CN113916519A - Flow guide rotation test bed - Google Patents
Flow guide rotation test bed Download PDFInfo
- Publication number
- CN113916519A CN113916519A CN202111157261.0A CN202111157261A CN113916519A CN 113916519 A CN113916519 A CN 113916519A CN 202111157261 A CN202111157261 A CN 202111157261A CN 113916519 A CN113916519 A CN 113916519A
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- China
- Prior art keywords
- sealing ring
- fixed shaft
- diversion
- platform
- sealing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
Abstract
The invention belongs to the technical field of rotating test beds, and particularly relates to a flow guide rotating test bed. The sealing ring assembly comprises a fixed shaft (1), a plurality of sealing ring assemblies (2), a rotating platform (3), a turntable bearing (4) and a platform driving device (5); the fixed shaft (1) is arranged on the platform driving device (5) through a turntable bearing (4), and the fixed shaft (1) is sequentially provided with a plurality of sealing ring assemblies (2). By adopting the rotary diversion test platform, the tested equipment can be verified under the normal working condition without deviating from the original test requirement, the change rule of the equipment performance under the condition of environmental influence can be fully verified, and a powerful reference basis is provided for the equipment performance change in the using process.
Description
Technical Field
The invention belongs to the technical field of rotation test beds, and particularly relates to a flow guide rotation test bed, in particular to a rotation test bed which is provided with a liquid channel in a rotating shaft and guides flow through a sealing ring.
Background
The environment test of the civil aircraft airborne equipment is a basic requirement for verifying the functions and the performances of the airborne equipment under various use conditions, and the product is generally required to be in a normal working state continuously in the test. For some airborne equipment needing to be simultaneously intervened by electric and working media, such as a hydraulic pump, a fuel pump and the like, or airborne equipment with obvious influence of acceleration on working performance, such as a one-way valve and the like, at present, a test method of testing under a non-working state and verifying product functions and performance after the test is usually adopted in the test process, and the influence of a tested object under the actual working condition cannot be reflected.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the rotary test bed with the flow guide function is provided, which can ensure that the tested equipment is under the normal working condition and accurately verified according to the test environment requirement.
The technical scheme adopted for solving the problems in the prior art is as follows: in order to realize the purpose of the invention, the invention provides a diversion rotation test bed which is characterized by comprising a fixed shaft 1, a plurality of sealing ring assemblies 2, a rotating platform 3, a turntable bearing 4 and a platform driving device 5; the fixed shaft 1 is arranged on a platform driving device 5 through a turntable bearing 4, and the fixed shaft 1 is sequentially provided with a plurality of sealing ring assemblies 2.
The sealing ring component 2 comprises a sealing ring 22, a bearing 24 and a sealing ring 26; an annular channel 21 is arranged in the middle of the inner wall of the sealing ring, sealing grooves 23 are formed in two sides of the annular channel 21, the sealing grooves 23 are aligned with the sealing grooves 14 on the fixing shaft 1, and the sealing rings 22 are installed in the sealing grooves 23 and the sealing grooves 14; bearing grooves 23 are formed in two end faces of the sealing ring, and the bearings 24 are installed in the bearing grooves 23; a diversion hole 27 is arranged between the outer end face of the sealing ring and the annular channel 21.
The outside of fixed axle 1 sets up a plurality of and sealing ring assembly 2 complex stair structure 11 from last to down, fixed axle 1 is inside to have water conservancy diversion passageway 12, each set up a water conservancy diversion hole 13 that link up with water conservancy diversion passageway 12 on the stair structure 11, set up seal groove 14 on the axle of water conservancy diversion hole 13 both ends.
When the sealing ring assembly 2 is installed on the fixed shaft 1, the annular channel 21 is aligned with the diversion hole 13.
A bearing groove 31 is formed in the middle of the rotary platform 3, and the turntable bearing 4 is installed in the bearing groove 31; the lower part of the rotary platform is provided with a connecting shaft 32, the connecting shaft 32 is directly connected with the platform driving device 5, the platform 3 is provided with a conducting ring 33, and the conducting ring 33 supplies power to the tested equipment through a bus bar 34.
When the test is carried out, the external test medium guides the medium into the annular channel 21 through the guide holes 13 and then conveys the medium to the tested equipment through the guide holes 27; the medium circulated by the tested device returns to the annular channel 21 through the diversion hole 27 in another loop, and is conveyed to the external circulation system of the test bed through the diversion hole 13.
The stepped structures 11 on the fixed shaft 1 are all coaxial.
The inner cavities of the sealing ring assemblies 2 are circular, and the diameters of the sealing ring assemblies 2 on the fixing shaft 1 are gradually increased from top to bottom.
The rotating flow guide test platform has the advantages that the rotating flow guide test platform can realize the verification of the tested equipment under the normal working condition, and does not deviate from the original test requirements. The change rule of the equipment performance under the condition of environmental influence can be fully verified, and a powerful reference basis is provided for the change of the equipment performance in the using process.
Drawings
FIG. 1 is a schematic view of a structure of a diversion rotation test stand of the present invention
FIG. 2 is a cross-sectional view of the flow-guiding rotation test bed of the present invention
FIG. 3 is a schematic view of a fixing shaft according to an embodiment of the present invention
FIG. 4 is a schematic view of a seal ring according to an embodiment of the present invention
FIG. 5 is a schematic view of a rotary platform according to an embodiment of the present invention
Wherein: 1. the device comprises a fixed shaft, 2 parts of a sealing ring, 3 parts of a rotary platform, 4 parts of a turntable bearing and 5 parts of a platform driving device.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 and 2, the diversion rotation test stand comprises a fixed shaft 1, a plurality of sealing ring assemblies 2, a rotating platform 3, a turntable bearing 4 and a platform driving device 5; the fixed shaft 1 is arranged on a platform driving device 5 through a turntable bearing 4, and the fixed shaft 1 is sequentially provided with a plurality of sealing ring assemblies 2.
As shown in fig. 4, the seal ring assembly 2 includes a seal ring 22, a bearing 24, a seal ring 26; an annular channel 21 is arranged in the middle of the inner wall of the sealing ring, sealing grooves 23 are formed in two sides of the annular channel 21, the sealing grooves 23 are aligned with the sealing grooves 14 on the fixing shaft 1, and the sealing rings 22 are installed in the sealing grooves 23 and the sealing grooves 14; bearing grooves 23 are formed in two end faces of the sealing ring, and the bearings 24 are installed in the bearing grooves 23; a diversion hole 27 is arranged between the outer end face of the sealing ring and the annular channel 21.
As shown in fig. 3, the outside of the fixing shaft 1 is provided with a plurality of stepped structures 11 matched with the sealing ring assembly 2 from top to bottom, the inside of the fixing shaft 1 is provided with a flow guide channel 12, each of the stepped structures 11 is provided with a flow guide hole 13 communicated with the flow guide channel 12, and two end shafts of the flow guide hole 13 are provided with sealing grooves 14.
When the sealing ring assembly 2 is installed on the fixed shaft 1, the annular channel 21 is aligned with the diversion hole 13.
A bearing groove 31 is formed in the middle of the rotary platform 3, and the turntable bearing 4 is installed in the bearing groove 31; the lower part of the rotary platform is provided with a connecting shaft 32, the connecting shaft 32 is directly connected with the platform driving device 5, the platform 3 is provided with a conducting ring 33, and the conducting ring 33 supplies power to the tested equipment through a bus bar 34.
When the test is carried out, the external test medium guides the medium into the annular channel 21 through the guide holes 13 and then conveys the medium to the tested equipment through the guide holes 27; the medium circulated by the tested device returns to the annular channel 21 through the diversion hole 27 in another loop, and is conveyed to the external circulation system of the test bed through the diversion hole 13.
In one possible embodiment, the fixed shaft 1 has five stages of the stepped structures 11, the upper four-stage stepped structure 11 is used for guiding media, and the fifth stage is used for connecting the fixed shaft 1 and the rotating platform 3; four diversion holes 13 are formed in the fixed shaft 1, so that the verification that two paths of media enter and exit equipment simultaneously can be realized.
