CN104142215B - The method of testing and its device of a kind of sliding-contact packing sealing property - Google Patents
The method of testing and its device of a kind of sliding-contact packing sealing property Download PDFInfo
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- CN104142215B CN104142215B CN201410334770.XA CN201410334770A CN104142215B CN 104142215 B CN104142215 B CN 104142215B CN 201410334770 A CN201410334770 A CN 201410334770A CN 104142215 B CN104142215 B CN 104142215B
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Abstract
The invention discloses a kind of method of testing of sliding-contact packing sealing property and its device, described device includes test-bed, outer barrel, the sealing ring mounting ring for installing sealing ring, sealing main shaft, tension-compression sensor, tray, straight reciprocating motion apparatus, servicing unit and detection means, described outer barrel is installed in by support on described test-bed, and described detection means and described servicing unit are connected with the hole being arranged on described outer barrel respectively；Described sealing ring mounting ring is arranged in described outer barrel, and the two ends of described outer barrel, which are compressed described sealing ring mounting ring by end cap, to be sealed；Described sealing main shaft is arranged in described outer barrel and is connected by shaft coupling with described tension-compression sensor；Described tension-compression sensor is connected with described tray, and described tray is connected with described straight reciprocating motion apparatus；Described straight reciprocating motion apparatus, tension-compression sensor and servicing unit is electrically connected with data acquisition control system.
Description
Technical field
The present invention relates to a kind of method of testing of sliding-contact packing sealing property and its device, belong to fluid seals technology and grind
Study carefully field.
Background technology
Sealing Technology has become the important technology for ensureing that modern industry is long-term, safety and stability is essential.One
As for, sealing can be divided into the major class of dynamic sealing two between the static seal between geo-stationary composition surface and relative motion composition surface.It is past
Multiple sealing is typical dynamic sealing, is widely used in internal combustion engine, hydraulic pressure or pneumatic linear actuator；Oil refining and landification equipment are largely used
Reciprocating pump and compressor all use various piston seals and piston rod packing.The leakage of sliding-contact packing sealing medium is not
Huge economic loss can be only caused, but also the serious consequences such as environmental pollution, efficiency decline and personal injury can be caused, therefore
Its sealing property to the normal operation of equipment and it is cost-effective in terms of play vital effect.
At present, the detection in engineering for sliding-contact packing sealing property often has hysteresis quality, and shortage can be effectively to close
The test detecting equipment of sealing and sealing system, existing testing equipment specific aim is not also strong.
The content of the invention
In order to overcome detection present in the detection device of existing sliding-contact packing sealing property that there is hysteresis quality, specific aim
Not strong the shortcomings of, the present invention, which provides one kind, can facilitate typical sliding-contact packings various to hydraulic packing and pneumostop etc. not
Tested with the sealing property under medium and pressure medium, simulate, measuring accuracy close with the actual working state of axle envelope it is high,
Result of the test accurately and reliably, the method for testing and its dress of favorable repeatability and the high sliding-contact packing sealing property of automaticity
Put.
The technical solution adopted by the present invention is：
A kind of method of testing of sliding-contact packing sealing property, it is characterised in that：Described method of testing includes following step
Suddenly：
A, sealing ring is arranged on and opened in fluted sealing ring mounting ring, sealing ring mounting ring is in the outer barrel and passes through
The end cap at outer barrel two ends is compressed；Sealing main shaft is installed in outer barrel and main shaft and tension-compression sensor will be sealed by shaft coupling
Connection, tension-compression sensor is connected with tray；Tray is moved along the slide rail on tray support, and power is by horizontal reciprocating movement device
There is provided；
B, data acquisition control system control servicing unit and reciprocating horizontal motion device, make to be full of band between two axle envelopes
The test(ing) medium of pressure simultaneously makes sealing main shaft complete the linear reciprocating motion set；
C, tension-compression sensor gather the frictional force data of axle envelope and reach data acquisition control system in real time；Leakage detection apparatus is examined
The leakage rate of test(ing) medium in sliding-contact packing running is surveyed, to obtain the sealing property of sliding-contact packing.
