Electromagnetic control ball type rotor balancing device

Abstract

The utility model relates to the technical field of mechanical rotating shaft balancing, and discloses an electromagnetic control ball type rotor balancing device, which comprises a rotating shaft, two ends of the rotating shaft are sleeved with ball type balancing devices, each ball type balancing device comprises an end cover I and an end cover II, the end cover I and the end cover II are sleeved with the outer surface of the rotating shaft, and the end cover I and the end cover II are sleeved with the outer surface of the rotating shaft. A circular notch is formed in the first end cover, and a power wire is arranged on the inner wall of the circular notch. According to the electromagnetic control ball type rotor balancing device, the two sets of ball type balancing devices are connected to the two ends of the rotating shaft in a sleeving mode at equal intervals, balance of the vibration effect generated due to high speed can be achieved, meanwhile, the ball type balancing devices are convenient to assemble and disassemble and directly sleeved before the rotating shaft operates, time and labor are saved, cost is reduced, and meanwhile the ball type balancing devices are simple in structure and convenient to use. The ball-type balancing device can be installed only by inserting the ball-type balancing device on a rotating shaft with a corresponding aperture size and screwing a screw to stabilize a pin, so that the ball-type balancing device is convenient for personnel to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical rotating shaft balancing, in particular to an electromagnetic control ball-type rotor balancing device. Background Technique

[0002] The existing effective balancing solution for the vibration of the rotating shaft is to add a balancing actuator on the rotating shaft. With the generation of the unbalance amount, a corresponding unbalance amount of the opposite size is matched to offset it, so as to achieve the purpose of balancing.

[0003] However, the following problems still exist in the actual use process:

[0004] The media in the existing balancing actuators are generally divided into ball type and liquid type. Among them, the research on the ball type is still shallow, while the liquid type may increase the amplitude under the subcritical speed compared with the ball type, and the shock absorption effect is relatively poor, and the balancing effect needs to be improved. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the utility model provides an electromagnetic control ball-type rotor balancing device, which has the advantages of being able to achieve self-balancing when vibrating, generally solving the vibration problem, and achieving a better balancing effect, and solves the problems raised in the background technique.

[0006] The utility model provides the following technical solution: an electromagnetic control ball-type rotor balancing device, including: a rotating shaft, both ends of the rotating shaft are sleeved with ball-type balancing devices, the ball-type balancing device includes a first end cover and a second end cover, both the first end cover and the second end cover are sleeved on the outer surface of the rotating shaft, a circular notch is opened on the first end cover, a power supply wire is arranged on the inner wall of the circular notch, a plurality of groups of partition blocks are fixedly connected equidistantly inside the circular notch, an electromagnetic coil is arranged between the plurality of groups of partition blocks, a track is opened on the first end cover, and two groups of steel balls are rollingly connected inside the track.

[0007] Preferably, both sides of the first end cover are connected with pins, the inside of the second end cover is sleeved with the pins, and a screw is threadedly connected inside the pin, and the inner side of the screw abuts against the outer surface of the second end cover.

[0008] Preferably, the two groups of steel balls are symmetrically distributed, and the two groups of steel balls are both magnetic balls.

[0009] Preferably, the power supply wire, the partition block and the electromagnetic coil are all accommodated inside the circular notch, and the electromagnetic coil is electrically connected with the power supply wire.

[0010] Preferably, rotating holes are opened at the middle positions of the first end cover and the second end cover, and the inner walls of the rotating holes are attached to the outer surface of the rotating shaft.

[0011] Preferably, the diameters of the first end cap and the second end cap are the same, and the diameter of the circular notch is larger than the diameter of the track.

[0012] Compared with the prior art, the present utility model has the following beneficial effects:

[0013] In the electromagnetic control ball-type rotor balancing device, by sleeving two sets of ball-type balancing devices at equal distances on both ends of the rotating shaft, the balance of the vibration caused by high speed can be achieved. At the same time, the ball-type balancing device is convenient to install and disassemble. It can be directly sleeved before the rotating shaft runs, which saves time, labor and cost. At the same time, the ball-type balancing device has a simple structure. It only needs to be inserted into the rotating shaft with a corresponding hole diameter and the screw is tightened to fix the pin, then the installation of the ball-type balancing device can be completed, which is convenient for personnel to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic structural diagram of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the present utility model.

[0017] In the figure: 1, rotating shaft; 2, ball-type balancing device; 3, first end cap; 4, second end cap; 5, screw; 6, pin; 7, track; 8, power supply wire; 9, electromagnetic coil; 10, steel ball; 11, spacer; 12, circular notch; 13, rotating hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0019] Please refer to Figure 1 、 Figure 2 and Figure 3, Electromagnetic control ball-type rotor balancing device, comprising: a rotating shaft 1, ball-type balancing devices 2 are sleeved at both ends of the rotating shaft 1, the ball-type balancing device 2 includes an end cover one 3 and an end cover two 4, both the end cover one 3 and the end cover two 4 are sleeved on the outer surface of the rotating shaft 1, a circular notch 12 is opened on the end cover one 3, a power supply wire 8 is arranged on the inner wall of the circular notch 12, a number of groups of partition blocks 11 are fixedly connected at equal intervals inside the circular notch 12, an electromagnetic coil 9 is arranged between the number of groups of partition blocks 11, a track 7 is opened on the end cover one 3, two steel balls 10 are rotatably connected inside the track 7. In the text, two identical steel balls 10 inside the end cover one 3 can freely slide on the track 7. Eighteen groups of electromagnetic coils 9 are separated by partition blocks 11 and are evenly arranged outside the track 7 of the steel balls 10. The electromagnetic coil 9 is connected to an external battery through the power supply wire 8. The two ball-type balancing devices 2 are arranged symmetrically left and right at the unbalanced position of the rotating shaft 1. The ball-type balancing device 2 receives signals from the control system, controls the magnitude of the current in the actuator to make the electromagnetic coil 9 generate a magnetic field to control the position of the steel balls 10, thereby generating a corresponding eccentricity to offset the unbalanced vibration.

[0020] Please refer to Figure 2 and Figure 3 , both sides of the end cover one 3 are connected with pins 6, the inside of the end cover two 4 is sleeved with the pins 6, a screw 5 is threadedly connected inside the pin 6, and the inner side of the screw 5 abuts against the outer surface of the end cover two 4. By connecting the end cover two 4 to the pin 6, the opposite sides of the end cover one 3 and the end cover two 4 are fitted, and at this time, it is fixed by the screw 5, thereby completing the installation of the ball-type balancing device 2.

[0021] Please refer to Figure 3 , the two groups of steel balls 10 are symmetrically distributed, and the two groups of steel balls 10 are both magnetic balls.

[0022] Please refer to Figure 3 , the power supply wire 8, the partition blocks 11 and the electromagnetic coil 9 are all accommodated inside the circular notch 12, and the electromagnetic coil 9 is electrically connected to the power supply wire 8.

[0023] Please refer to Figure 3 , rotating holes 13 are opened at the middle positions of both the end cover one 3 and the end cover two 4, and the inner walls of the rotating holes 13 are fitted with the outer surface of the rotating shaft 1.

[0024] Please refer to Figure 2 and Figure 3 , the diameters of both the end cover one 3 and the end cover two 4 are the same, and the diameter of the circular notch 12 is larger than the diameter of the track 7

[0025] Working principle: During use, two spherical balancing devices 2 are symmetrically arranged on the unbalanced positions of the rotating shaft 1 on the left and right. The spherical balancing device 2 receives signals from the control system, controls the current magnitude in the actuator to make the electromagnetic coil 9 generate a magnetic field to control the position of the steel ball 10, thereby generating a corresponding eccentricity to offset the unbalanced vibration.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Electromagnetic control ball-type rotor balancing device, characterized in that, Comprising: A rotating shaft (1), both ends of the rotating shaft (1) are sleeved with spherical balancing devices (2), the spherical balancing device (2) includes a first end cover (3) and a second end cover (4), both the first end cover (3) and the second end cover (4) are sleeved on the outer surface of the rotating shaft (1), a circular notch (12) is formed on the first end cover (3), a power supply wire (8) is arranged on the inner wall of the circular notch (12), a number of groups of partition blocks (11) are fixedly connected at equal intervals inside the circular notch (12), an electromagnetic coil (9) is arranged between the number of groups of partition blocks (11), a track (7) is formed on the first end cover (3), and two groups of steel balls (10) are rotatably connected inside the track (7).

2. The electromagnetic control ball-type rotor balance device according to claim 1, wherein: Both sides of the first end cover (3) are connected with pins (6), the inside of the second end cover (4) is sleeved with the pins (6), a screw (5) is threadedly connected inside the pin (6), and the inner side of the screw (5) abuts against the outer surface of the second end cover (4).

3. The electromagnetic control ball-type rotor balancing device according to claim 1, characterized in that: The two groups of steel balls (10) are symmetrically distributed, and both groups of steel balls (10) are magnetic balls.

4. The electromagnetic control ball-type rotor balancing device according to claim 1, characterized in that: The power supply wire (8), the partition blocks (11) and the electromagnetic coil (9) are all accommodated inside the circular notch (12), and the electromagnetic coil (9) is electrically connected to the power supply wire (8).

5. The electromagnetic control ball-type rotor balancing device according to claim 1, characterized in that: Rotating holes (13) are formed in the middle positions of both the first end cover (3) and the second end cover (4), and the inner walls of the rotating holes (13) are attached to the outer surface of the rotating shaft (1).

6. The electromagnetic control ball-type rotor balancing device according to claim 1, characterized in that: The diameters of the first end cover (3) and the second end cover (4) are the same, and the diameter of the circular notch (12) is larger than the diameter of the track (7).

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