CN109038961B - Motor protector convenient to install - Google Patents
Motor protector convenient to install Download PDFInfo
- Publication number
- CN109038961B CN109038961B CN201810827447.4A CN201810827447A CN109038961B CN 109038961 B CN109038961 B CN 109038961B CN 201810827447 A CN201810827447 A CN 201810827447A CN 109038961 B CN109038961 B CN 109038961B
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- Prior art keywords
- protector
- end cover
- protection
- motor
- casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The invention belongs to the technical field of motor accessories, and particularly relates to a conveniently-installed motor protector which comprises a protection device, an installation device and an auxiliary device, wherein the protection device consists of a protector shell, a shaft protection ring and a fan blade fixing ring fixedly installed on the outer side wall of the shaft protection ring; set up the protector mount pad on the lateral wall of protector casing, at installation protector casing, usable screw is fixed the protector casing, because general metric system screw, convenient dismantlement and installation to at axle guard circle internally mounted's pressure sensor, whether the atress direction of detectable rotor in the rotation process squints, whether the rotation center squints, can in time detect out, has installed the heat dissipation fan simultaneously, can solve the bad condition of original motor end cover department heat dissipation.
Description
Technical Field
The invention belongs to the technical field of motor accessories, and particularly relates to a motor protector convenient to install.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, and comprises a stator and a rotor, wherein a winding group is generally arranged on the stator, the stator or the stator and the rotor are wrapped in a casing for protecting the stator and the winding group, the motor is provided with the casing, the protector is used for protecting the motor, when the motor is abnormal, an alarm or a protection device is given, and the protector is arranged on the casing on the general motor.
The existing motor protector is generally installed at a position between a motor shell and a rotor, namely an end cover, but the existing protector is usually fixed in a press fitting mode, the fixing mode needs to be fixed by a press fitting machine, and the protector can be extruded and fall off in the transportation process of the motor.
Disclosure of Invention
The invention aims to provide a conveniently-installed motor protector, which aims to solve the problems that the conventional motor protector is generally installed at a position between a motor shell and a rotor, namely an end cover, but the conventional protector is usually fixed in a press-fitting mode, the fixing mode needs to be fixed by a press-fitting machine, and the protector can be extruded and possibly falls off in the transportation process of a motor.
In order to achieve the purpose, the invention provides the following technical scheme: a motor protector convenient to install comprises a protection device, an installation device and an auxiliary device, wherein the protection device is composed of a protector shell, a shaft protection ring and a fan blade fixing ring fixedly installed on the outer side wall of the shaft protection ring, the protector shell is in a circular ring shape, the shaft protection ring is located on the inner side of the protector shell and is rotatably connected with the protector shell, a needle bearing is arranged between the shaft protection ring and the protector shell, the installation device comprises a protection end cover and a supporting body, the protection end cover is in a disc shape, an installation groove is formed in the inner side of the protection end cover, the protector shell is installed in the installation groove, the protector shell is fixedly connected with the protection end cover, the supporting body is located on the inner side wall of the protection end cover and is welded and fixed with the protection end cover, auxiliary device is including heat dissipation fan, speedtransmitter and pressure sensor, the heat dissipation fan cover is established on the lateral wall of flabellum retainer plate, and with flabellum retainer plate fixed connection, speedtransmitter fixed mounting in the front surface of protection end cover, just speedtransmitter's sense terminal is located the place ahead of heat dissipation fan, speedtransmitter and internal power source electric connection, it holds the chamber to have seted up in the axle guard circle, pressure sensor installs in holding the intracavity, just pressure sensor with the connection can be dismantled to the axle guard circle, pressure sensor and internal power source electric connection.
Preferably, a protector mounting seat is arranged on the outer side wall of the protector shell, and the protector shell is fixed with the protection end cover in a threaded connection mode through the protector mounting seat.
Preferably, a key groove is formed in the inner side wall of the shaft protection ring, the shaft protection ring is sleeved on the motor rotor shaft, and the shaft protection ring is in key connection with the shaft.
Preferably, the inside of axle guard circle is equipped with the sensor mounting bracket, the sensor mounting bracket is the annular, pressure sensor quantity is six, and is regular hexagon and evenly installs on the sensor mounting bracket.
Preferably, an end cover mounting seat is arranged on the outer side wall of the protection end cover, and the protection end cover and the motor shell are fixed through the end cover mounting seat in a threaded connection mode.
Preferably, a filter screen is fixedly arranged between the speed sensors and is positioned on the surface of the protector shell.
Compared with the prior art, the invention has the beneficial effects that: set up the protector mount pad on the lateral wall of protector casing, at installation protector casing, usable screw is fixed the protector casing, because general metric system screw, convenient dismantlement and installation, and through the pressure sensor at axle guard circle internally mounted, whether the atress direction of detectable rotor at the rotation in-process squints, whether the rotation center squints, it is more to work as one side atress, make the rotor rotate in-process central squint easily, the load grow, lead to the motor to generate heat, can in time detect out through pressure sensor, and speed sensor has been set up, detectable rotor is at the rotational speed of rotation in-process, judge the operational aspect of motor, the heat dissipation fan has been installed simultaneously, can be together rotatory with electric motor rotor, can solve the bad condition of heat dissipation of original motor end cover department.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic structural view of the shaft guard ring of the present invention;
in the figure: 10. a protection device; 11. a protector housing; 111. a protector mounting base; 12. a shaft guard ring; 13. a fan blade fixing ring; 20. a mounting device; 21. protecting the end cover; 211. an end cover mounting seat; 22. a support body; 23. mounting grooves; 30. an auxiliary device; 31. a heat dissipation fan; 311. a filter screen; 32. a speed sensor; 33. a pressure sensor; 331. a sensor mounting bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a motor protector convenient to install comprises a protection device 10, an installation device 20 and an auxiliary device 30, wherein the protection device 10 comprises a protector shell 11, a shaft protection ring 12 and a fan blade fixing ring 13 fixedly installed on the outer side wall of the shaft protection ring 12, the protector shell 11 is in a circular ring shape, the shaft protection ring 12 is located on the inner side of the protector shell 11, the shaft protection ring 12 is rotatably connected with the protector shell 11, a needle bearing is arranged between the shaft protection ring 12 and the protector shell 11, the installation device 20 comprises a protection end cover 21 and a supporting body 22, the protection end cover 21 is in a disc shape, an installation groove 23 is formed in the inner side of the protection end cover 21, the protector shell 11 is installed in the installation groove 23, the protector shell 11 is fixedly connected with the protection end cover 21, the supporting body 22 is located on the inner side wall of the protection end cover 21 and is welded and fixed with the, Speed sensor 32 and pressure sensor 33, heat dissipation fan 31 cover is established on the lateral wall of flabellum retainer plate 13, and with flabellum retainer plate 13 fixed connection, speed sensor 32 fixed mounting is in the front surface of protection end cover 21, and speed sensor 32's sense terminal is located the place ahead of heat dissipation fan 31, speed sensor 32 and internal power source electric connection, it holds the chamber to have seted up in axle protection circle 12, pressure sensor 33 installs in holding the intracavity, and pressure sensor 33 can dismantle with axle protection circle 12 and be connected, pressure sensor 33 and internal power source electric connection.
In this embodiment, a protector mounting seat 111 is disposed on the outer side wall of the protector housing 11, the protector housing 11 can be fixed by screws when the protector housing 11 is installed, due to the common metric screws, the disassembly and installation are convenient, and the installation stability and firmness assisting device 30 includes a heat dissipating fan 31, a speed sensor 32 and a pressure sensor 33, the heat dissipating fan 31 is sleeved on the outer side wall of the fan blade fixing ring 13, the speed sensor 32 is fixedly installed on the front surface of the protection end cover 21, the detection end of the speed sensor 32 is located in front of the heat dissipating fan 31, the pressure sensor 33 is installed in the accommodating cavity, and the pressure sensor 33 is detachably connected with the shaft protection ring 12, and by the pressure sensor 33 uniformly installed in the shaft protection ring 12, whether the stress direction of the rotor in the rotation process deviates or not and whether the rotation center deviates or not can be detected, when one side is, make the rotor rotate the in-process rotation center skew easily, the load grow leads to the motor to generate heat, can in time detect out through pressure sensor 33, and set up speed sensor 32, the rotational speed of detectable rotor in the rotation process, judge the behavior of motor, and installed heat dissipation fan 31, can rotate with the electric motor rotor together, can solve the bad condition of heat dissipation of original motor end cover department, wherein pressure sensor 33's model is SBT6, speed sensor 32's model is WHT 003.
