CN207968156U - One kind is for stirring industry permanent-magnet synchronous direct drive motor bearing structure - Google Patents
One kind is for stirring industry permanent-magnet synchronous direct drive motor bearing structure Download PDFInfo
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- CN207968156U CN207968156U CN201820142228.8U CN201820142228U CN207968156U CN 207968156 U CN207968156 U CN 207968156U CN 201820142228 U CN201820142228 U CN 201820142228U CN 207968156 U CN207968156 U CN 207968156U
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- bearing
- roller
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- axle stretch
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Abstract
The utility model patent discloses a kind of for stirring industry permanent-magnet synchronous direct drive motor bearing structure, it includes axle stretch end bearing and tail bearing, the axle stretch end bearing includes a set of cylinder roller bearing, two sets of roller thrust bearings, and adjustment spring is equipped between two sets of roller thrust bearings；The tail bearing includes a set of Self-aligning bearing and outer ring anti-rotation member.The axle stretch end bearing and tail bearing collective effect bear rotor weight, agitating paddle weight, unilateral magnetic force, axial unbalanced magnetic pull, stirring liquid to agitating paddle reaction axial force, agitated liquid to the counteractive radial load of agitating paddle, and common guarantee motor is steady, reliably operates.
Description
Technical field
The utility model is related to a kind of permanent-magnet synchronous direct drive bearings of motor, especially a kind of same for stirring industry permanent magnetism
Step is straight to drive motor bearing structure.
Background technology
Currently, domestic chemical industry stirring corporate boss will use the structure type of common electric machine+speed reducer, bearing in reduction gears to adopt
With a pair of of taper roll bearing arrangement form.It is low with overall efficiency, a series of problems, such as energy consumption is high, and maintenance cost is high, especially
It is in whipping process, agitating paddle bears prodigious moment of flexure, torque-combining effect, and bearing in reduction gears is made to lose rotation essence quickly
Degree in turn results in bearing wear, and gear wear is accelerated, the speed reducer lost of life；Therefore increase user use, safeguard at
This, reduces production efficiency.
In recent years, industry is stirred in chemical industry, the driving structure form using permanent-magnet synchronous direct drive motor+frequency converter is more next
More extensive, it has many advantages, such as, and overall efficiency is high, it is low to safeguard, overload startup ability is big, but since stirring industry operating mode loads,
Shaft strength harsh conditions, if not doing special designing, motor bearings can be also quickly damaged, and in turn result in motor damage, be caused
User's property loss.
Invention content
In view of the deficiencies of the prior art, the utility model provides a kind of for stirring industry permanent-magnet synchronous direct drive motor reel
Bearing structure.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：
For one kind for stirring industry permanent-magnet synchronous direct drive motor bearing structure, the bearing arrangement includes axle stretch end bearing
And tail bearing, the axle stretch end bearing are set to shaft extension one end, the tail bearing is set to electronic drive end unit.
Further improve is that the axle stretch end bearing includes a set of cylinder roller bearing, two sets of cylindrical roller thrusts
Bearing, the cylinder roller bearing and roller thrust bearing are set gradually along shaft extension end of motor to electronic drive end unit, institute
It states and is equipped with adjustment spring between two sets of roller thrust bearings, the opposite spring that adjusts of two sets roller thrust bearings is symmetrically set
It sets；The adjustment spring is detachably connected with two sets of roller thrust bearings.The adjustment spring provides bearing pre-fastening, inhales
Receive uneven load shock and vibration.
Further improve is that the tail bearing includes a set of Self-aligning bearing and outer ring anti-rotation structure.
Further improve is that the Self-aligning bearing is spheric roller bearing or CARB annulus roller bearing or self-regulated
Heart ball bearing.
Further improve is that the anti-assembling structure in outer ring is corrugated gasket or sealing ring.
Using the technical solution of the utility model, a set of cylinder roller bearing bears the radial load suffered by motor, i.e. blade
The moment of flexure that is generated in whipping process, torque；Two sets of roller thrust bearings bear the axial force suffered by motor, i.e. blade exists
The additional axial force generated in whipping process, rotor weight etc.；Adjustment spring adjustment between two sets of roller thrust bearings
Gap between bearing plays the role of the minimum pretightning force of adjustment, absorbs axial vibration, the structure is allow to absorb impact load
Lotus.
Tail bearing is acted on by self-regulated heart ball bearing automatic aligning, and the structure is allow to bear axle stretch end bearing and tail portion
Bearing machining, assembly decentraction, the abrasion caused by bearing, noise etc., specifically, self-regulated heart spherical roller bearing have the rolling of two row
Son, there are one shared spherical raceway, there are two raceways for inner ring, have a certain degree with the vertical axis of bearing, can for outer ring
Bear the error that axis caused by bending or mismachining tolerance because of axis is misaligned with bearing block；Corrugated gasket or sealing ring pass through bullet
Property deformation generate pretightning force, act on bearing outer ring, prevent bearing outer ring from rotating.
