CN105628898B - A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator - Google Patents

A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator Download PDF

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Publication number
CN105628898B
CN105628898B CN201610217562.0A CN201610217562A CN105628898B CN 105628898 B CN105628898 B CN 105628898B CN 201610217562 A CN201610217562 A CN 201610217562A CN 105628898 B CN105628898 B CN 105628898B
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China
Prior art keywords
steel ball
vibrator
fixture
vibrating arm
shaft
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CN105628898A (en
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张帆
孔德巍
马荣华
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BEIJING GAOKE APPLICATION TECHNOLOGY INSTITUTE Co Ltd
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BEIJING GAOKE APPLICATION TECHNOLOGY INSTITUTE Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; Viscous liquids; Paints; Inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/30Oils, i.e. hydrocarbon liquids for lubricating properties

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  • 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 present invention proposes the attachment structure between the vibrator and fixture of a kind of diesel wetting quality determinator, including:Vibrating arm, for connecting vibrator and steel ball fixture, vibrating arm left end is connected with vibrator, and vibrating arm right-hand member is connected with steel ball fixture, and vibrating arm is structure as a whole.Beneficial effect of the present invention:Connected mode between steel ball fixture and vibrator is structure as a whole for Hard link, i.e. vibrating arm, middle without any breakpoint, effectively reduces the noise of diesel fuel lubricity testing machine stroke in high-frequency reciprocating motion, it is ensured that the accurate and effective of test data;Vibrating arm uses the Dual-contack radially contacted with end contact with steel ball fixture simultaneously, and end face is fixed, it connects dimension and connected by original one-dimensional plane, it is changed into the plane of two dimension plus the Dual positioning connection of disc, effect after improvement is substantially better than original structure, further obviate high frequency noise, experimental data also than past more rule and controllable, eliminates deviation caused by noise and unstable.

Description

A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator
Technical field
The present invention relates to detection means field, between the vibrator and fixture that particularly relate to a kind of diesel wetting quality determinator Attachment structure.
Background technology
With the increasingly reinforcement of environmental requirement, oil product upgrading turns into inexorable trend, and the control of oil product index is also tight all the more Lattice, the demand for testing instruments is also gradually increased.Due to the strict control of Sulfur Content in Petroleum Products, lubricity turns into a weight The detection project wanted.Diesel fuel lubricity analyzer is the routine analysis instrument for determining diesel fuel lubricity, because its performance is determined Determine the degree of accuracy of data, this just proposes higher requirement, therefore testing machine knot to the Stability and veracity of instrument The design of structure is particularly important.
Diesel fuel lubricity analyzer is the instrumentation for determining fuels lubricity, by upper and lower testpieces constant Stroke, frequency, under the conditions of normal pressure and certain Fuel temperature and aerial temperature and humidity, carry out after high-frequency reciprocating motion, The abrasion condition of determination test part, and then the greasy property of diesel oil is evaluated, wherein representing result of the test with wear scar diameter micron.
In the prior art, when determining the poor diesel oil of lubricity using diesel fuel lubricity analyzer, due to diesel oil in itself Lubricity is just very poor, even if the equipment generation vibration that normally operation also can be different degrees of and the problems such as noise, when vibrating larger, meeting Make running unstable and mill spot, mill mark shape produce change.Because the precision of the test requirements document is higher, the change of mill spot slightly Change will make final wear scar diameter data produce deviation, so that test data loses accuracy.
The structure type of existing experimental machine, can be divided into two parts:Movable part and stationary part.Movable part includes:Rub Steel ball, steel ball fixture, vibrating arm are wiped, and produces the vibrator of dither.Stationary part includes:Friction test piece, experiment Piece fixture, and heater block, pick-up part and connection member etc..Connected mode between steel ball fixture and vibrator is soft company Connect, such as vibrating arm is flexible axle, or vibrating arm is the variable-diameter structure that is formed by connecting of multistage, with vibration attenuation and Abirritation is impacted, but is found in actual use, the connected mode between steel ball fixture and vibrator works as vibration to be flexible coupling When bar drives steel ball fixture vibration at high speed, even very small gap, crooked, all can make connection both sides play pendulum, And then under resonance effect, further amplification vibration so that vibrating noise can not be stood.
The content of the invention
The present invention proposes the attachment structure between the vibrator and fixture of a kind of diesel wetting quality determinator, solves existing The problem of above-mentioned in technology.
The technical proposal of the invention is realized in this way:
A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator, including:
Vibrating arm, for connecting vibrator and steel ball fixture, the vibrating arm left end is connected with the vibrator, described to shake Lever right-hand member is connected with the steel ball fixture, and the vibrating arm is structure as a whole.
Preferably, the vibrating arm left end is threadedly coupled with the vibrator.
Further, the vibrating arm includes:
Bar body is vibrated, is connected with the vibrator;
Outrigger shaft, radially contacts with and end contact with the steel ball fixture for realizing, is arranged at the vibration bar body Right side, is structure as a whole with the vibration bar body.
Further, the outrigger shaft includes:
Extend shaft body, be connected with the vibration bar body right-hand member;
The shaft shoulder, for realization and the steel ball fixture end contact, is arranged on the left of the extension shaft body;
Outrigger shaft fixing hole, is radially contacted with for realizing with the steel ball fixture, is arranged at the extension shaft body right-hand member Central interior.
Further, a diameter of 4~6mm of the extension shaft body.
Further, a diameter of 10~14mm of the shaft shoulder.
Further, the steel ball fixture includes:
Steel ball fixture body;
Protruding shaft, is arranged at the left side of the steel ball fixture body, is connected with the steel ball fixture body, with the outrigger shaft Body and shaft shoulder matching;
Axis hole, for inserting extension shaft body, is arranged at the protruding shaft left end central interior;
Fixed via, for securing mean pass through so that the fixing device is connected realization with the outrigger shaft fixing hole The outrigger shaft is fixedly connected with the steel ball fixture, is arranged inside the steel ball fixture body central, is connected with the axis hole It is logical.
Further,
The outrigger shaft also includes:
Groove, is arranged on the shaft shoulder right side;
The steel ball fixture also includes:
Projection, for inserting the groove, is arranged at the protruding shaft left end, with the matching grooves.
Beneficial effects of the present invention are:
Attachment structure between the vibrator and fixture of diesel wetting quality determinator of the present invention, steel ball fixture is with swashing The connected mode shaken between device is structure as a whole for Hard link, i.e. vibrating arm, and centre effectively reduces diesel oil profit without any breakpoint The noise of slip testing machine stroke in high-frequency reciprocating motion, makes diesel fuel lubricity testing machine in more steady, quiet environment Lower operation, it is ensured that the accurate and effective of test data;Vibrating arm is employed with steel ball fixture and radially contacted with and end contact simultaneously Dual-contack, and end face fixes, and it connects dimension and connected by original one-dimensional plane, be changed into two dimension plane plus disc it is double Reorientation connection, the effect after improvement is substantially better than original structure, further obviates high frequency noise, experimental data was also than the past More rule and controllable, eliminates deviation caused by noise and unstable.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the vibrating arm of the attachment structure between the vibrator and fixture of a kind of diesel wetting quality determinator of the invention Structural representation;
Fig. 2 is Fig. 1 right view;
Fig. 3 is the steel ball fixture of the attachment structure between the vibrator and fixture of a kind of diesel wetting quality determinator of the invention Structural representation;
Fig. 4 is Fig. 3 left view;
Fig. 5 is the structural representation of the attachment structure between the vibrator and fixture of a kind of diesel wetting quality determinator of the invention Figure;
Fig. 6 is the use state of the attachment structure between the vibrator and fixture of a kind of diesel wetting quality determinator of the invention With reference to figure.
In figure:
1st, vibrator;2nd, steel ball fixture;201st, steel ball fixture body;202nd, protruding shaft;203rd, axis hole;204th, fixed via; 205th, it is raised;3rd, vibrating arm;301st, bar body is vibrated;302nd, outrigger shaft;3021st, shaft body is extended;3022nd, the shaft shoulder;3023rd, prolong Stretch axle fixing hole;3024th, 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 carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
As shown in figures 1 to 6, the connection between the vibrator and fixture of a kind of diesel wetting quality determinator of the present invention Structure, including:
Vibrating arm 3, for connecting vibrator 1 and steel ball fixture 2, the left end of vibrating arm 3 is connected with vibrator 1, and vibrating arm 3 is right End is connected with steel ball fixture 2, and vibrating arm 3 is structure as a whole.
Wherein, vibrating arm is structure as a whole, and refers to that non-multiple component combinations are formed, and centre is without any breakpoint.Vibrating arm is excellent Elect metal straight rod as.
Attachment structure between the vibrator and fixture of diesel wetting quality determinator of the present invention, steel ball fixture 2 with Connected mode between vibrator 1 is structure as a whole for Hard link, i.e. vibrating arm 3, middle without any breakpoint, link position and original After having structure compared to mistake, the noise of diesel fuel lubricity testing machine stroke in high-frequency reciprocating motion is effectively reduced, moistens diesel oil Slip testing machine is run under more steady, quiet environment, it is ensured that the accurate and effective of test data.
Wherein it is preferred to, the left end of vibrating arm 3 is threadedly coupled with vibrator 1.Certainly, the left end of vibrating arm 3 and vibrator 1 can also be using other manner connection, and the present invention is to this without limiting.
Wherein, the vibrating arm 3 can include:
Bar body 301 is vibrated, is connected with vibrator 1;
Outrigger shaft 302, is radially contacted with and end contact for realizing with steel ball fixture 2, is arranged at vibration bar body 301 right Side, is structure as a whole with vibration bar body 301.
Wherein, the outrigger shaft 302 can include:
Extend shaft body 3021, be connected with the vibration right-hand member of bar body 301;
The shaft shoulder 3022, for realization and the end contact of steel ball fixture 2, is arranged at the left side of extension shaft body 3021;
Outrigger shaft fixing hole 3023, is radially contacted with for realizing with steel ball fixture 2, is arranged at the extension right-hand member of shaft body 3021 Central interior.
Attachment structure between the vibrator and fixture of diesel wetting quality determinator of the present invention, vibrating arm 3 and steel Ball chuck tool 2 employs the Dual-contack radially contacted with end contact, and end face is fixed, and it connects dimension by original one-dimensional flat Face is connected, and is changed into the plane of two dimension plus the Dual positioning connection of disc, and the effect after improvement is substantially better than original structure, further Eliminate high frequency noise, experimental data also than past more rule and controllable, eliminates deviation caused by noise and unstable.
Wherein it is preferred to, a diameter of 4~6mm of the extension shaft body 3021.Certainly, extension shaft body 3021 is straight Footpath can also be other sizes, such as 5mm, the present invention to this without limit.
Wherein it is preferred to, a diameter of 10~14mm of the shaft shoulder 3022.Certainly, the diameter of the shaft shoulder 3022 can also be Other sizes, such as 11mm, 12mm or 13mm, the present invention is to this without limiting.
Wherein it is preferred to, a diameter of 5mm, a diameter of 12mm of the shaft shoulder 3022 of the extension shaft body 3021, now bavin The noise of oil lubricity testing machine stroke in high-frequency reciprocating motion is smaller, and test data is more accurate.
Wherein, the steel ball fixture 2 can include:
Steel ball fixture body 201;
Protruding shaft 202, is arranged at the left side of steel ball fixture body 201, is connected with steel ball fixture body 201, with outrigger shaft sheet Body 3021 and the shaft shoulder 3022 are matched;
Axis hole 203, for inserting extension shaft body 3021, is arranged at the left end central interior of protruding shaft 202;
Fixed via 204, for securing mean pass through so that fixing device is connected realization with outrigger shaft fixing hole 3023 Outrigger shaft 302 is fixedly connected with steel ball fixture 2, is arranged at the central interior of steel ball fixture body 201, is connected with axis hole 203.
Wherein, fixing device can be screw or bolt, can also be other types of fixing device certainly, and the present invention is right This is without limiting.
Wherein, the length of protruding shaft 202 is identical with the length for extending shaft body 3021, external diameter and the shaft shoulder 3022 of protruding shaft 202 External diameter it is identical, to realize close connection.
Wherein, the outrigger shaft 302 can also include:
Groove 3024, is arranged on the right side of the shaft shoulder 3022;
The steel ball fixture 2 can also include:
Projection 205, for inserting groove 3024, is arranged at the left end of protruding shaft 202, is matched with groove 3024.
Attachment structure between the vibrator and fixture of diesel wetting quality determinator of the present invention, can further increase Large access area so that connection is more firm, while playing positioning action.
Attachment structure between the vibrator and fixture of diesel wetting quality determinator of the present invention, original simple On the basis of end face is fixedly connected, the connection in axle and hole is added, i.e., is fixed by original end contact and end face, is improved to footpath Fixed to contact and the Dual-contack of end contact, and end face, connection dimension is connected by original one-dimensional plane, is changed into two dimension Plane adds the Dual positioning of disc to connect.Why high frequency noise is produced in addition, relevant with the intrinsic frequency that vibration is secondary, quality is got over Small intrinsic frequency is higher, easier generation high frequency noise, this time improves the setting for adding vibration secondary quality, the i.e. shaft shoulder 3022 Add the secondary quality of vibration, improve the secondary intrinsic frequency of vibration so that be more not likely to produce high frequency noise, by it is very long when Between practice and grope, the effect of structure is substantially better than original structure after improvement, essentially eliminates high frequency noise, experimental data Compare past more rule and controllable, eliminate deviation caused by noise and unstable.
In the description of the invention, unless otherwise indicated, term " on ", " under ", "left", "right", " interior ", " outer ", " left End ", " right-hand member ", " left part ", the orientation of the instruction such as " right part " or position relationship be based on orientation shown in the drawings or position relationship, It is for only for ease of the description present invention and simplifies description, rather than to indicate or imply that signified device or element must have specific Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " connected ", " company Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected;It can be machine Tool is connected or electrically connected;Can be joined directly together, can also be indirectly connected to by intermediary.For this area For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (4)

1. the attachment structure between the vibrator and fixture of a kind of diesel wetting quality determinator, it is characterised in that including:
Vibrating arm (3), for connecting vibrator (1) and steel ball fixture (2), vibrating arm (3) left end and the vibrator (1) Connection, vibrating arm (3) right-hand member is connected with the steel ball fixture (2), and the vibrating arm (3) is structure as a whole;
The vibrating arm (3) includes:
Bar body (301) is vibrated, is connected with the vibrator (1);
Outrigger shaft (302), radially contacts with and end contact with the steel ball fixture (2) for realizing, is arranged at the vibrating arm On the right side of body (301), it is structure as a whole with the vibration bar body (301);
The outrigger shaft (302) includes:
Extend shaft body (3021), be connected with described vibration bar body (301) right-hand member;
The shaft shoulder (3022), for realization and the steel ball fixture (2) end contact, is arranged at the extension shaft body (3021) left Side;
Outrigger shaft fixing hole (3023), radially contacts with the steel ball fixture (2) for realizing, is arranged at the extension shaft body (3021) right-hand member central interior;
The steel ball fixture (2) includes:
Steel ball fixture body (201);
Protruding shaft (202), is arranged at the left side of the steel ball fixture body (201), is connected with the steel ball fixture body (201), Matched with the extension shaft body (3021) and the shaft shoulder (3022);
Axis hole (203), for inserting extension shaft body (3021), is arranged at the protruding shaft (202) left end central interior;
Fixed via (204), for securing mean pass through so that the fixing device and the outrigger shaft fixing hole (3023) Connection realizes that the outrigger shaft (302) is fixedly connected with the steel ball fixture (2), is arranged at the steel ball fixture body (201) Central interior, is connected with the axis hole (203);
Wherein, vibrating arm (3) left end is threadedly coupled with the vibrator (1).
2. the attachment structure between the vibrator and fixture of diesel wetting quality determinator according to claim 1, its feature It is, a diameter of 4~6mm of the extension shaft body (3021).
3. the attachment structure between the vibrator and fixture of diesel wetting quality determinator according to claim 1, its feature It is, a diameter of 10~14mm of the shaft shoulder (3022).
4. the attachment structure between the vibrator and fixture of diesel wetting quality determinator according to claim 1, its feature It is,
The outrigger shaft (302) also includes:
Groove (3024), is arranged on the shaft shoulder (3022) right side;
The steel ball fixture (2) also includes:
Raised (205), for inserting the groove (3024), are arranged at the protruding shaft (202) left end, with the groove (3024) Matching.
CN201610217562.0A 2016-04-08 2016-04-08 A kind of attachment structure between the vibrator and fixture of diesel wetting quality determinator Active CN105628898B (en)

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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

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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

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

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* Cited by examiner, † Cited by third party
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
CN103063530B (en) * 2012-08-16 2015-03-25 南京航空航天大学 Micro-movement friction and abrasion testing machine
CN103076246B (en) * 2013-01-06 2014-10-22 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

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