CN212572283U - Frequency-conversion speed-regulation three-phase asynchronous motor - Google Patents
Frequency-conversion speed-regulation three-phase asynchronous motor Download PDFInfo
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- CN212572283U CN212572283U CN202021719800.6U CN202021719800U CN212572283U CN 212572283 U CN212572283 U CN 212572283U CN 202021719800 U CN202021719800 U CN 202021719800U CN 212572283 U CN212572283 U CN 212572283U
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Abstract
The utility model relates to a three-phase asynchronous motor's technical field especially relates to a variable frequency speed governing three-phase asynchronous motor, can reduce the noise that the motor produced, reduces the influence of motor vibrations to the base, has improved stability and practicality. Including motor body, the terminal box, the apparatus further comprises a rotating shaft, the heat dissipation fan, the protection casing, the multiunit shock attenuation board, multiunit damping spring, the multiunit reference column, the multiunit locating piece, mounting panel and base, the mounting panel includes first amortization layer, upper junction plate and lower connecting plate, the top of upper junction plate is connected with motor body's bottom, the bottom of upper junction plate is connected with the top on first amortization layer, the bottom on first amortization layer is connected with the top of lower connecting plate, the bottom of lower connecting plate is connected with the top of multiunit shock attenuation board, the bottom of multiunit shock attenuation board is connected with multiunit damping spring's top respectively, be provided with the shock attenuation chamber in the base, the bottom of multiunit damping spring.
Description
Technical Field
The utility model relates to a three-phase asynchronous motor's technical field especially relates to a variable frequency speed governing three-phase asynchronous motor.
Background
The motor is a device for converting electric energy into mechanical energy, it utilizes the energizing coil to produce rotating magnetic field and act on the rotor to form magnetoelectric power rotating torque, and the motor is divided into DC motor and AC motor according to the difference of power supply, the most of the motor in the power system is AC motor, and can be synchronous motor or asynchronous motor, and the motor mainly is formed from stator and rotor, and the direction of forced movement of energizing conductor in the magnetic field is related to current direction and magnetic induction line direction, and the motor working principle is that the magnetic field is acted on the current to make the motor rotate, and the frequency-changing speed-regulating three-phase asynchronous motor belongs to one kind of AC motor, and it has the advantages of simple structure, low cost and reliable operation, etc., and can be extensively used in some general mechanical equipment, and the existent motor can produce noise in the course of use, and the motor can produce vibration in the course of operation, the vibration can loosen the base of the motor, generate larger noise and even cause the base to fall off, thereby influencing the normal use of the motor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a can reduce the noise that the motor produced, reduce the influence of motor vibrations to the base, improved the variable frequency speed governing three-phase asynchronous motor of stability and practicality.
In order to achieve the above object, the utility model provides a following technical scheme: a frequency conversion speed regulation three-phase asynchronous motor comprises a motor body, a junction box, a rotating shaft, a heat dissipation fan and a protective cover, wherein the rear end of the junction box is connected with the front end of the motor body; still include the multiunit shock attenuation board, multiunit damping spring, the multiunit reference column, the multiunit locating piece, mounting panel and base, the mounting panel includes first amortization layer, upper junction plate and lower connecting plate, the top of upper junction plate is connected with motor body's bottom, the bottom of upper junction plate is connected with the top of first amortization layer, the bottom of first amortization layer is connected with the top of lower connecting plate, the bottom of lower connecting plate is connected with the top of multiunit shock attenuation board, the bottom of multiunit shock attenuation board is connected with the top of multiunit damping spring respectively, be provided with the shock attenuation chamber in the base, the bottom of multiunit damping spring is connected with the lower wall in shock attenuation chamber respectively, the top of multiunit reference column is connected with the marginal area of the bottom of lower connecting plate respectively, the bottom that the base was passed respectively to.
Preferably, the motor further comprises a plurality of groups of connecting screws, the front end of the motor body is provided with a connecting seat, the edge area of the front end of the connecting seat is provided with a plurality of groups of screw holes, the front end of the connecting seat is connected with the rear end of the junction box, the rear part of the junction box is provided with a positioning plate, and the plurality of groups of connecting screws respectively penetrate through the positioning plate and are screwed with the plurality of groups of screw holes.
Preferably, a sealing gasket is arranged at the joint of the positioning plate and the connecting seat.
