CN204945006U - A kind of lubricants performance proving installation - Google Patents
A kind of lubricants performance proving installation Download PDFInfo
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- CN204945006U CN204945006U CN201520508515.2U CN201520508515U CN204945006U CN 204945006 U CN204945006 U CN 204945006U CN 201520508515 U CN201520508515 U CN 201520508515U CN 204945006 U CN204945006 U CN 204945006U
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Abstract
The utility model discloses a kind of lubricants performance proving installation, comprise mount pad, be arranged on driver part on described mount pad and bearing test mechanism; Described bearing test mechanism comprises rotating shaft and is arranged on the bearing in described rotating shaft, and is arranged on the bearing seat for fixing described bearing in described rotating shaft, and described bearing seat inside has cavity, and described bearing is built in described cavity; The output terminal of described driver part is connected with described rotating shaft, fills with the lubricating oil to be measured being mixed into corrosive medium in described cavity.Lubricants performance proving installation disclosed in the utility model, when testing, driver part drives rotating shaft, bearing inner race synchronous axial system.Lubricating oil to be measured lubricates bearing, and corrosive medium corrodes bearing, and device is in dynamic test state.So after the running of short period, the Corrosion Protection of lubricating oil to be measured can be known by the corrosion situation of bearing, improve data reliability, shorten test period, improve test efficiency.
Description
Technical field
The utility model relates to electromechanical engineering and parts maintenance technology field, particularly a kind of lubricants performance proving installation.
Background technology
Along with coming of world energy sources crisis, the exploitation of new forms of energy has been extremely urgent, such as wind energy, nuclear energy, tide energy, sun power, geothermal energy etc.
For wind energy, the equipment of wind power generation is utilized to be called aerogenerator, often build in the higher landform of wind scale, and the wind energy of land is because the impact of the factor such as landform, temperature, except few places, wind direction, wind-force are all very unstable, and are difficult to the four seasons constant wind energy and occur.But situation is then completely different on sea, it is very smooth to compare land its " landform ", and ocean, cross-ventilation are also more vigorous.Therefore large sea has many places to be well suited for placing for a long time the offshore wind generating of float type.
Offshore wind generating is built across the sea for a long time, and its bearing runs throughout the year under the rugged surroundings such as high and low temperature alternative, high wind over burdening, sea salt corrosion and wave stroke.Bearing operationally needs the lubrication of lubricating oil, if bearing lubricating oil used do not possess good abrasion resistant extreme-pressure, thermal oxidation stability, hydrolysis stability, resistance to emulsion, cold-resistant heat alternately, the especially performance such as corrosion resistivity, bearing will break down very soon and damage, and causes aerogenerator to be stopped transport.
Therefore, in order to assess the bearing oil property indices (mainly for corrosion resistivity) of offshore wind generating, thus pick out the lubricating oil with excellent Seawater durability, there is several lubricants performance proving installation at present.Lubricants performance proving installation major part of the prior art is static tester, its test mode be generally bearing is placed directly into be mixed with finite concentration seawater lubricating oil in, through after a while leave standstill after, again by observing the corrosion situation of bearing, thus evaluate the corrosion resistance of lubricating oil.
But, although above-mentioned existing lubricants performance proving installation method of testing is simple, with low cost, but because the test period of its method of testing is too tediously long, and the single assessment data that causes of means of testing is more unilateral, quite different with the bearing actual environment of offshore wind generating, the reliability of data is not high.
Utility model content
The purpose of this utility model is to provide a kind of lubricants performance proving installation, dynamically can carry out performance test to lubricating oil, significantly reduces test required time, improves the data reliability of test result.
For solving the problems of the technologies described above, the utility model provides a kind of lubricants performance proving installation, comprises mount pad, is arranged on driver part on described mount pad and bearing test mechanism; Described bearing test mechanism comprises rotating shaft and is arranged on the bearing in described rotating shaft, and is arranged on the bearing seat for fixing described bearing in described rotating shaft, and described bearing seat inside has cavity, and described bearing is built in described cavity; The output terminal of described driver part is connected with described rotating shaft, fills with the lubricating oil to be measured being mixed into corrosive medium in described cavity.
Preferably, described driver part is variable-frequency motor, and the output shaft of described variable-frequency motor is connected with described rotating shaft.
Preferably, described bearing seat comprises left end cap, right end cap; The inner edge of described left end cap and right end cap is all close to the outer wall of described rotating shaft, and the outer rim of described left end cap and right end cap is close to mutually; The center section of described left end cap and right end cap is provided with projection, the protruding cycle surface clamping described bearing respectively from both sides described in two; Connected by fastening bolt between described left end cap and right end cap.
Preferably, oil storage cup, variable valve, ebullator and the petroleum pipeline by three's sequential communication is also comprised; On described left end cap, the end positions place of its radial direction of apportion is respectively arranged with oil-in and oil return opening, and inside and outside all through described bearing seat of described oil-in and oil return opening; One of them outlet of described petroleum pipeline is communicated with described oil-in, and another outlet is communicated with described oil return opening.
Preferably, lip-type packing is provided with between the inner edge of described left end cap and right end cap and the outer wall of described rotating shaft; O-ring seals is provided with between the outer rim that described left end cap and right end cap are close to mutually.
Preferably, described corrosive medium is seawater, salt solution or bittern.
Preferably, described mount pad is provided with bearing test mechanism described at least 2 groups, the described bearing test mechanism of each group is linearly evenly distributed on described mount pad; One end of described rotating shaft is provided with groove, the other end be provided with can with the projection of described fit depressions; Described in two adjacent groups between bearing test mechanism, by described groove respective in rotating shaft described in adjacent two with described coordinating of projection and compact siro spinning technology.
Preferably, described mount pad is also provided with V-shaped groove, described bearing test mechanism is arranged in described V-shaped groove; The both ends of the surface of described V-shaped groove are provided with web joint, and two pieces of described web joints are fixed with the outer rim of described bearing seat respectively.
Preferably, described rotating shaft and bearing seat are made by nonmetallic materials.
Lubricants performance proving installation provided by the utility model, mainly comprises mount pad, is arranged on driver part on mount pad and bearing test mechanism.Wherein, bearing test mechanism comprises rotating shaft and is arranged on the bearing in rotating shaft, and is arranged on the bearing seat for solid bearing in rotating shaft.The inside of bearing seat has cavity, and bearing is built in this cavity.In addition, the output terminal of driver part is connected with rotating shaft, and fills with the lubricating oil to be measured being mixed into corrosive medium in cavity.Lubricants performance proving installation provided by the utility model, driver part is mainly used in providing Power output to bearing test mechanism, makes it rotate.Core component in this bearing test mechanism is rotating shaft, the bearing coordinated with this rotating shaft and the bearing seat for solid bearing, and this bearing is exactly the main test component of this proving installation.The inside of its bottom bracket is provided with cavity, it can thus be appreciated that bearing seat is enclosed construction in fact, and namely bearing is arranged on the inside of bearing seat.When lubricants performance proving installation starts to test, lubricating oil to be measured is filled with in advance in the cavity of bearing seat, the bearing set within it is made to be fully immersed in this lubricating oil to be measured, and this lubricating oil to be measured has also been mixed into the medium with corrosion property, simulates the actual environment of offshore wind generating with this.And when testing beginning, first starting driver part, making it drive rotating shaft synchronous axial system.Rotating shaft coordinates owing to having with the inner ring of bearing in the running, and therefore rotating shaft also together can be rotated with the inner ring of bearing, and bearing is in normal operating conditions.And the corrosive medium being now mixed into lubricating oil to be measured comes into effect, when oil lubrication bearing to be measured, corrosive medium also corrodes bearing simultaneously gradually.Because driver part ceaselessly rotates in test process, therefore rotating shaft and bearing inner race are also be in the state operated at any time, and whole lubricants performance proving installation is all in dynamic test mode.So after the running of short period, the Corrosion Protection of lubricating oil to be measured can be known by the corrosion situation of observing bearing.Therefore, lubricants performance proving installation provided by the utility model, turned by not stopping transport of driver part, test process is made to be in dynamic state, rotating shaft and bearing are tested in operation process, environment residing for the height matching reality of offshore wind generating, the test data result that obtains tallies with the actual situation more; And dynamic method of testing, has made test required time significantly reduce, has improve the efficiency of test.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the one-piece construction schematic diagram of the first embodiment provided by the utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the one-piece construction schematic diagram of the second embodiment provided by the utility model;
Fig. 4 is the right view of Fig. 3.
Wherein, in Fig. 1-Fig. 2:
Mount pad-1, driver part-2, rotating shaft-3, bearing-4, bearing seat-5, left end cap-501, right end cap-502, fastening bolt-503, oil return opening-504, oil-in-505, oil storage cup-6, variable valve-7, ebullator-8, petroleum pipeline-9, lip-type packing-10, O-ring seals-11.
In Fig. 3-Fig. 4:
V-shaped groove-12, web joint-13.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 is the one-piece construction schematic diagram of the first embodiment provided by the utility model.
In the first embodiment provided by the utility model, the driver part 2 that lubricants performance proving installation mainly comprises mount pad 1 and is arranged on mount pad 1, and be arranged on the bearing test mechanism on mount pad 1.
Wherein, mount pad 1 is the load bearing component of lubricants performance proving installation, and most of parts are all arranged on mount pad 1, play the effect of the parts such as fixed drive parts 2 and bearing test mechanism simultaneously.
Driver part 2 is arranged on mount pad 1, particularly, driver part 2 can be arranged on one end of mount pad 1, the main part of its output terminal towards mount pad 1 be exposed.Driver part 2 mainly as power output part, for follow-up bearing test mechanism provides power source, its output terminal is just connected with the rotating shaft 3 in bearing test mechanism---certainly refer to power transmission and be connected.Herein preferably, this driver part 2 can be variable-frequency motor, and the output shaft of this variable-frequency motor is connected with rotating shaft.So bearing test structure can be made to have different experimental enviroments by the continuous change of the rotating speed of driver part 2, simulation degree is more true, will be more true and reliable to the performance test of lubricating oil to be measured.Certainly, driver part 2 might not refer to variable-frequency motor, and all the other such as common threephase asynchronous machines etc. all can adopt.
Bearing test mechanism, it is the core of this proving installation, its Main Function is: operate under the power drive of driver part 2, in dynamic process of the test, corrosion resistance assessment is carried out to lubricating oil to be measured, and obtain the higher test figure of reliability more quickly eventually through the corrosion situation of bearing.Wherein, bearing test mechanism mainly comprises rotating shaft 3 and bearing 4, and is arranged on the bearing seat 5 for solid bearing 4 in rotating shaft 3, this rotating shaft 3 and bearing 4 yes can work in coordination use.Rotating shaft 3 is connected with the output terminal of driver part 2, and bearing 4 is arranged on the sidewall in rotating shaft 3.In addition, bearing seat 5 is parts with enclosed construction, and its inside is provided with cavity, and bearing 4 is in fact just arranged in this cavity.When the power of driver part 2 starts to export, rotating shaft 3 starts running, and has cooperation due to the inner ring of rotating shaft 3 and bearing 4, and therefore rotating shaft 3 is with the inner ring of dynamic bearing 4 to move together simultaneously.And before starting test, also need fill with lubricating oil to be measured in the cavity of bearing seat 5, bearing 4 is fully immersed in lubricating oil to be measured.In addition, be also added with corrosive medium in this lubricating oil to be measured, this corrosive medium is the practical operation situation in order to enable test process altitude simulation offshore wind generating, improves the reliability of test data.Herein preferably, this corrosive medium is certain density seawater, salt solution or bittern.Certainly, corrosive medium is not limited in above-mentioned form, that all the other have corrosion property equally, nontoxic medium, and such as diluted acid etc. all can be selected.
In sum, lubricants performance proving installation provided by the utility model, because the output terminal of driver part 2 is connected with rotating shaft 3, when therefore driver part 2 operates, rotating shaft 3 is synchronously rotated, and then the inner ring of band dynamic bearing 4 rotates; Again due to before starting test, filled with lubricating oil to be measured in the cavity of bearing seat 5, make bearing 4 be fully immersed in the environment of lubricating oil to be measured, therefore when driver part 2 operates, rotating shaft 3 rotates, and the inner ring of bearing 4 rotates, and lubricating oil to be measured comes into effect.And while lubricating oil to be measured comes into force, corrosive medium also comes into force simultaneously, along with the running of rotating shaft 3, gradually bearing 4 is corroded.Due in whole test process, driver part 2 and rotating shaft 3, bearing 4 inner ring are all in the state of not stopping transport and turning at any time, therefore only after the running of short period, need can be known the Corrosion Protection of lubricating oil to be measured by the corrosion situation of observing bearing.Further, not the stopping transport to turn of driver part 2 makes test process be in dynamic environment, and rotating shaft 3 and bearing 4 test in operation process, and environment residing for the height matching reality of offshore wind generating, the test data result that obtains tallies with the actual situation more.In addition, operating personnel also can carry out various operation to driver part 2, the various different extreme environment of simulation residing for offshore wind generating, then test bearing 4, obtain the special data with reference value of lubricating oil to be measured.
In order to strengthen the matching relationship of rotating shaft 3 and bearing 4, improve the accuracy rate of test result, preferably, the bearing seat 5 in the present embodiment mainly comprises left end cap 501 and right end cap 502.Wherein, the inner edge of left end cap 502 and right end cap 502 is all close to the outer wall of rotating shaft 3, and the outer rim of left end cap 501 and right end cap 502 is then close to mutually.The structure of left end cap 501 like this and right end cap 502 just defines enclosed construction, and internal cavities is provided with bearing 4.In addition, the center section of left end cap 501 and right end cap 502 is also all provided with bulge-structure, left end cap 501 and the protruding cycle surface simultaneously clamping bearing 4 from both sides that is protruding and right end cap 502, the outer ring of bearing 4 is fixed (inner ring of bearing 4 coordinates with rotating shaft 3), realize the axial location of bearing 4.The intermediate projections structure of left end cap 501 and right end cap 502 is seen on the whole, can be called discontinuity boss structure, and this structure can ensure that proving installation is when testing, and lubricating oil to be measured can complete wetting bearing 4, improves test accuracy rate.And in order to the annexation of strengthening left end cap 501 and right end cap 502 and sealing effect, both are fixedly connected with by fastening bolt 503 by the present embodiment, generally threaded hole can be set at the peripheral edge portion of left end cap 501 and right end cap 502, thus coordinate with fastening bolt 503.
As shown in Figure 2, Fig. 2 is the right view of Fig. 1.
Further, the present embodiment has set up a series of hydraulic plumbing system outside bearing test mechanism, comprises oil storage cup 6, variable valve 7, ebullator 8 and petroleum pipeline 9.As its name suggests, the effect of oil storage cup 6 stores and provides lubricating oil to be measured, and the effect of variable valve 7 is then regulate the pressure in whole hydraulic circuit, and the Main Function of ebullator 8 is to provide hydraulic power, also can make hydraulic directio antikinesis if desired.Petroleum pipeline 9 is the ties connecting this peripheral hardware hydraulic plumbing system and bearing test mechanism, not only by Hydraulic Elements sequential communication such as oil storage cup 6, variable valve 7 and ebullators 8, but also is communicated with bearing test mechanism by hydraulic circuit.For this reason, the present embodiment is on the left end cap 501 of bearing seat 5, end positions place in its radial direction of apportion is provided with oil-in 505 and oil return opening 504 respectively, this oil-in 505 and all through inside and outside (version mentioning left end cap 501 and right end cap 502 above defines enclosed construction) of bearing seat 5 of oil return opening 504.Afterwards, just one of them outlet of petroleum pipeline 9 can be communicated with oil-in 505, and its another outlet is just communicated with oil return opening 504.Setting like this, can recycle lubricating oil to be measured.
Further, consider the leakage problem of lubricating oil to be measured, the present embodiment is all provided with the O-ring seal 10 of lip between the inner edge and the outer wall of rotating shaft 3 of left end cap 501 and right end cap 502.In addition, O-ring seals 11 is provided with between the outer rim be also close to mutually at left end cap 501 and right end cap 502.So can be ensured the radial dynamic seal (packing) of bearing 4 by the effect of lip-type packing 10, then can be ensured the axial static sealing of bearing 4 by the effect of O-ring seals 11, guarantee that lubricating oil to be measured does not leak.
Please refer to Fig. 3, Fig. 3 is the one-piece construction schematic diagram of the second embodiment provided by the utility model.
The second embodiment provided by the utility model, the basis of the first embodiment is improved, is specially: on same lubricants performance proving installation, enable Duo Zu bearing test mechanism simultaneously.
In the second embodiment provided by the utility model, in order to accelerate the test process of lubricants performance proving installation, improve testing efficiency, the present embodiment enables at least 2 group bearing test mechanisms on mount pad 1 simultaneously, such as 2 groups, 3 groups or more groups, are described to enable 4 groups of bearing test mechanisms simultaneously in the present embodiment.
In the present embodiment, in the cavity of each group bearing test mechanism bottom bracket 5, fill with the lubricating oil different types of to be measured being mixed into same concentrations corrosive medium respectively.So, lubricants performance proving installation provided by the utility model just can carry out corrosion resistance assessment to the lubricating oil to be measured of multiple different cultivars simultaneously, thus can pick out the lubricating oil of performance the best according to test data.In addition, in the cavity that each organizes the bearing seat 5 in bearing test mechanism, the lubricating oil to be measured of the identical type being mixed into variable concentrations corrosive medium can also be filled with respectively.So, lubricants performance proving installation provided by the utility model just can carry out the corrosion resistance test under varying environment to same lubricating oil to be measured, thus determines the best effort environment of this kind of lubricating oil according to test data.To sum up, can treat survey lubricating oil carry out lateral performance test in the present embodiment by Duo Zu bearing test mechanism, also can treat survey lubricating oil by Duo Zu bearing test mechanism and carry out longitudinal performance test, the test data after both combinations will have reference value.
In addition, for ensureing job stability when Duo Zu bearing test mechanism operates at the same time, the present embodiment is linearly evenly distributed on mount pad 1 by Ge Zu bearing test mechanism.Owing to being all provided with rotating shaft 3 in Mei Zu bearing test mechanism, therefore the present embodiment is provided with groove in one end of rotating shaft 3, and is provided with projection at the other end, and this groove is with protruding yes can work in coordination.So, between adjacent Liang Zu bearing test mechanism, just can be worked in coordination with projection by the groove in adjacent two rotating shafts 3---the groove in a such as rotating shaft 3 matches with the projection in another root rotating shaft 3, realizes power transmission and compact siro spinning technology.The output terminal of driver part 2 only need be connected with immediate rotating shaft 3 afterwards, just can be delivered to by driving torque in Ge Zu bearing test mechanism simultaneously, makes the run-in synchronism of Ge Zu bearing test mechanism.And by the connected mode of groove and boss between each rotating shaft 3, can ensure that the centering filling a test unit is higher, also be easy to installation and removal.
As shown in Figure 4, Fig. 4 is the right view of Fig. 3.
Further, when the increasing number of bearing test mechanism, the total quality of lubricants performance proving installation just increases thereupon, for ensureing its stability, the present embodiment is also provided with V-shaped groove 12 on mount pad 1, so can be arranged in V-shaped groove 12 all successively by Ge Zu bearing test mechanism, can be guaranteed the concentricity of whole device by the positioning action of V-shaped groove 12, and reduce mechanical vibration, ensure that the radial direction of bearing test mechanism and circumference are fixed.Preferably, the angle of V-shaped groove 12 can be set to 90 °.In addition, the both ends of the surface of V-shaped groove 12 are also provided with web joint 13, two pieces of web joints 13 are fixed with the outer rim of bearing seat 5 respectively, ensure the axial restraint of bearing test mechanism.Particularly, this web joint 13 can be " L " template, and the end face of one end and V-shaped groove 12 is fixed, and offers straight breach at the outer rim place of bearing seat 5 simultaneously, by being close to of the other end of web joint 13 and this straight breach, then by fixtures such as tightening screws, web joint 13 and bearing seat 5 are fixed.
In addition, in order to improve the life of this proving installation, the rotating shaft 3 in the present embodiment and bearing seat 5 are made by nonmetallic materials, such as teflon or fiberglass etc.So, rotating shaft 3 and bearing seat 5 will have anti-corrosion, the characteristic such as high temperature resistant, improve serviceable life.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a lubricants performance proving installation, is characterized in that, comprises mount pad (1), is arranged on driver part (2) on described mount pad (1) and bearing test mechanism; Described bearing test mechanism comprises rotating shaft (3) and is arranged on the bearing (4) in described rotating shaft (3), and the bearing seat (5) be arranged on for fixing described bearing (4) in described rotating shaft (3), described bearing seat (5) inside has cavity, and described bearing (4) is built in described cavity; The output terminal of described driver part (2) is connected with described rotating shaft (3), fills with the lubricating oil to be measured being mixed into corrosive medium in described cavity.
2. lubricants performance proving installation according to claim 1, is characterized in that, described driver part (2) is variable-frequency motor, and the output shaft of described variable-frequency motor is connected with described rotating shaft (3).
3. lubricants performance proving installation according to claim 1, is characterized in that, described bearing seat (5) comprises left end cap (501), right end cap (502); The inner edge of described left end cap (501) and right end cap (502) is all close to the outer wall of described rotating shaft (3), and the outer rim of described left end cap (501) and right end cap (502) is close to mutually; The center section of described left end cap (501) and right end cap (502) is provided with projection, and projection described in two clamps the cycle surface of described bearing (4) respectively from both sides; Connected by fastening bolt (503) between described left end cap (501) and right end cap (502).
4. lubricants performance proving installation according to claim 3, is characterized in that, also comprises oil storage cup (6), variable valve (7), ebullator (8) and the petroleum pipeline (9) by three's sequential communication; On described left end cap (501), the end positions place of its radial direction of apportion is respectively arranged with oil-in (505) and oil return opening (504), and inside and outside described oil-in (505) and all through described bearing seat (5) of oil return opening (504); One of them outlet of described petroleum pipeline (9) is communicated with described oil-in (505), and another outlet is communicated with described oil return opening (504).
5. lubricants performance proving installation according to claim 3, it is characterized in that, between the inner edge of described left end cap (501) and right end cap (502) and the outer wall of described rotating shaft (3), be provided with lip-type packing (10); O-ring seals (11) is provided with between the outer rim that described left end cap (501) and right end cap (502) are close to mutually.
6. lubricants performance proving installation according to claim 1, is characterized in that, described corrosive medium is seawater, salt solution or bittern.
7. the lubricants performance proving installation according to any one of claim 1-6, it is characterized in that, described mount pad (1) is provided with bearing test mechanism described at least 2 groups, the described bearing test mechanism of each group is linearly evenly distributed on described mount pad (1); One end of described rotating shaft (3) is provided with groove, the other end be provided with can with the projection of described fit depressions; Described in two adjacent groups between bearing test mechanism, the compact siro spinning technology by the upper respective described groove of rotating shaft (3) described in adjacent two and described coordinating of projection.
8. the lubricants performance proving installation according to any one of claim 1-6, is characterized in that, described mount pad (1) is also provided with V-shaped groove (12), and described bearing test mechanism is arranged in described V-shaped groove (12); The both ends of the surface of described V-shaped groove (12) are provided with web joint (13), two pieces of described web joints (13) are fixed with the outer rim of described bearing seat (5) respectively.
9. the lubricants performance proving installation according to any one of claim 1-6, is characterized in that, described rotating shaft (3) and bearing seat (5) are made by nonmetallic materials.
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| CN201520508515.2U CN204945006U (en) | 2015-07-14 | 2015-07-14 | A kind of lubricants performance proving installation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950098A (en) * | 2015-07-14 | 2015-09-30 | 南车株洲电机有限公司 | Lubricating oil performance testing device |
| CN107991467A (en) * | 2016-10-27 | 2018-05-04 | 中国石油化工股份有限公司 | A kind of assessment method and device investigated lubricating oil and be directed to bearing rustless property |
| CN109253967A (en) * | 2018-11-05 | 2019-01-22 | 耐世特凌云驱动系统(涿州)有限公司 | High temperature aging test box exemplar automatic rotating device |
-
2015
- 2015-07-14 CN CN201520508515.2U patent/CN204945006U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950098A (en) * | 2015-07-14 | 2015-09-30 | 南车株洲电机有限公司 | Lubricating oil performance testing device |
| CN104950098B (en) * | 2015-07-14 | 2017-06-09 | 南车株洲电机有限公司 | A kind of lubricants performance test device |
| CN107991467A (en) * | 2016-10-27 | 2018-05-04 | 中国石油化工股份有限公司 | A kind of assessment method and device investigated lubricating oil and be directed to bearing rustless property |
| CN109253967A (en) * | 2018-11-05 | 2019-01-22 | 耐世特凌云驱动系统(涿州)有限公司 | High temperature aging test box exemplar automatic rotating device |
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