Improved motor rotor balancing device

Abstract

The utility model provides a kind of improved motor rotor balancing device, including motor rotating shaft, motor rotor, end disc, balancing block, adjustable fixed balance ring structure, contactable balance auxiliary insulating frame structure and the auxiliary balance reinforcing ring structure of structure, the outer wall middle position bolt fixing of motor rotating shaft has motor rotor.The utility model motor rotating shaft, motor rotor, splicing ring, fixed rod and the setting of mutual cooperation of balance ring are favorable in the process of using by the outer wall of fixed rod fixed in balance ring, the purpose of being adjusted in the process of using is facilitated;Motor rotating shaft, fixed tube, reinforcing ring, bearing and the setting of mutual cooperation of fixed ring are favorable in the process of using by fixed ring connection shell inside, then support work is carried out through bearing, the purpose of being balanced in the process of using is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of motor equipment technology, and in particular relates to an improved motor rotor balancing device. Background Technology

[0002] An electric motor is a device that converts electrical energy into mechanical energy based on the law of electromagnetic induction. It typically consists of a stator and a rotor. Because the rotor rotates at a relatively high speed during operation and has a large mass and relatively long axial dimension, it requires dynamic balancing. Existing motor rotor balancing devices suffer from drawbacks: they are inconvenient for adjusting the balancing mechanism according to operational needs, for performing balancing reinforcement work, and for making direct contact to achieve balancing reinforcement during use. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides an improved motor rotor balancing device. By setting a balancing adjustment mechanism during use, it facilitates balancing adjustments; by setting a balancing support and reinforcement mechanism during use, it facilitates reinforcement while maintaining balance; and by setting a contact balancing mechanism during use, it improves the balancing effect during use.

[0004] An improved motor rotor balancing device includes a motor shaft, a motor rotor bolted to the middle of the outer wall of the motor shaft; end plates bolted to both ends of the motor rotor; and balance blocks bolted to the outer walls of the end plates. The device is characterized by an adjustable and fixed balance ring structure located at the middle of the outer wall of the motor rotor; contactable balance auxiliary insulating frame structures located on the left and right sides of the outer wall of the motor rotor; and auxiliary balance reinforcing ring structures located on the left and right sides of the outer wall of the motor shaft.

[0005] Preferably, the adjustable fixed balance ring structure includes splicing rings, and fixing rods are bolted to the splicing rings in sequence; balance rings are bolted to the left and right sides of the outer wall of the fixing rods respectively.

[0006] Preferably, the accessible balance auxiliary insulation frame structure includes a sleeve ring frame, the sleeve ring frame having a sleeve hole inside; and high-temperature resistant contact rings are respectively pin-connected to the inner wall of the sleeve ring frame.

[0007] Preferably, the auxiliary balancing reinforcement ring structure includes a fixing tube, and a reinforcement ring is integrally provided on the left side of the outer wall of the fixing tube; a bearing is embedded inside the fixing tube; and a fixing ring is bolted to the right side of the outer wall of the fixing tube.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0009] 1. In this utility model, the motor shaft, motor rotor, splicing ring, fixing rod, and balance ring are arranged in a cooperative manner, which facilitates the use of the balance ring to fix the motor to the outer wall of the fixing rod, making it convenient for adjustment during use.

[0010] 2. In this utility model, the motor shaft, fixing tube, reinforcing ring, bearing, and fixing ring are arranged in a cooperative manner, which facilitates the connection of the fixing ring to the inside of the housing during use, and then the bearing provides support, thus aiding in balancing during use.

[0011] 3. In this utility model, the motor shaft, motor rotor, sleeve ring frame, sleeve hole, and high-temperature resistant contact ring are arranged in a cooperative manner, which facilitates the use of the high-temperature resistant contact ring between the motor rotor and the motor stator, and makes it easy to contact the stator through the high-temperature resistant contact ring during use, so as to achieve the purpose of contact balance. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the adjustable fixed balance ring structure of this utility model.

[0014] Figure 3 This is a schematic diagram of the accessible balance auxiliary insulation frame structure of this utility model.

[0015] Figure 4 This is a schematic diagram of the auxiliary balancing and reinforcing ring structure of this utility model.

[0016] In the picture:

[0017] 1. Motor shaft; 2. Motor rotor; 3. End plate; 4. Balance block; 5. Adjustable and fixed balance ring structure; 51. Splicing ring; 52. Fixing rod; 53. Balance ring; 6. Contactable balance auxiliary insulation frame structure; 61. Sleeve ring frame; 62. Sleeve hole; 63. High temperature resistant contact ring; 7. Auxiliary balance reinforcement ring structure; 71. Fixing tube; 72. Reinforcing ring; 73. Bearing; 74. Fixing ring. Detailed Implementation

[0018] The present invention will now be described in detail with reference to the accompanying drawings, as shown below. Figure 1 and attached Figure 2As shown, an improved motor rotor balancing device includes a motor shaft 1, a motor rotor 2, end plates 3, balance blocks 4, an adjustable and fixed balance ring structure 5, a contactable balance auxiliary insulation frame structure 6, and a balance reinforcement ring structure 7. The motor rotor 2 is bolted to the middle of the outer wall of the motor shaft 1; end plates 3 are bolted to both ends of the motor rotor 2; balance blocks 4 are bolted to the outer walls of the end plates 3; an adjustable and fixed balance ring structure 5 is provided at the middle of the outer wall of the motor rotor 2; contactable balance auxiliary insulation frame structures 6 are provided on the left and right sides of the outer wall of the motor rotor 2; the outer... The left and right sides of the wall are provided with auxiliary balancing and reinforcing ring structures 7; the adjustable and fixed balancing ring structure 5 includes splicing rings 51, fixing rods 52 and balancing rings 53, and fixing rods 52 are bolted to the splicing rings 51 in sequence; balancing rings 53 are bolted to the left and right sides of the outer wall of the fixing rod 52 respectively; in use, the motor shaft 1 is installed in a suitable position of the motor, and according to the use requirements, a corresponding number of balancing rings 53 are set on the outer wall of the fixing rod 52, and the balancing rings 53 are set in the middle position of the outer wall of the motor rotor 2, and fixed to the outer wall of the fixing rod 52 by the balancing rings 53, which facilitates the adjustment work according to the use requirements during the installation process.

[0019] In this implementation plan, in conjunction with the appendix Figure 3 As shown, the contactable balancing auxiliary insulation frame structure 6 includes a sleeve ring frame 61, a sleeve hole 62, and a high-temperature resistant contact ring 63. The sleeve ring frame 61 has a sleeve hole 62 inside. The high-temperature resistant contact ring 63 is pin-connected to the inner wall of the outer wall of the sleeve ring frame 61. The sleeve ring frame 61 is bolted to the left and right sides of the outer wall of the motor rotor 2 between the motor shaft 1 and the motor rotor 2. During use, the high-temperature resistant contact ring 63 is set between the motor rotor 2 and the motor stator to facilitate contact balancing during use and improve the balancing effect during use.

[0020] In this implementation plan, in conjunction with the appendix Figure 4 As shown, the auxiliary balancing reinforcement ring structure 7 includes a fixing tube 71, a reinforcement ring 72, a bearing 73, and a fixing ring 74. The reinforcement ring 72 is integrally provided on the left side of the outer wall of the fixing tube 71; the bearing 73 is embedded inside the fixing tube 71; the fixing ring 74 is bolted to the right side of the outer wall of the fixing tube 71; when installing the motor shaft 1 and the motor rotor 2, the fixing ring 74 is installed in a suitable position inside the motor housing, and is respectively sleeved on the left and right sides of the outer wall of the motor rotor 2 by the bearing 73, which facilitates reinforcement and support during use, and at the same time assists in balancing the motor rotor 2, thereby completing the balancing work.

[0021] In this embodiment, specifically, the motor rotor 2 is configured as an H-type rotor and uses a spliced ​​rotor to facilitate installation and disassembly during use.

[0022] In this embodiment, specifically, the splicing ring 51 is made of semi-circular stainless steel rings spliced ​​together to facilitate installation and disassembly.

[0023] In this embodiment, specifically, the splicing ring 51 is bolted to the left and right sides of the middle position of the outer wall of the motor rotor 2; the balance ring 53 is set at the middle position of the outer wall of the motor rotor 2.

[0024] In this embodiment, specifically, the outer wall of the sleeve ring frame 61 is provided with a groove; the high-temperature resistant contact ring 63 is made of high-temperature resistant and insulating aluminum silicate fiber ring.

[0025] In this embodiment, specifically, the sleeve ring frame 61 is bolted to the left and right sides of the outer wall of the motor rotor 2.

[0026] In this embodiment, specifically, the reinforcing ring 72 is located at the middle left side of the fixing ring 74; the outer wall of the fixing ring 74 is provided with fixing holes.

[0027] In this embodiment, specifically, the bearings 73 are respectively sleeved on the left and right sides of the outer wall of the motor shaft 1 and are interference-fitted; the fixing tubes 71 are respectively set at both ends of the motor rotor 2.

[0028] Working principle

[0029] In this invention, during use, the motor shaft 1 is installed in a suitable position on the motor. A corresponding number of balance rings 53 are set on the outer wall of the fixing rod 52 according to usage requirements, and the balance rings 53 are positioned in the middle of the outer wall of the motor rotor 2. The balance rings 53 are fixed to the outer wall of the fixing rod 52, facilitating adjustments during installation as needed. Between the motor shaft 1 and the motor rotor 2, the connecting ring frame 61 is bolted to the left and right sides of the outer wall of the motor rotor 2. During use, a high-temperature resistant contact ring 63 is placed between the motor rotor 2 and the motor stator to facilitate contact balancing and improve the balance effect. When installing the motor shaft 1 and the motor rotor 2, the fixing ring 74 is installed in a suitable position inside the motor housing and fitted onto the left and right sides of the outer wall of the motor rotor 2 via bearings 73, facilitating reinforcement and support during use, and aiding in the balance of the motor rotor 2, thus completing the balancing process.

[0030] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution of this utility model, falls within the protection scope of this utility model.

Claims

1. An improved motor rotor balancing device, comprising a motor rotating shaft (1), a motor rotor (2) is bolted in the middle position of the outer wall of the motor rotating shaft (1); an end disc (3) is bolted at each end of the motor rotor (2) respectively; a balancing block (4) is bolted at the outer wall of the end disc (3) respectively; characterized in that, In this improved motor rotor balancing device, an adjustable fixed balancing ring structure (5) is provided in the middle of the outer wall of the motor rotor (2); an accessible balancing auxiliary insulating frame structure (6) is provided on the left and right sides of the outer wall of the motor rotor (2); and an auxiliary balancing reinforcing ring structure (7) is provided on the left and right sides of the outer wall of the motor shaft (1).

2. The improved motor rotor balancing apparatus as claimed in claim 1, wherein, The adjustable fixed balance ring structure (5) includes splicing rings (51), and fixing rods (52) are bolted between the splicing rings (51); balance rings (53) are bolted to the left and right sides of the outer wall of the fixing rods (52).

3. The improved motor rotor balancing apparatus as claimed in claim 1, wherein, The accessible balance auxiliary insulation frame structure (6) includes a sleeve ring frame (61), and the sleeve ring frame (61) has a sleeve hole (62) inside; the outer wall of the sleeve ring frame (61) is connected with a high temperature resistant contact ring (63) by a pin.

4. The improved motor rotor balancing apparatus as claimed in claim 1 wherein, The auxiliary balancing reinforcement ring structure (7) includes a fixed tube (71), and a reinforcement ring (72) is integrally provided on the left side of the outer wall of the fixed tube (71); a bearing (73) is embedded inside the fixed tube (71); and a fixing ring (74) is bolted to the right side of the outer wall of the fixed tube (71).

5. The improved motor rotor balancing apparatus as claimed in claim 2 wherein, The splicing ring (51) is made of semi-circular stainless steel rings spliced ​​together to facilitate installation and disassembly.

6. The improved motor rotor balancing apparatus as claimed in claim 2 wherein, The splicing ring (51) is bolted to the left and right sides of the middle position of the outer wall of the motor rotor (2); the balance ring (53) is set at the middle position of the outer wall of the motor rotor (2).

7. The improved motor rotor balancing apparatus as claimed in claim 3 wherein, The outer wall of the sleeve ring frame (61) is provided with a groove; the high temperature resistant contact ring (63) is made of high temperature resistant and insulating aluminum silicate fiber ring.

8. The improved motor rotor balancing apparatus as claimed in claim 3 wherein, The sleeve ring frame (61) is bolted to the left and right sides of the outer wall of the motor rotor (2).

9. The improved motor rotor balancing apparatus as claimed in claim 4 wherein, The bearings (73) are respectively sleeved on the left and right sides of the outer wall of the motor shaft (1) and are interference fit; the fixing tubes (71) are respectively set at both ends of the motor rotor (2).

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