CN217935417U - Adjustable permanent magnet speed changer with planetary gear structure - Google Patents

Abstract

The utility model discloses an adjustable planetary gear structure permanent magnet speed changer, which comprises an input shaft, a driving shaft and a driving shaft, wherein the input shaft is arranged at the driving end; the output shaft is arranged at the load end; the fixed wheel is arranged between the input shaft and the output shaft and comprises a fixed wheel conductor disc and an air gap adjusting sheet; the planet carrier is arranged on one side, close to the input shaft, of the fixed wheel; the planet wheel is arranged in the fixed wheel; the sun gear is arranged on one side, close to the output shaft, of the fixed wheel and comprises a sun gear conductor disc; the transmission efficiency is adjusted by adjusting the air gap between the fixed wheel conductor disc and the permanent magnet disc through the air gap adjusting sheet, and the transmitted torque and the transmitted rotating speed are changed; the utility model discloses in, through conductor rotor at the rotation in-process cutting magnetic line of force, produce eddy current in the conductor, eddy current and then produce the reaction magnetic field, the magnetic field interaction who produces with the permanent magnet to realize torque transmission between the two, thereby change transmission torque and output speed, adjust convenient and fast, use strong adaptability.

Description

Adjustable permanent magnet speed changer with planetary gear structure

Technical Field

The utility model relates to a permanent magnetism eddy current transmission technical field especially relates to a planetary gear structure permanent magnetism variable speed motor with adjustable.

Background

The existing speed change mechanism achieves the purpose of speed change by generating speed change and torque change through different gear combinations or by combining hydraulic transmission and gears, but the mode is complex in adjustment mode and low in applicability.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an adjustable permanent magnet transmission with a planetary gear structure, which solves the prior art problems.

In order to achieve the above purpose, the utility model provides an adjustable planetary gear structure permanent magnet speed changer, which comprises,

the input shaft is arranged at the driving end;

the output shaft is arranged at the load end;

the fixed wheel is arranged between the input shaft and the output shaft and comprises a fixed wheel conductor disc and an air gap adjusting sheet;

the planet carrier is arranged on one side of the fixed wheel close to the input shaft;

the planet wheel is arranged in the fixed wheel and comprises a permanent magnetic disc;

the sun gear is arranged on one side, close to the output shaft, of the fixed wheel and comprises a sun gear conductor disc;

the air gap adjusting sheet is used for adjusting the air gap between the fixed wheel conductor disc and the permanent magnet disc so as to adjust the transmission efficiency and change the transmitted torque and rotating speed.

Furthermore, the diameter of the fixed wheel conductor disc is more than twice of that of the sun wheel conductor disc.

Furthermore, the number of the permanent magnet discs is at least three, each permanent magnet disc is internally provided with a magnet, and the polarities of the adjacent magnets are installed in opposite directions.

Further, a permanent magnet is installed in the permanent magnet disc.

Further, the input shaft is mounted on an input bearing seat, and the output shaft is mounted on an output bearing seat;

the input bearing seat is installed on the input base, and the output bearing seat is installed on the output base.

Further, still include the base that is used for bearing.

The beneficial effects of the utility model are embodied in:

the utility model discloses in, through conductor rotor at the rotation in-process cutting magnetic line of force, produce eddy current in the conductor, eddy current and then produce the reaction magnetic field, the magnetic field interaction who produces with the permanent magnet to realize torque transmission between the two, thereby change transmission torque and output speed, adjust convenient and fast, use strong adaptability.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of another perspective of the structure of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view of another perspective of the structure of the present invention;

fig. 5 is a front view of the structure of fig. 1 according to the present invention;

FIG. 6 is a cross-sectional view of the structure of FIG. 5 according to the present invention;

fig. 7 is a distribution diagram of the magnet of the present invention in the permanent magnet disk.

Description of reference numerals:

100. an input shaft; 101. an input bearing pedestal; 102. an input base; 200. an output shaft; 201. an output bearing pedestal; 202. an output base; 300. a fixed wheel; 301. a fixed wheel conductor disc; 302. an air gap adjustment sheet; 400. a planet carrier; 500. a planet wheel; 501. a permanent magnetic disk; 502. a magnet; 600. a sun gear; 601. a sun gear conductor disk; 700. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention relates to an adjustable planetary gear permanent magnet transmission, which comprises,

an input shaft 100 provided at the drive end; the driving end is the driving end of the permanent magnet speed changer; an output shaft 200 disposed at a load end; the load end is the load end of the permanent magnet speed changer;

referring to fig. 2-4, the fixed wheel 300, disposed between the input shaft 100 and the output shaft 200, includes a fixed wheel conductor disc 301 and an air gap adjustment sheet 302; a carrier 400 provided on the fixed gear 300 on the input shaft 100 side;

referring to fig. 7, a planet wheel 500 is disposed in a fixed wheel 300, and includes a permanent magnetic disk 501; referring to fig. 4 and 6, the sun gear 600 is disposed on one side of the fixed gear 300 close to the output shaft 200, and includes a sun gear conductor plate 601;

the air gap between the fixed wheel conductor disc 301 and the permanent magnet disc 501 is adjusted through the air gap adjusting sheet 302, so that the transmission efficiency is adjusted, and the transmitted torque and the transmitted rotating speed are changed. Specifically, tight pulley conductor dish 301 symmetry is equipped with two, through bolted connection between the tight pulley conductor dish 301, and on the bolt was located to air gap trimmer 302 uniform cover, through the quantity that changes air gap trimmer 302, and then the air gap between adjustment tight pulley conductor dish 301 and the permanent magnetism dish 501. The air gap adjustment sheet 302 is a gasket made of stainless steel or other metal materials.

When the planetary gear set works, the input shaft 100 drives the planetary gear carrier 400 to rotate, the planetary gear carrier 400 drives the planetary gears 500 to rotate, each planetary gear 500 generates permanent magnet induction with the fixed wheel 300, the planetary gears 500 generate permanent magnet induction with the sun gear 600 to drive the sun gear 600 to rotate, and the sun gear 600 finally drives the output shaft 200 to rotate; the air gap between the fixed wheel conductor disc 301 and the permanent magnet disc 501 is adjusted through the air gap adjusting sheet 302 to adjust the transmission efficiency, and the transmitted torque and the transmitted rotating speed are steplessly changed. When the input position and the output position are exchanged, the aim of reversely changing the transmission torque and the output rotating speed can be achieved. Compared with the prior art, the speed change device has the advantages of simple and efficient speed change mode, high energy saving rate, convenience in maintenance, environmental friendliness, durability and capability of adapting to more application occasions.

In one embodiment, fixed wheel conductor disc 301 has a diameter greater than 2 times the diameter of sun conductor disc 601, which is designed to vary the torque transmitted and the speed of rotation output.

In one embodiment, referring to fig. 3 and 7, at least three permanent magnetic disks 501 are provided, and each permanent magnetic disk 501 is provided with a magnet 502 therein, and the polarities of the adjacent magnets 502 are installed in opposite directions. The planet gear 500 generates permanent magnetic induction with the fixed gear 300, and the planet gear 500 generates permanent magnetic induction with the sun gear 600, so as to drive the output shaft 200 to rotate.

In one embodiment, permanent magnet disk 501 has permanent magnets mounted therein. The conductor rotor cuts magnetic lines of force in the rotating process, eddy current is generated in the conductor, and then the eddy current generates a reaction magnetic field to interact with a magnetic field generated by the permanent magnet, so that torque transmission between the conductor rotor and the permanent magnet is realized, the transmission torque and the output rotating speed are changed, the adjustment is convenient and fast, and the application adaptability is strong.

In one embodiment, referring to fig. 5 and 6, input shaft 100 is mounted on input bearing housing 101, and output shaft 200 is mounted on output bearing housing 201; the stability of input shaft and output shaft when rotating is convenient for guarantee.

The input bearing seat 101 is mounted on the input base 102, and the output bearing seat 201 is mounted on the output base 202. The input base 102 and the output base 202 are both provided with shaft holes.

In an embodiment, please refer to fig. 1, further comprising a base 700 for carrying, wherein the base 700 is provided with a groove for the fixed wheel 300 to move and adjust the position. The fixed wheel 300 can be adapted to move on the base 700 during adjustment of the air gap between the fixed wheel conductor disc 301 and the permanent magnet disc 501.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.

Claims (6)

1. The utility model provides a planetary gear structure permanent magnetism variable-speed motor with adjustable which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

an input shaft (100) provided at the drive end;

an output shaft (200) provided at a load end;

the fixed wheel (300) is arranged between the input shaft (100) and the output shaft (200) and comprises a fixed wheel conductor disc (301) and an air gap adjusting sheet (302);

a planetary carrier (400) provided on the side of the fixed gear (300) closer to the input shaft (100);

a planetary wheel (500) which is arranged in the fixed wheel (300) and comprises a permanent magnetic disk (501);

a sun gear (600) which is provided on the side of the fixed gear (300) closer to the output shaft (200) and includes a sun gear conductor disc (601);

the air gap between the fixed wheel conductor disc (301) and the permanent magnet disc (501) is adjusted through the air gap adjusting sheet (302), so that the transmission efficiency is adjusted, and the transmitted torque and the transmitted rotating speed are changed.

2. The permanent magnet transmission with adjustable planetary gear structure as claimed in claim 1, wherein: the diameter of the fixed wheel conductor disc (301) is more than 2 times of that of the sun wheel conductor disc (601).

3. The permanent magnet transmission with adjustable planetary gear structure as claimed in claim 2, wherein: the number of the permanent magnetic discs (501) is at least three, each permanent magnetic disc (501) is internally provided with a magnet (502), and the polarities of the adjacent magnets (502) are installed in opposite directions.

4. An adjustable planetary gear structure permanent magnet transmission as claimed in claim 1, 2 or 3, wherein: the permanent magnet disc (501) is internally provided with a permanent magnet.

5. The adjustable planetary gear structure permanent magnet speed change machine according to claim 4, wherein: the input shaft (100) is arranged on the input bearing seat (101), and the output shaft (200) is arranged on the output bearing seat (201);

the input bearing seat (101) is installed on the input base (102), and the output bearing seat (201) is installed on the output base (202).

6. The adjustable planetary gear structure permanent magnet speed change machine according to claim 1, wherein: also includes a base (700) for carrying.

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