CN106402168A - Structure of pressure relief hole capable of reducing axial force - Google Patents
Structure of pressure relief hole capable of reducing axial force Download PDFInfo
- Publication number
- CN106402168A CN106402168A CN201611047513.3A CN201611047513A CN106402168A CN 106402168 A CN106402168 A CN 106402168A CN 201611047513 A CN201611047513 A CN 201611047513A CN 106402168 A CN106402168 A CN 106402168A
- Authority
- CN
- China
- Prior art keywords
- annular
- chamber
- bleeder port
- air relief
- relief hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/005—Cooling of bearings of magnetic bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a structure of a pressure relief hole capable of reducing axial force. The structure comprises a bearing pedestal which is provided with an axle hole for mounting a rotor; an annular pressure relief chamber is arranged along the circumferential direction of the axle hole; the bearing pedestal is provided with a first air relief hole, a second air relief hole and an annular air relief chamber; the annular air relief chamber is arranged along the circumferential direction of the axle hole; the first air relief hole is formed along the radial direction of the axle hole; one end of the first air relief hole communicates with the annular pressure relief chamber, and the other end of the first air relief hole communicates with the annular air relief chamber; the second air relief hole is formed in the outer side of the annular air relief chamber; one end of the second air relief hole communicates with the annular air relief chamber, and the other end of the second air relief hole communicates with external air. The structure disclosed by the invention is simple in structure and has the advantages of preventing released air from entering the bearing pedestal, preventing internal heat accumulation and effectively preventing faults caused by temperature increment inside the equipment.
Description
Technical field：
The present invention relates to a kind of structure of the relief hole reducing axial force.
Background technology：
Upward pressure to reduce magnetic bearing axial side, the gas in impeller lower endless pressure-releasing chamber 18 will be entered, lead to
Cross bleeder port and discharge a part.Existing bleeder port is opened in the top of magnetic bearing 10, and gas enters magnetic bearing after discharging, and enters back into
Casing internal, makes internal heat increase, equipment easily breaks down.
Therefore, it is necessory to improve prior art to solve the deficiency of prior art.
Content of the invention：
The present invention is to provide a kind of relief hole reducing axial force to solve the problems, such as above-mentioned prior art
Structure.
The technical solution adopted in the present invention has：A kind of structure of the relief hole reducing axial force, including bearing block, described
Bearing block is provided with the axis hole for installing rotor, and the circumferencial direction along axis hole is provided with annular pressure-releasing chamber, on described bearing block
It is provided with the first bleeder port, the second bleeder port and the disappointing chamber of annular, described annular loses heart chamber along the circumferencial direction setting of axis hole, the
One bleeder port along the radial direction setting of axis hole, and the two ends of the first bleeder port respectively with annular pressure-releasing chamber and annular disappointing chamber phase
Insertion, the second bleeder port is located at the outside in the disappointing chamber of annular, and one end of the second bleeder port is connected with annular chamber of losing heart, another
End is connected with outside air.
Further, described second bleeder port is located at the lower section of the first bleeder port.
Further, described first bleeder port and the second bleeder port are equipped with several.
The present invention has the advantages that：Present configuration is simple, it can be avoided that pressure release gas enters inside bearing block,
Avoid internal heat to increase, effectively prevent the fault producing because device interior temperature raises.
Brief description：
Fig. 1 is the structure chart of the present invention.
Specific embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of structure of the relief hole reducing axial force of the present invention, including bearing block 1, bearing block 1 sets
There is the axis hole 10 for installing magnetic bearing, the circumferencial direction along axis hole 10 is provided with annular pressure-releasing chamber 18.
First bleeder port 11, the second bleeder port 12 and the disappointing chamber 13 of annular, the disappointing chamber 13 of annular are provided with bearing block 1
Along the circumferencial direction setting of axis hole 10, the first bleeder port 11 is along the radial direction setting of axis hole 10, and the two of the first bleeder port 11
End is connected with annular pressure-releasing chamber 18 and the disappointing chamber 13 of annular respectively, the second bleeder port 12 along axis hole 10 radial direction located at ring
Shape is lost heart the outside in chamber 13, and disappointing chamber 13 connects with annular for one end of the second bleeder port 12, the other end and outside air phase
Connection.
The second bleeder port 12 in the present invention is located at the lower section of the first bleeder port 11.Hot-air in bearing block 1 passes through the
One bleeder port 11 drains into annular and loses heart in chamber 13, then is discharged outside bearing block 1 by the second bleeder port 12, decreases the heat of inside
Amount.
For increasing the pressure release effect of the present invention, the first bleeder port 11 and the second bleeder port 12 are equipped with several.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, some improvement can also be made under the premise without departing from the principles of the invention, these improvement also should be regarded as the present invention's
Protection domain.
Claims (3)
1. a kind of structure of the relief hole reducing axial force, including bearing block (1), described bearing block (1) is provided with for installing
The axis hole (10) of rotor, the circumferencial direction along axis hole (10) be provided with annular pressure-releasing chamber (18) it is characterised in that：Described bearing block
(1) it is provided with the first bleeder port (11), the second bleeder port (12) and the disappointing chamber (13) of annular,
Described annular loses heart chamber (13) along the circumferencial direction setting of axis hole (10), and the first bleeder port (11) is along the radial direction of axis hole (10)
Direction is arranged, and the two ends of the first bleeder port (11) are connected with annular pressure-releasing chamber (18) and the disappointing chamber (13) of annular respectively, the
Two bleeder ports (12) are located at the outside in the disappointing chamber (13) of annular, and one end of the second bleeder port (12) and disappointing chamber (13) phase of annular
Insertion, the other end is connected with outside air.
2. as claimed in claim 1 reduce axial force relief hole structure it is characterised in that：Described second bleeder port (12)
Lower section positioned at the first bleeder port (11).
3. as claimed in claim 2 reduce axial force relief hole structure it is characterised in that：Described first bleeder port (11)
It is equipped with several with the second bleeder port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047513.3A CN106402168A (en) | 2016-11-21 | 2016-11-21 | Structure of pressure relief hole capable of reducing axial force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047513.3A CN106402168A (en) | 2016-11-21 | 2016-11-21 | Structure of pressure relief hole capable of reducing axial force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402168A true CN106402168A (en) | 2017-02-15 |
Family
ID=58081529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611047513.3A Pending CN106402168A (en) | 2016-11-21 | 2016-11-21 | Structure of pressure relief hole capable of reducing axial force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402168A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2118715C1 (en) * | 1996-09-30 | 1998-09-10 | Конструкторское бюро химавтоматики | Pump rotor axial load relief device |
| CN101113741A (en) * | 2006-07-26 | 2008-01-30 | 上海新沪电机厂有限公司 | Automatic balance device for shielding force at direction of pump spindle |
| CN204239330U (en) * | 2014-11-04 | 2015-04-01 | 浙江丰源泵业有限公司 | The pressure reduction structure in mechanical seal chamber |
| CN206206419U (en) * | 2016-11-21 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of structure of the relief hole for reducing axial force |
-
2016
- 2016-11-21 CN CN201611047513.3A patent/CN106402168A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2118715C1 (en) * | 1996-09-30 | 1998-09-10 | Конструкторское бюро химавтоматики | Pump rotor axial load relief device |
| CN101113741A (en) * | 2006-07-26 | 2008-01-30 | 上海新沪电机厂有限公司 | Automatic balance device for shielding force at direction of pump spindle |
| CN204239330U (en) * | 2014-11-04 | 2015-04-01 | 浙江丰源泵业有限公司 | The pressure reduction structure in mechanical seal chamber |
| CN206206419U (en) * | 2016-11-21 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of structure of the relief hole for reducing axial force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |