CN210839287U

CN210839287U - Rotor structure of frequency-conversion speed-regulation three-phase asynchronous motor

Info

Publication number: CN210839287U
Application number: CN201922345623.3U
Authority: CN
Inventors: 宁同珩; 夏金阳; 宋作梅
Original assignee: Rongcheng Huayu Motor Co ltd
Current assignee: Rongcheng Huayu Motor Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-06-23
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to the technical field of electric machines, and a variable frequency speed governing three-phase asynchronous motor rotor structure is disclosed, including the go-between, go-between surface fixedly connected with wire winding, the winding of wire winding side surface has the copper wire, go-between inner wall fixedly connected with has been born, bear inner wall fixedly connected with axostylus axostyle, the draw-in groove has been seted up in axostylus axostyle surface left side, the fixed slot has been seted up on axostylus axostyle surface right side, fixing bearing has been cup jointed on axostylus axostyle surface right. This Variable Frequency Speed Governing (VFSG) three-phase asynchronous motor rotor structure through setting up six prismatic shafts and six prismatic shafts in six prismatic shaft inside swing joint, makes six prismatic shafts can cross left and right sides activity, changes six prismatic shafts under the effect of regulating power pole and makes the connected mode of second gear wheel and second pinion and first gear wheel and first pinion realize the variable speed, and its inner structure is simple, has reached the effect of the maintenance of being convenient for.

Description

Rotor structure of frequency-conversion speed-regulation three-phase asynchronous motor

Technical Field

The utility model relates to the technical field of electric machines, specifically be a variable frequency speed governing three-phase asynchronous motor rotor structure.

Background

The existing rotor structure is mostly in fixed number rotation, but in many processes, high-speed and low-speed switching is required according to different conditions, the switching rotating speed is achieved by changing the tooth difference of a transmission gear and a meshing gear, a gearbox is additionally arranged on a rotating shaft of the rotor for achieving the speed change effect, but the gearbox is complex in structure and difficult to maintain, and the purpose is achieved by the speed regulation rotor structure convenient to maintain.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a variable frequency speed governing three-phase asynchronous motor rotor structure possesses the maintenance of being convenient for and waits advantage, has solved current device and has realized the problem that the variable speed maintenance got up very trouble through plus gearbox.

In order to achieve the above object, the utility model provides a following technical scheme: a rotor structure of a variable-frequency speed-regulating three-phase asynchronous motor comprises a connecting ring, wherein a wire coil is fixedly connected to the outer surface of the connecting ring, copper conducting wires are wound on the side surface of the wire coil, a rotating bearing is fixedly connected to the inner wall of the connecting ring, a shaft lever is fixedly connected to the inner wall of the rotating bearing, a clamping groove is formed in the left side of the outer surface of the shaft lever, a fixing groove is formed in the right side of the outer surface of the shaft lever, a fixing bearing is sleeved on the right side of the outer surface of the shaft lever, a first pinion is fixedly connected to the right side of the outer surface of the shaft lever, a second gearwheel is meshed with the outer surface of the first pinion, a hexagonal shaft is fixedly connected to the right side of the second gearwheel, a second pinion is fixedly connected to the outer surface of the hexagonal, pull rod fixed axle surface swing joint has horizontal pull rod, fixed spout has been seted up to six arris axle inner walls, six arris axles in the inside swing joint of six arris axles, the standing groove has been seted up on interior six arris axle top right sides, crescent moon groove has all been seted up to both sides about the standing groove, the inside swing joint of standing groove has the power pole, both sides have all been seted up around the power pole and have been scratched the groove, interior six arris axle surface fixed connection have solid fixed sliding blocks.

Preferably, the number of the windings is six, and the copper wire is one and uniformly wound on the side surface of the windings.

Preferably, the right end of the swivel bearing penetrates through the left side of the connecting ring and extends to the right side of the connecting ring, and the right end of the shaft rod penetrates through the left end of the swivel bearing and extends to the right end of the swivel bearing.

Preferably, the first pinion is located on the right side of the fixed bearing, the diameter of the first pinion is smaller than that of the first bull gear, the first bull gear is located on the right side of the first pinion, and the opposite surfaces of the first pinion and the first bull gear do not intersect.

Preferably, the second small gear is identical to the first small gear, and the second large gear is identical to the first large gear and is matched with the first large gear.

