CN216086380U - Rotor balancing device and motor - Google Patents
Rotor balancing device and motor Download PDFInfo
- Publication number
- CN216086380U CN216086380U CN202121708031.4U CN202121708031U CN216086380U CN 216086380 U CN216086380 U CN 216086380U CN 202121708031 U CN202121708031 U CN 202121708031U CN 216086380 U CN216086380 U CN 216086380U
- Authority
- CN
- China
- Prior art keywords
- ring
- rotor
- fixing
- fixing ring
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a rotor balancing device and a motor, comprising a fixing component for fixing a rotor on a rotating shaft; the fixing assembly comprises a first fixing ring, the first fixing ring is sleeved and fixed on the rotating shaft, and the relative position of the first fixing ring and the rotor is fixed; one end of the first fixing ring, which is far away from the rotor, is provided with a first ring groove; the opening area of the first ring groove is smaller than the groove bottom area of the first ring groove; and a balance ring is embedded in the first ring groove. The utility model utilizes the balance bar to adjust the balance of the rotor, and can be used for a long time and run stably.
Description
Technical Field
The utility model relates to the technical field of motor parts, in particular to a rotor balancing device and a motor.
Background
At present, the main components of the motor include a rotor, and when the motor is started, the rotor rotates at a high speed to drive a rotating shaft of the motor to rotate. When the rotor is unbalanced, the high-speed rotation amplifies the unbalance of the rotor, and the motor vibrates.
The rotor of the existing motor is generally balanced by fixing a balancing weight by bolts or welding. However, when the rotor rotates at an excessively high speed, the connection between the balancing weight and the rotor is easy to fatigue and lose efficacy, so that the balancing weight falls off from the rotor, and the whole quality of the motor is affected.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a rotor balancing device and a motor, which can be used for a long time and run stably after the balance of a rotor is adjusted.
In order to achieve the above object, the present invention provides a rotor balancing apparatus including a fixing assembly for fixing a rotor to a rotating shaft; the fixing assembly includes: the first fixing ring is sleeved and fixed on the rotating shaft, the first fixing ring and the rotor synchronously rotate along with the rotating shaft, and one end, far away from the rotor, of the first fixing ring is provided with a first annular groove; the opening area of the first ring groove is smaller than the groove bottom area of the first ring groove; the first balance ring is embedded in the first ring groove.
Preferably, the fixed subassembly still includes the solid fixed ring of second and connecting piece, the solid fixed ring of second is fixed in the pivot, first solid fixed ring pass through the connecting piece with the solid fixed ring of second is connected.
Preferably, the connecting piece is fixing bolt, fixing bolt runs through first solid fixed ring, fixing bolt runs through the one end of first solid fixed ring is worn to establish and threaded connection in the solid fixed ring of second.
Preferably, the fixing bolt is provided in plurality around an axis circumference of the first fixing ring.
Preferably, the fixing assembly further comprises a third fixing ring, the third fixing ring is fixed on the rotating shaft, and the third fixing ring and the second fixing ring are used for clamping the rotor.
Preferably, a second annular groove is formed in one end, far away from the rotor, of the third fixing ring; and a second balance ring is embedded in the second annular groove.
Preferably, the opening area of the second ring groove is smaller than the groove bottom area of the second ring groove.
Preferably, the balancing ring is a metal lead ring.
The utility model also provides a motor, which comprises a rotor, a rotating shaft, a rotor balancing device and a shell, wherein the rotor balancing device is the rotor balancing device, the rotor is sleeved on the rotating shaft, the rotor and the rotating shaft rotate in the shell, and the rotor balancing device is arranged on the rotating shaft.
In the technical scheme of the utility model, the first fixing ring is fixed with the rotating shaft and the rotor, the balance ring is embedded in the first ring groove, and the weight of the balance ring can be changed by adding or removing part of the balance ring, so that the rotor is balanced. Because the opening area of the first ring groove is smaller than the bottom area of the groove, the balance ring is not easy to throw out from the first fixing ring when the rotor rotates. The stability of the continuous balance of the rotor is improved, and the rotor can be used for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of a balancing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a balancing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a motor according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
700 | Inserting |
| 200 | |
800 | |
| 300 | First fixed |
900 | |
| 400 | |
110 | Second |
| 500 | |
120 | |
| 600 | Second fixing ring |
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a rotor balancing device and a motor.
Referring to fig. 1 and 2, in an embodiment of the present invention, a rotor balancing apparatus includes a fixing assembly for fixing a rotor 200 to a rotating shaft 100; the fixing assembly comprises a first fixing ring 300, the first fixing ring 300 is sleeved and fixed on the rotating shaft 100, the first fixing ring 300 and the rotor 200 rotate synchronously along with the rotating shaft 100, and one end of the first fixing ring 300, which is far away from the rotor 200, is provided with a first annular groove 400; the opening area of the first ring groove 400 is smaller than the groove bottom area of the first ring groove; a first balance ring 500, wherein the first balance ring 500 is embedded in the first ring groove 400.
The rotor 200 is sleeved on the rotating shaft 100, the first fixing ring 300 is sleeved on the rotating shaft 100, and the rotor 200, the rotating shaft 100 and the first fixing ring 300 are fixedly connected. When the rotor 200 is unbalanced, a portion of the first balance ring 500 corresponding to the position is removed, including but not limited to grinding and drilling. After removing the appropriate weight, the rotor 200, the rotation shaft 100 and the first fixing ring 300 are balanced. Since the opening area of the first ring groove 400 is smaller than the groove bottom area thereof, the first balance ring 500 is caught inside the first ring groove 400 in a natural state or an operating state, and the possibility of the first balance ring 500 being separated from the first fixing ring 300 is greatly reduced, thereby improving the stability and the duration of use allowed by the structure.
In the present embodiment, the first ring groove 400 is a dovetail groove. The first fixing ring 300 is a circular ring, and the outer diameter of the first fixing ring 300 is the same as that of the rotor 200. The axes of the first ring groove 400, the first fixing ring 300, the rotation shaft 100 and the rotor 200 are collinear. In another embodiment of the present application, the first ring groove 400 is a T-shaped groove, which is convenient to machine and saves manufacturing cost.
Preferably, the fixing assembly further includes a second fixing ring 600 and a connecting member, the second fixing ring 600 is fixed on the rotating shaft 100, and the first fixing ring 300 is connected to the second fixing ring 600 through the connecting member. When the first fixing ring 300 or the first balance ring 500 in the first fixing ring 300 is damaged and cannot be used, the connection between the first fixing ring 300 and the second fixing ring 600 is unfastened through the connecting piece, and the first fixing ring 300 and the first balance ring 500 are replaced and connected with the second fixing ring 600, so that the manual operation and replacement are facilitated.
Referring to fig. 1 and 2, further, a second fixing ring 600 is coaxially fixed on the rotating shaft 100, and a major diameter of the second fixing ring 600 is smaller than that of the rotor 200. The first fixing ring 300 has a circular slot 700 coaxially opened at a side facing the rotor 200, and the diameter of the slot 700 is the same as the outer diameter of the second fixing ring 600. The first fixing ring 300 and the second fixing ring 600 are buckled, the second fixing ring 600 is embedded in the slot 700 of the first fixing ring 300, and the end face, close to the rotor 200, of the first fixing ring 300 is attached to the rotor 200. The first fixing ring 300 can be attached to the rotor 200, and when the rotor 200 and the first fixing ring 300 rotate, the possibility of axial runout of the rotor 200 and the first fixing ring 300 is reduced, and the stability during structural operation is improved.
In another embodiment of the present application, the diameters of the second fixing ring 600 and the first fixing ring 300 are the same, and the end surfaces of the first fixing ring 300 and the second fixing ring 600 are disposed in a fitting manner. The first fixing ring 300 and the second fixing ring 600 are more convenient to process during processing, and cost is saved.
Preferably, the connecting piece is a fixing bolt 800, the fixing bolt 800 penetrates through the first fixing ring 300, and one end of the fixing bolt 800 penetrating through the first fixing ring 300 is threaded into the second fixing ring 600. Through fixing bolt 800 with the solid fixed ring 300 of first fixed ring and the solid fixed ring 600 of second connected, fixing bolt 800 is the standard component, and the purchase is easy, conveniently acquires and change easily.
Referring to fig. 1 to 2, further, a fixing bolt 800 vertically penetrates through an end of the first fixing ring 300 away from the second fixing ring 600, the fixing bolt 800 penetrates through and is threadedly connected to the first fixing ring 300, and the fixing bolt 800 penetrates through an end of the first fixing ring 300 and is threadedly connected to the second fixing ring 600. In this embodiment, the fixing bolt 800 is a countersunk bolt, and a countersunk hole is formed in the first fixing ring 300 corresponding to the countersunk bolt. The fixing bolt 800 does not leak, the possibility that the fixing bolt 800 contacts other parts or structures is reduced, and the stability of the structure during operation is improved.
In yet another embodiment of the present application, the fixing bolt 800 penetrates and is slidably coupled to the first fixing ring 300. The fixing bolt 800 directly penetrates through the first fixing ring 300 and then is in threaded connection with the second fixing ring 600. Reducing the pitch of the screw holes in the first fixing ring 300 and the second fixing ring 600 may lead to a gap between the first fixing ring 300 and the second fixing ring 600. The connecting piece can also be a screw which is screwed by a screwdriver. Because screwdrivers are more common than hex wrenches in most factories or homes, the applicability of screws is wider.
Preferably, the fixing bolt 800 is provided in plurality around the circumference of the axis of the first fixing ring 300. The plurality of fixing bolts 800 connect the first fixing ring 300 and the second fixing ring 600, and the connection is tighter. Referring to fig. 1 to 2, four fixing bolts 800 are uniformly arranged around the circumference of the axis of the first fixing ring 300.
Preferably, the fixing assembly further includes a third fixing ring 900, the third fixing ring 900 is fixed to the rotating shaft 100, and the third fixing ring 900 and the second fixing ring 600 are used for clamping the rotor 200.
The third fixing ring 900 is sleeved on the rotating shaft 100, and the third fixing ring 900 is fixed with the rotating shaft 100. The rotor 200 is sleeved on the rotating shaft 100, and one end of the rotor 200 abuts against the third fixing ring 900. The second fixing ring 600 is sleeved on the rotating shaft 100, one end of the rotor 200, which is far away from the third fixing ring 900, is abutted against the second fixing ring 600, and the second fixing ring 600 is fixed with the rotating shaft 100. At this time, the rotor 200 is held by the third fixing ring 900 and the second fixing ring 600, reducing the possibility that the rotor 200 is separated from the rotation shaft 100. The connection means between the second fixing ring 600, the third fixing ring 900 and the rotation shaft 100 include, but are not limited to, welding, bolting, etc.
Referring to fig. 1 to 2, a major diameter of the third retaining ring 900 is the same as a major diameter of the first retaining ring 300.
Preferably, one end of the third fixing ring 900 away from the rotor 200 is opened with a second ring groove 110; a second balance ring 120 is embedded in the second ring groove 110. Since the first balance ring 500 has a limited weight, the second balance ring 120 is provided in the second fixing ring 600. The adjustable weight is added, and the range of stability adjustment to the rotor 200 is increased.
Preferably, the opening area of the second ring groove 110 is smaller than the groove bottom area thereof. The second ring groove 110 may be a dovetail groove or a T-shaped groove. The second ring groove 110 reduces the possibility of the second balance ring 120 being disengaged from the second ring groove 110, and improves the stability of the structural operation.
Preferably, the balancing ring is a metal lead ring.
The metallic lead is melted by heating and then injected into the first and second ring grooves 400 and 110 of the first and third fixing rings 300 and 900. Waiting for the lead to cool and solidify, the structure is installed, and the corresponding portion of the first balance ring 500 or the second balance ring 120 is removed according to the weight distribution of the rotor 200. The lead is soft and convenient to remove. And lead is thermally melted and injected into the first ring groove 400 or the second ring groove 110, so that the cooled lead is stably connected with the first fixing ring 300 or the third fixing ring 900, enhancing the possibility of synchronous rotation of the first balance ring 500, the second balance ring 120 and the rotor 200.
It should be noted that, in the present application, the materials of the first balance ring 500 and the second balance ring 120 also include, but are not limited to, materials that are heat-fusible and soft, such as tin, rubber, plastic, etc.
In this embodiment, lead is thermally melted and injected into the first and second ring grooves 400 and 110 of the first and third fixing rings 300 and 900. After the lead is cooled and solidified, the third fixing ring 900 is sleeved on the rotating shaft 100, and the third fixing ring 900 is welded to the rotating shaft 100. The rotor 200 is sleeved on the rotating shaft 100, and the rotor 200 is located at one end of the third fixing ring 900 far away from the second ring groove 110. The second fixing ring 600 is fitted around the rotating shaft 100, and the rotor 200 is held by the second fixing ring 600 and the third fixing ring 900. The second fixing ring 600 is welded to the rotation shaft 100 to fix the position of the rotor 200. The first fixing ring 300 is sleeved on the rotating shaft 100, and the first fixing ring 300 and the second fixing ring 600 are fixed by the fixing bolt 800. According to the weight distribution of the rotor 200, the corresponding parts of the first balance ring 500 and the second balance ring 120 are removed, so that the balance adjustment of the rotor 200 is realized.
Referring to fig. 3, the motor includes a rotor 200, a rotating shaft 100, a rotor balancing device and a housing, the rotor balancing device is disposed in the housing, the rotor 200 is sleeved on the rotating shaft 100, the rotor 200 and the rotating shaft 100 rotate in the housing, and the rotor balancing device is disposed on the rotating shaft 100.
Specifically, the shaft 100 is rotatably connected inside the housing, and one end of the shaft 100 extends out of the housing. The rotor 200 and the rotor balancing means are both internally cut in the housing and connected to the shaft 100. The specific structure of the rotor balancing device refers to the above embodiments, and since the motor adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A rotor balancing device is characterized by comprising a fixing assembly for fixing a rotor on a rotating shaft; the fixing assembly includes:
the first fixing ring is sleeved and fixed on the rotating shaft, the first fixing ring and the rotor synchronously rotate along with the rotating shaft, and one end, far away from the rotor, of the first fixing ring is provided with a first annular groove; the opening area of the first ring groove is smaller than the groove bottom area of the first ring groove;
the first balance ring is embedded in the first ring groove.
2. The rotor balancing apparatus of claim 1, wherein the fixing assembly further includes a second fixing ring fixed to the rotation shaft and a connecting member through which the first fixing ring is connected to the second fixing ring.
3. The rotor balancing device of claim 2, wherein the connecting member is a fixing bolt that penetrates the first fixing ring, and the fixing bolt penetrates one end of the first fixing ring and is screwed to the second fixing ring.
4. The rotor balancing apparatus of claim 3, wherein the fixing bolts are provided in plurality circumferentially around an axis of the first fixing ring.
5. The rotor balancing apparatus of claim 2, wherein the fixing assembly further includes a third fixing ring fixed to the rotation shaft, the third fixing ring and the second fixing ring being configured to clamp the rotor.
6. The rotor balancing device of claim 5, wherein the end of the third retaining ring away from the rotor defines a second annular groove; and a second balance ring is embedded in the second annular groove.
7. The rotor balancing apparatus of claim 6, wherein the second ring groove has an opening area smaller than a groove bottom area of the second ring groove.
8. A rotor balancing device according to any one of claims 1 to 6, wherein the balancing ring is a lead metal ring.
9. An electric machine comprising a rotor, a shaft, a housing, and a rotor balancing device as claimed in any one of claims 1 to 8, wherein the rotor is sleeved on the shaft, the rotor and the shaft rotate in the housing, and the rotor balancing device is disposed on the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708031.4U CN216086380U (en) | 2021-07-26 | 2021-07-26 | Rotor balancing device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708031.4U CN216086380U (en) | 2021-07-26 | 2021-07-26 | Rotor balancing device and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216086380U true CN216086380U (en) | 2022-03-18 |
Family
ID=80666456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121708031.4U Active CN216086380U (en) | 2021-07-26 | 2021-07-26 | Rotor balancing device and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216086380U (en) |
-
2021
- 2021-07-26 CN CN202121708031.4U patent/CN216086380U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216086380U (en) | Rotor balancing device and motor | |
| CN208467318U (en) | A kind of motorcycle cylinder set turning tool for processing | |
| CN209802228U (en) | Hub unit finished product detection device that beats | |
| CN207358182U (en) | Axle core component and electro spindle | |
| CN202278197U (en) | Electric spindle of boring mill | |
| CN205209695U (en) | Centrifugal fan impeller dynamic balance flange axle sleeve for accuracy test | |
| CN203248408U (en) | Impeller hub dismounting device | |
| CN205552072U (en) | Round piece quick clamping's tool | |
| CN208342403U (en) | Bearing outer ring oil seal processing unit (plant) and lathe | |
| CN107023501B (en) | But quick assembly disassembly's centrifugal fan | |
| KR101542067B1 (en) | Rotary type pipe clamp | |
| CN211438760U (en) | Clamping jaw of chuck | |
| CN210686710U (en) | Bearing seat of linear bearing | |
| CN108067900B (en) | Positioning tool | |
| CN207719936U (en) | A kind of mounting structure adding pretightning force for magnetic suspension motor protection bearing | |
| CN103122875B (en) | Impeller hub attaching/detaching apparatus | |
| CN219382816U (en) | Frock that aircraft generator main rotor axle subassembly ultra-test was used | |
| CN205785158U (en) | A kind of test-bed rotational angle measurement apparatus | |
| CN209902262U (en) | Table type machine tool | |
| CN214649106U (en) | Horizontal support device for static balance calibration of fixed-pitch propeller | |
| CN218926298U (en) | Vibration-proof device for machining ball head shell | |
| CN220698856U (en) | Ternary flow impeller processing tool | |
| CN216575549U (en) | High-precision numerical control gantry machining center spindle structure | |
| CN210548195U (en) | Eccentric shaft machining device | |
| CN215847129U (en) | Machining clamp for double-lug hanging flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |