Aluminum alloy three-phase asynchronous motor rotor convenient and quick to disassemble
By designing a convenient and quick-disassembly aluminum alloy three-phase asynchronous motor rotor, the problem of difficult replacement of damaged rotor shaft is solved, convenient disassembly and reinforcement effects are achieved, and replacement costs are reduced.
Patent Information
- Application Number
- CN202421940447.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The rotor of an existing three-phase asynchronous motor is easily damaged when overloaded, especially the shaft breaks, which makes replacement costly and inconvenient.
A quick-disassembly aluminum alloy three-phase asynchronous motor rotor is designed. By setting end rings and clamping structures that are easy to disassemble and assemble, and combining an aluminum alloy main shaft with a nickel-plated layer, it is easy to disassemble and assemble, replaceable, and has a reinforced shaft.
The rotor can be easily disassembled, assembled and replaced, the wear resistance and corrosion resistance of the shaft are enhanced, and the replacement cost and difficulty are reduced.
Smart Images

Figure CN223321846U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor rotors, in particular to a convenient and quick-detachable aluminum alloy three-phase asynchronous motor rotor. Background Art
[0002] The three-phase asynchronous motor is a type of induction motor. The rotor and stator rotating magnetic fields of the three-phase asynchronous motor rotate in the same direction but at different speeds, and there is a slip rate, so it is called a three-phase asynchronous motor. The rotating part inside the three-phase asynchronous motor is the rotor of the motor. The motor consists of two parts, the rotor and the stator. It is a device used to realize the conversion of electrical energy into mechanical energy and mechanical energy into electrical energy.
[0003] If the rotor is overloaded during the use of the motor, there is a risk of damage. Moreover, when the rotor shaft moves at high speed, problems such as material and operating intensity may cause the motor rotor shaft to break or be damaged, requiring the rotor to be replaced. Since replacing the rotor shaft is too costly, the rotor shaft can be replaced.
[0004] Therefore, we proposed a convenient and quick-disassembly aluminum alloy three-phase asynchronous motor rotor to improve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a convenient and quick-detachable aluminum alloy three-phase asynchronous motor rotor to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a convenient and quick-detachable aluminum alloy three-phase asynchronous motor rotor, comprising a rotor body, end rings are provided at both ends of the rotor body, a through hole is provided inside the end ring, an inner limit groove is provided on the inner wall of the end ring, a main shaft is inserted into the inside of the through hole, an inner clamping column is inserted into the inside of the main shaft, a clamping ring is connected to one side of the end ring, a clamping block is inserted into the inside of the clamping ring, a spring is provided on the outside of the clamping block, and a positioning groove is provided on the outside of the rotor body.
[0007] Preferably, the end ring is inserted on one side of the rotor body through a clamping ring, and a clamping block inserted inside the clamping ring is retracted and expanded with the clamping ring through a spring, and the clamping block passes through the clamping ring and is inserted into the interior of the positioning groove.
[0008] Preferably, the main shaft passes through the through hole inside the end ring, the inner clamping column passes through the inner limit groove and is clamped with the inner limit groove inside the end ring, and a heat dissipation hole is opened inside the end ring.
[0009] Preferably, an aluminum bar is inserted into the outer wall of the rotor body, a rotor core is installed outside the rotor body, an inner shaft groove is provided on the outer wall of the main shaft, and a mounting groove is opened at the front end of one side of the main shaft.
[0010] Preferably, a rotor blade is inserted into the interior of the end ring, a blade base is provided on one side of the rotor blade, a movable fixing block is connected to one side of the blade base, and a fixing groove is provided inside the end ring.
[0011] Preferably, the rotor blades penetrate the interior of the end ring so that the blade base contacts the end ring, the blade base and the movable fixing block rotate so that the movable fixing block is clamped into the fixing groove inside the end ring, and the rotor blades are installed inside the end ring at equal intervals.
[0012] Preferably, the exterior of the main shaft is coated with a nickel plating layer, the exterior of the nickel plating layer is provided with a nickel seal, and the interior of the main shaft is provided with an aluminum alloy body.
[0013] Preferably, the nickel plating layer and the nickel seal are sequentially coated on the outside of the aluminum alloy body, and the entire main shaft is made of the aluminum alloy body.
[0014] Compared with the prior art, the beneficial effects of the present invention are: the convenient quick-detachable aluminum alloy three-phase asynchronous motor rotor not only realizes the convenient disassembly and assembly function, realizes the replaceable function, but also realizes the shaft reinforcement function;
[0015] (1) By setting up a functional structure that facilitates disassembly and assembly, the utility model is beneficial in that: when in use, the main shaft and the inner rotating shaft groove carrying the main shaft are inserted into the interior of the rotor body, and then the inner clamping column is inserted into the interior of the main shaft through the inner limit groove provided in the main shaft, and the end ring is passed through the main shaft through the through hole so that the outer inner clamping column contacts the inner limit groove of the inner wall of the end ring, so that the clamping ring on one side of the end ring is clamped to the interior of the rotor body, and the clamping block inside the clamping ring is ejected into the positioning groove inside the rotor body by a spring to fix the end ring to both sides of the rotor body, thereby realizing the function of easy disassembly and assembly;
[0016] (2) By providing a replaceable structure, the present invention is advantageous in that: when in use, multiple sets of rotor blades are inserted into the interior of the end ring, so that the blade base on one side of the rotor blade enters the interior of the end ring, and then the movable fixing block on one side of the blade base is rotated and rotated into the fixing groove inside the end ring to fix the rotor blade on one side of the end ring, thereby realizing the replaceable function;
[0017] (3) By setting up a shaft reinforcement structure, the utility model has the following advantages: the main body of the main shaft and the inner rotating shaft groove is made of an aluminum alloy body, and the outside of the aluminum alloy body is coated with a nickel plating layer, which can increase the wear resistance and corrosion resistance of the main shaft. The nickel seal set on the outer layer of the nickel plating layer can increase the protection and corrosion resistance of the main shaft, thereby realizing the shaft reinforcement function. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a front view structural diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the rear cross-sectional structure of the end ring of the present invention;
[0020] Figure 3 This is a schematic diagram of the side cross-sectional structure of the end ring of the present utility model;
[0021] Figure 4 This is an enlarged cross-sectional structural diagram of the rotor body of the present invention;
[0022] Figure 5 For the utility model Figure 4 A schematic diagram of the enlarged cross-section structure at center A;
[0023] Figure 6 It is a schematic diagram of the enlarged structure of the main shaft section of the present invention.
[0024] In the figure: 1. Main shaft; 2. Rotor blade; 3. End ring; 4. Aluminum bar; 5. Rotor core; 6. Rotor body; 7. Mounting slot; 8. Movable fixing block; 9. Fixing slot; 10. Inner clamping column; 11. Heat dissipation hole; 12. Blade base; 13. Inner limit slot; 14. Through hole; 15. Inner shaft slot; 16. Positioning slot; 17. Clamping ring; 18. Spring; 19. Clamping block; 20. Nickel seal; 21. Nickel plating; 22. Aluminum alloy body. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0026] Example 1: Please refer to Figure 1-6A convenient and quick-detachable aluminum alloy three-phase asynchronous motor rotor includes a rotor body 6, end rings 3 are provided at both ends of the rotor body 6, a through hole 14 is provided inside the end ring 3, an inner limiting groove 13 is provided on the inner wall of the end ring 3, a main shaft 1 is inserted into the through hole 14, an inner clamping column 10 is inserted into the inner part of the main shaft 1, a clamping ring 17 is connected to one side of the end ring 3, a clamping block 19 is inserted into the inner part of the clamping ring 17, a spring 18 is sleeved on the outer side of the clamping block 19, and a positioning groove 16 is provided on the outer side of the rotor body 6;
[0027] The end ring 3 is inserted on one side of the rotor body 6 through the clamping ring 17. The clamping block 19 inserted inside the clamping ring 17 is extended and retracted with the clamping ring 17 by the spring 18. The clamping block 19 passes through the clamping ring 17 and is inserted into the interior of the positioning groove 16. The main shaft 1 passes through the through hole 14 inside the end ring 3. The inner clamping column 10 passes through the interior of the main shaft 1 through the inner limiting groove 13 and is clamped with the inner limiting groove 13 inside the end ring 3. A heat dissipation hole 11 is opened inside the end ring 3;
[0028] Specifically, if Figure 1 、 Figure 4 and Figure 5 As shown, by setting a functional structure that is easy to disassemble and assemble, when in use, the main shaft 1 and the inner rotating shaft groove 15 carrying the outside of the main shaft 1 are inserted into the interior of the rotor body 6, and then the inner clamping column 10 is inserted into the interior of the main shaft 1 through the inner limit groove 13 opened inside the main shaft 1, and the end ring 3 is passed through the main shaft 1 through the through hole 14 so that the external inner clamping column 10 contacts the inner limit groove 13 on the inner wall of the end ring 3, and the clamping ring 17 on one side of the end ring 3 is clamped into the interior of the rotor body 6, and the clamping block 19 inside the clamping ring 17 is ejected into the positioning groove 16 inside the rotor body 6 by the spring 18 to fix the end ring 3 to both sides of the rotor body 6, thereby realizing the function of easy disassembly and assembly.
[0029] Example 2: An aluminum bar 4 is inserted into the outer wall of the rotor body 6, a rotor core 5 is mounted on the outside of the rotor body 6, an inner shaft groove 15 is provided on the outer wall of the main shaft 1, a mounting groove 7 is provided at the front end of one side of the main shaft 1, a rotor blade 2 is inserted into the interior of the end ring 3, a blade base 12 is provided on one side of the rotor blade 2, a movable fixing block 8 is connected to one side of the blade base 12, and a fixing groove 9 is provided inside the end ring 3;
[0030] The rotor blades 2 pass through the end ring 3 so that the blade base 12 contacts the end ring 3. The blade base 12 and the movable fixing block 8 rotate so that the movable fixing block 8 is snapped into the fixing groove 9 inside the end ring 3. The rotor blades 2 are installed inside the end ring 3 at equal intervals.
[0031] Specifically, if Figure 1 、 Figure 2 and Figure 3As shown, by setting up a replaceable structure, multiple groups of rotor blades 2 are inserted into the interior of the end ring 3 during use, so that the blade base 12 on one side of the rotor blade 2 enters the interior of the end ring 3, and then the movable fixing block 8 on one side of the blade base 12 is rotated, and the movable fixing block 8 is rotated into the fixing groove 9 inside the end ring 3 to fix the rotor blade 2 on one side of the end ring 3, thereby realizing the replaceable function.
[0032] Example 3: The outer portion of the main shaft 1 is coated with a nickel plating layer 21 , a nickel seal 20 is provided on the outer portion of the nickel plating layer 21 , and an aluminum alloy body 22 is provided inside the main shaft 1 ;
[0033] The nickel plating layer 21 and the nickel seal 20 are sequentially coated on the outside of the aluminum alloy body 22, and the entire spindle 1 is made of the aluminum alloy body 22;
[0034] Specifically, if Figure 1 、 Figure 2 and Figure 4 As shown, by setting a shaft reinforcement structure, the utility model has the following benefits: the main body of the main shaft 1 and the inner shaft groove 15 is made of an aluminum alloy body 22, and the outside of the aluminum alloy body 22 is coated with a nickel plating layer 21, which can increase the wear resistance and corrosion resistance of the main shaft 1. The nickel seal 20 set on the outer layer of the nickel plating layer 21 can increase the protection and corrosion resistance of the main shaft 1, thereby realizing the shaft reinforcement function.
[0035] Working principle: When using the present invention, first, multiple groups of rotor blades 2 are sequentially inserted into the interior of the end ring 3, and the rotor blades 2 are passed through one side of the end ring 3, so that the blade base 12 on one side of the rotor blade 2 is clamped into the interior of the end ring 3, and then the movable fixing block 8 at the front end of the blade base 12 is rotated, and the movable fixing block 8 is rotated into the fixing groove 9 inside the end ring 3, and the rotor blade 2 is fixed to one side of the end ring 3, and then the main shaft 1 and the inner shaft groove 15 outside it are inserted into the interior of the rotor body 6, and contact with the aluminum bar 4 and the rotor core 5 inside the rotor body 6, and then the inner clamping column 10 is inserted into the interior of the main shaft 1 through the inner limit groove 13 opened inside the main shaft 1 , pass the end ring 3 through the main shaft 1 through the through hole 14, let the internal clamping column 10 on the outside of the main shaft 1 contact the inner limit groove 13 on the inner wall of the end ring 3, let the clamping ring 17 on one side of the end ring 3 be clamped to the inside of the rotor body 6, and the clamping block 19 inside the clamping ring 17 is ejected into the positioning groove 16 inside the rotor body 6 through the spring 18 to fix the end ring 3 to both sides of the rotor body 6. Finally, the rotor body 6 and the main shaft 1 are installed together into the interior of the motor. The main body of the main shaft 1 inside the rotor body 6 is an aluminum alloy body 22, and a nickel plating layer 21 and a nickel seal 20 are coated on the outer side of the aluminum alloy body 22 to increase the hardness, corrosion resistance and wear resistance of the main shaft 1.
[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A convenient and quick-disassembly type aluminum alloy three-phase asynchronous motor rotor, comprising a rotor body (6), characterized in that: End rings (3) are provided at both ends of the rotor body (6), a through hole (14) is provided inside the end ring (3), an inner limit groove (13) is provided on the inner wall of the end ring (3), a main shaft (1) is inserted into the inside of the through hole (14), an inner clamping column (10) is inserted into the inside of the main shaft (1), a clamping ring (17) is connected to one side of the end ring (3), a clamping block (19) is inserted into the inside of the clamping ring (17), a spring (18) is sleeved on the outside of the clamping block (19), and a positioning groove (16) is provided on the outside of the rotor body (6).
2. The quick-disassembly aluminum alloy three-phase asynchronous motor rotor according to claim 1, characterized in that: The end ring (3) is inserted into one side of the rotor body (6) through a clamping ring (17); a clamping block (19) inserted into the clamping ring (17) is extended and retracted with the clamping ring (17) through a spring (18); and the clamping block (19) penetrates the clamping ring (17) and is inserted into the interior of the positioning groove (16).
3. The quick-disassembly aluminum alloy three-phase asynchronous motor rotor according to claim 1, characterized in that: The main shaft (1) passes through the through hole (14) inside the end ring (3); the inner clamping column (10) passes through the inner limiting groove (13) inside the main shaft (1) and is clamped with the inner limiting groove (13) inside the end ring (3); and a heat dissipation hole (11) is opened inside the end ring (3).
4. The quick-disassembly aluminum alloy three-phase asynchronous motor rotor according to claim 1, characterized in that: An aluminum bar (4) is inserted into the outer wall of the rotor body (6), a rotor core (5) is installed outside the rotor body (6), an inner shaft groove (15) is provided on the outer wall of the main shaft (1), and a mounting groove (7) is opened at the front end of one side of the main shaft (1).
5. The quick-disassembly aluminum alloy three-phase asynchronous motor rotor according to claim 1, characterized in that: A rotor blade (2) is inserted into the interior of the end ring (3), a blade base (12) is provided on one side of the rotor blade (2), a movable fixing block (8) is connected to one side of the blade base (12), and a fixing groove (9) is provided inside the end ring (3).
6. The quick-disassembly aluminum alloy three-phase asynchronous motor rotor according to claim 5, characterized in that: The rotor blades (2) penetrate the interior of the end ring (3) so that the blade base (12) contacts the end ring (3); the blade base (12) rotates with the movable fixing block (8) so that the movable fixing block (8) is snapped into the interior of the fixing groove (9) inside the end ring (3); and the rotor blades (2) are installed inside the end ring (3) at equal intervals.
7. The quick-disassembly aluminum alloy three-phase asynchronous motor rotor according to claim 1, characterized in that: The outer portion of the main shaft (1) is coated with a nickel plating layer (21), the outer portion of the nickel plating layer (21) is provided with a nickel seal (20), and the inner portion of the main shaft (1) is provided with an aluminum alloy body (22).
8. The quick-disassembly aluminum alloy three-phase asynchronous motor rotor according to claim 7, characterized in that: The nickel plating layer (21) and the nickel seal (20) are sequentially coated on the outside of the aluminum alloy body (22), and the entire main shaft (1) is made of the aluminum alloy body (22).