CN210380619U - Speed-adjustable fixed air gap permanent magnet coupler - Google Patents
Speed-adjustable fixed air gap permanent magnet coupler Download PDFInfo
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- CN210380619U CN210380619U CN201921581165.7U CN201921581165U CN210380619U CN 210380619 U CN210380619 U CN 210380619U CN 201921581165 U CN201921581165 U CN 201921581165U CN 210380619 U CN210380619 U CN 210380619U
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- permanent magnet
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- air gap
- coupler
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Abstract
The utility model belongs to the technical field of permanent magnet transmission device technique and specifically relates to a fixed air gap permanent magnet coupler of adjustable speed, including conductor rotor part and permanent magnet rotor part, be equipped with permanent magnetism dish in the permanent magnet rotor part, set up slottedly on the permanent magnetism dish, and follow supreme bolt of installing in proper order down on the permanent magnetism dish, nut, permanent magnet and axial retaining ring, install on the permanent magnetism dish and be no less than two sets of bolts, nut, permanent magnet and axial retaining ring, be no less than two sets of bolts, nut, permanent magnet and axial retaining ring can follow the groove radial movement on the permanent magnetism dish and install on the permanent magnetism dish. Under the condition that the air gap is fixed, the torque transmission capacity of the permanent magnet coupler is changed, so that the load rotating speed is changed to match the requirement of the production process, and the effects of effectively saving energy and reducing consumption are achieved; compared with the structure that the load rotating speed is changed by adjusting the air gap of the permanent magnet coupler, the structure is more compact, the required axial space is small, and the adjustment is more convenient and time-saving.
Description
Technical Field
The utility model relates to a permanent magnetism transmission technical field especially relates to a fixed air gap permanent magnetism coupler of adjustable speed.
Background
The permanent magnet coupler is also called a magnetic coupling and a permanent magnet transmission device of the magnetic coupling and mainly comprises a copper rotor, a permanent magnet rotor and a controller. Generally, a copper rotor is connected to a motor shaft, a permanent magnet rotor is connected to a shaft of a working machine, and an air gap, called an air gap, is formed between the copper rotor and the permanent magnet rotor.
In most of permanent magnet couplers in the prior art, the change of the torque and the rotating speed of a working machine shaft is mainly realized by adjusting an air gap in the working process, but the required axial space is large, the adjusting cost is high, and under the condition that the air gap is fixed, the torque transmission capacity of the permanent magnet coupler is fixed, the load rotating speed is unchanged, and the requirements of energy saving and consumption reduction in the production process are difficult to achieve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art most permanent magnet coupler work, mainly realize the change of work machine axle moment of torsion, rotational speed through adjusting the air gap, but it is big to need the axial space, adjusts with high costs, and under the fixed condition of air gap, the ability of permanent magnet coupler transmission moment of torsion is fixed, and the load rotational speed is unchangeable, is difficult to reach the shortcoming of energy saving and consumption reduction's needs in the production technology, and the fixed air gap permanent magnet coupler of adjustable speed that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is a fixed air gap permanent magnet coupler with adjustable speed, which comprises a conductor rotor component and a permanent magnet rotor component, wherein a permanent magnet disc is arranged in the permanent magnet rotor component, a groove is formed in the permanent magnet disc, and the permanent magnet disc is sequentially provided with a bolt, a nut, a permanent magnet and an axial retainer ring from bottom to top.
Preferably, the permanent magnetic disk is provided with at least two groups of bolts, nuts, permanent magnets and axial check rings.
Preferably, at least two groups of bolts, nuts, permanent magnets and axial retainer rings can be arranged on the permanent magnet disc in a radially movable manner.
Preferably, the permanent magnet is provided with a through hole in a length direction.
Preferably, the bolt penetrates through the permanent magnet, and two ends of the bolt are fixed through the axial retainer ring and the end face of the thread respectively.
Preferably, the bolt is located in a threaded hole in the circumferential direction of the permanent magnet disc.
The utility model provides a fixed air gap permanent magnetism coupler of adjustable speed, beneficial effect lies in:
1. under the condition that the air gap is fixed, the torque transmission capacity of the permanent magnet coupler is changed, so that the load rotating speed is changed to match the requirements of the production process, and the effects of effectively saving energy and reducing consumption are achieved.
2. Compared with the structure that the load rotating speed is changed by adjusting the air gap of the permanent magnet coupler, the structure is more compact, the required axial space is small, and the adjustment is more convenient and time-saving.
The utility model discloses simple structure, the simple operation, in the work of most permanent magnet coupling among the solution prior art that can be fine, mainly realize the change of work spindle moment of torsion, rotational speed through adjusting the air gap, but it is big to need the axial space, adjusts with high costs, and under the fixed condition of air gap, the ability of permanent magnet coupling transmission moment of torsion is fixed, and the load rotational speed is unchangeable, is difficult to reach the shortcoming of energy saving and consumption reduction's needs in the production technology, has stronger practicality.
Drawings
Fig. 1 is a schematic sectional view of the structure of the present invention.
Fig. 2 is a schematic sectional view of the permanent magnet rotor part in the structure of the present invention at the lowest speed position.
Fig. 3 is a schematic cross-sectional view of the permanent magnets of the permanent magnet rotor assembly of the present invention in the highest speed position.
In the figure: 1-conductor rotor component, 2-permanent magnet rotor component, 201-permanent magnet disc, 202-bolt, 203-nut, 204-permanent magnet, 205-axial retainer ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a speed-adjustable fixed air gap permanent magnet coupler includes a conductor rotor component 1 and a permanent magnet rotor component 2, a permanent magnet disc 201 is disposed in the permanent magnet rotor component 2, a slot is disposed on the permanent magnet disc 201, a bolt 202, a nut 203, a permanent magnet 204 and an axial retaining ring 205 are sequentially mounted on the permanent magnet disc 201 from bottom to top, at least two sets of bolts 202, nuts 203, permanent magnets 204 and axial retaining rings 205 which can move along the radial direction are mounted on the permanent magnet disc 201, the bolt 202 penetrates through the permanent magnet 204, the bolt 202 is located in a threaded hole in the circumferential direction of the permanent magnet disc 201, two ends of the bolt 202 are respectively fixed through the axial retaining ring 205 and the end surface of the thread, a through hole is disposed in the length direction of the permanent magnet 204, the conductor rotor component 1 is connected with a prime mover, the permanent magnet rotor component 2 is connected with a load, the other end is fixed by the end face of the screw thread, the bolt 202 is screwed in the screw thread hole in the circumferential direction of the permanent magnet disc 201, the bolt 202 is screwed, the bolt 202 drives the permanent magnet 204 to move in the groove along the radial direction, so that the radial position of the permanent magnet 204 in the permanent magnet disc is changed, the torque transmission capacity of the permanent magnet 204 is changed, the bolt 202 is locked by the nut 203, the bolt 202 is prevented from loosening in operation due to vibration and the like, and the working stability of the working assembly is effectively ensured.
The working principle is as follows:
when the bolt 202 is screwed, the bolt 202 drives the permanent magnet 204 to move in the groove along the radial direction, so that the radial position of the permanent magnet in the permanent magnet disc is changed, the torque transmission capacity of the permanent magnet coupler is changed, and the nut is used for locking the bolt to prevent the bolt from loosening in operation due to vibration and the like.
In the description of the present invention, it is to be understood that the terms "from top to bottom", "up", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fixed air gap permanent magnet coupler of adjustable speed, includes conductor rotor part and permanent magnet rotor part, its characterized in that: be equipped with the permanent magnetism dish in the permanent magnetism rotor part, set up slottedly on the permanent magnetism dish, and from supreme bolt, nut, permanent magnet and the axial retaining ring of installing in proper order down on the permanent magnetism dish.
2. The fixed air gap permanent magnet coupler of claim 1, wherein: and at least two groups of bolts, nuts, permanent magnets and axial check rings are arranged on the permanent magnetic disk.
3. The fixed air gap permanent magnet coupler of claim 2, wherein: at least two groups of bolts, nuts, permanent magnets and axial retainer rings can be arranged on the permanent magnet disc in a way of moving along the radial direction of the groove on the permanent magnet disc.
4. The fixed air gap permanent magnet coupler of claim 1, wherein: and through holes are formed in the length direction of the permanent magnets.
5. The fixed air gap permanent magnet coupler of claim 1, wherein: the bolt penetrates through the permanent magnet, and two ends of the bolt are fixed through the axial check ring and the end face of the thread respectively.
6. The fixed air gap permanent magnet coupler of claim 1, wherein: the bolt is arranged in the threaded hole in the circumferential direction of the permanent magnet disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921581165.7U CN210380619U (en) | 2019-09-20 | 2019-09-20 | Speed-adjustable fixed air gap permanent magnet coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921581165.7U CN210380619U (en) | 2019-09-20 | 2019-09-20 | Speed-adjustable fixed air gap permanent magnet coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380619U true CN210380619U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921581165.7U Active CN210380619U (en) | 2019-09-20 | 2019-09-20 | Speed-adjustable fixed air gap permanent magnet coupler |
Country Status (1)
| Country | Link |
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| CN (1) | CN210380619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121748A (en) * | 2020-09-15 | 2020-12-25 | 严尔权 | Torque increasing mechanism of reaction kettle magnetic coupling |
-
2019
- 2019-09-20 CN CN201921581165.7U patent/CN210380619U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121748A (en) * | 2020-09-15 | 2020-12-25 | 严尔权 | Torque increasing mechanism of reaction kettle magnetic coupling |
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