CN206470048U - Large-scale impeller overspeed test bench - Google Patents
Large-scale impeller overspeed test bench Download PDFInfo
- Publication number
- CN206470048U CN206470048U CN201621461733.6U CN201621461733U CN206470048U CN 206470048 U CN206470048 U CN 206470048U CN 201621461733 U CN201621461733 U CN 201621461733U CN 206470048 U CN206470048 U CN 206470048U
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- China
- Prior art keywords
- impeller
- seal cavity
- test bench
- scale
- tested
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- Expired - Fee Related
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Abstract
The utility model is related to air blower test fixture field, more particularly to a kind of impeller test tool.A kind of large-scale impeller overspeed test bench, including：One seal cavity；One is arranged on the impeller to be tested in seal cavity；One is located at the motor outside seal cavity；The drive shaft of the motor offers in the seal cavity in vacuum orifice, the drive shaft equipped with dynamic sealing pair to seal the gap between outer wall and drive shaft through drive connection impeller to be tested after the outer wall of seal cavity.The large-scale impeller overspeed test bench of the utility model has major diameter, heavy weight feature for large-scale impeller, impeller is arranged in vacuum cavity and tested, using the direct vertical drive of motor, to reduce the difficulty that overspeed test is carried out to large-scale impeller, the cost of test fixture is reduced, and substantially increases operating efficiency.
Description
Technical field
The utility model is related to air blower test fixture field, more particularly to a kind of impeller test tool.
Background technology
Impeller is blower fan, the necessary parts on compressor some rotary machine main shafts, and its major function is with being to fluid
Done work, the pressure head and flow velocity of lifting fluid.Impeller hypervelocity device can be widely used in these fields.For leaf
Take turns size and hypervelocity rotating speed different range requirement, first consider be impeller size and weight size, second will consider leaf
The size of wheel hypervelocity rotating speed, very big air-flow and axle can be produced when impeller size is more than 1.2m, weight and larger hypervelocity rotating speed
To thrust, conventional overspeed test equipment is difficult to meet, it is necessary to which a kind of specific equipment carries out overspeed test.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of large-scale impeller overspeed test bench, and the testing stand is directed to
Large-scale impeller has major diameter, heavy weight feature, and impeller is arranged in vacuum cavity and tested, and is directly hung down using motor
Straight driving, to reduce the difficulty that overspeed test is carried out to large-scale impeller, reduces the cost of test fixture, and substantially increase work
Make efficiency.
What the utility model was realized in：A kind of large-scale impeller overspeed test bench, including：
One seal cavity；
One is arranged on the impeller to be tested in seal cavity；
One is located at the motor outside seal cavity；
The drive shaft of the motor is through drive connection impeller to be tested after the outer wall of seal cavity, in the seal cavity
Offer and dynamic sealing pair is housed in vacuum orifice, the drive shaft to seal the gap between outer wall and drive shaft.
The seal cavity includes upper lid and lower shell, and the lower shell is open-topped cylinder, upper lid closure dress
At the opening at the top of lower shell, the lower shell inwall is additionally provided with a circle explosion-proof vent.
The lower shell is partly embedded in foundation ground.
The axially vertical setting of the impeller to be tested, the motor is fixedly mounted on the top of lid.
It is also equipped with testing sensor on the motor, the test sensor includes shaft position sensor, radial displacement
Sensor, speed probe and bearing temperature sensor.
The dynamic sealing pair is brush dynamic sealing pair or labyrinth seal pair.
The large-scale impeller overspeed test bench of the utility model has major diameter, heavy weight feature for large-scale impeller, by leaf
Wheel is arranged in vacuum cavity and tested, and using the direct vertical drive of motor, overspeed test is carried out to large-scale impeller to reduce
Difficulty, reduce the cost of test fixture, and substantially increase operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the large-scale impeller overspeed test bench of the utility model；
In figure：1 seal cavity, 2 impellers to be tested, 3 motors, 4 drive shafts, 5 vacuum orifices, 6 dynamic sealings are secondary, 7 tests are passed
Sensor, 8 foundation grounds, 9 shaft couplings, lid, 12 lower shells, 13 explosion-proof vents on 11.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model.In addition, it is to be understood that reading the content of the utility model statement
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
Embodiment 1
As shown in figure 1, a kind of large-scale impeller overspeed test bench, including seal cavity 1, impeller to be tested 2 and motor 3, institute
State impeller 2 to be tested to be arranged in seal cavity 1, the motor 3 is arranged on outside seal cavity 1；The drive shaft 4 of the motor 3
Vacuum orifice 5 is offered in drive connection impeller 2 to be tested, the seal cavity 1 after through the outer wall of seal cavity 1, it is described
Dynamic sealing pair 6 is housed in drive shaft 4 to seal the gap between outer wall and drive shaft 4.
In the present embodiment, in order to avoid the self gravitation of impeller 2 to be tested produce radial direction moment of torsion in overspeed test process
Middle influence stability and result of the test, the axially vertical setting of the impeller 2 to be tested, the motor 3 are fixedly mounted on lid
11 top, drive shaft 4 passes through the upper drive connection of lid 11 impeller 2 to be tested, passes through connection between drive shaft 4 and impeller to be tested 2
Axle device 9 is connected, and shaft coupling 9 is arranged on into the upper position of lid 11, makes shaft coupling 9 while playing a part of bearing, with simplified and steady
Determine structure；Now, the dynamic sealing pair 6 is arranged between shaft coupling 9 and upper lid 11, during ensureing to rotate in seal cavity 1
Vacuum, preferably, dynamic sealing pair 6 is brush dynamic sealing pair or labyrinth seal pair.
The utility model can be further depicted as, and the seal cavity 1 includes upper lid 11 and lower shell 12, the lower cylinder
Body 12 is open-topped cylinder, and the upper closure of lid 11 is at the opening at the top of lower shell 12, and the inwall of lower shell 12 is also
It is provided with a circle explosion-proof vent 13；In order to ensure the stability of testing stand during overspeed test, it is to avoid what resonance and other vibrations were caused
Interference, the lower shell 12 half is embedded in foundation ground 8, and by the interior explosion-proof vent 13 set make agent structure it is more solid,
Firmly, safety.
The utility model is directly driven on impeller 2 to be tested, motor 3 equipped with test sensing using the motor 3 of vertical placement
Device 7, the test sensor 7 includes shaft position sensor, radial displacement transducer, speed probe and bearing temperature sensing
Device；The vacuum when entirety of motor 3 and upper lid 11 are fixed with bolt and ensure overspeed test by dynamic sealing pair 6 in seal cavity 1.
Before the test, seal cavity 1 is vacuumized using vacuum orifice 5, to reduce the test load of impeller 2 to be tested.
Claims (6)
1. a kind of large-scale impeller overspeed test bench, it is characterized in that, including：
One seal cavity (1)；
One is arranged on the impeller to be tested (2) in seal cavity (1)；
One is located at the motor (3) of seal cavity (1) outside；
The drive shaft (4) of the motor (3) is described close through drive connection impeller to be tested (2) after the outer wall of seal cavity (1)
Offered on envelope cavity (1) and dynamic sealing secondary (6) is housed on vacuum orifice (5), the drive shaft (4) to seal outer wall and drive shaft
(4) gap between.
2. large-scale impeller overspeed test bench as claimed in claim 1, it is characterized in that：The seal cavity (1) includes upper lid
(11) and lower shell (12), the lower shell (12) is open-topped cylinder, and upper lid (11) closure is mounted in lower shell (12)
At the opening at top, lower shell (12) inwall is additionally provided with a circle explosion-proof vent (13).
3. large-scale impeller overspeed test bench as claimed in claim 2, it is characterized in that：The lower shell (12) is partly embedded in basis
In ground (8).
4. large-scale impeller overspeed test bench as claimed in claim 2, it is characterized in that：Hang down the axial direction of the impeller to be tested (2)
Straight to set, the motor (3) is fixedly mounted on the top of lid (11).
5. the large-scale impeller overspeed test bench as described in any one claim in Claims 1 to 4, it is characterized in that：The electricity
Test sensor (7) is also equipped with machine (3), the test sensor (7) includes shaft position sensor, radial displacement and sensed
Device, speed probe and bearing temperature sensor.
6. the large-scale impeller overspeed test bench as described in any one claim in Claims 1 to 4, it is characterized in that：It is described dynamic
Sealing pair (6) is brush dynamic sealing pair or labyrinth seal pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461733.6U CN206470048U (en) | 2016-12-29 | 2016-12-29 | Large-scale impeller overspeed test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461733.6U CN206470048U (en) | 2016-12-29 | 2016-12-29 | Large-scale impeller overspeed test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206470048U true CN206470048U (en) | 2017-09-05 |
Family
ID=59712333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621461733.6U Expired - Fee Related CN206470048U (en) | 2016-12-29 | 2016-12-29 | Large-scale impeller overspeed test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206470048U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643173A (en) * | 2017-10-30 | 2018-01-30 | 南京磁谷科技有限公司 | The mounting structure of impeller in a kind of overspeed test bench |
| CN107806437A (en) * | 2017-12-04 | 2018-03-16 | 南京磁谷科技有限公司 | A kind of magnetic suspension draught fan impeller overspeed test bench cooling system |
| CN107831005A (en) * | 2017-12-04 | 2018-03-23 | 南京磁谷科技有限公司 | A kind of magnetic suspension draught fan impeller overspeed test bench cover plate dolly |
| CN108709725A (en) * | 2018-04-27 | 2018-10-26 | 成都成发泰达航空科技有限公司 | A kind of overspeed whirling test stand |
| CN109236800A (en) * | 2018-10-23 | 2019-01-18 | 珠海格力智能装备有限公司 | Oil circuit system and testing machine with same |
-
2016
- 2016-12-29 CN CN201621461733.6U patent/CN206470048U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643173A (en) * | 2017-10-30 | 2018-01-30 | 南京磁谷科技有限公司 | The mounting structure of impeller in a kind of overspeed test bench |
| CN107643173B (en) * | 2017-10-30 | 2023-09-22 | 南京磁谷科技有限公司 | Impeller mounting structure in overspeed test bed |
| CN107806437A (en) * | 2017-12-04 | 2018-03-16 | 南京磁谷科技有限公司 | A kind of magnetic suspension draught fan impeller overspeed test bench cooling system |
| CN107831005A (en) * | 2017-12-04 | 2018-03-23 | 南京磁谷科技有限公司 | A kind of magnetic suspension draught fan impeller overspeed test bench cover plate dolly |
| CN107806437B (en) * | 2017-12-04 | 2023-09-22 | 南京磁谷科技有限公司 | Cooling system of magnetic suspension fan impeller overspeed test bed |
| CN108709725A (en) * | 2018-04-27 | 2018-10-26 | 成都成发泰达航空科技有限公司 | A kind of overspeed whirling test stand |
| CN109236800A (en) * | 2018-10-23 | 2019-01-18 | 珠海格力智能装备有限公司 | Oil circuit system and testing machine with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20191229 |