Preferably, the right side of the transverse pull rod is movably connected with the top of the force rod, the number of the fixed sliding blocks is five, and the outer surfaces of the five fixed sliding blocks are respectively in sliding connection with the inner wall of the fixed sliding chute.

Compared with the prior art, the utility model provides a variable frequency speed governing three-phase asynchronous motor rotor structure possesses following beneficial effect:

1. this Variable Frequency Speed Governing (VFSG) three-phase asynchronous motor rotor structure through setting up six prismatic shafts and six prismatic shafts in six prismatic shaft inside swing joint, makes six prismatic shafts can cross left and right sides activity, changes six prismatic shafts under the effect of regulating power pole and makes the connected mode of second gear wheel and second pinion and first gear wheel and first pinion realize the variable speed, and its inner structure is simple, has reached the effect of the maintenance of being convenient for.

2. This frequency conversion speed governing three-phase asynchronous motor rotor structure is through including setting up the power pole on the hexagonal axle and swing joint transverse pull rod on the power pole, makes transverse pull rod can stimulate the motion of hexagonal axle, is offering the crescent moon groove simultaneously and digging the groove and making the power pole be convenient for take out, has reached the effect of the speed governing of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the hexagonal shaft structure of the present invention;

fig. 3 is a right side view of the inner hexagonal shaft structure of the present invention.

Wherein: 1. a connecting ring; 2. winding; 3. a copper wire; 4. carrying out rotary bearing; 5. a shaft lever; 6. a card slot; 7. fixing grooves; 8. fixing the bearing; 9. a first pinion gear; 10. a first bull gear; 11. a second bull gear; 12. a hexagonal shaft; 13. a second pinion gear; 14. a fastening groove; 15. a pull rod fixing shaft; 16. a transverse pull rod; 17. fixing the chute; 18. an inner hexagonal shaft; 19. a placement groove; 20. a crescent groove; 21. a force rod; 22. digging grooves; 23. and fixing the sliding block.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings.

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. 1-3, a rotor structure of a variable frequency speed-regulating three-phase asynchronous motor comprises a connection ring 1, wherein the outer surface of the connection ring 1 is fixedly connected with wire windings 2, the number of the wire windings 2 is six, each copper wire 3 is uniformly wound on the side surface of each wire winding 2, each copper wire 3 is wound on the side surface of each wire winding 2, a rotary bearing 4 is fixedly connected to the inner wall of the connection ring 1, the right end of the rotary bearing 4 penetrates through the left side of the connection ring 1 and extends to the right side of the connection ring 1, a shaft lever 5 is fixedly connected to the inner wall of the rotary bearing 4, the right end of the shaft lever 5 penetrates through the left end of the rotary bearing 4 and extends to the right end of the rotary bearing 4, a clamping groove 6 is formed in the left side of the outer surface of the shaft lever 5, the clamping groove 6 is used for clamping on a motor shell to enable a rotor to be fixed, the right side of the outer surface of the shaft lever 5 is sleeved with a fixed bearing 8, the fixed bearing 8 is used for reducing the friction force during rotation, the right side of the outer surface of the shaft lever 5 is fixedly connected with a first pinion 9, the first pinion 9 is positioned on the right side of the fixed bearing 8, the right side of the outer surface of the shaft lever 5 is fixedly connected with a first gearwheel 10, the diameter of the first pinion 9 is smaller than that of the first gearwheel 10, the first gearwheel 10 is positioned on the right side of the first pinion 9, opposite surfaces of the first pinion 9 and the first gearwheel 10 are not intersected, the outer surface of the first pinion 9 is meshed with a second gearwheel 11, the second gearwheel 11 is identical to the first gearwheel 10 and is mutually matched, the right side of the second gearwheel 11 is fixedly connected with a hexagonal shaft 12, the outer surface of the hexagonal shaft 12 is fixedly connected with a second pinion 13, the second pinion 13 is identical to the first pinion 9, and, the inner wall of the buckling groove 14 is fixedly connected with a pull rod fixing shaft 15, the outer surface of the pull rod fixing shaft 15 is movably connected with a transverse pull rod 16, the right side of the transverse pull rod 16 is movably connected with the top of a force rod 21, the inner wall of the six-edge shaft 12 is provided with a fixed sliding groove 17, the interior of the six-edge shaft 12 is movably connected with an inner six-edge shaft 18, the shape of the six edges prevents the sliding of the connecting part when rotating, the right side of the top of the inner six-edge shaft 18 is provided with a placing groove 19, the placing groove 19 enables the force rod 21 to be positioned inside the inner six-edge shaft 18 to prevent the force rod 21 from being scraped to other devices when rotating, the upper side and the lower side of the placing groove 19 are both provided with crescent grooves 20, the force rod 21 can be conveniently taken out through the crescent grooves 20, the force rod 21 is movably connected inside the placing groove 19, the front side and the rear side of the force rod 21 are both provided with digging grooves 22, the digging grooves 22 can facilitate the taking, meanwhile, the strength of the inner hexagonal shaft 18 can be improved, the hexagonal shaft 12 can be completely stressed when the hexagonal shaft rotates, the number of the fixed sliding blocks 23 is five, and the outer surfaces of the five fixed sliding blocks 23 are respectively connected with the inner wall of the fixed sliding groove 17 in a sliding mode.

When using, through digging out power pole 21 at crescent 20 department, adjust, when power pole 21 rotated to the left side, horizontal pull rod 16 can take six arris axle 12 to the right side, makes second pinion 13 and first gear wheel 10 mesh mutually and realizes low-speed rotation, when rotating power pole 21 right side, horizontal pull rod 16 can push six arris axle 12 to the left side, makes second gear wheel 11 mesh mutually with first pinion 9, realizes high-speed rotation.

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

1. The utility model provides a variable frequency speed governing three-phase asynchronous motor rotor structure, includes go-between (1), its characterized in that: the outer surface of the connecting ring (1) is fixedly connected with a wire coil (2), a copper wire (3) is wound on the side surface of the wire coil (2), the inner wall of the connecting ring (1) is fixedly connected with a bearing (4), the inner wall of the bearing (4) is fixedly connected with a shaft lever (5), the left side of the outer surface of the shaft lever (5) is provided with a clamping groove (6), the right side of the outer surface of the shaft lever (5) is provided with a fixing groove (7), the right side of the outer surface of the shaft lever (5) is sleeved with a fixing bearing (8), the right side of the outer surface of the shaft lever (5) is fixedly connected with a first pinion (9), the right side of the outer surface of the shaft lever (5) is fixedly connected with a first bull gear (10), the outer surface of the first pinion (9) is meshed with a second bull gear (11), the right side of the second bull gear, buckle groove (14) have been seted up on six arris axle (12) top right sides, buckle groove (14) inner wall fixedly connected with pull rod fixed axle (15), pull rod fixed axle (15) surface swing joint has horizontal pull rod (16), fixed spout (17) have been seted up to six arris axle (12) inner wall, six arris axle (18) inside swing joint has interior six arris axle (18), standing groove (19) have been seted up on interior six arris axle (18) top right sides, crescent groove (20) have all been seted up to both sides about standing groove (19), standing groove (19) inside swing joint has power pole (21), scratch groove (22) have all been seted up to both sides around power pole (21), interior six arris axle (18) surface fixedly connected with solid fixed slide (23).

2. The rotor structure of the variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: the number of the wire windings (2) is six, the copper conducting wire (3) is one, and the copper conducting wire is uniformly wound on the side surface of the wire windings (2).

3. The rotor structure of the variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: the right end of the rotary bearing (4) penetrates through the left side of the connecting ring (1) and extends to the right side of the connecting ring (1), and the right end of the shaft lever (5) penetrates through the left end of the rotary bearing (4) and extends to the right end of the rotary bearing (4).

4. The rotor structure of the variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: the first small gear (9) is located on the right side of the fixed bearing (8), the diameter of the first small gear (9) is smaller than that of the first large gear (10), the first large gear (10) is located on the right side of the first small gear (9), and opposite faces of the first small gear (9) and the first large gear (10) do not intersect.

5. The rotor structure of the variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: the second small gear (13) is the same as the first small gear (9), and the second large gear (11) is the same as the first large gear (10) and matched with the first large gear.

6. The rotor structure of the variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: the right side of the transverse pull rod (16) is movably connected with the top of the force rod (21), the number of the fixed sliding blocks (23) is five, and the outer surfaces of the five fixed sliding blocks (23) are respectively in sliding connection with the inner wall of the fixed sliding chute (17).