CN210167901U

CN210167901U - Device for realizing automatic recovery of balance weight of motor rotor

Info

Publication number: CN210167901U
Application number: CN201921514461.5U
Authority: CN
Inventors: 陈忠; 尹利平
Original assignee: Sichuan Fu Sheng Electric Co Ltd
Current assignee: Sichuan Fu Sheng Electric Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-03-20
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a realize automatic device of retrieving of electric motor rotor balancing piece, which comprises a rotating shaft, the surface middle part fixedly connected with bearing and the rotor of pivot, the surface right part fixedly connected with rotor control box of pivot, the inside of rotor control box is provided with retrieves the mechanism, the right-hand member of pivot runs through rotor control box and fixedly connected with fan, and the fan is located the inside of back lid, the right-hand member fixedly connected with box of rotor control box, the outer fixed surface of box is connected with the toothed disc, on the right-hand member inner wall of rotor control box. A device that realizes automatic recovery of electric motor rotor balancing piece, through the design of balancing piece, come better regulation rotor pivoted stable, need not frequent change balancing piece, when the rotor stops, the balancing piece will receive high-pressure spring's effect and shrink, realize automatic recovery function to reduce the bearing of rotor at the stall.

Description

Device for realizing automatic recovery of balance weight of motor rotor

Technical Field

The utility model relates to the field of electric machines, in particular to realize automatic device of retrieving of electric motor rotor balancing piece.

Background

A motor or a rotating part of some rotary machines. The rotor of the motor generally comprises an iron core, a slip ring, a fan blade and the like which are wound with coils, and when the rotor runs, centrifugal inertia force is generated, and the strength and the mechanical efficiency of the rotor are influenced. The rotor is properly balanced to redistribute the mass of its parts to reduce the centrifugal inertial forces generated during rotation.

At present, a plurality of rotors increase the rotation balance thereof, the balance blocks are added on the rotors to control the stability under high-speed operation, the stable blocks are fixed on the rotors, the position can not be well adjusted according to actual requirements, and the rotors can not be automatically recovered in the operation process to reduce the bearing of the rotors.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a realize automatic device of retrieving of electric motor rotor balancing piece can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a realize automatic device of retrieving of electric motor rotor balancing piece, includes the pivot, the surface middle part fixedly connected with bearing and the rotor of pivot, the rotor is located the right-hand side of bearing, the surface right part fixedly connected with rotor control box of pivot, the surface of rotor control box has cup jointed the back lid, the inside of rotor control box is provided with retrieves the mechanism, the right-hand member of pivot runs through rotor control box and fixedly connected with fan, and the fan is located the inside of back lid, the right-hand member fixedly connected with box of rotor control box, the surface fixedly connected with toothed disc of box, on the right-hand member inner wall of rotor control box.

Preferably, an adjusting rod is meshed above the gear plate, threads are formed in the middle of the outer surface of the adjusting rod, and the left end and the right end of the adjusting rod are movably connected to the inner wall of the rotor control box.

Preferably, the main structure of the recovery mechanism is provided with a fixed sleeve, the upper end of the outer surface of the fixed sleeve is fixedly connected with two high-pressure springs, the upper ends of the high-pressure springs are fixedly connected with guide posts, and the upper ends of the guide posts penetrate through the rotor box body and are fixedly connected with balance blocks.

Preferably, two of the high-pressure spring and the guide post are a group, two groups of balance blocks, two groups of high-pressure springs and two groups of guide posts are arranged, and the balance blocks, the high-pressure springs and the guide posts are arranged in an up-and-down symmetrical mode by using the center of the fixing sleeve.

Preferably, the balancing piece primary structure has two sets of balancing boards, and the meshing has the second gear between two sets of balancing boards, the upper end middle part fixedly connected with fixed axle of second gear, the first gear of surface upper portion fixedly connected with of fixed axle, the upper and lower both ends swing joint of fixed axle is on the inner wall of balancing piece, the rear end meshing of first gear has telescopic screw, telescopic screw's front end interlude is connected at the balancing piece front end.

Preferably, the front inner wall and the rear inner wall of each balance block are provided with T-shaped grooves, and the outer surfaces of the two groups of balance plates are connected to the inner walls of the T-shaped grooves in a sliding mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. rotation through the control rotor, the rotation of rotor control box has been driven, and the rotor control box rotates, through the effect of centrifugal force, high-pressure spring extends the atress, stretch out the balancing piece to the inner wall of control box on, and the guide post can fine restriction balancing piece the position, make it can not take place the skew, thereby increase electric motor rotor pivoted stationarity, and rotation through rotating telescopic screw, will drive two balance plates and stretch out, enlarge the fan-shaped area of balance plate, come better regulation rotor pivoted stability, need not frequent change the balancing piece, when the rotor stops, the balancing piece will receive high-pressure spring's effect and shrink, realize automatic recovery function, thereby reduce the bearing of rotor at the stall.

2. And can rotate the box through rotating the regulation pole again and rotate to adjust the position of whole balancing piece, thereby come better the stability of regulating and control every position of rotor, solved the unable effect of adjusting according to unbalanced point of balancing piece.

Drawings

Fig. 1 is a schematic view of the overall structure of a device for automatically recycling a balance block of a motor rotor according to the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of a device for automatically recycling a balance weight of a motor rotor according to the present invention;

FIG. 3 is a schematic view of the internal section of the recycling mechanism of the device for automatically recycling the balance weight of the motor rotor according to the present invention;

fig. 4 is a schematic sectional view of the inside of the balance block of the device for automatically recycling the balance block of the motor rotor of the present invention.

Figure 5 is the utility model discloses a realize automatic enlarged sketch of device A structure of retrieving of electric motor rotor balancing piece

In the figure: 1. a rotating shaft; 2. a bearing; 3. a recovery mechanism; 31. fixing a sleeve; 32. a high pressure spring; 33. a guide post; 34. a counterbalance; 341. a telescopic screw; 342. a first gear; 343. a fixed shaft; 344. a second gear; 345. a balance plate; 346. a T-shaped groove; 4. a rotor; 5. a rotor control box; 6. a rear cover; 7. a gear plate; 8. a fan; 9. adjusting a rod; 10. a thread; 11. and (4) a box body.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically 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 in specific cases to those skilled in the art.

As shown in fig. 1-5, a device for realizing automatic recovery of motor rotor balance weight, including pivot 1, the surface middle part fixedly connected with bearing 2 and rotor 4 of pivot 1, rotor 4 is located right-hand of bearing 2, the surface right part fixedly connected with rotor control box 5 of pivot 1, rear cover 6 has been cup jointed to rotor control box 5's surface, rotor control box 5's inside is provided with retrieves mechanism 3, rotor control box 5 and fixedly connected with fan 8 are run through to pivot 1's right-hand member, and fan 8 is located rear cover 6's inside, rotor control box 5's right-hand member fixedly connected with box 11, the surface fixedly connected with toothed plate 7 of box 11, on rotor control box 5's the right-hand member inner wall.

An adjusting rod 9 is meshed above the gear plate 7, a thread 10 is arranged in the middle of the outer surface of the adjusting rod 9, and the left end and the right end of the adjusting rod 9 are movably connected to the inner wall of the rotor control box 5; the position of the balance weight 34 is adjusted, an unbalanced point is found and adjusted, the main structure of the recovery mechanism 3 is provided with a fixed sleeve 31, the upper end of the outer surface of the fixed sleeve 31 is fixedly connected with two high-pressure springs 32, the upper ends of the high-pressure springs 32 are fixedly connected with guide posts 33, and the upper ends of the guide posts 33 penetrate through the rotor box body 11 and are fixedly connected with the balance weight 34; the effect of automatically contracting the balance weight 34 is realized, the high-pressure spring 32 and the guide column 33 form a group, two groups of balance weight 34, high-pressure spring 32 and guide column 33 are arranged, and the balance weight 34, the high-pressure spring 32 and the guide column 33 are arranged up and down symmetrically by using the center of the fixing sleeve 31; the balance weight 34 mainly comprises two groups of balance plates 345, a second gear 344 is meshed between the two groups of balance plates 345, the middle of the upper end of the second gear 344 is fixedly connected with a fixed shaft 343, the upper part of the outer surface of the fixed shaft 343 is fixedly connected with a first gear 342, the upper end and the lower end of the fixed shaft 343 are movably connected to the inner wall of the balance weight 34, the rear end of the first gear 342 is meshed with a telescopic screw 341, and the front end of the telescopic screw 341 is inserted and connected to the front end of the balance weight 34; t-shaped grooves 346 are formed in the front inner wall and the rear inner wall of the balance block 34, and the outer surfaces of the two groups of balance plates 345 are connected to the inner walls of the T-shaped grooves 346 in a sliding mode, so that the size and the length of the balance block 34 are controlled, balance can be adjusted conveniently and better, and the rotating stability of the rotor 4 is improved.

It should be noted that the utility model relates to a device for realizing automatic recovery of balancing weight of motor rotor, the rotation of the rotor control box 5 is driven by controlling the rotation of the rotor 4, the rotor control box 5 rotates, the high pressure spring 32 is forced to extend by centrifugal force, the balancing weight 34 is extended to the inner wall of the rotor control box 5, the rotating stability of the motor rotor 4 is increased, the fixed shaft 343 is rotated by rotating the extension screw 341 under the action of the worm gear, the second gear 344 under the fixed shaft 343 is rotated to drive the two balancing plates 345 to extend, the sector area of the balancing plates 345 is enlarged, when the rotor 4 stops, the balancing weight 34 is contracted by the high pressure spring 32 to realize the automatic recovery function, the stability of the rotor 4 under high speed operation is adjusted, and the rotating box 11 can be rotated by the rotation adjusting rod 9, thereby adjusting the position of the entire weight 34.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a realize automatic device of retrieving of electric motor rotor balancing piece, includes pivot (1), its characterized in that: the utility model discloses a rotor control box, including the surface of pivot (1), the surface middle part fixedly connected with bearing (2) and rotor (4) of pivot (1), rotor (4) are located right-hand side of bearing (2), the surface right part fixedly connected with rotor control box (5) of pivot (1), back lid (6) have been cup jointed to the surface of rotor control box (5), the inside of rotor control box (5) is provided with retrieves mechanism (3), the right-hand member of pivot (1) runs through rotor control box (5) and fixedly connected with fan (8), and fan (8) are located the inside of back lid (6), the right-hand member fixedly connected with box (11) of rotor control box (5), the surface fixedly connected with toothed plate (7) of box (11), on the right-hand member inner wall of rotor control box (5).

2. The device for realizing automatic recovery of the motor rotor balance weight according to claim 1, is characterized in that: an adjusting rod (9) is meshed above the gear plate (7), threads (10) are formed in the middle of the outer surface of the adjusting rod (9), and the left end and the right end of the adjusting rod (9) are movably connected to the inner wall of the rotor control box (5).

3. The device for realizing automatic recovery of the motor rotor balance weight according to claim 1, is characterized in that: retrieve mechanism (3) major structure and have fixed cover (31), two high-pressure spring (32) of surface upper end fixedly connected with of fixed cover (31), the equal fixedly connected with guide post (33) in upper end of high-pressure spring (32), the upper end of guide post (33) runs through rotor box (11) and fixedly connected with balancing piece (34).

4. The device for realizing automatic recovery of the motor rotor balance weight according to claim 3, is characterized in that: two of high pressure spring (32) and guide post (33) are a set of, balancing piece (34), high pressure spring (32) and guide post (33) are provided with two sets ofly, and balancing piece (34), high pressure spring (32) and guide post (33) are with the central upper and lower symmetry setting of fixed cover (31).

5. The device for realizing automatic recovery of the motor rotor balance weight according to claim 3, is characterized in that: the main structure of the balance block (34) is provided with two groups of balance plates (345), a second gear (344) is meshed between the two groups of balance plates (345), the middle of the upper end of the second gear (344) is fixedly connected with a fixed shaft (343), the upper portion of the outer surface of the fixed shaft (343) is fixedly connected with a first gear (342), the upper end and the lower end of the fixed shaft (343) are movably connected to the inner wall of the balance block (34), the rear end of the first gear (342) is meshed with a telescopic screw (341), and the front end of the telescopic screw (341) is inserted and connected to the front end of the balance block (34).

6. The device for realizing automatic recovery of the motor rotor balance weight according to claim 5, is characterized in that: t-shaped grooves (346) are formed in the front inner wall and the rear inner wall of the balance block (34), and the outer surfaces of the two groups of balance plates (345) are connected to the inner walls of the T-shaped grooves (346) in a sliding mode.