CN220754623U - Cylinder speed regulating permanent magnet coupler - Google Patents
Cylinder speed regulating permanent magnet coupler Download PDFInfo
- Publication number
- CN220754623U CN220754623U CN202322210212.XU CN202322210212U CN220754623U CN 220754623 U CN220754623 U CN 220754623U CN 202322210212 U CN202322210212 U CN 202322210212U CN 220754623 U CN220754623 U CN 220754623U
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- permanent magnet
- rotor
- bearing seat
- fixed
- conductor rotor
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- 230000001105 regulatory effect Effects 0.000 title description 13
- 239000004020 conductor Substances 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 3
- 241001330002 Bambuseae Species 0.000 claims abstract description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 3
- 239000011425 bamboo Substances 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 208000010040 Sprains and Strains Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model discloses a cylinder type speed-regulating permanent magnet coupler, which sequentially comprises a fixed seat, a motor shaft, an end cover, a conductor rotor, a permanent magnet rotor, a movable bearing seat, a load shaft, an axial moving mechanism, a fixed bearing seat and an electrical control box according to the length direction of a bearing, and is characterized in that: conductor rotor and permanent magnet rotor are a section of thick bamboo, conductor rotor cover is established on permanent magnet rotor, there is the air gap between conductor rotor and the permanent magnet rotor, and be located the centre of fixing base, the end cover is located one side terminal surface of conductor rotor, fixed connection between end cover and the conductor rotor, end cover and conductor rotor all cup joint on the motor shaft, permanent magnet rotor is located the inside of conductor rotor, fix on the load axle, remove the coaxial fixed connection of bearing frame on one side terminal surface of permanent magnet rotor, the fixed bearing frame is located the opposite side of removal bearing frame, cup joint on the load axle, be equipped with axial displacement system on the fixed bearing frame, the electric control box sets up on the fixing base, be located the opposite side of axial displacement system, whole regulation structure is simpler, the size is smaller, reduce the usage space, be convenient for maintain in the practical application.
Description
Technical Field
The utility model relates to the technical field of permanent magnet adjustment, in particular to a cylinder type speed-regulating permanent magnet coupler.
Background
The permanent magnet coupler is a device for realizing torque transmission between a motor and a load through a rotating magnetic field between a conductor and a permanent magnet, rotation without mechanical connection between the motor and the load can be realized, the permanent magnet speed regulator is formed by adding an adjusting mechanism on the basis of the permanent magnet coupler, adjusting the relative position of the axial direction of a permanent magnet rotor and the axial direction of the conductor rotor, and changing the effective part of coupling between the permanent magnet rotor and the conductor rotor, thereby changing the transmitted torque between the permanent magnet rotor and the conductor rotor, realizing repeatable, adjustable and controllable output torque and rotating speed, and achieving the purposes of speed regulation and energy conservation.
However, the existing permanent magnet coupler has the following problems when adjusting the axial gap between the permanent magnet rotor and the conductor rotor:
1. the equipment has long cantilever, large vibration and insufficient reliability, and the bearing is easy to damage.
2. The effect of larger permanent magnetic attraction force is also needed to be overcome when the air gap is regulated.
3. When the load is regulated, the regulating bearing is stressed too much and is easy to damage, so that the regulating bearing is difficult to apply in some places with limited space.
4. A large axial space is required to facilitate adjustment thereof, and an excessive axial dimension causes great inconvenience in practical use.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides the cylinder type speed-regulating permanent magnet coupler, which has simpler regulating mechanism and smaller size, and the whole equipment structure is not required to be moved when the cylinder type speed-regulating permanent magnet coupler is used, so that the mass center and the installation position of the equipment are always kept motionless. To above-mentioned technical problem, propose a cylinder speed governing formula permanent magnet coupler, be equipped with fixing base, motor shaft, end cover, conductor rotor, permanent magnet rotor, movable bearing frame, electric control box, axial movement mechanism, fixed bearing frame and load axle in proper order according to the length direction of bearing, its characterized in that: conductor rotor and permanent magnet rotor erect in fixing base intermediate position, conductor rotor and permanent magnet rotor are the section of thick bamboo type, conductor rotor cover is established on permanent magnet rotor, there is the air gap between conductor rotor and the permanent magnet rotor, the end cover is located one side terminal surface of conductor rotor, fixed connection between end cover and the conductor rotor, all cup joint on the motor shaft, permanent magnet rotor is located the inside of conductor rotor, fix on the load axle, remove bearing frame coaxial fixed connection on one side terminal surface of permanent magnet rotor, the fixed bearing frame is located the opposite side of removal bearing frame, cup joint on the load axle, still be equipped with axial displacement mechanism on the fixed bearing frame, the electric control box sets up on the fixing base, and be located axial displacement mechanism's opposite side.
According to the technical scheme, the end cover is close to the fixed seat, is fixedly connected to the motor shaft and synchronously rotates along with the motor shaft, and is connected with the conductor rotor through the bolt on the end face of one side of the end cover, so that the inner space of the mechanical part is sealed, dust, foreign matters and the like are prevented from entering, safety protection can be provided for the mechanical part, and the service life of the mechanical part is prolonged.
According to the technical scheme, the conductor rotor is a cylindrical copper conductor, is positioned on one side of the end cover, is sleeved on the motor shaft and fixedly connected with the end cover, and both the conductor rotor and the motor shaft synchronously rotate along with the motor shaft, so that the copper conductor is good in conductivity, is not easy to generate heat in the conducting process, is small in loss, and is high in mechanical strength, and can bear large mechanical tension without breaking.
According to the technical scheme, the permanent magnet rotor is positioned in the conductor rotor and sleeved on the load shaft by adopting the spline, the permanent magnet is uniformly fixed on the permanent magnet rotor according to the circumferential surface, the permanent magnet rotor synchronously rotates along with the load shaft, in addition, the end face of one side of the permanent magnet rotor is also connected with the movable bearing seat by the screw, the spline is uniformly stressed, the stress concentration is small, and the service life is long.
According to the technical scheme, the guide rod is further arranged on the movable bearing seat, the movable bearing seat is a ring-shaped bearing seat, is positioned on one side of the conductor rotor and connected with the screw, the movable bearing seat is sleeved on the load shaft by adopting the shaft sleeve and synchronously rotates along with the load shaft, the tail end of the guide rod on the movable bearing seat is connected with the fixed bearing seat, and the movable bearing seat has small axial movement friction resistance and simple structure.
According to the technical scheme, the fixed bearing seat comprises a guide cylinder and a mounting table, the fixed bearing seat is sleeved on a load shaft, is close to an electric control box and synchronously rotates along with the load shaft, sheet-shaped bulges are arranged on the periphery of the fixed bearing seat, the guide cylinder is arranged on the bulges, a guide rod on the movable bearing seat penetrates through the guide cylinder and is fixed by adopting a nut, the fixed bearing seat and the movable bearing seat cannot rotate mutually, and in addition, the mounting table is further arranged on the fixed bearing seat, and the axial moving mechanism is fixed on the mounting table.
The axial moving mechanism is arranged on the mounting table of the fixed bearing seat, is a servo motor, improves the use precision, avoids the step-out problem of the stepping motor, has strong overload resistance, and is suitable for occasions requiring instant load fluctuation and quick start.
According to the technical scheme, the electric control box comprises an electric push rod, collecting rings and carbon brushes, wherein the collecting rings are fixedly connected to a load shaft and synchronously rotate along with the load shaft, the collecting rings are electrically connected with an axial moving mechanism, two electric push rods are arranged below the collecting rings and are fixed on a bottom plate of the electric control box, the carbon brushes are connected to the top ends of the electric push rods, the collecting rings can improve system performance, simplify system structures and avoid sprains caused by wires in the rotating process.
Compared with the prior art, the utility model has the following beneficial effects:
1. the servo motor is adopted for driving, the structure is simpler, the size is smaller, and meanwhile, the whole structure of the mobile equipment is not needed, so that the mass center and the installation position of the equipment are always kept fixed.
2. The external motor has simpler structure composition and is convenient to maintain in practical application.
Drawings
FIG. 1 is a schematic perspective view of a cylinder type speed-regulating permanent magnet coupler;
FIG. 2 is a schematic diagram of a conductor rotor of a cylinder speed-regulating permanent magnet coupler;
FIG. 3 is a schematic diagram of a permanent magnet rotor of a cylinder speed-regulating permanent magnet coupler;
FIG. 4 is a schematic view of a movable bearing block of a cylinder-type speed-regulating permanent magnet coupler;
FIG. 5 is a schematic view of a fixed bearing seat of a cylinder type speed regulating permanent magnet coupler;
fig. 6 is an enlarged schematic diagram of the internal structure of the electric control box of the cylinder type speed-regulating permanent magnet coupler.
In the figure: fixing base 1, motor shaft 2, end cover 3, conductor rotor 4, permanent magnet rotor 5, movable bearing seat 6, guide rod 61, electric control box 7, electric push rod 71, collecting ring 72, carbon brush 73, axial movement mechanism 8, fixed bearing seat 9, guide cylinder 91, mounting table 92, and load bearing 10
Detailed Description
The following describes the technical solution in the embodiment of the present utility model in detail with reference to fig. 1 to 6 in the embodiment of the present utility model.
Example 1
As shown in fig. 1-3, a cylinder speed-regulating permanent magnet coupler comprises a fixed seat 1, a conductor rotor 4 and a permanent magnet rotor 5 are erected in the middle of the fixed seat 1, the conductor rotor 4 is in a cylinder shape, the conductor rotor 4 is sleeved on the permanent magnet rotor 5, an air gap exists between the conductor rotor 4 and the permanent magnet rotor, the conductor rotor 4 adopts an annular copper conductor and synchronously rotates along with a motor shaft 3, and the copper conductor has excellent conductivity, so that the conductor rotor is not easy to generate heat in the conducting process and has smaller loss, an end cover 3 is connected to one side end surface of the conductor rotor 4 through bolts so as to seal the inner space of a mechanical part, prevent dust, foreign matters and the like from entering, and also provide safety protection for the mechanical part, prolong the service life of the mechanical part, and the conductor rotor 4 and the end cover 3 are sleeved on the motor shaft 2 through shaft sleeves and synchronously rotate.
The permanent magnet rotor 5 is in a cylinder shape and is positioned in the conductor rotor 4, an air gap exists between the permanent magnet rotor 5 and the conductor rotor, a cylindrical circumference permanent magnet ring of the permanent magnet rotor 5 is arranged in the cylinder shape, the permanent magnet rotor 5 is fixed on the spline sliding sleeve through bolts, the permanent magnet rotor 5 is sleeved on the outer peripheral surface of the load shaft 10 through splines and matched with key grooves on the outer peripheral surface of the load shaft 10, the spline sliding sleeve axially moves along the key grooves on the outer peripheral surface of the load shaft 10 to realize guiding action and torque transmission, the conductor rotor 4 can also be installed on the motor shaft 3, the permanent magnet rotor 5 can also be installed on the load shaft 10 without influencing the use of a coupler, one side end surface screw of the permanent magnet rotor 5 is connected with a movable bearing seat 6, the movable bearing seat 6 synchronously rotates along with the permanent magnet rotor 5, a fixed bearing seat 9 is fixedly connected on the other side of the movable bearing seat 6, a mounting seat 92 is arranged on the fixed bearing seat 9, an axial moving mechanism 8 is arranged on the mounting seat 92, a threaded rod of the axial moving mechanism 8 is connected with the movable bearing seat 6, the permanent magnet rotor 5 can be driven to axially move along the key grooves on the load shaft 10 by the movable bearing seat 6, an electric control box 7 is arranged on the motor 1, and the other side of the fixed bearing seat 9 is positioned on the other side to provide electric power for driving the movable bearing seat 8 to axially to move, and the servo mechanism is driven to rotate.
As shown in fig. 4-5, a movable bearing seat 6 is connected to an end face of one side of the permanent magnet rotor 5 through bolts, the movable bearing sleeve 6 is a circular ring, sheet-shaped protrusions are arranged on the periphery of the movable bearing seat 6, a threaded cylinder is arranged on the sheet-shaped protrusions and used for connecting a threaded rod of the axial movement mechanism 8, guide rods 61 are additionally arranged on the periphery of the movable bearing seat 6, the movable bearing seat 6 is connected with a fixed bearing seat 9 through the guide rods 61, a load bearing 10 is installed in the circular ring of the movable bearing seat 6, a bearing is fixed through elastic check rings for the shaft, one end of the movable bearing seat 6 is provided with the fixed bearing seat 9, sheet-shaped protrusions are arranged on the periphery of the fixed bearing seat 9 and opposite to the guide rods 61, a guide cylinder 91 is arranged on the sheet-shaped protrusions and used for installing the guide rods 61, the head of the guide rods 61 penetrates through the guide cylinders 91 and is fixed through nuts, when the servo motor rotates to drive the permanent magnet rotor 5 to move axially through the movable bearing seat 6, the fixed bearing seat 9 is circular ring-shaped, installation tables 92 are installed on the periphery of the fixed bearing seat 92, positioning protrusions and fixing threaded holes are arranged on the installation tables 92, corresponding to the positioning grooves on the servo motor, and the positioning threaded holes are used for installing the servo motor, when the permanent magnet rotor is connected with the threaded cylinder of the movable bearing seat 6, and the guide rods are driven to move axially along the axial direction of the guide rods 6.
As shown in fig. 6, the electrical control box 7 includes a collecting ring 72, the collecting ring 72 is fixed on the load shaft 10 and rotates synchronously along with the load shaft 10, the collecting ring 72 is electrically connected with the axial moving mechanism 8, the carbon brush 73 is located below the collecting ring 72, the carbon brush 73 contacts with the collecting ring 72 under the pushing of the electrical push rod 71 in the working state to supply power to the axial moving mechanism 8, the electrical push rod 71 clamps the carbon brush 73 to separate from the collecting ring 72 when not working, the electrical push rod 71 stops supplying power to the axial moving mechanism 8, the electrical push rod 71 is arranged on the bottom plate of the electrical control box 7 and clamps the two ends of the carbon brush 73, the clamping part is made of insulating material, and the electrical push rod 71 drives the carbon brush 73 to move up and down to contact with the collecting ring 72 to provide power to the axial moving mechanism 8.
The course of motion of this embodiment: when the coupler works, the motor shaft 2 drives the conductor rotor 4 to rotate so as to drive the permanent magnet rotor 5 to synchronously rotate, when the rotating speed needs to be regulated, the device is stopped, the electric push rod 71 pushes the carbon brush 73 upwards and keeps contact with the collecting ring 72, the collecting ring 72 is electrically connected with the axial moving mechanism 8, the carbon brush 73 can continuously supply power to the axial moving mechanism, the axial moving mechanism 8 starts to work, the axial moving direction and the moving distance of the permanent magnet rotor 5 are regulated through rotation of the threaded rod, the coupler is accurately regulated, the guide rod 61 in the guide cylinder 91 continuously guides the permanent magnet rotor 5, after the guide rod is regulated to a proper position, the nut is screwed, the position of the guide rod 61 is fixed, after the regulation is finished, the electric push rod 71 moves the carbon brush 73 downwards, the carbon brush 73 is separated from the collecting ring 72, a power supply of the axial moving mechanism 8 is closed, the coupler is started at the moment, the motor shaft 2 drives the conductor rotor 4 to rotate, and the permanent magnet rotor 5 starts to synchronously rotate under the action of magnetic force, so that the load shaft 10 starts to rotate according to the regulated rotating speed.
The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the present utility model.
Claims (8)
1. The utility model provides a cylinder speed governing formula permanent magnet coupler, is equipped with fixing base (1), motor shaft (2), end cover (3), conductor rotor (4), permanent magnet rotor (5), removal bearing frame (6), electric control box (7), axial displacement mechanism (8), fixed bearing frame (9) and load axle (10) in proper order according to the length direction of bearing, its characterized in that: conductor rotor (4) and permanent magnet rotor (5) erect in fixing base (1) intermediate position, conductor rotor (4) and permanent magnet rotor (5) are a section of thick bamboo, conductor rotor (4) cover is established on permanent magnet rotor (5), there is the air gap between conductor rotor (4) and permanent magnet rotor (5), end cover (3) are located one side terminal surface of conductor rotor (4), fixed connection between end cover (3) and conductor rotor (4), all cup joint on motor shaft (2), permanent magnet rotor (5) are located the inside of conductor rotor (4), fix on load axle (10), remove bearing frame (6) coaxial fixed connection on one side terminal surface of permanent magnet rotor (5), fixed bearing frame (9) are located the opposite side of removing bearing frame (6), cup joint on load axle (10), still be equipped with axial movement mechanism (8) on fixed bearing frame (9), electric control box (7) set up on fixing base (1), and be located the opposite side of axial movement mechanism (8).
2. The cartridge speed governing permanent magnet coupler of claim 1, wherein: the end cover (3) is close to the fixed seat (1), is fixedly connected to the motor shaft (2) and synchronously rotates along with the motor shaft (2), and a conductor rotor (4) is connected to one side end face of the end cover (3) through bolts.
3. The cartridge speed governing permanent magnet coupler of claim 2, wherein: the conductor rotor (4) is a cylindrical copper conductor, is positioned on one side of the end cover (3), is sleeved on the motor shaft (2), is fixedly connected with the end cover (3), and synchronously rotates along with the motor shaft (2).
4. The cartridge speed governing permanent magnet coupler of claim 1, wherein: the permanent magnet rotor (5) is positioned in the conductor rotor (4) and sleeved on the load shaft (10) by adopting a spline, the permanent magnets are uniformly fixed on the permanent magnet rotor (5) according to the circumferential surface, the permanent magnet rotor (5) synchronously rotates along with the load shaft (10), and in addition, the movable bearing seat (6) is connected to one side end surface of the permanent magnet rotor (5) by a screw.
5. The cartridge speed governing permanent magnet coupler of claim 4, wherein: the movable bearing seat (6) is also provided with a guide rod (61), the movable bearing seat (6) is a circular bearing seat, is positioned on one side of the conductor rotor (4) and connected with a screw, the movable bearing seat (6) is sleeved on the load shaft (10) by adopting a shaft sleeve and synchronously rotates along with the load shaft (10), and the tail end of the guide rod (61) on the movable bearing seat (6) is connected with a fixed bearing seat (9).
6. The cartridge speed governing permanent magnet coupler of claim 5, wherein: the utility model provides a fixed bearing seat (9) is including guide cylinder (91) and mount table (92), fixed bearing seat (9) cup joints on load axle (10), be close to electric control box (7), and follow load axle (10) synchronous revolution, fixed bearing seat (9) are equipped with the slice arch all around, install guide cylinder (91) on the arch, guide arm (61) on the removal bearing seat (6) pass guide cylinder (91), and adopt the nut to fix, and be unable rotatory each other between fixed bearing seat (9) and the removal bearing seat (6), still be equipped with mount table (92) on fixed bearing seat (9) in addition, axial movement mechanism (8) are fixed on the mount table.
7. The cartridge speed governing permanent magnet coupler of claim 6, wherein: the axial moving mechanism (8) is arranged on a mounting table (92) of the fixed bearing seat (9) and is a servo motor.
8. The cartridge speed governing permanent magnet coupler of claim 1, wherein: the electric control box (7) is close to the fixed bearing seat (9), the electric control box comprises an electric push rod (71), a collecting ring (72) and carbon brushes (73), the collecting ring (72) is fixedly connected to the load shaft (10) and synchronously rotates along with the load shaft (10), the collecting ring (72) is electrically connected with the axial moving mechanism (8), two electric push rods (71) are arranged below the collecting ring (72), the electric push rod is fixed on a bottom plate of the electric control box (7), and the carbon brushes (73) are connected to the tops of the two electric push rods (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322210212.XU CN220754623U (en) | 2023-08-17 | 2023-08-17 | Cylinder speed regulating permanent magnet coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322210212.XU CN220754623U (en) | 2023-08-17 | 2023-08-17 | Cylinder speed regulating permanent magnet coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220754623U true CN220754623U (en) | 2024-04-09 |
Family
ID=90562662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322210212.XU Active CN220754623U (en) | 2023-08-17 | 2023-08-17 | Cylinder speed regulating permanent magnet coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220754623U (en) |
-
2023
- 2023-08-17 CN CN202322210212.XU patent/CN220754623U/en active Active
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