CN108757433A - A kind of cantilever Varied clearance plane cascade experimental provision - Google Patents
A kind of cantilever Varied clearance plane cascade experimental provision Download PDFInfo
- Publication number
- CN108757433A CN108757433A CN201810547027.0A CN201810547027A CN108757433A CN 108757433 A CN108757433 A CN 108757433A CN 201810547027 A CN201810547027 A CN 201810547027A CN 108757433 A CN108757433 A CN 108757433A
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- Prior art keywords
- blade
- blade fixed
- end plate
- charge method
- plate
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to impeller machinery technical fields, are related to a kind of plane cascade experimental piece structure, and in particular to a kind of cantilever Varied clearance plane cascade experimental provision.The present invention on the left screen of leaf grating side plate by installing moveable blade fixed plate and blade fixed charge method end plate, form a kind of plane cascade experiment grid plate structure of novel variable gap, the fixation of unilateral cantilever blade not only may be implemented, but also it can realize that the position between blade fixed plate and left screen is adjusted by common adjust of fixing bolt and puller bolt, carry out the variation of gap size, realize the gap adjustment of the cantilever blade in plane cascade, it is fully able to meet the experimental study demand of the leaf top Varied clearance of compressor and leaf top remodeling, it is of great significance to the performance study of compressor.
Description
Technical field
The invention belongs to impeller machinery technical fields, are related to a kind of plane cascade experimental piece structure, and in particular to one kind is outstanding
Arm Varied clearance plane cascade experimental provision.
Background technology
Plane cascade experimental study is the basis of turbomachine experimental study, and research mode the most universal, with
The performance study of compressor is goed deep into recent years, the research of leaf top Varied clearance and leaf top remodeling is even more important, changes to verify
The reliability of type scheme generally requires to carry out experimental study, the knot for not having Varied clearance and cantilever blade of existing plane cascade
Structure designs, and cannot be satisfied experiment demand.
Invention content
The purpose of the present invention is designing a kind of cantilever Varied clearance plane cascade experimental provision, existing height can be thus achieved in it
Cantilevered paddle structure not available for fast plane cascade, while the gap size of blade can also be adjusted, it realizes
The experimental program of cantilever blade Varied clearance.
To achieve the above object, present invention employs following technical schemes：
A kind of cantilever Varied clearance plane cascade experimental provision, including left screen 1, blade fixed charge method end plate 2, positioning pin 3, blade
Fixed plate 4, right screen 5, blade 6, positioning screw 7, fixing bolt 8 and puller bolt 9, wherein：
Left screen 1 and right screen 5 are oppositely arranged, and left screen 1 and right screen 5 are connected through a screw thread testing stand, left grid respectively
It is provided with blade 6 between plate 1 and right screen 5, the blade profile through-hole 10 to match with 6 profile of blade, blade 6 are set on left screen 1
It is mounted on left screen 1 by blade profile through-hole 10 and keeps gap with right screen 5, realize the fixation of unilateral cantilever blade 6；Left grid
Plate 1 is provided with tapped blind hole away from the side of right screen 5；
The blade profile through-hole 10 that setting matches with 6 profile of blade in blade fixed plate 4, while being arranged in blade fixed plate 4
There are several tapped through holes；
Blade fixed charge method end plate 2 is threaded in by positioning screw 7 in blade fixed plate 4, and blade 6 passes through 1 He of left screen
Blade profile through-hole 10 in blade fixed plate 4 pushes up neat and pastes fixation with blade fixed charge method end plate 2；
It is provided with positioning pin 3 on the quadrangle of blade fixed charge method end plate 2, positioning pin 3 is to fixed charge method end plate 2 and blade fixed plate 4
Installation site is accurately positioned, and ensures that fixed charge method end plate 2 and blade fixed plate 4 are parallel with left screen 1；
Further, the positioning screw 7 is distributed in two long side outermost of blade fixed charge method end plate, and along blade fixing end
Two long side of plate is symmetrical arranged.
Further, the blade 6 passes through the blade profile through-hole 10 on left screen 1 and blade fixed plate 4, is fixed with blade
End plate 2 pushes up neat and pastes fixation, by super glue that blade 6 is Nian Jie with blade fixed plate 4 and 2 contact surface of blade fixed charge method end plate
Together.
Fixing bolt 8 passes through blade fixed charge method end plate 2 and blade fixed plate 4, is connect with the tapped blind hole on left screen 1, leads to
The distance of nut adjustment fixed charge method end plate 2 and blade fixed plate 4 apart from left screen 1 on fixing bolt 8 is crossed, while playing fixed work
With.
Further, the fixing bolt 8 is on blade fixed charge method end plate 2 and blade fixed plate 4, by 6 established angle of blade
Directional spreding is arranged, and is arranged in the edge of blade fixed charge method end plate 2 and blade fixed plate 4 and sides aligned parallel distribution.
Puller bolt 9 is connect with blade fixed charge method end plate 2 and blade fixed plate 4 by threaded hole, the other end of puller bolt 9
It withstands on left screen 1, by the adjusting to puller bolt 9, fixed charge method end plate 2 and blade fixed plate 4 can be adjusted apart from left screen 1
Distance, play the role of one far from fixed, and consolidate to the position of puller bolt 9 by the nut on puller bolt 9
It is fixed.
Further, the puller bolt 9 is distributed the central shaft for being set to blade fixed charge method end plate 2 and blade fixed plate 4
On line.
Compared with the prior art, the invention has the advantages that：
By installing moveable blade fixed plate and blade fixed charge method end plate on the left screen of leaf grating side plate, formed a kind of new
The plane cascade of the variable gap of type tests grid plate structure, not only may be implemented the fixation of unilateral cantilever blade, but also can be with
It realizes that the position between blade fixed plate and left screen is adjusted by common adjust of fixing bolt and puller bolt, carries out gap
The variation of size realizes the gap adjustment of the cantilever blade in plane cascade, is fully able to meet the leaf top Varied clearance of compressor
And the experimental study demand of leaf top remodeling, it is of great significance to the performance study of compressor.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of cantilever Varied clearance plane cascade experimental provision in the embodiment of the present invention 1；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is blade fixed plate front view；
In figure：1, cfentrifugal blower, 2, blade fixed charge method end plate, 3, positioning pin, 4, blade fixed plate, 5, right screen, 6,
Blade, 7, positioning screw, 8, fixing bolt, 9, puller bolt, 10, blade profile through-hole.
Specific implementation mode
Technical scheme of the present invention is further described in detail with reference to example.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of cantilever Varied clearance plane cascade experimental provision, including left screen 1, blade fixing end
Plate 2, positioning pin 3, blade fixed plate 4, right screen 5, blade 6, positioning screw 7, fixing bolt 8 and puller bolt 9, wherein：
Left screen 1 and right screen 5 are oppositely arranged, and left screen 1 and right screen 5 are connected through a screw thread testing stand, left grid respectively
It is provided with blade 6 between plate 1 and right screen 5, the blade profile through-hole 10 to match with 6 profile of blade, blade 6 are set on left screen 1
It is mounted on left screen 1 by blade profile through-hole 10 and keeps gap with right screen 5, realize the fixation of unilateral cantilever blade 6；Left grid
Plate 1 is provided with tapped blind hole away from the side of right screen 5；
As shown in figure 4, the blade profile through-hole 10 that setting matches with 6 profile of blade in blade fixed plate 4, while blade is fixed
Several tapped through holes are provided on plate 4；
Blade fixed charge method end plate 2 is threaded in by 6 positioning screws 7 in blade fixed plate 4, and 6 positioning screws 7 are distributed
It is symmetrical arranged in two long side outermost of blade fixed charge method end plate, and along two long side of blade fixed charge method end plate；Blade 6 passes through 1 He of left screen
Blade profile through-hole 10 in blade fixed plate 4 pushes up together with blade fixed charge method end plate 2, by super glue by blade 6 and blade fixed plate
4 and 2 contact surface of blade fixed charge method end plate bond together；
It is provided with positioning pin 3 on the quadrangle of blade fixed charge method end plate 2, positioning pin 3 is to fixed charge method end plate 2 and blade fixed plate 4
Installation site is accurately positioned, and ensures that fixed charge method end plate 2 and blade fixed plate 4 are parallel with left screen 1；
Fixing bolt 8 passes through blade fixed charge method end plate 2 and blade fixed plate 4, is connect with the tapped blind hole on left screen 1,10
The setting of 8 each two of a fixing bolt, one component cloth is on blade fixed charge method end plate 2 and blade fixed plate 4, intermediate 4 groups of fixation spiral shells
Bolt 8 two-by-two install angular direction by blade 6 and fix by line, two group two in blade fixed charge method end plate 2 and the edge of blade fixed plate 4
Two lines and sides aligned parallel.By nut adjustment fixed charge method end plate 2 on fixing bolt 8 and blade fixed plate 4 apart from left screen 1
Distance plays the role of one and furthers, while playing fixed function.
Puller bolt 9 distribution is set on blade fixed charge method end plate 2 and the central axis of blade fixed plate 4, puller bolt 9 with
Blade fixed charge method end plate 2 is connected with blade fixed plate 4 by threaded hole, and the other end of puller bolt 9 is withstood on left screen 1, is passed through
Adjusting to puller bolt 9 can adjust the distance of fixed charge method end plate 2 and blade fixed plate 4 apart from left screen 1, play one far
The position of puller bolt 9 is fixed from fixed effect, and by the nut on puller bolt 9.
The present invention on the left screen of leaf grating side plate by installing moveable blade fixed plate and blade fixed charge method end plate, blade
Fixed plate plays the role of reinforced blade, and blade fixed charge method end plate ensures the relative position of each blade all in the same plane,
By bonding so that the suction surface of blade is bonded in one with pressure face and the blade profile through-hole and night disk fixed charge method end plate of blade fixed plate
It rises, further strengthens blade fixed effect, to form a kind of plane cascade experiment grid plate structure of novel variable gap, no
The fixation of unilateral cantilever blade only may be implemented, but also can realize leaf by the common adjusting of fixing bolt and puller bolt
Position between piece fixed plate and left screen is adjusted, and carries out the variation of gap size, realizes the cantilever blade in plane cascade
Gap adjustment is fully able to meet the experimental study demand of the leaf top Varied clearance of compressor and leaf top remodeling, to the property of compressor
It can study and be of great significance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of cantilever Varied clearance plane cascade experimental provision, which is characterized in that including left screen (1), blade fixed charge method end plate
(2), positioning pin (3), blade fixed plate (4), right screen (5), blade (6), positioning screw (7), fixing bolt (8) and spiral shell is held out against
Bolt (9), wherein：
Left screen (1) and right screen (5) are oppositely arranged, and left screen (1) and right screen (5) are connected through a screw thread testing stand respectively,
It is provided with blade (6) between left screen (1) and right screen (5), the leaf to match with blade (6) profile is set on left screen (1)
Type through-hole (10), blade (6) are mounted on left screen (1) by blade profile through-hole (10) and keep gap with right screen (5), realized
The fixation of unilateral cantilever blade (6)；Left screen (1) is provided with tapped blind hole away from the side of right screen (5)；
The blade profile through-hole (10) that setting matches with blade (6) profile in blade fixed plate (4), while in blade fixed plate (4)
It is provided with several tapped through holes；
Blade fixed charge method end plate (2) is threaded in by positioning screw (7) in blade fixed plate (4), and blade (6) passes through left screen
(1) the blade profile through-hole (10) and in blade fixed plate (4) pushes up neat and pastes fixation with blade fixed charge method end plate (2)；
Positioning pin (3) is provided on the quadrangle of blade fixed charge method end plate (2), positioning pin (3) is to fixed charge method end plate (2) and blade fixed plate
(4) installation site is accurately positioned, and ensures that fixed charge method end plate (2) and blade fixed plate (4) are parallel with left screen (1)；
Fixing bolt (8) passes through the tapped blind hole on blade fixed charge method end plate (2) and blade fixed plate (4), with left screen (1) to connect
It connects, by the distance of nut adjustment fixed charge method end plate (2) and blade fixed plate (4) apart from left screen (1) on fixing bolt (8),
Play fixed function simultaneously；
Puller bolt (9) is connect with blade fixed charge method end plate (2) and blade fixed plate (4) by threaded hole, puller bolt (9) it is another
One end is withstood on left screen (1), by the adjusting to puller bolt (9), can adjust fixed charge method end plate (2) and blade fixed plate
(4) apart from the distance of left screen (1), play the role of one far from fixed, and by the nut on puller bolt (9) to holding out against
The position of bolt (9) is fixed.
2. cantilever Varied clearance plane cascade experimental provision according to claim 1, which is characterized in that the positioning screw
(7) it is distributed in two long side outermost of blade fixed charge method end plate, and is symmetrical arranged along two long side of blade fixed charge method end plate.
3. cantilever Varied clearance plane cascade experimental provision according to claim 1, which is characterized in that the blade (6)
Blade profile through-hole (10) on left screen (1) and blade fixed plate (4) pushes up together with blade fixed charge method end plate (2) and pastes fixation,
Blade (6) and blade fixed plate (4) and blade fixed charge method end plate (2) contact surface are bonded together by super glue.
4. cantilever Varied clearance plane cascade experimental provision according to claim 1, which is characterized in that the fixing bolt
(8) on blade fixed charge method end plate (2) and blade fixed plate (4), it is arranged by blade (6) established angle directional spreding, is fixed in blade
The edge of end plate (2) and blade fixed plate (4) is arranged with sides aligned parallel distribution.
5. cantilever Varied clearance plane cascade experimental provision according to claim 1, which is characterized in that the puller bolt
(9) distribution is set on blade fixed charge method end plate (2) and the central axis of blade fixed plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547027.0A CN108757433B (en) | 2018-05-31 | 2018-05-31 | A kind of cantilever Varied clearance plane cascade experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547027.0A CN108757433B (en) | 2018-05-31 | 2018-05-31 | A kind of cantilever Varied clearance plane cascade experimental provision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757433A true CN108757433A (en) | 2018-11-06 |
| CN108757433B CN108757433B (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810547027.0A Active CN108757433B (en) | 2018-05-31 | 2018-05-31 | A kind of cantilever Varied clearance plane cascade experimental provision |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580160A (en) * | 2019-01-23 | 2019-04-05 | 牧风科技有限公司 | A kind of plane cascade experimental provision |
| CN111255724A (en) * | 2020-02-02 | 2020-06-09 | 上海交通大学 | Cantilever stator plane cascade experimental method for simulating high-speed rotating hub of axial flow compressor |
| CN111579197A (en) * | 2020-03-25 | 2020-08-25 | 西北工业大学 | Gap-variable plane blade cascade gap adjustment experimental device and method |
| CN113418716A (en) * | 2021-06-05 | 2021-09-21 | 西北工业大学 | Blade cascade experimental device with adjustable blade top clearance |
| CN113865838A (en) * | 2020-06-12 | 2021-12-31 | 中国航发商用航空发动机有限责任公司 | Reverse thrust blade cascade test system and test reverse thrust blade cascade thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580160A (en) * | 2019-01-23 | 2019-04-05 | 牧风科技有限公司 | A kind of plane cascade experimental provision |
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| CN111255724A (en) * | 2020-02-02 | 2020-06-09 | 上海交通大学 | Cantilever stator plane cascade experimental method for simulating high-speed rotating hub of axial flow compressor |
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| CN111579197A (en) * | 2020-03-25 | 2020-08-25 | 西北工业大学 | Gap-variable plane blade cascade gap adjustment experimental device and method |
| CN111579197B (en) * | 2020-03-25 | 2022-03-25 | 西北工业大学 | Gap-variable plane blade cascade gap adjustment experimental device and method |
| CN113865838A (en) * | 2020-06-12 | 2021-12-31 | 中国航发商用航空发动机有限责任公司 | Reverse thrust blade cascade test system and test reverse thrust blade cascade thereof |
| CN113865838B (en) * | 2020-06-12 | 2023-08-11 | 中国航发商用航空发动机有限责任公司 | Reverse thrust blade cascade test system and test reverse thrust blade cascade thereof |
| CN113418716A (en) * | 2021-06-05 | 2021-09-21 | 西北工业大学 | Blade cascade experimental device with adjustable blade top clearance |
| CN113418716B (en) * | 2021-06-05 | 2024-05-31 | 西北工业大学 | Blade cascade experimental device with adjustable blade top gap |
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| Publication number | Publication date |
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| CN108757433B (en) | 2019-08-27 |
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