CN202833322U - Synchronous adjusting device of high-speed centrifugal fan inlet guide blades - Google Patents
Synchronous adjusting device of high-speed centrifugal fan inlet guide blades Download PDFInfo
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- CN202833322U CN202833322U CN 201220315206 CN201220315206U CN202833322U CN 202833322 U CN202833322 U CN 202833322U CN 201220315206 CN201220315206 CN 201220315206 CN 201220315206 U CN201220315206 U CN 201220315206U CN 202833322 U CN202833322 U CN 202833322U
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- inner spiral
- speed centrifugal
- spiral casing
- centrifugal fan
- diameter
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Abstract
The utility model relates to a synchronous adjusting device of high-speed centrifugal fan inlet guide blades. The synchronous adjusting device of the high-speed centrifugal fan inlet guide blades comprises guide blades, rotary arms, pin shafts, ball bodies, idler wheels, a rotary circle and a driving arm. Each guide blade shaft neck is respectively installed in one of shaft holes which are evenly distributed on the circumference of the upper portion of an inner volute to form a first rotary pair. One end of each driving arm is respectively and fixedly connected with each guide blade shaft neck, and a U-shaped groove is formed at the other end of each driving arm and connected with each ball body to form a ball face moving pair. Each ball body is respectively fixed in one of shaft holes which are evenly distributed in the circumference of the rotary circle. Shaft necks of the idler wheels are respectively installed in shaft holes which are evenly distributed in the lower portion of the inner volute to form second rotary pairs. The inner diameter of the rotary circle is respectively in tangency with each idler wheel to form a third rotary pair. The driving arm is fixedly connected with the rotary circle through a bolt. The synchronous adjusting device of the high-speed centrifugal fan inlet guide blades is simple, compact and reasonable in structure, low in manufacturing cost, and applicable to high-speed centrifugal fans of all models.
Description
Technical field
The utility model relates to a kind of synchronizing controls, specifically is used for the mechanical device of synchronization regulation entry guide vane angle on a kind of high-speed centrifugal fan, belongs to the mechanical structure technical field.
Background technique
In prior art, high-speed centrifugal fan can make it still can keep the greater efficiency operation when changing flow by regulating entry guide vane, and the adjusting of stator generally adopts the devices such as gear, sprocket driving to realize, complex structure, manufacture cost are high.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, thereby a kind of synchronizing controls of high-speed centrifugal fan entry guide vane is provided, and this controlling device is simple in structure, low cost of manufacture.
According to the technological scheme that the utility model provides, 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; Each guide vane teunnion is installed on respectively and forms the first revolute pair in the axis hole uniform on the circumference of inner spiral casing upper diameter D1 in the described 9-21 stator; 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-shaped groove and links to each other with each spheroid, forms spherical motion secondary; Described each spheroid is separately fixed at by bearing pin in the axis hole uniform on the circumference of rotation circle of inside diameter D 2; The axle journal of described 3 rollers is installed on respectively in the uniform axis hole of inner spiral casing lower central circular diameter D3 and forms the second revolute pair; The internal diameter of described rotation circle is tangent with each roller and form the 3rd revolute pair respectively; Described driving arm is fixedly connected by bolt and rotation circle.
As further improvement of the utility model, the center of circle of described inner spiral casing upper diameter D1, rotation circle inside diameter D 2, inner spiral casing lower central circular diameter D3 is on same axis.
As further improvement of the utility model, described inner spiral casing upper diameter D1 is not less than 100mm, and rotation circle inside diameter D 2 is not less than 190mm, and inner spiral casing lower central circular diameter D3 is not less than 150mm.
As further improvement of the utility model, described inner spiral casing upper diameter D1＜inner spiral casing lower central circular diameter D3＜rotation circle inside diameter D 2.
Compared with the prior art this usefulness is novel has the following advantages:
The utility model is simple in structure, compact, reasonable, and low cost of manufacture is used on the high-speed centrifugal fan of suitable all specifications; Can realize the synchronization regulation to all stators, be conducive to guarantee the synchronization regulation precision.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model.
Fig. 2 is the I-I sectional view of Fig. 1.
Fig. 3 is that the K of Fig. 2 is to view.
Embodiment
Following the utility model is further described in connection with accompanying drawing:
As shown in Figure 1 and Figure 2: the utility model comprises stator 1, pivoted arm 2, key 3, bearing pin 4, spheroid 5, roller 6, rotation 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, rotation circle 7, driving arm 8; Each guide vane teunnion is installed on respectively and forms the first revolute pair in the axis hole uniform on the circumference of inner spiral casing upper diameter D1 in 9-21 the stator 1; Described each pivoted arm 2 one end are 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-shaped groove and links to each other with each spheroid 5 respectively, form spherical motion secondary; The number of described spheroid 5 equates with stator.Described each spheroid 5 is separately fixed at by bearing pin 4 in the axis hole uniform on the circumference of rotation circle 7 of inside diameter D 2; The axle journal of described 3 rollers 6 is installed on respectively in the uniform axis hole of inner spiral casing lower central circular diameter D3 and forms the second revolute pair; The internal diameter of described rotation circle 7 is tangent with each roller 6 and form the 3rd revolute pair respectively; 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 inside diameter D 2, inner spiral casing lower central circular diameter D3 is on same axis, described inner spiral casing upper diameter D1 is not less than 100mm, rotation circle inside diameter D 2 is 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＜rotation circle inside diameter D 2.
Driving arm 8 is under the effect of driving force F, making rotation circle 7 is that the axis of D3 rotates along the arrow A direction around central diameter, each spheroid 5 that is fixedly connected is with it done corresponding rotation, driving pivoted arm 2 by spheroid 5 rotates along the arrow B direction around stator 1 axle journal axis, pivoted arm 2 drives stator 1 by key 3 and does corresponding rotation around its axle journal axis, thereby realized the synchronization regulation to all stators, be conducive to guarantee the synchronization regulation precision.
Claims (4)
1. the synchronizing controls of a high-speed centrifugal fan entry guide vane, comprise 9-21 stator (1), inner spiral casing, it is characterized in that: also comprise pivoted arm (2), key (3), bearing pin (4), spheroid (5), roller (6), rotation circle (7), driving arm (8); Each guide vane teunnion is installed on respectively and forms the first revolute pair in the axis hole uniform on the circumference of inner spiral casing upper diameter (D1) in the described 9-21 stator (1); Described each pivoted arm (2) one end are 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-shaped groove and links to each other with each spheroid (5), form spherical motion secondary; Described each spheroid (5) is separately fixed at by bearing pin (4) in the axis hole uniform on the circumference of rotation circle (7) of internal diameter (D2); The axle journal of described 3 rollers (6) is installed on respectively in the uniform axis hole of inner spiral casing lower central circular diameter (D3) and forms the second revolute pair; The internal diameter of described rotation circle (7) is tangent with each roller (6) and form the 3rd revolute pair respectively; Described driving arm (8) is fixedly connected by bolt and rotation circle (7).
2. the synchronizing controls of a kind of high-speed centrifugal fan entry guide vane as claimed in claim 1 is characterized in that: 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) is on same axis.
3. the synchronizing controls of a kind of high-speed centrifugal fan entry guide vane as claimed in claim 1, it is characterized in that: described inner spiral casing upper diameter (D1) is not less than 100mm, rotation circle internal diameter (D2) is not less than 190mm, and inner spiral casing lower central circular diameter (D3) is not less than 150mm.
4. the synchronizing controls of a kind of high-speed centrifugal fan entry guide vane as claimed in claim 1 is characterized in that: described inner spiral casing upper diameter (D1)＜inner spiral casing lower central circular diameter (D3)＜rotation circle internal diameter (D2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315206 CN202833322U (en) | 2012-06-29 | 2012-06-29 | Synchronous adjusting device of high-speed centrifugal fan inlet guide blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315206 CN202833322U (en) | 2012-06-29 | 2012-06-29 | Synchronous adjusting device of high-speed centrifugal fan inlet guide blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833322U true CN202833322U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220315206 Expired - Fee Related CN202833322U (en) | 2012-06-29 | 2012-06-29 | Synchronous adjusting device of high-speed centrifugal fan inlet guide blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833322U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734224A (en) * | 2012-06-29 | 2012-10-17 | 无锡杰尔压缩机有限公司 | Synchronous regulating device with inlet guide blades for high-speed centrifugal fan |
| CN108880100A (en) * | 2017-05-09 | 2018-11-23 | 上海宝钢化工有限公司 | Motor cooling fan capable of being mounted on rotating shafts with multiple specifications |
| CN112112822A (en) * | 2020-09-16 | 2020-12-22 | 江西艾威尔压缩机有限公司 | Centrifugal fan capable of controlling blowing direction |
-
2012
- 2012-06-29 CN CN 201220315206 patent/CN202833322U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734224A (en) * | 2012-06-29 | 2012-10-17 | 无锡杰尔压缩机有限公司 | Synchronous regulating device with inlet guide blades for high-speed centrifugal fan |
| CN102734224B (en) * | 2012-06-29 | 2015-04-22 | 无锡杰尔压缩机有限公司 | Synchronous regulating device with inlet guide blades for high-speed centrifugal fan |
| CN108880100A (en) * | 2017-05-09 | 2018-11-23 | 上海宝钢化工有限公司 | Motor cooling fan capable of being mounted on rotating shafts with multiple specifications |
| CN108880100B (en) * | 2017-05-09 | 2020-01-21 | 宝武炭材料科技有限公司 | Motor cooling fan capable of being mounted on rotating shafts with multiple specifications |
| CN112112822A (en) * | 2020-09-16 | 2020-12-22 | 江西艾威尔压缩机有限公司 | Centrifugal fan capable of controlling blowing direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20160629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |