CN212748167U - Shafting dynamic balance test device - Google Patents
Shafting dynamic balance test device Download PDFInfo
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- CN212748167U CN212748167U CN202021587714.4U CN202021587714U CN212748167U CN 212748167 U CN212748167 U CN 212748167U CN 202021587714 U CN202021587714 U CN 202021587714U CN 212748167 U CN212748167 U CN 212748167U
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Abstract
The utility model belongs to the technical field of rotating machinery experimental apparatus, concretely relates to shafting dynamic balance test device. Can only carry out experimental not enough to the single shafting to current dynamic balance laboratory bench, the utility model discloses a following technical scheme: a shafting dynamic balance test device, shafting dynamic balance test device includes: a base; a set of pedestal bearings; a first test rotor; a power assembly; a second test rotor; the transmission assembly is connected with the first test rotor and the second test rotor, so that the second test rotor rotates along with the first test rotor; the vibration sensors are arranged on the bearing group with the base; and a controller. The utility model discloses a shafting dynamic balance test device's beneficial effect is: the power assembly can simultaneously drive the first test rotor and the second test rotor to rotate, and meanwhile, the dynamic balance test of the two rotor shafting is realized.
Description
Technical Field
The utility model belongs to the technical field of rotating machinery experimental apparatus, concretely relates to shafting dynamic balance test device.
Background
The unbalance caused by the mass unbalance is the most common fault of the rotating machine, and the processing procedure is the most complicated of all faults. At present, the balance method aiming at the field dynamic balance of the rotor can be summarized into two main categories of a modal balance method and an influence coefficient method. Due to the diversity of the flexible rotor structure and the complexity of the actual unbalance condition, and the strict limitations of the factors such as the starting times, the positions, the number and the dynamic performance of the position of the rotor balance surface and the vibration measuring point, the dynamic balance of the shafting on site still mostly stays at the theoretical stage so far.
At present, only a single-shafting dynamic balance experiment table is arranged in China, but no multi-shafting balance experiment is arranged, and the balance of a plurality of shafting cannot be tested simultaneously. And the existing rotor vibration simulation experiment table is complex in structure and complex in operation, and influences the research on balance faults.
SUMMERY OF THE UTILITY MODEL
The utility model discloses can only carry out experimental not enough to the single shafting to current dynamic balance laboratory bench, provide a shafting dynamic balance test device, can study multiaxis system dynamic balance.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a shafting dynamic balance test device, shafting dynamic balance test device includes:
a base;
the bearing group with the seat is arranged on the base;
a first test rotor rotatably supported by the seated bearing;
the power assembly is arranged on the base and drives the first test rotor to rotate;
a second test rotor rotatably supported by the set of seated bearings;
the transmission assembly is connected with the first test rotor and the second test rotor, so that the second test rotor rotates along with the first test rotor;
the vibration sensors are arranged on the bearing group with the base;
a controller connecting the power assembly and the vibration sensor.
The utility model discloses a shafting dynamic balance test device, two shafting rotations of first experimental rotor of its power component simultaneous drive and second experimental rotor realize the dynamic balance of two rotor shafting simultaneously experimental. The first test rotor and the second test rotor are respectively supported by different seated bearings of the seated bearing set.
As an improvement, the first test rotor includes a first shaft and a second shaft connected through a first coupling, and the second test rotor includes a third shaft and a fourth shaft connected through a second coupling.
As a refinement, the set of seated bearings includes a first seated bearing supporting the first shaft, a second seated bearing supporting the second shaft, a third seated bearing supporting the third shaft, and a fourth seated bearing supporting the fourth shaft.
As an improvement, the power assembly comprises a variable speed motor, and the variable speed motor is connected with the first test rotor through a coupler.
As an improvement, one end of the power assembly is connected with the first test rotor, and the other end of the power assembly is provided with a first balance disc.
As an improvement, a fifth belt seat bearing is arranged between the first balance disc and the power assembly, and a transverse vibration sensor and a vertical vibration sensor are arranged on the fifth belt seat bearing.
As an improvement, the transmission assembly comprises a driving wheel connected with the first test rotor, a driven wheel connected with the second test rotor and a conveying belt connected with the driving wheel and the driven wheel.
As a refinement, the vibration sensor includes a lateral vibration sensor and a vertical vibration sensor.
As an improvement, one end of the second test rotor, which is far away from the transmission assembly, is provided with a second balance disc.
As an improvement, the first test rotor and the second test rotor are arranged in parallel, and the first test rotor and the second test rotor are located on the same side of the transmission assembly.
The utility model discloses a shafting dynamic balance test device's beneficial effect is: the power assembly can simultaneously drive the first test rotor and the second test rotor to rotate, and meanwhile, the dynamic balance test of the two rotor shafting is realized.
Drawings
Fig. 1 is a schematic perspective view of a shafting dynamic balance test device according to an embodiment of the present invention.
Fig. 2 is a top view of a shafting dynamic balance test device according to the first embodiment of the present invention.
In the figure, 1, a base;
2. a power assembly;
3. a set of pedestal bearings; 31. a first pedestal bearing; 32. a second rolling bearing; 33. a third rolling bearing; 34. a fourth rolling bearing; 35. a fifth rolling bearing;
4. a first test rotor; 41. a first shaft; 42. a second shaft; 43. a first coupling;
5. a second test rotor; 51. a third axis; 52. a fourth axis; 53. a second coupling;
6. a transmission assembly; 61. a driving wheel; 62. a driven wheel; 63. a conveyor belt;
7. a lateral vibration sensor;
8. a vertical vibration sensor;
9. a first balance disk;
10. a second balance disk.
Detailed Description
The technical solutions of the inventive embodiments of the present invention will be explained and explained below with reference to the drawings of the inventive embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the utility model discloses a shafting dynamic balance test device, shafting dynamic balance test device includes:
a base;
the bearing group with the seat is arranged on the base;
a first test rotor rotatably supported by the seated bearing;
the power assembly is arranged on the base and drives the first test rotor to rotate;
a second test rotor rotatably supported by the set of seated bearings;
the transmission assembly is connected with the first test rotor and the second test rotor, so that the second test rotor rotates along with the first test rotor;
the vibration sensors are arranged on the bearing group with the base;
a controller connecting the power assembly and the vibration sensor.
The utility model discloses a shafting dynamic balance test device, two shafting rotations of first experimental rotor of its power component simultaneous drive and second experimental rotor realize the dynamic balance of two rotor shafting simultaneously experimental.
Example one
Referring to fig. 1 and fig. 2, the first embodiment of the present invention provides a shafting dynamic balance test device, the shafting dynamic balance test device includes:
a base 1;
the belt seat bearing group 3 is arranged on the base 1;
a first test rotor 4, said first test rotor 4 being rotatably supported by said seated bearing;
the power assembly 2 is arranged on the base 1, and the power assembly 2 drives the first test rotor 4 to rotate;
a second test rotor 5, said second test rotor 5 being rotatably supported by said set of pedestal bearings 3;
a transmission assembly 6, wherein the transmission assembly 6 connects the first test rotor 4 and the second test rotor 5, so that the second test rotor 5 rotates with the first test rotor 4;
the vibration sensors are arranged on the bearing group with the base 3;
and the controller is connected with the power assembly 2 and the vibration sensor.
In the figure, the controller is not shown. The data obtained by the vibration sensor is transmitted to a controller for analysis, which may have a display panel. The controller may also be used to control the power assembly 2.
In this embodiment, the first test rotor 4 comprises a first shaft 41 and a second shaft 42 connected by a first coupling 43, and the second test rotor 5 comprises a third shaft 51 and a fourth shaft 52 connected by a second coupling 53. The first coupling 43 and the second coupling 53 are flexible couplings.
In this embodiment, the set 3 of seated bearings includes a first seated bearing 31 supporting the first shaft 41, a second seated bearing 32 supporting the second shaft 42, a third seated bearing 33 supporting the third shaft 51, and a fourth seated bearing 34 supporting the fourth shaft 52. The first shaft 41 passes through the first pedestal bearing 31, the second shaft 42 passes through the second pedestal bearing 32, the third shaft 51 passes through the third pedestal bearing 33, and the fourth shaft 52 passes through the fourth pedestal bearing 34. The first coupling 43 is provided between the first and second belt bearings 31 and 32. The second coupling 53 is provided between the third and fourth pedestal bearings 33, 34.
In this embodiment, the power assembly 2 includes a variable speed motor, and the variable speed motor is connected to the first test rotor 4 through a coupling. The variable speed motor can realize the research of the running state of the test rotor at different rotating speeds. The coupling connecting the variable speed motor and the first test rotor 4 is not shown.
In this embodiment, one end of the variable speed motor is connected to the first test rotor 4, and the other end of the variable speed motor is provided with a first balance disc 9. Specifically, the variable speed motor has dual output shafts, an output shaft at one end of the variable speed motor is connected with the first shaft 41 of the first test rotor 4 through a coupling, and an output shaft at the other end of the variable speed motor is connected with the first balance disk 9 through a coupling and a rotating shaft.
In the present embodiment, the vibration sensors include a lateral vibration sensor 7 and a vertical vibration sensor 8. The transverse vibration sensor 7 and the vertical vibration sensor 8 are displacement sensors and are respectively arranged on the side surface and the top surface of the bearing seat so as to obtain the vibration amplitude and the frequency of the rotor.
