CN202545313U - Adjusting mechanism for inlet guide vanes of turbine vacuum pump - Google Patents
Adjusting mechanism for inlet guide vanes of turbine vacuum pump Download PDFInfo
- Publication number
- CN202545313U CN202545313U CN2012201213073U CN201220121307U CN202545313U CN 202545313 U CN202545313 U CN 202545313U CN 2012201213073 U CN2012201213073 U CN 2012201213073U CN 201220121307 U CN201220121307 U CN 201220121307U CN 202545313 U CN202545313 U CN 202545313U
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- stator
- guide vane
- drive
- driven
- vacuum pump
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Abstract
An adjusting mechanism for an inlet guide vanes of a turbine vacuum pump belongs to the technical field of fluid machinery and is characterized in that a guide vane block is radially provided a drive guide vane and a driven guide vane set, which are in rotation fit with the guide vane block, the drive guide vane and the driven vane set are peripherally and sequentially arrayed in a cavity of the guide vane block, the outer end of a stalk of the drive guide vane is sleeved to a drive connecting rod and is then in transmission connection with a transmission rod, the transmission rod is in transmission connection with an electric actuator, the outer end of a stalk of each driven guide vane is sleeved to a driven connecting rod, and the drive connecting rod and the driven connecting rods are respectively in transmission connection with a driving flange located at the left end of the guide vane block. The adjusting mechanism is novel in design and compact and reasonable in structure, is capable of adjusting inlet flow by adjusting rotation angle of the inlet guide vanes, has the advantages of low power consumption, wide adjustment range, stable efficiency, low cost, simplicity and reliability in operation and the like, and is highly economical and practical.
Description
Technical field
The utility model belongs to the fluid machinery technical field, is specifically related to a kind of control turbine vacuum pump inlet guide vane controlling mechanism that is applied to turbine vacuum pump duty and degree of vacuum.
Background technique
In the practical application of turbine vacuum pump, the user can require the flow of gas or degree of vacuum are regulated, and the performance curve, operating point that at this moment just need to change vacuum pump are to satisfy user's actual usage requirement.Traditional vaccum pump unit generally adopts the regulative mode that changes the inlet valve aperture or change the vacuum pump rotating speed; Wasted work is bigger when adopting change inlet valve aperture to regulate; Less economical; And regulation range is limited, is being under the background of main flow trend to save energy and reduce the cost, and the mode that this throttling is regulated has not caught up with the paces of technical development; When regulating, the vacuum pump rotating speed also exists the problem that the operation point transfer makes decrease in efficiency when adopting to change.
The model utility content
To the problems referred to above that exist in the existing technology; The utility model aims to provide a kind of ability through regulating the turbine vacuum pump inlet guide vane controlling mechanism that the entry guide vane angle of swing realizes that charge flow rate is regulated; So that inlet air flow produces the prewhirl flow and the degree of vacuum of adjustments of gas, thereby reach the purpose of economic, stable adjusting charge flow rate.
Described turbine vacuum pump inlet guide vane controlling mechanism; It is characterized in that diffuser radially is provided with a slice active stator and the one group of driven stator that is rotatably assorted with it, the blade of a slice active stator and one group of driven stator is arranged in order setting in the cavity inner circumference direction of diffuser; Initiatively be in transmission connection with drive link after the guide vane stem outer end socket drive connecting rod, drive link and YE are in transmission connection; Each driven stator handle outer end socket respectively is provided with follower link, and drive connecting rod and one group of follower link are in transmission connection with the drive flange that rotating sleeve is connected on the diffuser left end respectively.
Described turbine vacuum pump inlet guide vane controlling mechanism is characterized in that described drive connecting rod, follower link are in transmission connection through a pair of joint shaft bearing and drive flange respectively; Described drive connecting rod end connection is provided with the second joint bearing, and the connection of drive flange end is provided with first joint shaft bearing, connects cooperation through first connecting bolt between first joint shaft bearing and the second joint bearing; Described each follower link end connection is provided with the 4th joint shaft bearing, corresponding drive flange end connection is provided with three-knuckle bearing, connects cooperation through second connecting bolt between three-knuckle bearing and the 4th joint shaft bearing.
Described turbine vacuum pump inlet guide vane controlling mechanism; The blade profile that it is characterized in that described active stator, driven stator is identical; Adopt sector structure, a slice initiatively stator and one group of driven stator according to the radial cross section of the diffuser of its present position is arranged setting at the circumferencial direction five equilibrium.
Described turbine vacuum pump inlet guide vane controlling mechanism is characterized in that described drive connecting rod is fastenedly connected through first nut and stator initiatively, and is equipped with the first ears locked spacer between drive connecting rod and active stator, first nut; Described follower link is fastenedly connected through second nut and driven stator, and is equipped with the second ears locked spacer between follower link and driven stator, second nut.
Described turbine vacuum pump inlet guide vane controlling mechanism is characterized in that described drive link and initiatively adopts the embedded structure that is in transmission connection of polygonal between the stator.
Described turbine vacuum pump inlet guide vane controlling mechanism is characterized in that being equipped with between described active stator and the diffuser initiatively between self oiling bearing, one group of driven stator and the diffuser and is equipped with passive self oiling bearing respectively.
Described turbine vacuum pump inlet guide vane controlling mechanism is characterized in that being equipped with manual adjustment wheel on the described YE.
Described turbine vacuum pump inlet guide vane controlling mechanism is characterized in that described YE is installed on the diffuser through support.。
Above-mentioned turbine vacuum pump inlet guide vane controlling mechanism; Novel, compact structure is reasonable; Regulate inlet air flow through regulating the entry guide vane angle of swing; Have advantages such as power consumption is little, regulation range is wide, stabilised efficiency, cost is low, operation is simple and reliable, have higher economical efficiency and practicability.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is a F1 bilge construction enlarged diagram among Fig. 1;
Fig. 3 is a F2 bilge construction enlarged diagram among Fig. 1;
Fig. 4 is a left TV structure schematic representation after initiatively stator, driven stator rotate 90 ° among Fig. 1;
Fig. 5 is said drive link structural representation;
Fig. 6 is that the A of Fig. 5 is to structural representation;
Fig. 7 is the structural representation of said active stator;
Fig. 8 is that the B of Fig. 7 is to structural representation;
Fig. 9 is said drive connecting rod and the chocking construction schematic top plan view that initiatively adopts the first ears locked spacer between the stator, the chocking construction of the second ears locked spacer and Fig. 8 symmetry;
Figure 10 be Fig. 9 D-D to structural representation;
Among the figure: the 1-flange; The 2-sealing gasket; The 3-drive flange; 4a-first joint shaft bearing; 4b-second joint bearing; 5-first connecting bolt; The 6-YE; The 7-manual adjustment wheel; The 8-drive link;-9 first ears locked spacers; The 9a-second ears locked spacer; The 10-support; The 11-drive connecting rod; The 11a-follower link; 12-is stator initiatively; The driven stator of 12a-; 13-is self oiling bearing initiatively; The passive self oiling bearing of 13a-; The 14-diffuser; 15-first nut; 15a-second nut; 16-second connecting bolt; The 17a-three-knuckle bearing; 17b-the 4th joint shaft bearing.
Embodiment
Combine Figure of description at present, specify the embodiment of the utility model:
As shown be turbine vacuum pump inlet guide vane controlling mechanism; Diffuser 14 radially is provided with a slice initiatively stator 12 and one group of driven stator 12a, and the blade of a slice active stator 12 and one group of driven stator 12a is arranged in order setting in the cavity inner circumference direction of diffuser 14; The petiole of a slice active stator 12 and one group of driven stator 12a passes diffuser 14 and is rotatably assorted with diffuser 14; Initiatively stator 12 petioles and diffuser 14 cooperation places are provided with initiatively self oiling bearing 13; The petiole of one group of driven stator 12a and diffuser 14 cooperation places are provided with passive self oiling bearing 13a respectively; Self oiling bearing plays to the lubricated effect of petiole, to reduce unnecessary frictional loss; Initiatively the blade-section shape of stator 12, driven stator 12a is identical with structure; Adopt sector structure, a slice initiatively stator 12 and one group of driven stator 12a according to the radial cross section of the diffuser 14 of its present position is arranged setting at the circumferencial direction five equilibrium, like Fig. 2; Be a slice active stator 12 and 8 driven stator 12a; I.e. the splice radial cross section of the diffuser 14 that just is the present position of totally 9 sizes, stator blade circumferencial direction that shape is identical, initiatively stator 12, driven stator 12a turn to Fig. 1 position, and charge flow rate be a maximum; When active stator 12, driven stator 12a turn to Fig. 2 position, charge flow rate is minimum; Initiatively stator 12 petiole outer end socket drive connecting rod 11 backs are in transmission connection with drive link 8; Drive link 8 is in transmission connection with YE 6; YE 6 is installed on the diffuser 14 through support 10; Support 10 is bolted on the diffuser 14 through the bottom; Support 10 tops connect YE 6 through bolt, and YE 6 also is equipped with manual adjustment wheel 7 except adopting conventional power source driving, when running into special circumstances such as YE outage or internal electronic equipment fault, can drive drive links 8 through manual adjustment wheel 7; Drive connecting rod 11 is fastenedly connected with active stator 12 through first nut 15 that is socketed in drive connecting rod 11 tops and is integral synchronous rotation; And at the drive connecting rod 11 and first nut 15, initiatively be equipped with the first ears locked spacer 9 between the stator 12, adopt this chocking construction can prevent that first nut 15 is loosening or initiatively stators 12 and 11 of drive connecting rod produce relative rotation and cause active stator 12 to rotate freely and do not have gearing; Adopt same linkage structure; The socket of driven stator 12a handle outer end is provided with follower link 11a; Follower link 11a is fastenedly connected through the second nut 15a and driven stator 12a and is integral synchronous rotation, is equipped with the second ears locked spacer 9a between the follower link 11a and the second nut 15a, the driven stator 12a and prevents to produce relative rotation between the second nut 15a loosening or driven stator 12a and follower link 11a and cause driven stator 12a to rotate freely and do not have gearing; Drive connecting rod 11, follower link 11a are in transmission connection through the drive flange 3 that a pair of joint shaft bearing and rotating sleeve are connected on diffuser 14 left ends respectively; Be specially drive connecting rod 11 ends and be fixedly connected second joint bearing 4b; Drive flange 3 ends are fixedly connected the first joint shaft bearing 4a, connect cooperation through first connecting bolt 5 between the first joint shaft bearing 4a and the second joint bearing 4b; Each follower link 11a end is fixedly connected the 4th joint shaft bearing 17b, corresponding drive flange 3 ends are fixedly connected three-knuckle bearing 17a; Connect cooperation through second connecting bolt 16 between three-knuckle bearing 17a and the 4th joint shaft bearing 17b; Joint shaft bearing is realized being in transmission connection bearing arbitrary radial load and arbitrary less thrust load; Transmit in the driving mechanism of different direction moment joint shaft bearing at needs and can well accomplish transmission agency, therefore between drive flange 3 and drive connecting rod 11, follower link 11a, adopt to be in transmission connection through this adjustable joint shaft bearing realization that can to reach overall operation steady;
During The field, drive drive link 8 through YE 6, drive link 8 drives active stator 12 and rotates synchronously; Drive connecting rod 11 is fastenedly connected with active stator 12 and is integral synchronous rotation; Drive connecting rod 11 drives drive flange 3 through the first joint shaft bearing 4a and second joint bearing 4b simultaneously, and drive flange 3 drives corresponding follower link 11a through three-knuckle bearing 17a and the 4th joint shaft bearing 17b and rotates synchronously, and driven stator 12a and follower link 11a are fastenedly connected and are integral synchronous rotation; Drive drive link 8 times at YE 6 thus; Through above-mentioned being in transmission connection, initiatively stator 12, driven stator 12a rotate synchronously, realize the adjusting of inlet air flow through the adjusting of rotation angle; Turn to Fig. 1 position throughput for maximum at active stator 12, driven stator 12a, turn to Fig. 1 position throughput for minimum.
In the above-mentioned enforcement; Adopt the embedded structure that is in transmission connection of polygonal between described drive link 8 and the active stator 12; Like Fig. 5,6,7, drive link shown in 88 and be orthohexagonal junction plane between the stator 12 initiatively, can drive link 8 and active stator 12 between produce relative movement.
When practicing, the utility model is provided with flange 1 through the outlet side and is connected with corresponding pipeline, between flange 1 and diffuser 14, is equipped with sealing gasket 2 with leakage-preventing.
Claims (8)
1. turbine vacuum pump inlet guide vane controlling mechanism; It is characterized in that diffuser (14) radially is provided with a slice active stator (12) and the one group of driven stator (12a) that is rotatably assorted with it, the blade of a slice active stator (12) and one group of driven stator (12a) is arranged in order setting in the cavity inner circumference direction of diffuser (14); Initiatively stator (12) petiole outer end socket drive connecting rod (11) back is in transmission connection with drive link (8), and drive link (8) is in transmission connection with YE (6); Each driven stator (12a) handle outer end socket respectively is provided with follower link (11a), and drive connecting rod (11) and one group of follower link (11a) are in transmission connection with the drive flange (3) that rotating sleeve is connected on diffuser (14) left end respectively.
2. turbine vacuum pump inlet guide vane controlling mechanism as claimed in claim 1 is characterized in that described drive connecting rod (11), follower link (11a) are in transmission connection through a pair of joint shaft bearing and drive flange (3) respectively; The connection of described drive connecting rod (11) end is provided with second joint bearing (4b); The connection of drive flange (3) end is provided with first joint shaft bearing (4a), connects cooperation through first connecting bolt (5) between first joint shaft bearing (4a) and the second joint bearing (4b); The connection of described each follower link (11a) end is provided with the 4th joint shaft bearing (17b), the connection of corresponding drive flange (3) end is provided with three-knuckle bearing (17a), cooperates through second connecting bolt (16) connection between three-knuckle bearing (17a) and the 4th joint shaft bearing (17b).
3. turbine vacuum pump inlet guide vane controlling mechanism as claimed in claim 1; The blade profile that it is characterized in that described active stator (12), driven stator (12a) is identical; Adopt sector structure, a slice initiatively stator (12) and one group of driven stator (12a) according to the radial cross section of the diffuser (14) of its present position is arranged setting at the circumferencial direction five equilibrium.
4. turbine vacuum pump inlet guide vane controlling mechanism as claimed in claim 1; It is characterized in that described drive connecting rod (11) is fastenedly connected through first nut (15) and stator (12) initiatively, and be equipped with the first ears locked spacer (9) between drive connecting rod (11) and active stator (12), first nut (15); Described follower link (11a) is fastenedly connected through second nut (15a) and driven stator (12a), and is equipped with the second ears locked spacer (9a) between follower link (11a) and driven stator (12a), second nut (15a).
5. turbine vacuum pump inlet guide vane controlling mechanism as claimed in claim 1 is characterized in that described drive link (8) and initiatively adopts the embedded structure that is in transmission connection of polygonal between the stator (12).
6. turbine vacuum pump inlet guide vane controlling mechanism as claimed in claim 1 is characterized in that being equipped with between described active stator (12) and the diffuser (14) initiatively and is equipped with passive self oiling bearing (13a) respectively between self oiling bearing (13), one group of driven stator (12a) and the diffuser (14).
7. turbine vacuum pump inlet guide vane controlling mechanism as claimed in claim 1 is characterized in that being equipped with on the described YE (6) manual adjustment wheel (7).
8. turbine vacuum pump inlet guide vane controlling mechanism as claimed in claim 1 is characterized in that described YE (6) is installed on the diffuser (14) through support (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201213073U CN202545313U (en) | 2012-03-28 | 2012-03-28 | Adjusting mechanism for inlet guide vanes of turbine vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201213073U CN202545313U (en) | 2012-03-28 | 2012-03-28 | Adjusting mechanism for inlet guide vanes of turbine vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545313U true CN202545313U (en) | 2012-11-21 |
Family
ID=47165956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201213073U Expired - Lifetime CN202545313U (en) | 2012-03-28 | 2012-03-28 | Adjusting mechanism for inlet guide vanes of turbine vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545313U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696253A (en) * | 2015-02-16 | 2015-06-10 | 溧阳市超强链条制造有限公司 | Adjustment and control method of inlet guide blade of air compressor |
| CN105508299A (en) * | 2016-01-26 | 2016-04-20 | 南通大通宝富风机有限公司 | Single-stage high-speed front guide vane regulating mechanism of blower |
| CN106762742A (en) * | 2017-01-03 | 2017-05-31 | 滨州东瑞机械有限公司 | A kind of high rate turbine vacuum pump with energy recovery turbine |
| CN107829938A (en) * | 2017-12-04 | 2018-03-23 | 南京磁谷科技有限公司 | A kind of manual adjustment structure of stator |
-
2012
- 2012-03-28 CN CN2012201213073U patent/CN202545313U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696253A (en) * | 2015-02-16 | 2015-06-10 | 溧阳市超强链条制造有限公司 | Adjustment and control method of inlet guide blade of air compressor |
| CN105508299A (en) * | 2016-01-26 | 2016-04-20 | 南通大通宝富风机有限公司 | Single-stage high-speed front guide vane regulating mechanism of blower |
| CN105508299B (en) * | 2016-01-26 | 2018-06-01 | 南通大通宝富风机有限公司 | A kind of single-stage high-speed air blower pilot blade adjusting mechanism |
| CN106762742A (en) * | 2017-01-03 | 2017-05-31 | 滨州东瑞机械有限公司 | A kind of high rate turbine vacuum pump with energy recovery turbine |
| CN107829938A (en) * | 2017-12-04 | 2018-03-23 | 南京磁谷科技有限公司 | A kind of manual adjustment structure of stator |
| CN107829938B (en) * | 2017-12-04 | 2024-01-12 | 南京磁谷科技股份有限公司 | Manual guide vane adjusting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |