CN206442276U - A kind of permanent-magnet speed governor speed adjusting gear - Google Patents
A kind of permanent-magnet speed governor speed adjusting gear Download PDFInfo
- Publication number
- CN206442276U CN206442276U CN201720091163.4U CN201720091163U CN206442276U CN 206442276 U CN206442276 U CN 206442276U CN 201720091163 U CN201720091163 U CN 201720091163U CN 206442276 U CN206442276 U CN 206442276U
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- China
- Prior art keywords
- thrust bearing
- output shaft
- permanent
- lead screw
- driven
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- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
A kind of permanent-magnet speed governor speed adjusting gear, including regulation motor, driving gear, driven gear, hollow lead screw, adjusting nut, pull bar, sliding sleeve, the first thrust bearing and the second thrust bearing；Permanent-magnet speed governor includes power rotor, driven rotor and the output shaft being coaxially set, the inner ring of first thrust bearing is assemblied on the right side of output shaft, hollow lead screw is assemblied in the outer ring of the first thrust bearing, driven gear coaxial line is fixedly connected on the right side of hollow lead screw outer ring, and adjusting nut is threaded on hollow lead screw；The inner ring of second thrust bearing is assemblied in driven rotor outer wall, and sliding sleeve inner hole wall is assemblied in the outer ring of the second thrust bearing, and pull bar left end and right-hand member are fixedly connected with sliding sleeve and adjusting nut respectively.The utility model not only increases the compactedness of permanent-magnet speed governor speed governing by the screw-driven of hollow lead screw, it is possible to achieve fine setting, also substantially increases the precision and stationarity of transmission.
Description
Technical field
The utility model belongs to permanent magnetic speed-adjusting technical field, more particularly to a kind of permanent-magnet speed governor speed adjusting gear.
Background technology
Permanent-magnet speed governor is mainly made up of conductor rotor, p-m rotor and the part of speed adjusting gear three, and conductor rotor is fixed on
On motor output shaft, p-m rotor is arranged on output shaft.There is gap (being referred to as air gap) between conductor rotor and p-m rotor.Adjust
Fast mechanism controls p-m rotor is moved axially in reciprocal fashion, to change the air gap between conductor rotor and p-m rotor, so as to adjust
Load speed.
Conventional permanent-magnet speed governor speed adjusting gear mainly has pinion and-rack, cam-type, oblique slot type etc., this kind of speed governing at present
Often physical dimension is larger for mechanism, and space-consuming is more, and degree of regulation is relatively low.
Utility model content
There is provided a kind of compact conformation, degree of regulation are high, steady in order to solve weak point of the prior art for the utility model
It is qualitative it is strong, available for disc type and the speed adjusting gear of cartridge type permanent-magnet speed governor.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：A kind of permanent-magnet speed governor speed adjusting gear,
Including regulation motor, driving gear, driven gear, hollow lead screw, adjusting nut, pull bar, sliding sleeve, guide rail, the first thrust bearing
With the second thrust bearing；
Permanent-magnet speed governor includes power rotor, driven rotor and the output shaft being coaxially set, it is assumed that output shaft level is set
Put, by power intake of the left end of output shaft, right-hand member be clutch end, power rotor right flank and driven rotor left surface
Between there is gap, driven rotor center offers through hole, and output shaft left end coordinates with through hole to be installed, outer wall edge on the left of output shaft
Axis direction is provided with feather key, and the through-hole wall of driven rotor is offered in the axial direction leads with feather key axial sliding fit
To groove；
The inner ring of first thrust bearing is assemblied in the right side of output shaft, and the inner hole wall of hollow lead screw is assemblied in the first thrust axis
The outer ring held, driven gear coaxial line is arranged and is fixedly connected on the right side of hollow lead screw outer ring, and driving gear is arranged on regulation electricity
Engaged on the main shaft of machine and with driven gear, adjusting nut is threaded on hollow lead screw, adjusting nut outer wall is along axis side
The guide groove being slidably matched to offering with guide rail；The inner ring of second thrust bearing is assemblied in driven rotor outer wall, sliding sleeve endoporus
Wall fits over the outer ring of the second thrust bearing, and pull bar left end and right-hand member are fixedly connected with sliding sleeve and adjusting nut respectively.
First thrust bearing is provided with two, and output shaft is provided with what is contacted with the first thrust bearing inner ring left surface in left side
The clamp nut with the first thrust bearing inner ring right flank press fit on right side is threaded with the shaft shoulder, output shaft, it is hollow
Leading screw inwall is provided with the ring-shaped step with two the first thrust bearing outer ring press fits.
The left gland that is arranged with driven rotor on the left of the second thrust bearing and on the right side of the second thrust bearing
Right gland, left gland excircle has been wholely set left limit ring, and right gland excircle has been wholely set right limit ring, and sliding sleeve is pressed from both sides
Hold between left limit ring and right limit ring.
Sliding sleeve is cylindrical symmetrically to offer two grooves on the center of circle, and pull bar is provided with two, and the left end of every pull bar is assembled
In a groove.
Using above-mentioned technical proposal, the regulation motor in the utility model, which is fixed, to be located on the pedestal of permanent-magnet speed governor, is led
Rail is fixed on the pedestal of permanent-magnet speed governor.Permanent-magnet speed governor is in normal operation, and power rotor magnetically-actuated driven rotor turns
Dynamic, driven rotor drives output shaft to rotate by feather key, and the inner ring of the first thrust bearing and the second thrust bearing is with driven
Rotor and output shaft rotation, the outer ring of the first thrust bearing, the outer ring of the second thrust bearing, sliding sleeve and hollow lead screw are motionless.
When needing to carry out speed governing, start regulation motor, regulation motor drives driving gear to rotate, engaged with driving gear
Driven gear rotate, driven gear drive hollow lead screw rotate, be threaded in the adjusting nut on hollow lead screw in guide rail
Restriction under, not as hollow lead screw is rotated, can only be moved axially along hollow lead screw, sliding sleeve is thus driven along axle by pull bar
Moved to direction, under the clamping for sliding over left limit ring and right limit ring, drive axial direction of the driven rotor along output shaft to move
It is dynamic, the size in gap between power rotor right flank and driven rotor left surface is thus adjusted, so as to reach the purpose of speed governing.
In summary, the utility model can be used for the speed governing of disc type and cartridge type permanent-magnet speed governor, pass through hollow lead screw
Screw-driven not only increases the compactedness of permanent-magnet speed governor, can also realize fine setting, substantially increases the precision peace of transmission
Stability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in figure 1, a kind of permanent-magnet speed governor speed adjusting gear of the present utility model, including regulation motor 1, driving gear 2,
Driven gear 3, hollow lead screw 4, adjusting nut 5, pull bar 6, sliding sleeve 7, guide rail 22, the first thrust bearing 8 and the second thrust bearing
9。
Permanent-magnet speed governor includes power rotor 10, driven rotor 11 and the output shaft 12 being coaxially set, it is assumed that output shaft
12 are horizontally disposed with, by power intake of the left end of output shaft 12, right-hand member be clutch end, the right flank of power rotor 10 and from
There is gap 13 between the dynamic left surface of rotor 11, the center of driven rotor 11 offers through hole, and the left end of output shaft 12, which is plugged, to be assemblied in
In through hole, the left side outer wall of output shaft 12 is provided with feather key 14 in the axial direction, and the through-hole wall of driven rotor 11 is in the axial direction
It is provided with the guide groove with the axial sliding fit of feather key 14.
The inner ring of first thrust bearing 8 is assemblied in the right side of output shaft 12, and the inner hole wall of hollow lead screw 4 is assemblied in first and pushed away
The outer ring of power bearing 8, the coaxial line of driven gear 3 is arranged and is fixedly connected on the right side of the outer ring of hollow lead screw 4, and driving gear 2 is installed
Engaged on the main shaft of regulation motor 1 and with driven gear 3, adjusting nut 5 is threaded on hollow lead screw 4, adjusting nut 5
Outer wall offers the guide groove being slidably matched with guide rail 22 in the axial direction；The inner ring of second thrust bearing 9 is assemblied in driven turn
Sub 11 outer walls, the inner hole wall of sliding sleeve 7 is assemblied in the outer ring of the second thrust bearing 9, and the left end of pull bar 6 and right-hand member are respectively with sliding sleeve 7 and adjusting
Section nut 5 is fixedly connected.
First thrust bearing 8 is provided with two, and output shaft 12 connects provided with the inner ring left surface of the first thrust bearing 8 with left side
The fastening with the inner ring right flank press fit of the first thrust bearing 8 on right side is threaded with the tactile shaft shoulder 15, output shaft 12
Nut 16, the inwall of hollow lead screw 4 is provided with the ring-shaped step 17 with two outer ring press fits of the first thrust bearing 8.
It is arranged with driven rotor 11 positioned at the left gland 18 in the left side of the second thrust bearing 9 and positioned at the second thrust bearing 9
The right gland 19 on right side, the left excircle of gland 18 has been wholely set left limit ring 20, and the right excircle of gland 19 has been wholely set the right side
Spacing ring 21, sliding sleeve 7 is clamped between left limit ring 20 and right limit ring 21.
Sliding sleeve 7 is cylindrical symmetrically to offer two grooves on the center of circle, and pull bar 6 is provided with two, and the left end of every pull bar 6 is filled
Fit in a groove.
Regulation motor 1 in the utility model, which is fixed, to be located on the pedestal of permanent-magnet speed governor, and guide rail 22 is fixed on permanent magnetism tune
On the pedestal of fast device.Permanent-magnet speed governor is in normal operation, and the magnetically-actuated driven rotor 11 of power rotor 10 is rotated, driven rotor
11 drive output shaft 12 to rotate by feather key 14, and the inner ring of the first thrust bearing 8 and the second thrust bearing 9 is with driven rotor
11 and output shaft 12 rotate, the outer ring of the first thrust bearing 8, the outer ring of the second thrust bearing 9, sliding sleeve 7 and hollow lead screw 4 are not
It is dynamic.
When needing to carry out speed governing, start regulation motor 1, regulation motor 1 drives driving gear 2 to rotate, with driving gear 2
The driven gear 3 of engagement is rotated, and driven gear 3 drives hollow lead screw 4 to rotate, and is threaded in the regulation spiral shell on hollow lead screw 4
Mother 5 is under the restriction of guide rail 22, not as hollow lead screw 4 is rotated, and can only be moved along the axis direction of hollow lead screw 4 and guide rail 22
It is dynamic, thus drive sliding sleeve 7 in axial direction to move by pull bar 6, clamping of the sliding sleeve 7 in left limit ring 20 and right limit ring 21
Under, drive axial direction of the driven rotor 11 along output shaft 12 to move, thus adjust the right flank of power rotor 10 and driven turn
The size in gap 13 between sub 11 left surfaces, so as to reach the purpose of speed governing.
The present embodiment not makees any formal limitation, every foundation to shape of the present utility model, material, structure etc.
Any simple modification, equivalent variations and modification that technical spirit of the present utility model is made to above example, belong to this reality
With the protection domain of new technique scheme.
Claims (4)
1. a kind of permanent-magnet speed governor speed adjusting gear, it is characterised in that：Including regulation motor, driving gear, driven gear, air silk
Thick stick, adjusting nut, pull bar, sliding sleeve, guide rail, the first thrust bearing and the second thrust bearing；
Permanent-magnet speed governor includes power rotor, driven rotor and the output shaft being coaxially set, it is assumed that output shaft is horizontally disposed with, with
The left end of output shaft is that power intake, right-hand member are clutch end, between power rotor right flank and driven rotor left surface
With gap, driven rotor center offers through hole, and output shaft left end coordinates with through hole to be installed, and outer wall is along axis on the left of output shaft
Direction is provided with feather key, and the through-hole wall of driven rotor offers the guiding with feather key axial sliding fit in the axial direction
Groove；
The inner ring of first thrust bearing is assemblied in the right side of output shaft, and the inner hole wall of hollow lead screw is assemblied in the first thrust bearing
Outer ring, driven gear coaxial line is arranged and is fixedly connected on the right side of hollow lead screw outer ring, and driving gear is arranged on regulation motor
Engaged on main shaft and with driven gear, adjusting nut is threaded on hollow lead screw, adjusting nut outer wall is opened in the axial direction
Provided with the guide groove being slidably matched with guide rail；The inner ring of second thrust bearing is assemblied in driven rotor outer wall, sliding sleeve endoporus wall
The outer ring of the second thrust bearing is fitted over, pull bar left end and right-hand member are fixedly connected with sliding sleeve and adjusting nut respectively.
2. a kind of permanent-magnet speed governor speed adjusting gear according to claim 1, it is characterised in that：First thrust bearing is provided with two
It is individual, output shaft be provided with the shaft shoulder that contact with the first thrust bearing inner ring left surface in left side, output shaft be threaded with and
The clamp nut of the first thrust bearing inner ring right flank press fit on right side, hollow lead screw inwall is provided with and pushed away with two first
The ring-shaped step of power bearing outer ring press fit.
3. a kind of permanent-magnet speed governor speed adjusting gear according to claim 1 or 2, it is characterised in that：It is arranged on driven rotor
There are the left gland on the left of the second thrust bearing and the right gland on the right side of the second thrust bearing, left gland excircle one
Left limit ring is provided with, right gland excircle has been wholely set right limit ring, and sliding sleeve is clamped in left limit ring and right limit ring
Between.
4. a kind of permanent-magnet speed governor speed adjusting gear according to claim 1 or 2, it is characterised in that：Sliding sleeve is cylindrical on circle
The heart symmetrically offers two grooves, and pull bar is provided with two, and the left end of every pull bar is assemblied in a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091163.4U CN206442276U (en) | 2017-01-24 | 2017-01-24 | A kind of permanent-magnet speed governor speed adjusting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091163.4U CN206442276U (en) | 2017-01-24 | 2017-01-24 | A kind of permanent-magnet speed governor speed adjusting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206442276U true CN206442276U (en) | 2017-08-25 |
Family
ID=59636288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720091163.4U Expired - Fee Related CN206442276U (en) | 2017-01-24 | 2017-01-24 | A kind of permanent-magnet speed governor speed adjusting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206442276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602841A (en) * | 2017-01-24 | 2017-04-26 | 河南理工大学 | Permanent-magnet speed regulator speed regulation mechanism |
| CN107962432A (en) * | 2018-01-09 | 2018-04-27 | 河南理工大学 | A kind of clamping axis system for electrochemical grinding thin discs class workpiece |
-
2017
- 2017-01-24 CN CN201720091163.4U patent/CN206442276U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602841A (en) * | 2017-01-24 | 2017-04-26 | 河南理工大学 | Permanent-magnet speed regulator speed regulation mechanism |
| CN107962432A (en) * | 2018-01-09 | 2018-04-27 | 河南理工大学 | A kind of clamping axis system for electrochemical grinding thin discs class workpiece |
| CN107962432B (en) * | 2018-01-09 | 2023-09-26 | 河南理工大学 | Clamping main shaft system for electrolytic grinding of thin disc workpieces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20180124 |