CN217956858U

CN217956858U - Energy-saving variable-frequency speed-regulating three-phase motor

Info

Publication number: CN217956858U
Application number: CN202222311102.8U
Authority: CN
Inventors: 陈金鸿; 张艳伟; 黄瑞
Original assignee: Zhaoqing Zhaoda Electric Co ltd
Current assignee: Zhaoqing Zhaoda Electric Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-12-02
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses an energy-saving Variable Frequency Speed Governing (VFSG) three-phase motor, including casing and three-phase motor body, two spouts, two have been seted up in the casing respectively swing joint have first solid fixed ring and the solid fixed ring of second in the spout, the first solid fixed ring and the solid fixed ring's of second equal fixedly connected with a plurality of springs in the outside, and the spring is fixed mutually with the spout, one side fixedly connected with sleeve of first solid fixed ring, three-phase motor body fixed connection is in the sleeve, a plurality of dead levers of one side fixedly connected with of first solid fixed ring. The utility model discloses not only can avoid three-phase motor body to bump, cause the damage to three-phase motor body, improve the protection effect to three-phase motor, can reduce the noise of three-phase motor body during operation moreover, improve three-phase motor's noise reduction, can also avoid when installing too hard to cause the damage to the device inside rather than being connected, reduced the worry when staff's installation.

Description

Energy-saving variable-frequency speed-regulation three-phase motor

Technical Field

The utility model relates to a three phase machine technical field especially relates to an energy-saving frequency conversion speed governing three phase machine.

Background

The three-phase motor is characterized in that when three-phase stator windings (each phase difference is 120 degrees in electrical angle) of the motor are fed with three-phase alternating current, a rotating magnetic field is generated and cuts the rotor windings, so that induced current is generated in the rotor windings (the rotor windings are closed paths), and the variable-frequency speed-regulating motor is a general name of a motor driven by a frequency converter.

At present, the variable frequency speed regulation three-phase motor realizes the energy saving of the motor by radiating heat generated by the motor and reducing the resistance of the motor, but when the variable frequency speed regulation three-phase motor works, the rotating speed of a rotor is not fixed, the rotating speed is not fast under certain conditions, the heat radiation effect is poor, the resistance of an internal circuit of the motor is large, the energy is not saved enough, and the impact force generated by the rotation of the motor body causes the motor body to collide with other displacement, so that the vibration of the motor body is caused, and the damage to the motor is caused, therefore, the energy-saving variable frequency speed regulation three-phase motor is very necessary.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing an energy-saving variable-frequency speed-regulating three-phase motor.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides an energy-saving variable frequency speed-changing three-phase motor, includes casing and three-phase motor body, two spouts have been seted up in the casing, two first solid fixed ring of swing joint and the solid fixed ring of second in the spout respectively, the solid fixed ring's of the equal fixedly connected with a plurality of springs in the outside of first solid fixed ring and the solid fixed ring of second, and the spring is fixed mutually with the spout, one side fixedly connected with sleeve of first solid fixed ring, three-phase motor body fixed connection is in the sleeve, a plurality of dead levers of one side fixedly connected with of first solid fixed ring, the outside swing joint of dead lever have two atress framves, and the both ends of atress frame contact with casing and sleeve respectively, one side fixedly connected with fixed block of atress frame, two round guide bar of fixedly connected with between the fixed block, the extension spring has been cup jointed in the outside of round guide bar, and the both ends of extension spring are fixed with two fixed blocks respectively, two louvres have been seted up in the outside of casing.

As the utility model discloses further scheme again, the bearing has been cup jointed in the outside of three-phase motor body output shaft, and the solid fixed ring joint of bearing and second.

As the utility model discloses further scheme again, the outside of casing is equipped with wear-resistant coating, and wear-resistant coating evenly distributed.

As a further proposal of the utility model, the shell is internally and fixedly connected with sound insulation sponge.

As a further proposal, the outside of the casing is fixedly connected with a mounting plate.

As the utility model discloses scheme further again, the last fixed surface of mounting panel is connected with a plurality of fixed muscle, and fixed muscle is fixed with the casing.

As the utility model discloses further scheme again, a plurality of mounting holes have been seted up to the upper surface of mounting panel, and mounting hole evenly distributed.

As the utility model discloses further scheme again, the bottom fixedly connected with rubber pad of mounting panel, and the rubber pad is isometric with the mounting panel.

The utility model has the advantages that:

1. through first solid fixed ring, the cooperation of the solid fixed ring of second and atress frame is used, at three-phase motor body pivoted work's in-process, three-phase motor body can extrude the hot-air in the casing, extrude the hot-air through the louvre, the radiating effect of three-phase motor body has been strengthened, the resistance of three-phase motor body has further been reduced, the energy-conserving effect of three-phase motor body has been improved, the effort that three-phase motor body produced can make first solid fixed ring and the solid fixed ring extrusion spring of second, reduce the effort that three-phase motor body produced, still can promote the atress frame simultaneously and rotate, the effort that three-phase motor body produced is offset to the effort that produces through the extension spring once more, avoid three-phase motor body to collide, cause the damage to three-phase motor body, the protecting effect to three-phase motor has been improved.

2. Through the setting of the sponge that gives sound insulation, the sponge that gives sound insulation has unique comprehensive properties such as inhale sound, thermal-insulated, fire-retardant, high temperature resistant, absorb water, matter are light, carries out the during operation at three-phase motor body, and the sponge that gives sound insulation can absorb the noise that sends of three-phase motor body to this reduces the noise of three-phase motor body during operation, has improved three-phase motor's noise reduction effect.

3. Through the setting of rubber pad, pass through the mounting hole with three-phase motor body and fix the back, the rubber pad can reduce the effort that produces rather than the device of being connected when three-phase motor body installs, and too violently causes the damage rather than the device of being connected inside when avoiding installing, has reduced the worry when the staff installs.

Drawings

Fig. 1 is a schematic perspective view of an energy-saving variable-frequency speed-regulating three-phase motor according to the present invention;

fig. 2 is a schematic cross-sectional structural diagram of a casing of an energy-saving variable-frequency speed-regulating three-phase motor according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a part a of an energy-saving variable-frequency speed-regulating three-phase motor according to the present invention;

fig. 4 is a schematic diagram of a part B of an energy-saving variable-frequency speed-regulating three-phase motor according to the present invention.

In the figure: 1. a housing; 2. a wear-resistant coating; 3. a three-phase motor body; 4. mounting holes; 5. fixing the ribs; 6. a rubber pad; 7. mounting a plate; 8. sound insulation sponge; 9. a first retaining ring; 10. a sleeve; 11. a bearing; 12. a second retaining ring; 13. a tension spring; 14. a stress frame; 15. a circular guide bar; 16. a fixed block; 17. a spring; 18. a chute; 19. and (4) heat dissipation holes.

Detailed Description

In the following, the technical solution in the embodiment of the present invention will be clearly and completely described with reference to the drawings in the embodiment of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an energy-saving variable-frequency speed-regulating three-phase motor comprises a shell 1 and a three-phase motor body 3, two sliding grooves 18 are formed in the shell 1, a first fixing ring 9 and a second fixing ring 12 are respectively connected in the two sliding grooves 18 in a sliding manner, a plurality of springs 17 are welded on the outer sides of the first fixing ring 9 and the second fixing ring 12, the springs 17 are fixed with the sliding grooves 18, a sleeve 10 is welded on one side of the first fixing ring 9, the three-phase motor body 3 is fixed in the sleeve 10 through bolts, a plurality of fixing rods are welded on one side of the first fixing ring 9, two stress frames 14 are rotatably connected on the outer sides of the fixing rods, two ends of each stress frame 14 are respectively contacted with the shell 1 and the sleeve 10, a fixing block 16 is welded on one side of each stress frame 14, a circular guide rod 15 is fixed between the two fixing blocks 16 through bolts, and a tension spring 13 is sleeved on the outer side of the circular guide rod 15, two ends of the tension spring 13 are respectively fixed with the two fixing blocks 16, two heat dissipation holes 19 are formed in the outer side of the shell 1, when the three-phase motor body 3 works, impact force can be generated by the three-phase motor body 3, at the moment, the three-phase motor body 3 can drive the first fixing ring 9 and the second fixing ring 12 to move, the first fixing ring 9 and the second fixing ring 12 can extrude the spring 17 and stretch the spring 17 on the other side in the process of moving towards one side, the acting force generated by the spring 17 is counteracted with the impact force generated by the three-phase motor body 3, meanwhile, the three-phase motor body 3 can drive the sleeve 10 to move, the two stress frames 14 can be pushed to rotate in the process of moving towards one side by the sleeve 10, the stress frames 14 drive the fixing blocks 16 to move, when the fixing blocks 16 stretch the tension spring 13, so that the acting force generated by the tension spring 13 is counteracted with the impact force generated by the three-phase motor body 3 again, avoid three-phase motor body 3 to bump, cause the damage to three-phase motor body 3, improved the protection effect to three-phase motor.

The utility model discloses in, bearing 11 has been cup jointed in the outside of 3 output shafts of three-phase motor body, and bearing 11 and the solid fixed ring 12 joint of second, the outside of casing 1 is equipped with wear-resistant coating 2, and wear-resistant coating 2 evenly distributed, it has sound insulation sponge 8 to bond in the casing 1, sound insulation sponge 8 has unique sound of inhaling, thermal-insulated, fire-retardant, high temperature resistant, absorb water, comprehensive properties such as matter is light, when three-phase motor body 3 carries out the during operation, sound insulation sponge 8 can absorb the noise that sends of three-phase motor body 3, reduce the noise of three-phase motor body 3 during operation with this, there is mounting panel 7 in the outside of casing 1 through the bolt fastening, the last skin weld of mounting panel 7 has a plurality of fixed muscle 5, and fixed muscle 5 is fixed with casing 1, a plurality of mounting holes 4 have been seted up to the upper surface of mounting panel 7, and mounting hole 4 evenly distributed, the bottom of mounting panel 7 bonds there is rubber pad 6, and the isometric mounting panel 7 is isometric, three-phase motor body 3 passes through mounting hole 4 after fixing, rubber pad 6 can reduce the effort to the device that three-phase motor body 3 produces when installing, avoid too hard to be connected its internal damage device.

The working principle is as follows: when using three-phase motor body 3 to carry out the during operation, three-phase motor body 3 can produce the impact force, this moment three-phase motor body 3 can extrude the hot-air in casing 1, extrude the hot-air through louvre 19, three-phase motor body 3's radiating effect has been strengthened, three-phase motor body 3's resistance has further been reduced, three-phase motor body 3's energy-conserving effect has been improved, three-phase motor body 3 can drive first solid fixed ring 9 and the solid fixed ring 12 of second removal of drive simultaneously, first solid fixed ring 9 and the solid fixed ring 12 of second can extrude spring 17 and stretch the spring 17 of opposite side at the in-process that removes to one side, the effort that produces through spring 17 offsets with the impact force that three-phase motor body 3 produced, three-phase motor body 3 can drive sleeve 10 and remove simultaneously, sleeve 10 can promote two atress framves 14 to rotate to the in-process that one side removed, atress framves 14 drives fixed block 16 and removes, time fixed block 16 stretches extension spring 13, thereby the effort that makes extension spring 13 produce offsets with the impact force that three-phase motor body 3 produced once more, avoid three-phase motor body 3 to take place to cause the emergence, damage, the protection motor effect of three-phase motor body 3 collision has been improved.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Claims

1. The utility model provides an energy-saving variable-frequency speed-regulation three-phase motor, includes casing (1) and three-phase motor body (3), its characterized in that, two spout (18) have been seted up in casing (1), two first solid fixed ring (9) and the solid fixed ring of second (12) of swing joint respectively in spout (18), the equal fixedly connected with a plurality of springs (17) in the outside of the solid fixed ring of first (9) and second (12), and spring (17) are fixed mutually with spout (18), one side fixedly connected with sleeve (10) of first solid fixed ring (9), three-phase motor body (3) fixed connection is in sleeve (10), a plurality of dead levers of one side fixedly connected with of first solid fixed ring (9), the outside swing joint of dead lever has two atress framves (14), and the both ends of atress framves (14) contact with casing (1) and sleeve (10) respectively, one side fixedly connected with (16) of atress framves (14), two fixedly connected with round guide bar (15) between two, the outside of round guide bar (15) cup joint has just two fixed blocks (13) and the both ends of fixed block (13) have seted up respectively with two extension springs (13) outside extension spring (13).

2. The energy-saving frequency-variable speed-variable three-phase motor according to claim 1, wherein a bearing (11) is sleeved outside an output shaft of the three-phase motor body (3), and the bearing (11) is clamped with the second fixing ring (12).

3. An energy-saving variable-frequency speed-regulating three-phase motor according to claim 1, characterized in that the outer side of the casing (1) is provided with the wear-resistant coating (2), and the wear-resistant coating (2) is uniformly distributed.

4. An energy-saving variable-frequency speed-regulating three-phase motor according to claim 1, wherein a sound-insulating sponge (8) is fixedly connected in the shell (1).

5. An energy-saving variable-frequency speed-regulating three-phase motor according to claim 1, characterized in that a mounting plate (7) is fixedly connected to the outer side of the housing (1).

6. An energy-saving variable-frequency speed-regulating three-phase motor according to claim 5, wherein a plurality of fixing ribs (5) are fixedly connected to the upper surface of the mounting plate (7), and the fixing ribs (5) are fixed with the shell (1).

7. The energy-saving variable-frequency speed-regulating three-phase motor according to claim 6, wherein a plurality of mounting holes (4) are formed in the upper surface of the mounting plate (7), and the mounting holes (4) are uniformly distributed.

8. The energy-saving frequency-variable and speed-variable three-phase motor according to claim 7, wherein a rubber pad (6) is fixedly connected to the bottom of the mounting plate (7), and the rubber pad (6) has the same length as the mounting plate (7).