CN114113824A - Grease conductivity measuring device - Google Patents
Grease conductivity measuring device Download PDFInfo
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- CN114113824A CN114113824A CN202111197339.1A CN202111197339A CN114113824A CN 114113824 A CN114113824 A CN 114113824A CN 202111197339 A CN202111197339 A CN 202111197339A CN 114113824 A CN114113824 A CN 114113824A
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- grease
- measuring device
- storage box
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- plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a lubricating grease conduction measuring device which comprises a grease storage box, two side plates and two conducting plates, wherein a cavity for containing lubricating grease is arranged at the top of the grease storage box, openings are formed in the front side and the rear side of the grease storage box through the cavity, the two side plates are arranged on the front side and the rear side of the grease storage box and are matched with the openings for opening and closing, the side plates and the grease storage box are detachably connected through a connecting member, two groups of inserting grooves which are matched and guided to be inserted into the left side edge and the right side edge of the two conducting plates respectively are further arranged at the top of the grease storage box, the two groups of inserting grooves are communicated with the cavity, so that the conducting plates can be inserted into the cavity along the inserting grooves, and the upper ends of the conducting plates are connected with a conducting connecting part. The invention has simple structure, and can conveniently test the conductivity of the lubricating grease, thereby providing support for the evaluation of the conductivity of the lubricating grease.
Description
Technical Field
The invention relates to a lubricating grease conductivity measuring device.
Background
The lubricating grease has a wide application range, is generally used in transmission parts in mechanical parts and plays a role in reducing friction and wear. The lubricating grease is generally non-conductive, but in some special application scenarios, substances such as graphite, ionic liquid and the like can be added to meet the needs of specific working conditions, such as lubrication applications of various electronic, toy and electrical appliance switches and connectors in the industries of automobiles and household electrical appliances, and conductive grease is also needed to be used in alternating current generator bearings to avoid current corrosion of bearing ring raceways caused by induced current. However, there is no specific measuring device for evaluating the conductivity of the grease, so how to provide a testing device capable of rapidly measuring the conductivity of the grease is a technical problem to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the device which is simple in structure and can conveniently test the conductivity of the lubricating grease, and can provide support for evaluating the conductivity of the lubricating grease.
In order to achieve the purpose, the invention provides a lubricating grease conductivity measuring device which comprises a grease storage box, two side plates and two conductive plates, wherein a cavity for containing lubricating grease is formed in the top of the grease storage box, openings are formed in the front side and the rear side of the grease storage box, the two side plates are installed on the front side and the rear side of the grease storage box and are matched with the openings to be opened and closed, the side plates and the grease storage box are detachably connected through a connecting member, two groups of slots which are matched with the edges of the left side and the right side of the two conductive plates in a guiding insertion mode are further formed in the top of the grease storage box, the two groups of slots are communicated with the cavity, so that the conductive plates can be inserted into the cavity along the slots, and the upper ends of the conductive plates are connected with conductive connecting parts.
Furthermore, the width of slot is greater than the thickness of conducting plate, and the front and back both sides of fat storage box are provided with the first hole that is linked together with the slot respectively, wear to be equipped with in the first hole to compress tightly the part that compresses tightly that can compress tightly the conducting plate location at slot one side inner wall.
Furthermore, the compressing component is a jackscrew, the jackscrew is in threaded connection with the first hole, and a second hole for exposing one end of the jackscrew is formed in the position, corresponding to the jackscrew, of the side plate.
Furthermore, the connecting component is a positioning pin penetrating between the grease storage box and the side plate, a third hole for the positioning pin to penetrate is formed in the side plate, and fourth holes in threaded connection with the positioning pin are formed in the front side and the rear side of the grease storage box.
In another scheme, connecting elements are two, and set up respectively in the left and right sides of storing up fat box and curb plate, connecting elements is U style of calligraphy structure, and it is in including the basal portion and symmetry respectively setting up two clamp connection arms at basal portion both ends, and the left and right sides of storing up fat box is provided with the first breach of inlaying the dress with the basal portion cooperation of connecting elements, and the outside of two curb plates is provided with the second breach of inlaying the dress with the clamp connection arm cooperation of connecting elements, and the tight fitting surface of clamp between two clamp connection arms of connecting elements and the second breach of two curb plates all is the slope setting, and be provided with joint location structure on the fitting surface.
In another scheme, the pressing part is fixedly arranged on the inner side of the side plate, and the pressing part can simultaneously form pressing positioning on the conductive plate based on the interconnection of the side plate and the grease storage box.
Further, be provided with the fifth hole that supplies to compress tightly the part and wear to establish the location on the curb plate, compress tightly the part including base, ejector pin, spring, the base is the annular, and the ejector pin activity is worn to establish on the base, the spring sets up between ejector pin and base, the one end in fifth hole is provided with the breach, the base spiro union location is in the breach.
