High-speed motor axial clearance elimination structure

Abstract

The utility model discloses a high-speed motor axial clearance eliminating structure which comprises a shell, a motor rotating shaft, a stator, a rotor, an eliminating assembly and a bearing assembly, the eliminating assembly is arranged in the shell, and the bearing assembly is arranged in the shell; the eliminating assembly comprises an eliminating frame arranged on the outer surface of the motor rotating shaft, eliminating rotating shafts are rotatably installed in the eliminating frame, a transmission belt is arranged between the eliminating rotating shafts in a sleeving mode, a threaded column is rotatably installed on one side of the eliminating frame and connected with the eliminating rotating shafts, and an eliminating ring is arranged on the outer surface of the motor rotating shaft and in threaded connection with the threaded column. A circular groove is formed in one side of the eliminating frame, and a cylinder is rotationally installed in the circular groove and connected with the eliminating rotating shaft. According to the axial clearance eliminating structure, adjustment can be carried out according to the axial clearance between the rotor and the first bearing through the arranged eliminating assembly, so that the axial clearance between the rotor and the first bearing is eliminated, and the using effect of the axial clearance eliminating structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -speed motor structure technical field, concretely relates to a high -speed motor axial gap elimination structure. BACKGROUND

[0002] High -speed motor because the rotation speed is high, the volume is far less than the power ordinary motor, and high -speed motor cancels the traditional speed reduction mechanism, high -speed motor has motor power density high, effective material saving, transmission efficiency is high, dynamic response fast etc.

[0003] Such as the patent application for no. CN202222909963.6, including the casing, the stator group, the rotor and the bearing assembly, it also includes the axial gap ring and the wave washer, the utility model discloses a rotor's magnet and bearing assembly between the high -speed motor is provided with the axial gap ring, eliminates the axial gap between the magnet and bearing assembly, so that the rotor's magnet can always keep in the middle position of the stator group when the high -speed motor operates, avoid the axial tension of the wind blade rotation to the rotor and change the magnet position, improve the working efficiency of high -speed motor, the setting of wave washer makes the rotor keep stable under a certain degree of axial tension, improves the stability of high -speed motor operation.

[0004] The existing axial gap elimination structure sets up the axial gap ring between the rotor and the bearing, eliminates the axial gap between the rotor and the bearing.

[0005] But, the axial gap between the rotor and the bearing of different high -speed motor is different, the axial gap ring can not be adjusted according to the axial gap between the rotor and the bearing, if the axial gap ring is greater than the axial gap between the rotor and the bearing, then it can not be installed between the rotor and the bearing, if the axial gap ring is less than the axial gap between the rotor and the bearing, then the axial gap elimination structure can not complete the elimination of the axial gap between the rotor and the bearing, thereby reduce the use effect of the axial gap elimination structure, and the high -speed motor axial gap elimination structure is designed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a high -speed motor axial gap elimination structure to solve the above -mentioned shortcomings in prior art.

[0007] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0008] Including the shell, motor shaft, stator, rotor, elimination assembly and bearing assembly, the elimination assembly is arranged in the shell, the bearing assembly is arranged in the shell;

[0009] The elimination assembly comprises an elimination frame arranged on the outer surface of the motor rotating shaft, an elimination rotating shaft rotatably arranged in the elimination frame, and a transmission belt sleeved between the elimination rotating shafts.

[0010] The elimination assembly can be adjusted according to the axial gap between the rotor and the first bearing, thereby eliminating the axial gap between the rotor and the first bearing, and the use effect of the axial gap elimination structure is improved.

[0011] A circular groove is formed in one side of the elimination frame, a cylinder is rotatably arranged in the circular groove, the cylinder is connected with the elimination rotating shaft, a prismatic groove is formed in one side of the cylinder, and a wave-shaped gasket ring is arranged on the outer surface of the motor rotating shaft.

[0012] A rotating groove is formed in one side of the shell, the motor rotating shaft is rotatably arranged in the rotating groove, the stator is fixedly arranged in the shell, and the rotor is sleeved on the outer surface of the motor rotating shaft.

[0013] The bearing assembly comprises a first bearing, a second bearing, a first circular ring, a second circular ring, a threaded ring and a limiting plate, the first bearing is arranged on the outer surface of the motor rotating shaft, and the second bearing is arranged on the outer surface of the motor rotating shaft.

[0014] The first circular ring is arranged on the outer surface of the motor rotating shaft, the second circular ring is arranged on the outer surface of the motor rotating shaft, the threaded ring is fixedly arranged on one side of the second circular ring, and the threaded ring is threadedly connected with the first circular ring.

[0015] A first limiting groove is formed in one side of the first circular ring, a second limiting groove is formed in one side of the second circular ring, and the limiting plate is slidably arranged in the first limiting groove.

[0016] In the above technical scheme, the high-speed motor axial gap elimination structure has the following beneficial effects:

[0017] 1. The elimination assembly can be adjusted according to the axial gap between the rotor and the first bearing, thereby eliminating the axial gap between the rotor and the first bearing, and the use effect of the axial gap elimination structure is improved.

[0018] 2. The wave-shaped gasket ring can cooperate with the elimination assembly to eliminate the axial gap between the rotor and the first bearing, thereby improving the use effect of the axial gap elimination structure.

[0019] 3. The bearing assembly can be adjusted according to the distance between the first bearing and the second bearing, thereby eliminating the axial gap between the first bearing and the second bearing. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0021] Figure 1 This is a schematic diagram of the axial clearance elimination structure provided in an embodiment of the high-speed motor axial clearance elimination structure of this utility model.

[0022] Figure 2 This is a cross-sectional schematic diagram of an axial clearance elimination structure provided in an embodiment of the high-speed motor axial clearance elimination structure of this utility model.

[0023] Figure 3 This is a schematic diagram of the elimination component structure provided in an embodiment of the high-speed motor axial clearance elimination structure of this utility model.

[0024] Figure 4 This is a schematic diagram of a bearing assembly structure provided for an embodiment of a high-speed motor axial clearance elimination structure according to the present invention.

[0025] 1. Housing; 2. Motor shaft; 3. Stator; 4. Rotor; 5. Elimination assembly; 6. Bearing assembly; 7. Elimination frame; 8. Elimination shaft; 9. Drive belt; 10. Threaded column; 11. Elimination ring; 12. Circular groove; 13. Cylindrical; 14. Riboid groove; 15. Rotary groove; 16. First bearing; 17. Second bearing; 18. First ring; 19. Second ring; 20. Threaded ring; 21. Limiting plate; 22. First limiting groove; 23. Second limiting groove; 24. Waveform washer ring. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0027] like Figures 1-4 As shown in the figure, this utility model provides a high-speed motor axial clearance elimination structure.

[0028] It includes a housing 1, a motor shaft 2, a stator 3, a rotor 4, an elimination assembly 5, and a bearing assembly 6. The elimination assembly 5 is disposed inside the housing 1, and the bearing assembly 6 is disposed inside the housing 1.

[0029] The eliminating assembly 5 comprises an eliminating frame 7 arranged on the outer surface of the motor shaft 2, the eliminating frame 7 is rotatably arranged with eliminating shafts 8, the eliminating shafts 8 are sleeved with a transmission belt 9, one side of the eliminating frame 7 is rotatably arranged with a threaded column 10, the threaded column 10 is connected with the eliminating shafts 8, the outer surface of the motor shaft 2 is arranged with an eliminating ring 11, the eliminating ring 11 is threadedly connected with the threaded column 10, according to the axial gap between the rotor 4 and the first bearing 16, a tool is used to rotate the cylindrical column 13 through the prismatic groove 14, the cylindrical column 13 drives the eliminating shafts 8 to rotate, the eliminating shafts 8 drive other eliminating shafts 8 to rotate through the transmission belt 9, the eliminating shafts 8 drive the threaded column 10 to rotate, the threaded column 10 drives the eliminating ring 11 to move, so that the axial gap between the rotor 4 and the first bearing 16 is eliminated.

[0030] The eliminating assembly 5 can adjust the axial gap between the rotor 4 and the first bearing 16, so that the axial gap between the rotor 4 and the first bearing 16 is eliminated, thereby increasing the use effect of the axial gap eliminating structure.

[0031] With reference to Figure 3 , one side of the eliminating frame 7 is arranged with a circular groove 12, the circular groove 12 is rotatably arranged with a cylindrical column 13, the cylindrical column 13 is connected with the eliminating shafts 8, one side of the cylindrical column 13 is arranged with a prismatic groove 14, the outer surface of the motor shaft 2 is arranged with a wave-shaped gasket ring 24.

[0032] The wave-shaped gasket ring 24 can cooperate with the eliminating assembly 5 to eliminate the axial gap between the rotor 4 and the first bearing 16, thereby improving the use effect of the axial gap eliminating structure.

[0033] With reference to Figure 2 , one side of the shell 1 is arranged with a rotating groove 15, the motor shaft 2 is rotatably arranged in the rotating groove 15, the stator 3 is fixedly arranged in the shell 1, and the rotor 4 is sleeved on the outer surface of the motor shaft 2.

[0034] With reference to Figure 3 , the bearing assembly 6 comprises a first bearing 16, a second bearing 17, a first circular ring 18, a second circular ring 19, a threaded ring 20 and a limiting plate 21, the first bearing 16 is arranged on the outer surface of the motor shaft 2, and the second bearing 17 is arranged on the outer surface of the motor shaft 2.

[0035] The bearing assembly 6 can be adjusted according to the distance between the first bearing 16 and the second bearing 17, thereby eliminating the axial gap between the first bearing 16 and the second bearing 17, holding the first circular ring 18 and rotating the second circular ring 19, and the second circular ring 19 drives the threaded ring 20 to rotate, so as to eliminate the axial gap between the first bearing 16 and the second bearing 17, and after the distance between the second circular ring 19 and the first circular ring 18 is adjusted, the limiting plate 21 is pushed from the first limiting groove 22 by using a tool, and the limiting plate 21 is inserted into the second limiting groove 23, so as to limit and fix the first circular ring 18 and the second circular ring 19.

[0036] The first circular ring 18 is arranged on the outer surface of the motor rotating shaft 2, the second circular ring 19 is arranged on the outer surface of the motor rotating shaft 2, the threaded ring 20 is fixedly installed on one side of the second circular ring 19, and the threaded ring 20 is in threaded connection with the first circular ring 18.

[0037] The first circular ring 18 is arranged on the outer surface of the motor rotating shaft 2, the second circular ring 19 is arranged on the outer surface of the motor rotating shaft 2, the threaded ring 20 is fixedly installed on one side of the second circular ring 19, and the threaded ring 20 is in threaded connection with the first circular ring 18.

[0038] The first circular ring 18 is arranged on the outer surface of the motor rotating shaft 2, the second circular ring 19 is arranged on the outer surface of the motor rotating shaft 2, the threaded ring 20 is fixedly installed on one side of the second circular ring 19, and the threaded ring 20 is in threaded connection with the first circular ring 18.

[0039] The working principle is as follows: first, according to the axial gap between the rotor 4 and the first bearing 16, the cylindrical body 13 is rotated by using a tool through the prismatic groove 14, the cylindrical body 13 drives the eliminating rotating shaft 8 to rotate, the eliminating rotating shaft 8 drives other eliminating rotating shafts 8 to rotate through the transmission belt 9, the eliminating rotating shaft 8 drives the threaded column 10 to rotate, the threaded column 10 drives the eliminating ring 11 to move, so as to eliminate the axial gap between the rotor 4 and the first bearing 16, according to actual needs, the first circular ring 18 is held and the second circular ring 19 is rotated, the second circular ring 19 drives the threaded ring 20 to rotate, so as to eliminate the axial gap between the first bearing 16 and the second bearing 17, and after the distance between the second circular ring 19 and the first circular ring 18 is adjusted, the limiting plate 21 is pushed from the first limiting groove 22 by using a tool, and the limiting plate 21 is inserted into the second limiting groove 23, so as to limit and fix the first circular ring 18 and the second circular ring 19.

[0040] The above only describes some exemplary embodiments of the utility model in a manner of description, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A high speed motor axial gap elimination structure comprising a housing (1), a motor rotating shaft (2), a stator (3), a rotor (4), an elimination assembly (5) and a bearing assembly (6), characterized in that, The eliminating assembly (5) is arranged in the shell (1), and the bearing assembly (6) is arranged in the shell (1); The eliminating assembly (5) comprises an eliminating frame (7) arranged on the outer surface of the motor rotating shaft (2), an eliminating rotating shaft (8) rotatably arranged in the eliminating frame (7), a transmission belt (9) sleeved between the eliminating rotating shafts (8), a threaded column (10) rotatably arranged on one side of the eliminating frame (7) and connected with the eliminating rotating shaft (8), and an eliminating ring (11) arranged on the outer surface of the motor rotating shaft (2) and threadedly connected with the threaded column (10).

2. The high speed motor axial gap elimination structure of claim 1, wherein, A circular groove (12) is formed in one side of the eliminating frame (7), a circular column (13) is rotatably arranged in the circular groove (12) and connected with the eliminating rotating shaft (8), and an angular groove (14) is formed in one side of the circular column (13).

3. The high speed motor axial gap elimination structure of claim 1, wherein, A rotating groove (15) is formed in one side of the shell (1), the motor rotating shaft (2) is rotatably arranged in the rotating groove (15), the stator (3) is fixedly arranged in the shell (1), and the rotor (4) is sleeved on the outer surface of the motor rotating shaft (2).

4. The high speed motor axial gap elimination structure of claim 1, wherein, The bearing assembly (6) comprises a first bearing (16), a second bearing (17), a first circular ring (18), a second circular ring (19), a threaded ring (20) and a limiting plate (21), the first bearing (16) is arranged on the outer surface of the motor rotating shaft (2), and the second bearing (17) is arranged on the outer surface of the motor rotating shaft (2).

5. A high speed motor axial gap elimination structure according to claim 4, wherein, The first circular ring (18) is arranged on the outer surface of the motor rotating shaft (2), the second circular ring (19) is arranged on the outer surface of the motor rotating shaft (2), the threaded ring (20) is fixedly arranged on one side of the second circular ring (19) and threadedly connected with the first circular ring (18).

6. A high speed motor axial gap elimination structure according to claim 4, wherein, A first limiting groove (22) is formed in one side of the first circular ring (18), a second limiting groove (23) is formed in one side of the second circular ring (19), and the limiting plate (21) is slidably arranged in the first limiting groove (22).

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