In this embodiment, a fifth belt seat bearing 35 is disposed between the first balance disk 9 and the power assembly 2, and the fifth belt seat bearing 35 is provided with a lateral vibration sensor 7 and a vertical vibration sensor 8.
In this embodiment, the transmission assembly 6 includes a driving wheel 61 connected to the first test rotor 4, a driven wheel 62 connected to the second test rotor 5, and a transmission belt 63 connecting the driving wheel 61 and the driven wheel 62.
In this embodiment, a second balance disc 10 is disposed at one end of the second test rotor 5 away from the transmission assembly 6.
The first balance disk 9 and the second balance disk 10 may be mounted to the ends of the test rotor by screws. The first balance disk 9 and the second balance disk 10 may employ the same balance disk.
In this embodiment, the first test rotor 4 and the second test rotor 5 are arranged in parallel, and the first test rotor 4 and the second test rotor 5 are located on the same side of the transmission assembly 6.
The utility model discloses a shafting dynamic balance test device's beneficial effect is: the power assembly 2 can simultaneously drive the first test rotor 4 and the second test rotor 5 to rotate, and dynamic balance tests of the two rotor shafting are realized.
In other embodiments, a third test rotor may be provided, and the transmission assembly configuration may be changed accordingly as desired.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.
Claims (10)
1. A shafting dynamic balance test device which is characterized in that: the shafting dynamic balance test device comprises:
a base (1);
the bearing group (3) with the seat is arranged on the base (1);
a first test rotor (4), the first test rotor (4) being rotatably supported by the set of seated bearings (3);
the power assembly (2) is arranged on the base (1), and the power assembly (2) drives the first test rotor (4) to rotate;
a second test rotor (5), said second test rotor (5) being rotatably supported by said set of seated bearings (3);
a transmission assembly (6), said transmission assembly (6) connecting said first test rotor (4) and said second test rotor (5) such that said second test rotor (5) rotates with said first test rotor (4);
the vibration sensors are mounted on the bearing group (3) with the seat;
a controller connecting the power assembly (2) and the vibration sensor.
2. The shafting dynamic balance test device according to claim 1, wherein: the first test rotor (4) comprises a first shaft (41) and a second shaft (42) which are connected through a first coupling (43), and the second test rotor (5) comprises a third shaft (51) and a fourth shaft (52) which are connected through a second coupling (53).
3. The shafting dynamic balance test device according to claim 2, wherein: the set of seated bearings (3) comprises a first seated bearing (31) supporting the first shaft (41), a second seated bearing (32) supporting the second shaft (42), a third seated bearing (33) supporting the third shaft (51) and a fourth seated bearing (34) supporting the fourth shaft (52).
4. The shafting dynamic balance test device according to claim 1, wherein: the power assembly (2) comprises a variable speed motor, and the variable speed motor is connected with the first test rotor (4) through a coupler.
5. The shafting dynamic balance test device according to claim 1, wherein: one end of the power assembly (2) is connected with the first test rotor (4), and the other end of the power assembly is provided with a first balance disc (9).
6. The shafting dynamic balance test device according to claim 5, wherein: first balance plate (9) with be equipped with fifth rolling bearing (35) between power component (2), be equipped with lateral vibration sensor (7) and vertical vibration sensor (8) on fifth rolling bearing (35).
7. The shafting dynamic balance test device according to claim 1, wherein: the transmission assembly (6) comprises a driving wheel (61) connected with the first test rotor (4), a driven wheel (62) connected with the second test rotor (5) and a conveying belt (63) connecting the driving wheel (61) and the driven wheel (62).
8. The shafting dynamic balance test device according to claim 1, wherein: the vibration sensor comprises a lateral vibration sensor (7) and a vertical vibration sensor (8).
9. The shafting dynamic balance test device according to claim 1, wherein: and a second balance disc (10) is arranged at one end, far away from the transmission assembly (6), of the second test rotor (5).
10. The shafting dynamic balance test device according to claim 1, wherein: the first test rotor (4) and the second test rotor (5) are arranged in parallel, and the first test rotor (4) and the second test rotor (5) are located on the same side of the transmission assembly (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021587714.4U CN212748167U (en) | 2020-08-03 | 2020-08-03 | Shafting dynamic balance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021587714.4U CN212748167U (en) | 2020-08-03 | 2020-08-03 | Shafting dynamic balance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748167U true CN212748167U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021587714.4U Active CN212748167U (en) | 2020-08-03 | 2020-08-03 | Shafting dynamic balance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212748167U (en) |
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2020
- 2020-08-03 CN CN202021587714.4U patent/CN212748167U/en active Active
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