CN210829834U - Transmission structure of high-pressure centrifugal ventilator - Google Patents
Transmission structure of high-pressure centrifugal ventilator Download PDFInfo
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- CN210829834U CN210829834U CN201921706594.2U CN201921706594U CN210829834U CN 210829834 U CN210829834 U CN 210829834U CN 201921706594 U CN201921706594 U CN 201921706594U CN 210829834 U CN210829834 U CN 210829834U
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Abstract
The utility model discloses a high pressure centrifugal fan transmission structure, including the bearing frame, first bearing, the second bearing, the main shaft, first apron and second apron, the radial dimension of first bearing is less than the radial dimension of second bearing, the inside of bearing frame is provided with first mounting hole and second mounting hole, the radial dimension of first mounting hole is less than the radial dimension of second mounting hole, first mounting hole communicates with each other with the second mounting hole, first mounting hole is located the right side of bearing frame, the second mounting hole is located the left side of bearing frame, the main shaft level is placed, the middle part of main shaft is provided with first bearing position and second bearing position, first bearing cover is on first bearing position, the second bearing cover is on second bearing position. This high pressure centrifugal fan transmission structure adopts vertical structure, has reduced the bearing installing support in the bearing frame, has saved the cost, only need pass in and out with one side at the bearing frame simultaneously, need not dismantle the impeller of ventilation blower, and it is simple and convenient to maintain, need not refuel, does not have the oil leak phenomenon.
Description
Technical Field
The utility model relates to a ventilation blower transmission structure's technical field especially relates to a high pressure centrifugal fan transmission structure.
Background
In the existing centrifugal ventilator, the bearing seat is of a horizontal structure, a mounting bracket of the bearing seat is required to fix the bearing, the mounting and maintenance are complex, oil lubrication is required to be added to enable the oil leakage phenomenon to occur, the bearing is required to be mounted from two sides of the bearing seat, the impeller is required to be detached when the bearing is replaced, and the process is complex and difficult to operate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: the high-pressure centrifugal ventilator transmission structure adopts a vertical structure, reduces a bearing mounting bracket in a bearing seat, saves cost, simultaneously only needs to enter and exit at the same side of the bearing seat, does not need to disassemble an impeller of the ventilator, is simple and convenient to maintain, does not need to be oiled, does not have an oil leakage phenomenon, does not need to be oiled, and does not have an oil leakage phenomenon.
To achieve the purpose, the utility model adopts the following technical proposal: a high-pressure centrifugal fan transmission structure comprises a bearing seat, a first bearing, a second bearing, a main shaft, a first cover plate and a second cover plate, wherein the radial size of the first bearing is smaller than that of the second bearing, a first mounting hole and a second mounting hole are formed in the bearing seat, the radial size of the first mounting hole is smaller than that of the second mounting hole, the first mounting hole is communicated with the second mounting hole, the first mounting hole is positioned on the right side of the bearing seat, the second mounting hole is positioned on the left side of the bearing seat, the main shaft is horizontally placed, a first bearing position and a second bearing position are arranged in the middle of the main shaft, the diameter of the first bearing position is smaller than that of the second bearing position, the first bearing is sleeved on the first bearing position, and the second bearing is sleeved on the second bearing position, the first cover plate is located on one side, away from the second mounting hole, of the bearing seat, the second cover plate is located on one side, away from the first mounting hole, of the bearing seat, and the main shaft penetrates through the second cover plate, the second bearing, the first bearing and the first cover plate in sequence.
As a preferred technical scheme, be provided with the third bearing position between the first bearing position with the second bearing position, the diameter that the third bearing position is less than the diameter of second bearing position, the diameter that the third bearing position is greater than the diameter of first bearing position, the cover has the third bearing on the third bearing position, be provided with the third mounting hole in the bearing frame, the third mounting hole be located first mounting hole with between the second mounting hole, the third bearing is located in the third mounting hole, the main shaft runs through the third bearing.
As a preferred technical scheme, the outside of bearing frame is connected with the mounting panel, the mounting panel with the bearing frame is relatively fixed.
