CN102207418A - Integrated test stand of high-speed high-pressure air seal for rotating shaft - Google Patents
Integrated test stand of high-speed high-pressure air seal for rotating shaft Download PDFInfo
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- CN102207418A CN102207418A CN 201110084701 CN201110084701A CN102207418A CN 102207418 A CN102207418 A CN 102207418A CN 201110084701 CN201110084701 CN 201110084701 CN 201110084701 A CN201110084701 A CN 201110084701A CN 102207418 A CN102207418 A CN 102207418A
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Abstract
The invention relates to an integrated test stand of a high-speed high-pressure air seal for a rotating shaft, belonging to the field of air-seal test stands. The integrated test stand of the high-speed high-pressure air seal for the rotating shaft is characterized in that a load-bearing seal cavity body of the integrated test stand and an armature used for driving a high-speed rotating shaft to rotate are integrated. An integrally-forged cavity body and end cover symmetrically arranged at two sides constitute the load-bearing seal cavity through seal rings,; an armature rotor and an armature stator are installed in the load-bearing seal cavity, three-phase alternating current is led into the armature stator through a load-bearing connecting terminal, and a jacket water-cooling structureis arranged on the cavity body; the rotating shaft (namely the high-speed rotating shaft) is supported by bearings mounted on the end covers, the overhang parts at two sides of the rotating shaft are the main shaft for seal test, and the rotating shaft takes a shape of twin cantilevers; and multiple screwed hole structures are circumferentially uniformly distributed on the outer surfaces of the end covers. According to the integrated test stand provided by the invention, high-pressure air seals with various sizes can be tested, when mechanical seals are installed at two sides, the axial force is automatically balanced, the seals are convenient to dismount, and the integrated test stand is an important means for studying and developing a high-speed high-pressure air seal device used for the rotating shaft.
Description
Technical field
The present invention relates to air seal testing table field, more particularly, relate to a kind of turning axle high speed and high pressure air seal (hereinafter to be referred as sealing) integration test platform.
Background technology
Turning axle is widely used in the sealing experiment of all gases, as dry gas, labyrinth, brush seal etc. with high speed and high pressure leakage test platform.
Turning axle in the known technology is made up of motor, low-speed shaft coupler, gear increaser mechanism, high speed shaft coupling, lubricating system, cooling system, instrument, test mechanism and testing tool with high speed and high pressure leakage test platform.Mainly there is following problem in this class leakage test platform:
1, establishes seal chamber in addition, the simulation vaccum working condition.
2, establish the experiment rotating shaft in addition, one-sided often cantilevered, axial force can not balance.
3, system complex, mechanism is many, so it needs complicated lubricating system, big, the poor reliability of vibration, and noise pollution is very serious.
4, inconvenience is installed, needs the dismounting shaft coupling that sealing is installed, precision is low.
5, cost height, energy consumption are big.
Yet there are no so far can balancing axial thrust, reduce the main shaft span, improve critical rotary speed, can save speed increasing mechanism and integration test platform simple in structure again, and promptly integrated seal and pressure bearing cavity drives in one with an electricity that drives the axle rotation that runs up.
Summary of the invention
In order to solve the problems of the technologies described above, the object of the present invention is to provide a kind of simple in structure, efficient is high, running is steady, and integrated seal and pressure bearing cavity and the electricity that drives the axle rotation that runs up drive the testing table in one.
The invention provides a kind of turning axle with the integrated leakage test platform of high speed and high pressure gas, it is characterized in that: comprise that cavity 8, end cap 1, electricity drive stator 6, electricity turns son 7, rotating shaft 5, pressure-bearing connection terminal 3, bearing 9, O-ring seal 11; The seal and pressure bearing cavity of integration test platform drives in one with the electricity that drives the axle rotation that runs up, constitute pressure bearing and seal chamber 2 by monoblock cast cavity 8 and symmetria bilateralis installation end cover 1, electricity turns son 7 and electricity drives stator 6 and is contained in the pressure bearing and seal chamber 2, and electricity drives wiring and drawn by pressure-bearing connection terminal 3; Rotating shaft 5 is the double extension shaft structure, is supported by the bearing 9 that is installed on the end cap 1, is double cantalever type; Gas is introduced by gas port 10.
Described cavity 8 has chuck 4 water-cooling structures.
Described symmetria bilateralis installation end cover 1 and rotating shaft 5 concentric installations have bearing block structure on the end cap 1.
Described pressure-bearing connection terminal 3 is made up of metal lead wire post, insulation sleeve and sealing rubber pad; The metal lead wire post is installed in the left side or the right side of housing perpendicular to shaft centerline, and the metal lead wire post is provided with helicitic texture, and sealing rubber pad is installed in metal lead wire post two ends up and down by the helicitic texture symmetry.
Described gas port 10 circumference uniform distribution radiuses are less than end cap 1 seam radius.
Electricity drives and can run up under higher gas vibration, and motor is by chuck 4 water-cooleds, and downside is intake, the upside water outlet; The salable gases at high pressure of pressure-bearing connection terminal 3 place's structures are introduced three-phase alternating current.Rotating shaft 5 is that high speed shaft is the double extension shaft structure, and its both sides sponson is the leakage test main shaft, is supported by the bearing 9 that is installed on the end cap 1, is double cantalever type.Can test two cover sealings simultaneously, the pressure-bearing cavity of test forms closed cavity under two cover sealing functions, the simulation real working condition, and gas is introduced balancing axial thrust by the gas port 10 that circumference uniform distribution is located on the end cap 1; Double extension shaft also can be tested the double seals of axial force self-balancing on one-sided axle, can test two covers or two different axial force self-balancings sealings simultaneously.The outside surface of end cap 1 has many thread pore structures of circumference uniform distribution, can test the sealing of various sizes gases at high pressure, when bilateral is installed mechanical seal, and axial force automatic balancing, sealing easy accessibility.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the integrated seal and pressure bearing cavity of the present invention drives in one with the electricity that drives the axle rotation that runs up, constitute the pressure bearing and seal chamber by cavity and end cap, electricity turns son and electricity drives stator and is contained in the pressure bearing and seal chamber, electricity drives wiring and is drawn by the pressure-bearing connection terminal, can test the gases at high pressure sealing on the higher gas vibrating motor output shaft thereby the driving rotor drives to be sealed in.
2, the present invention can test the high speed and high pressure air seal of various sizes multiterminal face, rotating shaft (being high speed shaft) but support by the high speed grease lubricating bearing of bearing thrust, rotating shaft is the double extension shaft structure, its both sides sponson is the leakage test main shaft, bearings by being installed on the end cap is double cantalever type.When testing two cover sealings simultaneously, the pressure-bearing cavity of test forms closed cavity under two cover sealing functions, the simulation real working condition, and gas is introduced by gas port, balancing axial thrust; Also can on one-sided axle, test the double seals of axial force self-balancing, can test two covers or two different axial force self-balancings sealings simultaneously.
3, the present invention does not have complicated speed increasing mechanism, and tested sealing directly is installed in rotating shaft, has improved installation accuracy; Directly regulate rotating speed, saved complicated lubricating system by variable-frequency motor; Directly, saved complicated cooling system by casing chuck water-cooled; Reduce vibration and noise, improved reliability.
Description of drawings
Below in conjunction with the present invention is further detailed explanation with embodiment.
Fig. 1 is a structural representation of the present invention
1 is end cap; 2 is the pressure bearing and seal chamber; 3 is the pressure-bearing connection terminal; 4 is chuck; 5 are rotating shaft (being high speed shaft); 6 drive stator for electricity; 7 turn son for electricity; 8 is cavity; 9 is bearing; 10 is gas port; 11 is O-ring seal.
Fig. 2 is an example of the present invention synoptic diagram
12 and 13 is the Double End dry gas seals.
Fig. 3 is another example schematic of the present invention
14 is centrifugal seal.
The present invention is further described below in conjunction with accompanying drawing and example.
Embodiment
With reference to Fig. 2, the present invention constitutes pressure bearing and seal chamber 2 by cavity 8 and end cap 1, and by O-ring seal 11 sealings, pressure can reach 10MPa; Electricity turns son 7 and electricity drives stator 6 and is contained in the pressure bearing and seal chamber 2, and electricity drives and can run up under higher gas vibration, and motor is by chuck 4 water-cooleds, downside water inlet, upside water outlet; The salable gases at high pressure of pressure-bearing connection terminal 3 place's structures are introduced three-phase alternating current.Rotating shaft 5 (being high speed shaft) is the double extension shaft structure, and its both sides sponson is the leakage test main shaft, is supported by the bearing 9 that is installed on the end cap 1, is double cantalever type.Many thread pore structures that circumference uniform distribution is arranged by the outside surface of end cap 1, secondary Double End dry gas seals 12 and 13 o'clock are installed on double extension shaft, and gas enters pressure bearing and seal cavity 2 by the gas port 10 that circumference uniform distribution is located on the end cap 1, forms seal chamber, the simulation real working condition, balancing axial thrust.With reference to Fig. 3, many thread pore structures of circumference uniform distribution also can be arranged by the outside surface of end cap 1, the Double End centrifugal seal 14 of axial force self-balancing is installed, simulation real working condition, self-balanced thrust on one-sided (left side or right side) axle.
Major parameter of the present invention is:
Rotating speed 0～16000r/min
Tested sealing load 0～10MPa
Tested closure size scope 60mm～250mm.
Claims (5)
1. turning axle is characterized in that: comprise that cavity (8), end cap (1), electricity drive stator (6), electricity turns son (7), rotating shaft (5), pressure-bearing connection terminal (3), bearing (9), O-ring seal (11) with high speed and high pressure air seal integration test platform; The seal and pressure bearing cavity of integration test platform drives in one with the electricity that drives the axle rotation that runs up, constitute pressure bearing and seal chamber (2) by monoblock cast cavity (8) and symmetria bilateralis installation end cover (1), electricity turns son (7) and electricity and drives stator (6) and be contained in the pressure bearing and seal chamber (2), and electricity drives wiring and drawn by pressure-bearing connection terminal (3); Rotating shaft (5) is the double extension shaft structure, is supported by the bearing (9) that is installed on the end cap (1), is double cantalever type; Gas is introduced by gas port (10).
2. turning axle according to claim 1 high speed and high pressure air seal integration test platform, it is characterized in that: described cavity (8) has chuck (4) water-cooling structure.
3. turning axle according to claim 1 high speed and high pressure air seal integration test platform, it is characterized in that: described symmetria bilateralis installation end cover (1) and the concentric installation of rotating shaft (5), end cap has bearing block structure on (1).
4. turning axle according to claim 1 high speed and high pressure air seal integration test platform, it is characterized in that: described pressure-bearing connection terminal (3) is made up of metal lead wire post, insulation sleeve and sealing rubber pad; The metal lead wire post is installed in the left side or the right side of housing perpendicular to shaft centerline, and the metal lead wire post is provided with helicitic texture, and sealing rubber pad is installed in metal lead wire post two ends up and down by the helicitic texture symmetry.
5. turning axle according to claim 1 high speed and high pressure air seal integration test platform, it is characterized in that: described gas port (10) circumference uniform distribution radius is less than end cap (1) seam radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110084701 CN102207418A (en) | 2011-04-06 | 2011-04-06 | Integrated test stand of high-speed high-pressure air seal for rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110084701 CN102207418A (en) | 2011-04-06 | 2011-04-06 | Integrated test stand of high-speed high-pressure air seal for rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102207418A true CN102207418A (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110084701 Pending CN102207418A (en) | 2011-04-06 | 2011-04-06 | Integrated test stand of high-speed high-pressure air seal for rotating shaft |
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| CN (1) | CN102207418A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091056A (en) * | 2013-01-14 | 2013-05-08 | 清华大学 | Multifunctional brush type sealing experiment system |
| CN105067194A (en) * | 2015-05-28 | 2015-11-18 | 中航光电科技股份有限公司 | Sealing detection device and method for electric rotating connector |
| CN107701596A (en) * | 2017-10-30 | 2018-02-16 | 南京磁谷科技有限公司 | A kind of top chock in overspeed test bench main frame |
| CN110031156A (en) * | 2019-04-29 | 2019-07-19 | 西安永华集团有限公司 | A kind of both-end sealing dynamic field investigation platform and method |
| CN110057579A (en) * | 2019-05-27 | 2019-07-26 | 中国船舶工业集团公司第七0八研究所 | Bear the marine propeller shafting tachometric survey structure of external and internal pressure |
| CN111272353A (en) * | 2020-02-18 | 2020-06-12 | 中国科学院工程热物理研究所 | Experimental system and method for closed type rotating machinery gas sealing element |
| CN112502859A (en) * | 2020-10-09 | 2021-03-16 | 蓝箭航天技术有限公司 | High-speed dynamic sealing element test device for rocket engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096799A (en) * | 1965-10-04 | 1967-12-29 | Hitachi Ltd | Dust prevention device |
| JPS6043038A (en) * | 1983-08-15 | 1985-03-07 | Ebara Corp | Underwater motor |
| CN2039370U (en) * | 1988-10-07 | 1989-06-14 | 天津克兰密封有限公司 | Test table for sealing device for revolving shaft |
| CN2516758Y (en) * | 2001-12-27 | 2002-10-16 | 天津新技术产业园区鼎名密封有限公司 | Three-pivot-point seal testing device |
| JP3856918B2 (en) * | 1997-08-11 | 2006-12-13 | 株式会社鶴見製作所 | Lubricating oil retaining device for sliding surface of oil chamber shaft seal device in submersible pump |
| CN201464132U (en) * | 2009-08-21 | 2010-05-12 | 石家庄强大密封有限公司 | Mechanical seal dynamic and static pressure test device |
-
2011
- 2011-04-06 CN CN 201110084701 patent/CN102207418A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096799A (en) * | 1965-10-04 | 1967-12-29 | Hitachi Ltd | Dust prevention device |
| JPS6043038A (en) * | 1983-08-15 | 1985-03-07 | Ebara Corp | Underwater motor |
| CN2039370U (en) * | 1988-10-07 | 1989-06-14 | 天津克兰密封有限公司 | Test table for sealing device for revolving shaft |
| JP3856918B2 (en) * | 1997-08-11 | 2006-12-13 | 株式会社鶴見製作所 | Lubricating oil retaining device for sliding surface of oil chamber shaft seal device in submersible pump |
| CN2516758Y (en) * | 2001-12-27 | 2002-10-16 | 天津新技术产业园区鼎名密封有限公司 | Three-pivot-point seal testing device |
| CN201464132U (en) * | 2009-08-21 | 2010-05-12 | 石家庄强大密封有限公司 | Mechanical seal dynamic and static pressure test device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091056A (en) * | 2013-01-14 | 2013-05-08 | 清华大学 | Multifunctional brush type sealing experiment system |
| CN103091056B (en) * | 2013-01-14 | 2015-02-18 | 清华大学 | Multifunctional brush type sealing experiment system |
| CN105067194A (en) * | 2015-05-28 | 2015-11-18 | 中航光电科技股份有限公司 | Sealing detection device and method for electric rotating connector |
| CN107701596A (en) * | 2017-10-30 | 2018-02-16 | 南京磁谷科技有限公司 | A kind of top chock in overspeed test bench main frame |
| CN110031156A (en) * | 2019-04-29 | 2019-07-19 | 西安永华集团有限公司 | A kind of both-end sealing dynamic field investigation platform and method |
| CN110057579A (en) * | 2019-05-27 | 2019-07-26 | 中国船舶工业集团公司第七0八研究所 | Bear the marine propeller shafting tachometric survey structure of external and internal pressure |
| CN111272353A (en) * | 2020-02-18 | 2020-06-12 | 中国科学院工程热物理研究所 | Experimental system and method for closed type rotating machinery gas sealing element |
| CN111272353B (en) * | 2020-02-18 | 2021-09-07 | 中国科学院工程热物理研究所 | Experimental system and method for closed type rotating machinery gas sealing element |
| CN112502859A (en) * | 2020-10-09 | 2021-03-16 | 蓝箭航天技术有限公司 | High-speed dynamic sealing element test device for rocket engine |
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Application publication date: 20111005 |