CN102751808A - Motor bearing mechanism specially used for compressor - Google Patents
Motor bearing mechanism specially used for compressor Download PDFInfo
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- CN102751808A CN102751808A CN2012102402151A CN201210240215A CN102751808A CN 102751808 A CN102751808 A CN 102751808A CN 2012102402151 A CN2012102402151 A CN 2012102402151A CN 201210240215 A CN201210240215 A CN 201210240215A CN 102751808 A CN102751808 A CN 102751808A
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- bearing
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- roller bearing
- cover
- motor
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Abstract
The invention relates to a motor bearing mechanism specially used for a compressor, in particular to a motor bearing mechanism for adapting to the connection of a helical gear compressor. The motor bearing mechanism comprises a rotor, an external bearing cover, an end cover, a shaft check ring, an oil thrower wheel, a cylindrical roller bearing and an internal bearing cover, wherein a bearing guard of the rotor is sheathed with the cylindrical roller bearing; an outer ring of the cylindrical roller bearing is connected with the end cover; the rotor is sheathed with the oil thrower wheel and the shaft check ring; the right end of the oil thrower wheel clings to the cylindrical roller bearing; and the left end of the oil thrower wheel clings to the shaft check ring. The motor bearing mechanism is simple, compact and reasonable in structure; the rated dynamic load of the motor bearing mechanism is more than twice higher than that of a deep groove ball bearing; the service life of the cylindrical roller bearing is longer than that of the deep groove ball bearing; and the motor bearing mechanism can normally work under the action of higher radial force.
Description
Technical field
The present invention relates to a kind of compressor motor special Bearning mechanism, specifically is to adapt to helical gear compressor to connect.
Background technology
In existing threephase asynchronous Bearning mechanism, the drive end axle bearing assembly of existing Y series, the serial threephase asynchronous of Y2 mainly is made up of rotor, bearing end cover, internal bearing cover, end cap and deep groove ball bearing.Wherein this bearing demand in useful life was reached more than 10000 hours.Under usual condition, this bearing is bearing axial thrust and less radial pull, calculates through bearing life, and deep groove ball bearing just can satisfy user demand.In order to reduce the rotor axial play bearing is produced injury, be provided with bearing locking device at anti-drive end; Simultaneously axially applying precompression, thereby effectively reducing motor vibration and noise, to good result is arranged the useful life that prolongs bearing.Yet the bearing of supporting motor-driven end on the compressor that helical gear connects will bear huge radial load; Frictional force increases suddenly; Deep groove ball bearing is owing to be spot contact bearing, and long-time running back heating easily burns out, thereby can have influence on whole motor properties; Bearing burns out simultaneously also can cause bending shaft or fracture, even can make whole burn-down of electric motor.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby a kind of compressor motor special Bearning mechanism is provided, can when bearing huge radial load, guarantee the bearing operate as normal, effectively ensured the useful life of bearing.
According to technical scheme provided by the invention; A kind of compressor motor special Bearning mechanism mainly comprises rotor, bearing end cover, end cap, shaft block ring, disc and internal bearing cover; The left end of said end cap is through bolt connection bearing enclosing cover, and the right-hand member of end cap is characterized in that: also comprise cylinder roller bearing through bolt connection bearing inner cap; Suit cylinder roller bearing on the bearing guard of rotor, the outer ring of cylinder roller bearing connects end cap.Suit disc and shaft block ring on the said rotor, the right-hand member of disc be near cylinder roller bearing, disc left end near shaft block ring.
Be provided with V-shaped seal ring between said bearing end cover and the rotor.
Said bearing end cover is provided with fuel filler neck.
Be provided with oilhole in the said end cap.
Compared with present technology the present invention has the following advantages:
The present invention is simple, compact and reasonable for structure; Its dynamic load rating will be that the twice of deep groove ball bearing dynamic load rating of former same specification size is many; Simultaneously the life-span of cylinder roller bearing is also greater than deep groove ball bearing, and bearing useful life will be more than 10 times of former deep groove ball bearing, and the part motor bearings life-span will be more than 15 times of former employing deep groove ball bearing; And can be under bigger radial load effect operate as normal.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Description of reference numerals: 1-rotor, 2-V RunddichtringO, 3-bearing end cover, 4-end cap, 5-shaft block ring, 6-disc, 7-cylinder roller bearing, 8-internal bearing cover, 9-fuel filler neck, 10-oilhole.
Embodiment
Following the present invention will combine the embodiment in the accompanying drawing to further describe:
As shown in Figure 1, the present invention mainly comprises rotor 1, bearing end cover 3, end cap 4, shaft block ring 5, disc 6, cylinder roller bearing 7 and internal bearing cover 8.
Suit cylinder roller bearing 7 on the bearing guard of rotor 1, the outer ring of cylinder roller bearing 7 connects end cap 4.Suit disc 6 and shaft block ring 5 on the said rotor 1, the right-hand member of disc 6 be near cylinder roller bearing 7, disc 6 left end near shaft block ring 5.
The left end of said end cap 4 is through bolt connection bearing enclosing cover 3, and the right-hand member of end cap 4 is through bolt connection bearing inner cap 8.Be provided with V-shaped seal ring 2 between said bearing end cover 3 and the rotor 1.
Said bearing end cover 3 is provided with fuel filler neck 9, is used for adding lubricating grease to inside.
Be provided with oilhole 10 in the said end cap 4, lubricating grease gets into cylinder roller bearing 7 through oilhole 10
The motor-driven end that adopts helical gear to connect in the compressor is selected cylinder roller bearing 7 for use; The outer ring of inside and outside lid 8, the 3 stuck cylinder roller bearings 7 of bearing; The inner ring of cylinder roller bearing 7 is cancelled pretightning force (promptly cancelling the wavy spring sheet) simultaneously with shaft block ring 5 axial restraints.Anti-drive end still adopts the deep groove ball bearing axial location, and bearing inner race is used the back-up ring axial restraint.Because the motor-driven end adopts cylinder roller bearing; Its dynamic load rating will be that the twice of deep groove ball bearing dynamic load rating of former same specification size is many; The life formula index of cylinder roller bearing is also greater than deep groove ball bearing simultaneously; Basic rating life will be more than 10 times of former deep groove ball bearing, and the part motor bearings life-span will be more than 15 times of former deep groove ball bearing.
Claims (4)
1. compressor motor special Bearning mechanism; Comprise rotor (1), bearing end cover (3), end cap (4), shaft block ring (5), disc (6) and internal bearing cover (8); The left end of said end cap (4) is through bolt connection bearing enclosing cover (3); The right-hand member of end cap (4) is through bolt connection bearing inner cap (8); It is characterized in that: also comprise cylinder roller bearing (7), suit cylinder roller bearing (7) on the bearing guard of rotor (1), the outer ring of cylinder roller bearing (7) connects end cap (4); Said rotor (1) is gone up suit disc (6) and shaft block ring (5), and the right-hand member of disc (6) is near cylinder roller bearing (7), disc (6) left end near shaft block ring (5).
2. a kind of compressor motor special Bearning mechanism as claimed in claim 1 is characterized in that: be provided with V-shaped seal ring (2) between said bearing end cover (3) and the rotor (1).
3. a kind of compressor motor special Bearning mechanism as claimed in claim 1, it is characterized in that: said bearing end cover (3) is provided with fuel filler neck (9).
4. a kind of compressor motor special Bearning mechanism as claimed in claim 1 is characterized in that: be provided with oilhole (10) in the said end cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102402151A CN102751808A (en) | 2012-07-11 | 2012-07-11 | Motor bearing mechanism specially used for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102402151A CN102751808A (en) | 2012-07-11 | 2012-07-11 | Motor bearing mechanism specially used for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102751808A true CN102751808A (en) | 2012-10-24 |
Family
ID=47031775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102402151A Pending CN102751808A (en) | 2012-07-11 | 2012-07-11 | Motor bearing mechanism specially used for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102751808A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051100A (en) * | 2012-12-03 | 2013-04-17 | 江苏航天动力机电有限公司 | Novel vertical direct-current motor structure |
| CN103457391A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Structure for preventing motor bearing from going to outer ring |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272072A (en) * | 2008-04-30 | 2008-09-24 | 无锡市中达电机有限公司 | Motor bearing device especially for helical gear compressor |
| CN201194359Y (en) * | 2008-04-30 | 2009-02-11 | 无锡市中达电机有限公司 | Motor bearing apparatus special for beveled wheel compressor |
| CN202696338U (en) * | 2012-07-11 | 2013-01-23 | 无锡市中达电机有限公司 | Motor bearing mechanism special for compressor |
-
2012
- 2012-07-11 CN CN2012102402151A patent/CN102751808A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272072A (en) * | 2008-04-30 | 2008-09-24 | 无锡市中达电机有限公司 | Motor bearing device especially for helical gear compressor |
| CN201194359Y (en) * | 2008-04-30 | 2009-02-11 | 无锡市中达电机有限公司 | Motor bearing apparatus special for beveled wheel compressor |
| CN202696338U (en) * | 2012-07-11 | 2013-01-23 | 无锡市中达电机有限公司 | Motor bearing mechanism special for compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051100A (en) * | 2012-12-03 | 2013-04-17 | 江苏航天动力机电有限公司 | Novel vertical direct-current motor structure |
| CN103457391A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Structure for preventing motor bearing from going to outer ring |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121024 |