CN111982749A - Lubricating oil viscosity detection device - Google Patents
Lubricating oil viscosity detection device Download PDFInfo
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- CN111982749A CN111982749A CN202010772074.2A CN202010772074A CN111982749A CN 111982749 A CN111982749 A CN 111982749A CN 202010772074 A CN202010772074 A CN 202010772074A CN 111982749 A CN111982749 A CN 111982749A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
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Abstract
The invention discloses a lubricating oil viscosity detection device, comprising: the ultrasonic generator is provided with an accommodating groove at the top and a heating part inside; the cup body is sleeved in the outer shell, the cup body and the outer shell form an accommodating cavity, a bearing partition plate is arranged on the accommodating cavity, and a plurality of hollow accommodating columns are formed on the bearing partition plate; the bottom of the cover body is provided with a plurality of inserted rods, and the cover body is provided with air outlet holes; the detection piece comprises a stirring shaft, a motor, a plurality of pairs of stirring blades, a resistance sensor, a chip and a display screen, wherein two pairs of bulges are arranged on the stirring shaft, and through holes are formed in the bulges; the protection piece comprises a plurality of pairs of cover bodies which are respectively covered on a plurality of pairs of stirring blades, wherein four threaded rods are arranged on one side opposite to each pair of cover bodies, each pair of cover bodies are connected through four threaded cylinders, and a plurality of water inlet holes are formed in the cover bodies at intervals. The invention has the beneficial effects of reducing the interference of bubbles, temperature and impurities and improving the viscosity detection accuracy.
Description
Technical Field
The invention relates to the technical field of lubricating oil detection. More specifically, the present invention relates to a lubricating oil viscosity detection device.
Background
The lubricating oil is a liquid or semisolid lubricating agent used on various types of automobiles and mechanical equipment to reduce friction and protect machines and workpieces, and mainly plays roles in lubrication, cooling, rust prevention, cleaning, sealing, buffering and the like. In a machine-operating device, viscosity is the most important quality index of a lubricating oil. Viscosity is a measure of the internal friction of a fluid as it flows and is a measure of the ability of an oil to resist flow at a particular temperature. The viscosity is too high, so that the engine is difficult to start, the consumption of fuel oil is increased, and the power of the engine is reduced; if the viscosity is too low, the oil film supporting ability is reduced, so that a continuous lubricating layer cannot be maintained between friction surfaces, and the machine wear is increased. Therefore, during the operation of the machine, it is necessary to periodically detect the viscosity of the lubricating oil and determine whether the lubricating oil needs to be replaced. At present, the measurement method and the representation method of the viscosity are many. Commonly used are Rayleigh viscosity, Saybolt viscosity, En's viscosity, kinematic viscosity, and the like. The conversion between various viscosities can also be converted to approximate values by table lookup. Due to the complexity of fluid mechanics, viscosity characteristics of different fluids and different temperatures are greatly different, and particularly, lubricating oil used by a machine is doped with a lot of debris, so that the detection accuracy of the viscosity is influenced. In addition, due to the complexity of the detection device and the nature of the lubricating oil, the detection device is inconvenient to clean after detection, the time consumption is long, and the detection accuracy is affected if the lubricating oil is not cleaned. Therefore, it is necessary to produce a viscosity measuring device which is less likely to be disturbed by external factors and is easy to clean.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide a device for detecting viscosity of lubricating oil, which can reduce interference of bubbles, temperature, and impurities, improve the accuracy of viscosity detection, and facilitate cleaning.
To achieve these objects and other advantages in accordance with the present invention, there is provided a lubricating oil viscosity detecting apparatus including:
the ultrasonic generator is characterized in that the top of the ultrasonic generator is provided with at least one accommodating groove with a transparent side wall, an ultrasonic propagation medium is accommodated in the accommodating groove, a heating part is arranged in the ultrasonic generator, and the heating part heats the ultrasonic propagation medium in the accommodating groove;
the ultrasonic transmission device comprises an outer shell, a cup body is sleeved in the outer shell, a cylindrical annular accommodating cavity is formed by the outer wall of the cup body and the inner wall of the outer shell, an ultrasonic transmission medium is accommodated in the accommodating cavity, a bearing partition plate is arranged on the position, close to the top of the cup body, of the accommodating cavity, the bearing partition plate is sunken downwards at intervals to form a plurality of hollow accommodating columns, and observation windows are formed in the side walls of the same side face of the cup body and the outer shell;
the cover body is of a hollow structure, a plurality of insertion rods are arranged at the bottom of the cover body at intervals, when the insertion rods extend into the accommodating columns, the cover body covers the outer shell, and air outlet holes are formed in the cover body;
the detection piece comprises a stirring shaft arranged at the bottom of the cover body, a motor for driving the stirring shaft to rotate, a plurality of pairs of stirring blades arranged on the stirring shaft at intervals, a resistance sensor arranged on one stirring blade in each pair of stirring blades, a chip arranged in the cover body and electrically connected with the resistance sensor, and a display screen electrically connected with the chip, wherein two pairs of bulges are arranged at the positions, which are vertically symmetrical, of each pair of stirring blades on the stirring shaft, the bulges are horizontally provided with through holes, and the display screen is arranged on the cover body;
the protective piece comprises a plurality of pairs of cover bodies, the plurality of pairs of cover bodies are respectively covered on the plurality of pairs of stirring blades, one opposite side of each pair of cover bodies is provided with four threaded rods, the four threaded rods of one cover body of each pair of cover bodies penetrate through the through holes on the two pairs of bulges and are respectively connected with the four threaded rods of the other cover body through four threaded cylinders, a plurality of water inlet holes are formed in the cover bodies at intervals, and the cover bodies are not contacted with the stirring blades;
when the bottom of the inserted rod abuts against the part of the receiving partition plate, which is located outside the accommodating column, and the cover body covers the stirring blade, the cover body is higher than the top of the outer shell.
Preferably, the ultrasonic propagation medium in the accommodating groove and the ultrasonic propagation medium in the accommodating cavity are both water.
Preferably, the cup body and the outer shell are both made of glass fiber reinforced plastic.
Preferably, a plurality of lugs are arranged on the bearing partition plate and positioned outside the accommodating columns, the upper surfaces of the lugs are recessed downwards to form a plurality of grooves, and the grooves correspond to the inserting rods one by one;
when the bottom of the inserted bar is abutted against the groove and the cover body covers the stirring blade, the cover body is higher than the top of the outer shell.
Preferably, the cover is shaped like an ellipsoid.
Preferably, the length ratio of the diameter of the through hole to the diameter of the threaded rod is 1.25 to 1.5: 1.
Preferably, the threaded rod is sleeved with a limiting ring, the outer diameter of the limiting ring is larger than the inner diameter of the through hole, and when the limiting ring abuts against the protrusion, the bottom of the cover body is not in contact with the tail end of the stirring blade.
Preferably, when the outer shell is placed in the accommodating groove, the top surface of the ultrasonic propagation medium in the accommodating groove is higher than that in the accommodating cavity;
the stirring blade at the top end is lower than the top surface of the ultrasonic propagation medium in the containing cavity.
Preferably, the number of the stirring blades is 3 pairs, and the 3 pairs of stirring blades are arranged at equal intervals.
Preferably, the cover body is provided with lugs at two opposite sides.
The invention at least comprises the following beneficial effects:
first, when pouring lubricating oil into in the cup, form the bubble easily, and the existence of bubble can seriously influence the viscosity of lubricating oil, consequently, adopt ultrasonic generator to carry out ultrasonic treatment to the lubricating oil in the cup, can make the bubble gather together, the grow finally rises to the surface, reaches the purpose of getting rid of the bubble to avoid the influence of bubble to viscosity, further improved the detection accuracy.
Secondly, water is usually adopted as an ultrasonic propagation medium, and the water has another use, and the specific heat capacity is large, namely when the water temperature rises for one degree, the required heat is large, so the adopted water can more easily keep constant temperature, the constant temperature effect of the lubricating oil is better, the influence of the temperature on the viscosity is reduced, and the detection accuracy is improved.
Thirdly, the plurality of viscosity data are adopted for representation, because a large amount of debris exists in the used lubricating oil, and the debris is mainly deposited at the lower position, the viscosity data of the same lubricating oil sample at different heights are different, and the viscosity state of the used lubricating oil can be reflected more truly by adopting a plurality of groups of viscosity data according to the heights.
