CN105628898A - Connecting structure between vibration exciter of diesel oil lubricity determining device and clamp - Google Patents
Connecting structure between vibration exciter of diesel oil lubricity determining device and clamp Download PDFInfo
- Publication number
- CN105628898A CN105628898A CN201610217562.0A CN201610217562A CN105628898A CN 105628898 A CN105628898 A CN 105628898A CN 201610217562 A CN201610217562 A CN 201610217562A CN 105628898 A CN105628898 A CN 105628898A
- Authority
- CN
- China
- Prior art keywords
- steel ball
- fixture
- vibrator
- vibration bar
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002283 diesel fuel Substances 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 241000863032 Trieres Species 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 241000168254 Siro Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/30—Oils, i.e. hydrocarbon liquids for lubricating properties
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fuel-Injection Apparatus (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a connecting structure between a vibration exciter of a diesel oil lubricity determining device and a clamp. The connecting structure comprises a vibration rod, wherein the vibration rod is used for connecting the vibration exciter with a steel ball clamp, the left end of the vibration rod is connected with the vibration exciter, and the right end of the vibration rod is connected with the steel ball clamp, so that the vibration rod is of an integral structure. The connecting structure has the beneficial effects that the steel ball clamp is in hard connection with the vibration exciter, namely that the vibration rod is of the integral structure without any breakpoint, so that the noise in the high-frequency reciprocating motion process of a diesel oil lubricity tester is effectively reduced, and the experiment data is accurate and effective; and meanwhile, by virtue of dual contact including radial contact and end surface contact between the vibration rod and the steel ball clamp as well as end surface fixation, the connection dimension is increased from original one-dimensional plane connection to two-dimensional plane-round surface dual positioning connection, so that the effect of the improved structure is obviously superior to that of the original structure, the high-frequency nose is further eliminated, the experiment data is more regular and controllable than that in the past, and the deviation and instability caused by the noise are eliminated.
Description
Technical field
The present invention relates to detection device field, refer to the connection structure between the vibrator of a kind of diesel fuel lubricity determinator and fixture especially.
Background technology
Along with the reinforcement day by day of environmental requirement, oil product upgrading has become inexorable trend, and the control of oil product index is also strict all the more, and the demand for testing instruments also strengthens gradually. Due to the strict control of Sulfur Content in Petroleum Products, oilness has become an important test item. Diesel fuel lubricity determinator is the routine analysis instrument measuring diesel fuel lubricity, and owing to its use properties decides the degree of accuracy of data, the Stability and veracity of instrument is just had higher requirement by this, and therefore the design of testing machine structure is particularly important.
Diesel fuel lubricity determinator is the instrumentation for measuring fuels lubricity, by upper and lower test part when constant stroke, frequency, positive pressure and certain Fuel temperature and aerial temperature and humidity, after carrying out high-frequency reciprocating motion, the wear pattern of determination test part, and then evaluate the lubricity of diesel oil, wherein represent test-results with wear scar diameter micron.
In prior art, when the diesel oil using diesel fuel lubricity determinator mensuration oilness poor, owing to the oilness of diesel oil own is just very poor, also can the problem such as generation vibration and noise in various degree even if equipment normally runs, when vibrating bigger, can make that running is unstable and mill spot, mill mark shape change. Owing to the precision of this test requirements document is higher, grind the slight change of spot and final wear scar diameter data will be made to produce deviation, thus make testing data lose accuracy.
The structure formation of existing experimental machine, can be divided into two parts: moving part and static part. Moving part comprises: friction steel ball, steel ball fixture, vibration bar, and produces the vibrator of high-frequency vibration. Stationary part is divided and is comprised: rub(bing)test sheet, test film jig, and heater block, pick-up parts and interconnecting piece etc. Mode of connection between steel ball fixture and vibrator is for being flexible coupling, such as vibrating bar is flexible shaft, or vibration bar is the variable-diameter structure that multistage is formed by connecting, there is vibration damping effect and impact mitigate effects, but find in actual use, mode of connection between steel ball fixture and vibrator is for being flexible coupling, when vibrating bar and drive steel ball fixture vibration at high speed, even it is very little gap, crooked, capital makes connection both sides play pendulum, and then under resonance effect, amplifying vibration further so that vibrating noise cannot be stood.
Summary of the invention
The present invention proposes the connection structure between the vibrator of a kind of diesel fuel lubricity determinator and fixture, solves problem above-mentioned in prior art.
The technical scheme of the present invention is achieved in that
A connection structure between the vibrator of diesel fuel lubricity determinator and fixture, comprising:
Vibration bar, for connecting vibrator and steel ball fixture, described vibration bar left end is connected with described vibrator, and described vibration bar right-hand member is connected with described steel ball fixture, and described vibration bar is structure as a whole.
Preferably, described vibration bar left end is threaded with described vibrator.
Further, described vibration bar comprises:
Vibration bar body, is connected with described vibrator;
Extend axle, contact and end contact with described steel ball fixture radial direction for realizing, be arranged on the right side of described vibration bar body, be structure as a whole with described vibration bar body.
Further, described extension axle comprises:
Extend axle body, it is connected with described vibration bar body right-hand member;
The shaft shoulder, for realizing and described steel ball fixture end contact, is arranged on the left of described extension axle body;
Extend axle fixed orifices, contact with described steel ball fixture radial direction for realizing, be arranged at described extension axle body right-hand member central interior.
Further, the diameter of described extension axle body is 4��6mm.
Further, the diameter of the described shaft shoulder is 10��14mm.
Further, described steel ball fixture comprises:
Steel ball chuck body;
Convex axle, is arranged at the left side of described steel ball chuck body, is connected with described steel ball chuck body, mates with described extension axle body and the described shaft shoulder;
Axis hole, for making extension axle body insert, is arranged at described convex axle left end central interior;
Fixing through hole, passes for making stationary installation so that described stationary installation is connected with described extension axle fixed orifices and realizes described extension axle and be fixedly connected with described steel ball fixture, is arranged at described steel ball chuck body central interior, is connected with described axis hole.
Further,
Described extension axle also comprises:
Groove, is arranged on described shaft shoulder right side;
Described steel ball fixture also comprises:
Projection, for inserting described groove, is arranged at described convex axle left end, mates with described groove.
The useful effect of the present invention is:
Connection structure between the vibrator of diesel fuel lubricity determinator of the present invention and fixture, mode of connection between steel ball fixture and vibrator is Hard link, namely vibrate bar to be structure as a whole, middle without any breakpoint, effectively reduce the noise of diesel fuel lubricity trier stroke in high-frequency reciprocating moves, make the diesel fuel lubricity trier more steadily, quietly run under environment, it is ensured that the accurate and effective of testing data; Vibration bar have employed radial direction and contacts the Dual-contack with end contact with steel ball fixture simultaneously, and end face fixes, it connects dimension and connects by original one-dimensional plane, the plane turning into two dimension adds the Dual positioning connection of disc, successful after improvement is better than original structure, further obviating high frequency noise, experimental data also than past rule and controlled more, eliminates deviation and instability that noise causes.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, it is 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 some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the vibration bar of the connection structure between the vibrator of a kind of diesel fuel lubricity determinator of the present invention and fixture;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structural representation of the steel ball fixture of the connection structure between the vibrator of a kind of diesel fuel lubricity determinator of the present invention and fixture;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of the connection structure between the vibrator of a kind of diesel fuel lubricity determinator of the present invention and fixture;
Fig. 6 is the using state reference drawing of the connection structure between the vibrator of a kind of diesel fuel lubricity determinator of the present invention and fixture.
In figure:
1, vibrator; 2, steel ball fixture; 201, steel ball chuck body; 202, convex axle; 203, axis hole; 204, fixing through hole; 205, protruding; 3, bar is vibrated; 301, bar body is vibrated; 302, axle is extended; 3021, axle body is extended; 3022, the shaft shoulder; 3023, axle fixed orifices is extended; 3024, groove.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in figures 1 to 6, the connection structure between the vibrator of a kind of diesel fuel lubricity determinator of the present invention and fixture, comprising:
Vibration bar 3, for connecting vibrator 1 and steel ball fixture 2, vibration bar 3 left end is connected with vibrator 1, and vibration bar 3 right-hand member is connected with steel ball fixture 2, and vibration bar 3 is structure as a whole.
Wherein, vibration bar is structure as a whole, and refers to non-multiple component combination and becomes, middle without any breakpoint. Vibration bar is preferably metal straight rod.
Connection structure between the vibrator of diesel fuel lubricity determinator of the present invention and fixture, mode of connection between steel ball fixture 2 and vibrator 1 is Hard link, namely vibrate bar 3 to be structure as a whole, middle without any breakpoint, after link position is wrong compared with original structure, effectively reduce diesel fuel lubricity trier noise of stroke in high-frequency reciprocating moves, make diesel fuel lubricity trier more steadily, quietly run under environment, it is ensured that the accurate and effective of testing data.
Wherein, it may be preferred that described vibration bar 3 left end is threaded with vibrator 1. Certainly, vibration bar 3 left end can also adopt alternate manner to be connected with vibrator 1, and this is not limited by the present invention.
Wherein, described vibration bar 3 can comprise:
Vibration bar body 301, is connected with vibrator 1;
Extend axle 302, contact and end contact with steel ball fixture 2 radial direction for realizing, be arranged on the right side of vibration bar body 301, be structure as a whole with vibration bar body 301.
Wherein, described extension axle 302 can comprise:
Extend axle body 3021, it is connected with vibration bar body 301 right-hand member;
The shaft shoulder 3022, for realizing and steel ball fixture 2 end contact, is arranged at and extends on the left of axle body 3021;
Extend axle fixed orifices 3023, contact with steel ball fixture 2 radial direction for realizing, be arranged at and extend axle body 3021 right-hand member central interior.
Connection structure between the vibrator of diesel fuel lubricity determinator of the present invention and fixture, vibration bar 3 have employed radial direction and contacts the Dual-contack with end contact with steel ball fixture 2, and end face fixes, it connects dimension and connects by original one-dimensional plane, the plane turning into two dimension adds the Dual positioning connection of disc, and the successful after improvement is better than original structure, further obviates high frequency noise, experimental data also than past rule and controlled more, eliminates deviation and instability that noise causes.
Wherein, it may be preferred that the diameter of described extension axle body 3021 is 4��6mm. Certainly, the diameter extending axle body 3021 can also be other size, such as 5mm, and this is not limited by the present invention.
Wherein, it may be preferred that the diameter of the described shaft shoulder 3022 is 10��14mm. Certainly, the diameter of the shaft shoulder 3022 can also be other size, such as 11mm, 12mm or 13mm, and this is not limited by the present invention.
Wherein, it may be preferred that the diameter of described extension axle body 3021 is 5mm, and the diameter of the shaft shoulder 3022 is 12mm, now the noise of diesel fuel lubricity trier stroke in high-frequency reciprocating moves is less, and testing data is more accurate.
Wherein, described steel ball fixture 2 can comprise:
Steel ball chuck body 201;
Convex axle 202, is arranged at the left side of steel ball chuck body 201, is connected with steel ball chuck body 201, mates with extension axle body 3021 and the shaft shoulder 3022;
Axis hole 203, for making extension axle body 3021 insert, is arranged at convex axle 202 left end central interior;
Fixing through hole 204, passes for making stationary installation so that stationary installation is connected realization extension axle 302 with extension axle fixed orifices 3023 is fixedly connected with steel ball fixture 2, is arranged at steel ball chuck body 201 central interior, is connected with axis hole 203.
Wherein, stationary installation can be screw or bolt, can also be the stationary installation of other type certainly, and this is not limited by the present invention.
Wherein, the length of convex axle 202 is identical with the length extending axle body 3021, and the external diameter of convex axle 202 is identical with the external diameter of the shaft shoulder 3022, to realize compact siro spinning technology.
Wherein, described extension axle 302 can also comprise:
Groove 3024, is arranged on the shaft shoulder 3022 right side;
Described steel ball fixture 2 can also comprise:
Protruding 205, for inserting groove 3024, it is arranged at convex axle 202 left end, mates with groove 3024.
Connection structure between the vibrator of diesel fuel lubricity determinator of the present invention and fixture, it is possible to enlarge active surface further so that connect more firm, play positioning action simultaneously.
Connection structure between the vibrator of diesel fuel lubricity determinator of the present invention and fixture, on the basis that original simple end face is fixedly connected with, add the connection in axle and hole, namely fix by original end contact and end face, it is improved to the Dual-contack of radial contact and end contact, and end face fixes, connecting dimension and connect by original one-dimensional plane, the Dual positioning that the plane turning into two dimension adds disc connects. Why produce high frequency noise in addition, the natural frequency secondary with vibration is relevant, the more little natural frequency of quality is more high, more easily produce high frequency noise, this time improve and add the secondary quality of vibration, namely the setting of the shaft shoulder 3022 adds the secondary quality of vibration, improve the natural frequency that vibration is secondary, make more not easily to produce high frequency noise, passing through practice for a long time and grope, after improving, the successful of structure is better than original structure, essentially eliminates high frequency noise, experimental data also compares in the past rule and controlled more, eliminates deviation and instability that noise causes.
In describing the invention, unless otherwise explanation, term " on ", D score, "left", "right", " interior ", " outward ", " left end ", " right-hand member ", " left part ", the orientation of the instruction such as " right portion " or position are closed is based on orientation shown in the drawings or position relation, it is only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary. For the ordinary skill in the art, it is possible to particular case understands above-mentioned term concrete implication in the present invention.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. connection structure between the vibrator of a diesel fuel lubricity determinator and fixture, it is characterised in that, comprising:
Vibration bar (3), for connecting vibrator (1) and steel ball fixture (2), described vibration bar (3) left end is connected with described vibrator (1), described vibration bar (3) right-hand member is connected with described steel ball fixture (2), and described vibration bar (3) is structure as a whole.
2. connection structure between the vibrator of diesel fuel lubricity determinator according to claim 1 and fixture, it is characterised in that, described vibration bar (3) left end is threaded with described vibrator (1).
3. connection structure between the vibrator of diesel fuel lubricity determinator according to claim 1 and fixture, it is characterised in that, described vibration bar (3) comprising:
Vibration bar body (301), is connected with described vibrator (1);
Extend axle (302), contact and end contact with described steel ball fixture (2) radial direction for realizing, be arranged at described vibration bar body (301) right side, be structure as a whole with described vibration bar body (301).
4. connection structure between the vibrator of diesel fuel lubricity determinator according to claim 3 and fixture, it is characterised in that, described extension axle (302) comprising:
Extend axle body (3021), it is connected with described vibration bar body (301) right-hand member;
The shaft shoulder (3022), for realizing and described steel ball fixture (2) end contact, is arranged at described extension axle body (3021) left side;
Extend axle fixed orifices (3023), contact with described steel ball fixture (2) radial direction for realizing, be arranged at described extension axle body (3021) right-hand member central interior.
5. connection structure between the vibrator of diesel fuel lubricity determinator according to claim 4 and fixture, it is characterised in that, the diameter of described extension axle body (3021) is 4��6mm.
6. connection structure between the vibrator of diesel fuel lubricity determinator according to claim 4 and fixture, it is characterised in that, the diameter of the described shaft shoulder (3022) is 10��14mm.
7. connection structure between the vibrator of diesel fuel lubricity determinator according to claim 4 and fixture, it is characterised in that, described steel ball fixture (2) comprising:
Steel ball chuck body (201);
Convex axle (202), it is arranged at the left side of described steel ball chuck body (201), it is connected with described steel ball chuck body (201), mates with described extension axle body (3021) and the described shaft shoulder (3022);
Axis hole (203), for making extension axle body (3021) insert, is arranged at described convex axle (202) left end central interior;
Fixing through hole (204), pass so that described stationary installation is connected with described extension axle fixed orifices (3023) and realizes described extension axle (302) and be fixedly connected with described steel ball fixture (2) for making stationary installation, it is arranged at described steel ball chuck body (201) central interior, it is connected with described axis hole (203).
8. connection structure between the vibrator of diesel fuel lubricity determinator according to claim 7 and fixture, it is characterised in that,
Described extension axle (302) also comprises:
Groove (3024), is arranged on the described shaft shoulder (3022) right side;
Described steel ball fixture (2) also comprises:
Protruding (205), for inserting described groove (3024), are arranged at described convex axle (202) left end, mate with described groove (3024).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217562.0A CN105628898B (en) | 2016-04-08 | 2016-04-08 | A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217562.0A CN105628898B (en) | 2016-04-08 | 2016-04-08 | A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105628898A true CN105628898A (en) | 2016-06-01 |
| CN105628898B CN105628898B (en) | 2017-08-29 |
Family
ID=56044031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610217562.0A Active CN105628898B (en) | 2016-04-08 | 2016-04-08 | A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105628898B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237294A1 (en) * | 2018-06-13 | 2019-12-19 | 北京朝阳高科应用技术研究所有限公司 | Device, system, and testing machine for testing fuel lubricity |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201229330Y (en) * | 2008-07-24 | 2009-04-29 | 北京朝阳高科应用技术研究所有限公司 | Diesel wetting quality determinator |
| JP4847878B2 (en) * | 2007-01-12 | 2011-12-28 | 日本工作油株式会社 | Lubricant lubricating performance test method and friction test apparatus |
| JP5114276B2 (en) * | 2008-04-07 | 2013-01-09 | Ｎｔｎ株式会社 | Lubricity evaluation apparatus and lubricity evaluation method for lubricant for rolling bearing |
| CN103063530A (en) * | 2012-08-16 | 2013-04-24 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN103076246A (en) * | 2013-01-06 | 2013-05-01 | 北京航空航天大学 | Double-shaft high-low cycle complex fatigue tester |
| CN203561566U (en) * | 2013-05-12 | 2014-04-23 | 南京神源生智能科技有限公司 | Reciprocation type micro-motion friction abrasion tester |
| CN205538968U (en) * | 2016-04-08 | 2016-08-31 | 北京朝阳高科应用技术研究所有限公司 | Vibration exciter of diesel oil lubricity survey device and connection structure between anchor clamps |
-
2016
- 2016-04-08 CN CN201610217562.0A patent/CN105628898B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4847878B2 (en) * | 2007-01-12 | 2011-12-28 | 日本工作油株式会社 | Lubricant lubricating performance test method and friction test apparatus |
| JP5114276B2 (en) * | 2008-04-07 | 2013-01-09 | Ｎｔｎ株式会社 | Lubricity evaluation apparatus and lubricity evaluation method for lubricant for rolling bearing |
| CN201229330Y (en) * | 2008-07-24 | 2009-04-29 | 北京朝阳高科应用技术研究所有限公司 | Diesel wetting quality determinator |
| CN103063530A (en) * | 2012-08-16 | 2013-04-24 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN103076246A (en) * | 2013-01-06 | 2013-05-01 | 北京航空航天大学 | Double-shaft high-low cycle complex fatigue tester |
| CN203561566U (en) * | 2013-05-12 | 2014-04-23 | 南京神源生智能科技有限公司 | Reciprocation type micro-motion friction abrasion tester |
| CN205538968U (en) * | 2016-04-08 | 2016-08-31 | 北京朝阳高科应用技术研究所有限公司 | Vibration exciter of diesel oil lubricity survey device and connection structure between anchor clamps |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237294A1 (en) * | 2018-06-13 | 2019-12-19 | 北京朝阳高科应用技术研究所有限公司 | Device, system, and testing machine for testing fuel lubricity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105628898B (en) | 2017-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7055258B2 (en) | Kinematic coupling with damper | |
| EP0407489B1 (en) | Measurement probe using bearings with centralised rolling elements | |
| KR102008172B1 (en) | Wire rope damage detection device and adjusting jig | |
| CN108291900A (en) | Rub detection device and method | |
| CN105628898A (en) | Connecting structure between vibration exciter of diesel oil lubricity determining device and clamp | |
| US4270390A (en) | Vibration test bearing table apparatus affording a single degree of freedom test piece path | |
| CN205538968U (en) | Vibration exciter of diesel oil lubricity survey device and connection structure between anchor clamps | |
| CN203551099U (en) | Optical fiber grating sensor | |
| US4169788A (en) | Screening machine | |
| US3605176A (en) | Cross flexure hinge | |
| JP2019045371A (en) | Caliper with sliding spring | |
| CN220302652U (en) | Guide rail mechanism | |
| CN208377708U (en) | A kind of combined electrical magnetic vibrator | |
| CN206277235U (en) | Sander | |
| RU2664970C1 (en) | Device for measuring groove parameters on bushing end | |
| CN215395178U (en) | To closing mouthful scribing device | |
| DD226367A1 (en) | ARRANGEMENT FOR INCREASING THE STIFFNESS OF TEST POTS | |
| SU1359637A1 (en) | Tangency measuring head | |
| KR101853829B1 (en) | Material property evaluating apparatus | |
| CN214470465U (en) | Measuring device | |
| US2633544A (en) | Oscillating electric motor | |
| CN110587481B (en) | Intermittent grinding active measuring device and piston damping structure thereof | |
| CN214409926U (en) | Electromagnetic input pen | |
| CN203385391U (en) | Surface roughness measuring instrument sensor | |
| CN112363310B (en) | Transmission mechanism and high-precision microscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |