CN104847704B - A kind of instant machinery adjusting stator established angle - Google Patents
A kind of instant machinery adjusting stator established angle Download PDFInfo
- Publication number
- CN104847704B CN104847704B CN201510222307.0A CN201510222307A CN104847704B CN 104847704 B CN104847704 B CN 104847704B CN 201510222307 A CN201510222307 A CN 201510222307A CN 104847704 B CN104847704 B CN 104847704B
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- stator
- wheel hub
- adjustment axis
- axis
- prism
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- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of instant machinery adjusting stator established angle.Purpose is that the device providing should be able to play optimum performance under different operating modes immediately, and has the laborsaving convenient feature of regulation.Technical scheme is：A kind of instant machinery adjusting stator established angle, including positioned at casing upstream and the stator wheel hub being arranged in fan casing with casing coaxial line, several stator blades being circumferentially distributed on stator wheel hub outer circumference surface；It is characterized in that several stator blades described are rotationally hinged on stator wheel hub outer circumference surface respectively, separately there is a governor motion to drive and control the rotational angle of stator blade；Described governor motion includes one can be along fan casing axis is mobile and incline quantity is converted to geosynclinal block fit structure and the regulation motor to prism adjustment axis applying axial thrust that stator blade rotates around hinge axes with stator blade quantity identical prism adjustment axis, by the movement of prism adjustment axis.
Description
Technical field
The invention belongs to fluid control technology field, more particularly, to a kind of instant machinery adjusting stator established angle.
Background technology
Rotating machinery is widely used in the departments such as electric power, petrochemical industry, metallurgy and Aero-Space.Taking axial flow blower as a example, for
Small hub or the little blower fan of power, usually no longer arrange stator using an impeller.This scheme is because structure is simple, manufacture
Convenient, so application is wider.Require higher occasion at some in addition it is also necessary to install stator on axial flow blower, to improve blower fan
Overall performance.Wherein, pilot blade make air-flow produce before entering impeller negative prewhirl, air quantity, blast can be changed, improve blower fan
Adjust efficiency；The kinetic energy of deflection air-flow the airflow direction cycle flowed out through impeller axially, is changed into static pressure by rear guide vane simultaneously
Can, significantly improve static pressure efficiency, improve the operating serviceability of blower fan.
In actual applications, stator generally just blade is welded on wheel hub in a pre-installation, and its established angle is by whirler
Optimum embedding angle when tool runs under standard condition determines.But, rotating machinery generally requires to work under different operating modes, this
Allow for the possible simultaneously nonoptimal value of stator established angle fixed.If it is desired to changing stator established angle, it usually needs shut down simultaneously
The stator that in replacement, established angle matches, do so not only wastes time and energy, and often so, is also a kind of consume in itself to machinery.
Therefore, in the urgent need to designing a kind of instant machinery adjusting stator established angle, to realize under different operating modes,
The purpose of rotating machinery optimum efficiency can immediately be reached.
Content of the invention
The purpose of the present invention is to overcome the shortcomings of above-mentioned background technology, provides a kind of instant machinery adjusting stator established angle
Device, this device should be able to play optimum performance under different operating modes immediately, and has the laborsaving convenient feature of regulation.
The present invention provide technical scheme be：A kind of instant machinery adjusting stator established angle, including positioned at casing
If upstream and be arranged in fan casing with casing coaxial line stator wheel hub, be circumferentially distributed on stator wheel hub outer circumference surface
Dry stator blade；It is characterized in that several stator blades described are rotationally hinged on stator wheel hub outer circumference surface respectively
On, separately there is a governor motion to drive and control the rotational angle of stator blade；
Described governor motion includes one and can move along fan casing axis and incline quantity and stator blade quantity identical
Prism adjustment axis, the movement of prism adjustment axis is converted to the geosynclinal block fit structure that stator blade rotates around hinge axes and right
Prism adjustment axis apply the regulation motor of axial thrust.
Described prism adjustment axis are positioned at stator hub inner lumen by a translation structure；This translation structure includes being arranged in leads
Impeller boss inner chamber and several slip poles parallel to fan casing axis and be opened in prism adjustment axis right-hand member and with institute
State the slide opening that slip pole coordinates one by one.
In described geosynclinal block fit structure：The stator jointed shaft being connected as a single entity with stator blade passes through stator wheel hub stretching into lead
Fix with a sliding sleeve after impeller boss inner chamber, an also hinged slide block with the slide bar that this sliding sleeve is slidably matched；Described prism adjustment axis
Each side is all formed with one with the length direction bevel of incline and the straight runner slidably chimeric with described slide block.
Described regulation motor passes through a screw mechanism and applies axial thrust to prism adjustment axis；This screw mechanism includes making
In the screw of prism adjustment axis left end and be fixed on the screw rod adjusting on motor output shaft and with screw cooperation.
The inner chamber its right end face of described stator wheel hub also fixes an incline quantity and stator blade quantity identical prism set
Cylinder；Its right end face of prism sleeve makes has several to be beneficial to the perforation that slip pole is passed through, and each side also makes one respectively
The long chute vertical with incline length direction, described slide block embeds described straight runner after passing through described long chute again.
Described stator jointed shaft axis is vertical and intersects at fan casing axis.
The stator jointed shaft axis of several stator blades described is respectively positioned on same flat perpendicular to fan casing axis
Face.
Described stator wheel hub is fixed in fan casing by blade carrier.
The operation principle of the present invention is following (referring to Fig. 1)：
Switch on power, the impeller 9 of axial flow blower starts to rotate；Rotated according to the change control and regulation motor 2 of operating mode, that is, drive
Move fixing screw rod 10 on its output shaft, screw rod 10 is meshed with the internal thread hole of prism adjustment axis 11 air intake (left end), makes
Prism adjustment axis 11 slide axially on 4 slip poles 17；The slide block 15 hinged with slide bar is then subject to prism adjustment axis 11 side
The constraint of the long chute of the straight runner in face and prism sleeve 18 side, simultaneously along straight runner and long slide；As a result, slide bar
It is driven and is slidably matched with sliding sleeve, drive sliding sleeve around stator jointed shaft axis oscillating simultaneously again, start to solid with sliding sleeve
The established angle of fixed stator blade 5 is adjusted.When reaching peak efficiency under this operating mode for the axial flow blower, control and regulation electricity
Machine 2 stops operating, it is achieved thereby that immediately adjusting the purpose of stator established angle.
The invention has the beneficial effects as follows：
Due to being adjusted to stator established angle as required, thus changing air quantity, blast, improve the quiet of blower fan
Pressure efficiency is so as to immediately play optimum performance under different operating modes, thus significantly improves the operating serviceability of blower fan, improves
The work efficiency of blower fan；And when adjusting, only need to enable regulation motor, not only adjust laborsaving convenience moreover it is possible to guarantee to adjust
Precision, meets the needs of users.
Brief description
Fig. 1 is the schematic view of the mounting position of the present invention.
Fig. 2 is the cross section structure diagram (removing the view after part stator wheel hub and part prism sleeve) of the present invention.
Fig. 3 is that in the present invention, slip pole and the annexation schematic diagram of prism sleeve and stator wheel hub (remove regulation electricity
Machine, stator blade and prism adjustment axis) perspective view (after removing part stator wheel hub and part prism sleeve
View).
Fig. 4 is one of perspective view of prism adjustment axis of the present invention.
Fig. 5 is the two of the perspective view of prism adjustment axis of the present invention.
Fig. 6 is the perspective view of prism sleeve of the present invention.
Fig. 7 is the perspective view that stator of the present invention is adjusted.
Specific embodiment
The invention will be further described for described embodiment (supporting with axial flow blower) below in conjunction with the accompanying drawings.
As Figure 1-Figure 2, a kind of instant machinery adjusting stator established angle, including fan casing 1, adjusts motor
2nd, stator wheel hub 3, blade carrier 4, stator blade 5, rotor electric machine 6, casing 7, casing support 8, impeller 9, screw rod 10, prism are adjusted
Nodal axisn 11, stator jointed shaft 12, bearing pin 13, slide bar 14, slide block 15, sliding sleeve 16, slip pole 17 and prism sleeve 18.
In figure：Casing 7 is fixed on the downstream (outlet air end) of fan casing 1 inner vane wheel hub 3 by casing support 8, protects
Card impeller 9 is coaxial with blower fan runner；Rotor electric machine 6 is arranged in casing 7；The wheel hub phase of the output shaft of rotor electric machine 6 and impeller 9
Connect, control the rotation of impeller 9；Stator wheel hub 3 equipped with stator blade 5 is arranged on the upstream (air intake) of impeller.It is more than
The conventional structure of axial flow blower.
The improvement of the present invention is：Several stator blades described are rotatably positioned respectively in stator wheel hub outer circumference surface
On, and driven and controlled by a governor motion rotational angle of stator blade.
Described governor motion includes one can be along the prism adjustment axis 11 of fan casing axis movement, by the shifting of prism adjustment axis
Dynamic be converted to geosynclinal block fit structure and the tune to prism adjustment axis applying axial thrust that stator blade rotates around hinge axes
Section motor 2.
Stator wheel hub 3 is fixed on fan casing 1 inside it is ensured that stator wheel hub 3 is same with blower fan runner by blade carrier 4
Axle；Adjust the outside that motor is fixed on stator wheel hub 3 air intake；Adjust the output shaft connecting screw rod 10 of motor.
As shown in figure 3, described prism adjustment axis are positioned at stator hub inner lumen by a translation structure；This translation structure bag
Include and be arranged in stator wheel hub and several slip poles 17 parallel to fan casing axis and be opened in prism adjustment axis
Right-hand member and the slide opening 11-2 coordinating one by one with described slip pole.The right-hand member of slip pole 17 is fixed on stator wheel hub 3 outlet air end
Inner side end, as prism adjustment axis slideway in axial sliding；Thus select many slip poles can mitigate every pole
Load, 4 slip poles that the present embodiment selects and square arrangement, the axis of stator wheel hub 3 passes through foursquare center
Point.
As shown in Figure 3, Figure 4, the incline quantity of prism adjustment axis 11 is identical with stator blade 5 quantity；Prism adjustment axis 11
Each side all have a straight runner 11-1 with incline length direction (parallel to prism adjustment axis axis) bevel；This cunning
Slot cross-section is preferably " convex " shape, and straight runner needs the scope controlling to determine with the angle in side length direction by stator established angle；
The air intake (left end) of prism adjustment axis 11 has an internal thread hole 11-3, and be meshed (composition screw mechanism) with screw rod 10；Rib
The outlet air end of post adjustment axis 11 has 4 slide opening 11-2, and slip pole 17 passes through these slide openings correspondingly respectively so that prism
Adjustment axis 11 can be slid axially on slip pole.
As shown in fig. 6, the incline quantity of described prism sleeve 18 is identical with stator blade 5 quantity；Prism sleeve 18 every
Individual side is formed with a long chute 18-1 perpendicular to incline length direction, and its right end face is formed with bolt hole and 4 cooperations are slided
The perforation 18-2 of dynamic pole；It is (right that the end face of prism sleeve is fixed on stator wheel hub 3 outlet air end by bolt, nut and spring shim
End) end face inner side, 4 slip poles 17 then pass through 4 perforation of end face respectively correspondingly it is ensured that prism sleeve and rib
The corresponding side surface of post adjustment axis 11 is parallel and gap is consistent.
As shown in fig. 7, in described geosynclinal block fit structure：Stator blade 5 is hinged on stator wheel hub outer circumference surface, and stator cuts with scissors
Spindle 12 radial direction is passed through stator wheel hub and is fixed with a sliding sleeve 16 after stretching into stator hub inner lumen；Slide bar 14 can be inserted in this sliding sleeve
It is slidably matched, and its one end is also by bearing pin 13 hinged (hinge axes are vertical with slide bar axis) one slide block 15；Described
The lower end of slide block 15 is cube 15-1, corresponding with the straight runner 11-1 of prism adjustment axis 11 side chimeric and slide, and cunning
The cylindrical section 15-2 of block 15 upper end is also interspersed in the long chute 18-1 of prism sleeve 18 side so that slide block and slide bar can essences
Really stably slide in respective slideway.The adjustment structure of each stator blade 5 should be completely the same, to reach adjusted in concert
Effect.
The above is a case study on implementation of the present invention, not limits the scope of the claims of the present invention.Therefore, every foundation
The technical spirit of the present invention, makees simple modification and various similar change to the present invention, is included in the patent protection model of the present invention
Within enclosing.
Claims (7)
1. a kind of instant machinery adjusting stator established angle, arranges including positioned at casing (7) upstream and with casing coaxial line
Stator wheel hub (3) in fan casing (1), circumferentially it is distributed on several stator blades (5) of stator wheel hub outer circumference surface；
It is characterized in that several stator blades described are rotationally hinged on stator wheel hub outer circumference surface respectively, separately there is a regulation machine
Structure drives and controls the rotational angle of stator blade；
Described governor motion includes one and can move along fan casing axis and incline quantity and stator blade quantity identical prism
Adjustment axis (11), the movement of prism adjustment axis is converted to the geosynclinal block fit structure that stator blade rotates around hinge axes and right
Prism adjustment axis apply the regulation motor (2) of axial thrust；
Described prism adjustment axis are positioned at stator hub inner lumen by a translation structure；This translation structure includes being arranged in guide vane wheel
Hub inner chamber and several slip poles (17) parallel to fan casing axis and be opened in prism adjustment axis right-hand member and with institute
State the slide opening (11-2) that slip pole coordinates one by one.
2. according to claim 1 instant adjust stator established angle machinery it is characterised in that：Described regulation motor
Axial thrust is applied to prism adjustment axis by a screw mechanism；This screw mechanism includes being produced on the spiral shell of prism adjustment axis left end
Hole (11-3) and the screw rod (10) being fixed on regulation motor output shaft and coordinating with screw.
3. according to claim 2 instant adjust stator established angle machinery it is characterised in that：Described geosynclinal block cooperation
In structure：The stator jointed shaft (12) being connected as a single entity with stator blade is passed through stator wheel hub and stretches into after stator hub inner lumen with one
Sliding sleeve (16) is fixing, the also hinged slide block (15) of the slide bar (14) being slidably matched with this sliding sleeve；Each of described prism adjustment axis
Side is all formed with one with the length direction bevel of incline and the straight runner (11-1) slidably chimeric with described slide block.
4. according to claim 3 instant adjust stator established angle machinery it is characterised in that：Described stator wheel hub
Its right end face of inner chamber also fixes an incline quantity and stator blade quantity identical prism sleeve (18)；The right-hand member of prism sleeve
Face makes have several to be beneficial to perforation (18-2) that slip pole is passed through, each side also make respectively one with incline length direction
Vertical long chute (18-1), described slide block embeds described straight runner after passing through described long chute again.
5. according to claim 4 instant adjust stator established angle machinery it is characterised in that：Described stator is hinged
Axle axis is vertical and intersects at fan casing axis.
6. according to claim 5 instant adjust stator established angle machinery it is characterised in that：Described several are led
The stator jointed shaft axis of leaf blade is respectively positioned on the same plane perpendicular to fan casing axis.
7. according to claim 6 instant adjust stator established angle machinery it is characterised in that：Described guide vane wheel
Hub is fixed in fan casing by blade carrier (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510222307.0A CN104847704B (en) | 2015-05-04 | 2015-05-04 | A kind of instant machinery adjusting stator established angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510222307.0A CN104847704B (en) | 2015-05-04 | 2015-05-04 | A kind of instant machinery adjusting stator established angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847704A CN104847704A (en) | 2015-08-19 |
| CN104847704B true CN104847704B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510222307.0A Expired - Fee Related CN104847704B (en) | 2015-05-04 | 2015-05-04 | A kind of instant machinery adjusting stator established angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847704B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594198B (en) * | 2019-10-30 | 2020-10-16 | 辽宁工程技术大学 | Air inlet prerotator with adjustable blade angle |
| CN112901530B (en) * | 2021-01-28 | 2022-04-19 | 宁波方太厨具有限公司 | Air heater for cooking device and double-fan oven |
| CN114963483B (en) * | 2021-02-20 | 2023-07-07 | 浙江盾安人工环境股份有限公司 | Liquid separator |
| CN114542515B (en) * | 2022-03-08 | 2024-05-03 | 大连海事大学 | Series inlet adjustable guide vane mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042191C1 (en) * | 1980-11-05 | 1982-04-01 | Gebrüder Sulzer AG, 8401 Winterthur | Adjustment device for the guide vanes of an axial compressor |
| JPS5859400A (en) * | 1981-10-02 | 1983-04-08 | Hitachi Ltd | Apparatus for varying setting angle of stator blades of multi-stage axial-flow compressor |
| CN2150372Y (en) * | 1992-09-28 | 1993-12-22 | 中国船舶工业总公司第七研究院第七○三研究所 | Rotating mechanism of guide-vane for fan |
| CN201568327U (en) * | 2009-12-29 | 2010-09-01 | 李宏业 | Axial flow fan |
| CN101922316A (en) * | 2009-01-06 | 2010-12-22 | 通用电气公司 | Variable position guide vane actuation system and method |
| CN202560636U (en) * | 2012-02-29 | 2012-11-28 | 北京建筑工程学院 | Electronically controlled rotary-blade-adjustable axial-flow fan |
| CN202811539U (en) * | 2012-07-27 | 2013-03-20 | 上海鼓风机厂有限公司 | Low-temperature fan inlet flow adjusting device |
| CN204755404U (en) * | 2015-05-04 | 2015-11-11 | 浙江理工大学 | Immediately, adjust mechanical device of stator clamping angle |
-
2015
- 2015-05-04 CN CN201510222307.0A patent/CN104847704B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042191C1 (en) * | 1980-11-05 | 1982-04-01 | Gebrüder Sulzer AG, 8401 Winterthur | Adjustment device for the guide vanes of an axial compressor |
| JPS5859400A (en) * | 1981-10-02 | 1983-04-08 | Hitachi Ltd | Apparatus for varying setting angle of stator blades of multi-stage axial-flow compressor |
| CN2150372Y (en) * | 1992-09-28 | 1993-12-22 | 中国船舶工业总公司第七研究院第七○三研究所 | Rotating mechanism of guide-vane for fan |
| CN101922316A (en) * | 2009-01-06 | 2010-12-22 | 通用电气公司 | Variable position guide vane actuation system and method |
| CN201568327U (en) * | 2009-12-29 | 2010-09-01 | 李宏业 | Axial flow fan |
| CN202560636U (en) * | 2012-02-29 | 2012-11-28 | 北京建筑工程学院 | Electronically controlled rotary-blade-adjustable axial-flow fan |
| CN202811539U (en) * | 2012-07-27 | 2013-03-20 | 上海鼓风机厂有限公司 | Low-temperature fan inlet flow adjusting device |
| CN204755404U (en) * | 2015-05-04 | 2015-11-11 | 浙江理工大学 | Immediately, adjust mechanical device of stator clamping angle |
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| Publication number | Publication date |
|---|---|
| CN104847704A (en) | 2015-08-19 |
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