CN219956903U - Pneumatic frock of compression wheel - Google Patents
Pneumatic frock of compression wheel Download PDFInfo
- Publication number
- CN219956903U CN219956903U CN202321430223.2U CN202321430223U CN219956903U CN 219956903 U CN219956903 U CN 219956903U CN 202321430223 U CN202321430223 U CN 202321430223U CN 219956903 U CN219956903 U CN 219956903U
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- China
- Prior art keywords
- turbine
- air
- compression wheel
- mounting seat
- main shaft
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- 238000007906 compression Methods 0.000 title claims abstract description 43
- 230000006835 compression Effects 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Testing Of Engines (AREA)
Abstract
The utility model discloses a pneumatic tool for a compression wheel. Comprises a shell, a main shaft and a pneumatic mechanism; one end of the shell is provided with an air inlet and an air outlet, and the air inlet is perpendicular to the air outlet; a main shaft is arranged in the shell, a pneumatic mechanism and a compression wheel are respectively sleeved at two ends of the main shaft, and the compression wheel is positioned in the shell at one side of the air inlet and the air outlet; the pneumatic mechanism comprises a turbine, a mounting seat and a wind guide ring, wherein the mounting seat is arranged on the shell, the turbine is rotatably arranged on the mounting seat, the mounting seat and the turbine are sleeved on the main shaft, the wind guide ring is arranged on the mounting seat, and the wind guide ring is positioned at the periphery of the turbine; the air guide ring is provided with an air guide hole, the mounting seat on the periphery of the turbine is provided with a guide structure, the air guide hole and the guide structure are arranged towards the turbine blades, the air guide hole, the guide structure and the turbine blades form an air channel, the air flow drives the turbine to rotate through the air channel, and the turbine drives the compression wheel to rotate through the main shaft. The utility model adopts the pneumatic tool, thereby reducing the test error.
Description
Technical field:
the utility model belongs to the technical field of compressor turbine testing, and particularly relates to a pneumatic tool for a compression wheel.
The background technology is as follows:
when the aircraft turbine engine works, air is sucked from the outside through the air inlet end compression wheel, enters the engine to participate in combustion after the air passes through the air inlet end compression wheel to do work, and the combusted waste gas enters the exhaust end turbine to drive the exhaust end turbine to rotate and then be discharged, and the exhaust end turbine drives the air inlet end compression wheel to rotate so as to suck new air into the air inlet end.
After the production of the air inlet end compression wheel is completed, the working state of the air inlet end compression wheel needs to be tested. In the existing test equipment, a motor is generally adopted to drive a compression wheel at the air inlet end to rotate so as to test the working state of the test equipment. When the aircraft turbine engine works, the air inlet end compression wheel is driven to rotate by air flow, so that the aircraft turbine engine is different from the motor driving simulation working condition, and the test error is larger. How to design a pneumatic tool to drive the air inlet end compression wheel to rotate so as to achieve the working condition of the air inlet end compression wheel for testing is a problem to be solved.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
The utility model comprises the following steps:
the utility model aims to provide a pneumatic tool for a compression wheel, which drives the compression wheel to rotate through a pneumatic mechanism, so that the defects in the prior art are overcome.
In order to achieve the purpose, the utility model provides a pneumatic tool for a compression wheel, which comprises a shell, a main shaft and a pneumatic mechanism; one end of the shell is provided with an air inlet and an air outlet, and the air inlet is perpendicular to the air outlet; a main shaft is arranged in the shell, a pneumatic mechanism and a compression wheel are respectively sleeved at two ends of the main shaft, and the compression wheel is positioned in the shell at one side of the air inlet and the air outlet; the pneumatic mechanism comprises a turbine, a mounting seat and a wind guide ring, wherein the mounting seat is arranged on the shell, the turbine is rotatably arranged on the mounting seat, the mounting seat and the turbine are sleeved on the main shaft, the wind guide ring is arranged on the mounting seat, and the wind guide ring is positioned at the periphery of the turbine; the air guide ring is provided with an air guide hole, the mounting seat on the periphery of the turbine is provided with a guide structure, the air guide hole and the guide structure are arranged towards the turbine blades, the air guide hole, the guide structure and the turbine blades form an air channel, the air flow drives the turbine to rotate through the air channel, and the turbine drives the compression wheel to rotate through the main shaft.
Preferably, in the technical scheme, the air guide hole is arranged on a tangent line of the outer circle of the turbine.
Preferably, in the technical scheme, the included angle between the adjacent air guide holes is 60 degrees.
Preferably, in the technical scheme, the guide structure is an air deflector, the air deflector is circumferentially distributed on a mounting seat at the periphery of the outer circle of the turbine, and the air deflector is arranged on a tangent line of the outer circle of the turbine.
Preferably, in the technical scheme, the mounting seat is provided with a mounting groove, the turbine is arranged in the mounting groove, the turbine is in clearance fit with the mounting groove, the mounting groove is provided with an annular clamping block, the turbine bottom surface is provided with an annular clamping groove, the annular clamping block is in clearance fit with the annular clamping groove, the turbine is positioned through the annular clamping block and the annular clamping groove, and the turbine rotates in the mounting groove under the driving of air flow.
Compared with the prior art, the utility model has the following beneficial effects:
the pneumatic tool is used for replacing a motor to drive the compression wheel to rotate, and the air inlet and outlet of the turbine engine are simulated through an external air source, the turbine, the main shaft, the compression wheel, the air inlet and the air outlet, so that the compression wheel is tested, and the test error is reduced compared with motor driving.
Description of the drawings:
FIG. 1 is a schematic diagram of a pneumatic tool for a compression wheel according to the present utility model;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
the reference numerals are: 1-shell, 2-main shaft, 3-pneumatic mechanism, 4-compression wheel, 10-air inlet, 11-gas outlet, 30-turbine, 31-mount pad, 32-wind-guiding circle, 300-annular draw-in groove, 310-mounting groove, 311-annular fixture block, 312-aviation baffle, 320-wind-guiding hole.
The specific embodiment is as follows:
the following detailed description of specific embodiments of the utility model is, but it should be understood that the utility model is not limited to specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
1-2, a pneumatic tool for a compression wheel comprises a shell 1, a main shaft 2 and a pneumatic mechanism 3; an air inlet 10 and an air outlet 11 are formed in one end of the shell 1, and the air inlet 10 and the air outlet 11 are perpendicular to each other; a main shaft 2 is arranged in the shell 1, a pneumatic mechanism 3 and a compression wheel 4 are respectively sleeved at two ends of the main shaft 2, and the compression wheel 4 is positioned in the shell 1 at one side of an air inlet 10 and an air outlet 11; the pneumatic mechanism 3 comprises a turbine 30, a mounting seat 31 and a wind guide ring 32, wherein the mounting seat 31 is arranged on the shell 1, a mounting groove 310 is formed in the mounting seat 31, the turbine 30 is arranged in the mounting groove 310, the turbine 30 is in clearance fit with the mounting groove 310, an annular clamping block 311 is arranged in the mounting groove 310, an annular clamping groove 300 is formed in the bottom surface of the turbine 30, the annular clamping block 311 is in clearance fit with the annular clamping groove 300, the turbine 30 is positioned through the annular clamping block 311 and the annular clamping groove 300, the mounting seat 31 and the turbine 30 are sleeved on the main shaft 2, the wind guide ring 32 is arranged on the mounting seat 31, and the wind guide ring 32 is positioned at the periphery of the turbine 30; the wind guide ring 32 is provided with wind guide holes 320, the wind guide holes 320 are arranged on the tangent line of the outer circle of the turbine 30, the included angle between every two adjacent wind guide holes 320 is 60 degrees, wind guide plates 312 are circumferentially distributed on the mounting seat 31 on the outer periphery of the outer circle of the turbine 30, the wind guide plates 312 are arranged on the tangent line of the outer circle of the turbine 30, the wind guide holes 320 and the wind guide plates 312 are arranged towards the blades of the turbine 30, and the wind guide holes 320, the wind guide plates 312 and the blades of the turbine 30 form an air channel.