One main function of tail bearing is aligning, because there is the load radial load born when stirring in front end, is put by the arm of force
It is big to be applied to axle stretch end bearing and tail bearing, it loads axial power and is mainly born by axle stretch end bearing；Axle stretch end bearing and tail portion
Bearing collective effect bears rotor weight, agitating paddle weight, unilateral magnetic force, axial unbalanced magnetic pull, stirring liquid pair
Agitating paddle reaction axial force, agitated liquid ensure that permasyn morot is gone in stirring to the counteractive radial load of agitating paddle
Under the operating mode of industry harshness, safe and reliable operation, the maintenance cost reduced, the production efficiency improved.
The utility model is checked by rational force analysis, stringent bearing life, by optimizing bearing span and axis
Bearing structure optimizes the force-bearing situation of bearing, keeps the stress of front and back bearings more reasonable, and bearing life is made to improve 2 times compared with ordinary construction
More than.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model axle stretch end bearing arrangement schematic diagram；
Fig. 3 is the tail bearing structural schematic diagram of the utility model embodiment one；
Fig. 4 is the tail bearing structural schematic diagram of the utility model embodiment two；
Fig. 5 is the tail bearing structural schematic diagram of the utility model embodiment three；
Wherein, 1, cylinder roller bearing；2, roller thrust bearing；3, spring is adjusted, 4, Self-aligning bearing；5, outer ring
Anti-rotation structure.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making new to this practicality
The disclosure of type understands more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more relevant Listed Items.
For ease of those skilled in the art understand that technical solutions of the utility model, new to this practicality in conjunction with Figure of description
Type scheme is described in further detail.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of for stirring industry permanent-magnet synchronous direct drive motor reel
Bearing structure, the bearing arrangement include axle stretch end bearing and tail bearing, and the axle stretch end bearing is set to shaft extension one end,
The tail bearing is set to electronic drive end unit.
The axle stretch end bearing includes 1, two set of roller thrust bearing 2 of a set of cylinder roller bearing, the cylinder rolling
Sub- bearing 1 and roller thrust bearing 2 are set gradually along shaft extension end of motor to electronic drive end unit, two sets of cylindrical rollers
Adjustment spring 3 is equipped between thrust bearing 2, the opposite adjustment spring 3 of two sets of roller thrust bearings 2 is symmetrical arranged；The tune
Whole spring.
The tail bearing includes a set of Self-aligning bearing 4 and outer ring anti-rotation structure 5.
The Self-aligning bearing 4 is spheric roller bearing.
The outer ring anti-rotation structure 5 is corrugated gasket.
Embodiment 2
As shown in Figure 1, Figure 2 and Figure 4, the utility model provides a kind of for stirring industry permanent-magnet synchronous direct drive motor reel
Bearing structure, the bearing arrangement include axle stretch end bearing and tail bearing, and the axle stretch end bearing is set to shaft extension one end,
The tail bearing is set to electronic drive end unit.
The axle stretch end bearing includes 1, two set of roller thrust bearing 2 of a set of cylinder roller bearing, the cylinder rolling
Sub- bearing 1 and roller thrust bearing 2 are set gradually along shaft extension end of motor to electronic drive end unit, two sets of cylindrical rollers
Adjustment spring 3 is equipped between thrust bearing 2, the opposite adjustment spring 3 of two sets of roller thrust bearings 2 is symmetrical arranged；The tune
Whole spring.
The tail bearing includes a set of Self-aligning bearing 4 and outer ring anti-rotation structure 5.
The Self-aligning bearing 4 is CARB annulus roller bearings.
The outer ring anti-rotation structure 5 is sealing ring.
Embodiment 3
As shown in Figure 1, Figure 2 and shown in Fig. 5, the utility model provides a kind of for stirring industry permanent-magnet synchronous direct drive motor reel
Bearing structure, the bearing arrangement include axle stretch end bearing and tail bearing, and the axle stretch end bearing is set to shaft extension one end,
The tail bearing is set to electronic drive end unit.
The axle stretch end bearing includes 1, two set of roller thrust bearing 2 of a set of cylinder roller bearing, the cylinder rolling
Sub- bearing 1 and roller thrust bearing 2 are set gradually along shaft extension end of motor to electronic drive end unit, two sets of cylindrical rollers
Adjustment spring 3 is equipped between thrust bearing 2, the opposite adjustment spring 3 of two sets of roller thrust bearings 2 is symmetrical arranged；The tune
Whole spring.
The tail bearing includes a set of Self-aligning bearing 4 and outer ring anti-rotation structure 5.
The Self-aligning bearing 4 is self-regulated heart ball bearing.
The outer ring anti-rotation structure 5 is corrugated gasket.
Bearing arrangement in the utility model has decomposed the stress of motor bearings, and 2 times are improved compared with traditional structure bearing life
More than.
A set of cylinder roller bearing bears the radial load suffered by motor, i.e., blade generates in whipping process moment of flexure is turned round
Square；Two sets of roller thrust bearings bear the axial force suffered by motor, i.e., the additional axial direction that blade generates in whipping process
Power, rotor weight etc.；The gap between adjustment spring adjustment bearing between two sets of roller thrust bearings, plays adjustment most
Small pretightning force absorbs the effect of axial vibration, and the structure is allow to absorb impact load.
Tail bearing is acted on by Self-aligning bearing automatic aligning, and the structure is allow to bear axle stretch end bearing and tail portion axis
Processing, assembly decentraction are held, the abrasion caused by bearing, noise etc., specifically, self-regulated heart spherical roller bearing have the rolling of two row
Son, there are one shared spherical raceway, there are two raceways for inner ring, have a certain degree with the vertical axis of bearing, can for outer ring
Bear the error that axis caused by bending or mismachining tolerance because of axis is misaligned with bearing block；Corrugated gasket or sealing ring pass through bullet
Property deformation generate pretightning force, act on bearing outer ring, prevent bearing outer ring from rotating.
The above is only the preferred embodiment to the utility model, is not to do other shapes to the utility model
The limitation of formula, any person skilled in the art are changed or are modified as possibly also with the technology contents of the disclosure above
With the equivalent embodiment of variation.But every without departing from the content of the technical scheme of the utility model, the technology according to the utility model
Substantive any simple modification, equivalent change and modification made to the above embodiment, still fall within technical solutions of the utility model
Protection domain.
Claims (3)
1. one kind is for stirring industry permanent-magnet synchronous direct drive motor bearing structure, which is characterized in that the bearing arrangement includes
Axle stretch end bearing and tail bearing, the axle stretch end bearing are set to shaft extension one end, and axle stretch end bearing includes a set of cylinder
Roller bearing（1）, two sets of roller thrust bearings（2）, the cylinder roller bearing（1）And roller thrust bearing（2）
It is set gradually along shaft extension end of motor to electronic drive end unit, two sets of roller thrust bearings（2）Between be equipped with adjustment bullet
Spring（3）, two sets of roller thrust bearings（2）Opposite adjustment spring（3）It is symmetrical arranged；The adjustment spring and two sets of cylinders roll
Sub- thrust bearing is detachably connected；The tail bearing is set to electronic drive end unit, and the tail bearing includes a set of self-regulated mandrel
It holds（4）With outer ring anti-rotation structure（5）.
2. a kind of for stirring industry permanent-magnet synchronous direct drive motor bearing structure according to claim 1, which is characterized in that
The Self-aligning bearing（4）For spheric roller bearing or CARB annulus roller bearing or self-regulated heart ball bearing.
3. a kind of for stirring industry permanent-magnet synchronous direct drive motor bearing structure according to claim 1, which is characterized in that
The outer ring anti-rotation structure (5) is corrugated gasket or sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820142228.8U CN207968156U (en) | 2018-01-29 | 2018-01-29 | One kind is for stirring industry permanent-magnet synchronous direct drive motor bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820142228.8U CN207968156U (en) | 2018-01-29 | 2018-01-29 | One kind is for stirring industry permanent-magnet synchronous direct drive motor bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968156U true CN207968156U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820142228.8U Active CN207968156U (en) | 2018-01-29 | 2018-01-29 | One kind is for stirring industry permanent-magnet synchronous direct drive motor bearing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011465A (en) * | 2018-01-29 | 2018-05-08 | 南京迪瓦机械制造有限公司 | One kind is used to stir industry permanent-magnet synchronous direct drive motor bearing structure |
-
2018
- 2018-01-29 CN CN201820142228.8U patent/CN207968156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011465A (en) * | 2018-01-29 | 2018-05-08 | 南京迪瓦机械制造有限公司 | One kind is used to stir industry permanent-magnet synchronous direct drive motor bearing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Permanent magnet synchronous direct-driven motor bearing structure of the stirring industry Effective date of registration: 20190920 Granted publication date: 20181012 Pledgee: Zijin Branch of Nanjing Bank Co., Ltd. Pledgor: NANJING DIWA MACHINERY MANUFACTURING CO., LTD. Registration number: Y2019980000183 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210917 Granted publication date: 20181012 Pledgee: Zijin Branch of Nanjing Bank Co.,Ltd. Pledgor: NANJING DIWA MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2019980000183 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |