separation structure, its flame proof length 28～32mm, and the flame proof gap is 0.05～0.07mm.
Described bent road formula flameproof joint structure is the single line structure, and the bent road of the flame proof of described internal bearing cover and rotating shaft flame proof length is between 15～70mm, and the flame proof gap is 0.23～0.27mm.
Described bent road formula flameproof joint structure is the hyperbolic line structure, the bent road of described curved path ring and internal bearing cover flame proof flame proof length is between 18～40mm, the flame proof gap is 0.3～0.5mm, and the bent road of the flame proof of internal bearing cover and rotating shaft flame proof length is between 15～70mm, and the flame proof gap is 0.34～0.36mm.
When motor adopts curved path ring, the flame proof gap is an interstice coverage, the flameproof joint of rotor and internal bearing cover need adopt above special fit clearance and length of fit, its fit clearance is very crucial, and it can satisfy flame proof in the new standard and require and can satisfy motor operation needs.And if design is talked about improperly, or can cause explosion insulation performance to lose efficacy, or the motor seize can not be moved.
For seam cooperates, the composition surface of the two is an explosion suppresion surface between described high-voltage connection box bearing and the terminal box.
For seam cooperates, the composition surface of the two is an explosion suppresion surface between described auxiliary connection box bearing and the terminal box.
For seam cooperates, all connect between described high-voltage connection box bearing and the terminal box, between described auxiliary connection box bearing and the terminal box by securing member.
Described support cylindrical shell and bearing are the Contiuum type structure.
Described support cylindrical shell and bearing are made by steel plate Q235A.
The present invention has actively useful effect:
1. can bear hydraulic pressure (blast) pressure of 2.0Mpa;
The flame proof faying face seldom, and requisite flame proof faying face will meet harsh flameproof gap requirement;
3. under the chemical industry place and similar operational environment that are applied to the huge gas of explosion energies such as hydrogen, acetylene that can be safe and reliable.
Description of drawings
Fig. 1 is a kind of end view of high voltage flameproof threephase asynchronous;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the structural representation of support among Fig. 1.
1 is high-voltage connection box bearing among the figure, and 2,3,4,5,6 is the flame proof faying face, and 7 is auxiliary connection box bearing, 8,9 is the support seam, and 10 is the support cylindrical shell, and 11 is footing piece, 12 rotating shafts, 13,26 is fore bearing mechanism, 14 is front end housing, 15,22 is internal bearing cover, and 16,23 is curved path ring, and 17,18,24,25,27 is flameproof joint, 19 is stator, and 20 is rotor, and 21 is rear end cap, 28 is end shield, and 29 is external fan.
Embodiment
Further set forth the present invention below in conjunction with specific embodiment, but be not to be qualification protection range of the present invention.
1 one kinds of high voltage flameproof threephase asynchronouses of embodiment, referring to Fig. 1, Fig. 2, Fig. 3, comprise support cylindrical shell 10, front end housing 14, rear end cap 21, rotating shaft 12 and bearing, support cylindrical shell 10 and footing piece 11 fuse by support plate, support cylindrical shell 10 is provided with high-voltage connection box bearing 1 and auxiliary connection box bearing 7, inboard, cooperation place at rotating shaft 12 and front end housing 14 and rear end cap 21 is respectively equipped with internal bearing cover 15,22 and the curved path ring 16 that is complementary, 23, the bent road formula flameproof joint structure at the formation two ends of the two coupling (adopts the hyperbolic line structure, the bent road of curved path ring and internal bearing cover flame proof flame proof length is between 18～40mm, the flame proof gap is about 0.4mm, and the bent road of the flame proof flame proof length of internal bearing cover and axle is between 15～70mm, the flame proof gap is about 0.35mm), the support seam 8 that the end ring of support cylindrical shell 10 is connected with end cap, 9 is the plane explosion separation structure, flameproof joint adopts very narrow tolerance range (about flame proof length 30mm, about the 0.06mm of flame proof gap), explosion separation structure cooperates between high-voltage connection box bearing 1 and the terminal box, 2,3 constitute seam flame proof faying face, adopt securing member to connect.Cooperate for seam between auxiliary connection box bearing 7 and stator measuring temperature of bearing terminal box and the heater connection box, connect by securing member, wherein flame proof faying face 4,6 forms the explosion separation structure of stator measuring temperature of bearing terminal box seam, and flame proof faying face 5,6 forms the explosion separation structure of heater connection box seam.The bearing that support cylindrical shell 10 and footing piece 11 and support plate are constituted is made by steel plate Q235A.
2 one kinds of high voltage flameproof threephase asynchronouses of embodiment, substantially the same manner as Example 1, difference is: bent road formula flameproof joint structure adopts the single line structure, and the bent road of the flame proof flame proof length of internal bearing cover and axle is between 15～70mm, and the flame proof gap is about 0.25mm.
Change each the concrete parameters of structural dimension in the foregoing description, perhaps parts be equal to replacement etc., can form a plurality of specific embodiments, be common excursion of the present invention, describe in detail no longer one by one at this.
Claims (8)
1. high voltage flameproof threephase asynchronous, comprise support cylindrical shell, front end housing, rear end cap, rotating shaft and bearing, described support cylindrical shell is provided with high-voltage connection box bearing and auxiliary connection box bearing, it is characterized in that, the curved path ring that is respectively equipped with internal bearing cover in the inboard, cooperation place of described rotating shaft and front end housing and rear end cap and is complementary, the two forms bent road formula flameproof joint structure; The seam cooperation place of the end ring of described support cylindrical shell and end cap is the plane explosion separation structure, its flame proof length 28～32mm, and the flame proof gap is 0.05～0.07mm.
2. high voltage flameproof threephase asynchronous according to claim 1, it is characterized in that, described bent road formula flameproof joint structure is the single line structure, and the bent road of the flame proof of described internal bearing cover and rotating shaft flame proof length is between 15～70mm, and the flame proof gap is 0.23～0.27mm.
3. high voltage flameproof threephase asynchronous according to claim 1, it is characterized in that, described bent road formula flameproof joint structure is the hyperbolic line structure, the bent road of described curved path ring and internal bearing cover flame proof flame proof length is between 18～40mm, the flame proof gap is 0.3～0.5mm, and the bent road of the flame proof of internal bearing cover and rotating shaft flame proof length is between 15～70mm, and the flame proof gap is 0.34～0.36mm.
4. according to claim 1,2 or 3 described high voltage flameproof threephase asynchronouses, it is characterized in that for seam cooperates, the composition surface of the two is an explosion suppresion surface between described high-voltage connection box bearing and the terminal box.
5. according to claim 1,2 or 3 described high voltage flameproof threephase asynchronouses, it is characterized in that for seam cooperates, the composition surface of the two is an explosion suppresion surface between described auxiliary connection box bearing and the terminal box.
6. according to claim 1,2 or 3 described high voltage flameproof threephase asynchronouses, it is characterized in that, for seam cooperates, and all connect between described high-voltage connection box bearing and the terminal box, between described auxiliary connection box bearing and the terminal box by securing member.
7. according to claim 1,2 or 3 described high voltage flameproof threephase asynchronouses, it is characterized in that described support cylindrical shell and bearing are the Contiuum type structure.
8. according to claim 1,2 or 3 described high voltage flameproof threephase asynchronouses, it is characterized in that described support cylindrical shell and bearing are made by steel plate Q235A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110258159XA CN102290941A (en) | 2011-09-02 | 2011-09-02 | High-pressure explosion-proof type three-phase asynchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110258159XA CN102290941A (en) | 2011-09-02 | 2011-09-02 | High-pressure explosion-proof type three-phase asynchronous motor |
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| CN102290941A true CN102290941A (en) | 2011-12-21 |
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| CN201110258159XA Pending CN102290941A (en) | 2011-09-02 | 2011-09-02 | High-pressure explosion-proof type three-phase asynchronous motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150015513A (en) * | 2012-05-22 | 2015-02-10 | 게아 미케니컬 이큅먼트 게엠베하 | Drive apparatus for a separator arrangement |
| CN104716769A (en) * | 2013-12-11 | 2015-06-17 | 东芝三菱电机产业系统株式会社 | Rotary motor |
| CN105782068A (en) * | 2015-01-13 | 2016-07-20 | 苏尔寿管理有限公司 | Submersible pump and bearing arrangement |
| CN107317424A (en) * | 2017-07-28 | 2017-11-03 | 卧龙电气集团股份有限公司 | A kind of high pressure composite anti-explosion type threephase asynchronous |
| CN108616188A (en) * | 2016-12-12 | 2018-10-02 | 西门子公司 | Explosion separation motor |
| CN110646130A (en) * | 2019-09-26 | 2020-01-03 | 中煤科工集团唐山研究院有限公司 | Motor dragging type explosion-proof motor explosion pressure measuring test device and method |
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| CN201717708U (en) * | 2010-07-15 | 2011-01-19 | 南阳防爆集团股份有限公司 | Explosion-proof motor |
| CN202190169U (en) * | 2011-09-02 | 2012-04-11 | 南阳防爆集团股份有限公司 | High-pressure flame-proof three-phase asynchronous motor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150015513A (en) * | 2012-05-22 | 2015-02-10 | 게아 미케니컬 이큅먼트 게엠베하 | Drive apparatus for a separator arrangement |
| EP2852466B1 (en) | 2012-05-22 | 2019-04-24 | GEA Mechanical Equipment GmbH | Drive apparatus for a separator arrangement |
| KR102107259B1 (en) * | 2012-05-22 | 2020-05-06 | 게아 미케니컬 이큅먼트 게엠베하 | Drive apparatus for a separator arrangement |
| CN104716769A (en) * | 2013-12-11 | 2015-06-17 | 东芝三菱电机产业系统株式会社 | Rotary motor |
| CN104716769B (en) * | 2013-12-11 | 2017-05-31 | 东芝三菱电机产业系统株式会社 | Electric rotating machine |
| CN105782068A (en) * | 2015-01-13 | 2016-07-20 | 苏尔寿管理有限公司 | Submersible pump and bearing arrangement |
| US10527048B2 (en) | 2015-01-13 | 2020-01-07 | Sulzer Management Ag | Submersible pump and bearing arrangement |
| CN105782068B (en) * | 2015-01-13 | 2020-05-01 | 苏尔寿管理有限公司 | Submersible pump and bearing arrangement |
| CN108616188A (en) * | 2016-12-12 | 2018-10-02 | 西门子公司 | Explosion separation motor |
| CN107317424A (en) * | 2017-07-28 | 2017-11-03 | 卧龙电气集团股份有限公司 | A kind of high pressure composite anti-explosion type threephase asynchronous |
| CN110646130A (en) * | 2019-09-26 | 2020-01-03 | 中煤科工集团唐山研究院有限公司 | Motor dragging type explosion-proof motor explosion pressure measuring test device and method |
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Application publication date: 20111221 |