Preferably, still include multiunit upper sleeve and multiunit lower sleeve, multiunit lower sleeve's bottom all is connected with the lower wall in shock attenuation chamber, the upper portion of multiunit lower sleeve respectively with the telescopic lower part suit in multiunit, the multiunit upper sleeve respectively with multiunit damping spring suit, the telescopic top in multiunit is connected with the bottom of multiunit shock attenuation board respectively.
Preferably, the bottom of the sleeve all is provided with the wear pad on the multiunit.
Preferably, the inner wall of the damping cavity is provided with a second sound absorption layer.
Preferably, the edge position of the upper connecting plate is provided with a baffle, and the height of the inner side of the baffle is higher than that of the outer side of the baffle.
Preferably, the bottom of base is provided with the multiunit stabilizer blade, and the lower part of multiunit stabilizer blade all is provided with the fixed plate, and the multiunit fixed plate all is provided with the fixed orifices.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model discloses the motor produces vibrations and noise at the operation in-process, first amortization layer can absorb the noise and weaken, thereby reduce the noise that the motor produced, reference column and locating piece are fixed a position mounting panel and base, the vibrations that the motor produced transmit the shock attenuation board through upper junction plate and lower connecting plate, transmit damping spring through the shock attenuation board, damping spring absorbs the vibrations and reduces, then transmit the base, the influence of vibrations to the base has been reduced, the possibility that the base drops has been reduced, the noise that the base vibrations produced has also been reduced, the noise that can reduce the motor and produce has been realized, reduce the influence of motor vibrations to the base, stability and practicality have been improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic view of the present invention at a position a in fig. 2;
fig. 4 is a schematic top view of the cross-sectional structure of the present invention.
The symbols in the figures indicate:
1. a motor body; 2. a junction box; 3. a rotating shaft; 4. a heat dissipation fan; 5. a protective cover; 6. a damper plate; 7. a damping spring; 8. a positioning column; 9. positioning blocks; 10. a base; 11. a first sound-deadening layer; 12. an upper connecting plate; 13. a lower connecting plate; 14. a connecting screw; 15. a connecting seat; 16. positioning a plate; 17. a gasket; 18. an upper sleeve; 19. a lower sleeve; 20. a wear pad; 21. a second sound absorbing layer; 22. a baffle plate; 23. a support leg; 24. and (7) fixing the plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The terms used in the utility model are conventional terms in the industry if no special provisions are made.
Referring to fig. 1-4, the utility model discloses a motor body 1, terminal box 2, pivot 3, heat dissipation fan 4 and protection casing 5, the rear end of terminal box 2 is connected with motor body 1's front end, and motor body 1 is passed to the left end of pivot 3 and the right-hand member of heat dissipation fan 4 is connected, and the right-hand member of protection casing 5 is connected with motor body 1's left end, and protection casing 5 and heat dissipation fan 4 suit. The utility model also comprises a plurality of groups of damping plates 6, a plurality of groups of damping springs 7, a plurality of groups of positioning columns 8, a plurality of groups of positioning blocks 9, a mounting plate and a base 10, wherein the mounting plate comprises a first silencing layer 11, an upper connecting plate 12 and a lower connecting plate 13, and the top end of the upper connecting plate 12 is connected with the bottom end of the motor body 1; the bottom of upper junction plate 12 is connected with the top of first amortization layer 11, and the bottom of first amortization layer 11 is connected with the top of lower connecting plate 13, and the bottom of lower connecting plate 13 is connected with the top of multiunit damping plate 6, and the bottom of multiunit damping plate 6 is connected with the top of multiunit damping spring 7 respectively.
Be provided with the shock attenuation chamber in the base 10, the bottom of multiunit damping spring 7 respectively with the lower wall connection of shock attenuation chamber, the top of multiunit reference column 8 is connected with the marginal area of the bottom of lower junction plate 13 respectively, the bottom of multiunit reference column 8 passes the bottom of base 10 respectively and is connected with the top of multiunit locating piece 9. The first noise elimination layer 11 can absorb and weaken the noise so as to reduce the noise generated by the motor; reference column 8 and locating piece 9 are fixed a position mounting panel and base 10, the vibrations that the motor produced transmit damping plate 6 through upper junction plate 12 and lower junction plate 13, transmit damping spring 7 through damping plate 6, damping spring 7 absorbs the vibrations and reduces, then transmit base 10, the influence of vibrations to base 10 has been reduced, the possibility that base 10 drops has been reduced, the noise that base 10 vibrations produced has also been reduced, the noise that can reduce the motor and produce has been realized, reduce the influence of motor vibrations to base 10, stability and practicality have been improved.
Referring to fig. 4, the present invention further includes a plurality of sets of connection screws 14, the front end of the motor body 1 is provided with a connection seat 15, the edge region of the front end of the connection seat 15 is provided with a plurality of sets of screw holes, the front end of the connection seat 15 is connected with the rear end of the junction box 2, the rear portion of the junction box 2 is provided with a positioning plate 16, and the plurality of sets of connection screws 14 pass through the positioning plate 16 and the plurality of sets of screw holes respectively. The user can be through connecting screw 14 with terminal box 2 and connecting seat 15 fixed connection, has reduced the emergence of the condition that terminal box 2 drops, has strengthened the stability and the security of motor.
Referring to fig. 4, in the present invention, a sealing gasket 17 is disposed at a connection position between the positioning plate 16 and the connecting seat 15; the sealing gasket 17 can enhance the sealing performance of the junction box 2, prevent the normal operation of the motor from being influenced by water inflow of the junction box 2, enhance the safety of the motor and improve the working efficiency of the motor.
Referring to fig. 2, the present invention further includes a plurality of upper sleeves 18 and a plurality of lower sleeves 19, the bottom ends of the plurality of lower sleeves 19 are connected to the lower wall of the damping chamber, the upper portions of the plurality of lower sleeves 19 are respectively sleeved to the lower portions of the plurality of upper sleeves 18, the plurality of upper sleeves 18 are respectively sleeved to the plurality of damping springs 7, and the top ends of the plurality of upper sleeves 18 are respectively connected to the bottom ends of the plurality of damping plates 6. Go up sleeve 18 and lower sleeve 19 suit, go up sleeve 18 and lower sleeve 19 and all suit with damping spring 7, because the flexible in-process that vibrations produced at damping spring 7, drive sleeve 18 and slide along lower sleeve 19, can prevent that damping spring 7 from taking place the shock attenuation effect that the offset influences damping spring 7, has strengthened the stability of motor.
Referring to fig. 3, in the present invention, the bottom ends of the plurality of sets of upper sleeves 18 are provided with wear pads 20; in the vibration process of the motor body 1, the upper sleeve 18 is driven to vibrate up and down, the upper sleeve 18 collides with the lower wall of the damping cavity in the vibration process, the abrasion-resistant layer can reduce the collision strength, the upper sleeve 18 and the base 10 are protected, the safety of the motor is enhanced, and the service life of the motor is prolonged.
Referring to fig. 2, the inner wall of the damping chamber of the present invention is provided with a second sound absorbing layer 21, and the second sound absorbing layer 21 can reduce the noise generated in the damping chamber, reduce the noise of the motor, and enhance the environmental protection of the motor.
Referring to fig. 2, in the present invention, a baffle 22 is disposed at an edge of the upper connecting plate 12, and the height of the inner side of the baffle 22 is higher than that of the outer side; baffle 22 can shelter from the gap between the lateral wall of mounting panel and shock attenuation chamber, prevents that water or dust from getting into the shock attenuation chamber through the gap between the lateral wall of mounting panel and shock attenuation chamber, causes corruption or other influences to parts such as damping spring 7, and baffle 22 is the slope form of interior height outer low, can guide smooth flow down such as water, has strengthened the reliability and the security of motor, has prolonged the life of motor.
Referring to fig. 1, in the present invention, a plurality of support legs 23 are disposed at the bottom end of a base 10, fixing plates 24 are disposed at the lower portions of the plurality of support legs 23, and fixing holes are disposed in the plurality of fixing plates 24. The supporting legs 23 support the base 10, so that a user can fixedly mount the base 10 through the fixing plates 24 and the fixing holes, the occurrence of the falling-off condition of the base 10 is reduced, and the stability of the motor is enhanced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (8)
1. A variable-frequency speed-regulating three-phase asynchronous motor comprises a motor body (1), a junction box (2), a rotating shaft (3), a heat-radiating fan (4) and a protective cover (5), wherein the rear end of the junction box (2) is connected with the front end of the motor body (1), the left end of the rotating shaft (3) penetrates through the motor body (1) to be connected with the right end of the heat-radiating fan (4), the right end of the protective cover (5) is connected with the left end of the motor body (1), and the protective cover (5) is sleeved with the heat-radiating fan (4); the damping device is characterized by further comprising a plurality of groups of damping plates (6), a plurality of groups of damping springs (7), a plurality of groups of positioning columns (8), a plurality of groups of positioning blocks (9), a mounting plate and a base (10), wherein the mounting plate comprises a first silencing layer (11), an upper connecting plate (12) and a lower connecting plate (13), the top end of the upper connecting plate (12) is connected with the bottom end of the motor body (1), the bottom end of the upper connecting plate (12) is connected with the top end of the first silencing layer (11), the bottom end of the first silencing layer (11) is connected with the top end of the lower connecting plate (13), the bottom end of the lower connecting plate (13) is connected with the top ends of the plurality of groups of damping plates (6), the bottom ends of the plurality of groups of damping plates (6) are respectively connected with the top ends of the plurality of groups of damping springs (7), a damping cavity is arranged in the base (10), and the bottom ends of the plurality of groups of, the top ends of the positioning columns (8) are respectively connected with the edge area of the bottom end of the lower connecting plate (13), and the bottom ends of the positioning columns (8) penetrate through the bottom end of the base (10) and are connected with the top ends of the positioning blocks (9).
2. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, further comprising a plurality of groups of connecting screws (14), wherein a connecting seat (15) is arranged at the front end of the motor body (1), a plurality of groups of screw holes are arranged in the edge area of the front end of the connecting seat (15), the front end of the connecting seat (15) is connected with the rear end of the junction box (2), a positioning plate (16) is arranged at the rear part of the junction box (2), and the plurality of groups of connecting screws (14) respectively penetrate through the positioning plate (16) and are screwed with the plurality of groups of screw holes.
3. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 2, wherein a sealing gasket (17) is arranged at the joint of the positioning plate (16) and the connecting seat (15).
4. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 3, further comprising a plurality of groups of upper sleeves (18) and a plurality of groups of lower sleeves (19), wherein the bottom ends of the plurality of groups of lower sleeves (19) are all connected with the lower wall of the damping cavity, the upper parts of the plurality of groups of lower sleeves (19) are respectively sleeved with the lower parts of the plurality of groups of upper sleeves (18), the plurality of groups of upper sleeves (18) are respectively sleeved with the plurality of groups of damping springs (7), and the top ends of the plurality of groups of upper sleeves (18) are respectively connected with the bottom ends of the plurality of groups of damping plates (6).
5. A variable-frequency variable-speed three-phase asynchronous motor according to claim 4, characterized in that the bottom ends of the groups of upper sleeves (18) are provided with wear pads (20).
6. A variable-frequency speed-regulating three-phase asynchronous motor according to claim 5, characterized in that the inner wall of the damping cavity is provided with a second sound-absorbing layer (21).
7. A variable-frequency speed-regulating three-phase asynchronous motor according to claim 6, characterized in that the edge position of the upper connecting plate (12) is provided with a baffle (22), and the height of the inner side of the baffle (22) is higher than that of the outer side.
8. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 7, wherein a plurality of groups of support legs (23) are arranged at the bottom end of the base (10), fixing plates (24) are arranged at the lower parts of the groups of support legs (23), and fixing holes are arranged in the groups of fixing plates (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021719800.6U CN212572283U (en) | 2020-08-17 | 2020-08-17 | Frequency-conversion speed-regulation three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021719800.6U CN212572283U (en) | 2020-08-17 | 2020-08-17 | Frequency-conversion speed-regulation three-phase asynchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN212572283U true CN212572283U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021719800.6U Active CN212572283U (en) | 2020-08-17 | 2020-08-17 | Frequency-conversion speed-regulation three-phase asynchronous motor |
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| Country | Link |
|---|---|
| CN (1) | CN212572283U (en) |
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- 2020-08-17 CN CN202021719800.6U patent/CN212572283U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Frequency conversion speed regulating three-phase asynchronous motor Effective date of registration: 20211125 Granted publication date: 20210219 Pledgee: Industrial and Commercial Bank of China Limited Rongcheng sub branch Pledgor: Weihai Shenli Motor Co.,Ltd. Registration number: Y2021980013313 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |