CN206592317U - A kind of gas suspension bearing air blower - Google Patents
A kind of gas suspension bearing air blower Download PDFInfo
- Publication number
- CN206592317U CN206592317U CN201720334446.7U CN201720334446U CN206592317U CN 206592317 U CN206592317 U CN 206592317U CN 201720334446 U CN201720334446 U CN 201720334446U CN 206592317 U CN206592317 U CN 206592317U
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- Prior art keywords
- bearing
- impeller
- fixed seat
- support
- main shaft
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Abstract
The utility model is related to a kind of gas suspension bearing air blower, it is sequentially installed with accessory impeller kuppe from left to right including volute body, radial axle bearing, stator, the support of bearing, shading ring, separator and kuppe, accessory impeller is connected by key with main shaft, rotor is provided with main shaft, accessory impeller is locked by bolt to accessory impeller, journal bearing support is separately mounted in radial axle bearing and the support of bearing with journal bearing inner ring, shading ring and thrust bearing Moving plate are installed between the support of bearing and separator, thrust bearing Moving plate is arranged on main shaft by central through hole, impeller is arranged on main shaft by central through hole, the impeller other end is locked by nut.The utility model replaces common rolling bearing or sliding bearing using gas suspension bearing, is worked using pressed gas film supports main shaft, the utility model is without lubricating oil, it is prevented effectively from pollution of the equipment to medium and working environment, meanwhile, the life of bearing improves the reliability of complete machine.
Description
Technical field
The utility model is related to mechanical equipment technical field, more particularly to a kind of gas suspension bearing air blower.
Background technology
Existing air blower is typically to use rolling bearing or sliding bearing supports main shaft, and the radial load and axle of balancing main shaft
Xiang Li, it is ensured that main shaft and impeller normal work.The rotating speed of usual rolling bearing or sliding bearing is determined by lubricating condition, is generally
Thousands of revs/min, when rotating speed is too high, the friction pair oil film of bearing will be destroyed, in turn result in bearing failure.
A kind of gas suspension bearing air blower of the present utility model, common rolling bearing or slip are replaced using gas suspension bearing
Bearing, radial load and axial force when balancing main shaft works are worked using pressed gas film supports main shaft.Due to gas suspension bearing
Resistance is small, and bearing moving-coil is not directly contacted with Jing Quan, and because of friction, heat is not existing, therefore, and gas suspension bearing can ensure
The speed of mainshaft improves to ten to 200,000 revs/min.
Utility model content
The utility model overcomes above-mentioned the deficiencies in the prior art, and there is provided a kind of gas suspension bearing air blower.This practicality
A kind of new gas suspension bearing air blower, common rolling bearing or sliding bearing, balancing main shaft work are replaced using gas suspension bearing
Radial load and axial force when making, are worked using pressed gas film supports main shaft.
Utility model technical scheme：
A kind of gas suspension bearing air blower, including kuppe, volute body, impeller, separator, shading ring, thrust bearing are dynamic
The quiet disk of disk, thrust bearing, the support of bearing, journal bearing support, journal bearing inner ring, main shaft, radial axle bearing, accessory impeller, pair
Impeller kuppe, stator, rotor, helicla flute, U-shaped fixed seat, tack fixed seat, air-vent, pad, air inlet duct, positioning I,
Positioning II and air slot；
The volute body be sequentially installed with from left to right accessory impeller kuppe, radial axle bearing, stator, the support of bearing, every
From ring, separator and kuppe；
The accessory impeller is provided between the accessory impeller kuppe and the radial axle bearing, the accessory impeller passes through key
It is connected with main shaft, the accessory impeller is locked by clamping screw to accessory impeller, rotor is provided with the main shaft；
The journal bearing support is separately mounted to the radial axle bearing and the support of bearing with the journal bearing inner ring
On, air inlet duct is provided with the journal bearing support, and the journal bearing support is positioned by positioning I, the footpath
Air slot is provided with to bearing inner race, and the journal bearing inner ring is positioned by positioning II；
Depressed part is provided with the support of bearing, depressed part is provided with the quiet disk of thrust bearing, the quiet disk of thrust bearing
Including U-shaped fixed seat, tack fixed seat, air-vent and pad, described U-shaped fixed seat one end is provided with U-shaped hole, the U-shaped fixation
Seat is replaced with the tack fixed seat centered on the axle center of the quiet disk of the thrust bearing angularly to be put, the U-shaped fixed seat
With being provided with air-vent in the tack fixed seat；
It is provided between the support of bearing and separator on shading ring and thrust bearing Moving plate, the thrust bearing Moving plate
Central through hole is provided with, the thrust bearing Moving plate is arranged on main shaft by central through hole, and on the thrust bearing Moving plate
Provided with helicla flute；
Impeller is installed, described impeller one end fits with the shading ring between the kuppe and the separator,
The shading ring is arranged on main shaft with the impeller by central through hole, and the impeller other end is locked by nut.
Further：Air slot is fishbone shape.
Further：The separator internal diameter is more than the external diameter of thrust bearing Moving plate.
Further：The U-shaped fixed seat and the tack fixed seat at least three, and adjacent U-shaped fixed seat is with putting down
Pad is installed between head fixed seat.
Further：Air guide well width on the journal bearing inner ring is 1-5mm, and depth is 0.2-1mm.
Further：Air inlet duct broadband on journal bearing support is 1-5mm.
Further：Helicla flute cross-sectional width on thrust bearing Moving plate is 1-4mm, and depth is 0.2-2mm.
Further：Vent diameter on the quiet disk of thrust bearing is 2-10mm.
The utility model has the advantages that for prior art：After the utility model blower speed is improved, wind
The flow of machine is directly proportional to rotation speed of fan square, the less air blower of geometry is obtained larger flow；Meanwhile, the utility model
A kind of gas suspension bearing air blower is without lubricating oil, it is to avoid pollution of the equipment to medium and working environment, this food, pharmacy and
The environment such as space flight are particularly important；A kind of gas suspension bearing air blower of the present utility model, common rolling is replaced using gas suspension bearing
Dynamic bearing or sliding bearing, are greatly improved the life-span of bearing, thus improve the reliability of complete machine.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model journal bearing support；
Fig. 3 is the utility model positioning I front view；
Fig. 4 is the front view of the utility model radial axle bearing；
Fig. 5 is the left view of the utility model radial axle bearing；
Fig. 6 is the structural representation of the utility model journal bearing inner ring；
Fig. 7 is the utility model positioning II front view；
Fig. 8 is the front view of the utility model thrust bearing Moving plate；
Fig. 9 is the left view of the utility model thrust bearing Moving plate；
Figure 10 is the front view of the quiet disk of the utility model thrust bearing；
Figure 11 is the left view of the quiet disk of the utility model thrust bearing；
1- kuppes in figure；2- volute bodies；3- impellers；4- separators；5- shading rings；6- thrust bearing Moving plates；7- thrusts
The quiet disk of bearing；The 8- supports of bearing；9- journal bearing supports；10- journal bearing inner rings；11- main shafts；12- radial axle bearings；13-
Accessory impeller；14- accessory impeller kuppes；15- stators；16- rotors；17- helicla flutes；18-U type fixed seats；19- tack fixed seats；
20- air-vents；21- pads；22- air inlet ducts；23- positionings I；24- positionings II；25- air slots.
Embodiment
The utility model is described in detail below with reference to accompanying drawing.
In Fig. 1 into Figure 11, a kind of gas suspension bearing air blower, including kuppe 1, volute body 2, impeller 3, separator 4,
The quiet disk 7 of shading ring 5, thrust bearing Moving plate 6, thrust bearing, the support of bearing 8, journal bearing support 9, journal bearing inner ring 10, master
Axle 11, radial axle bearing 12, accessory impeller 13, accessory impeller kuppe 14, stator 15, rotor 16, helicla flute 17, U-shaped fixed seat 18,
Tack fixed seat 19, air-vent 20, pad 21, air inlet duct 22, positioning I23, positioning II24 and air slot 25；
The volute body 2 is sequentially installed with accessory impeller kuppe 14, radial axle bearing 12, stator 15, bearing from left to right
Support 8, shading ring 5, separator 4 and kuppe 1；
The accessory impeller 13, the accessory impeller are provided between the accessory impeller kuppe 14 and the radial axle bearing 12
13 are connected by key with main shaft 11, and the accessory impeller 13 is locked by clamping screw to accessory impeller 13, in the main shaft 11
It is provided with rotor 16；
The journal bearing support 9 is separately mounted to the radial axle bearing 12 and bearing with the journal bearing inner ring 10
On support 8, air inlet duct 22 is provided with the journal bearing support 9, and the journal bearing support 9 is carried out by positioning I23
Air slot 25 is provided with positioning, the journal bearing inner ring 10, and the journal bearing inner ring 10 is carried out by positioning II24
Positioning；
Depressed part is provided with the support of bearing 8, depressed part is provided with the quiet disk 7 of thrust bearing, and the thrust bearing is quiet
Disk 7 includes U-shaped fixed seat 18, tack fixed seat 19, air-vent 20 and pad 21；Described one end of U-shaped fixed seat 18 is provided with U-shaped
Hole, the U-shaped fixed seat 18 is replaced angularly with the tack fixed seat 19 centered on the axle center of the quiet disk 7 of the thrust bearing
Put, the U-shaped fixed seat 18 in the tack fixed seat 19 with being provided with air-vent 20；
Shading ring 5 and thrust bearing Moving plate 6 are installed, the thrust bearing is moved between the support of bearing 8 and separator 4
Central through hole is provided with disk 6, the thrust bearing Moving plate 6 is arranged on main shaft 11 by central through hole, and the thrust axis
Bearing plate 6 is provided with helicla flute 17；
Impeller 3, described one end of impeller 3 and the phase of shading ring 5 are installed between the kuppe 1 and the separator 4
Laminating, the shading ring 5 is arranged on main shaft 11 with the impeller 3 by central through hole, and the other end of impeller 3 passes through nut
Locked.
Specifically, air slot is fishbone shape.
Specifically, the internal diameter of separator 4 is more than the external diameter of thrust bearing Moving plate 6.
Specifically, the U-shaped fixed seat 18 and the tack fixed seat 19 at least three, and adjacent U-shaped fixed seat 18
Pad 21 is installed between tack fixed seat 19.
Specifically, the width of air slot 25 on the journal bearing inner ring 10 is 1-5mm, and depth is 0.2-1mm.
Specifically, the broadband of air inlet duct 22 on journal bearing support 9 is 1-5mm.
Specifically, the cross-sectional width of helicla flute 17 on thrust bearing Moving plate 6 is 1-4mm, and depth is 0.2-2mm.
Specifically, a diameter of 2-10mm of air-vent 20 on the quiet disk 7 of thrust bearing.
After stator switches on power, rotor starts rotary work, when accessory impeller 13 works, and certain pressure air dielectric is through stream
Road enters the quiet disk 7 of thrust bearing, promotes thrust bearing Moving plate 6, the axial force of impeller 3 is balanced, while accessory impeller 13 also produces axle
To the axial force of dynamic balance impeller 3.
Main shaft 11 high speed rotate when, be pressurized by fishbone shape air slot 25, with journal bearing inner ring 10 between shape
Into air film, the radial load of balancing main shaft 11 makes main shaft 11 not produce mechanical friction with journal bearing inner ring 10 when high speed rotates.
The utility model replaces common rolling bearing or sliding bearing using gas suspension bearing, is supported using pressed gas film
Main shaft works；After blower speed is improved, the less air blower of geometry is set to obtain larger flow；A kind of gas of the utility model hangs
Floating axle holds air blower without lubricating oil, is prevented effectively from pollution of the equipment to medium and working environment, meanwhile, the utility model makes axle
The life-span held is greatly improved, thus improves the reliability of complete machine.
Claims (7)
1. a kind of gas suspension bearing air blower, it is characterised in that including kuppe (1), volute body (2), impeller (3), separator
(4), shading ring (5), thrust bearing Moving plate (6), the quiet disk of thrust bearing (7), the support of bearing (8), journal bearing support (9), footpath
To bearing inner race (10), main shaft (11), radial axle bearing (12), accessory impeller (13), accessory impeller kuppe (14), stator (15),
Rotor (16), helicla flute (17), U-shaped fixed seat (18), tack fixed seat (19), air-vent (20), pad (21), air inlet duct
(22), positioning I (23), positioning II (24) and air slot (25)；
The volute body (2) be sequentially installed with from left to right accessory impeller kuppe (14), radial axle bearing (12), stator (15),
The support of bearing (8), shading ring (5), separator (4) and kuppe (1)；
The accessory impeller (13), the accessory lobes are provided between the accessory impeller kuppe (14) and the radial axle bearing (12)
Wheel (13) is connected by key with main shaft (11), and the accessory impeller (13) is locked by clamping screw to accessory impeller (13), institute
State in main shaft (11) and be provided with rotor (16)；
The journal bearing support (9) is separately mounted to the radial axle bearing (12) and axle with the journal bearing inner ring (10)
Hold on support (8), air inlet duct (22) is provided with the journal bearing support (9), and the journal bearing support (9) passes through positioning
Shelves I (23) is positioned, and air slot (25) is provided with the journal bearing inner ring (10), and the journal bearing inner ring (10) is logical
Positioning II (24) is crossed to be positioned；
Depressed part is provided with the support of bearing (8), depressed part is provided with the quiet disk of thrust bearing (7), and the thrust bearing is quiet
Disk (7) includes U-shaped fixed seat (18), tack fixed seat (19), air-vent (20) and pad (21)；The U-shaped fixed seat (18)
One end is provided with U-shaped hole, and the U-shaped fixed seat (18) is with the tack fixed seat (19) with the axle of the quiet disk of the thrust bearing (7)
Alternately angularly put centered on the heart, the U-shaped fixed seat (18) on the tack fixed seat (19) with being provided with air-vent
(20)；
Shading ring (5) and thrust bearing Moving plate (6), the thrust axis are installed between the support of bearing (8) and separator (4)
Central through hole is provided with bearing plate (6), the thrust bearing Moving plate (6) is arranged on main shaft (11) by central through hole, and
The thrust bearing Moving plate (6) is provided with helicla flute (17)；
Impeller (3), described impeller (3) one end and the shading ring are installed between the kuppe (1) and the separator (4)
(5) fit, be arranged on the shading ring (5) with the impeller (3) by central through hole on main shaft (11), the impeller
(3) other end is locked by nut.
2. a kind of gas suspension bearing air blower according to claim 1, it is characterised in that separator (4) internal diameter is more than
The external diameter of thrust bearing Moving plate (6).
3. a kind of gas suspension bearing air blower according to claim 2, it is characterised in that the U-shaped fixed seat (18) and institute
Tack fixed seat (19) at least three is stated, and pad is installed between adjacent U-shaped fixed seat (18) and tack fixed seat (19)
(21)。
4. a kind of gas suspension bearing air blower according to claim 3, it is characterised in that on the journal bearing inner ring (10)
Air slot (25) width be 1-5mm, depth is 0.2-1mm.
5. a kind of gas suspension bearing air blower according to claim 4, it is characterised in that entering on journal bearing support (9)
Air drain (22) broadband is 1-5mm.
6. a kind of gas suspension bearing air blower according to claim 5, it is characterised in that the spiral shell on thrust bearing Moving plate (6)
Spin slot (17) cross-sectional width is 1-4mm, and depth is 0.2-2mm.
7. a kind of gas suspension bearing air blower according to claim 6, it is characterised in that saturating on the quiet disk of thrust bearing (7)
Stomata (20) a diameter of 2-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720334446.7U CN206592317U (en) | 2017-03-31 | 2017-03-31 | A kind of gas suspension bearing air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720334446.7U CN206592317U (en) | 2017-03-31 | 2017-03-31 | A kind of gas suspension bearing air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592317U true CN206592317U (en) | 2017-10-27 |
Family
ID=60122475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720334446.7U Active CN206592317U (en) | 2017-03-31 | 2017-03-31 | A kind of gas suspension bearing air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592317U (en) |
-
2017
- 2017-03-31 CN CN201720334446.7U patent/CN206592317U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |