CN104505979A - Axial locking mechanism of rolling thrust bearing of vertical motor - Google Patents
Axial locking mechanism of rolling thrust bearing of vertical motor Download PDFInfo
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- CN104505979A CN104505979A CN201410798139.5A CN201410798139A CN104505979A CN 104505979 A CN104505979 A CN 104505979A CN 201410798139 A CN201410798139 A CN 201410798139A CN 104505979 A CN104505979 A CN 104505979A
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- thrust bearing
- rolling thrust
- axial
- locking nut
- locking mechanism
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- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses an axial locking mechanism of a rolling thrust bearing of a vertical motor. The axial locking mechanism comprises a stop step, a stop gasket and a locking nut; the axial locking mechanism is characterized in that a stop ring groove is formed in a motor rotating shaft which is rotationally arranged at one side of the locking nut and is arranged on the end surface of the rolling thrust bearing; two semicircular stop rings of which the cross sections are rectangular are clamped in the stop ring grooves; a locating ring which is provided with an inner step is arranged on the motor rotating shaft in a sleeving way and enables the stop rings to be arranged in the inner step in a sleeving way, and the stop gasket is arranged at the upper part of the locating ring in the sleeving way and is fastened by adopting the locking nut. The axial locking mechanism of the rolling thrust bearing of the vertical motor, disclosed by the invention, has the beneficial effects and the technical effects that the axial bearing capacity of the locking mechanism of the rolling thrust bearing can be effectively increased, a motor rotor and the motor rotating shaft are enabled not to loose or fall off under the action of a large axial force, in addition, the structure is simple, the cost is lower, and the performance is reliable.
Description
Technical field
The present invention relates to the axial locking technology of vertical machine rolling thrust bearing, be related specifically to the axial retaining mechanism of a kind of vertical machine rolling thrust bearing.
Background technology
The axial retaining mechanism of prior art vertical machine rolling thrust bearing adopts stopping step, stop washer and locking nut to be fixed on the rotating shaft usually.For preventing rolling thrust bearing from being polluted, be respectively arranged with internal bearing cover and bearing end cover in the both sides of rolling thrust bearing.During concrete installation, motor rotation axis arranges stopping step, by rolling thrust bearing suit on the rotating shaft, be close to stopping step, cover is loaded onto stop washer and is used locking nut fastening again, then, installs internal bearing cover and bearing end cover respectively in the both sides of rolling thrust bearing.But in motor operation course, load can produce a motive force vertically downward to motor rotation axis, thus drive motor rotor produces the trend moved downward.Now there is stronger interaction between rotor and stator, rotor is stoped to move downward along with rotation axis, make to produce relative motion between rolling thrust bearing and rotation axis, thus make stop washer and locking nut bear larger axial force, and stop washer is set with on the rotating shaft, all axial forces all act on locking nut.When this axial force is enough large, possible damage lock jack panel, or/and screw thread on rotation axis, makes the inefficacy of locking nut, makes rotor and rotation axis loosen or come off, thus accidents caused.Obviously, the axial retaining mechanism of prior art vertical machine rolling thrust bearing also exists and can not bear larger axial force, may make the inefficacy of locking nut, makes rotor and rotation axis loosening or come off, thus the problem such as accidents caused.
Summary of the invention
Larger axial force can not be born for the axial retaining mechanism of solution prior art vertical machine rolling thrust bearing also exists, the inefficacy of locking nut may be made, rotor and rotation axis is made to loosen or come off, thus the problem such as accidents caused, the present invention proposes the axial retaining mechanism of a kind of vertical machine rolling thrust bearing.The axial retaining mechanism of vertical machine rolling thrust bearing of the present invention comprises stopping step, stop washer and locking nut, it is characterized in that, the motor rotation axis of spinning locking nut one side roll thrust bearing end arranges snap ring groove, two cross sections are that the semicircle locating snap ring of rectangle is installed in snap ring groove, locating ring with interior step is sleeved on machine shaft and by locating snap ring and is sleeved on interior step inside, be set with stop washer on the top of locating ring, and adopt locking nut fastening.
The Advantageous Effects of the axial retaining mechanism of vertical machine rolling thrust bearing of the present invention is the axial carrying capacity that effectively can improve rolling thrust bearing retaining mechanism, ensure that rotor and rotation axis also can not produce under larger responsive to axial force to loosen or come off, and, structure is simple, cost is lower, dependable performance.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of the axial retaining mechanism of prior art vertical machine rolling thrust bearing;
Accompanying drawing 2 is the schematic diagram of the axial retaining mechanism of vertical machine rolling thrust bearing of the present invention.
Below in conjunction with the drawings and specific embodiments, the axial retaining mechanism of vertical machine rolling thrust bearing of the present invention is further described.
Embodiment
Accompanying drawing 1 is the schematic diagram of the axial retaining mechanism of prior art vertical machine rolling thrust bearing, and in figure, 1 is rolling thrust bearing, and 2 is internal bearing cover, and 3 is bearing end cover, and 4 is stop washer, and 5 is locking nut, and 6 is rotation axis.As seen from the figure, the axial retaining mechanism of prior art vertical machine rolling thrust bearing adopts stopping step, stop washer 4 and locking nut 5 to be fixed on rotation axis 6 usually.During concrete installation, motor rotation axis 6 arranges stopping step, rolling thrust axis bearing sleeve 1 to be contained on rotation axis 6 and to be close to stopping step, then cover loads onto stop washer 4 and fastening with locking nut 5, then, internal bearing cover 2 and bearing end cover 3 is installed respectively in the both sides of rolling thrust bearing.But in motor operation course, load can produce a motive force vertically downward to motor rotation axis, thus drive motor rotor produces the trend moved downward.Now there is stronger interaction between rotor and stator, rotor is stoped to move downward along with rotation axis, make to produce relative motion between rolling thrust bearing and rotation axis, thus make stop washer and locking nut bear larger axial force, and stop washer is set with on the rotating shaft, all axial forces all act on locking nut.When this axial force is enough large, possible damage lock jack panel, or/and screw thread on rotation axis, makes the inefficacy of locking nut, makes rotor and rotation axis loosen or come off, thus accidents caused.Obviously, the axial retaining mechanism of prior art vertical machine rolling thrust bearing also exists and can not bear larger axial force, may make the inefficacy of locking nut, makes rotor and rotation axis loosening or come off, thus the problem such as accidents caused.
Accompanying drawing 2 is the schematic diagram of the axial retaining mechanism of vertical machine rolling thrust bearing of the present invention, and in figure, 1 is rolling thrust bearing, and 2 is internal bearing cover, and 3 is bearing end cover, and 4 is stop washer, and 5 is locking nut, and 6 is rotation axis, and 7 is locating snap ring, and 8 is locating ring.As seen from the figure, the axial retaining mechanism of vertical machine rolling thrust bearing of the present invention comprises stopping step, stop washer 4 and locking nut 5, it is characterized in that, the motor rotation axis of spinning locking nut one side roll thrust bearing end arranges snap ring groove, two cross sections are that the semicircle locating snap ring 7 of rectangle is installed in snap ring groove, locating ring 8 with interior step is sleeved on machine shaft and by locating snap ring 7 and is sleeved on interior step inside, be set with stop washer 4 on the top of locating ring 8, and adopt locking nut 5 fastening.The axial retaining mechanism of vertical machine rolling thrust bearing of the present invention adopts locating snap ring to bear axial force, is the semicircle of rectangle, can snaps in the snap ring groove rotation axis, form an annulus from the radial direction of rotation axis because locating snap ring is two cross sections.And step is sleeved on outside locating snap ring in locating ring, locating snap ring can be kept on the one hand to form a complete annulus, can ensure that two semicircles of locating snap ring can not move by outward radial on the other hand.Be rectangle due to locating snap ring cross section and be installed in snap ring groove, improve the axial carrying capacity of retaining mechanism significantly, even if also locating snap ring can not be destroyed when axial force is enough large, thus ensure that rotor and rotation axis also can not produce loosening or come off under larger responsive to axial force, and then accidents caused.The Main Function of the axial retaining mechanism locking nut of vertical machine rolling thrust bearing of the present invention is fastened on above locating snap ring by locating ring, makes the interior step of locating ring entangle locating snap ring tightly, ensure its retaining mechanism under external force, can not lose efficacy.
Obviously, the Advantageous Effects of the axial retaining mechanism of vertical machine rolling thrust bearing of the present invention is the axial carrying capacity that effectively can improve rolling thrust bearing retaining mechanism, ensure that rotor and rotation axis also can not produce under larger responsive to axial force to loosen or come off, and, structure is simple, cost is lower, dependable performance.
Claims (1)
1. the axial retaining mechanism of vertical machine rolling thrust bearing, comprise, stopping step, stop washer and locking nut, it is characterized in that, the motor rotation axis of spinning locking nut one side roll thrust bearing end arranges snap ring groove, two cross sections are that the semicircle locating snap ring of rectangle is installed in snap ring groove, locating ring with interior step is sleeved on machine shaft and by locating snap ring and is sleeved on interior step inside, be set with stop washer on the top of locating ring, and adopt locking nut fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798139.5A CN104505979B (en) | 2014-12-18 | 2014-12-18 | Vertical machine rolls the axial retaining mechanism of thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798139.5A CN104505979B (en) | 2014-12-18 | 2014-12-18 | Vertical machine rolls the axial retaining mechanism of thrust bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104505979A true CN104505979A (en) | 2015-04-08 |
| CN104505979B CN104505979B (en) | 2017-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410798139.5A Active CN104505979B (en) | 2014-12-18 | 2014-12-18 | Vertical machine rolls the axial retaining mechanism of thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104505979B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132021Y (en) * | 1992-06-22 | 1993-05-05 | 隆昌祝 | Suspended thrust bearing for hydraulic turbine generaotr |
| CN201896870U (en) * | 2011-01-20 | 2011-07-13 | 大连华阳光大密封有限公司 | Bearing retainer ring for rolling bearing |
| CN201925356U (en) * | 2010-09-02 | 2011-08-10 | 阀安格水处理系统(太仓)有限公司 | Structure applying one-way thrust bearing |
| CN204304693U (en) * | 2014-12-18 | 2015-04-29 | 重庆赛力盟电机有限责任公司 | The axial retaining mechanism of vertical machine rolling thrust bearing |
-
2014
- 2014-12-18 CN CN201410798139.5A patent/CN104505979B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132021Y (en) * | 1992-06-22 | 1993-05-05 | 隆昌祝 | Suspended thrust bearing for hydraulic turbine generaotr |
| CN201925356U (en) * | 2010-09-02 | 2011-08-10 | 阀安格水处理系统(太仓)有限公司 | Structure applying one-way thrust bearing |
| CN201896870U (en) * | 2011-01-20 | 2011-07-13 | 大连华阳光大密封有限公司 | Bearing retainer ring for rolling bearing |
| CN204304693U (en) * | 2014-12-18 | 2015-04-29 | 重庆赛力盟电机有限责任公司 | The axial retaining mechanism of vertical machine rolling thrust bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104505979B (en) | 2017-11-03 |
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