CN105006904A - High efficiency compact type high voltage explosion-proof motor - Google Patents
High efficiency compact type high voltage explosion-proof motor Download PDFInfo
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- CN105006904A CN105006904A CN201510490733.2A CN201510490733A CN105006904A CN 105006904 A CN105006904 A CN 105006904A CN 201510490733 A CN201510490733 A CN 201510490733A CN 105006904 A CN105006904 A CN 105006904A
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Abstract
The invention relates to a high efficiency compact type high voltage explosion-proof motor which comprises a base and a motor shaft arranged in the base. The front end of each motor shaft is provided with a front bearing sleeve through a front bearing. The back end of each motor bearing is provided with a back bearing sleeve through a back bearing. The front bearing sleeve is fixed through a front bearing outer cover in the axial direction. A font end cover is fixedly arranged at the front end part of the base. The back bearing sleeve is fixed in the axial direction through a back bearing outer cover and the back bearing sleeve is fixed and connected to the back bearing cover. The back end cover is fixed at the back end part of the base. A motor stator and a cast aluminum rotor matching the motor are mounted between the front bearing sleeve and the back bearing sleeve. The cast aluminum rotor is arranged on the motor shaft through shrinkage fit. The back end of the shaft is provided with an internal fan and an external fan which rotate along with the motor shaft. The internal fan is mounted between the back bearing sleeve and the cast aluminum rotor while the external fan is mounted at the back end of the base. The high efficiency compact type high voltage explosion proof motor of the invention has a compact structure, is cost-effective to process and to transport, has a small size, and runs stably, reliably and safely.
Description
Technical field
The present invention relates to a kind of high-tension motor, especially a kind of high efficiency compact-type high-pressure flameproof motor, belongs to the technical field of flame proof high-tension motor.
Background technology
At present, domestic most hv explosion-proof motor adopts the support of welded-steel plate construction, and owing to designing the factors such as unreasonable, processing difficulties, it is large that motor majority exists volume, and vibration is large, the situation that noise is high.Motor internal cooling system is comprehensive not, and cannot carry out good heat radiation, cause power of motor on the low side, grooved and associated technical parameters select not science, cause the performance index such as electric efficiency, power factor on the low side.And welding frame requires higher, and the process-cycle is long, high temperature during metalworking, is very easily answered to produce distortion, poor stability, and bulky, bring extreme difficulties to transhipment, lifting, transport.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of high efficiency compact-type high-pressure flameproof motor, its compact conformation, processing cost of transportation is low, and volume is little, and operation stability is high, safe and reliable.
According to technical scheme provided by the invention, described high efficiency compact-type high-pressure flameproof motor, comprise the support adopting casting, the rotating shaft of coaxial distribution is provided with in described support, be provided with front axle bearing sleeve in the front end of described rotating shaft by fore bearing body, be provided with rear axle bearing sleeve in the rear end of rotating shaft by rear bearing, described front axle bearing sleeve is by fore bearing enclosing cover axial restraint, and described front axle bearing sleeve is fixedly connected with front end housing, described front end housing is fixed on the leading section of support; Rear axle bearing sleeve is by rear bearing enclosing cover axial restraint, and rear axle bearing sleeve is fixedly connected with rear end cap, and rear end cap is fixed on the rearward end of support;
At the cast-aluminum rotor that front axle bearing sleeve and rear bearing inner room are provided with motor stator and mate with described motor stator, described cast-aluminum rotor hot jacket is in rotating shaft; Be provided with the internal fan and external fan that can follow axis of rotation in the rear end of rotating shaft, described internal fan is positioned between rear axle bearing sleeve and cast-aluminum rotor in support, and external fan is outside the rear end of support.
Described fore bearing enclosing cover is positioned at outside the front end of support, covers and arrange front end oil fuel tube outside fore bearing, arranges the front shaft sleeve shoe cream room for receiving lubricating oil in front axle bearing sleeve; Described front end oil fuel tube can be connected with the front shaft sleeve shoe cream room in front axle bearing sleeve by the front shaft sleeve oil filler point in enclosing cover oil filler point, front axle bearing sleeve before in fore bearing enclosing cover, and fore bearing body comprises clutch shaft bearing and second bearing adjacent with described clutch shaft bearing.
The rearward end of described support is provided with fan housing, and described fan housing is fixedly connected with the rearward end of support, and external fan is positioned at fan housing and is enclosed within rotating shaft.
Cover outside described rear bearing and rear end oil fuel tube is set, the rear axle housing shoe cream room for receiving lubricating oil is set in rear axle bearing sleeve; Described rear end oil fuel tube can be connected with the rear axle housing shoe cream room in rear axle bearing sleeve by the rear axle housing oil filler point in the rear enclosing cover oil filler point of rear bearing enclosing cover, rear axle bearing sleeve.
The outer wall of described support is provided with some fin in parallel distribution, and described fin distributes along the length direction of described support on support.
The outer wall of described support is provided with assistant junction box, and the outer wall of support is provided with main power source terminal box by Connection Block.
Oil scraper ring before the outside of fore bearing body is provided with, described front oil scraper ring is enclosed within the front end of rotating shaft and is positioned at fore bearing enclosing cover.
Oil scraper ring after the outside of rear bearing is provided with, described rear oil scraper ring is enclosed within the rear end of rotating shaft and is positioned at rear bearing enclosing cover.
Described motor stator comprises stator core and is positioned at the stator winding of described stator core, described stator core be positioned at support and with described support secure fit.
Advantage of the present invention: product structure is simple, compact, aesthetic in appearance, and noise is low, vibrate little, efficiency is high, the high electric efficiency of identical central than the efficiency height 2%-4% of conventional motors, volume ratio is concentricity higher primary school nearly 20%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Description of reference numerals: 1-axle card, 2-front end oil fuel tube, oil scraper ring before 3-, 4-fore bearing enclosing cover, 5-front end housing, 6-clutch shaft bearing, 7-second bearing, 8-front axle bearing sleeve, 9-support, 10-rotating shaft, 11-cast-aluminum rotor, 12-stator core, 13-stator winding, 14-internal fan, 15-rear end cap, 16-rear axle bearing sleeve, 17-rear bearing, 18-rear bearing enclosing cover, 19-fan housing, 20-external fan, 21-cover plate, 22-assistant junction box, 23-Connection Block, 24-main power source terminal box, oil exit pipe before 25-, 26-fin, 27-support base, enclosing cover oil filler point before 28-, 29-front shaft sleeve oil filler point, 30-rear end oil fuel tube, enclosing cover oil filler point after 31-, oil scraper ring after 32-rear axle housing oil filler point and 33-.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2: in order to processing cost of transportation can be reduced, reduce the volume of motor, the present invention includes the support 9 adopting casting, the rotating shaft 10 of coaxial distribution is provided with in described support 9, by fore bearing body, front axle bearing sleeve 8 is installed in the front end of described rotating shaft 10, by rear bearing 17, rear axle bearing sleeve 16 is installed in the rear end of rotating shaft 10, described front axle bearing sleeve 8 is by fore bearing enclosing cover 4 axial restraint, and described front axle bearing sleeve 8 is fixedly connected with front end housing 5, described front end housing 5 is fixed on the leading section of support 9; Rear axle bearing sleeve 16 is by rear bearing enclosing cover 18 axial restraint, and rear axle bearing sleeve 16 is fixedly connected with rear end cap 15, and rear end cap 15 is fixed on the rearward end of support 9;
The cast-aluminum rotor 11 being provided with motor stator and mating with described motor stator between front axle bearing sleeve 8 with rear axle bearing sleeve 16, described cast-aluminum rotor 11 hot jacket is in rotating shaft 10; Be provided with the internal fan 14 and external fan 20 that can follow rotating shaft 10 rotation in the rear end of rotating shaft 10, described internal fan 14 is positioned between rear axle bearing sleeve 16 and cast-aluminum rotor 11 in support 9, and external fan 20 is outside the rear end of support 9.
Particularly, described support 9 adopts disposable casting to cast, and the material of support 9 can adopt high trade mark HT250 casting pig, adopts the support 9 cast effectively can reduce the volume of motor, after the volume of motor is little, effectively can reduce cost of transportation.Rotating shaft 10 can be rotated in support 9, and the two ends of rotating shaft 10 all will pass outside support 9.Front axle bearing sleeve 8 is enclosed within the front end of rotating shaft 10, and fore bearing body is positioned at front axle bearing sleeve 8, and rear axle bearing sleeve 16 is enclosed within the rear end of rotating shaft 10, and rear bearing 17 is positioned at rear axle bearing sleeve 16, and rotating shaft 10 can be rotated by fore bearing body, rear bearing 17 in support 9.
Front shaft sleeve enclosing cover 4 pairs of front axle bearing sleeves 8 carry out axial restraint, front end housing 5 is enclosed within front axle bearing sleeve 8, front end housing 5 and front axle bearing sleeve 8 are adopted and are screwed, front end housing 5 adopts bolt to fix with the leading section of support 9, one end of front axle bearing sleeve 8 is stretched in support 9, the other end of front axle bearing sleeve 8 contacts with fore bearing enclosing cover 4, and fore bearing enclosing cover 4 is positioned at the outside of front end housing 5.The surface that the surface that front end housing 5 contacts with front axle bearing sleeve 8, front end housing 5 contact with the leading section of support 9 is explosion-proof faying face.
Rear bearing enclosing cover 18 is for carrying out axial restraint to rear axle bearing sleeve 16, and rear end cap 15 is enclosed within rear axle bearing sleeve 16, and rear end cap 15 and rear axle bearing sleeve 16 are fixed by screw, and rear end cap 15 adopts bolt to fix with the rearward end of support 9.One end of rear axle bearing sleeve 16 is stretched in support 9, and rear bearing enclosing cover 18 is positioned at the outside of rear end cap 15, and namely rear bearing enclosing cover 18 is positioned at outside support 9.The surface that the surface that rear end cap 15 connects with rear axle bearing sleeve 16, rear end cap 15 contact with the rearward end of support 9 is explosion-proof faying face.
In the embodiment of the present invention, described motor stator comprises stator core 12 and is positioned at the stator winding 13 of described stator core 12, described stator core 12 be positioned at support 9 and with described support 9 secure fit.Stator core 12 and support 9 interference fit, stator winding 13 is positioned at the winding slot of stator core 12.Stator winding 13 is positioned at the outer ring of cast-aluminum rotor 11, matched in clearance between stator winding 13 and cast-aluminum rotor 11, so that cast-aluminum rotor 11 follows rotating shaft 10 when rotating, and can the magnetic field that formed of cutting stator winding 13.Internal fan 14 and external fan 20 are fixed by keyway and rotating shaft 10, internal fan 14, external fan 20 follow rotating shaft 10 when rotating, the ventilation and heat to motor can be realized, avoid the accumulation of amount of heat in high-tension motor, guarantee security reliability when motor uses.The version that internal fan 14, external fan 20 all adopt the art conventional, is specially known by the art personnel, repeats no more herein.
Described fore bearing enclosing cover 4 is positioned at outside the front end of support 9, fore bearing enclosing cover 4 is arranged front end oil fuel tube 2, arranges the front shaft sleeve shoe cream room for receiving lubricating oil in front axle bearing sleeve 8; Described front end oil fuel tube 2 can be connected with the front shaft sleeve shoe cream room in front axle bearing sleeve 8 by the front shaft sleeve oil filler point 29 in enclosing cover oil filler point 28, front axle bearing sleeve 8 before in fore bearing enclosing cover 4, and fore bearing body comprises clutch shaft bearing 6 and second bearing 7 adjacent with described clutch shaft bearing 6.
Oil scraper ring 3 before the outside of fore bearing body is provided with, described front oil scraper ring 3 is enclosed within the front end of rotating shaft 10 and is positioned at fore bearing enclosing cover 4.
In the embodiment of the present invention, after processing assembling, at the front end installation shaft card 1 of rotating shaft 10, rotating shaft 10 idle running in transit can be avoided by axle card 1.Clutch shaft bearing 6 is positioned at the outside of the second bearing 7, the front end of the more contiguous rotating shaft 10 of clutch shaft bearing 6, because the front end of rotating shaft 10 is connected with load, is coordinated by clutch shaft bearing 6 and the second bearing 7, improves the reliability that rotating shaft 10 drives load.When rotating shaft 10 high speed rotating, need to utilize the lubricating oil in front shaft sleeve shoe cream room to lubricate clutch shaft bearing 6, second bearing 7.Lubricating oil in front shaft sleeve shoe cream room is flowed into by front enclosing cover oil filler point 28, front shaft sleeve oil filler point 29 after injecting by front end oil fuel tube 2.Oil exit pipe 25 before being also provided with outside support 9, front oil exit pipe 25 can be connected with described front shaft sleeve shoe cream room, the lubricating oil in front shaft sleeve shoe cream room can be discharged by front oil exit pipe 25.The outside of clutch shaft bearing 6 is positioned at by front oil scraper ring 3.
Described rear bearing enclosing cover 18 arranges rear end oil fuel tube 30, the rear axle housing shoe cream room for receiving lubricating oil is set in rear axle bearing sleeve 16; Described rear end oil fuel tube 30 can be connected with the rear axle housing shoe cream room in rear axle bearing sleeve 16 by the rear axle housing oil filler point 32 in the rear enclosing cover oil filler point 31 of rear bearing enclosing cover 18, rear axle bearing sleeve 16.
Oil scraper ring 33 after the outside of rear bearing 17 is provided with, described rear oil scraper ring 33 is enclosed within the rear end of rotating shaft 10 and is positioned at rear bearing enclosing cover 16.
In the embodiment of the present invention, utilize the lubricating oil in rear axle bearing sleeve shoe cream room can lubricate rear bearing 17.After holding oil fuel tube 30 to inject after the tender communication of lubricating oil in rear axle housing shoe cream room, flowed into by rear outer tube oil filler point 31, rear axle housing oil filler point 32.Rear oil scraper ring 33 is positioned at the right side of rear bearing 17.
The outer wall of described support 9 is provided with some fin 26 in parallel distribution, and described fin 26 distributes along the length direction of described support 9 on support 9.The rearward end of described support 9 is provided with fan housing 19, and described fan housing 19 is fixedly connected with the rearward end of support 9, and external fan 20 is positioned at fan housing 19 and is enclosed within rotating shaft 10.
In the embodiment of the present invention, effectively can be expanded the area of dissipation of support 9 by fin 26, the bottom of support 9 is provided with support base 27, conveniently high-voltage motor can be arranged on desired position by support base 27.Rear end cap 15, rear axle bearing sleeve 16 and rear bearing enclosing cover 18 are all positioned at fan housing 19.
The outer wall of described support 9 is provided with assistant junction box 22, and the outer wall of support 9 is provided with main power source terminal box 24 by Connection Block 23.In the embodiment of the present invention, the wiring of the working state control to motor can be realized by assistant junction box 22, main power source terminal box 24 is for the connection with external power source, and main power source terminal box 24 can guarantee the overall flame proof ability of motor after being connected with support 9 by Connection Block 23.Assistant junction box 22 is directly fixed on support 9, main power source terminal box 24 can four positions and front, rear, left and right half-twist outlet on support 9 as required, assistant junction box 22 can be arranged on support 9 left-right and front-back position as required, and support 9 remains line outlet cover plate 21 and seals.
Claims (9)
1. a high efficiency compact-type high-pressure flameproof motor, it is characterized in that: comprise the support (9) adopting casting, the rotating shaft (10) of coaxial distribution is provided with in described support (9), by fore bearing body, front axle bearing sleeve (8) is installed in the front end of described rotating shaft (10), by rear bearing (17), rear axle bearing sleeve (16) is installed in the rear end of rotating shaft (10), described front axle bearing sleeve (8) is by fore bearing enclosing cover (4) axial restraint, and described front axle bearing sleeve (8) is fixedly connected with front end housing (5), described front end housing (5) is fixed on the leading section of support (9), rear axle bearing sleeve (16) is by rear bearing enclosing cover (18) axial restraint, and rear axle bearing sleeve (16) is fixedly connected with rear end cap (15), and rear end cap (15) is fixed on the rearward end of support (9),
The cast-aluminum rotor (11) being provided with motor stator and mating with described motor stator between front axle bearing sleeve (8) with rear axle bearing sleeve (16), described cast-aluminum rotor (11) hot jacket is in rotating shaft (10); Be provided with in the rear end of rotating shaft (10) and the internal fan (14) and external fan (20) that rotating shaft (10) rotates can be followed, described internal fan (14) is positioned between rear axle bearing sleeve (16) and cast-aluminum rotor (11) in support (9), and external fan (20) is outside the rear end of support (9).
2. high efficiency compact-type high-pressure flameproof motor according to claim 1, it is characterized in that: described fore bearing enclosing cover (4) is positioned at outside the front end of support (9), fore bearing enclosing cover (4) is arranged front end oil fuel tube (2), the front shaft sleeve shoe cream room for receiving lubricating oil is set in front axle bearing sleeve (8); Described front end oil fuel tube (2) can be connected with the front shaft sleeve shoe cream room in front axle bearing sleeve (8) by the front enclosing cover oil filler point (28) in fore bearing enclosing cover (4), the front shaft sleeve oil filler point (29) in front axle bearing sleeve (8), and fore bearing body comprises clutch shaft bearing (6) and second bearing (7) adjacent with described clutch shaft bearing (6).
3. high efficiency compact-type high-pressure flameproof motor according to claim 1, it is characterized in that: the rearward end of described support (9) is provided with fan housing (19), described fan housing (19) is fixedly connected with the rearward end of support (9), and external fan (20) is positioned at fan housing (19) and is enclosed within rotating shaft (10).
4. high efficiency compact-type high-pressure flameproof motor according to claim 1, is characterized in that: described rear bearing enclosing cover (18) arranges rear end oil fuel tube (30), arranges the rear axle housing shoe cream room for receiving lubricating oil in rear axle bearing sleeve (16); Described rear end oil fuel tube (30) can be connected with the rear axle housing shoe cream room in rear axle bearing sleeve (16) by the rear axle housing oil filler point (32) in the rear enclosing cover oil filler point (31) of rear bearing enclosing cover (18), rear axle bearing sleeve (16).
5. high efficiency compact-type high-pressure flameproof motor according to claim 1, it is characterized in that: on the outer wall of described support (9), be provided with some fin (26) in parallel distribution, described fin (26) distributes along the length direction of described support (9) on support (9).
6. high efficiency compact-type high-pressure flameproof motor according to claim 1, it is characterized in that: on the outer wall of described support (9), be provided with assistant junction box (22), and the outer wall of support (9) is provided with main power source terminal box (24) by Connection Block (23).
7. high efficiency compact-type high-pressure flameproof motor according to claim 2, is characterized in that: oil scraper ring (3) before the outside of fore bearing body is provided with, and described front oil scraper ring (3) is enclosed within the front end of rotating shaft (10) and is positioned at fore bearing enclosing cover (4).
8. high efficiency compact-type high-pressure flameproof motor according to claim 3, it is characterized in that: be provided with rear oil scraper ring (33) in the outside of rear bearing (17), described rear oil scraper ring (33) is enclosed within the rear end of rotating shaft (10) and is positioned at rear bearing enclosing cover (16).
9. high efficiency compact-type high-pressure flameproof motor according to claim 1, it is characterized in that: described motor stator comprises stator core (12) and is positioned at the stator winding (13) of described stator core (12), described stator core (12) be positioned at support (9) and with described support (9) secure fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490733.2A CN105006904A (en) | 2015-08-11 | 2015-08-11 | High efficiency compact type high voltage explosion-proof motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490733.2A CN105006904A (en) | 2015-08-11 | 2015-08-11 | High efficiency compact type high voltage explosion-proof motor |
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| CN105006904A true CN105006904A (en) | 2015-10-28 |
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| CN201510490733.2A Pending CN105006904A (en) | 2015-08-11 | 2015-08-11 | High efficiency compact type high voltage explosion-proof motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105515258A (en) * | 2015-12-03 | 2016-04-20 | 卧龙电气南阳防爆集团股份有限公司 | Explosion-proof and safety-increased type composite explosion-proof motor with current transformer |
| CN106300776A (en) * | 2016-10-08 | 2017-01-04 | 江苏美邦电机科技有限公司 | high efficiency motor |
| CN106505778A (en) * | 2016-12-12 | 2017-03-15 | 衡阳市利美电瓶车制造有限责任公司 | A kind of flame-proof type alternating current generator |
| CN107017730A (en) * | 2017-05-23 | 2017-08-04 | 中达电机股份有限公司 | The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
| CN107040108A (en) * | 2017-06-26 | 2017-08-11 | 中煤科工集团重庆研究院有限公司 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
| CN107171476A (en) * | 2017-05-15 | 2017-09-15 | 张志通 | A kind of impervious machine |
| CN109256901A (en) * | 2018-11-20 | 2019-01-22 | 上海电机系统节能工程技术研究中心有限公司 | A kind of IE4 efficiency grade low-voltage heavy-duty motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105515258A (en) * | 2015-12-03 | 2016-04-20 | 卧龙电气南阳防爆集团股份有限公司 | Explosion-proof and safety-increased type composite explosion-proof motor with current transformer |
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| CN107171476A (en) * | 2017-05-15 | 2017-09-15 | 张志通 | A kind of impervious machine |
| CN107017730A (en) * | 2017-05-23 | 2017-08-04 | 中达电机股份有限公司 | The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
| CN107040108A (en) * | 2017-06-26 | 2017-08-11 | 中煤科工集团重庆研究院有限公司 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
| CN109256901A (en) * | 2018-11-20 | 2019-01-22 | 上海电机系统节能工程技术研究中心有限公司 | A kind of IE4 efficiency grade low-voltage heavy-duty motor |
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Application publication date: 20151028 |