It is exclusively used in the experimental rig of test method described above, it is characterised in that：Including test-bed, outer barrel, installation
Sealing ring mounting ring, sealing main shaft, tension-compression sensor, tray, straight reciprocating motion apparatus, servicing unit and the inspection of sealing ring
Device is surveyed, described outer barrel is installed in by support on described test-bed, described detection means and described auxiliary dress
Put and be connected respectively with the hole being arranged on described outer barrel；Described sealing ring mounting ring is arranged in described outer barrel, described
The two ends of outer barrel described sealing ring mounting ring compressed by end cap sealed；Described sealing main shaft is arranged on described outer
It is connected by shaft coupling in cylinder and with described tension-compression sensor；Described tension-compression sensor is connected with described tray, institute
The tray stated is connected with described straight reciprocating motion apparatus；Described straight reciprocating motion apparatus, tension-compression sensor and auxiliary
Device is electrically connected with data acquisition control system.
Further, the drainage trough of ring-type is provided with described outer barrel close to the position of sealing ring mounting ring；At the bottom of outer barrel
The portion left and right sides has the first perforate of the liquid medium outflow of convenient leakage, distinguishes in the relative position up and down of outer barrel
Offer the second perforate of the servicing unit described in connection.So, the medium leaked out smoothly can be flowed into drainage trough,
And be pooled to the first perforate of outer barrel bottom, by the groove on end cap export come, it is ensured that the medium of leakage can be all suitable
It is collected into sharply in leakage detection apparatus, it is ensured that the accuracy of measurement.
Further, when being tested for hydraulic packing, described servicing unit include liquid conduits, circulating pump, fluid reservoir and
Compressor, described one end of liquid conduits is connected with the second perforate on outer barrel, and the other end is connected with circulating pump, circulating pump with
The bottom connection of fluid reservoir, the top of fluid reservoir is connected with compressor, and the top of fluid reservoir is relative with liquid conduits set location
Outer barrel on the second perforate connection；Described detection means includes catheter and leakage fluid measuring cup, described catheter one end
Described leakage fluid measuring cup is stretched into, the other end is connected with the first perforate on outer barrel.
Further, when being tested for pneumostop, described detection means includes suction gun, airway tube and helium mass spectrum leak detection
Instrument, one end of described airway tube connects described helium mass spectrometer leak detector, and the other end is connected with the first perforate on outer barrel；It is described
Servicing unit include gas conduit, pressure regulator and helium tank, described suction gun is arranged on the opening of described airway tube
End, described one end of gas conduit is connected with the second perforate on outer barrel, the described pressure regulator of other end connection, described
The described gas conduit of pressure regulator connection；Second on the outer barrel relative with the other end set location of gas conduit opens
Hole uses nut seal.
Further, described straight reciprocating motion apparatus includes electric rotating machine and toggle, described electric rotating
Machine is fixed on described test-bed, and the described rotary shaft of electric rotating machine connects with one end of described toggle
Connect, the other end of described toggle connects described tray.
Further, described end cap is bolted on outer barrel by first, and the top of described end cap is arranged at intervals with
The groove in leakage detection apparatus can be smoothly collected into by ensureing the medium of leakage.
Further, the groove for installing sealing ring is offered in described sealing ring mounting ring, and described sealing ring is installed
Installed between ring and outer barrel and be equipped with the O shape rubber seal for preventing dielectric leakage.The installation of O shape rubber seal can prevent from being situated between
Matter is leaked at this, it is ensured that the accuracy of result of the test.The form of groove is variable in sealing ring mounting ring, can install not similar shape
The reciprocal axle envelope of formula.In such manner, it is possible to which the various typical reciprocal axle envelopes to hydraulic packing and pneumostop carry out sealing property
Experiment.
Further, described tray is arranged on described test-bed by tray support, on described tray support
Slide rail is provided with, described tray can be moved along described slide rail；Described tray is connected by the second bolt and tension-compression sensor
Connect.
Further, the two ends of described shaft coupling are threadedly coupled with described sealing main shaft and tension-compression sensor respectively, and
Locking nut is provided between described shaft coupling and sealing main shaft and tension-compression sensor.In this manner it is ensured that between part
It is connected firmly, it is ensured that the accuracy of drive system, sealing main shaft is moved back and forth by predetermined displacement amplitude.
The application method and its course of work of the present invention is as follows：
Sealing ring is arranged on and opened in fluted sealing ring mounting ring, sealing ring mounting ring loads in outer barrel；Then, pacify
Dress sealing main shaft, two ends end cap compresses sealing ring mounting ring；Sealing main shaft on the right side of be sequentially connected shaft coupling, tension-compression sensor and
Tray, tray is connected with horizontal reciprocating movement device；Then, servicing unit and leakage detection apparatus are installed to corresponding position；
Tension-compression sensor, servicing unit and reciprocating horizontal motion device are electrically connected with data acquisition control system；Afterwards, data acquisition
Control system controlled level reciprocator and servicing unit, make to be full of the sealing medium with preset pressure between axle envelope, and close
Envelope main shaft moves back and forth according to the main shaft of setting；In process of the test, tension-compression sensor can be with the friction of synchronous acquisition axle envelope
Power is simultaneously output to data acquisition control system, the leakage rate of medium in leakage detection apparatus detection process of the test.
Servicing unit can realize the experiment of the sealing property of hydraulic packing and pneumostop；The change of channel away can
Various typical sliding-contact packings are tested；Leakage detection apparatus has different devices, energy for hydraulic packing and pneumostop
The leakage rate of accurate measurement medium；Result of the test accurately and reliably, favorable repeatability.
Compared with prior art, the beneficial effects of the invention are as follows：
First, the channel away in the present invention is variable, and the various typical shaft seals of hydraulic packing and pneumostop can be carried out
Experiment；Test(ing) medium pressure and species are adjustable, so as to more accurately simulate sealing of the axle envelope in different running environment
Energy.
When the 2nd, testing, the reciprocating movement displacement of seal shaft is controlled by data acquisition control system, the correlations such as frictional force are read
Data, and dielectric leakage amount is detected；Simple to operate, automaticity is high, and the human error of experiment is small, as a result smart
Really, reliably.
3rd, for hydraulic packing and pneumostop, using various forms of leakage amount measuring device for electricities and measuring method, so that
It targetedly can accurately measure the leakage rate of various media.
4th, the present invention can be tested for the sealing property of multi-form axle envelope, and can easily control sealing
Axial force in the reciprocating movement displacement of main shaft, accurate measurement axle envelope running；Servicing unit can control sealing medium
Pressure and type, leakage detection apparatus can accurately detect the leakage rate in axle envelope running；Experiment automatized degree is high, as a result
Accurately and reliably, favorable repeatability.
Brief description of the drawings
Fig. 1 a are the hydraulic packing experimental rig main structure diagrams of the embodiment of the present invention 1.
Fig. 1 b are enlarged drawing at I in Fig. 1 a.
Fig. 1 c are enlarged drawing at II in Fig. 1 a.
Fig. 2 is the pneumostop experimental rig main structure diagram of the embodiment of the present invention 2.
Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d are the sealed structural representations of hydraulic packing typical combination.
Fig. 4 a, Fig. 4 b, Fig. 4 c, Fig. 4 d are the typical sealed structural representations of elastomer air rammer.
Fig. 5 a are the structural representations of the end cap of the embodiment of the present invention.
Fig. 5 b are Fig. 5 a side views.
Fig. 6 is the tray and slide rail cooperation schematic diagram of the present invention.
Embodiment
Embodiment 1
Reference picture 1a, 1b, 1c, Fig. 3 a~Fig. 3 d, Fig. 5 a to Fig. 6, a kind of method of testing of sliding-contact packing sealing property,
Described method of testing comprises the following steps：
A, sealing ring 9 is arranged on and opened in fluted sealing ring mounting ring 5, sealing ring mounting ring 5 in the outer barrel 8 simultaneously
Compressed by the end cap 4 at the two ends of outer barrel 8；Sealing main shaft 7 is installed in outer barrel 8 and main shaft 7 will be sealed by shaft coupling 12
It is connected with tension-compression sensor 14, tension-compression sensor 14 is connected with tray 15；Tray 15 is transported along the slide rail 18 on tray support 17
Dynamic, power is provided by horizontal reciprocating movement device 21；
B, data acquisition control system control servicing unit and reciprocating horizontal motion device 21, make to be full of between two axle envelopes
Test(ing) medium with pressure simultaneously makes sealing main shaft 7 complete the linear reciprocating motion set；
C, tension-compression sensor 14 gather the frictional force data of axle envelope and reach data acquisition control system in real time；Leakage detection apparatus
The leakage rate of test(ing) medium in sliding-contact packing running is detected, to obtain the sealing property of sliding-contact packing.
It is exclusively used in the experimental rig of test method described above, including test-bed 1, outer barrel 8, sealing ring 9 is installed
Sealing ring mounting ring 5, sealing main shaft 7, tension-compression sensor 14, tray 15, straight reciprocating motion apparatus 21, servicing unit and inspection
Device is surveyed, described outer barrel 8 is installed in by support 2,6 on described test-bed 1, described detection means and described auxiliary
Device is helped to be connected respectively with the hole being arranged on described outer barrel 8；Described sealing ring mounting ring 5 is arranged on described outer barrel 8
Interior, described sealing ring mounting ring 5 is compressed sealing by the two ends of described outer barrel 8 by end cap 4；Described sealing main shaft 7 is pacified
It is connected by shaft coupling 12 in described outer barrel 8 and with described tension-compression sensor 14；Described tension-compression sensor 14
It is connected with described tray 15, described tray 15 is connected with described straight reciprocating motion apparatus 21；Described reciprocating linear
Telecontrol equipment 21, tension-compression sensor 14 and servicing unit are electrically connected with data acquisition control system.
Further, drainage trough 8A, 8B of ring-type are provided with described outer barrel 8 close to the position of sealing ring mounting ring 5；Outside
The bottom left and right sides of cylinder 8 has first perforate 8C, 8D of the liquid medium outflow of convenient leakage, in the phase up and down of outer barrel
Second perforate 8E, 8F to offering the servicing unit described in connection at position respectively.So, the medium leaked out can be suitable
Profit is flowed into drainage trough 8A, 8B, and is pooled to first perforate 8C, 8D of outer barrel bottom, by the groove 4A on end cap 4,4B,
4C export comes, it is ensured that the medium of leakage all successfully can be collected into leakage detection apparatus, it is ensured that the accuracy of measurement.
When being tested for hydraulic packing, described servicing unit includes liquid conduits 24A, circulating pump 25A, fluid reservoir 26A
With compressor 27A, described liquid conduits 24A one end is connected with the second perforate 8F on outer barrel 8, the other end and circulating pump
25A connections, circulating pump 25A is connected with fluid reservoir 26A bottom, and fluid reservoir 26A top is connected with compressor 27A, fluid reservoir
The second perforate 8E connections on the outer barrel relative with liquid conduits set location of 26A top；Described detection means includes leading
Described leakage fluid measuring cup 22A is stretched into liquid pipe 23A and leakage fluid measuring cup 22A, described catheter 23A one end, the other end with it is outer
The first perforate 8D connections on cylinder 8.
Further, described straight reciprocating motion apparatus 21 includes electric rotating machine 20 and toggle 19, described
Electric rotating machine 20 is fixed on described test-bed 1, the rotary shaft and described crank connecting link machine of described electric rotating machine 20
One end connection of structure 19, the other end of described toggle connects described tray 15.
Further, described end cap 4 is fixed on outer barrel 8 by the first bolt 3, and the top interval of described end cap 4 is set
It is equipped with and ensures that the medium of leakage can smoothly be collected into groove 4A, 4B, 4C in leakage detection apparatus.
Further, the groove for installing sealing ring 9, and described sealing ring peace are offered in described sealing ring mounting ring 5
Installed between dress ring 5 and outer barrel 8 and be equipped with the O shapes rubber seal 10 for preventing dielectric leakage.The installation energy of O shapes rubber seal 10
Enough prevent medium from being leaked at this, it is ensured that the accuracy of result of the test.The form of groove is variable in sealing ring mounting ring 5, can be with
Various forms of reciprocal axle envelopes are installed.In such manner, it is possible to which the various typical reciprocal axle envelopes to hydraulic packing and pneumostop are carried out
The experiment of sealing property.
Further, described tray 15 is arranged on described test-bed 1 by tray support 17, described tray branch
Slide rail 18 is provided with frame 17, described tray 15 can be moved along described slide rail 18；Described tray 15 passes through the second bolt
16 are connected with tension-compression sensor 14.
Further, the two ends of described shaft coupling 12 connect with described sealing main shaft 7 and the screw thread of tension-compression sensor 14 respectively
Connect, and locking nut 11,13 is provided between described shaft coupling 12 and sealing main shaft 7 and tension-compression sensor 14.So,
It can ensure to be connected firmly between part, it is ensured that the accuracy of drive system, sealing main shaft is carried out by predetermined displacement amplitude past
Multiple motion.
Embodiment 2
Reference picture 2, Fig. 4 a~Fig. 4 d, Fig. 5 a to Fig. 6, the present embodiment and the difference of embodiment 1 are：The present embodiment is pin
Pneumostop is tested, described detection means includes suction gun 26B, airway tube 23B and helium mass spectrometer leak detector 22B, described
Helium mass spectrometer leak detector 22B described in airway tube 23B one end connection, the other end is connected with the first perforate 8D on outer barrel 8；It is described
Servicing unit include gas conduit 24B, pressure regulator 25B and helium tank 27B, described suction gun 26B is arranged on described
Airway tube 23B openend, described gas conduit 24B one end is connected with the second perforate 8F on outer barrel, other end connection
Described pressure regulator 25B, the described gas conduit 24B of described pressure regulator 25B connections；It is another with gas conduit
The second perforate 8E on the relative outer barrel of set location is held to be sealed using nut 28B.
Remaining embodiment is same as Example 1.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of method of testing of sliding-contact packing sealing property, it is characterised in that：Described method of testing comprises the following steps：
A, sealing ring is arranged on and opened in fluted sealing ring mounting ring, sealing ring mounting ring is in the outer barrel and passes through outer barrel
The end cap at two ends is compressed；Sealing main shaft is installed in outer barrel and main shaft will be sealed by shaft coupling and is connected with tension-compression sensor
Connect, tension-compression sensor is connected with tray；Tray is moved along the slide rail on tray support, and power is carried by horizontal reciprocating movement device
For；
B, data acquisition control system control servicing unit and reciprocating horizontal motion device, make to be full of band pressure between two axle envelopes
Test(ing) medium and make sealing main shaft complete setting linear reciprocating motion；
C, tension-compression sensor gather the frictional force data of axle envelope and reach data acquisition control system in real time；Leakage detection apparatus detects past
The leakage rate of test(ing) medium in compound axle envelope running, to obtain the sealing property of sliding-contact packing；
The experimental rig of described method of testing includes test-bed, outer barrel, the sealing ring mounting ring for installing sealing ring, sealing master
Axle, tension-compression sensor, tray, straight reciprocating motion apparatus, servicing unit and detection means, described outer barrel are solid by support
It is located on described test-bed, described detection means and described servicing unit are respectively with being arranged on described outer barrel
Hole is connected；Described sealing ring mounting ring is arranged in described outer barrel, and the two ends of described outer barrel will be described by end cap
Sealing ring mounting ring compresses sealing；Described sealing main shaft is arranged in described outer barrel and passes through shaft coupling and described tension and compression
Sensor is connected；Described tension-compression sensor is connected with described tray, described tray and described linear reciprocating motion
Device is connected；Described straight reciprocating motion apparatus, tension-compression sensor and servicing unit is electrically connected with data acquisition control system
Connect；
The drainage trough of ring-type is provided with described outer barrel close to the position of sealing ring mounting ring；In the bottom left and right sides of outer barrel point
The first perforate of the liquid medium outflow of convenient leakage is not provided with, and connection institute is offered respectively in the relative position up and down of outer barrel
Second perforate of the servicing unit stated.
2. method of testing as claimed in claim 1, it is characterised in that：When being tested for hydraulic packing, described servicing unit
Including liquid conduits, circulating pump, fluid reservoir and compressor, the second perforate on one end and outer barrel of described liquid conduits connects
Logical, the other end is connected with circulating pump, and the bottom connection of circulating pump and fluid reservoir, the top of fluid reservoir is connected with compressor, liquid storage
The second perforate connection on the outer barrel relative with liquid conduits set location of the top of tank；Described detection means includes catheter
With leakage fluid measuring cup, described leakage fluid measuring cup is stretched into described catheter one end, and the other end connects with the first perforate on outer barrel
It is logical.
3. method of testing as claimed in claim 1, it is characterised in that：When being tested for pneumostop, described detection means
Including suction gun, airway tube and helium mass spectrometer leak detector, one end of described airway tube connects described helium mass spectrometer leak detector, the other end
Connected with the first perforate on outer barrel；Described servicing unit includes gas conduit, pressure regulator and helium tank, described suction
Rifle is arranged on the openend of described airway tube, and described one end of gas conduit is connected with the second perforate on outer barrel, another
Hold the pressure regulator described in connection；The second perforate on the outer barrel relative with the other end set location of gas conduit uses spiral shell
Mother's sealing.
4. method of testing as claimed in claim 1 or 2, it is characterised in that：Described straight reciprocating motion apparatus includes rotation
Motor and toggle, described electric rotating machine are fixed on described test-bed, the rotation of described electric rotating machine
Axle is connected with one end of described toggle, and the other end of described toggle connects described tray.
5. method of testing as claimed in claim 4, it is characterised in that：Described end cap is bolted to outer barrel by first
On, the medium that the top of described end cap is arranged at intervals guaranteed leakage can smoothly be collected into the groove in leakage detection apparatus.
6. method of testing as claimed in claim 5, it is characterised in that：Installation sealing is offered in described sealing ring mounting ring
Installed between the groove of circle, and described sealing ring mounting ring and outer barrel and be equipped with the O shape rubber seal for preventing dielectric leakage.
7. method of testing as claimed in claim 6, it is characterised in that：Described tray is arranged on described by tray support
On test-bed, slide rail is provided with described tray support, described tray can be moved along described slide rail；Described tray
It is connected by the second bolt with tension-compression sensor.
8. method of testing as claimed in claim 7, it is characterised in that：The two ends of described shaft coupling respectively with described sealing
Lock is provided between main shaft and tension-compression sensor threaded connection, and described shaft coupling and sealing main shaft and tension-compression sensor
Tight nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334770.XA CN104142215B (en) | 2014-07-15 | 2014-07-15 | The method of testing and its device of a kind of sliding-contact packing sealing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334770.XA CN104142215B (en) | 2014-07-15 | 2014-07-15 | The method of testing and its device of a kind of sliding-contact packing sealing property |
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| CN104142215A CN104142215A (en) | 2014-11-12 |
| CN104142215B true CN104142215B (en) | 2017-10-03 |
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| CN104390749B (en) * | 2014-11-13 | 2017-04-26 | 大连理工大学 | High-pressure dynamic sealing testing device for rubber ring |
| CN104806504B (en) * | 2015-03-13 | 2017-12-29 | 吉林大学 | A kind of method of dynamic sealing Leak Mechanism observation and device used |
| CN105241809A (en) * | 2015-09-25 | 2016-01-13 | 浙江工业大学 | O-shaped ring friction experiment apparatus |
| CN106706231A (en) * | 2015-11-12 | 2017-05-24 | 衡阳市锦泰工具有限公司 | Dynamic sealing performance detection device of three-section sealing component |
| CN106706229A (en) * | 2015-11-12 | 2017-05-24 | 衡阳市锦泰工具有限公司 | Dynamic sealing performance detection device for sealing component |
| CN106706230A (en) * | 2015-11-12 | 2017-05-24 | 衡阳市锦泰工具有限公司 | Dynamic sealing performance detector of two-segment type sealing assembly |
| CN105300623B (en) * | 2015-11-17 | 2017-12-19 | 哈尔滨电机厂有限责任公司 | It is a kind of to check that turbogenerator casing heals up the blue seizure test method of face sealing |
| CN105628364B (en) * | 2016-01-16 | 2018-01-05 | 东北石油大学 | A kind of controllable flexible sealing performance detection tester |
| CN106353043B (en) * | 2016-08-24 | 2019-10-18 | 浙江工业大学 | Undercarriage buffer sealing property tester |
| CN106353080B (en) * | 2016-08-30 | 2019-02-15 | 中国海洋大学 | A kind of sealing ring straight line dynamic sealing characteristic experimental apparatus and experimental method |
| CN107605862A (en) * | 2017-10-31 | 2018-01-19 | 中国重型机械研究院股份公司 | A kind of reciprocating motion type piston seal experimental rig |
| CN110501241B (en) * | 2018-05-16 | 2024-06-07 | 莱阳市昌誉密封科技股份有限公司 | Device for realizing reciprocating and rotating motion for oil seal experiment |
| CN108869457B (en) * | 2018-08-28 | 2019-10-11 | 浙江工业大学 | A kind of reciprocating sealing device that research piston rod bias influences property of sealing piece |
| CN110441004B (en) * | 2019-07-19 | 2020-08-11 | 北京航空航天大学 | Rotating shaft seal leakage quantity measuring device and measuring method thereof |
| CN113008547B (en) * | 2020-10-19 | 2022-07-12 | 大连理工大学 | Dismounting combined type reciprocating motion sealing ring performance testing device |
| CN112556936B (en) * | 2020-12-28 | 2022-09-06 | 徐州金鼎恒立液压件有限公司 | Hydraulic sealing comprehensive experiment table and experiment method |
| CN112525445B (en) * | 2021-01-08 | 2021-07-09 | 贵州送变电有限责任公司 | Wall bushing sealing detection device for power transmission line in wall |
| CN116929643B (en) * | 2023-09-18 | 2023-12-26 | 武汉捷沃汽车零部件有限公司 | High-pressure dynamic seal test device and method for rubber ring |
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| GB995110A (en) * | 1963-05-15 | 1965-06-16 | Angus George Co Ltd | Improvements in and relating to shaft seal testing apparatus |
| EP0454374B1 (en) * | 1990-04-23 | 1994-12-21 | Tanken Seiko Kabushiki Kaisha | Method of predicting abnormality of mechanical seal and apparatus for predicting the same |
| CN103162918B (en) * | 2013-03-12 | 2016-02-03 | 西安工业大学 | The sealing property detection device of piston ring and piston rod packing and detection method thereof |
| CN103630301B (en) * | 2013-08-12 | 2016-08-17 | 浙江工业大学 | The method of testing of a kind of hydrodynamic lubrication mechanical seal sealing property and device thereof |
| CN103807162B (en) * | 2013-09-18 | 2016-08-31 | 西南石油大学 | The fracturing pump plunger of surface-texturing and movable sealing system performance testing method thereof |
| CN103837303B (en) * | 2014-03-25 | 2016-03-30 | 清华大学 | A kind of fine motion reciprocation sealing dynamic characteristic experiment platform |
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Effective date of registration: 20201110 Address after: 11th floor, donglecheng international, Shuguang Road, Chengguan Street, Dongming County, Heze City, Shandong Province Patentee after: Heze Jianshu Intelligent Technology Co., Ltd Address before: The city Zhaohui six districts Chao Wang Road Hangzhou City, Zhejiang province 310014 18 Patentee before: ZHEJIANG University OF TECHNOLOGY |