The invention has the beneficial effects that: overall structure is simple, and the cost is lower, can be convenient carry, install and wash, can be used for quick detecting lubricating grease to can improve the accuracy that detects.
Drawings
FIG. 1 is a structural view of embodiment 1 of the present invention;
FIG. 2 is an exploded view of embodiment 1 of the present invention;
FIG. 3 is a structural view of embodiment 2 of the present invention;
FIG. 4 is a partial sectional view 1 of example 2 of the present invention;
FIG. 5 is a partial sectional view 2 of example 2 of the present invention;
fig. 6 is a partial sectional view of embodiment 3 of the present invention.
Detailed Description
Example 1 of the grease conductivity measuring device of the present invention is shown in fig. 1-2: the grease storage box comprises a grease storage box 1, two side plates 2 and two conductive plates 3, wherein the grease storage box 1 is made of a Teflon material with good insulation property, a cavity 11 used for containing lubricating grease 4 is arranged at the top of the grease storage box 1, the size of the cavity 11 is 30mm multiplied by 20mm multiplied by 30mm, openings 12 are arranged on the front side and the rear side of the grease storage box 1 of the cavity 11, the two side plates 2 are arranged on the front side and the rear side of the grease storage box 1 and are used for being matched with the openings 12 to be opened and closed, the side plates 2 and the grease storage box 1 are connected in a detachable mode through connecting members 5, the two side plates 2 are made of the Teflon material with good insulation property, the main purpose of the grease storage box is that the lubricating grease 4 is sealed in the cavity 11, the top of the grease storage box 1 is also provided with two groups of slots 13 which are matched and guided to be plugged with the edges of the left side and the right side of the two conductive plates 3 respectively, and the two groups of slots 13 are communicated with the cavity 11, make in the current conducting plate 3 can insert cavity 11 along slot 13, 5cm in interval between two sets of slots 13, and every slot 13's width is 2mm, and the degree of depth is 30mm, current conducting plate 3 is made by the better copper of electric conductivity, and its thickness is 1.5mm, current conducting plate 3's upper end is connected with electrically conductive connecting portion 31, and electrically conductive connecting portion 31 adopts the wire, sets up in current conducting plate 3 the outside corresponding with curb plate 2, and two current conducting plate 3's wire is connected with impedance analyzer's positive negative pole cooperation respectively for exert the survey of electric field and resistance value.
As shown in above-mentioned specific dimension numerical value, the width of slot 13 is greater than the thickness of current conducting plate 3, can be convenient insert current conducting plate 3 in slot 13, both sides are provided with first hole 14 that is linked together with slot 13 respectively around the fat storage box 1, wear to be equipped with in first hole 14 and compress tightly the part 6 that compresses tightly the location at slot 13 one side inner wall with current conducting plate 3, this side inner wall and current conducting plate 3 of slot 13 are the level and smooth setting, stability when can improving the tight fit, can be with the interval that remains stable between two current conducting plates 3 through compressing tightly part 6, and can also form the location to current conducting plate 3, prevent that it from rocking, help reducing the interference, improve the accurate nature of test.
In embodiment 1, compress tightly part 6 and be the jackscrew, the jackscrew is spiro union cooperation with first hole 14, and the one end of jackscrew has the hexagonal groove, conveniently drives with the cooperation of hexagonal spanner, curb plate 2 corresponds the jackscrew position and is provided with the second hole 21 that supplies jackscrew one end to expose, conveniently drives the jackscrew and compresses tightly on current conducting plate 3, and the material of jackscrew is the teflon material.
The connecting component 5 is a positioning pin penetrating between the grease storage box 1 and the side plate 2, a third hole 22 for the positioning pin to penetrate is formed in the side plate 2, and fourth holes 15 which are in threaded connection with the positioning pin are formed in the front side and the rear side of the grease storage box 1.
The grease 4 is in the shape of paste and can be applied in the cavity 11 of the grease storage box 1, and the volume of the grease 4 to be applied is small, and is about 18cm3。
Above-mentioned curb plate 2, hold down part 6, connecting elements 5 are the teflon material, can reduce detection error, improve the accuracy.
The invention has the following steps:
1. coating lubricating grease: the grease is uniformly applied to the cavity 11 of the grease storage case 1 to ensure that there are no air bubbles in the grease, and if there are air bubbles, the grease is compacted to remove the air bubbles. During application, care should be taken that the cavity 11 is filled with grease and that the excess is scraped off with a scraper at the front, rear and top sides of the grease reservoir 1.
2. Installing a side plate: place two curb plates 2 respectively in the both sides of storing up fat box 1 to insert in proper order into third hole 22, fourth hole 15 with the locating pin and fix, can conveniently link together curb plate 2 and storage fat box 1 through the locating pin.
3. Inserting the conductive plate 3: two conductive plates 3 are slowly inserted into the slots 13 of the grease storage box 1, and leads are respectively connected to the positive and negative electrodes of the impedance analyzer.
4. Fixing the conductive plate 3: the jackscrew is sequentially inserted into the second hole 21 and the first hole 14, the jackscrew is screwed in by a hexagonal wrench, the conductive plate 3 is tightly jacked in the slot 13, the conductive plate 3 cannot shake, and the distance between the conductive plates 3 after being tightly jacked is determined to be L =1 cm.
5. And (3) carrying out measurement: the resistance of the grease in the apparatus was measured with an impedance analyzer and the resistance was determined to be R. And converting the resistivity into resistivity rho = RL/S and S =9 cm according to a resistivity conversion formula2。
6. Disassembling and cleaning: the jackscrew is loosened, the conductive plate 3 is pulled out of the grease storage box 1, the positioning pin is pulled out, the side plate 2 is separated from the grease storage box 1, and the decomposition of the whole device is completed. The decomposed module can be conveniently cleaned.
The grease conductivity measuring device of the present invention of example 2 differs from example 1 only in the relevant structure of the connecting member 5 and the pressing part 6, as shown in fig. 3 to 5:
in embodiment 2, the two connecting members 5 are respectively arranged at the left and right sides of the grease storage box 1 and the side plates 2, the connecting members 5 are U-shaped structures and respectively comprise a base 51 and two clamping connecting arms 52 respectively symmetrically arranged at the two ends of the base 51, the base 51 and the clamping connecting arms 52 are integrally formed, the left and right sides of the grease storage box 1 are provided with first notches 16 which are matched and embedded with the base 51 of the connecting member 5, the outer sides of the two side plates 2 are provided with second notches 23 which are matched and embedded with the clamping connecting arms 52 of the connecting member 5, matching surfaces 7 clamped between the two clamping connecting arms 52 of the connecting member 5 and the second notches 23 of the two side plates 2 are both obliquely arranged, and the matching surfaces 7 are provided with clamping positioning structures 8, so that the grease storage box 1 and the side plates 2 can be conveniently and tightly installed and fixed together by using the elastic deformation capability of the connecting member 5, compared with the connecting structure of the positioning pin, the connecting structure is more convenient and faster to install.
Compressing tightly 6 integrated into one piece makes compressing tightly 6 can form simultaneously to at the inboard of curb plate 2 based on curb plate 2 and the interconnect of storing up fat box 1 the location that compresses tightly of current conducting plate 3 can reduce the quantity of whole spare part, conveniently installs the test.
Example 3 of the grease conductivity measuring device of the present invention is a further modification of the pressing member 6 in example 2, as shown in fig. 6:
be provided with on curb plate 2 and supply to compress tightly the fifth hole 24 that part 6 wore to establish the location, compress tightly part 6 including base 61, ejector pin 62, spring 63, base 61 is the annular, and base 61 is including the hole, and the ejector pin 62 activity is worn to establish in the hole of base 61, spring 63 sets up between ejector pin 62 and base 61, the one end in fifth hole 24 is provided with breach 241, base 61 spiro union location is in breach 241.
Compress tightly the error that part 6 adopted foretell elastic expansion structure can reduce the precision, avoid between curb plate 2 and the storage fat box 1 laminating inseparable or compress tightly part 6 can't compress tightly the stable position in slot 13 inner wall department with current conducting plate 3, when making curb plate 2 and store up the combination of connecting between the fat box 1, it can form the reliable location that compresses tightly of current conducting plate 3 to compress tightly part 6, it is stable to guarantee to have between the current conducting plate 3, even interval, reduce rocking of current conducting plate 3, thereby improve the accuracy of testing result.
The above embodiment is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (7)
1. A lubricating grease conductivity measuring device is characterized in that: including storing up fat box, two curb plates, two current conducting plates, the top of storing up fat box is provided with the cavity that is used for putting lubricating grease, the cavity has the opening in the front and back both sides of storing up fat box, two curb plates install both sides around storing up fat box and be used for with the opening cooperation carries out the switching, and the connection that can dismantle is realized through connecting elements between curb plate and the storage fat box, the top of storing up fat box still is provided with two sets of slots of pegging graft with the left and right sides edge cooperation direction of two current conducting plates respectively, two sets of slots all with the cavity is linked together, makes in the slot can insert the cavity along the slot, the upper end of current conducting plate is connected with electrically conductive connecting portion.
2. The grease conductivity measuring device according to claim 1, characterized in that: the width of slot is greater than the conducting plate thickness, and the front and back both sides of storing up the fat box are provided with the first hole that is linked together with the slot respectively, wear to be equipped with in the first hole to compress tightly the part that compresses tightly that can compress tightly the conducting plate location at slot one side inner wall.
3. The grease conductivity measuring device according to claim 2, characterized in that: the pressing component is a jackscrew, the jackscrew is in threaded connection with the first hole, and a second hole for exposing one end of the jackscrew is formed in the position, corresponding to the jackscrew, of the side plate.
4. The grease conductivity measuring device according to claim 1, characterized in that: the connecting component is a positioning pin penetrating between the grease storage box and the side plate, a third hole for the positioning pin to penetrate is formed in the side plate, and fourth holes which are in threaded connection with the positioning pin are formed in the front side and the rear side of the grease storage box.
5. The grease conductivity measuring device according to claim 1, characterized in that: the connecting component is two, and sets up respectively in the left and right sides of storing up fat box and curb plate, the connecting component is U style of calligraphy structure, and it is in including the basal portion respectively and symmetry setting respectively two clamp connection arms at basal portion both ends, the left and right sides of storing up fat box are provided with the basal portion cooperation with connecting component and inlay the first breach of dress, and the outside of two curb plates is provided with the second breach that inlays the dress with connecting component's clamp connection arm cooperation, and the tight fitting surface of clamp all is the slope setting between two clamp connection arms of connecting component and the second breach of two curb plates, and be provided with joint location structure on the fitting surface.
6. The grease conductivity measuring device according to claim 2, characterized in that: the compressing component is fixedly arranged on the inner side of the side plate, and can simultaneously compress and position the conductive plate based on the mutual connection of the side plate and the grease storage box.
7. The grease conductivity measuring device according to claim 6, characterized in that: be provided with on the curb plate and supply the compressing part to wear to establish the fifth hole of location, compressing part is including base, ejector pin, spring, the base is the annular, and the ejector pin activity is worn to establish on the base, the spring sets up between ejector pin and base, the one end in fifth hole is provided with the breach, base spiro union location is in the breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197339.1A CN114113824B (en) | 2021-10-14 | 2021-10-14 | Grease conductivity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197339.1A CN114113824B (en) | 2021-10-14 | 2021-10-14 | Grease conductivity measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN114113824A true CN114113824A (en) | 2022-03-01 |
| CN114113824B CN114113824B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111197339.1A Active CN114113824B (en) | 2021-10-14 | 2021-10-14 | Grease conductivity measuring device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827673A (en) * | 2011-06-17 | 2012-12-19 | Nok克鲁勃株式会社 | Electrical conductivity lubricating grease composition |
| US20150014184A1 (en) * | 2013-07-10 | 2015-01-15 | Lawence Ralph Swonger | Producing lithium |
| WO2020178402A1 (en) * | 2019-03-05 | 2020-09-10 | Ntn-Snr Roulements | System for detection of a flow of fluid or paste-like product by a static transducer and associated circuit for lubricating with grease |
| CN114527165A (en) * | 2022-03-01 | 2022-05-24 | 青岛泰德汽车轴承股份有限公司 | Lubricating grease resistivity measuring device |
| CN217033735U (en) * | 2022-03-01 | 2022-07-22 | 青岛泰德汽车轴承股份有限公司 | Lubricating grease resistivity measuring device |
-
2021
- 2021-10-14 CN CN202111197339.1A patent/CN114113824B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827673A (en) * | 2011-06-17 | 2012-12-19 | Nok克鲁勃株式会社 | Electrical conductivity lubricating grease composition |
| US20150014184A1 (en) * | 2013-07-10 | 2015-01-15 | Lawence Ralph Swonger | Producing lithium |
| WO2020178402A1 (en) * | 2019-03-05 | 2020-09-10 | Ntn-Snr Roulements | System for detection of a flow of fluid or paste-like product by a static transducer and associated circuit for lubricating with grease |
| CN114527165A (en) * | 2022-03-01 | 2022-05-24 | 青岛泰德汽车轴承股份有限公司 | Lubricating grease resistivity measuring device |
| CN217033735U (en) * | 2022-03-01 | 2022-07-22 | 青岛泰德汽车轴承股份有限公司 | Lubricating grease resistivity measuring device |
Non-Patent Citations (2)
| Title |
|---|
| S.J. FERRITO 等: "Accelerated aging characteristics of lubricating greases used for separable insulated connector applications", 《1999 IEEE TRANSMISSION AND DISTRIBUTION CONFERENCE (CAT. NO. 99CH36333)》, pages 89 - 93 * |
| 王国刚 等: "离子液体在润滑脂中的导电性和摩擦学性能研究", 《润滑与密封》, vol. 41, no. 3, pages 118 - 122 * |
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| CN114113824B (en) | 2023-08-04 |
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