As a preferable technical scheme, a first bolt and a second bolt are arranged on the bearing seat, the first bolt penetrates through the first cover plate and then is in threaded connection with the bearing seat, and the second bolt penetrates through the second cover plate and then is in threaded connection with the bearing seat.
As a preferable technical solution, the first bearing and the second bearing are both ball bearings.
The utility model has the advantages that: the high-pressure centrifugal ventilator transmission structure adopts a vertical structure, reduces a bearing mounting bracket in a bearing seat, saves cost, simultaneously only needs to enter and exit at the same side of the bearing seat, does not need to disassemble an impeller of the ventilator, is simple and convenient to maintain, does not need to be oiled, does not have an oil leakage phenomenon, does not need to be oiled, and does not have an oil leakage phenomenon.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
FIG. 1 is a schematic overall structure diagram of a transmission structure of a high-pressure centrifugal fan according to an embodiment;
FIG. 2 is a schematic structural diagram of a bearing seat according to an embodiment;
fig. 3 is a schematic structural diagram of a spindle according to an embodiment.
In fig. 1 to 3:
1. a bearing seat; 2. a first bearing; 3. a second bearing; 4. a main shaft; 5. a first cover plate; 6. a second cover plate; 7. a first mounting hole; 8. a second mounting hole; 9. a first bearing position; 10. a second bearing position; 11. mounting a plate; 12. a third bearing position; 13. a third bearing; 14. a third mounting hole; 15. a first bolt; 16. and a second bolt.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, in this embodiment, a high-pressure centrifugal fan transmission structure includes a bearing seat 1, a first bearing 2, a second bearing 3, a main shaft 4, a first cover plate 5 and a second cover plate 6, a radial dimension of the first bearing 2 is smaller than a radial dimension of the second bearing 3, a first mounting hole 7 and a second mounting hole 8 are provided inside the bearing seat 1, a radial dimension of the first mounting hole 7 is smaller than a radial dimension of the second mounting hole 8, the first mounting hole 7 communicates with the second mounting hole 8, the first mounting hole 7 is located on a right side of the bearing seat 1, the second mounting hole 8 is located on a left side of the bearing seat 1, the main shaft 4 is horizontally disposed, a first bearing 9 and a second bearing 10 are provided in a middle portion of the main shaft 4, a diameter of the first bearing 9 is smaller than a diameter of the second bearing 10, the first bearing 2 is sleeved on the first bearing position 9, the second bearing 3 is sleeved on the second bearing position 10, the first cover plate 5 is located on one side, away from the second mounting hole 8, of the bearing seat 1, the second cover plate 6 is located on one side, away from the first mounting hole 7, of the bearing seat 1, and the main shaft 4 penetrates through the second cover plate 6, the second bearing 3, the first bearing 2 and the first cover plate 5 in sequence.
Specifically, the first bearing 2 and the second bearing 3 are both ball bearings.
Meanwhile, the outer side of the bearing seat 1 is connected with a mounting plate 11, and the mounting plate 11 is relatively fixed with the bearing seat 1.
Adopt vertical structure bearing frame 1, whole bearing frame 1 passes through mounting panel 11 is fixed on high pressure centrifugal fan's casing posterior lateral plate, owing to directly will first bearing 2 (little bearing) with second bearing 3 (big bearing) is installed respectively in first mounting hole 7 with in the second mounting hole 8, during the installation, will in advance second bearing 3 overlaps second bearing position 10, first bearing 2 overlaps first bearing position 9, then follows the left side of bearing frame 1 is inserted, makes first bearing 2 inserts first mounting hole 7, second bearing 3 inserts second mounting hole 8 is at last the both sides of bearing frame 1 are covered respectively first apron 5 with second apron 6 seals.
In this embodiment, a third bearing position 12 is disposed between the first bearing position 9 and the second bearing position 10, a diameter of the third bearing position 12 is smaller than a diameter of the second bearing position 10, the diameter of the third bearing position 12 is larger than the diameter of the first bearing position 9, a third bearing 13 is sleeved on the third bearing position 12, a third mounting hole 14 is disposed in the bearing seat 1, the third mounting hole 14 is located between the first mounting hole 7 and the second mounting hole 8, the third bearing position 12 is located in the third mounting hole 14, and the main shaft 4 penetrates through the third bearing 13.
The third bearing 13 plays a role of auxiliary connection, so that the main shaft 4 can better transmit power in the bearing seat 1 in a rotating way.
In this embodiment, the bearing seat 1 is provided with a first bolt 15 and a second bolt 16, the first bolt 15 penetrates through the first cover plate 5 and then is connected with the bearing seat 1 by screw threads, and the second bolt 16 penetrates through the second cover plate 6 and then is connected with the bearing seat 1 by screw threads.
The first cover plate 5 and the second cover plate 6 are fixed on the bearing seat 1 through the first bolt 15 and the second bolt 16, the first mounting hole 7 and the second mounting hole 8 are sealed, and the smooth work of the first bearing 2 and the second bearing 3 inside the bearing seat is guaranteed.
It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a high-pressure centrifugal fan transmission structure, its characterized in that, includes bearing frame, first bearing, second bearing, main shaft, first apron and second apron, the radial dimension of first bearing is less than the radial dimension of second bearing, the inside of bearing frame is provided with first mounting hole and second mounting hole, the radial dimension of first mounting hole is less than the radial dimension of second mounting hole, first mounting hole with the second mounting hole communicates with each other, first mounting hole is located the right side of bearing frame, the second mounting hole is located the left side of bearing frame, the main shaft level is placed, the middle part of main shaft is provided with first bearing position and second bearing position, the diameter in first bearing position is less than the diameter in second bearing position, first bearing cover in on the first bearing position, the second bearing cover in on the second bearing position, the first cover plate is located on one side, away from the second mounting hole, of the bearing seat, the second cover plate is located on one side, away from the first mounting hole, of the bearing seat, and the main shaft penetrates through the second cover plate, the second bearing, the first bearing and the first cover plate in sequence.
2. The transmission structure of claim 1, wherein a third bearing position is disposed between the first bearing position and the second bearing position, the diameter of the third bearing position is smaller than that of the second bearing position, the diameter of the third bearing position is larger than that of the first bearing position, a third bearing is sleeved on the third bearing position, a third mounting hole is disposed in the bearing seat, the third mounting hole is disposed between the first mounting hole and the second mounting hole, the third bearing is disposed in the third mounting hole, and the main shaft penetrates through the third bearing.
3. A high pressure centrifugal fan drive according to claim 1, wherein a mounting plate is attached to the outside of the bearing housing, the mounting plate being fixed relative to the bearing housing.
4. The transmission structure of a high-pressure centrifugal ventilator according to claim 1, wherein the bearing seat is provided with a first bolt and a second bolt, the first bolt penetrates through the first cover plate and then is in threaded connection with the bearing seat, and the second bolt penetrates through the second cover plate and then is in threaded connection with the bearing seat.
5. A high pressure centrifugal ventilator drive configuration as claimed in claim 1, wherein the first and second bearings are ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706594.2U CN210829834U (en) | 2019-10-12 | 2019-10-12 | Transmission structure of high-pressure centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706594.2U CN210829834U (en) | 2019-10-12 | 2019-10-12 | Transmission structure of high-pressure centrifugal ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210829834U true CN210829834U (en) | 2020-06-23 |
Family
ID=71258054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921706594.2U Active CN210829834U (en) | 2019-10-12 | 2019-10-12 | Transmission structure of high-pressure centrifugal ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210829834U (en) |
-
2019
- 2019-10-12 CN CN201921706594.2U patent/CN210829834U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Workshop A1, Guangdong Luosen Ventilation Equipment Manufacturing Co., Ltd., No. 6 Desheng Road, Industrial Park, Chengdong Neighborhood Committee, Decheng Street, Deqing County, Zhaoqing City, Guangdong Province, 526600 Patentee after: Guangdong East Ventilation Fan Co.,Ltd. Address before: 523000 No. 2, Sha Wang Road, Hongwu vortex village, Hongmei Town, Dongguan, Guangdong. Patentee before: DONGGUAN GUOTONG VENTILATION EQUIPMENT CO.,LTD. |
|
| CP03 | Change of name, title or address |