Further, a protector mounting seat 111 is arranged on the outer side wall of the protector shell 11, and the protector shell 11 is fixed with the protection end cover 21 through the protector mounting seat 111 in a threaded manner.
In this embodiment, be equipped with protector mount pad 111 on the lateral wall of protector casing 11, protector casing 11 passes through protector mount pad 111 and is fixed with 21 spiro unions of protection end cover, and through setting up protector mount pad 111, at installation protector casing 11, usable screw is fixed protector casing 11, because general metric system screw, convenient dismantlement and installation, and the installation is stable firm.
Furthermore, a key groove is formed in the inner side wall of the shaft protection ring 12, the shaft protection ring 12 is sleeved on the motor rotor shaft, and the shaft protection ring 12 is connected with the shaft through a key.
In this embodiment, the key groove has been seted up on the inside wall of axle guard circle 12, and axle guard circle 12 cover is established on the electric motor rotor axle, and axle guard circle 12 passes through the key-type connection with the axle, can make axle guard circle 12 and electric motor rotor pass through key interference fit, fixes, can make the rotor drive heat dissipation fan 31 rotate, dispels the heat to end cover department.
Further, the inside of the shaft protection ring 12 is provided with a sensor mounting frame 331, the sensor mounting frame 331 is annular, the number of the pressure sensors 33 is six, and the six pressure sensors are uniformly mounted on the sensor mounting frame 331 in a regular hexagon shape.
In this embodiment, the inside of axle guard circle 12 is equipped with sensor mounting bracket 331, sensor mounting bracket 331 is the annular, pressure sensor 33 is six in quantity, and be regular hexagon and evenly install on sensor mounting bracket 331, through the inside evenly installed pressure sensor 33 at axle guard circle 12, whether the detectable rotor squints at the direction of force of rotating the in-process, whether the center of rotation squints, it is more to work as one side atress, make the rotor rotate the in-process center of rotation squint easily, the load grow, can in time detect out.
Further, an end cover mounting seat 211 is arranged on the outer side wall of the protection end cover 21, and the protection end cover 21 and the motor housing are fixed through the end cover mounting seat 211 in a threaded connection mode.
In this embodiment, be equipped with end cover mount pad 211 on the lateral wall of protection end cover 21, protection end cover 21 passes through end cover mount pad 211 spiro union with motor housing and fixes, and is fixed through the spiro union, uses metric system bolt, convenient dismantlement and installation.
Further, a filter screen 311 is fixedly installed on the surface of the protector case 11 between the heat radiation fan 31 and the speed sensor 32.
In this embodiment, the protector casing 11 is located still fixed mounting have filter screen 311 between heat dissipation fan 31 and the speed sensor 32 on the surface, through installation filter screen 311, can rotate the in-process at heat dissipation fan 31 and filter the dust, avoids the dust to enter into the motor inside, causes the motor to rotate and is obstructed, influences the condition of using.
The working principle and the using process of the invention are as follows: after the invention is installed, the protective end cover 21 and the motor shell are fixed by the end cover mounting seat 211 in a screw joint way, and a metric bolt is used, so that the disassembly and the installation are convenient, when the protector shell 11 is installed, the protector installation base 111 is fixed with the protection end cover 21 in a threaded manner, so that the disassembly and the installation are convenient, the installation is stable and firm, the pressure sensors 33 uniformly arranged in the shaft protection ring 12 can detect whether the stress direction of the rotor deviates in the rotating process and whether the rotating center deviates, when one side is stressed more, the rotation center is easy to deviate in the rotation process of the rotor, the load is increased, the motor is heated, the pressure sensor 33 can detect the heat in time, the speed sensor 32 is arranged, the rotating speed of the rotor in the rotating process can be detected to judge the running condition of the motor, and the heat dissipation fan 31 is arranged, can rotate together with the motor rotor, can solve the bad condition of heat dissipation of original motor end cover department.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a motor protector convenient to installation which characterized in that: including protection device (10), installation device (20) and auxiliary device (30), protection device (10) are by protector casing (11), axle guard circle (12) and fixed mounting be in flabellum retainer plate (13) on axle guard circle (12) lateral wall are constituteed, protector casing (11) are ring shape, axle guard circle (12) are located the inboard of protector casing (11), just axle guard circle (12) with protector casing (11) rotate to be connected, axle guard circle (12) with be equipped with bearing between protector casing (11), installation device (20) are including protection end cover (21) and supporter (22), protection end cover (21) are discoid, mounting groove (23) have been seted up to the inboard of protection end cover (21), protector casing (11) install in mounting groove (23), just protector casing (11) with protection end cover (21) fixed connection, supporter (22) are located on the inside wall of protection end cover (21), and with protection end cover (21) welded fastening, auxiliary device (30) are including heat dissipation fan (31), speedtransmitter (32) and pressure sensor (33), heat dissipation fan (31) cover is established on the lateral wall of flabellum retainer plate (13), and with flabellum retainer plate (13) fixed connection, speedtransmitter (32) fixed mounting in the front surface of protection end cover (21), just the sense terminal of speedtransmitter (32) is located the place ahead of heat dissipation fan (31), speedtransmitter (32) and internal power source electric connection, set up the appearance chamber in axle protector ring (12), pressure sensor (33) are installed in the appearance chamber, just pressure sensor (33) with axle guard circle (12) can be dismantled and be connected, pressure sensor (33) and internal power source electric connection, the inside of axle guard circle (12) is equipped with sensor mounting bracket (331), sensor mounting bracket (331) are the annular, pressure sensor (33) quantity is six, and is regular hexagon and evenly installs on sensor mounting bracket (331).
2. A mountable motor protector according to claim 1 in which: the outer side wall of the protector shell (11) is provided with a protector mounting seat (111), and the protector shell (11) is fixed with the protection end cover (21) in a threaded mode through the protector mounting seat (111).
3. A mountable motor protector according to claim 1 in which: the shaft protection ring is characterized in that a key groove is formed in the inner side wall of the shaft protection ring (12), the shaft protection ring (12) is sleeved on a motor rotor shaft, and the shaft protection ring (12) is in key connection with the shaft.
4. A mountable motor protector according to claim 1 in which: the outer side wall of the protective end cover (21) is provided with an end cover mounting seat (211), and the protective end cover (21) and the motor shell are fixed through the end cover mounting seat (211) in a threaded mode.
5. A mountable motor protector according to claim 1 in which: and a filter screen (311) is fixedly arranged between the heat dissipation fan (31) and the speed sensor (32) on the surface of the protector shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810827447.4A CN109038961B (en) | 2018-07-25 | 2018-07-25 | Motor protector convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810827447.4A CN109038961B (en) | 2018-07-25 | 2018-07-25 | Motor protector convenient to install |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109038961A CN109038961A (en) | 2018-12-18 |
| CN109038961B true CN109038961B (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810827447.4A Active CN109038961B (en) | 2018-07-25 | 2018-07-25 | Motor protector convenient to install |
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| Country | Link |
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| CN (1) | CN109038961B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019208637A1 (en) * | 2019-06-13 | 2020-12-17 | Ziehl-Abegg Se | Method for determining a state of an electric motor and corresponding electric motor and fan |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598621B (en) * | 2009-06-30 | 2011-06-01 | 上海电气电站设备有限公司 | Method for improving shaft vibration of magnetizing exciter rotor |
| CN102095548B (en) * | 2010-12-03 | 2012-11-28 | 西安交通大学 | All-around lubricating film pressure wireless monitoring method of liquid sliding bearing |
| CN205388095U (en) * | 2016-03-04 | 2016-07-20 | 至玥腾风科技投资有限公司 | Electromagnetism makes active dynamic pressure gas bearing of ability |
| CN207382140U (en) * | 2017-11-17 | 2018-05-18 | 新乡职业技术学院 | A kind of electromechanics monitoring device |
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| Publication number | Publication date |
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| CN109038961A (en) | 2018-12-18 |
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