CN206442240U - A kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation - Google Patents
A kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation Download PDFInfo
- Publication number
- CN206442240U CN206442240U CN201720093120.XU CN201720093120U CN206442240U CN 206442240 U CN206442240 U CN 206442240U CN 201720093120 U CN201720093120 U CN 201720093120U CN 206442240 U CN206442240 U CN 206442240U
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- China
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- pull bar
- driven rotor
- permanent
- output shaft
- rotor
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Abstract
A kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation, including regulation motor, leading screw, nut, pull bar, feather key, guide rail；Permanent-magnet speed governor includes power rotor, driven rotor and the output shaft being coaxially set, and driven rotor center offers through hole, and output shaft left end is projected axially into through hole；It is connected on the left of output shaft between outer wall and the through-hole wall of driven rotor by feather key；The main shaft of regulation motor is coaxially connected by one end of shaft coupling and leading screw, and nut is connected with threads of lead screw, and guide rail is parallel with leading screw, and nut outer wall is fixedly connected with the guide pillar that can be slided along guide rail；Pull bar right-hand member is fixedly connected with nut outer wall, and pull bar left end is connected by location structure with driven rotor.The utility model can be used for the speed governing of disc type and cartridge type permanent-magnet speed governor, and the compactedness of permanent-magnet speed governor is not only increased by the screw-driven of leading screw, fine setting can also be realized, the precision and stationarity of transmission is substantially increased.
Description
Technical field
The utility model belongs to permanent magnetic speed-adjusting technical field, more particularly to a kind of permanent-magnet speed governor lead screw driving type speed governing dress
Put.
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 arrangements for speed regulation mainly have 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 cartridge type permanent-magnet speed governor lead screw driving type arrangements for speed regulation.
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 leading screw driving
Formula arrangements for speed regulation, including regulation motor, leading screw, nut, pull bar, feather key, guide rail；
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 is projected axially into through hole；Outer wall on the left of output shaft
It is connected between the through-hole wall of driven rotor by feather key；
The main shaft of regulation motor is coaxially connected by one end of shaft coupling and leading screw, and nut is connected with threads of lead screw, guide rail
Parallel with leading screw, nut outer wall is fixedly connected with the guide pillar that can be slided along guide rail；Pull bar right-hand member is fixedly connected with nut outer wall, is drawn
Bar left end is connected by location structure with driven rotor.
Driven rotor through-hole wall is in axial direction provided with outer wall on the left of keyway, output shaft and is provided with feather key；In pull bar
Pulling under, driven rotor can be moved axially along feather key on output shaft.
Pull bar is of an L-shaped structure；Location structure offers one of annular groove, the left end of pull bar including driven rotor circumferential surface
Portion is extend into annular groove along the radial direction of driven rotor, and the thickness of the left part of pull bar is equal with the width of annular groove, is drawn
The outer surface for the part that bar is extend into annular groove is coated with alloy smooth abrasion-proof layer.
Pull bar is yi word pattern；Location structure includes the thrust bearing that inner ring is assemblied in outside driven rotor, and pull bar left end is with pushing away
The outer ring of power bearing is fixedly connected.
Using above-mentioned technical proposal, regulation motor and guide rail in the utility model are each attached to the pedestal of permanent-magnet speed governor
On.Permanent-magnet speed governor is in normal operation, and power rotor magnetically-actuated driven rotor is rotated, and driven rotor is driven by feather key
Output shaft is rotated, and driven rotor drives output shaft to rotate by feather key, and nut is not rotated under the restriction of guide pillar and guide rail, with
The pull bar that driven rotor is slidably connected and is fixedly connected with nut is not also rotated.
When needing to carry out speed governing, start regulation motor, regulation motor drives leading screw to rotate by shaft coupling, threaded connection
Nut on leading screw is under the restriction of guide pillar and guide rail, not as leading screw is rotated, and can only move axially, thus lead to along leading screw
Crossing pull bar drives driven rotor in axial direction to move, so that between adjusting between power rotor right flank and driven rotor left surface
The size of gap, reaches 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 the screw thread of leading screw
Transmission not only increases the compactedness of permanent-magnet speed governor, can also realize fine setting, substantially increase the precision and stationarity of transmission.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one；
Fig. 2 is the structural representation of the utility model embodiment two.
Embodiment
Embodiment one：As shown in figure 1, a kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation of the present utility model, including
Regulation motor 1, leading screw 2, nut 3, pull bar 4, feather key 5, guide rail 6.
Permanent-magnet speed governor includes power rotor 7, driven rotor 8 and the output shaft 9 being coaxially set, it is assumed that the water of output shaft 9
It is flat to set, by power intake of the left end of output shaft 9, right-hand member be clutch end, the right flank of power rotor 7 and driven rotor
There is gap 10, the center of driven rotor 8 offers through hole, and the left end of output shaft 9 is projected axially into through hole between 8 left surfaces；It is defeated
It is connected between the left side outer wall of shaft 9 and the through-hole wall of driven rotor 8 by feather key 5.
The main shaft of regulation motor 1 is coaxially connected by one end of shaft coupling 11 and leading screw 2, and nut 3 connects with the screw thread of leading screw 2
Connect, guide rail 6 is parallel with leading screw 2, the outer wall of nut 3 is fixedly connected with the guide pillar 12 that can be slided along guide rail 6；The right-hand member of pull bar 4 and nut 3
Outer wall is fixedly connected, and the left end of pull bar 4 is connected by location structure with driven rotor 8.
The through-hole wall of driven rotor 8 is in axial direction provided with keyway, and the left side outer wall of output shaft 9 is provided with feather key 5；Drawing
Under the pulling of bar 4, driven rotor 8 can be moved axially along feather key 5 on output shaft 9.
Pull bar 4 is of an L-shaped structure；Location structure offers one of annular groove 13, pull bar 4 including the circumferential surface of driven rotor 8
Radial direction of the left part along driven rotor 8 extend into annular groove 13, thickness and the annular groove 13 of the left part of pull bar 4
Width is equal, and the outer surface for the part that pull bar 4 is extend into annular groove 13 is coated with alloy smooth abrasion-proof layer.
Regulation motor 1 and guide rail 6 in the utility model are each attached on the pedestal of permanent-magnet speed governor.Permanent-magnet speed governor exists
During normal operation, the magnetically-actuated driven rotor 8 of power rotor 7 is rotated, and driven rotor 8 drives output shaft 9 to revolve by feather key 5
Turn, driven rotor 8 drives output shaft 9 to rotate by feather key 5, and nut 3 is not rotated under the restriction of guide pillar 12 and guide rail 6, with
The pull bar 4 that driven rotor 8 is slidably connected and is fixedly connected with nut 3 is not also rotated, and the annular groove 13 of the left part of pull bar 4 is around drawing
Bar 4 is rotated at a high speed, in the high-speed rotation of driven rotor 8, and the inwall of annular groove 13 is contacted with alloy smooth abrasion-proof layer, alloy
Smooth abrasion-proof layer is substantially reduced abrasion, the gap 10 between power rotor 7 and driven rotor 8 is kept constant.
When needing to carry out speed governing, start regulation motor 1, regulation motor 1 drives leading screw 2 to rotate by shaft coupling 11, spiral shell
Line is connected to nut 3 on leading screw 2 under the restriction of guide pillar 12 and guide rail 6, not as leading screw 2 is rotated, can only be along leading screw 2 axially
It is mobile, thus drive driven rotor 8 in axial direction to move by pull bar 4, so as to adjust the right flank of power rotor 7 and driven
The size in gap 10, reaches the purpose of speed governing between the left surface of rotor 8.
Embodiment two：As shown in Fig. 2 the difference of the embodiment and embodiment is, pull bar 4 is yi word pattern；Location structure
The thrust bearing 14 outside driven rotor 8 is assemblied in including inner ring, the left end of pull bar 4 is fixedly connected with the outer ring of thrust bearing 14.When
When driven rotor 8 is rotated, the inner ring of thrust bearing 14 rotates at a high speed with driven rotor 8, the outer ring of pull bar 4 and thrust bearing 14
Remain stationary.
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 lead screw driving type arrangements for speed regulation, it is characterised in that：Including regulation motor, leading screw, nut, drawing
Bar, feather key, guide rail；
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 is projected axially into through hole；On the left of output shaft outer wall with from
It is connected between the through-hole wall of dynamic rotor by feather key；
The main shaft of regulation motor is coaxially connected by one end of shaft coupling and leading screw, and nut is connected with threads of lead screw, guide rail and silk
Thick stick is parallel, and nut outer wall is fixedly connected with the guide pillar that can be slided along guide rail；Pull bar right-hand member is fixedly connected with nut outer wall, and pull bar is left
End is connected by location structure with driven rotor.
2. a kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation according to claim 1, it is characterised in that：Driven rotor
Through-hole wall is in axial direction provided with outer wall on the left of keyway, output shaft and is provided with feather key；Under the pulling of pull bar, driven rotor
It can be moved axially on output shaft along feather key.
3. a kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation according to claim 1, it is characterised in that：Pull bar is in L
Type structure；Location structure offers one of annular groove including driven rotor circumferential surface, and the left part of pull bar is along driven rotor
Radial direction is extend into annular groove, and the thickness of the left part of pull bar is equal with the width of annular groove, and pull bar extend into annular groove
The outer surface of interior part is coated with alloy smooth abrasion-proof layer.
4. a kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation according to claim 1, it is characterised in that：Pull bar is one
Font；Location structure includes inner ring and is assemblied in thrust bearing outside driven rotor, and the outer ring of pull bar left end and thrust bearing is fixed
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093120.XU CN206442240U (en) | 2017-01-24 | 2017-01-24 | A kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093120.XU CN206442240U (en) | 2017-01-24 | 2017-01-24 | A kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206442240U true CN206442240U (en) | 2017-08-25 |
Family
ID=59635204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720093120.XU Expired - Fee Related CN206442240U (en) | 2017-01-24 | 2017-01-24 | A kind of permanent-magnet speed governor lead screw driving type arrangements for speed regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206442240U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436673A (en) * | 2020-12-03 | 2021-03-02 | 大连交通大学 | Magnetic stepless speed regulator for differentially adjusting magnetic gap |
| CN114123716A (en) * | 2021-11-12 | 2022-03-01 | 重庆浦仁达科技有限公司 | Permanent magnet speed regulator adjusting device and permanent magnet speed regulator |
-
2017
- 2017-01-24 CN CN201720093120.XU patent/CN206442240U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436673A (en) * | 2020-12-03 | 2021-03-02 | 大连交通大学 | Magnetic stepless speed regulator for differentially adjusting magnetic gap |
| CN114123716A (en) * | 2021-11-12 | 2022-03-01 | 重庆浦仁达科技有限公司 | Permanent magnet speed regulator adjusting device and permanent magnet speed regulator |
| CN114123716B (en) * | 2021-11-12 | 2023-05-12 | 重庆浦仁达科技有限公司 | Permanent magnet speed regulator adjusting device and permanent magnet speed regulator |
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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 |