CN220087134U - External screw rod driving axial moving cylinder type permanent magnet speed regulator - Google Patents
External screw rod driving axial moving cylinder type permanent magnet speed regulator Download PDFInfo
- Publication number
- CN220087134U CN220087134U CN202222568721.5U CN202222568721U CN220087134U CN 220087134 U CN220087134 U CN 220087134U CN 202222568721 U CN202222568721 U CN 202222568721U CN 220087134 U CN220087134 U CN 220087134U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- magnet rotor
- rotor
- speed regulator
- screw
- 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.)
- Active
Links
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model discloses an externally-hung screw rod driven axial movement cylinder type permanent magnet speed regulator, which comprises a conductor rotor, a permanent magnet rotor matched with the conductor rotor and an axial movement mechanism for driving the permanent magnet rotor to move, wherein the permanent magnet rotor is arranged at one end of a permanent magnet rotary coupler; the U-shaped grooves of the two stretching frames are matched with the convex edges of the peripheries of the permanent magnet rotor pulling plates; when the stretching frame moves, the U-shaped groove is matched with the convex edge to synchronously drive the convex edge to move, so that the permanent magnet rotor is driven to axially move relative to the conductor rotor, and adjustment is realized. The utility model discloses adjust the structure simpler, the size is littleer, need not remove whole equipment structure, need not punch in motor shaft for center of mass, the mounted position of equipment remain fixed throughout.
Description
Technical Field
The utility model relates to the technical field of permanent magnet speed regulators, in particular to an externally hung screw rod driven axial movement cylinder type permanent magnet speed regulator.
Background
In the industries of large-scale mining, petrochemical industry, electric power, metallurgy and the like, the permanent magnet speed regulating device is increasingly widely applied due to the energy-saving and environment-friendly requirements. The permanent magnet speed regulating device can be suitable for various severe environments including places with large voltage fluctuation, serious harmonic waves, inflammability, explosiveness, humidity and dust of a power grid, can regulate the rotating speed of a load on line, meets the actual running requirement of a system, realizes speed regulation and energy saving, has a speed regulation range of 0-98% and has an energy saving rate of 10-65%.
When the permanent magnet speed regulator works, the motor drives the conductor rotor of the permanent magnet speed regulator to rotate, the copper conductor on the conductor rotor cuts the magnetic induction line emitted by the permanent magnet on the permanent magnet rotor to generate eddy current, the eddy current generates an induction magnetic field, the induction magnetic field and the source magnetic field of the permanent magnet generate coupling action to generate torque, so that the permanent magnet rotor drives the load to rotate, and the permanent magnet speed regulation technology is simple and reliable, the equipment has long service life and no electromagnetic wave interference problem; many conditioning hard places are increasingly being replaced by permanent magnet governors.
The large axial space required by the existing permanent magnet speed regulator is beneficial to the relative axial movement between the permanent magnet rotor and the conductor rotor; the axial dimension of the product is large, and great inconvenience is brought to site reconstruction; during speed regulation, the permanent magnet rotor needs to move, the cantilever length of the equipment is large in vibration, a bearing is easy to damage, and the reliability of the equipment is poor; during adjustment, the permanent magnet rotor has large mass, large moment of inertia and easy impact; the load of the adjusting device and the bearing are easy to damage due to overlarge stress; the equipment has large vibration, high heating and easy failure of the permanent magnet; and meanwhile, the effect of larger permanent magnetic attraction force is needed to be overcome when the air gap is regulated.
In addition, the permanent magnet rotor is driven to move through the oil cylinder and the piston rod, holes are needed to be drilled in the rotating shaft of the motor, damage is caused to the motor, hydraulic oil is easy to leak along with the aging of the oil pipe, and the hydraulic oil is difficult to apply in places with limited space.
Disclosure of Invention
The utility model aims at overcoming the technical defects in the prior art and provides an externally hung screw rod driven axial movement cylinder type permanent magnet speed regulator.
The technical scheme adopted for realizing the purpose of the utility model is as follows:
the externally hung screw rod driven axial movement cylinder type permanent magnet speed regulator comprises a conductor rotor, a permanent magnet rotor matched with the conductor rotor and an axial movement mechanism for driving the permanent magnet rotor to move along the axial direction relative to the conductor rotor, wherein the conductor rotor and the permanent magnet rotor are both cylindrical; the permanent magnet rotor is arranged at one end of a permanent magnet rotating coupler, a T-shaped cylindrical permanent magnet rotor pulling plate is coaxially arranged outside the permanent magnet rotating coupler, the axial moving mechanism comprises a pair of oppositely arranged stretching frames which can be driven by a screw rod mechanism to move along the axial direction of the permanent magnet rotor, and U-shaped grooves are formed on opposite surfaces of the stretching frames; the U-shaped grooves of the two stretching frames are matched with the convex edges of the periphery of the permanent magnet rotor pulling plate; when the stretching frame moves, the U-shaped groove is matched with the convex edge to synchronously drive the convex edge to move, so that the permanent magnet rotor is driven to axially move relative to the conductor rotor, and adjustment is achieved.
The externally hung screw rod drives the axial moving cylinder type permanent magnet speed regulator, has simpler regulating structure and smaller size, does not need to move the whole equipment structure, does not need to punch holes on a motor rotating shaft, and ensures that the mass center and the mounting position of the equipment are always fixed.
Drawings
Fig. 1 is a schematic diagram of an externally hung screw driven axially moving cartridge type permanent magnet speed governor of the present utility model.
FIG. 2 is a schematic cross-sectional view of an externally hung screw driven axially movable cartridge type permanent magnet governor of the present utility model.
Fig. 3 is a top view of the plug-in screw drive mechanism of the present utility model.
Fig. 4 is a front view of the plug-in screw drive mechanism of the present utility model.
Fig. 5 is a side view of the plug-in screw drive mechanism of the present utility model.
Fig. 6 is an isometric view of the plug-in screw drive mechanism of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the utility model.
As shown in fig. 1 to 6, the external lead screw driving axial movement cylinder type permanent magnet speed regulator 100 of the embodiment of the utility model comprises a conductor rotor, a permanent magnet rotor, a conductor rotor and a permanent magnet rotor which are all in cylinder shapes, wherein the permanent magnet rotor is connected with a permanent magnet rotary coupler 107, a T-shaped permanent magnet rotor pulling plate 104 is coaxially arranged outside the permanent magnet rotary coupler 107 through a permanent magnet rotor copper sleeve 112, the permanent magnet rotor pulling plate is fixed with a back plate 101 of the permanent magnet rotor, and an axial movement mechanism 200 is arranged, and the permanent magnet rotor is driven to axially move relative to the conductor rotor by driving the permanent magnet rotor pulling plate 104 to move. The permanent magnet rotor is fixed on the load shaft 103 through a permanent magnet rotating coupling 107, rotates synchronously with the load shaft 103, and can axially move relative to the load shaft.
Wherein, the conductor rotor is cylindrical, the conductor rotor is a back plate 108 and is fixed on a motor connecting sleeve 106, the motor connecting sleeve is sleeved on a motor shaft 102, and the conductor rotor synchronously rotates along with the motor shaft 102; an air gap exists between the conductor rotor and the permanent magnet rotor, the permanent magnet rotor can axially move relative to the conductor rotor through an axial moving mechanism, and the speed can be adjusted by adjusting the distance between the permanent magnet rotor and the conductor rotor.
As a preferred embodiment, the axial moving mechanism 200 includes a pair of oppositely disposed stretching frames 201 which can be driven by a screw mechanism to move in the axial direction of the permanent magnet rotor, and U-shaped grooves are formed on opposite sides of the stretching frames; the U-shaped groove is matched with the outer convex edge 1041 of the T-shaped cylindrical permanent magnet rotor pulling plate, and when the stretching frame moves, the U-shaped groove is matched with the convex edge to synchronously drive the convex edge to move, so that the permanent magnet rotor is driven to axially move relative to the conductor rotor, and adjustment is achieved. The axial moving mechanism is driven by the lead screw, converts rotation of rotary motion into linear motion, drives the stretching frame to move, and accordingly pulls the permanent magnet rotor pulling plate to move the permanent magnet rotor to move for adjustment.
Preferably, each stretching frame is mounted on a moving mechanism, the moving mechanism is formed by two connecting plates 206 in a meshed connection manner at one end, the other ends of the two connecting plates are respectively connected with a screw-nut sleeve 204 on a section of screw rod, and the two sections of screw rod are in opposite screw thread directions and coaxially fixed to form a screw rod body 203.
The inside of the screw-nut sleeve is connected with the screw rod through a screw-nut, the screw-nut sleeve is connected with a moving mechanism formed by two connecting plates, and when the screw rod rotates, the screw-nut sleeve is fixed in the moving direction by the guide post 205 and moves relatively; the front end of the moving mechanism formed by the connection plate is engaged and connected to the side of the stretching frame 201. When the two coaxially arranged nut sleeves move relatively, the rear ends of the connecting plates are driven to open and close, so that the stretching frame 201 is controlled to move along the X-axis direction.
As an embodiment, two screw rods are mounted on one side surface of one mounting plate 208 and are mutually parallel and spaced along the radial direction of the screw rods, the bottom of the same side surface of the mounting plate is horizontally provided with a driving rod 202, and the driving rod is in meshed connection with the two screw rods through two groups of bevel gears 209.
As a preferred embodiment, a pair of bearings 207 are installed in each of the stretching frames, which are spaced apart in the radial direction, and the U-shaped grooves correspond to the two bearing spaces; when the stretching frame drives the convex edge to move, the outer peripheral surface of the bearing is contacted with the outer surface of the convex edge.
As a preferred embodiment, the permanent magnet rotor has a permanent magnet rotor fixing ring 111 and a permanent magnet rotor back plate 101, the permanent magnet rotor fixing ring is connected to the permanent magnet rotor back plate 101 through bolts, the permanent magnet rotor back plate 101 is fixed with a permanent magnet rotor pull plate 104, the permanent magnet rotor pull plate 104 is connected with a permanent magnet coupler copper sleeve 112 through bolts, and the permanent magnet coupler copper sleeve 112 is sleeved on the permanent magnet rotor coupler 107 and can move along the axial direction of the load shaft 103; the permanent magnet rotor coupling 107 is keyed to the load shaft 103 for rotation with the load shaft 103.
When the permanent magnet rotor pulling plate is pushed to move by the stretching frame through the bearing on the stretching frame, the permanent magnet rotor pulling plate is connected with the permanent magnet rotor back plate, and the permanent magnet rotor back plate is connected with the permanent magnet fixing ring, so that the permanent magnet rotor is driven to move by the movement of the permanent magnet rotor back plate, and the permanent magnet rotor is pushed and pulled axially along the permanent magnet coupler to perform axial adjustment.
As a preferred embodiment, a plurality of guide posts 110 are arranged on the outer side of the permanent magnet rotor pulling plate, the plurality of guide posts are arranged around the axis of the permanent magnet rotor, one end of each guide post is connected with a guide post copper sleeve 105 installed on the back plate of the permanent magnet rotor, the other end of each guide post is fixed with a flange 1071 of the T-shaped cylindrical permanent magnet rotor coupler, and guide holes are formed in the convex edges 1041 on the outer side of the permanent magnet rotor pulling plate and are in sliding fit with the guide posts.
In an alternative embodiment, the inner end of the permanent magnet rotor coupler 107 is connected to the coupler pulling plate 109 by a screw, and the inner end of the guide post 110 extends into a mating hole on the coupler pulling plate to be connected to the coupler pulling plate 109.
The utility model relates to an externally hung screw rod driving axial movement cylinder type permanent magnet speed regulator, which has the following working principle:
the driving rod is driven by adjusting a servo motor (not shown), the bevel gear on the moving rod transmits the rotating force to two oppositely arranged screw rods which are arranged along the Z-axis direction, and as the screw rod sections which are coaxially arranged up and down on two sections of each screw rod adopt a positive and negative buckle or positive and negative screw thread design, when the screw rod body rotates, two screw nuts on the screw rod body can be driven to perform relative motion along the Z-axis direction, so that a moving mechanism which is arranged in a V-shaped structure can be driven to realize opening and closing, and then a stretching frame which is arranged at the connecting end of the moving mechanism is driven to move along the X-axis horizontally and linearly, and the Z-axis motion of the screw nuts is converted into the X-axis motion of the stretching frame to control the stretching frame to move so as to control the permanent magnet rotor pulling plate to move, thereby realizing adjustment.
The externally hung screw rod is adopted to drive the axial moving cylinder type permanent magnet speed regulator, the externally hung screw rod and the servo motor are adopted to drive the axial moving cylinder type permanent magnet speed regulator, the adjusting structure is simpler, the size is smaller, meanwhile, the whole equipment structure is not required to be moved, and holes are not required to be punched in a motor rotating shaft.
The externally hung screw rod drives the axial moving cylinder type permanent magnet speed regulator, improves the safety and reliability of the speed regulating process, ensures that product equipment is more stable and reliable, and can randomly regulate the rotating speed of a load from zero speed to the speed of a conductor rotor.
The externally hung screw rod drives the axial moving cylinder type permanent magnet speed regulator, and the whole vulnerable parts, the bearing and the like are all on the outer side, so that the externally hung screw rod is easy to maintain and replace.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof;
the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The externally hung screw rod drives the axial moving cylinder type permanent magnet speed regulator, and the axially moving cylinder type permanent magnet speed regulator comprises a conductor rotor, a permanent magnet rotor matched with the conductor rotor and an axial moving mechanism for driving the permanent magnet rotor to move along the axial direction relative to the conductor rotor, wherein the conductor rotor and the permanent magnet rotor are both cylindrical; the axial moving mechanism comprises a pair of oppositely arranged stretching frames which can be driven by a screw rod mechanism to move along the axial direction of the permanent magnet rotor, and U-shaped grooves are formed on opposite surfaces of the stretching frames; the U-shaped grooves of the two stretching frames are matched with the convex edges of the periphery of the permanent magnet rotor pulling plate; when the stretching frame moves, the U-shaped groove is matched with the convex edge to synchronously drive the convex edge to move, so that the permanent magnet rotor is driven to axially move relative to the conductor rotor, and adjustment is achieved.
2. The externally hung screw driving axial moving cylinder type permanent magnet speed regulator according to claim 1, wherein each stretching frame is arranged on a moving mechanism, the moving mechanism is formed by meshing and connecting two connecting plates at one end, the other ends of the two connecting plates are respectively connected with a screw nut sleeve on one section of screw rod, and the two sections of screw rods are opposite in thread direction and coaxially fixed to form a screw rod body.
3. The externally hung screw driving axial moving cylinder type permanent magnet speed regulator according to claim 2, wherein two screw bodies are arranged on one side face of a mounting plate, the radial directions of the screw bodies are mutually parallel and spaced, a driving rod is horizontally arranged at the bottom of the same side face of the mounting plate, and the driving rod is meshed with the two screw bodies through two groups of bevel gears.
4. The externally hung screw driven axially movable cylindrical permanent magnet speed regulator of claim 1, wherein the permanent magnet rotor pulling plate is fixed with the back plate of the permanent magnet rotor.
5. The externally hung screw driven axially movable cylindrical permanent magnet speed regulator according to claim 1, wherein a pair of bearings are installed in each stretching frame, the bearings are arranged at intervals along the radial direction, and the U-shaped grooves correspond to two bearing spacing spaces; when the stretching frame drives the convex edge to move, the outer peripheral surface of the bearing is contacted with the outer surface of the convex edge.
6. The externally hung screw rod driven axially movable cylinder type permanent magnet speed regulator according to claim 1, wherein a plurality of guide posts are arranged on the outer side of the permanent magnet rotor pulling plate, the guide posts are arranged around the axis of the permanent magnet rotor, one end of each guide post is connected with the back plate of the permanent magnet rotor, the other end of each guide post is fixed with the flange of the T-shaped cylinder-shaped permanent magnet rotor coupler, and guide holes are formed in the protruding edges on the outer side of the permanent magnet rotor pulling plate and are in sliding fit with the guide posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222568721.5U CN220087134U (en) | 2022-09-26 | 2022-09-26 | External screw rod driving axial moving cylinder type permanent magnet speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222568721.5U CN220087134U (en) | 2022-09-26 | 2022-09-26 | External screw rod driving axial moving cylinder type permanent magnet speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220087134U true CN220087134U (en) | 2023-11-24 |
Family
ID=88814290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222568721.5U Active CN220087134U (en) | 2022-09-26 | 2022-09-26 | External screw rod driving axial moving cylinder type permanent magnet speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220087134U (en) |
-
2022
- 2022-09-26 CN CN202222568721.5U patent/CN220087134U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104265818B (en) | Outer cup rotary axial eddy current damper | |
| CN103331926B (en) | Arc-shaped motor-driven numerical control electric screw press | |
| CN110460221B (en) | Magnet rotary cylinder type speed-adjustable magnetic coupler | |
| CN109383761B (en) | Integrated involute rocker arm electric steering engine | |
| CN102624197B (en) | Speed regulation asynchronous magnetic coupler with adjustable radial air gap | |
| CN103701256B (en) | A kind of flexible dynamic transmits adjusting device | |
| CN103532339A (en) | Flexible power transmission device | |
| CN105312467A (en) | Numerical control electric screw press driven by permanent magnet synchronous linear servo motor | |
| CN220087134U (en) | External screw rod driving axial moving cylinder type permanent magnet speed regulator | |
| CN204190552U (en) | Curtain driving device | |
| CN203708079U (en) | Novel permanent magnet speed-regulator | |
| CN101783575A (en) | Permanent magnet liquid cooling retarder for vehicle | |
| CN204527621U (en) | Aircraft electric braking device | |
| CN110365188B (en) | Single-face transmission permanent magnet eddy hysteresis coupling | |
| CN209896890U (en) | Hollow shaft type hydraulic drive magnetic shielding type permanent magnet speed regulator | |
| CN112542934A (en) | Permanent magnet speed regulator for moving magnetic steel | |
| CN106067707B (en) | A kind of linear electromechanical servo mechanism and assembly method | |
| CN210927422U (en) | Hollow shaft single-drive double-movable disc type permanent magnet speed regulator | |
| CN210075049U (en) | Mechanical seal radial oil supply hydraulic drive magnetic shielding permanent magnet speed regulator | |
| CN203537212U (en) | Flexible power transmission device | |
| CN209046444U (en) | Band-type brake structure and directly drive electric rotary machine | |
| CN112696476B (en) | Electric loader with electromagnetic buffer device | |
| CN211127526U (en) | Hollow shaft type hydraulic drive cylinder permanent magnet speed regulator | |
| CN211127527U (en) | Elastic sealing radial oil supply hydraulic drive magnetic shielding permanent magnet speed regulator | |
| CN210461509U (en) | Smooth liquid damping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |