CN207064312U - A kind of negative pressure device for preventing fan bearing and bearing box oil leakage - Google Patents
A kind of negative pressure device for preventing fan bearing and bearing box oil leakage Download PDFInfo
- Publication number
- CN207064312U CN207064312U CN201720647337.0U CN201720647337U CN207064312U CN 207064312 U CN207064312 U CN 207064312U CN 201720647337 U CN201720647337 U CN 201720647337U CN 207064312 U CN207064312 U CN 207064312U
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- Prior art keywords
- bearing
- fan
- control device
- box
- negative pressure
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Abstract
The utility model provides a kind of negative pressure device for preventing fan bearing and bearing box oil leakage, including grease-box, regulating valve, connecting tube, blower fan and control device, and described grease-box at the air intake vent of connecting tube and blower fan by connecting；Described regulating valve is arranged in connecting tube；Described control device is arranged on grease-box.The setting of the utility model regulating valve, be advantageous to adjust transmission speed of the air-flow in connecting tube, and use is more convenient；The setting of blower fan, be advantageous to overcome because sending, drawing and primary air fan rotor be rotated in close to rotor-side formation local decompression at a high speed to solve the problems, such as bearing and bearing box oil leakage；The setting of control device, be advantageous to improve high intelligent control degree.
Description
Technical field
The utility model belongs to Fan Equipment accessory technical field, more particularly to one kind prevents fan bearing and bearing housing from leaking
The negative pressure device of oil.
Background technology
Boiler gives, draw and primary air fan be boiler Important Auxiliary equipment, and key equipment, its rotor be rotated at a high speed
Local decompression is formed close to rotor-side, causes the driving of the oriented negative pressuren zone flowing of relative " high pressure " lubricating oil (mist) at bearing shell
Power, and existing bearing shell stem seal design is only sealed by the mode of " stifled ", without considering from the side for eliminating flow driving power
To solving the problems, such as oil leak.
But also there is the problem of bearing and bearing housing easy oil leak for existing blower fan.
Therefore, invention is a kind of prevents the negative pressure device of fan bearing and bearing box oil leakage from seeming very necessary.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of negative pressure for preventing fan bearing and bearing box oil leakage
Device, to solve the problems, such as the existing easy oil leak of fan bearing and bearing housing.One kind prevents fan bearing and bearing box oil leakage
Negative pressure device, including grease-box, regulating valve, connecting tube, blower fan and control device, described grease-box pass through connecting tube
With being connected at the air intake vent of blower fan；Described regulating valve is arranged in connecting tube；Described control device is arranged on grease-box
On；Described blower fan includes fan main body, motor, motor mounting rack, fan blade, bearing housing oil return pipe and bearing, described motor
It is arranged on by motor mounting rack in fan main body；Described bearing is arranged on the left side of motor；Described bearing housing oil return pipe
On the left of the middle part of motor；Described fan blade is arranged on the output shaft of motor.
Preferably, described regulating valve uses electromagnetic valve.
Preferably, described control device includes control device shell, touch-screen, controller and power switch, described
Touch-screen and power switch are embedded in the preceding surface of control device shell respectively；Described controller is arranged on control device shell
Inside.
Preferably, described control implement body is using the serial PLC of mitsubishi FX2N -48.
Preferably, the input of described touch-screen and controller is electrically connected with；Described regulating valve and motor respectively with
Controller output end be electrically connected with.
Compared with prior art, the utility model has the advantages that：Because one kind of the present utility model prevents wind
The negative pressure device of machine bearing and bearing box oil leakage, which is widely used in fan bearing and bearing housing, prevents oil leak technical field.Meanwhile
The beneficial effects of the utility model are：
1. in the utility model, the setting of described regulating valve, be advantageous to adjust transmission speed of the air-flow in connecting tube,
And use is more convenient.
2. in the utility model, the setting of described blower fan, be advantageous to overcome because sending, drawing and primary air fan motor turns
Sub be rotated at a high speed forms local decompression to solve the problems, such as bearing and bearing box oil leakage close to rotor-side.
3. in the utility model, the setting of described control device, be advantageous to improve high intelligent control degree.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of blower fan of the present utility model.
Fig. 3 is the structural representation of control device of the present utility model.
In figure：
1st, grease-box；2nd, regulating valve；3rd, connecting tube；4th, blower fan；41st, fan main body；42nd, motor；43rd, motor is installed
Frame；44th, fan blade；45th, bearing housing oil return pipe；46th, bearing；5th, control device；51st, control device shell；52nd, touch-screen；53rd, control
Device processed；54th, power switch.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
Embodiment：
As shown in accompanying drawing 1 to accompanying drawing 3
The utility model provides a kind of negative pressure device for preventing fan bearing and bearing box oil leakage, including grease-box 1, adjusts
Valve 2, connecting tube 3, blower fan 4 and control device 5 are saved, described grease-box 1 is by connecting tube 3 with being connect at the air intake vent of blower fan 4
It is logical；Described regulating valve 2 is arranged in connecting tube 3；Described control device 5 is arranged on grease-box 1；Described blower fan 4
Including fan main body 41, motor 42, motor mounting rack 43, fan blade 44, bearing housing oil return pipe 45 and bearing 46, described motor 42
It is arranged on by motor mounting rack 43 in fan main body 41；Described bearing 46 is arranged on the left side of motor 42；Described bearing
Tank drainback pipe 45 is arranged on the left of the middle part of motor 42；Described fan blade 44 is arranged on the output shaft of motor 42.
In above-described embodiment, specifically, described regulating valve 2 uses electromagnetic valve.
In above-described embodiment, specifically, described control device 5 includes control device shell 51, touch-screen 52, controller
53 and power switch 54, described touch-screen 52 and power switch 54 are embedded in the preceding surface of control device shell 51 respectively；Institute
The controller 53 stated is arranged on the inside of control device shell 51.
In above-described embodiment, specifically, described controller 53 is specifically using the PLC of the series of mitsubishi FX2N -48.
In above-described embodiment, specifically, the input of described touch-screen 52 and controller 53 is electrically connected with；Described tune
The output end of valve 2 and motor 42 respectively with controller 53 is saved to be electrically connected with.
Operation principle
The utility model in the course of the work, when the fan blade 44 in blower fan 4 rotates at a high speed, the air stream in connecting tube 3
Dynamic speed is fast, makes the pressure subatmospheric power in connecting tube 3, forms negative pressure, meanwhile, connecting tube 3 communicates with grease-box 1,
Bearing 46 and bearing housing oil return pipe 45 are connected with lubricating oil station again, also form negative pressure, by adjust the aperture size of regulating valve 2 come gram
Clothes because send, draw and the rotor of primary air fan motor 4 at a high speed be rotated in close to rotor-side formation local decompression, make bearing 46 and bearing housing
The oil return of oil return pipe 45 is more unobstructed, so as to solve the problems, such as bearing 46 and bearing box oil leakage.
Using technical scheme described in the utility model, or those skilled in the art is in technical solutions of the utility model
Under inspiration, similar technical scheme is designed, and reaches above-mentioned technique effect, is to fall into protection model of the present utility model
Enclose.
Claims (4)
1. a kind of negative pressure device for preventing fan bearing and bearing box oil leakage, it is characterised in that this prevents fan bearing and bearing
The negative pressure device of case oil leak, including grease-box (1), regulating valve (2), connecting tube (3), blower fan (4) and control device (5), institute
The grease-box (1) stated at the air intake vent of connecting tube (3) and blower fan (4) by connecting；Described regulating valve (2) is arranged on connection
Manage on (3)；Described control device (5) is arranged on grease-box (1)；Described blower fan (4) includes fan main body (41), electricity
Machine (42), motor mounting rack (43), fan blade (44), bearing housing oil return pipe (45) and bearing (46), described motor (42) pass through
Motor mounting rack (43) is arranged in fan main body (41)；Described bearing (46) is arranged on the left side of motor (42)；Described
Bearing housing oil return pipe (45) is arranged on the left of the middle part of motor (42)；Described fan blade (44) is arranged on the output shaft of motor (42)
On.
2. the negative pressure device as claimed in claim 1 for preventing fan bearing and bearing box oil leakage, it is characterised in that described tune
Section valve (2) uses electromagnetic valve.
3. the negative pressure device as claimed in claim 1 for preventing fan bearing and bearing box oil leakage, it is characterised in that described control
Device (5) processed includes control device shell (51), touch-screen (52), controller (53) and power switch (54), described touch
Screen (52) and power switch (54) are embedded in the preceding surface of control device shell (51) respectively；Described controller (53) is arranged on
The inside of control device shell (51).
4. the negative pressure device as claimed in claim 3 for preventing fan bearing and bearing box oil leakage, it is characterised in that described control
Device (53) processed is specifically using the PLC of the series of mitsubishi FX2N -48.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647337.0U CN207064312U (en) | 2017-06-06 | 2017-06-06 | A kind of negative pressure device for preventing fan bearing and bearing box oil leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647337.0U CN207064312U (en) | 2017-06-06 | 2017-06-06 | A kind of negative pressure device for preventing fan bearing and bearing box oil leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064312U true CN207064312U (en) | 2018-03-02 |
Family
ID=61505529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720647337.0U Expired - Fee Related CN207064312U (en) | 2017-06-06 | 2017-06-06 | A kind of negative pressure device for preventing fan bearing and bearing box oil leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064312U (en) |
-
2017
- 2017-06-06 CN CN201720647337.0U patent/CN207064312U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20190606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |