CN103607064A - Sealing structure at shaft through position of high-temperature-resisting and high-pressure-resisting motor - Google Patents
Sealing structure at shaft through position of high-temperature-resisting and high-pressure-resisting motor Download PDFInfo
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- CN103607064A CN103607064A CN201310614636.0A CN201310614636A CN103607064A CN 103607064 A CN103607064 A CN 103607064A CN 201310614636 A CN201310614636 A CN 201310614636A CN 103607064 A CN103607064 A CN 103607064A
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Abstract
The invention relates to a sealing structure at a shaft through position of a high-temperature-resisting and high-pressure-resisting motor. The sealing structure at the shaft through position of the high-temperature-resisting and high-pressure-resisting motor is characterized in that two mechanical sealing parts which are arranged in parallel are arranged between a motor end cover and a motor main shaft. The outer side of the motor end cover is connected with a baffle through a seam allowance and a fastening bolt. The baffle on the radial outer side of the seam allowance is provided with an O-shaped sealing ring through an annular groove, and the matched portion of the baffle and the motor main shaft is provided with an axial plane sealing part. In the structure, due to the fact that the three levels of sealing parts are arranged, leakage of the shaft through position of the motor can be prevented shaft under the high temperature of 200 DEG C and the fluid pressure of 1.8MPa, and therefore the sealing structure is particularly suitable for being used in places where high-temperature and high-pressure steam fluid media or high-temperature and high-pressure steam environments exist. The sealing structure at the shaft through position of the high-temperature-resisting and high-pressure-resisting motor has the advantages of being reasonable in design, good in sealing effect and capable of ensuring that the motor operates safely and reliably.
Description
Technical field
The invention belongs to motor appurtenances technical field, is the hermetically-sealed construction of a kind of high temperature high voltage resistant motor shaft perforation place.
Background technology
Along with the development of high-technology industry, motor product has been proposed to stricter requirement, require motor HTHP and also be can be safe and reliable in conductor fluid medium operation.And the hermetically-sealed construction for motor shaft perforation place adopts common V-type ring, outside framework oil seal or axial plane sealing conventionally in prior art, its axial plane is sealed into the exterior-coated nitrile rubber article of non-refractory, and for single-piece is used, owing to can not bearing high pressure, this hermetically-sealed construction is easy aging or seepage in high temperature and high pressure flow body medium or in high temperature and high pressure steam.Once there is fluid media (medium) or the high temperature and high pressure steam of HTHP, enter motor internal, can cause motor winding insulation to lose efficacy and occur equipment breakdown, even bring personal injury.Thereby the hermetically-sealed construction that conventional axle connects cannot be used in the fluid media (medium) of HTHP or in temperature high-pressure steam environment.So far, be not also applicable to the hermetically-sealed construction of motor shaft perforation place of high temperature and high pressure flow body medium or temperature high-pressure steam environment.
Summary of the invention
The object of this invention is to provide a kind of good seal performance, can use in HTHP place the hermetically-sealed construction of safe and reliable high temperature high voltage resistant motor shaft perforation place.
The technical scheme of taking is for achieving the above object: sealing structure comprises electric machine main shaft and electric motor end cap, 2 mechanical sealing members of putting are side by side housed between described electric motor end cap and electric machine main shaft, electric motor end cap outside is connected with baffle plate by seam and fastening bolt, on the baffle plate of the radial outside of seam, by cannelure, O RunddichtringO is housed, baffle plate and electric machine main shaft matching part are equipped with axial plane seal.
Described axial plane seal adopts the axial plane seal that model is RB60X80X4.5, this axial plane seal interference fit is installed on electric machine main shaft, rubber part in axial plane seal is fluorubber product, and the cylindrical interference fit of axial plane seal is arranged in the seal groove arranging on baffle plate.
Described mechanical sealing member adopts the mechanical sealing member that model is AIG523, and the rubber part in this mechanical sealing member is for strengthening tetrafluoro product, and the cylindrical interference fit of mechanical sealing member is arranged in the seal groove arranging on electric motor end cap.
Described O RunddichtringO adopts high-temperature resistant seal ring, is silicon rubber or fluorubber product.
Described baffle plate and electric motor end cap are nodular iron casting.
Described electric machine main shaft is 40Cr material product, and is not more than 1.6 with the roughness of mechanical sealing member mating surface.
The hermetically-sealed construction of high temperature high voltage resistant motor shaft of the present invention perforation place, by the setting of multiple-sealed, makes motor shaft perforation place can bear 1.8Mpa hydraulic pressure or air pressure and ne-leakage is safe and reliable in 200 ℃ of hot environments.The sealing that it possesses and high temperature high voltage resistant performance, can effectively protect the bearing of motor internal and winding not damaged, and therefore, this structure is particularly suitable for using in the place with high temperature, high-pressure medium or high-temperature steam environment.There is reasonable in design, good sealing effect, can guarantee the advantage of motor safety reliability service.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Referring to Fig. 1, the hermetically-sealed construction of high temperature high voltage resistant motor shaft of the present invention perforation place, comprise electric machine main shaft 1 and electric motor end cap 6,2 mechanical sealing members 7 of putting are side by side housed between electric motor end cap 6 and electric machine main shaft 1, this mechanical sealing member 7 adopts the mechanical sealing member that model is AIG523, the cylindrical interference fit of mechanical sealing member 7 is arranged in the seal groove arranging on electric motor end cap 6, by the effect of mechanical sealing member 7, the axial seal of easily revealing can be changed into static seal and the end face seal of more difficult leakage.Twice mechanical sealing member 7 is arranged in the seal groove of electric motor end cap 6, its outside end face is strengthened fixing by baffle plate 3, rubber part in this mechanical sealing member 7 adopts and strengthens tetrafluoro material, its heatproof is 200 ℃～260 ℃, coefficient of friction is less is: 0.11, nontoxic, resistance to wear, resistance to pressure, radioresistance are good, can reach the pressure while preventing that high temperature and high pressure gas from entering motor internal.In the outside of electric motor end cap 6, be provided with baffle plate 3, this baffle plate 3 is connected with electric motor end cap 6 with fastening bolt 4 by seam.Radial outside at seam is equipped with O RunddichtringO 5 by cannelure, sealing for baffle plate 3 with electric motor end cap 6 composition surfaces, O RunddichtringO 5 adopts high-temperature resistant seal ring, for silicon rubber or fluorubber product, can avoid the high temperature ageing in running, guarantee that it has reliable sealing property and longer useful life.Baffle plate 3 is equipped with axial plane seal 2 with electric machine main shaft 1 matching part, this axial plane seal 2 adopts the axial plane seal that model is RB60X80X4.5, adopt interference fit to be installed on electric machine main shaft 1, rubber part in axial plane seal 2 is fluorubber product, the cylindrical interference fit of axial plane seal 2 is arranged in the seal groove arranging on baffle plate, axial plane seal 2 adopts interference fit with electric machine main shaft 1, and its sealing effectiveness is better.During installation, axial plane seal 2 outer metallic shell end faces are concordant with the end face of baffle plate 3, to guarantee that the rubber lip in its axial plane seal 2 can effectively contact with the seal groove bottom surface in baffle plate 3, can play first protective action, pressure when alleviation high temperature and high pressure gas enters motor internal.Baffle plate 3 is connected seam with electric motor end cap 6 by bolt 4 and coordinates installation, can guarantee both axialities, thereby guarantee the axiality of three seals part, better reach sealing effectiveness, and be provided with resistant to elevated temperatures O RunddichtringO 5 at stop portion, can prevent that high-temperature high-pressure air flow from entering axle perforation from the mating surface of baffle plate 3 and electric motor end cap 6.Described electric machine main shaft 1 can adopt 40Cr material product, and the roughness of itself and mechanical sealing member 7 mating surfaces is not more than 1.6, to guarantee its wear resistance, and improves the sealing property between itself and mechanical sealing member 7 and O RunddichtringO 5.In this case, baffle plate 3 and electric motor end cap 6 all adopt nodular iron casting, make it to have more high strength and impact toughness, and produce fluid media (medium) seepage that pore, sand holes cause and the aging phenomenon of injected plastics material can avoid casting because of plain cast iron time.Axle of the present invention connects that hermetically-sealed construction can bear 1.8Mpa hydraulic pressure or air pressure and ne-leakage is safe and reliable in 200 ℃ of hot environments.The sealing that it possesses and high temperature high voltage resistant performance, can effectively protect the bearing of motor internal and winding not damaged, and therefore, this structure is particularly suitable for using in the place with high temperature, high-pressure medium or high-temperature steam environment.
Claims (6)
1. the hermetically-sealed construction of high temperature high voltage resistant motor shaft perforation place, comprise electric machine main shaft and electric motor end cap, it is characterized in that: 2 mechanical sealing members of putting are side by side housed between described electric motor end cap and electric machine main shaft, electric motor end cap outside is connected with baffle plate by seam and fastening bolt, on the baffle plate of the radial outside of seam, by cannelure, O RunddichtringO is housed, baffle plate and electric machine main shaft matching part are equipped with axial plane seal.
2. the hermetically-sealed construction of high temperature high voltage resistant motor shaft according to claim 1 perforation place, it is characterized in that: described axial plane seal adopts the axial plane seal that model is RB60X80X4.5, this axial plane seal interference fit is installed on electric machine main shaft, rubber part in axial plane seal is fluorubber product, and the cylindrical interference fit of axial plane seal is arranged in the seal groove arranging on baffle plate.
3. the hermetically-sealed construction of high temperature high voltage resistant motor shaft according to claim 1 perforation place, it is characterized in that: described mechanical sealing member adopts the mechanical sealing member that model is AIG523, rubber part in this mechanical sealing member is for strengthening tetrafluoro product, and the cylindrical interference fit of mechanical sealing member is arranged in the seal groove arranging on electric motor end cap.
4. the hermetically-sealed construction of high temperature high voltage resistant motor shaft according to claim 1 perforation place, is characterized in that: described O RunddichtringO adopts high-temperature resistant seal ring, is silicon rubber or fluorubber product.
5. the hermetically-sealed construction of high temperature high voltage resistant motor shaft according to claim 1 perforation place, is characterized in that: described baffle plate and electric motor end cap are nodular iron casting.
6. the hermetically-sealed construction of high temperature high voltage resistant motor shaft according to claim 1 perforation place, is characterized in that: described electric machine main shaft is 40Cr material product, and is not more than 1.6 with the roughness of mechanical sealing member mating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614636.0A CN103607064B (en) | 2013-11-28 | 2013-11-28 | The sealed structure at a kind of through place of high temperature high voltage resistant motor shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614636.0A CN103607064B (en) | 2013-11-28 | 2013-11-28 | The sealed structure at a kind of through place of high temperature high voltage resistant motor shaft |
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| CN103607064A true CN103607064A (en) | 2014-02-26 |
| CN103607064B CN103607064B (en) | 2016-06-08 |
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| CN201310614636.0A Active CN103607064B (en) | 2013-11-28 | 2013-11-28 | The sealed structure at a kind of through place of high temperature high voltage resistant motor shaft |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239646A (en) * | 2015-10-13 | 2016-01-13 | 珠海格力电器股份有限公司 | Garbage disposal device |
| CN106026483A (en) * | 2016-08-01 | 2016-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Vehicle, driving system and motor thereof |
| CN110165815A (en) * | 2019-05-21 | 2019-08-23 | 卧龙电气驱动集团股份有限公司 | A kind of shaft vibrating motor sealing structure of shaft end |
| CN113162291A (en) * | 2021-03-10 | 2021-07-23 | 东风柳州汽车有限公司 | Shaft body sealing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6183208B1 (en) * | 1997-10-03 | 2001-02-06 | Roper Holdings, Inc. | Immersible motor system |
| CN201966723U (en) * | 2011-02-16 | 2011-09-07 | 天津鑫海山水泵有限公司 | Water immersion type submersible asynchronous motor |
| CN102842981A (en) * | 2012-09-10 | 2012-12-26 | 高邮市华天电机厂 | Electromotor of wood splitting machine |
| CN202978530U (en) * | 2012-11-29 | 2013-06-05 | 南阳防爆集团股份有限公司 | Low voltage anti-strong water spraying explosion proof marine motor |
| CN203607972U (en) * | 2013-11-28 | 2014-05-21 | 南阳防爆集团股份有限公司 | Seal structure for high temperature resistant and high pressure resistant motor shaft through part |
-
2013
- 2013-11-28 CN CN201310614636.0A patent/CN103607064B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6183208B1 (en) * | 1997-10-03 | 2001-02-06 | Roper Holdings, Inc. | Immersible motor system |
| CN201966723U (en) * | 2011-02-16 | 2011-09-07 | 天津鑫海山水泵有限公司 | Water immersion type submersible asynchronous motor |
| CN102842981A (en) * | 2012-09-10 | 2012-12-26 | 高邮市华天电机厂 | Electromotor of wood splitting machine |
| CN202978530U (en) * | 2012-11-29 | 2013-06-05 | 南阳防爆集团股份有限公司 | Low voltage anti-strong water spraying explosion proof marine motor |
| CN203607972U (en) * | 2013-11-28 | 2014-05-21 | 南阳防爆集团股份有限公司 | Seal structure for high temperature resistant and high pressure resistant motor shaft through part |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239646A (en) * | 2015-10-13 | 2016-01-13 | 珠海格力电器股份有限公司 | Garbage disposal device |
| CN105239646B (en) * | 2015-10-13 | 2017-11-28 | 珠海格力电器股份有限公司 | Refuse disposal installation |
| CN106026483A (en) * | 2016-08-01 | 2016-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Vehicle, driving system and motor thereof |
| CN110165815A (en) * | 2019-05-21 | 2019-08-23 | 卧龙电气驱动集团股份有限公司 | A kind of shaft vibrating motor sealing structure of shaft end |
| CN113162291A (en) * | 2021-03-10 | 2021-07-23 | 东风柳州汽车有限公司 | Shaft body sealing structure |
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| Publication number | Publication date |
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| CN103607064B (en) | 2016-06-08 |
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Address after: No. 22 Zhongjing North Road, Nanyang, Henan Province, Henan Patentee after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Address before: No. 22 Zhongjing North Road, Nanyang, Henan Province, Henan Patentee before: NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. |
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Effective date of registration: 20180703 Address after: 430000 Hubei Tibet Wuhan Jiangxia area Tibet Dragon Island Science and Technology Park Special 1 Patentee after: ATB MOTORS (WUHAN) Co.,Ltd. Address before: No. 22 Zhongjing North Road, Nanyang, Henan Province, Henan Patentee before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. |