CN202811538U - Axial flow fan front guide blade adjuster - Google Patents
Axial flow fan front guide blade adjuster Download PDFInfo
- Publication number
- CN202811538U CN202811538U CN 201220354165 CN201220354165U CN202811538U CN 202811538 U CN202811538 U CN 202811538U CN 201220354165 CN201220354165 CN 201220354165 CN 201220354165 U CN201220354165 U CN 201220354165U CN 202811538 U CN202811538 U CN 202811538U
- Authority
- CN
- China
- Prior art keywords
- control ring
- guide blade
- air duct
- air barrel
- guide vane
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An axial flow fan front guide blade adjuster comprises a control ring, an air barrel, bearing seats, guide blades, rotating arm groups, hinging components, guide blade shafts, a mounted bearing, a connecting rod and an operating arm. The guide blade shafts of the adjuster are mounted on the bearing seats which are fixedly mounted on the air barrel, the blades and the guide blade shafts are connectedly mounted inside the air barrel, the hinging components are in locked connection with the guide blade shafts and the control ring through bolts and hinging bolts, the control ring is connected with the air barrel via the rotating arm groups to guarantee the control ring and the air barrel to be in the non-collision state, the control ring is connected with the operating arm through the connecting rod, the mounted bearing is mounted on the air barrel to clamp the operating arm so as to form a rotating arm structure, and the rotating arm structure is used for operating and controlling adjustment of guide blade angles. The axial flow fan front guide blade adjuster has the advantages of adjustment flexibility, reasonable and reliable structure, convenience in overhaul and long service life.
Description
Technical field
The utility model relates to a kind of environmental protection denitration desulfurization pressurization system field, and the flue gas that the utility model specifically is used for metallurgy sintering smoke pressurizing desulfurizing system, seawater desulfurization device is carried a kind of axial-flow blower pilot blade controlling device of the industries such as the sending of pressurization system and large thermal power plant coal fired boiler, air inducing.
Background technique
At present, in the systems such as Chinese large-sized coal burning boiler of power station units gas desulfurization and metallurgy sintering smoke desulfurization, many stator blade adjustable shaft flow type fans have been disposed.Still there is very large problem in domestic stator blade adjustable shaft flow type fan pilot blade controlling device, mainly has following shortcoming in environment protection desulphurization supercharging technological process and system: 1, site installation test is complicated, and maintenance is inconvenient; 2, stuck phenomenon appears in adjusting vane, causes pilot blade fracture to occur; 3, regulation structure is unreasonable, and regulating after long-term the use has dead stroke state, causes total is consisted of very large destruction.
The model utility content
The utility model is intended to overcome above-mentioned technological deficiency, and purpose provides a kind of flexible adjustment, and rational in infrastructure reliable, maintenance is convenient, a kind of axial-flow blower pilot blade controlling device of long service life.
For achieving the above object, the technical solution adopted in the utility model is: be comprised of control ring, air duct, bearing support, stator, pivoted arm group, hinge assembly, guide vane teunnion, rolling bearing units, connecting rod, operating arm.Guide vane teunnion is installed on the bearing support, and bearing support is fixedly mounted on the air duct, and stator and guide vane teunnion are connected and installed in air duct inside; Hinge assembly is connected by bolt, articulation bolt locking respectively with guide vane teunnion, control ring; Control ring is connected by the pivoted arm group with air duct, guarantees that control ring and air duct are in the absence of collision state; By connecting rod control ring is connected with operating arm; Rolling bearing units are installed on the air duct operating arm are clamped the formation pivoted arm structure, the adjusting of operation control stator angle, and it is rational in infrastructure reliable, and maintenance is conveniently.
Description of drawings
Fig. 1 is the schematic representation of the utility model device;
In the drawings: 1, air duct; 2, stator; 3, bearing support; 4, pivoted arm group; 5, control ring; 6, bolt; 7, articulation bolt; 8, hinge assembly; 9, guide vane teunnion; 10, band bearing support; 11, operating arm; 12, connecting rod.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described explanation.
A kind of axial-flow blower pilot blade controlling device is comprised of control ring (5), air duct (1), bearing support (3), stator (2), pivoted arm group (4), hinge assembly (8), guide vane teunnion (9), rolling bearing units (10), connecting rod (12), operating arm (11).Guide vane teunnion (9) is installed on the bearing support (3), and bearing support (3) is fixedly mounted on the air duct (1), and stator (2) is connected and installed in air duct (1) inside with guide vane teunnion (9); Hinge assembly (8) is connected by bolt (6), articulation bolt (7) locking respectively with guide vane teunnion (9), control ring (5); Control ring (5) is connected by pivoted arm group (4) with air duct (1), guarantees that control ring (5) and air duct (1) are in the absence of collision state; By connecting rod (12) control ring (5) is connected with operating arm (11); Rolling bearing units (10) are installed on upper operating arm (11) is clamped of air duct (1) and consist of pivoted arm structure, the adjusting of operation control stator (2) angle; Control ring (5) is middle subdivision structure, and its installation and repairing is convenient.The utility model mainly provides driving force at operating arm (11), and drive control ring (5) and be in circular movement, pulling hinge assembly (8) and guide vane teunnion (9), regulating and controlling stator (2) plays the effect of adjust flux in stator blade adjustable shaft flow type fan.
Therefore, the utlity model has flexible adjustment, rational in infrastructure reliable, maintenance is convenient, the advantage of long service life.
Claims (2)
1. an axial-flow blower pilot blade controlling device is comprised of control ring (5), air duct (1), bearing support (3), stator (2), pivoted arm group (4), hinge assembly (8), guide vane teunnion (9), rolling bearing units (10), connecting rod (12), operating arm (11); It is characterized in that guide vane teunnion (9) is installed on the bearing support (3), bearing support (3) is fixedly mounted on the air duct (1), and stator (2) is connected and installed in air duct (1) inside with guide vane teunnion (9); Hinge assembly (8) is connected by bolt (6), articulation bolt (7) locking respectively with guide vane teunnion (9), control ring (5); Control ring (5) is connected by pivoted arm group (4) with air duct (1), guarantees that control ring (5) and air duct (1) are in the absence of collision state; By connecting rod (12) control ring (5) is connected with operating arm (11); Rolling bearing units (10) are installed on upper operating arm (11) is clamped of air duct (1) and consist of pivoted arm structure, the adjusting of operation control stator (2) angle.
2. axial-flow blower pilot blade controlling device according to claim 1 is characterized in that described control ring (5) is middle subdivision structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354165 CN202811538U (en) | 2012-07-20 | 2012-07-20 | Axial flow fan front guide blade adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354165 CN202811538U (en) | 2012-07-20 | 2012-07-20 | Axial flow fan front guide blade adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811538U true CN202811538U (en) | 2013-03-20 |
Family
ID=47870420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220354165 Expired - Fee Related CN202811538U (en) | 2012-07-20 | 2012-07-20 | Axial flow fan front guide blade adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811538U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557186A (en) * | 2013-11-14 | 2014-02-05 | 武汉大学 | Adjustable axial flow pump with front guide vanes |
| CN105889132A (en) * | 2015-02-16 | 2016-08-24 | 日本电产株式会社 | Static wing unit and forced draught blower |
| CN109826807A (en) * | 2019-01-25 | 2019-05-31 | 武汉新宜搏科技有限公司 | A kind of blower |
| CN110131194A (en) * | 2018-02-09 | 2019-08-16 | 中国航发商用航空发动机有限责任公司 | Adaptive assembled multistage adjustable vane operating mechanism |
| CN110524234A (en) * | 2019-07-31 | 2019-12-03 | 中国航发南方工业有限公司 | Adjust the tooling of guide vane angle, the method that detection compressor guide vane adjusts angle |
-
2012
- 2012-07-20 CN CN 201220354165 patent/CN202811538U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557186A (en) * | 2013-11-14 | 2014-02-05 | 武汉大学 | Adjustable axial flow pump with front guide vanes |
| CN105889132A (en) * | 2015-02-16 | 2016-08-24 | 日本电产株式会社 | Static wing unit and forced draught blower |
| CN105889132B (en) * | 2015-02-16 | 2018-10-16 | 日本电产株式会社 | Quiet wing unit and pressure fan |
| CN109268315A (en) * | 2015-02-16 | 2019-01-25 | 日本电产株式会社 | Quiet wing unit and pressure fan |
| CN110131194A (en) * | 2018-02-09 | 2019-08-16 | 中国航发商用航空发动机有限责任公司 | Adaptive assembled multistage adjustable vane operating mechanism |
| CN109826807A (en) * | 2019-01-25 | 2019-05-31 | 武汉新宜搏科技有限公司 | A kind of blower |
| CN109826807B (en) * | 2019-01-25 | 2020-08-04 | 武汉新宜搏科技有限公司 | Fan |
| CN110524234A (en) * | 2019-07-31 | 2019-12-03 | 中国航发南方工业有限公司 | Adjust the tooling of guide vane angle, the method that detection compressor guide vane adjusts angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130720 |