During testing, after the compression wheel 4 is installed, air is introduced into the air guide hole 320 by an external air source, waste gas generated after combustion of the turbine engine is simulated to enter the air guide hole 320, the air tangentially enters the turbine 30 after passing through the air guide hole 320 and the air guide plate 312, the air enters a gap between blades of the turbine 30, the blades of the turbine 30 are pushed to drive the turbine 30 to rotate in the installation groove 310, the main shaft 2 is driven to rotate, the compression wheel 4 is driven to rotate by the main shaft 2, negative pressure is formed at the air inlet 10, the external air enters from the air inlet 10, is discharged from the air outlet 11 after doing work through the compression wheel 4, and the air inlet and the air outlet of the turbine engine are simulated. The pneumatic tool is used for replacing a motor to drive the compression wheel to rotate, the compression wheel 4 is tested, and compared with motor driving, the testing error is reduced.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a pneumatic frock of compression wheel which characterized in that: comprises a shell, a main shaft and a pneumatic mechanism; one end of the shell is provided with an air inlet and an air outlet, and the air inlet is perpendicular to the air outlet; a main shaft is arranged in the shell, a pneumatic mechanism and a compression wheel are respectively sleeved at two ends of the main shaft, and the compression wheel is positioned in the shell at one side of the air inlet and the air outlet; the pneumatic mechanism comprises a turbine, a mounting seat and a wind guide ring, wherein the mounting seat is arranged on the shell, the turbine is rotatably arranged on the mounting seat, the mounting seat and the turbine are sleeved on the main shaft, the wind guide ring is arranged on the mounting seat, and the wind guide ring is positioned at the periphery of the turbine; the air guide ring is provided with an air guide hole, the mounting seat on the periphery of the turbine is provided with a guide structure, the air guide hole and the guide structure are arranged towards the turbine blades, the air guide hole, the guide structure and the turbine blades form an air channel, the air flow drives the turbine to rotate through the air channel, and the turbine drives the compression wheel to rotate through the main shaft.
2. The pneumatic tool of the compression wheel according to claim 1, wherein: the wind guide hole is arranged on a tangent line of the outer circle of the turbine.
3. The pneumatic tool of the compression wheel according to claim 1 or 2, wherein: the included angle between the adjacent wind guide holes is 60 degrees.
4. The pneumatic tool of the compression wheel according to claim 1 or 2, wherein: the guide structure is an air deflector which is circumferentially distributed on a mounting seat at the periphery of the outer circle of the turbine, and the air deflector is arranged on a tangential line of the outer circle of the turbine.
5. The pneumatic tool of the compression wheel according to claim 1, wherein: be provided with the mounting groove on the mount pad, the turbine setting is in the mounting groove, turbine and mounting groove clearance fit are provided with annular fixture block in the mounting groove, are provided with annular draw-in groove on the turbine bottom surface, annular fixture block and annular draw-in groove clearance fit, through annular fixture block, annular draw-in groove location turbine, the turbine rotates in the mounting groove under the air current drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430223.2U CN219956903U (en) | 2023-06-07 | 2023-06-07 | Pneumatic frock of compression wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430223.2U CN219956903U (en) | 2023-06-07 | 2023-06-07 | Pneumatic frock of compression wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956903U true CN219956903U (en) | 2023-11-03 |
Family
ID=88553147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321430223.2U Active CN219956903U (en) | 2023-06-07 | 2023-06-07 | Pneumatic frock of compression wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956903U (en) |
-
2023
- 2023-06-07 CN CN202321430223.2U patent/CN219956903U/en active Active
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