CN218847495U - Process shaft device for dynamic balance detection of hollow shaft rotor - Google Patents
Process shaft device for dynamic balance detection of hollow shaft rotor Download PDFInfo
- Publication number
- CN218847495U CN218847495U CN202320084967.7U CN202320084967U CN218847495U CN 218847495 U CN218847495 U CN 218847495U CN 202320084967 U CN202320084967 U CN 202320084967U CN 218847495 U CN218847495 U CN 218847495U
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- conical surface
- shaft
- expansion sleeve
- dynamic balance
- hollow shaft
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 title claims description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
A process shaft device for detecting dynamic balance of a hollow shaft rotor comprises a dummy shaft, wherein an external thread is arranged on the left side of the outer circumferential surface of the dummy shaft, a nut is in threaded connection with the external thread, a first expansion sleeve is sleeved on the dummy shaft on the right side of the nut, the right end surface of the nut is in contact with the left end surface of the first expansion sleeve, a first conical surface is arranged on the right side of the inner circumferential surface of the first expansion sleeve, a second conical surface is arranged on the outer circumferential surface of the dummy shaft and matched with the first conical surface, a second expansion sleeve is sleeved on the dummy shaft on the right side of the first expansion sleeve, a third conical surface is arranged on the inner circumferential surface of the second expansion sleeve, a fourth conical surface is arranged on the outer circumferential surface of the dummy shaft, and the fourth conical surface is matched with the third conical surface. The utility model discloses a technology axle device for dynamic balance of hollow shaft rotor detects, simple structure, the installation is error-free, is applicable to large-scale production, and it provides the holding surface for the dummy shaft to rise the cover through first cover and the second that rises, guarantees going on smoothly that the dynamic balance of hollow shaft rotor detected.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to the dynamic balance of hollow shaft rotor and detect the technique, especially a technology axle device for hollow shaft rotor dynamic balance detects.
Background
The hollow shaft rotor has good mechanical strength, high rigidity and light weight, and has more superiority than the integral solid shaft rotor structure. The rotor is always in a rotating state during the operation of the motor, because the rotor consists of various parts, the material quality of the rotor is uneven, the blank defect and the processing and assembling error cause that the centrifugal inertia force generated by the mass point of each part can not be counteracted with each other, when the rotor acts on a bearing, the vibration of the motor is easily caused, the noise is generated, the abrasion of the bearing is accelerated, and the mechanical life is shortened, therefore, in order to ensure the service life of the motor, the dynamic balance detection must be carried out on the rotor. When the hollow shaft rotor performs dynamic balance detection, the conventional dummy shaft cannot be installed to ensure smooth dynamic balance detection because the hollow shaft rotor cannot provide a supporting surface for the dummy shaft.
Disclosure of Invention
An object of the utility model is to provide a technology axle device for hollow shaft rotor dynamic balance detects, this kind of a technology axle device for hollow shaft rotor dynamic balance detects can't provide the technical problem of holding surface for the false axle of the hollow shaft rotor among the prior art to solve.
The utility model discloses a technology axle device for hollow shaft rotor dynamic balance detects, including a dummy shaft, the left side of the outer periphery of dummy shaft is provided with the external screw thread, threaded connection has a nut on the external screw thread, the cover is equipped with a first cover that rises on the dummy shaft on nut right side, the right-hand member face of nut and the first left end face contact that rises the cover, the first interior peripheral face's that rises the cover right side is provided with first conical surface, be provided with the second conical surface on the outer periphery of dummy shaft, the second conical surface cooperatees with first conical surface, the cover is equipped with the second cover that rises on the dummy shaft in the first cover right side that rises, the second rises and is provided with the third conical surface on the interior peripheral face of cover, be provided with the fourth conical surface on the outer periphery of dummy shaft, the fourth conical surface sets up right-hand at the second conical surface, the fourth conical surface cooperatees with the third conical surface.
Furthermore, an annular groove is formed in the middle of the outer circumferential surface of the first expansion sleeve along the circumferential direction.
Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a technology axle device for hollow shaft rotor dynamic balance detects, simple structure, the installation is convenient with the maintenance, and is shock-resistant, and the transmission is stable, and the installation is error-free, is applicable to mass production, rises through first cover and the second and overlaps and provide the holding surface for the dummy shaft, guarantees going on smoothly that hollow shaft rotor dynamic balance detected.
Drawings
Fig. 1 is a schematic cross-sectional view of a process shaft device for dynamic balance detection of a hollow shaft rotor according to the present invention.
Fig. 2 is a schematic view of a dummy shaft used in the process shaft device for detecting dynamic balance of a hollow shaft rotor according to the present invention.
Fig. 3 is a schematic diagram of a first expansion sleeve in the process shaft device for detecting dynamic balance of a hollow shaft rotor according to the present invention.
Fig. 4 is a schematic diagram of a second expansion sleeve in the process shaft device for detecting dynamic balance of a hollow shaft rotor according to the present invention.
Fig. 5 is a schematic view of a hollow shaft rotor.
Fig. 6 is a schematic view of a first usage state of the process shaft device for detecting dynamic balance of a hollow shaft rotor according to the present invention.
Fig. 7 is a schematic diagram of a second usage state of the technical shaft device for detecting dynamic balance of a hollow shaft rotor according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments, but the present invention is not limited to this embodiment, and the protection scope of the present invention should be included in all similar structures and similar variations thereof. The utility model provides an upper and lower, preceding, back, left and right equidirectional use only for the description convenience, it is not right the technical scheme's of the utility model restriction.
As shown in fig. 1-7, the utility model discloses a technology axle device for hollow shaft rotor dynamic balance detects, including a dummy shaft 1, the left side of the outer periphery of dummy shaft 1 is provided with external screw thread 2, threaded connection has a nut (not shown) on the external screw thread 2, the cover is equipped with a first cover 3 that rises on the dummy shaft 1 on nut right side, the right-hand member face of nut and the left end face contact of first cover 3 that rises, the right side of the inner circumferential surface of first cover 3 that rises is provided with first conical surface 5, be provided with second conical surface 6 on the outer periphery of dummy shaft 1, second conical surface 6 cooperatees with first conical surface 5, the cover is equipped with a second cover 7 that rises on the dummy shaft 1 in the first cover 3 right side of rising, be provided with third conical surface 8 on the inner circumferential surface of second cover 7 that rises, be provided with fourth conical surface 9 on the outer periphery of dummy shaft 1, fourth conical surface 9 sets up right-hand at second conical surface 6, fourth conical surface 9 cooperatees with third conical surface 8.
Furthermore, an annular groove 4 is formed in the middle of the outer circumferential surface of the first expansion sleeve 3 along the circumferential direction.
Specifically, the dummy shaft 1, the external thread 2, the nut, the first expansion sleeve 3, the tapered surface, the second expansion sleeve 7, and the like in this embodiment all adopt the known solutions in the prior art, and those skilled in the art know all the solutions, and are not described herein again.
The specific installation steps of this embodiment are:
1. after the second expansion sleeve 7 is mounted on the dummy shaft 1, the dummy shaft 1 penetrates through the hollow shaft rotor 10, the outer circumferential surface of the second expansion sleeve 7 is in contact with the inner circumferential surface of the hollow shaft rotor 10, and the dummy shaft 1 is knocked by a rubber hammer to enable the shaft hole to be matched tightly (as shown in fig. 6).
2. The first expansion sleeve 3 is mounted to the other end of the hollow shaft rotor 10 (as shown in fig. 7), the outer circumferential surface of the first expansion sleeve 3 is in contact with the inner circumferential surface of the hollow shaft rotor 10, and a nut is screwed on the external thread 2 to fasten it. Then the action balance detection is carried out, and the dummy shaft 1 is removed after the detection is finished.
The utility model discloses a technology axle device for hollow shaft rotor dynamic balance detects, simple structure, the installation is convenient with the maintenance, and is shock-resistant, and the transmission is stable, installs error-free, is applicable to mass production, rises through first cover 3 and the second and overlaps 7 and provide the holding surface for dummy shaft 1, guarantees going on smoothly that hollow shaft rotor 10 dynamic balance detected.
Claims (2)
1. A technology axle device for hollow shaft rotor dynamic balance detects which characterized in that: the novel artificial shaft comprises a false shaft (1), wherein an external thread (2) is arranged on the left side of the outer circumferential surface of the false shaft (1), a nut is connected to the external thread (2) in a threaded manner, a first expansion sleeve (3) is sleeved on the false shaft (1) on the right side of the nut, the right end surface of the nut is in contact with the left end surface of the first expansion sleeve (3), a first conical surface (5) is arranged on the right side of the inner circumferential surface of the first expansion sleeve (3), a second conical surface (6) is arranged on the outer circumferential surface of the false shaft (1), the second conical surface (6) is matched with the first conical surface (5), a second expansion sleeve (7) is sleeved on the false shaft (1) on the right side of the first expansion sleeve (3), a third conical surface (8) is arranged on the inner circumferential surface of the second expansion sleeve (7), a fourth conical surface (9) is arranged on the outer circumferential surface of the false shaft (1), and the fourth conical surface (9) is matched with the third conical surface (8).
2. A process shaft assembly for hollow shaft rotor dynamic balance detection as recited in claim 1, wherein: the middle part of the outer circumferential surface of the first expansion sleeve (3) is provided with an annular groove (4) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320084967.7U CN218847495U (en) | 2023-01-29 | 2023-01-29 | Process shaft device for dynamic balance detection of hollow shaft rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320084967.7U CN218847495U (en) | 2023-01-29 | 2023-01-29 | Process shaft device for dynamic balance detection of hollow shaft rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218847495U true CN218847495U (en) | 2023-04-11 |
Family
ID=87292756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320084967.7U Active CN218847495U (en) | 2023-01-29 | 2023-01-29 | Process shaft device for dynamic balance detection of hollow shaft rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218847495U (en) |
-
2023
- 2023-01-29 CN CN202320084967.7U patent/CN218847495U/en active Active
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