In a possible embodiment, the rotating platform 3 supplies the test piece to be tested with two conductive rings 33 and two bus bars 34.
The specific operation method of the pipeline control valve of the present invention will now be described with reference to the accompanying drawings.
In the structure diagram shown in fig. 1, a working medium pipeline circularly connected with the outside is arranged at the upper part of a fixed shaft 1, a working medium flows downwards from a flow guide channel 12 in the fixed shaft 1, enters a sealing ring component 2 through a flow guide hole 13 and is filled in an annular channel 21, and two ends of the sealing ring component 2 are connected with the fixed shaft 1 through bearings 4, so that the sealing ring 2 can synchronously rotate along with a test object on a rotating platform 3. Sealing rings 22 are arranged in sealing grooves 23 at two ends of the annular channel 21, so that the continuity of the whole medium circulation can be ensured.
The required number of diversion channels is selected according to test requirements, the device is connected to the inlet and the outlet of the device according to the working principle of the tested device, and the device is connected with an external circulating system through a diversion test bed.
Two conducting rings 33 are arranged on a rotating shaft at the lower part of the rotating platform 3 and are connected with a power supply outside the test bed through electric brushes. The conductive ring 33 switches power to the bus bar 34, and the device under test draws power from the bus bar 34.
During the test, the platform driving device 5 drives the rotary platform 3 and the tested equipment arranged on the rotary platform 3 to rotate according to the specified rotating speed, the sealing ring 2 rotates along with the connecting pipeline of the tested equipment, and the tested equipment continuously transmits a medium, so that the working state and the working performance of the tested equipment under the applied environmental conditions are monitored.
Claims (8)
1. A diversion rotation test stand is characterized by comprising a fixed shaft (1), a plurality of sealing ring assemblies (2), a rotating platform (3), a turntable bearing (4) and a platform driving device (5); the fixed shaft (1) is arranged on the platform driving device (5) through a turntable bearing (4), and the fixed shaft (1) is sequentially provided with a plurality of sealing ring assemblies (2).
2. The flow-guiding rotation test stand of claim 1, wherein the seal ring assembly (2) comprises a seal ring (22), a bearing (24), a seal ring (26); an annular channel (21) is arranged in the middle of the inner wall of the sealing ring, sealing grooves (23) are formed in two sides of the annular channel (21), the sealing grooves (23) are aligned with the sealing groove (14) in the fixed shaft (1), and the sealing ring (22) is installed in the sealing groove (23) and the sealing groove (14); bearing grooves (23) are formed in two end faces of the sealing ring, and the bearings (24) are installed in the bearing grooves (23); a diversion hole (27) is arranged between the outer end face of the sealing ring and the annular channel (21).
3. The diversion rotation test stand according to claim 1, wherein a plurality of stepped structures (11) matched with the sealing ring assembly (2) are arranged outside the fixed shaft (1) from top to bottom, a diversion channel (12) is arranged inside the fixed shaft (1), each stepped structure (11) is provided with a diversion hole (13) communicated with the diversion channel (12), and sealing grooves (14) are axially arranged at two ends of each diversion hole (13).
4. The flow guide rotation test stand according to claim 1, wherein the annular channel (21) is aligned with the flow guide hole (13) when the seal ring assembly (2) is mounted on the stationary shaft (1).
5. The flow-guiding rotation test bed of claim 1, characterized in that a bearing groove (31) is arranged in the middle of the rotary platform (3), and the turntable bearing (4) is installed in the bearing groove (31); the rotary platform is characterized in that a connecting shaft (32) is arranged on the lower portion of the rotary platform, the connecting shaft (32) is directly connected with a platform driving device (5), a conducting ring (33) is arranged on the platform (3), and the conducting ring (33) supplies power to tested equipment through a bus bar (34).