Fourth, after the detection is accomplished, pour lubricating oil, and with inserted bar bottom butt in accept the baffle and be located on holding the position outside the post, make the stirring leaf expose, put the installation cover body of just, will cover the body and fix the (mixing) shaft on through a screw thread section of thick bamboo, water is packed into in the cup, insert the inserted bar again and hold in the post, starter motor rotates towards opposite direction, make the (mixing) shaft rotate with predetermined speed, because the guard action of the cover body, and the rotation direction is opposite when detecting, the two combines with the protection resistance sensor, it can improve to predetermine speed, can not damage resistance sensor, thereby further accelerate the cleaning speed, the cleaner can also be added in the aquatic, can improve the cleaning performance.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic side view of the detecting device according to one embodiment of the present invention;
FIG. 2 is a schematic side view of the detecting device according to one embodiment of the present invention;
FIG. 3 is a top view of the outer shell and cup of one embodiment of the present invention;
FIG. 4 is a top view of the cover according to one embodiment of the present invention;
fig. 5 is a detail view of the housing of one of the embodiments of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the present invention provides a lubricating oil viscosity detection device, including:
the ultrasonic generator 1 is provided with at least one accommodating groove 2 with transparent side walls at the top, parts placed in the accommodating groove 2 can be observed conveniently, an ultrasonic propagation medium is accommodated in the accommodating groove 2, a heating part is arranged in the ultrasonic generator 1 and is used for heating the ultrasonic propagation medium in the accommodating groove 2, the temperature of the ultrasonic propagation medium is adjusted, and finally the temperature of lubricating oil to be detected in the cup body 4 is adjusted, so that the lubricating oil reaches a preset detection temperature and is kept at the temperature, the influence of the interference factor of the temperature on viscosity detection is reduced, and the detection accuracy is improved; when pouring lubricating oil into cup 4 in, form the bubble easily, and the existence of bubble can seriously influence the viscosity of lubricating oil, consequently, adopt ultrasonic generator 1 to carry out ultrasonic treatment to the lubricating oil in the cup 4, can make the bubble gather together, the grow finally rises to the surface, reaches the purpose of getting rid of the bubble to avoid the influence of bubble to viscosity, further improved the detection accuracy.
The shell body 3, its inside cover is equipped with cup 4, 4 outer walls of cup and 3 inner walls of shell body form a cylinder annular and hold chamber 5, it has the supersound propagation medium to hold in the chamber 5, and the adoption water is as the supersound propagation medium usually, and water still has another use, and its specific heat capacity is big, and when the temperature rose once promptly, required heat is big, so the adoption water keeps invariable temperature more easily to make the constant temperature effect of lubricating oil better, it is close to hold chamber 5 be equipped with on the position at 4 tops of cup and accept baffle 51, it forms a plurality of hollow columns 52 that hold to accept the interval undercut on the baffle 51, can make lid 6 be connected more fastening with shell body 3, with the vibration that causes when reducing because motor 72 drive (mixing) shaft 71 rotates, thereby reduce external disturbance factor, improve viscosity and detect the accuracy. An observation window is arranged on the side wall of the same side surface of the cup body 4 and the outer shell 3; the state of the lubricating oil in the cup body 4, such as the floating and sinking of impurity fragments, can be observed conveniently.
The cover body 6 is of a hollow structure, a plurality of insertion rods 61 are arranged at the bottom of the cover body 6 at intervals, when the insertion rods 61 extend into the accommodating columns 52, the cover body 6 covers the outer shell 3, and air outlet holes 62 are formed in the cover body 6; can make lid 6 be connected more firmly with shell body 3 to reduce because the motor 72 drives the vibration that causes when (mixing) shaft 71 rotates, thereby reduce external disturbance factor, improve viscosity and detect the accuracy. The detection piece 7 comprises a stirring shaft 71 arranged at the bottom of the cover body 6, a motor 72 for driving the stirring shaft 71 to rotate, a plurality of pairs of stirring blades 73 arranged on the stirring shaft 71 at intervals, a resistance sensor arranged on one stirring blade 73 in each pair of stirring blades 73, a chip arranged in the cover body 6 and electrically connected with the resistance sensor, and a display screen electrically connected with the chip, wherein two pairs of bulges 74 are arranged on the stirring shaft 71 at the positions where each pair of stirring blades 73 are vertically symmetrical, a through hole is horizontally arranged on each bulge 74, and the display screen is arranged on the cover body 6; after bubbles in the cup body 4 are removed and the temperature reaches a preset temperature, the motor 72 is started to enable the stirring shaft 71 to rotate at a preset speed, each resistance sensor can transmit a detected signal and display the signal on the display screen, stable viscosity data corresponding to each resistance sensor are read, namely the viscosity data of the lubricating oil, and a plurality of viscosity data are adopted for representation.
The protective piece 8 comprises a plurality of pairs of cover bodies 81, the plurality of pairs of cover bodies 81 are respectively covered on the plurality of pairs of stirring blades 73, one opposite side of each pair of cover bodies 81 is provided with four threaded rods 82, each threaded rod 82 is a rod body with threads on the outer side wall, the four threaded rods 82 of one cover body 81 of each pair of cover bodies 81 penetrate through holes on the two pairs of bulges 74 and are respectively connected with the four threaded rods 82 of the other cover body 81 through four threaded cylinders 83, each threaded cylinder 83 is a cylinder body with threads on the inner side wall, two ends of each threaded cylinder 83 are respectively in threaded connection with one threaded rod 82 of the pair of cover bodies 81 to realize the detachable connection effect, the cover bodies 81 are provided with a plurality of water inlet holes 84 at intervals;
when the bottom of the insertion rod 61 abuts against the receiving partition plate 51 at a position outside the receiving column 52 and the cover 81 covers the stirring blade 73, the cover 81 is higher than the top of the outer shell 3.
After the detection is finished, pouring out lubricating oil, abutting the bottom of the insert rod 61 against the position, located outside the accommodating column 52, of the accommodating partition plate 51, exposing the stirring blade 73, installing the cover body 81 conveniently, fixing the cover body 81 on the stirring shaft 71 through the threaded cylinder 83, filling water into the cup body 4, inserting the insert rod 61 into the accommodating column 52 again, rotating the starting motor 72 in the opposite direction, rotating the stirring shaft 71 at a preset speed, and combining the cover body 81 and the stirring shaft to protect the resistance sensor due to the protection effect of the cover body 81 and the opposite rotation direction to the detection.
In the above technical scheme, at first add supersound propagation medium in holding tank 2, for example water, then add the lubricating oil that awaits measuring in cup 4, the lubricating oil liquid level that awaits measuring is higher than the stirring leaf 73 that is located the top, covers lid 6, places shell body 3 in holding tank 2, starts ultrasonic generator 1 and heating block, waits that the lubricating oil in the cup 4 does not have the bubble to when the temperature reaches preset temperature, for example 40 ℃, 60 ℃ etc., the heating block stops to heat, starts motor 72, reads the data when numerical value is stable, is the viscosity data group of the lubricating oil that awaits measuring promptly. After the detection, the cover body 6 is opened, the lubricating oil is poured out, water is added, the stirring blade 73 positioned at the uppermost end is covered by the water surface, and meanwhile, a cleaning agent can be added into the water to improve the cleaning effect. Install protection 8 on stirring leaf 73, the cover 81 promptly, install the back and cover again, the starter motor 72 reversal, can show the slew velocity that promotes motor 72 through the protection of cover 81 and reversal to improve and wash efficiency. In the technical scheme, the detection influence of bubbles, temperature and impurities on the viscosity can be reduced, so that the detection accuracy of the lubricating oil is obviously improved. And the cleaning is convenient and efficient.
In another technical solution, the ultrasound propagation medium in the holding tank 2 and in the holding cavity 5 is water. The specific heat capacity of water is large, namely when the water temperature rises once, the required heat is large, so that the constant temperature can be more easily maintained by adopting water, and the constant temperature effect of the lubricating oil is better.
In another technical scheme, the cup body 4 and the outer shell 3 are both made of glass fiber reinforced plastic. It is advantageous for the user to observe the state of the internal lubricating oil, such as the floating and sinking of debris impurities.
In another technical scheme, a plurality of protrusions 53 are arranged on the receiving partition plate 51 and located outside the accommodating columns 52, the upper surfaces of the protrusions 53 are recessed downwards to form a plurality of grooves 54, and the grooves 54 correspond to the inserting rods one by one; the insert rod 61 is positioned in the groove 54, and plays a role in stabilizing the cover body 6, and the cover body 81 is convenient to mount and dismount.
When the bottom of the insert rod 61 abuts against the groove 54 and the cover 81 covers the stirring blade 73, the cover 81 is higher than the top of the outer shell 3. The stirring blades 73 are exposed out of the outer shell 3, and the cover 81 is convenient to mount and dismount.
In another embodiment, the cover 81 is shaped like an ellipsoid. The cover 81 can be fed with water from various directions, thereby improving the cleaning ability of the stirring blades 73.
In another technical scheme, the length ratio of the diameter of the through hole to the diameter of the threaded rod 82 is 1.25-1.5: 1. The cover 81 can move up and down within a certain range, so that the relative movement direction of the inside of water in the rotating process is improved, different cleaning directions are increased, and the cleaning effect is improved.
In another technical scheme, a limiting ring 85 is sleeved on the threaded rod 82, the outer diameter of the limiting ring 85 is larger than the inner diameter of the through hole, and when the limiting ring 85 abuts against the protrusion 74, the bottom of the cover body 81 is not in contact with the tail end of the stirring blade 73. The cover body 81 can move left and right within a certain range, so that the relative movement direction of the inside of water in the rotating process is improved, different cleaning directions are increased, and the cleaning effect is improved.
In another technical solution, when the outer housing 3 is placed in the holding tank 2, the top surface of the ultrasound propagation medium in the holding tank 2 is higher than the top surface of the ultrasound propagation medium in the holding cavity 5, and the stirring blade 73 at the top end is lower than the top surface of the ultrasound propagation medium in the holding cavity 5. The bubble speed is increased, the temperature stability of the lubricating oil is improved, and therefore the accuracy of viscosity detection is improved.
In another technical scheme, the number of the stirring blades 73 is 3, and the 3 pairs of stirring blades 73 are arranged at equal intervals. The viscosity state of the lubricating oil can be comprehensively reflected by 3 pairs.
In another technical solution, two opposite sides of the cover 6 are provided with lugs 63. The user can take down the cover body 6 and cover the cover body 6 conveniently.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A lubricating oil viscosity detection device is characterized by comprising:
the ultrasonic generator is characterized in that the top of the ultrasonic generator is provided with at least one accommodating groove with a transparent side wall, an ultrasonic propagation medium is accommodated in the accommodating groove, a heating part is arranged in the ultrasonic generator, and the heating part heats the ultrasonic propagation medium in the accommodating groove;
the ultrasonic transmission device comprises an outer shell, a cup body is sleeved in the outer shell, a cylindrical annular accommodating cavity is formed by the outer wall of the cup body and the inner wall of the outer shell, an ultrasonic transmission medium is accommodated in the accommodating cavity, a bearing partition plate is arranged on the position, close to the top of the cup body, of the accommodating cavity, the bearing partition plate is sunken downwards at intervals to form a plurality of hollow accommodating columns, and observation windows are formed in the side walls of the same side face of the cup body and the outer shell;
the cover body is of a hollow structure, a plurality of insertion rods are arranged at the bottom of the cover body at intervals, when the insertion rods extend into the accommodating columns, the cover body covers the outer shell, and air outlet holes are formed in the cover body;
the detection piece comprises a stirring shaft arranged at the bottom of the cover body, a motor for driving the stirring shaft to rotate, a plurality of pairs of stirring blades arranged on the stirring shaft at intervals, a resistance sensor arranged on one stirring blade in each pair of stirring blades, a chip arranged in the cover body and electrically connected with the resistance sensor, and a display screen electrically connected with the chip, wherein two pairs of bulges are arranged at the positions, which are vertically symmetrical, of each pair of stirring blades on the stirring shaft, the bulges are horizontally provided with through holes, and the display screen is arranged on the cover body;
the protective piece comprises a plurality of pairs of cover bodies, the plurality of pairs of cover bodies are respectively covered on the plurality of pairs of stirring blades, one opposite side of each pair of cover bodies is provided with four threaded rods, the four threaded rods of one cover body of each pair of cover bodies penetrate through the through holes on the two pairs of bulges and are respectively connected with the four threaded rods of the other cover body through four threaded cylinders, a plurality of water inlet holes are formed in the cover bodies at intervals, and the cover bodies are not contacted with the stirring blades;
when the bottom of the inserted rod abuts against the part of the receiving partition plate, which is located outside the accommodating column, and the cover body covers the stirring blade, the cover body is higher than the top of the outer shell.
2. The lubricating oil viscosity detecting device according to claim 1, wherein the ultrasonic propagation medium in the housing groove and in the housing chamber is water.
3. The apparatus for detecting viscosity of lubricating oil according to claim 1, wherein the cup body and the outer casing are made of glass fiber reinforced plastic.
4. The device for detecting viscosity of lubricating oil according to claim 1, wherein a plurality of projections are provided on the receiving partition plate at positions other than the receiving posts, the upper surfaces of the projections are recessed downward to form a plurality of grooves, and the plurality of grooves correspond to the plurality of plug-in rods one to one;
when the bottom of the inserted bar is abutted against the groove and the cover body covers the stirring blade, the cover body is higher than the top of the outer shell.
5. The apparatus for detecting viscosity of lubricating oil according to claim 1, wherein the cover body has an ellipsoidal-like shape.
6. The lubricating oil viscosity detection device according to claim 1, wherein the length ratio of the diameter of the through hole to the diameter of the threaded rod is 1.25 to 1.5: 1.
7. The device for detecting viscosity of lubricating oil according to claim 1, wherein a stopper ring is fitted over the threaded rod, the stopper ring having an outer diameter larger than an inner diameter of the through hole, and when the stopper ring abuts against the projection, the bottom of the housing does not contact the end of the stirring blade.
8. The lubricating oil viscosity detecting device according to claim 1, wherein when the outer housing is placed in the housing groove, the top surface of the ultrasonic propagation medium in the housing groove is higher than that in the housing cavity;
the stirring blade at the top end is lower than the top surface of the ultrasonic propagation medium in the containing cavity.
9. The apparatus for detecting viscosity of lubricating oil according to claim 1, wherein the number of the stirring vanes is 3 pairs, and the 3 pairs of the stirring vanes are arranged at equal intervals.
10. The apparatus for detecting viscosity of lubricating oil according to claim 1, wherein the cover body is provided with lugs on opposite sides thereof.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772074.2A CN111982749B (en) | 2020-08-04 | 2020-08-04 | Lubricating oil viscosity detection device |
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| CN202010772074.2A CN111982749B (en) | 2020-08-04 | 2020-08-04 | Lubricating oil viscosity detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114184520A (en) * | 2022-02-16 | 2022-03-15 | 潍坊尚捷水泥有限公司 | Thermal insulation mortar consistency detection system and use method thereof |
| CN115326639A (en) * | 2022-10-11 | 2022-11-11 | 江苏久诺新材科技股份有限公司 | Paint viscosity detection equipment |
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| CN209640144U (en) * | 2019-01-24 | 2019-11-15 | 山东小松油品有限公司 | A kind of lubricating oil viscosity detection device |
| CN209979466U (en) * | 2019-02-01 | 2020-01-21 | 唐山爱特爱油液检测有限公司 | Oil anti-emulsification performance tester |
| CN209828874U (en) * | 2019-03-02 | 2019-12-24 | 绍兴九洲科技有限公司 | Be applied to agitator of preparation silicone oil |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184520A (en) * | 2022-02-16 | 2022-03-15 | 潍坊尚捷水泥有限公司 | Thermal insulation mortar consistency detection system and use method thereof |
| CN114184520B (en) * | 2022-02-16 | 2022-05-20 | 潍坊尚捷水泥有限公司 | Thermal insulation mortar consistency detection system and use method thereof |
| CN115326639A (en) * | 2022-10-11 | 2022-11-11 | 江苏久诺新材科技股份有限公司 | Paint viscosity detection equipment |
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