CN210350934U - Driving motor with good stability - Google Patents
Driving motor with good stability Download PDFInfo
- Publication number
- CN210350934U CN210350934U CN201921834968.9U CN201921834968U CN210350934U CN 210350934 U CN210350934 U CN 210350934U CN 201921834968 U CN201921834968 U CN 201921834968U CN 210350934 U CN210350934 U CN 210350934U
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- China
- Prior art keywords
- end cover
- rear end
- stator
- motor
- shell
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- 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.)
- Expired - Fee Related
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- 229920001971 elastomer Polymers 0.000 claims abstract description 11
- 229910001141 Ductile iron Inorganic materials 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 7
- 238000013016 damping Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a driving motor with good stability, which comprises a casing, a front end cover, a rear end cover, a stator and a rotor, wherein the casing is divided into three sections, the material is nodular cast iron, the middle part is a cylindrical casing, the shapes of the two ends are bowl-shaped, round-mouth relative screws at the two ends are connected on the round mouth of the middle cylindrical casing, and the stator is sleeved in the middle position of the casing through heating, so that the casing and the stator are in an interference fit state; the front end cover and the rear end cover are respectively in threaded connection with two ends of a stator inside the shell, the front end cover and the rear end cover are in a cover shape with a circular notch in the middle, a damping mechanism consisting of an on-shaft fixed spring and a spring seat is good, the elasticity of an end face compensation mechanism sliding relatively on a motor rotor is achieved, a support at the bottom of the motor is fixed through a rubber support, radial vibration of the motor is well reduced, vibration of the motor is reduced in the axial direction and the radial direction respectively, the stability of the whole motor is enhanced, and safety and reliability of the motor in the working process can be improved.
Description
Technical Field
The utility model relates to a driving motor specifically is a driving motor that stability is good.
Background
A drive motor is a device that converts electrical energy into mechanical energy. The stator winding is electrified to generate a rotating magnetic field and act on the rotor to form magnetoelectric power rotating torque, and the magnetic field is stressed on current to enable the motor to rotate. The motors are classified into dc motors and ac motors according to the power sources used, and most of the motors in the power system are ac motors, which may be synchronous motors or asynchronous motors. The driving motor mainly comprises a stator and a rotor, and can generate certain vibration in the working process, the vibration is respectively caused by axial movement and rotary vibration of the rotor, and the vibration can generate certain noise and abrasion between mechanical parts, so that noise pollution is caused, and the stability of the driving motor is reduced.
Disclosure of Invention
An object of the utility model is to provide a driving motor that stability is good to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a driving motor with good stability comprises a shell, a front end cover, a rear end cover, a stator and a rotor, wherein the shell is divided into three sections, the material is nodular cast iron, the middle of the shell is a cylindrical shell, the shapes of two ends of the shell are bowl-shaped, round openings at two ends of the shell are connected to round openings of the middle cylindrical shell through screws, and the stator is sleeved in the middle of the shell through heating, so that the shell and the stator are in an interference fit state; the front end cover and the rear end cover are respectively in threaded connection with two ends of a stator in the shell, the front end cover and the rear end cover are in a cover shape with a circular notch in the middle, the circle centers of circle-center notches of the front end cover and the rear end cover are on the same horizontal line, the front end cover and the rear end cover are respectively pressed into bearings through interference fit, the bearings are deep groove ball bearings, the circle center of a rotor is fixed, two ends of a shaft are respectively fixed on the bearings through interference fit, machine seals are respectively sleeved at two ends of the shaft and are located on one side of the bearings, a spring and a spring seat are sleeved between the machine seals and the rotor on the rear end cover and used for fixing and supporting the spring, the spring seat is in interference fit with the shaft, and a fan is fixed on one backward side.
As a further aspect of the present invention: the junction box is welded on the side surface outside the shell and is used for connecting power lines, starting capacitors or control panels and other electrical elements; the pull ring is welded at the top of the shell and used for longitudinal transportation of the motor; the support is welded at the bottom of the shell, a rubber support is bonded at the bottom of the support, and the rubber support is a support product formed by inlaying, bonding and vulcanizing multiple layers of natural rubber and at least two layers of thin steel plates with the same thickness.
As a further aspect of the present invention: the junction box is welded on the side surface outside the shell and is used for connecting power lines, starting capacitors or control panels and other electrical elements; the pull ring is welded at the top of the shell and used for longitudinal transportation of the motor; the support is welded at the bottom of the shell, a rubber support is bonded at the bottom of the support, and the rubber support is a support product formed by inlaying, bonding and vulcanizing multiple layers of natural rubber and at least two layers of thin steel plates with the same thickness.
Compared with the prior art, the beneficial effects of the utility model are that: the damping mechanism consisting of the fixed spring and the spring seat on the shaft has good elasticity of the end face compensation mechanism which makes relative sliding on the motor rotor, the bottom support of the motor is fixed by the rubber support, so that the radial vibration of the motor is well reduced, the vibration of the motor is reduced in the axial direction and the radial direction respectively, the integral stability of the motor is enhanced, and the safety and the reliability of the motor in the working process can be improved.
Drawings
Fig. 1 is a schematic structural view of a driving motor with good stability.
Fig. 2 is a front view of a driving motor having good stability.
Fig. 3 is a left side view of a driving motor having good stability.
As shown in the figure: 1. a housing; 2. a front end cover; 3. a rear end cap; 4. a shaft; 5. a rubber support; 6. machine sealing; 7. a bearing; 8. a spring seat; 9. a spring; 10. a fan; 11. a rotor; 12. a stator; 13. a junction box; 14. a pull ring; 15. and (4) a bracket.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a driving motor with good stability includes a casing 1, a front end cover 2, a rear end cover 3, a stator 12 and a rotor 11, where the casing 1 is divided into three sections, the material is nodular cast iron, the middle section is a cylindrical shell, the two ends are bowl-shaped, round openings of the two ends are connected to the round opening of the middle cylindrical shell by screws, and the stator 12 is sleeved in the middle of the casing 1 by heating, so that the casing 1 and the stator 12 are in an interference fit state; the front end cover 2 and the rear end cover 3 are respectively in threaded connection with two ends of a stator 12 in the shell 1, the front end cover 2 and the rear end cover 3 are in a cover shape with a circular notch in the middle, the circle centers of circle notches of the front end cover 2 and the rear end cover 3 are on the same horizontal line, the notches of the front end cover 2 and the rear end cover 3 are respectively pressed into a bearing 7 through interference fit, the bearing 7 is a deep groove ball bearing, the circle center of a rotor 11 fixes a shaft 4, two ends of the shaft 4 are respectively fixed on the bearing 7 through interference fit, two ends of the shaft 4 are respectively sleeved with a mechanical seal 6 positioned on one side of the bearing 7, a spring 9 and a spring seat 8 are sleeved on the rear end cover 3 between the mechanical seal 6 and the rotor 11, the spring seat 8 is used for fixing and supporting the spring 9, the spring seat 8 and the shaft 4 are in interference fit, a fan 10 is fixed on the backward side shaft 4 of the bearing 7 on the rear.
A junction box 13, a pull ring 14 and a bracket 15 are arranged outside the machine shell 1, the junction box 13 is welded on the side surface of the outside of the machine shell 1 and is used for connecting power lines, starting capacitors or control panels and other electrical elements; the pull ring 14 is welded on the top of the shell 1 and used for longitudinal transportation of the motor; the support 15 is welded at the bottom of the machine shell 1, the rubber support 5 is bonded at the bottom of the support 15, and the rubber support is a support product formed by inlaying, bonding and vulcanizing multiple layers of natural rubber and at least two layers of thin steel plates with the same thickness.
The rotor 11 and the shaft 4 are integrally formed, a key groove is formed in the front end of the shaft 4 and used for connecting other devices during working, a flat key is formed in the rear end of the shaft 4 and used for connecting the fan 10, and the rotor 11 and the stator 12 are concentric and do not contact.
The utility model discloses a theory of operation is: the damping mechanism consisting of the fixed spring 9 and the spring seat 8 on the shaft 4 has good elasticity of the end face compensation mechanism which slides relatively on the motor rotor 11, the motor bottom support 15 is fixed by the rubber support 5, so that the radial vibration of the motor is well reduced, and the vibration in different directions is reduced by the combination of the two mechanisms, so that the stability of the driving motor is improved.
In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. A driving motor with good stability comprises a machine shell (1), a front end cover (2), a rear end cover (3), a stator (12) and a rotor (11), and is characterized in that the machine shell (1) is divided into three sections, the material is nodular cast iron, the middle of the machine shell is a cylindrical shell, the two ends of the machine shell are bowl-shaped, round openings at the two ends of the machine shell are connected to the round opening of the middle cylindrical shell through opposite screws, and the stator (12) is sleeved in the middle of the machine shell (1) through heating, so that the machine shell (1) and the stator (12) are in an interference fit state; the front end cover (2) and the rear end cover (3) are respectively in threaded connection with two ends of a stator (12) in a shell (1), the front end cover (2) and the rear end cover (3) are in a cover shape with a circular notch in the middle, the circle centers of the circular notches of the front end cover (2) and the rear end cover (3) are on the same horizontal line, the notches of the front end cover (2) and the rear end cover (3) are respectively pressed into a bearing (7) through interference fit, the bearing (7) is a deep groove ball bearing, the circle center of a rotor (11) is fixed on a shaft (4), two ends of the shaft (4) are respectively fixed on the bearing (7) through interference fit, a mechanical seal (6) is sleeved at two ends of the shaft (4) and is positioned at one side of the bearing (7), a spring (9) and a spring seat (8) are sleeved on the rear end cover (3) between the mechanical seal (6) and the rotor (11), the spring seat (8) is, and a fan (10) is fixed on the backward one-side shaft (4) of the bearing (7) on the rear end cover (3) through a flat key and interference fit.
2. The driving motor with good stability according to claim 1, wherein a junction box (13), a pull ring (14) and a bracket (15) are arranged outside the casing (1), and the junction box (13) is welded on the outer side surface of the casing (1) and is used for connecting electric elements such as a power line, a starting capacitor or a control panel; the pull ring (14) is welded at the top of the shell (1) and is used for longitudinal transportation of the motor; the support (15) is welded at the bottom of the shell (1), and the bottom of the support (15) is bonded with the rubber support (5).
3. The driving motor with good stability according to claim 1, wherein the rotor (11) and the shaft (4) are integrally formed, the front end of the shaft (4) is provided with a key slot for connecting other devices during operation, the rear end of the shaft (4) is provided with a flat key for connecting the fan (10), and the rotor (11) and the stator (12) are concentric and do not contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921834968.9U CN210350934U (en) | 2019-10-29 | 2019-10-29 | Driving motor with good stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921834968.9U CN210350934U (en) | 2019-10-29 | 2019-10-29 | Driving motor with good stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210350934U true CN210350934U (en) | 2020-04-17 |
Family
ID=70179310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921834968.9U Expired - Fee Related CN210350934U (en) | 2019-10-29 | 2019-10-29 | Driving motor with good stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210350934U (en) |
-
2019
- 2019-10-29 CN CN201921834968.9U patent/CN210350934U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |