CN208364486U - A kind of high-speed centrifugal blower inlet guide vane and diffuser vane joint debugging mechanism - Google Patents
A kind of high-speed centrifugal blower inlet guide vane and diffuser vane joint debugging mechanism Download PDFInfo
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- CN208364486U CN208364486U CN201820921525.2U CN201820921525U CN208364486U CN 208364486 U CN208364486 U CN 208364486U CN 201820921525 U CN201820921525 U CN 201820921525U CN 208364486 U CN208364486 U CN 208364486U
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- guide vane
- diffuser
- vane
- drive ring
- shaft
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Abstract
The utility model discloses a kind of high-speed centrifugal blower inlet guide vanes and diffuser vane joint debugging mechanism, include: be connected to inlet casing on the left of spiral case, the air inlet cap that is connected on the left of inlet casing, bushing, the inlet guide vane being connected in spiral case adjust component, diffuser vane adjusts component, it realizes while adjusting guide vane angle, achievees the purpose that adjust diffuser vane angle.The joint debugging mechanism of the utility model realizes inlet guide vane corner and diffuser vane corner is accurately matched in required ratio, ensure that unit maintains efficient operation in wide range of flow, reduces production cost, improve economic benefit.
Description
Technical field
The utility model belongs to blower technology field more particularly to a kind of high-speed centrifugal blower inlet guide vane and diffusion
Device blade joint debugging mechanism.
Background technique
Existing centrifugal blower generally uses guide vane regulating mechanism to adjust inlet guide vane angle, with realize to air blower into
The adjusting of throughput, but its diffuser vane be it is fixed, it is uncontrollable, this will lead to when adjust inlet guide vane angle change
When becoming the charge flow rate of air blower, the angle of attack can be formed to diffuser vane, increase windage loss, in order to overcome this defect,
Have by the way of independently being adjusted to inlet guide vane and diffuser vane in the prior art, but this mode production cost
Height increases electric fault risk point, and degree of regulation cannot fully meet requirement.
Utility model content
To solve the above problems, the utility model proposes a kind of high-speed centrifugal blower inlet guide vane and diffusions
Device blade joint debugging mechanism, it is accurate which realizes that inlet guide vane corner and diffuser vane corner are carried out in required ratio
Matching guarantees that high-speed centrifugal blower maintains high-efficiency operation in wide range of flow.
To achieve the goals above, the utility model uses following scheme, comprising:
It is connected to the inlet casing on the left of spiral case, the air inlet cap that is connected on the left of inlet casing, is connected in spiral case
Bushing, the joint debugging mechanism further includes,
Inlet guide vane adjusts component, diffuser vane adjusts component,
The inlet guide vane adjusts component and is equipped with guide vane drive ring, and guide vane drive ring is sleeved on inlet casing, and guide vane drives
Rotating ring inner peripheral surface is equipped with guide wheel, and the groove cooperation positioning on the guide wheel and inlet casing outer peripheral surface forms rolling pair, the guide vane
The circumferential surface screwing of drive ring connects drive ring push rod, and the other end of drive ring push rod is rotatablely connected electric pushrod, electric pushrod
Other end rotation connection be located at the actuator in air inlet cap, be uniformly fixedly connected on the circumferential surface of the guide vane drive ring several
Guide vane drive ring pin shaft, the guide vane drive ring pin shaft connect the first oscillating bearing；It is uniformly distributed on the circumferential surface of the inlet casing
Several guide vane bearing seats, the guide vane bearing seat are embedded in rotatable guide vane shaft, and one end of the guide vane shaft extends into mechanism of qi
It is fixedly connected with guide vane after in casket, the other end of the guide vane shaft is fixedly connected with guide vane rocker arm, and the other end of the guide vane rocker arm connects
Second joint bearing is connect, first oscillating bearing is connect with second joint bearing by screw rod；
The diffuser vane adjusts component and is equipped with small conical gear, which is fixedly connected on a guide vane shaft
Top, the small conical gear engages large conical gear, which is fixedly connected with one end of gear shaft, gear shaft
The other end is fixedly connected with pinion gear, and the gear shaft is rotatablely connected tooth rest, which is bolted to the side of inlet casing
On wall, connection gear axle sleeve on the side wall of the inlet casing, gear bush is embedded in rotatable transmission shaft, the transmission shaft
One end be fixedly connected with gear wheel, the pinion gear engages the gear wheel；The bushing suit diffuser drive ring, diffuser
The inner peripheral surface of drive ring be equipped with idler wheel, the idler wheel and it is bushing on groove cooperation positioning form rolling pair, diffuser drive ring
Several diffuser drive ring pin shafts are uniformly fixedly connected on outer peripheral surface, diffuser drive ring pin shaft is embedded in diffuser one end
U-shaped breach in form sliding pair, the other end of diffuser rocker arm is fixedly connected with diffuser vane shaft, it is described it is bushing circumferentially
Several through-holes are uniformly distributed, diffuser vane axle sleeve is fixedly connected in through-hole, the other end of diffuser vane shaft passes through diffusion
Diffuser vane is fixedly connected with after device blade axle sleeve；The other end of the transmission shaft is fixedly connected on a diffuser vane shaft
Top.
The guide wheel is 6, and the guide vane is 10, and the diffuser vane is 11.
The guide vane can be adjusted from the corner ratio K of diffuser vane according to different needs, it may be assumed that K=Z2Z4/
Z1Z3, wherein Z1For the number of teeth of small conical gear, Z2For the number of teeth of large conical gear, Z3For the number of teeth of pinion gear, Z4For gear wheel
The number of teeth.
When work, actuator pushes electric pushrod, and electric pushrod pushes drive ring push rod to rotate guide vane drive ring, guide vane
Drive ring drives all guide vane shaft rotations by the first, second oscillating bearing, guide vane rocker arm, to reach adjusting guide vane angle
Purpose, at the same time, the small conical gear rotation being connected in a guide vane shaft drives large conical gear rotation, and passes through
Pinion gear, gear wheel, transmission shaft twist diffuser rocker arm, the rotation of diffuser drive ring are driven, to drive all diffusers
Blade rotor rotation, is realized while adjusting guide vane angle, achievees the purpose that adjust diffuser vane angle.
The joint debugging mechanism of the utility model realize inlet guide vane corner and diffuser vane corner in required ratio into
The accurate matching of row, ensure that unit maintains efficient operation in wide range of flow, reduces production cost, improve economy
Benefit.
Detailed description of the invention
Fig. 1 is the utility model stereochemical structure decomposing schematic representation.
Fig. 2 is the utility model section view schematic view of the front view.
Fig. 3 is the part Fig. 2 A enlarged diagram.
Fig. 4 is that the utility model removes air inlet cap left view structural representation.
Fig. 5 is the utility model right side structural representation.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, so that those skilled in the art can be more
Add and be apparent from, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the utility model includes:
The inlet casing 2 for being connected to 1 left side of spiral case, is connected in spiral case the air inlet cap 3 being connected on the left of inlet casing
Bushing 4, the joint debugging mechanism further includes, and inlet guide vane adjusts component, diffuser vane adjusts component,
The inlet guide vane adjusts component and is equipped with guide vane drive ring 5, and guide vane drive ring 5 is sleeved on inlet casing 2, guide vane
5 inner peripheral surface of drive ring is equipped with guide wheel 6, and the groove cooperation positioning on the guide wheel 6 and 2 outer peripheral surface of inlet casing forms rolling pair, leads
The circumferential surface screwing of leaf drive ring 5 connects drive ring push rod 7, and the other end of drive ring push rod 7 is rotatablely connected electric pushrod 8, electricity
The other end rotation connection of dynamic push rod 8 is located at the actuator in air inlet cap 3, uniformly consolidates on the circumferential surface of the guide vane drive ring 5
Surely several guide vane drive ring pin shafts 9 are connected, which connects the first oscillating bearing 10；The inlet casing 2
Several guide vane bearing seats 11 are uniformly distributed on circumferential surface, which is embedded in rotatable guide vane shaft 12, the guide vane
One end of shaft 12 is fixedly connected with guide vane 13 after protruding into inlet casing 2, and the other end of the guide vane shaft 12, which is fixedly connected, leads
The other end of leaf rocker arm 14, the guide vane rocker arm 14 connects second joint bearing 15, first oscillating bearing 10 and second joint
Bearing 15 is connected by screw rod 16；
The diffuser vane adjusts component and is equipped with small conical gear 17, and the small conical gear 17 is fixedly connected on one and leads
The top of leaf shaft 12, the small conical gear 17 engage large conical gear 18, which is fixedly connected with gear shaft
19 one end, the other end of gear shaft 19 are fixedly connected with pinion gear 20, and gear shaft 19 is rotatablely connected tooth rest 21, the tooth rest 21
It is bolted on the side wall of inlet casing 2, connection gear axle sleeve 22 on the side wall of the inlet casing 2, in gear bush 22
It is embedded in rotatable transmission shaft 23, one end of the transmission shaft 23 is fixedly connected with gear wheel 24, and the pinion gear 20 engages described
Gear wheel 24；The bushing 4 suit diffuser drive ring 25, the inner peripheral surface of diffuser drive ring 25 are equipped with idler wheel, the idler wheel with
Groove cooperation positioning on bushing 4 forms rolling pair, is uniformly fixedly connected with several diffusers on 25 outer peripheral surface of diffuser drive ring
Drive ring pin shaft 26, diffuser drive ring pin shaft 26, which is embedded in the U-shaped breach of 27 one end of diffuser rocker arm, forms sliding pair, expands
The other end of depressor rocker arm 27 is fixedly connected with diffuser vane shaft 28, and described bushing 4 are uniformly distributed circumferentially several through-holes, leads to
Diffuser vane axle sleeve 29 is fixedly connected in hole, the other end of diffuser vane shaft 28 is solid after diffuser vane axle sleeve 29
Surely diffuser vane 30 is connected；The other end of the transmission shaft 23 is fixedly connected on the top of a diffuser vane shaft 28.
Preferably, the guide wheel 6 is 6, and the guide vane 13 is 10, and the diffuser vane 30 is 11.
Wherein, the guide vane can be adjusted from the corner ratio K of diffuser vane according to different needs, it may be assumed that K=
Z2Z4/Z1Z3, wherein Z1For the number of teeth of small conical gear 17, Z2For the number of teeth of large conical gear 18, Z3For the tooth of pinion gear 20
Number, Z4For the number of teeth of gear wheel 24.
When work, actuator pushes electric pushrod, and electric pushrod pushes drive ring push rod to rotate guide vane drive ring, guide vane
Drive ring drives all guide vane shaft rotations by the first, second oscillating bearing, guide vane rocker arm, to reach adjusting guide vane angle
Purpose, at the same time, the small conical gear rotation being connected in a guide vane shaft drives large conical gear rotation, and passes through
Pinion gear, gear wheel, transmission shaft twist diffuser rocker arm, the rotation of diffuser drive ring are driven, to drive all diffusers
Blade rotor rotation, is realized while adjusting guide vane angle, achievees the purpose that adjust diffuser vane angle.
The joint debugging mechanism of the utility model realize inlet guide vane corner and diffuser vane corner in required ratio into
The accurate matching of row, ensure that unit maintains efficient operation in wide range of flow, reduces production cost, improve economy
Benefit.
Claims (3)
1. a kind of high-speed centrifugal blower inlet guide vane and diffuser vane joint debugging mechanism comprising be connected on the left of spiral case (1)
Inlet casing (2), the air inlet cap (3) being connected on the left of inlet casing, bushing (4) that are connected in spiral case, feature exists
In the joint debugging mechanism further include:
Inlet guide vane adjusts component, diffuser vane adjusts component,
The inlet guide vane adjusts component and is equipped with guide vane drive ring (5), and guide vane drive ring (5) is sleeved on inlet casing (2), leads
Leaf drive ring (5) inner peripheral surface is equipped with guide wheel (6), and the groove cooperation positioning on the guide wheel (6) and inlet casing (2) outer peripheral surface is formed
The circumferential surface screwing of rolling pair, the guide vane drive ring (5) connects drive ring push rod (7), and the other end of drive ring push rod (7) turns
Dynamic connection electric pushrod (8), the other end rotation connection of electric pushrod (8) is located at the actuator in air inlet cap (3), described to lead
Several guide vane drive ring pin shafts (9) are uniformly fixedly connected on the circumferential surface of leaf drive ring (5), the guide vane drive ring pin shaft (9) connection
First oscillating bearing (10)；Several guide vane bearing seats (11), the guide vane bearing are uniformly distributed on the circumferential surface of the inlet casing (2)
Seat (11) is embedded in rotatable guide vane shaft (12), and one end of the guide vane shaft (12) is fixed after protruding into inlet casing (2)
Connect guide vane (13), the other end of the guide vane shaft (12) is fixedly connected with guide vane rocker arm (14), the guide vane rocker arm (14) it is another
One end connects second joint bearing (15), and first oscillating bearing (10) and second joint bearing (15) are connected by screw rod (16)
It connects；
The diffuser vane adjusts component and is equipped with small conical gear (17), which is fixedly connected on a guide vane
The top of shaft (12), the small conical gear (17) engage large conical gear (18), and large conical gear (18) is fixedly connected with tooth
One end of wheel shaft (19), the other end of gear shaft (19) are fixedly connected pinion gear (20), and the gear shaft (19) is rotatablely connected tooth
Wheel carrier (21), the tooth rest (21) are bolted on the side wall of inlet casing (2), are connected on the side wall of the inlet casing (2)
It connects gear bush (22), gear bush (22) is embedded in rotatable transmission shaft (23), and one end of the transmission shaft (23) is fixed
It connects gear wheel (24), the pinion gear (20) engages the gear wheel (24)；Described bushing (4) are set with diffuser drive ring
(25), the inner peripheral surface of diffuser drive ring (25) is equipped with idler wheel, and the groove cooperation positioning on the idler wheel and bushing (4), which is formed, to be rolled
Pair is uniformly fixedly connected with several diffuser drive ring pin shafts (26), diffuser driving on the outer peripheral surface of diffuser drive ring (25)
Battle pin axis (26), which is embedded in the U-shaped breach of diffuser rocker arm (27) one end, forms sliding pair, diffuser rocker arm (27) it is another
End is fixedly connected diffuser vane shaft (28), and bushing (4) are uniformly distributed circumferentially several through-holes, are fixedly connected in through-hole
Diffuser vane axle sleeve (29), the other end of diffuser vane shaft (28) are fixedly connected after passing through diffuser vane axle sleeve (29)
Diffuser vane (30)；The other end of the transmission shaft (23) is fixedly connected on the top of a diffuser vane shaft (28).
2. joint debugging mechanism according to claim 1, it is characterised in that: the guide wheel (6) is 6, and the guide vane (13) is 10
A, the diffuser vane (30) is 11.
3. joint debugging mechanism according to claim 1, it is characterised in that: the corner ratio K of the guide vane and diffuser vane can
It is adjusted according to different needs, it may be assumed that K=Z2Z4/Z1Z3, wherein Z1For the number of teeth of small conical gear (17), Z2For big circular cone
The number of teeth of gear (18), Z3For the number of teeth of pinion gear (20), Z4For the number of teeth of gear wheel (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820921525.2U CN208364486U (en) | 2018-06-14 | 2018-06-14 | A kind of high-speed centrifugal blower inlet guide vane and diffuser vane joint debugging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820921525.2U CN208364486U (en) | 2018-06-14 | 2018-06-14 | A kind of high-speed centrifugal blower inlet guide vane and diffuser vane joint debugging mechanism |
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| Publication Number | Publication Date |
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| CN208364486U true CN208364486U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820921525.2U Active CN208364486U (en) | 2018-06-14 | 2018-06-14 | A kind of high-speed centrifugal blower inlet guide vane and diffuser vane joint debugging mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566514A (en) * | 2019-10-25 | 2019-12-13 | 重庆通用工业(集团)有限责任公司 | Noise reduction blade structure of centrifugal compressor |
| CN112682354A (en) * | 2020-12-18 | 2021-04-20 | 山东省章丘鼓风机股份有限公司 | Guide adjusting type sealing fan |
| CN113236607A (en) * | 2021-06-11 | 2021-08-10 | 浙江理工大学 | Design method of large-scale engineering pump volute and volute thereof |
| CN113883096A (en) * | 2021-11-12 | 2022-01-04 | 钛灵特压缩机无锡有限公司 | Variable diffuser structure of centrifugal machine and centrifugal machine |
| CN114992167A (en) * | 2022-06-27 | 2022-09-02 | 哈尔滨工业大学 | Guide vane mounting angle adjusting device of annular cascade outer channel |
-
2018
- 2018-06-14 CN CN201820921525.2U patent/CN208364486U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566514A (en) * | 2019-10-25 | 2019-12-13 | 重庆通用工业(集团)有限责任公司 | Noise reduction blade structure of centrifugal compressor |
| CN112682354A (en) * | 2020-12-18 | 2021-04-20 | 山东省章丘鼓风机股份有限公司 | Guide adjusting type sealing fan |
| CN112682354B (en) * | 2020-12-18 | 2022-05-27 | 山东省章丘鼓风机股份有限公司 | Guide adjusting type sealing fan |
| CN113236607A (en) * | 2021-06-11 | 2021-08-10 | 浙江理工大学 | Design method of large-scale engineering pump volute and volute thereof |
| CN113236607B (en) * | 2021-06-11 | 2022-06-28 | 浙江理工大学 | Design method of large-scale engineering pump volute and volute thereof |
| CN113883096A (en) * | 2021-11-12 | 2022-01-04 | 钛灵特压缩机无锡有限公司 | Variable diffuser structure of centrifugal machine and centrifugal machine |
| CN114992167A (en) * | 2022-06-27 | 2022-09-02 | 哈尔滨工业大学 | Guide vane mounting angle adjusting device of annular cascade outer channel |
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