CN102734224B - Synchronous regulating device with inlet guide blades for high-speed centrifugal fan - Google Patents
Synchronous regulating device with inlet guide blades for high-speed centrifugal fan Download PDFInfo
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- CN102734224B CN102734224B CN201210224654.3A CN201210224654A CN102734224B CN 102734224 B CN102734224 B CN 102734224B CN 201210224654 A CN201210224654 A CN 201210224654A CN 102734224 B CN102734224 B CN 102734224B
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- 230000001360 synchronised effect Effects 0.000 title abstract 3
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Abstract
The invention relates to a synchronous regulating device with inlet guide blades for a high-speed centrifugal fan, which comprises the guide blades, rotating arms, pin shafts, spheres, roller wheels, a rotating ring and a driving arm. Shaft necks of the guide blades are respectively installed in shaft holes uniformly distributed in the circumference at the upper part of an inner worm case to form a first rotating pair; one end of each rotating arm is fixedly connected with the shaft neck of each guide blade through a key, and the other end of the rotating arm is provided with a U-shaped groove and is connected with each sphere to form a spherical motion pair; the spheres are respectively and fixedly arranged in shaft holes uniformly distributed in the circumference of the rotating ring through the hinged shafts; shaft necks of the roller wheels are respectively installed the shaft holes uniformly distributed in the lower part of the inner worm case and form a second rotating pair; and the internal diameter of the rotating ring is respectively tangential to each roller wheel and forms a third rotating pair; and the driving arm is fixedly connected with the rotating ring through a bolt. The synchronous regulating device has the advantages of simple, compact and reasonable structure and low manufacturing cost and is suitable for high-speed centrifugal fans with various specifications.
Description
Technical field
The present invention relates to a kind of synchronizing controls, specifically on a kind of high-speed centrifugal fan for the mechanical device of synchronization regulation entry guide vane angle, belong to mechanical structure technical field.
Background technique
In prior art, high-speed centrifugal fan can make it greater efficiency still can be kept to run when changing flow by regulating entry guide vane, and the adjustment of stator generally adopts the device such as gear, sprocket driving to realize, and complex structure, manufacture cost are high.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thus a kind of synchronizing controls of high-speed centrifugal fan entry guide vane be provided, this controlling device structure is simple, low cost of manufacture.
According to technological scheme provided by the invention, a kind of synchronizing controls of high-speed centrifugal fan entry guide vane comprises 9-21 stator, inner spiral casing, and feature is: also comprise pivoted arm, key, bearing pin, spheroid, roller, rotation circle, driving arm; In a described 9-21 stator, each guide vane teunnion is installed on inner spiral casing upper diameter is respectively form the first revolute pair in the circumferentially uniform axis hole of D1; Described each pivoted arm one end is fixedly connected with the axle journal of each stator respectively by key, and the other end of each pivoted arm has U-type groove and is connected with each spheroid, forms spherical motion secondary; It is in the circumferentially uniform axis hole of the rotation circle of D2 that described each spheroid is separately fixed at internal diameter by bearing pin; The axle journal of described 3 rollers is installed on inner spiral casing lower central circular diameter to be respectively in the uniform axis hole of D3 and to form the second revolute pair; The described internal diameter rotating circle is tangent with each roller respectively and form the 3rd revolute pair; Described driving arm is fixedly connected by bolt and rotation circle.
As a further improvement on the present invention, the center of circle of described inner spiral casing upper diameter D1, rotation circle internal diameter D2, inner spiral casing lower central circular diameter D3 on the same axis.
As a further improvement on the present invention, described inner spiral casing upper diameter D1 is not less than 100mm, and rotate circle internal diameter D2 and be not less than 190mm, inner spiral casing lower central circular diameter D3 is not less than 150mm
As a further improvement on the present invention, described inner spiral casing upper diameter D1< inner spiral casing lower central circular diameter D3< rotates circle internal diameter D2.
Compared with the prior art this have the following advantages with novel:
Structure of the present invention is simple, compact, reasonable, low cost of manufacture, and the high-speed centrifugal fan of applicable all specifications uses; The synchronization regulation to all stators can be realized, be conducive to guaranteeing synchronization regulation precision.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Fig. 2 is I-I sectional view of Fig. 1.
Fig. 3 is the K direction view of Fig. 2.
Embodiment
The present invention below will be further described by reference to the accompanying drawings:
As shown in Figure 1 and Figure 2: the present invention includes stator 1, pivoted arm 2, key 3, bearing pin 4, spheroid 5, roller 6, rotate circle 7, driving arm 8 etc.
The synchronizing controls of high-speed centrifugal fan entry guide vane comprises 9-21 stator 1, pivoted arm 2, key 3, bearing pin 4, spheroid 5, roller 6, rotates circle 7, driving arm 8; In 9-21 stator 1, each guide vane teunnion is installed on inner spiral casing upper diameter is respectively form the first revolute pair in the circumferentially uniform axis hole of D1; Described each pivoted arm 2 one end is fixedly connected with the axle journal of each stator 1 respectively by key 3, and the other end of each pivoted arm 2 has U-type groove and is connected with each spheroid 5 respectively, forms spherical motion secondary; The number of described spheroid 5 is equal with stator.It is in the circumferentially uniform axis hole of the rotation circle 7 of D2 that described each spheroid 5 is separately fixed at internal diameter by bearing pin 4; The axle journal of described 3 rollers 6 is installed on inner spiral casing lower central circular diameter to be respectively in the uniform axis hole of D3 and to form the second revolute pair; The internal diameter of described rotation circle 7 is tangent with each roller 6 respectively and form the 3rd revolute pair; Described driving arm 8 is fixedly connected by bolt and rotation circle 7.
The center of circle of described inner spiral casing upper diameter D1, rotation circle internal diameter D2, inner spiral casing lower central circular diameter D3 on the same axis, described inner spiral casing upper diameter D1 is not less than 100mm, rotate circle internal diameter D2 and be not less than 190mm, inner spiral casing lower central circular diameter D3 is not less than 150mm, and described inner spiral casing upper diameter D1< inner spiral casing lower central circular diameter D3< rotates circle internal diameter D2.
Driving arm 8 is under the effect of driving force F, rotation circle 7 is made to be that the axis of D3 rotates along arrow A direction around central diameter, the each spheroid 5 be fixedly connected with it does corresponding rotation, pivoted arm 2 is driven to rotate along arrow B direction around stator 1 axle journal axis by spheroid 5, pivoted arm 2 drives stator 1 to do corresponding rotation around its axle journal axis by key 3, thus the synchronization regulation achieved all stators, be conducive to guaranteeing synchronization regulation precision.
Claims (1)
1. a synchronizing controls for high-speed centrifugal fan entry guide vane, comprises 9-21 stator (1), inner spiral casing, also comprises pivoted arm (2), key (3), bearing pin (4), spheroid (5), roller (6), rotates circle (7), driving arm (8); Described each pivoted arm (2) one end is fixedly connected with the axle journal of each stator (1) respectively by key (3), and the other end of each pivoted arm (2) has U-type groove and is connected with each spheroid (5), forms spherical motion secondary; It is in the circumferentially uniform axis hole of the rotation circle (7) of D2 that described each spheroid (5) is separately fixed at internal diameter by bearing pin (4); Described driving arm (8) encloses (7) by bolt with rotation and is fixedly connected;
It is characterized in that: in a described 9-21 stator (1), each guide vane teunnion is installed on inner spiral casing upper diameter is respectively form the first revolute pair in the circumferentially uniform axis hole of D1; The axle journal of 3 described rollers (6) is installed on inner spiral casing lower central circular diameter to be respectively in the uniform axis hole of D3 and to form the second revolute pair; The described internal diameter rotating circle (7) is tangent with each roller (6) respectively and form the 3rd revolute pair;
The center of circle of described inner spiral casing upper diameter D1, rotation circle internal diameter D2, inner spiral casing lower central circular diameter D3 on the same axis;
Described inner spiral casing upper diameter D1 is not less than 100mm, and rotate circle internal diameter D2 and be not less than 190mm, inner spiral casing lower central circular diameter D3 is not less than 150mm;
Described inner spiral casing upper diameter D1< inner spiral casing lower central circular diameter D3< rotates circle internal diameter D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224654.3A CN102734224B (en) | 2012-06-29 | 2012-06-29 | Synchronous regulating device with inlet guide blades for high-speed centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224654.3A CN102734224B (en) | 2012-06-29 | 2012-06-29 | Synchronous regulating device with inlet guide blades for high-speed centrifugal fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102734224A CN102734224A (en) | 2012-10-17 |