6. The flow-guided rotary test stand of claim 1, wherein when performing a test, an external test medium is guided into the annular channel (21) through the flow-guiding holes (13) and is then conveyed to the device under test through the flow-guiding holes (27); the medium circulated by the tested equipment returns to the annular channel (21) through the diversion holes (27) in the other loop, and is conveyed to the external circulation system of the test bed through the diversion holes (13).
7. The flow-guiding rotation test stand according to claim 1, characterized in that the stepped structures (11) on the fixed shaft (1) are coaxial.
8. The diversion rotation test stand of claim 1, wherein the inner cavity of the plurality of sealing ring assemblies (2) is circular, and the diameters of the plurality of sealing ring assemblies (2) on the fixed shaft (1) are gradually increased from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157261.0A CN113916519A (en) | 2021-09-30 | 2021-09-30 | Flow guide rotation test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157261.0A CN113916519A (en) | 2021-09-30 | 2021-09-30 | Flow guide rotation test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113916519A true CN113916519A (en) | 2022-01-11 |
Family
ID=79237360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111157261.0A Pending CN113916519A (en) | 2021-09-30 | 2021-09-30 | Flow guide rotation test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113916519A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB497873A (en) * | 1936-11-09 | 1938-12-30 | Robert Forkardt | Improvements in multi-spindle automatic turret lathes and like machines with an indexible work spindle turret |
| GB568118A (en) * | 1939-05-09 | 1945-03-20 | R A D Ltd | Hydraulic control for guns and gun turrets |
| CN201120550Y (en) * | 2007-11-29 | 2008-09-24 | 中国工程物理研究院机械制造工艺研究所 | Liquid dipping numerical control turning table |
| RU2480729C1 (en) * | 2011-10-11 | 2013-04-27 | Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") | Test bench for rotating elements of machine structures |
| JP2015217660A (en) * | 2014-05-21 | 2015-12-07 | 日精樹脂工業株式会社 | Rotary type vertical tightening device |
| CN105797613A (en) * | 2014-12-27 | 2016-07-27 | 卡梅德生物科技（天津）有限公司 | Biological medicine extraction emulsifying machine |
| CN106002469A (en) * | 2016-07-26 | 2016-10-12 | 山东鲁南机床有限公司 | Mechanism for transmitting fluid medium between crossed rotary components |
| CN106500979A (en) * | 2016-11-16 | 2017-03-15 | 南京航空航天大学 | For Study of Fluid components of system as directed part revolving property testing stand and method |
| CN106516179A (en) * | 2015-09-10 | 2017-03-22 | 北京卫星环境工程研究所 | Electric rotating table under vacuum low-temperature environment |
-
2021
- 2021-09-30 CN CN202111157261.0A patent/CN113916519A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB497873A (en) * | 1936-11-09 | 1938-12-30 | Robert Forkardt | Improvements in multi-spindle automatic turret lathes and like machines with an indexible work spindle turret |
| GB568118A (en) * | 1939-05-09 | 1945-03-20 | R A D Ltd | Hydraulic control for guns and gun turrets |
| CN201120550Y (en) * | 2007-11-29 | 2008-09-24 | 中国工程物理研究院机械制造工艺研究所 | Liquid dipping numerical control turning table |
| RU2480729C1 (en) * | 2011-10-11 | 2013-04-27 | Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") | Test bench for rotating elements of machine structures |
| JP2015217660A (en) * | 2014-05-21 | 2015-12-07 | 日精樹脂工業株式会社 | Rotary type vertical tightening device |
| CN105797613A (en) * | 2014-12-27 | 2016-07-27 | 卡梅德生物科技（天津）有限公司 | Biological medicine extraction emulsifying machine |
| CN106516179A (en) * | 2015-09-10 | 2017-03-22 | 北京卫星环境工程研究所 | Electric rotating table under vacuum low-temperature environment |
| CN106002469A (en) * | 2016-07-26 | 2016-10-12 | 山东鲁南机床有限公司 | Mechanism for transmitting fluid medium between crossed rotary components |
| CN106500979A (en) * | 2016-11-16 | 2017-03-15 | 南京航空航天大学 | For Study of Fluid components of system as directed part revolving property testing stand and method |
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