CN204615613U - A kind of pawl pole magneticfocusing permanent-magnet speed governor - Google Patents
A kind of pawl pole magneticfocusing permanent-magnet speed governor Download PDFInfo
- Publication number
- CN204615613U CN204615613U CN201520223818.XU CN201520223818U CN204615613U CN 204615613 U CN204615613 U CN 204615613U CN 201520223818 U CN201520223818 U CN 201520223818U CN 204615613 U CN204615613 U CN 204615613U
- Authority
- CN
- China
- Prior art keywords
- pawl
- dish
- rotor
- driven shaft
- pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of pawl pole magneticfocusing permanent-magnet speed governor, comprise and be arranged on hollow conductor rotor on driving shaft and be arranged on driven shaft by p-m rotor that pawl pole assembly is fixedly connected with, described p-m rotor is arranged on conductor rotor inside, and be provided with radial air gap between p-m rotor outer wall and conductor rotor inwall, the centre of described pawl pole assembly offers the through hole worn for driven shaft, annular gap is provided with between described driven shaft and through hole, described driven shaft slides and is provided with the conductive magnetic yoke suitable with described annular gap, entered by described conductive magnetic yoke or carry out away from described annular gap the adjustment that moment of torsion transmits size, the utility model provides a kind of pawl pole magneticfocusing permanent-magnet speed governor, and it regulates p-m rotor by the useful flux of radial air gap by regulating conductive magnetic yoke, and required active force is little, simple and compact for structure, easy to adjust, and required adjustment space is little.
Description
Technical field
The utility model relates to driven speed regulating, particularly relates to a kind of pawl pole magneticfocusing permanent-magnet speed governor.
Background technology
Permanent magnet speed regulation device is widely used in the industries such as large-scale mining, petrochemical industry, electric power and metallurgy.Permanent magnet speed regulation device can adapt to various adverse circumstances, comprises that voltage ripple of power network is large, harmonic wave is serious, the place such as inflammable and explosive, moist, dust.The effect of permanent magnet speed regulation device is: can the rotating speed of on-line control load to meet running needs, and energy-conserving and environment-protective, fractional energy savings 10% ~ 65%.
Existing permanent-magnet speed governor mainly contains tubular permanent-magnet speed governor and desk permanent-magnet speed regulator.It is a kind of tubular speed regulator disclosed in patent CN201410146528.X, it is by regulating tubular p-m rotor and tubular conductor rotor at the relative position of axis direction, to change the live part of p-m rotor and conductor rotor coupling, and then adjustment torque, the larger axial space that this regulative mode needs is beneficial to the movement carried out between p-m rotor and conductor rotor to axial and needs to consume larger for promoting the power moved axially; Same disclose a kind of desk permanent-magnet speed regulator as CN201410299482.5, it carries out the adjustment of torque by the air gap between adjustment dish type p-m rotor and conductor rotor, needs larger axial space equally and consumes larger power to carry out the adjustment of air gap.Above-mentioned permanent-magnet speed governor is difficult to application in the place of limited space.
Utility model content
The utility model provides a kind of pawl pole magneticfocusing permanent-magnet speed governor, it regulates p-m rotor by the useful flux of radial air gap by regulating conductive magnetic yoke, along with conductive magnetic yoke is constantly near annular gap, the magnetic resistance in the magnetic circuit loop formed between itself and pawl pole assembly and p-m rotor is more and more less,, make increasing permanent magnet flux by this loop, this part magnetic flux does not participate in the transmission of torque, belong to invalid magnetic flux, so just make the torque of transmitting weaken gradually; On the contrary, along with conductive magnetic yoke is away from annular gap, the torque of transmission strengthens gradually, and then realizes the adjustment of speed.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of pawl pole magneticfocusing permanent-magnet speed governor, comprise driving shaft and and relative and that establish driven shaft concentric with driving shaft, described driving shaft is fixedly connected with hollow conductor rotor near one end of driven shaft, described driven shaft is fixedly connected with p-m rotor near one end of driving shaft by pawl pole assembly, described p-m rotor is arranged on conductor rotor inside, and be provided with radial air gap between p-m rotor outer wall and conductor rotor inwall, the centre of described pawl pole assembly offers the through hole for wearing driven shaft, annular gap is provided with between described driven shaft and through hole, described driven shaft slides and is provided with the conductive magnetic yoke suitable with described annular gap, entered by described conductive magnetic yoke or carry out the adjustment of the size of transmitting torque away from described annular gap.
Further technical scheme is, described pawl pole assembly comprises front pole pawl dish and rear polar grab dish, described front pole pawl dish and the equal circle centre position of rear polar grab dish offer described through hole, described front pole pawl dish outer circumferential edges has been evenly arranged front pole pawl, described rear polar grab dish outer circumferential edges has been evenly arranged rear polar grab, described front pole pawl and described rear polar grab are crisscross arranged, and described front pole pawl dish and described rear polar grab dish are provided with the first connecting hole matched.
Further technical scheme is, is provided with the auxiliary permanent magnet steel of axial charging between front pole pawl dish and rear polar grab dish.
Further technical scheme is, described permanent magnetic steel be circulus and in it circular diameter identical with described through hole internal diameter, its outside diameter is less than described first connecting hole pitch circle diameter.
Further technical scheme is, described driven shaft is provided with driven shaft terminal pad near driving shaft one end, described driven shaft terminal pad is provided with the second connecting hole matched with the first connecting hole of front pole pawl dish and rear polar grab dish, front pole pawl dish is fixedly connected with by the first connecting hole, the second connecting hole and connector with described clutch plate with rear polar grab dish.
Further technical scheme is, described driving shaft is provided with driving shaft terminal pad near driven shaft one end, and described driving shaft terminal pad is connected by connector with described conductor rotor.
Further technical scheme is, described conductor rotor is hollow tubular structure, and described conductor rotor internal side wall is bonded with conductor layer.
Further technical scheme is, being arranged with axle sleeve described in axle sleeve outside described driven shaft is static element, and described conductive magnetic yoke is slidably arranged on described axle sleeve.
Further technical scheme is, is dove-tail form outside described front pole pawl and described rear polar grab, and described p-m rotor is provided with and described front pole pawl and the suitable dovetail groove of rear polar grab, described front pole pawl and rear polar grab are embedded in dovetail groove.
Further technical scheme is, described front pole pawl has four, and described rear polar grab has 4, and the arc angle between adjacent front pole pawl and rear polar grab is 45 °.
The beneficial effects of the utility model are:
1, the utility model provides a kind of pawl pole magneticfocusing permanent-magnet speed governor, and it regulates p-m rotor by the useful flux of radial air gap by regulating conductive magnetic yoke, and required active force is little, simple and compact for structure, easy to adjust, and required adjustment space is little.
2, front pole pawl and rear solid end pole are while playing the fixing p-m rotor of support, also provide extra magnetic assist magnetic flux by the auxiliary permanent magnet steel of axial charging, further enhancing air-gap field intensity, improve the torque that it transmits.
Accompanying drawing explanation
The end view of the pawl pole magneticfocusing permanent-magnet speed governor that Fig. 1 provides for the utility model embodiment;
Fig. 2 is A-A cutaway view in Fig. 1;
The conductive magnetic yoke of the pawl pole magneticfocusing permanent-magnet speed governor that Fig. 3 provides for the utility model embodiment is in extreme position during not transmitting torque;
Fig. 4 and Fig. 5 is respectively the structural scheme of mechanism of front pole pawl dish that the utility model embodiment provides and rear polar grab dish;
The structural scheme of mechanism of the pawl pole assembly that Fig. 6 provides for the utility model embodiment;
The end view of the clutch plate that Fig. 7 provides for the utility model embodiment;
The front view of the clutch plate that Fig. 8 provides for the utility model embodiment.
In figure:
1, driving shaft; 2, driven shaft; 3, conductor rotor; 4, pawl pole assembly; 5, p-m rotor; 6, through hole; 7, annular gap; 8, conductive magnetic yoke; 9, the first connecting hole; 10, auxiliary permanent magnet steel; 11, driven shaft terminal pad; 12, the second connecting hole; 13, connector; 14, driving shaft terminal pad; 15, conductor layer; 16, axle sleeve; 41, front pole pawl dish; 42, rear polar grab dish; 43, front pole pawl; 44, rear polar grab.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Present embodiments provide a kind of pawl pole magneticfocusing permanent-magnet speed governor, as depicted in figs. 1 and 2, comprise driving shaft 1 and and relative and that establish driven shaft 2 concentric with driving shaft 1, described driving shaft 1 is provided with driving shaft terminal pad 14 near driven shaft 2 one end, preferably, driving shaft 1 is one-body molded with driving shaft terminal pad 14.Described driving shaft terminal pad 14 is connected by connector 13 with hollow conductor rotor 3, and preferably, described connector 13 is bolt.Described conductor rotor 3 is hollow tubular structure, and described conductor rotor 3 internal side wall is bonded with conductor layer 15.Preferably, described conductor layer 15 is copper conductor layer.Described driven shaft 2 is provided with driven shaft terminal pad 11 near driving shaft 1 one end, and preferably, driven shaft 2 is one-body molded with driven shaft terminal pad 11.Described driven shaft terminal pad 11 is fixedly connected with p-m rotor 5 by pawl pole assembly 4, described p-m rotor 5 is ring-type, it is inner that described p-m rotor 5 is arranged on conductor rotor 3, and being provided with radial air gap between p-m rotor 5 outer wall and conductor rotor 3 inwall, the even built-in multiple pole orientation of described p-m rotor 5 is the tangential rotor permanent magnet magnet steel of p-m rotor 5.
As Figure 4-Figure 6, described pawl pole assembly 4 comprises front pole pawl dish 41 and rear polar grab dish 42, described front pole pawl dish 41 and rear polar grab dish 42 circle centre position all offer the through hole 6 for wearing driven shaft 2, described front pole pawl dish 41 outer circumferential edges has been evenly arranged front pole pawl 43, described rear polar grab dish 42 outer circumferential edges has been evenly arranged rear polar grab 44, described front pole pawl 43 and described rear polar grab 44 are crisscross arranged, and described front pole pawl dish 41 and described rear polar grab dish 42 are provided with the first connecting hole 9 matched.Described driven shaft terminal pad 11 is provided with the second connecting hole 12 matched with the first connecting hole 9 of front pole pawl dish 41 and rear polar grab dish 42, described pawl pole assembly 4 is fixedly connected with by the first connecting hole 9, second connecting hole 12 and connector 13 with described clutch plate, preferably, described first connector 13 is bolt, as shown in Figure 7 and Figure 8.
Simultaneously with reference to Fig. 2, be dove-tail form outside described front pole pawl 43 and described rear polar grab 44, described p-m rotor 5 is provided with and described front pole pawl 43 and the suitable dovetail groove of rear polar grab 44, described front pole pawl 43 and rear polar grab 44 are embedded in dovetail groove to realize pawl pole assembly 4 and being fixedly connected with between p-m rotor 5.The pawl of front pole described in the present embodiment 43 has four, and described rear polar grab 44 has 4, and the arc angle between adjacent front pole pawl 43 and rear polar grab 44 is 45 °.
Annular gap 7 is provided with between the through hole 6 (i.e. the through hole 6 of front pole pawl dish 41 and rear polar grab dish 42 center) of described driven shaft 2 and pawl pole assembly 4, described driven shaft 2 slides and is provided with the conductive magnetic yoke 8 suitable with described annular gap 7, the height of described conductive magnetic yoke 8 is not more than the height of described annular gap 7.Entered by described conductive magnetic yoke 8 or carry out the adjustment of the size of transmitting torque away from described annular gap 7.Described conductive magnetic yoke 8 carries out sliding motion by transmission mechanism, and described drive mechanism can be various ways, can realize the linear reciprocating motion of conductive magnetic yoke 8.Described conductive magnetic yoke 8 volume is little, and quality is light, and therefore during speed governing, required active force is little, and required speed governing space is little, solves traditional tubular permanent-magnet speed governor and desk permanent-magnet governor shaft is larger to space hold and required actuating force is large problem.
Along with conductive magnetic yoke 8 is constantly near annular gap 7, the magnetic resistance in the magnetic circuit loop formed between itself and pawl pole assembly 4 and p-m rotor 5 is more and more less, make increasing permanent magnet flux by this loop, this part magnetic flux does not participate in the transmission of torque, belong to invalid magnetic flux, so just make the torque of transmitting weaken gradually; On the contrary, along with conductive magnetic yoke 8 is away from annular gap 7, the torque of transmission strengthens gradually, and then realizes the adjustment of speed.
As shown in Figure 3, for conductive magnetic yoke 8 enters the extreme position of annular gap 7, now, conductive magnetic yoke 8 forms leakage field path with pawl pole assembly 4 and p-m rotor 5, the magnetic flux produced by rotor permanent magnet magnet steel is all by leakage field passage path, form invalid magnetic flux, now air-gap flux is almost equal to zero, and does not carry out the transmission of torque.
The auxiliary permanent magnet steel 10 of axial charging is provided with between front pole pawl dish 41 and rear polar grab dish 42.The auxiliary permanent magnet steel 10 of axial charging provides extra magnetic assist magnetic flux, contributes to the volume reducing permanent-magnet speed governor, improves the torque that it transmits.Described permanent magnetic steel be circulus and in it circular diameter identical with described through hole 6 internal diameter, its outside diameter is less than described first connecting hole 9 pitch circle diameter.
In like manner known, when conductive magnetic yoke 8 enters the extreme position of annular gap 7, conductive magnetic yoke 8 forms leakage field path with pawl pole assembly 4 and auxiliary permanent magnet steel 10, the magnetic flux produced by auxiliary permanent magnet steel 10 is all by leakage field passage path, form invalid magnetic flux, now air-gap flux is almost equal to zero, and does not carry out the transmission of torque.
Further, described driven shaft 2 is rotating part, described conductive magnetic yoke 8 is directly set on the driven shaft 2 of rotation, be inconvenient to carry out the mobile of conductive magnetic yoke 8 regulate, for this reason, have axle sleeve 16 in described driven shaft 2 arranged outside, driven shaft 2 passes in the endoporus of axle sleeve 16, axle sleeve 16 is static element, and be connected with external stability pedestal or support (not shown in FIG.), and described conductive magnetic yoke 8 is slidably arranged on described axle sleeve 16.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.
Claims (10)
1. a pawl pole magneticfocusing permanent-magnet speed governor, comprise driving shaft (1) and and relative and that establish driven shaft (2) concentric with driving shaft (1), described driving shaft (1) is fixedly connected with hollow conductor rotor (3) near one end of driven shaft (2), described driven shaft (2) is fixedly connected with p-m rotor (5) near one end of driving shaft (1) by pawl pole assembly (4), it is inner that described p-m rotor (5) is arranged on conductor rotor (3), and be provided with radial air gap between p-m rotor (5) outer wall and conductor rotor (3) inwall, it is characterized in that: the centre of described pawl pole assembly (4) offers the through hole (6) for wearing driven shaft, annular gap (7) is provided with between described driven shaft (2) and through hole (6), the upper slip of described driven shaft (2) is provided with the conductive magnetic yoke (8) suitable with described annular gap (7), entered by described conductive magnetic yoke (8) or carry out the adjustment of the size of transmitting torque away from described annular gap (7).
2. pawl pole according to claim 1 magneticfocusing permanent-magnet speed governor, it is characterized in that: described pawl pole assembly (4) comprises front pole pawl dish (41) and rear polar grab dish (42), described front pole pawl dish (41) and rear polar grab dish (42) circle centre position all offer described through hole (6), described front pole pawl dish (41) outer circumferential edges has been evenly arranged front pole pawl (43), described rear polar grab dish (42) outer circumferential edges has been evenly arranged rear polar grab (44), described front pole pawl (43) and described rear polar grab (44) are crisscross arranged, described front pole pawl dish (41) and described rear polar grab dish (42) are provided with the first connecting hole (9) matched.
3. pawl pole according to claim 2 magneticfocusing permanent-magnet speed governor, is characterized in that: the auxiliary permanent magnet steel (10) being provided with axial charging between front pole pawl dish (41) and rear polar grab dish (42).
4. pawl pole according to claim 3 magneticfocusing permanent-magnet speed governor, it is characterized in that: described permanent magnetic steel (10) for circulus and in it circular diameter identical with described through hole (6) internal diameter, its outside diameter is less than described first connecting hole (9) pitch circle diameter.
5. pawl pole according to claim 2 magneticfocusing permanent-magnet speed governor, it is characterized in that: described driven shaft (2) is provided with driven shaft terminal pad (11) near driving shaft (1) one end, described driven shaft terminal pad (11) is provided with the second connecting hole (12) matched with first connecting hole (9) of front pole pawl dish (41) and rear polar grab dish (42), front pole pawl dish (41) and rear polar grab dish (42) and described clutch plate (2) are by the first connecting hole (9), second connecting hole (12) and connector (13) are fixedly connected with.
6. pawl pole according to claim 1 magneticfocusing permanent-magnet speed governor, it is characterized in that: described driving shaft (1) is provided with driving shaft terminal pad (14) near driven shaft (2) one end, and described driving shaft terminal pad (14) is connected by connector (13) with described conductor rotor (3).
7. pawl pole magneticfocusing permanent-magnet speed governor according to claim 1, is characterized in that: described conductor rotor (3) is hollow tubular structure, and described conductor rotor (3) internal side wall is bonded with conductor layer (15).
8. pawl pole according to claim 1 magneticfocusing permanent-magnet speed governor, it is characterized in that: described driven shaft (2) outside is arranged with axle sleeve (16), described axle sleeve (16) is static element, and described conductive magnetic yoke (8) is slidably arranged on described axle sleeve (16).
9. pawl pole according to claim 2 magneticfocusing permanent-magnet speed governor, it is characterized in that: described front pole pawl (43) and described rear polar grab (44) outside are dove-tail form, described p-m rotor (5) is provided with and described front pole pawl (43) and the suitable dovetail groove of rear polar grab (44), described front pole pawl (43) and rear polar grab (44) are embedded in dovetail groove.
10. according to the pawl pole magneticfocusing permanent-magnet speed governor described in claim 2, it is characterized in that: described front pole pawl (43) has four, described rear polar grab (44) has 4, and the arc angle between adjacent front pole pawl (43) and rear polar grab (44) is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223818.XU CN204615613U (en) | 2015-04-14 | 2015-04-14 | A kind of pawl pole magneticfocusing permanent-magnet speed governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223818.XU CN204615613U (en) | 2015-04-14 | 2015-04-14 | A kind of pawl pole magneticfocusing permanent-magnet speed governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615613U true CN204615613U (en) | 2015-09-02 |
Family
ID=53968137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520223818.XU Expired - Fee Related CN204615613U (en) | 2015-04-14 | 2015-04-14 | A kind of pawl pole magneticfocusing permanent-magnet speed governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204615613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852550A (en) * | 2015-04-14 | 2015-08-19 | 苏州威莫磁力传动技术有限公司 | Claw-pole magnetism-gathering permanent-magnetic speed regulator |
-
2015
- 2015-04-14 CN CN201520223818.XU patent/CN204615613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852550A (en) * | 2015-04-14 | 2015-08-19 | 苏州威莫磁力传动技术有限公司 | Claw-pole magnetism-gathering permanent-magnetic speed regulator |
| CN104852550B (en) * | 2015-04-14 | 2017-11-14 | 苏州威莫磁力传动技术有限公司 | A kind of pawl pole magneticfocusing permanent-magnet speed governor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9837874B2 (en) | Flywheel energy storage device, wind power generation system and vehicle energy feedback brake system | |
| CN102025238A (en) | Novel limited rotating angle direct-current moment motor | |
| CN104852550A (en) | Claw-pole magnetism-gathering permanent-magnetic speed regulator | |
| CN104883030B (en) | Novel permanent magnet speed regulator using rotary salient pole to adjust magnetic flux | |
| CN101860314A (en) | Barrel-type electromagnetic speed regulation system | |
| CN202978480U (en) | Cylindrical magnet steel permanent magnet rotor | |
| CN104811000B (en) | A kind of permanent-magnet speed governor | |
| CN204615613U (en) | A kind of pawl pole magneticfocusing permanent-magnet speed governor | |
| CN104467359A (en) | Permanent magnetic speed regulating energy-saving coupling | |
| CN201018373Y (en) | Mixed field excitation synchronous motor | |
| CN203313035U (en) | Permanent magnet coupling mechanism between shafts | |
| CN203313036U (en) | Permanent magnet coupling mechanism between shafts | |
| CN204615599U (en) | A kind of permanent-magnet speed governor | |
| CN105429426B (en) | A kind of magnetism-gathering magnetic mechanical couple | |
| CN204633569U (en) | A kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux | |
| CN103915980A (en) | Disc-shaped rotary-plate permanent magnetic coupler | |
| CN204794587U (en) | Air gap adjustable disc type electric machine | |
| CN209389893U (en) | A kind of birotor permanent magnetic synchronous electric motor rotor fixed structure | |
| CN203800797U (en) | Cylindrical turnplate permanent magnetic coupler | |
| CN205430031U (en) | Gather magnetic -type magnetic coupling ware | |
| CN204089559U (en) | A kind of disc type limit torque permanent magnet coupler | |
| CN204361833U (en) | bearing-free motor | |
| CN108054899A (en) | A kind of double-layer barrel type permanent magnet clutch | |
| CN203800798U (en) | Disk-like turnplate permanent magnetic coupler | |
| CN206412845U (en) | A kind of permanent magnetism becomes magnetic flux buncher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150902 Termination date: 20180414 |