| CN102734224B true CN102734224B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210224654.3A Active CN102734224B (en) | 2012-06-29 | 2012-06-29 | Synchronous regulating device with inlet guide blades for high-speed centrifugal fan |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI518250B (en) | 2013-11-01 | 2016-01-21 | 財團法人工業技術研究院 | Inlet guide vane device |
| CN104048314A (en) * | 2014-06-26 | 2014-09-17 | 江苏博格东进管道设备有限公司 | Anti-vibration adjustable air door |
| CN111350696A (en) * | 2020-04-30 | 2020-06-30 | 庆安集团有限公司 | Guide vane adjusting structure for centrifugal compressor |
| CN217976643U (en) * | 2022-09-15 | 2022-12-06 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | Air inlet adjusting valve and compressor with same |
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| CN201358961Y (en) * | 2009-01-21 | 2009-12-09 | 长沙埃尔压缩机有限责任公司 | Inlet prerotator and high-speed centrifugal blower therewith |
| CN101725568A (en) * | 2009-11-20 | 2010-06-09 | 无锡杰尔压缩机有限公司 | Diffusion guide vane synchronous adjusting mechanism of high-speed centrifugal fan |
| WO2011056167A1 (en) * | 2009-11-03 | 2011-05-12 | Ingersoll-Rand Company | Inlet guide vane for a compressor |
| CN201865979U (en) * | 2010-11-30 | 2011-06-15 | 重庆江增机械有限公司 | Inlet guide blade pre-screwing mechanism for centrifugal compressor |
| CN102261344A (en) * | 2011-08-31 | 2011-11-30 | 无锡杰尔压缩机有限公司 | Synchronous regulating device of high-speed centrifugal fan outlet guide vane |
| CN202833322U (en) * | 2012-06-29 | 2013-03-27 | 无锡杰尔压缩机有限公司 | Synchronous adjusting device of high-speed centrifugal fan inlet guide blades |
-
2012
- 2012-06-29 CN CN201210224654.3A patent/CN102734224B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201358961Y (en) * | 2009-01-21 | 2009-12-09 | 长沙埃尔压缩机有限责任公司 | Inlet prerotator and high-speed centrifugal blower therewith |
| WO2011056167A1 (en) * | 2009-11-03 | 2011-05-12 | Ingersoll-Rand Company | Inlet guide vane for a compressor |
| CN101725568A (en) * | 2009-11-20 | 2010-06-09 | 无锡杰尔压缩机有限公司 | Diffusion guide vane synchronous adjusting mechanism of high-speed centrifugal fan |
| CN201865979U (en) * | 2010-11-30 | 2011-06-15 | 重庆江增机械有限公司 | Inlet guide blade pre-screwing mechanism for centrifugal compressor |
| CN102261344A (en) * | 2011-08-31 | 2011-11-30 | 无锡杰尔压缩机有限公司 | Synchronous regulating device of high-speed centrifugal fan outlet guide vane |
| CN202833322U (en) * | 2012-06-29 | 2013-03-27 | 无锡杰尔压缩机有限公司 | Synchronous adjusting device of high-speed centrifugal fan inlet guide blades |
Also Published As
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| CN102734224A (en) | 2012-10-17 |
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Address after: 214101 No. 38, Qian Lian Road, Xishan Economic Development Zone, Xishan District, Jiangsu, Wuxi Patentee after: GL-TURBO LLC Address before: 214192 Jiangsu Province, Wuxi city Xishan District of Xishan Economic Development Zone in three Furong Road No. 99 building six room 507 zuiun Patentee before: GL-TURBO Compressor, LLC |
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Denomination of invention: Synchronous regulating device with inlet guide blades for high-speed centrifugal fan Effective date of registration: 20180327 Granted publication date: 20150422 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Xishan branch Pledgor: GL-TURBO LLC Registration number: 2018990000233 |
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Date of cancellation: 20201014 Granted publication date: 20150422 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Xishan branch Pledgor: GL-TURBO LLC Registration number: 2018990000233 |
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Denomination of invention: A Synchronous Regulating Device for Inlet Guide Vanes of High Speed Centrifugal Fans Effective date of registration: 20221128 Granted publication date: 20150422 Pledgee: Bank of China Limited Wuxi Branch Pledgor: GL-TURBO LLC Registration number: Y2022980023686 |
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Date of cancellation: 20231226 Granted publication date: 20150422 Pledgee: Bank of China Limited Wuxi Branch Pledgor: GL-TURBO LLC Registration number: Y2022980023686 |
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Denomination of invention: A synchronous adjustment device for the inlet guide vanes of a high-speed centrifugal fan Effective date of registration: 20231229 Granted publication date: 20150422 Pledgee: Bank of China Limited Wuxi Branch Pledgor: GL-TURBO LLC Registration number: Y2023980075408 |
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