Low-speed large-torque direct-drive permanent magnet motor

Abstract

The utility model belongs to the technical field of motors, and particularly relates to a low-speed large-torque direct-drive permanent magnet motor, which comprises a front motor assembly, a rear motor assembly and a permanent magnet assembly, the front motor assembly is an adjusting assembly, the rear motor assembly is an adjusting assembly, the front motor assembly and the rear motor assembly are assembled together, the overall torque can be improved, the adjusting mode is simple in the using process, and the needed torque and the needed motor rotating speed can be conveniently adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field especially relates to a low speed big torque direct drive permanent magnet motor. BACKGROUND

[0002] Permanent magnet motor has small volume, light weight and high efficiency energy saving and so on, has been widely used in industrial production, civilian and so on. With the emergence of new permanent magnet material, modern rare earth permanent magnet motor has the trend of developing to high power and high speed, and the application in the transmission system is also more and more widely;

[0003] The existing permanent magnet motor is limited by the internal permanent magnet when being used, so that the output power is easily affected, and the speed regulation is limited, thus the low speed big torque direct drive permanent magnet motor is specially designed. UTILITY MODEL CONTENTS

[0004] The utility model discloses to aim at the technical problem existing above, provide a low speed big torque direct drive permanent magnet motor, reach the effect that the convenient adjustment.

[0005] Therefore, the utility model provides a low speed big torque direct drive permanent magnet motor, comprising:

[0006] The front motor assembly is an output assembly.

[0007] The rear motor assembly is an adjusting assembly.

[0008] In the above technical scheme, further, the front motor assembly comprises:

[0009] The first casing is provided with an open end at the front end, and the rear end is a closed end and protrudes outward to form a boss, the boss is formed with an assembly cavity, and the boss end face is provided with an opening.

[0010] The cover is connected to the open end of the first casing, and the cover is provided with a matching hole.

[0011] The first stator is arranged on the inner side wall surface of the first casing.

[0012] The first rotor is arranged in the first casing, and one end of the first rotor is connected to the matching hole, and the other end extends into the matching hole and is connected to the rear motor assembly.

[0013] In the above technical scheme, further, the rear motor assembly comprises:

[0014] The second casing has the same structure as the first casing.

[0015] Second stator, second stator is arranged on the inner wall surface of second casing;

[0016] Second rotor, second rotor is arranged in second casing and extends to the assembly cavity and cooperates with the first rotor in the first casing.

[0017] In the above technical scheme, further comprising:

[0018] Rotary disc, rotary disc is arranged in the assembly cavity on the inner side of the boss of second casing and cooperates with the second rotor.

[0019] In the above technical scheme, further comprising:

[0020] Connecting edge, connecting edge is arranged on the cover, and the first casing and the second casing are provided with clamping grooves corresponding to the connecting edge, and the connecting edge sequentially connects the clamping grooves on the first casing and the second casing to fix the first casing and the second casing together.

[0021] In the above technical scheme, further, the first stator is made of permanent magnet material, and the second stator is an electromagnet.

[0022] In the above technical scheme, further comprising:

[0023] Connecting head, connecting head is arranged on the output end of second rotor, and the first rotor is provided with a connecting groove at one end of the assembly cavity, and the connecting groove cooperates with the connecting head to fix the first rotor and the second rotor.

[0024] The beneficial effects of the utility model are that: the front motor assembly and the rear motor assembly are assembled together, which helps to improve the overall torque, and the adjustment method is simple during use, and the required torque and motor speed can be conveniently adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the structural schematic diagram of the utility model;

[0026] Figure 2 It is the internal structure schematic diagram of the utility model;

[0027] Figure 3 It is the sectional view of the utility model;

[0028] The marks in the drawing are as follows: 1, front motor assembly;11, first casing;111, boss;112, assembly cavity;113, opening;114, connecting structure;12, cover;121, matching hole;13, first stator;14, first rotor;2, rear motor assembly;21, second casing;22, second stator;23, second rotor;3, rotary disc;4, connecting edge;5, connecting head;6, fixing rod;7, clamping groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art are within the scope of protection of the present application.

[0030] Embodiment 1

[0031] The embodiment provides a low-speed large-torque direct-drive permanent magnet motor, comprising:

[0032] The front motor assembly 1 is an output assembly.

[0033] The rear motor assembly 2 is an adjusting assembly.

[0034] The embodiment can be seen that the low-speed large-torque direct-drive permanent magnet motor comprises the front motor assembly 1 and the rear motor assembly 2.

[0035] The front motor assembly 1 and the rear motor assembly 2 are fixed in series, and the front motor assembly 1 is used as an output end of the motor as a whole, and the rear motor assembly 2 is used as an adjusting assembly, which can adjust the motor speed in use.

[0036] The front motor assembly 1 and the rear motor assembly 2 are assembled together, which helps to improve the overall torque, and the adjusting mode is simple in use, and the required torque and motor speed can be conveniently adjusted.

[0037] Embodiment 2

[0038] The embodiment provides a low-speed large-torque direct-drive permanent magnet motor, in addition to comprising the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0039] The front motor assembly 1 comprises;

[0040] The first shell 11 is provided with an open end at the front end, and a closed end at the rear end, and a boss 111 is protruded outwardly, and a mounting cavity 112 is formed in the boss 111, and an opening 113 is arranged on the end face of the boss 111;

[0041] The cover 12 is connected to the open end of the first shell 11, and the cover 12 is provided with a matching hole 121;

[0042] The first stator 13 is arranged on the inner side wall surface of the first shell 11.

[0043] The first rotor 14 is arranged in the first casing 11, and one end of the first rotor 14 is connected with the matching hole 121, and the other end extends into the matching hole 121 and is connected with the rear motor assembly 2.

[0044] It can be seen from the embodiment that the front motor assembly 1 comprises the first casing 11, the cover 12, the first stator 13 and the first rotor 14.

[0045] One end of the first casing 11 is an open end, and the other end is a closed end and is formed with a boss 111, and an assembly cavity 112 is formed on the inner side of the boss 111. The rear motor assembly 2 is connected to the rear end of the first casing 11 and extends into the assembly cavity 112 on the inner side of the boss 111 through the opening 113 to cooperate with the first rotor 14 to work.

[0046] Further, a plurality of connecting structures 114 are formed on the inner side wall surface of the first casing 11. The first stator 13 is assembled with the connecting structure 114 and is fixed to the first casing 11. The first rotor 14 is arranged in the first casing 11 and is fixed after being connected with the matching hole 121.

[0047] Embodiment 3

[0048] The embodiment provides a low-speed large-torque direct-drive permanent magnet motor. In addition to the technical solutions of the above-mentioned embodiments, the embodiment has the following technical features.

[0049] The rear motor assembly 2 comprises:

[0050] The second casing 21 has the same structure as the first casing 11.

[0051] The second stator 22 is arranged on the inner side wall surface of the second casing 21.

[0052] The second rotor 23 is arranged in the second casing 21 and extends forward into the assembly cavity 112 to cooperate with the first rotor 14 in the first casing 11.

[0053] It can be seen from the embodiment that the rear motor assembly 2 comprises the second casing 21, the second stator 22 and the second rotor 23.

[0054] The second casing 21 has the same structure as the first casing 11 and is buckled on the rear end of the first casing 11 to cover the boss 111 in the second casing 21. The second rotor 23 is arranged in the second casing 21, and one end of the second rotor 23 extends through the opening 113 of the boss 111 on the first casing 11 into the assembly cavity 112 and is connected with the first rotor 14. The other end of the second rotor 23 extends through the opening 113 of the boss 111 on the second casing 21 and is fixed.

[0055] Embodiment 4

[0056] The embodiment provides a low-speed large-torque direct-drive permanent magnet motor.

[0057] The rotating disc 3 is arranged in the assembly cavity 112 in the inner side of the boss 111 of the second shell 21 and matched with the second rotor 23.

[0058] The rotating disc 3 is arranged in the inner side of the boss 111 of the second shell 21 and fixed with the opening 113, so that the second rotor 23 can be fixed in use, and kinetic energy loss is reduced.

[0059] Embodiment 5

[0060] The embodiment provides a low-speed large-torque direct-drive permanent magnet motor.

[0061] The connecting edge 4 is arranged on the cover 12, the first shell 11 and the second shell 21 are provided with the clamping grooves 7 corresponding to the connecting edge 4, and the connecting edge 4 is sequentially connected with the clamping grooves 7 on the first shell 11 and the second shell 21 to fix the first shell 11 and the second shell 21 together.

[0062] The connecting edge 4 is formed on the cover 12, the first shell 11 and the second shell 21 are provided with the clamping grooves 7 corresponding to the position of the connecting edge 4 on the cover 12, and the connecting edge 4 is matched with the clamping grooves 7 through the pin;

[0063] In use, the connecting edge 4 is sequentially matched with the clamping grooves 7 on the first shell 11 and the second shell 21, one end of the connecting edge 4 matched with the second shell 21 extends to the outside of the clamping groove 7, a fixing hole is formed at the end extending to the outside of the clamping groove 7, and the fixing rod 6 is connected and fixed.

[0064] Embodiment 6

[0065] The embodiment provides a low-speed large-torque direct-drive permanent magnet motor.

[0066] The first stator 13 is made of permanent magnet material, and the second stator 22 is an electromagnet.

[0067] The first stator 13 is made of permanent magnet material, and the second stator 22 is an electromagnet.

[0068] Embodiment 7:

[0069] The embodiment provides a low-speed large-torque direct-drive permanent magnet motor, in addition to comprising the technical scheme of the above embodiment, further having the following technical features.

[0070] The connecting head 5 is arranged on the output end of the second rotor 23, the first rotor 14 is arranged with a connecting groove at one end of the assembly cavity 112, and the connecting groove is matched with the connecting head 5 to fix the first rotor 14 and the second rotor 23.

[0071] It can be seen from the embodiment that the connecting head 5 is formed on the output end of the second rotor 23, and the end of the first rotor 14 matched with the second rotor 23 is formed with a connecting groove, the connection between the connecting head 5 and the connecting groove is stable, and then the kinetic energy loss generated in the use process is reduced.

[0072] The embodiments of the application are described above in combination with the drawings, the embodiments and the features in the embodiments in the application can be combined with each other in the case of no conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not restrictive, and a person skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, and all the forms belong to the protection of the application.

Claims

1. A low-speed large-torque direct-drive permanent magnet motor, characterized in that, The utility model relates to a kind of motor assembly, including: Front motor assembly (1), the front motor assembly (1) is output assembly; Rear motor assembly (2), the rear motor assembly (2) is adjustment assembly; Wherein, front motor assembly (1) includes: First casing (11), the first casing (11) front end is set as open end, the first casing (11) rear end is closed end, and is outwardly protruding to form with boss (111), the boss (111) is formed with assembly cavity (112) inside, and the boss (111) end face is provided with opening (113); Machine cover (12), the machine cover (12) is connected on the open end of first casing (11), and the machine cover (12) is provided with matching hole (121); First stator (13), the first stator (13) is arranged on the inner side wall surface of first casing (11); First rotor (14), the first rotor (14) is arranged in first casing (11), and the first rotor (14) one end is connected with matching hole (121), and the other end extends into matching hole (121) and is connected with rear motor assembly (2); Wherein, rear motor assembly (2) includes: Second casing (21), the second casing (21) structure is same with first casing (11); Second stator (22), the second stator (22) is arranged on the inner side wall surface of second casing (21); Second rotor (23), the second rotor (23) is arranged in second casing (21), and extends forward into assembly cavity (112) and cooperates with the first rotor (14) in first casing (11) together in the second rotor (23).

2. The low-speed large-torque direct-drive permanent magnet motor according to claim 1, further characterized by Including: Rotating disc (3), the rotating disc (3) is arranged in assembly cavity (112) inside boss (111) in second casing (21) and cooperates with second rotor (23).

3. The low-speed large-torque direct-drive permanent magnet motor according to claim 2, further characterized by Including: Connecting edge (4), the connecting edge (4) is arranged on machine cover (12), and the first casing (11) and second casing (21) are provided with clamping groove (7) with connecting edge (4) correspondingly, and the connecting edge (4) connects the clamping groove (7) on first casing (11) and second casing (21) in sequence to fix first casing (11) and second casing (21) together.

4. The low-speed large-torque direct-drive permanent magnet motor according to claim 3, characterized in that, The first stator (13) is made of permanent magnet material, and the second stator (22) is electromagnet.

5. The low-speed large-torque direct-drive permanent magnet motor according to claim 4, further characterized by Including: Connecting head (5), the connecting head (5) is arranged on the output end of second rotor (23), and the first rotor (14) is provided with connecting slot in one end of assembly cavity (112) and extends, and the connecting slot cooperates with connecting head (5) and fixes first rotor (14) and second rotor (23).

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