CN103401343A - Integral mining explosion-proof generator - Google Patents
Integral mining explosion-proof generator Download PDFInfo
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- CN103401343A CN103401343A CN2013103231732A CN201310323173A CN103401343A CN 103401343 A CN103401343 A CN 103401343A CN 2013103231732 A CN2013103231732 A CN 2013103231732A CN 201310323173 A CN201310323173 A CN 201310323173A CN 103401343 A CN103401343 A CN 103401343A
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- bonnet
- protecgulum
- explosion
- proof
- mining explosion
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Abstract
The invention discloses an integral mining explosion-proof generator, which comprises a front cover and a rear cover, wherein the front cover and the rear cover are mutually buckled to form a motor cavity; a stator fixedly connected to the front cover or the rear cover and a rotor cooperated with the stator are arranged in the motor cavity; the rotor is fixedly connected with a spindle; the spindle penetrates out of the center shaft of the front cover and the rear cover; the front cover and the rear cover are in sealing connection in a sheathing mode; an explosion-proof sealing ring made of metal is arranged between the contact parts of the front cover and the rear cover; one side, which is near the front cover, of the rotor and one side, which is near the rear cover, of the rotor are both provided with air dialing sheets. The integral mining explosion-proof generator disclosed by the invention has the advantages of simple structure and low manufacture cost; the shell of the integral mining explosion-proof generator integrally adopts a sealing structure, and meanwhile, a sealing press cake is additionally arranged to improve the explosion-proof effect; a fan blade is additionally arranged to carry out auxiliary cooling on the motor shell; the working temperature of the motor is lowered; the motor output power is improved.
Description
Technical field
The present invention relates to a kind of integral mining explosion-proof power generator, belong to field of motor manufacturing.
Background technology
The application of motor is extremely extensive, but, because motor adopts electric energy as energy source, therefore very easily produces in use the danger such as electric spark.Some need to use the occasion of motor often to have a large amount of inflammable and explosive substances, and therefore common motor can't use in these occasions.
Application publication number is that the patent of CN102484407 discloses a kind of fire-proof motor, relates to a kind of explosion-proof, measuring body housing, and described housing has two area of space.Towards the outside of housing, described two area of space have the gap that an anti-igniting punctures.Between these two area of space, be furnished with measuring body squeeze sealing member.But the shell mechanism of this motor is complicated, manufacture difficulty, and by the gap that anti-igniting punctures, is undertaken explosion-proofly, only can prevent the blast that the electric spark of motor generation itself causes, and can't be suitable for worse occasion.
Summary of the invention
The present invention, for solving the prior art problem, provides a kind of simple in structure, better integral mining explosion-proof power generator of explosion-proof effect.
technical scheme of the present invention is: a kind of integral mining explosion-proof power generator, the protecgulum and the bonnet that comprise mutual fastening, described protecgulum and described bonnet fasten the formation motor cavity mutually, in described motor cavity, be provided with the rotor that is fixedly connected on the stator on described protecgulum or described bonnet and matches with this stator, described rotor is fixedly connected with rotating shaft, described rotating shaft goes out to pass from the central shaft of described protecgulum and described bonnet, between described protecgulum and bonnet, by the socket mode, seal connected, between the contact site of described protecgulum and bonnet, be provided with metal explosion-proof sealing ring, described rotor is provided with the air plectrum near a side of described protecgulum and a side of close described bonnet.
As preferably, described protecgulum and described bonnet are all cylindrical, the contact site of described protecgulum and described bonnet is provided with the front joint portion of a diameter greater than described protecgulum internal diameter, between described front joint portion and described protecgulum inwall, have a front step perpendicular to described protecgulum inwall, described explosion-proof sealing ring is fixedly installed on described front step; The contact site of described bonnet and described protecgulum is provided with the rear joint portion of a diameter less than described bonnet external diameter.
As preferably, described explosion-proof sealing ring is annular, between this explosion-proof sealing ring and described front joint portion, is interference fit.
As preferably, the internal diameter of described explosion-proof sealing ring is less than the internal diameter of described protecgulum.
As preferably, the inner surface of described front joint portion and the laminating of the intimate of described rear joint portion.
As preferably, described motor cavity inwall is fixedly installed driven unit, and this driven unit comprises adjuster and rectifier bridge.
As preferably, described air plectrum comprises near the front plectrum of described protecgulum with near the rear plectrum of described bonnet, described front plectrum and described rear plectrum to stir direction identical.
As preferably, the contact site of described rotating shaft and described protecgulum and described bonnet is equipped with the slipper seal cover, and described slipper seal cover is the copper endless loop.
As preferably, described rotating shaft is piercing in described bonnet place and is fixedly installed fan blade; Described fan blade is outside equipped with protective cover.
As preferably, the direction of described fan blade is sent to air described bonnet from the outside while for this fan blade, rotating; Described rear cap surface is provided with radiating fin.
With other explosion-proof power generators, compare, the present invention enters in electric machine casing by the inflammable and explosive dust of good body seal prevention, and this shell is arranged to explosion suppresion surface, and is explosion-proof with this.The protecgulum of this shell and bonnet are by socket, the socket that fits tightly itself possesses good sealing, metal explosion-proof sealing ring is set up at junction surface, rely on the good ductility of copper, make annular and further seal, and driven unit such as adjuster and rectifier bridge all are arranged in motor cavity, with traditional generator, adopt the three-cavity structure of motor cavity, actuator chamber and power source cavity to compare, the present invention only adopts two cavity configurations of motor cavity and power source cavity, and sealing effectiveness is better.and after generator adopts all-sealed structure, the amount of heat that produces during generator work can become the large factor that generator promotes power output that hinders, therefore the present invention is adopting on the basis of identical fan blade with the background technology patent, in motor cavity, the rotor rear and front end all adds the air plectrum that both direction is identical, rotor is when High Rotation Speed, air plectrum synchronous high-speed rotates, air in the motor cavity of sealing is carried out to directive stirring, make the interior air of motor cavity of sealing produce regular flowing, the heat that produces while more easily rotor high-speed being rotated is delivered to shell, and further dispel the heat by shell and fan blade.Explosion-proof sealing ring and protecgulum are completely fixed, and prevent from that the composition surface trace from relatively moving to make explosion-proof sealing ring and front/rear cover rub mutually and produce electric spark; Extremely low with the metal seal resistivity of front/rear cover close contact, can produce shielding action to motor internal spare, outside heavy current is when flowing through case surface, skin effect due to electric current, be difficult for entering motor internal, and, because its extremely low resistivity can not produce punch-through, namely be difficult for producing electric spark.And metal seal is high due to its mechanical strength, good corrosion resistance, and scuff resistance is large, so long service life, and ductility is good, low cost of manufacture.
In sum, the present invention has the following advantages:
1, simple in structure, low cost of manufacture;
2, the whole hermetically-sealed construction that adopts of shell, add sealed briquette simultaneously, improves explosion-proof effect;
3, set up fan blade, to the motor housing auxiliary heat dissipation, reduce the working temperature of motor, improve output power of motor.
The accompanying drawing explanation
Fig. 1 is anatomical structure schematic diagram of the present invention;
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
In figure, 1, protecgulum, 101, front joint portion, 2, bonnet, 201, rear joint portion, 3, explosion-proof sealing ring; 4, power pack, 5, stator, 6, rotor, 7, rotating shaft, 8, the slipper seal cover; 9, belt pulley, 10, fan blade, 11, protective cover, 12, driven unit, 13, the air plectrum.
Embodiment
Below the invention will be further described with embodiment.
Embodiment mono-:
A kind of integral mining explosion-proof power generator, the protecgulum 1 and the bonnet 2 that comprise mutual fastening, protecgulum 1 is all cylindrical with bonnet 2, protecgulum 1 is provided with the front joint portion 101 of a diameter greater than protecgulum 1 internal diameter with the contact site of bonnet 2, between front joint portion 101 and protecgulum 1 inwall, has a front step perpendicular to protecgulum 1 inwall, bonnet 2 is provided with a diameter with the contact site of protecgulum 1 and fits and seal and be connected by the socket mode less than the inner surface of the 201，Qian joint portion, rear joint portion 101 of bonnet 2 external diameters and the intimate of rear joint portion 201; Between the contact site of protecgulum 1 and bonnet 2, be provided with metal explosion-proof sealing ring 3, explosion-proof sealing ring 3 is annular, and explosion-proof sealing ring 3 is fixedly installed on front step; Between this explosion-proof sealing ring 3 and front joint portion 101, be interference fit, the internal diameter of explosion-proof sealing ring 3 is less than the internal diameter of protecgulum 1.Protecgulum 1 and bonnet 2 have increased double-layer sealing structure, lift-off seal by the mode that is socketed and sets up explosion-proof sealing ring 3.
Protecgulum 1 and bonnet 2 mutually fasten and form motor cavity, stator 5 is pressed in bonnet 2, and the iron core of stator 5 and bonnet 2 fit tightly, in stator 5, be provided with the rotor 6 that matches with this stator 5, rotor 6 is fixedly connected with rotating shaft 7, rotating shaft 7 goes out to pass from the central shaft of protecgulum 1 and bonnet 2, and rotating shaft 7 is equipped with slipper seal cover 8 with the contact site of protecgulum 1 and bonnet 2, and slipper seal cover 8 is the copper endless loop.
Rotating shaft 7 is piercing in protecgulum 1 place and is fixedly installed belt pulley 9, and rotating shaft 7 is piercing in bonnet 2 places and is fixedly installed fan blade 9, and fan blade 9 can be fixed in by jump ring the end of rotating shaft 7; Fan blade 9 is outside equipped with protective cover 11, and the direction of fan blade 9 is sent to air bonnet 2 from the outside while for this fan blade 9, rotating; Bonnet 2 surfaces are provided with radiating fin.Rotor 6 is provided with air plectrum 13 near a side of protecgulums 1 with near a side of bonnet 2, and air plectrum 13 comprises near the front plectrum of protecgulum 1 with near the rear plectrum of bonnet 2, front plectrum and rear plectrum to stir direction identical.The air plectrum 13, fan blade 9 and the radiator structure that increase, make the working temperature of generator greatly reduce, by actual measurement, same generator, in the operational environment of 25 degrees centigrade of room temperatures, when removing fan blade 9 and air plectrum 13, stable working temperature is 170 degrees centigrade of left and right, and after increasing fan blade 9 and air plectrum 13, stable working temperature is only 120 degrees centigrade of left and right, the working temperature of generator significantly descends, and power output can have lifting greatly.
On bonnet 2, be fixedly installed power pack 4, power pack 4 is connected with bonnet 2 by screw, and scribble heat-conducting silicone grease between power pack 4 and bonnet 2, the motor power-supply wire binding post is arranged in power pack 4, this power pack 4 also is provided with seal cover, and the sidewall of power pack 4 is provided with sealing and measuring body cable-through hole.In bonnet 2, be fixedly installed driven unit 12, this driven unit 12 comprises adjuster and the rectifier bridge of mutual series connection.Wherein, adjuster is for the output voltage of regulator generator, and this generator can be by output voltage control at 28 ± 0.3V, and rectifier bridge can be converted into direct current by the alternating current by adjuster output.
Claims (10)
1. integral mining explosion-proof power generator, the protecgulum (1) and the bonnet (2) that comprise mutual fastening, described protecgulum (1) and described bonnet (2) mutually fasten and form motor cavity, in described motor cavity, be provided with the stator (5) that is fixedly connected on described protecgulum (1) or described bonnet (2) and the rotor (6) that matches with this stator (5), described rotor (6) is fixedly connected with rotating shaft (7), described rotating shaft (7) goes out to pass from the central shaft of described protecgulum (1) and described bonnet (2), it is characterized in that: between described protecgulum (1) and bonnet (2), by the socket mode, seal connected, between the contact site of described protecgulum (1) and bonnet (2), be provided with metal explosion-proof sealing ring (3), described rotor (6) is provided with the air plectrum near a side of described protecgulum (1) and a side of close described bonnet (2).
2. integral mining explosion-proof power generator according to claim 1, it is characterized in that: described protecgulum (1) is all cylindrical with described bonnet (2), described protecgulum (1) is provided with the front joint portion (101) of a diameter greater than described protecgulum (1) internal diameter with the contact site of described bonnet (2), between described front joint portion (101) and described protecgulum (1) inwall, have a front step perpendicular to described protecgulum (1) inwall, described explosion-proof sealing ring (3) is fixedly installed on described front step; Described bonnet (2) is provided with the rear joint portion (201) of a diameter less than described bonnet (2) external diameter with the contact site of described protecgulum (1).
3. integral mining explosion-proof power generator according to claim 2, it is characterized in that: described explosion-proof sealing ring (3), for annular, is interference fit between this explosion-proof sealing ring (3) and described front joint portion (101).
4. integral mining explosion-proof power generator according to claim 3, it is characterized in that: the internal diameter of described explosion-proof sealing ring (3) is less than the internal diameter of described protecgulum (1).
5. integral mining explosion-proof power generator according to claim 4, is characterized in that: the intimate laminating of the inner surface of described front joint portion (101) and described rear joint portion (201).
6. integral mining explosion-proof power generator according to claim 1, it is characterized in that: described motor cavity inwall is fixedly installed driven unit, and this driven unit (12) comprises adjuster and rectifier bridge.
7. according to claim 1 or 6 described integral mining explosion-proof power generators, it is characterized in that: described air plectrum (13) comprises near the front plectrum of described protecgulum (1) with near the rear plectrum of described bonnet (2), described front plectrum and described rear plectrum to stir direction identical.
8. integral mining explosion-proof power generator according to claim 1, it is characterized in that: described rotating shaft (7) is equipped with slipper seal cover (8) with the contact site of described protecgulum (1) and described bonnet (2), and described slipper seal cover (8) is the copper endless loop.
9. integral mining explosion-proof power generator according to claim 6, it is characterized in that: described rotating shaft (7) is piercing in described bonnet (2) and locates to be fixedly installed fan blade (9); Described fan blade (9) is outside equipped with protective cover (11).
10. integral mining explosion-proof power generator according to claim 8, it is characterized in that: the direction of described fan blade (9) is sent to air described bonnet (2) from the outside while for this fan blade (9), rotating; Described bonnet (2) surface is provided with radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323173.2A CN103401343B (en) | 2013-07-30 | 2013-07-30 | A kind of integral mining explosion-proof power generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323173.2A CN103401343B (en) | 2013-07-30 | 2013-07-30 | A kind of integral mining explosion-proof power generator |
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| CN103401343A true CN103401343A (en) | 2013-11-20 |
| CN103401343B CN103401343B (en) | 2016-04-27 |
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| CN201310323173.2A Active CN103401343B (en) | 2013-07-30 | 2013-07-30 | A kind of integral mining explosion-proof power generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578535A (en) * | 2014-12-09 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Vehicle-mounted mining explosion-proof separately-ventilated and electrically-excited generator |
| CN108028109A (en) * | 2015-07-28 | 2018-05-11 | R.施塔尔开关设备有限责任公司 | Method for the proof assembl of latch break-through and for manufacturing the proof assembl |
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| EP0087960A2 (en) * | 1982-03-01 | 1983-09-07 | Tuscan Engineering Company Limited | Electric motor |
| CN2678246Y (en) * | 2004-01-02 | 2005-02-09 | 煤炭科学研究总院太原分院 | Constant-voltage transmission explosion-proof DC generator |
| CN201466931U (en) * | 2009-05-22 | 2010-05-12 | 南阳防爆电气研究所有限公司 | Flameproof type three-phase asynchronous motor |
| CN102082479A (en) * | 2010-12-27 | 2011-06-01 | 杭州富宁电器有限公司 | Flameproof face structure for explosion-proof motor |
| CN202190152U (en) * | 2011-08-18 | 2012-04-11 | 南阳防爆集团股份有限公司 | Explosion-proof motor rotor |
| CN202872534U (en) * | 2012-09-26 | 2013-04-10 | 六安江淮电机有限公司 | Novel super-high-efficiency explosion-proof motor |
| CN203554149U (en) * | 2013-07-30 | 2014-04-16 | 浙江安美德汽车配件有限公司 | Integrated mine anti-explosion power generator |
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2013
- 2013-07-30 CN CN201310323173.2A patent/CN103401343B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0087960A2 (en) * | 1982-03-01 | 1983-09-07 | Tuscan Engineering Company Limited | Electric motor |
| CN2678246Y (en) * | 2004-01-02 | 2005-02-09 | 煤炭科学研究总院太原分院 | Constant-voltage transmission explosion-proof DC generator |
| CN201466931U (en) * | 2009-05-22 | 2010-05-12 | 南阳防爆电气研究所有限公司 | Flameproof type three-phase asynchronous motor |
| CN102082479A (en) * | 2010-12-27 | 2011-06-01 | 杭州富宁电器有限公司 | Flameproof face structure for explosion-proof motor |
| CN202190152U (en) * | 2011-08-18 | 2012-04-11 | 南阳防爆集团股份有限公司 | Explosion-proof motor rotor |
| CN202872534U (en) * | 2012-09-26 | 2013-04-10 | 六安江淮电机有限公司 | Novel super-high-efficiency explosion-proof motor |
| CN203554149U (en) * | 2013-07-30 | 2014-04-16 | 浙江安美德汽车配件有限公司 | Integrated mine anti-explosion power generator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578535A (en) * | 2014-12-09 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Vehicle-mounted mining explosion-proof separately-ventilated and electrically-excited generator |
| CN104578535B (en) * | 2014-12-09 | 2017-05-03 | 中国煤炭科工集团太原研究院有限公司 | Vehicle-mounted mining explosion-proof separately-ventilated and electrically-excited generator |
| CN108028109A (en) * | 2015-07-28 | 2018-05-11 | R.施塔尔开关设备有限责任公司 | Method for the proof assembl of latch break-through and for manufacturing the proof assembl |
| US11004580B2 (en) | 2015-07-28 | 2021-05-11 | R. Stahl Schaltgeräte GmbH | Explosion-proof assembly for guiding through a stud, and method for producing same |
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| Publication number | Publication date |
|---|---|
| CN103401343B (en) | 2016-04-27 |
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