CN213817550U

CN213817550U - Double-cylinder type permanent magnetic coupler structure

Info

Publication number: CN213817550U
Application number: CN202023344861.1U
Authority: CN
Inventors: 王荣松; 唐士明; 梁有为; 张秀
Original assignee: Qingdao Spring Energy Technology Co ltd
Current assignee: Qingdao Spring Energy Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-27
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a double-cylinder permanent magnetic coupler structure, which relates to the field of transmission equipment, and adopts the technical scheme that the double-cylinder permanent magnetic coupler structure comprises a driving unit and a driven unit arranged in parallel with the driving unit, wherein the driving unit comprises a circular plate-shaped driving plate, the driving plate is provided with an annular boss towards one side of the driven unit, a groove group is respectively arranged on the plate body of the driving plate positioned at the two sides of the boss, each groove group comprises a plurality of grooves arranged in a circumferential array, a permanent magnet is respectively arranged in each groove, the circumferential array at the top end of the boss is provided with a groove, and a permanent magnet is arranged in each groove; the driven unit comprises a circular plate-shaped driven plate, a steel ring group is arranged on one side of the driven plate towards the driving unit, the driven unit further comprises shaft sleeves fixedly connected with the driving unit and the driven unit respectively, and the two shaft sleeves are arranged oppositely. The utility model has the advantages that: the radiating effect is good, and under the condition of equal transmission power, this structure is compacter, and is small, transmission efficiency is high, allows to have great radial float.

Description

Double-cylinder type permanent magnetic coupler structure

Technical Field

The utility model relates to a transmission equipment field, in particular to binocular type permanent magnetism coupler structure.

Background

The double-cylinder permanent magnetic coupler mainly comprises a conductor rotor and a permanent magnet rotor, torque transmission from a motor to a load is realized through coupling of the conductor and the permanent magnet, and a transmission mode without mechanical connection between the motor and the load can be realized. The double-cylinder permanent magnet coupler transmission device is adopted, so that vibration can be effectively isolated, the installation is simple and convenient, large centering errors are tolerated, and the system is stable in operation.

The conventional double-cylinder permanent magnetic coupler is mostly in a disc structure, and the double-cylinder permanent magnetic coupler in the disc structure has the problems of low magnetic field utilization efficiency, small heat dissipation area, poor heat dissipation effect and the like.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a binocular type permanent magnet coupler structure.

The technical scheme includes that the device comprises a driving unit and a driven unit which is arranged in parallel with the driving unit, wherein the driving unit comprises a circular plate-shaped driving plate, an annular boss is arranged on one side, facing the driven unit, of the driving plate, groove groups are respectively arranged on plate bodies of the driving plate on two sides of the boss, each groove group comprises a plurality of grooves which are circumferentially arranged in an array mode, a permanent magnet is arranged in each groove, grooves are circumferentially arranged at the top ends of the bosses in an array mode, and a permanent magnet is arranged in each groove;

the driven unit comprises a circular plate-shaped driven plate, a steel ring group is arranged on one side of the driven plate, facing the driving unit, and comprises an outer steel ring and an inner steel ring which are arranged in parallel, the outer steel ring and the inner steel ring are respectively arranged on two sides of the boss, one ends, far away from the driven plate, of the outer steel ring and one end, far away from the driven plate, of the inner steel ring respectively correspond to the grooves, and the width between the outer steel ring and the inner steel ring is slightly larger than the width of the boss;

the driving unit is fixedly connected with the driven unit, and the two shaft sleeves are arranged oppositely.

Preferably, the shaft sleeve comprises a circular tubular sleeve, an annular mounting plate is vertically arranged at one end of the sleeve, and a plurality of mounting holes are formed in the plate body of the mounting plate in an array mode.

Preferably, the plate bodies of the driving plate and the driven plate are respectively provided with a plurality of threaded holes in an array mode, and the threaded holes correspond to the mounting holes.

Preferably, flanges are respectively arranged at one ends, far away from the driven plate, of the outer steel ring and the inner steel ring, and the two flanges are arranged oppositely.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the radiating effect is good, and the radiating efficiency is high, and under the condition of equal transmission power, this structure is compacter, and is small, transmission efficiency is high, allows great radial float.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of the embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Wherein the reference numerals are: 1. an active unit; 2. a driven unit; 3. a driving plate; 4. a boss; 5. a groove; 6. a permanent magnet; 7. a driven plate; 8. an outer steel ring; 9. an inner steel ring; 10. a shaft sleeve; 11. a sleeve; 12. mounting a plate; 13. mounting holes; 14. a threaded hole; 15. a flange.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through elements within two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1 to 3, the utility model provides a double-cylinder type permanent magnet coupler structure, including initiative unit 1 and driven unit 2 with initiative unit 1 parallel arrangement, initiative unit 1 includes circular platelike initiative board 3, initiative board 3 sets up annular boss 4 towards one side of driven unit 2, set up a groove group on the plate body of initiative board 3 that is located boss 4 both sides respectively, each groove group all includes that the circumferential array sets up a plurality of recesses 5, set up permanent magnet 6 in each recess 5 respectively, the top circumferential array of boss 4 sets up the slot, set up annular permanent magnet 6 in each slot respectively; the groove is superposed with the projection of the groove 5 on the plate body of the driving plate 3, and a magnetic field is formed between the permanent magnet 6 at the top end of the boss 4 and the two permanent magnets 6 on the plate body of the driving plate 3, so that magnetic lines of force are generated;

the driven unit 2 comprises a circular plate-shaped driven plate 7, a steel ring group is arranged on one side of the driven plate 7 facing the driving unit 1 and comprises an outer steel ring 8 and an inner steel ring 9 which are arranged in parallel, the outer steel ring 8 and the inner steel ring 9 are respectively arranged on two sides of the boss 4, one ends, far away from the driven plate 7, of the outer steel ring 8 and one end, far away from the driven plate 9, of the inner steel ring 9 correspond to the grooves 5 respectively, the width between the outer steel ring 8 and the inner steel ring 9 is slightly larger than that of the boss 4, an air gap exists between the outer steel ring 8 and the boss 4, mechanical connection does not exist between the driving unit 1 and the driven unit 2, magnetic connection is formed between the motor and load equipment, vibration can be effectively isolated and reduced, and damage of the motor caused by the vibration is reduced;

the driving unit comprises a driving unit 1 and a driven unit 2, and is characterized by further comprising shaft sleeves 10 which are fixedly connected with the driving unit 1 and the driven unit 2 respectively, wherein the two shaft sleeves 10 are arranged oppositely.

The shaft sleeve 10 comprises a circular tubular sleeve 11, an annular mounting plate 12 is vertically arranged at one end of the sleeve 11, and a plurality of mounting holes 13 are formed in the plate body of the mounting plate 12 in an array mode.

Through holes are respectively formed in the plate bodies of the driving plate 3 and the driven plate 7, the through holes and the sleeve 11 are coaxial, and the inner diameter of each through hole is slightly larger than that of the sleeve 11.

The plate bodies of the driving plate 3 and the driven plate 7 are respectively provided with a plurality of threaded holes 14 in an array mode, the threaded holes 14 correspond to the mounting holes 13, the shaft sleeve 10 is fixedly connected with the driving plate 3 and the driven plate 7 through bolts penetrating through the mounting holes 13 and the threaded holes 14, the bolts are connected, and the structure is simple, the connection is reliable, and meanwhile installation and disassembly in the later period are convenient.

The one end that outer steel ring 8 and interior steel ring 9 kept away from driven plate 7 sets up flange 15 respectively, and two 15 subtend settings of flange, flange 15 can increase outer steel ring 8 and interior steel ring 9 respectively with the response area of permanent magnet 6, promote the effect of cutting the magnetic line of force.

When the utility model is used, the shaft sleeve 10 fixedly connected with the driving unit 1 is fixedly connected with the motor shaft of the motor, and the shaft sleeve 10 fixedly connected with the driven unit 2 is connected with the rotating shaft of the load equipment; the motor is started, the motor drives the driving unit 1 to rotate, the driven unit 2 is relatively static, relative motion is generated between the driving unit 1 and the driven unit 2, the outer steel ring 8 and the inner steel ring 9 cut magnetic lines of force, eddy current is generated on the outer steel ring 8 and the inner steel ring 9, the eddy current further generates a counter-induction magnetic field and interacts with a magnetic field generated by the permanent magnet, and therefore torque transmission between the driving unit 1 and the driven unit 2 is achieved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A double-cylinder type permanent magnetic coupler structure is characterized by comprising a driving unit (1) and a driven unit (2) which is arranged in parallel with the driving unit (1), wherein the driving unit (1) comprises a circular plate-shaped driving plate (3), one side, facing the driven unit (2), of the driving plate (3) is provided with an annular boss (4), plate bodies of the driving plate (3) positioned on two sides of the boss (4) are respectively provided with a groove group, each groove group comprises a plurality of grooves (5) arranged in a circumferential array mode, permanent magnets (6) are respectively arranged in each groove (5), the top end of the boss (4) is circumferentially arranged in an array mode, and each groove is internally provided with a permanent magnet (6);

the driven unit (2) comprises a circular plate-shaped driven plate (7), a steel ring group is arranged on one side, facing the driving unit (1), of the driven plate (7), the steel ring group comprises an outer steel ring (8) and an inner steel ring (9) which are arranged in parallel, the outer steel ring (8) and the inner steel ring (9) are respectively arranged on two sides of the boss (4), one ends, far away from the driven plate (7), of the outer steel ring (8) and one ends, far away from the inner steel ring (9), of the inner steel ring (9) respectively correspond to the grooves (5), and the width between the outer steel ring (8) and the inner steel ring (9) is slightly larger than that of the boss (4);

the driving unit (1) and the driven unit (2) are fixedly connected through shaft sleeves (10), and the two shaft sleeves (10) are arranged oppositely.

2. The double-cylinder permanent magnetic coupler structure according to claim 1, characterized in that the bushing (10) comprises a circular tubular sleeve (11), one end of the sleeve (11) is vertically provided with an annular mounting plate (12), and a plurality of mounting holes (13) are arranged on the plate body of the mounting plate (12) in an array.

3. The double-cylinder type permanent magnetic coupler structure according to claim 2, wherein a plurality of threaded holes (14) are respectively arranged on the plate bodies of the driving plate (3) and the driven plate (7) in an array manner, and the threaded holes (14) correspond to the mounting holes (13).

4. The double-cylinder permanent magnetic coupler structure according to claim 1, wherein flanges (15) are respectively provided at ends of the outer steel ring (8) and the inner steel ring (9) remote from the driven plate (7), and the two flanges (15) are oppositely provided.