CN211576873U - Lubricating oil kinematic viscosity tester - Google Patents
Lubricating oil kinematic viscosity tester Download PDFInfo
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- CN211576873U CN211576873U CN202020116221.6U CN202020116221U CN211576873U CN 211576873 U CN211576873 U CN 211576873U CN 202020116221 U CN202020116221 U CN 202020116221U CN 211576873 U CN211576873 U CN 211576873U
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- host computer
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- lubricating oil
- viscometer
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Abstract
The utility model relates to a lubricating oil kinematic viscosity apparatus, it includes the instrument host computer, establish the operation display panel at instrument host computer leading flank, install the constant temperature bathtub at instrument host computer top surface, install the glass jar at instrument host computer top surface and install the lid at constant temperature bathtub top, still include a plurality of measuring orifices of establishing on the lid, a plurality of fixed (holding) chucks of installing on the lid, the vertical capillary viscosimeter of installing on fixed (holding) chuck downwards, install agitating unit on the lid between two parties, establish the kuppe in the lid bottom surface, a plurality of cardboard of establishing on the kuppe and can dismantle the electrothermal tube of being connected with the lid. The utility model provides an among the prior art because of stirring range too big or the undersize leads to lubricating oil viscosity measurement result to produce the problem of deviation, it has the stirring that can effectively eliminate the heating liquid body and leads to the testing result to produce the effect of deviation.
Description
Technical Field
The utility model belongs to the technical field of the technique of measuring instrument and specifically relates to a lubricating oil kinematic viscosity apparatus is related to.
Background
At present, kinematic viscosity is one of the important indexes of lubricating oil, and if the viscosity is too high, the power of the machine is reduced, and if the viscosity is too low, the wear of the machine is increased. Therefore, in the production process of the lubricating oil, the kinematic viscosity of the lubricating oil needs to be measured by a lubricating oil kinematic viscosity measuring instrument.
The existing lubricating oil kinematic viscosity measuring instrument mainly comprises a host machine, a constant temperature bathtub arranged on the host machine, a control panel arranged on the host machine, a stirring device arranged in the constant temperature bathtub, an electric heating tube arranged in the constant temperature bathtub and a temperature sensor. The electric heating tube and the temperature sensor are arranged at one side in the water bath tub, the water bath tub is covered with a fixing chuck for fixing the capillary tube, a stainless steel spring chuck is arranged below a hole of the fixing chuck, and a stainless steel spring clamping piece arranged below the fixing chuck fixes the capillary tube. When the viscosity of the lubricating oil is measured, the heated liquid is added into a constant temperature bathtub, the stirring device is used for stirring the heated liquid, when the temperature of the heated liquid is consistent with the temperature in the capillary tube, the time is started by using a stopwatch, and the kinematic viscosity of the lubricating oil is calculated by measuring the time for the lubricating oil in the capillary tube to fall for a certain distance.
If the stirring amplitude of the lubricating oil kinematic viscosity measuring instrument in the prior art is too small, the purpose of uniformly heating liquid cannot be achieved, and measuring result deviation is caused. If the stirring amplitude is too large, the impact on the capillary viscometer in the heating liquid can be caused, and the capillary viscometer shakes to influence the deviation of the test result. Therefore, the lubricating oil kinematic viscosity determinator in the prior art has the problem that a capillary viscometer is easily influenced by heating liquid to cause deviation of a measurement result.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lubricating oil kinematic viscosity apparatus, have the effect that can effectively eliminate the stirring of the heating fluid body and lead to the testing result to produce the deviation.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a kind of lubricating oil kinematic viscosity apparatus, including the host computer of the instrument, set up in the operation display panel of the front side of host computer of the instrument, install the thermostatical bathtub on the top surface of host computer of the instrument, install the glass jar on the top surface of host computer of the instrument and install the body of the cover on the top of thermostatical bathtub, also include a plurality of measuring holes set up on the body of the cover, a plurality of fixed chucks installed on body of the cover, mount the capillary viscometer on fixed chuck downward vertically, install the agitating unit on body of the cover centrally, set up in the dome of the bottom surface of the body of the cover, a plurality of snap-gauge boards set up;
the inner wall of the glass jar, the outer wall of the constant temperature bathtub and the bottom surface of the cover body enclose a closed heat preservation cavity;
the bottom of the capillary viscometer is inserted between two adjacent clamping plates;
the stirring device comprises a driving motor arranged on the top surface of the cover body, a rotating shaft detachably connected with the driving motor and a stirring rod arranged on the rotating shaft;
the air guide sleeve is a conical cover body with a narrow upper part and a wide lower part, and air guide holes are uniformly distributed on the air guide sleeve;
the rotating shaft, the electric heating pipe, the flow guide cover, the capillary viscometer and the constant temperature bathtub are sequentially arranged in the glass cylinder from inside to outside.
Through adopting the technical scheme, the utility model discloses carry out the water conservancy diversion to the heating fluid body with the kuppe of the wide cone type cover body under the upper narrow, the puddler stirs the heating fluid body under the driving action of motor, makes its heating stirring process can rapid mixing misce bene by the puddler in letting the constant temperature bathtub, has avoided the heating fluid body misce bene, causes the testing result inaccurate. And avoid stirring in-process capillary viscometer to be driven by the heating fluid, cause capillary viscometer to rock and cause the measuring result inaccurate in measurement process, still carry on spacingly to capillary viscometer's bottom with the cardboard on the kuppe simultaneously for capillary viscometer is more accurate, is difficult for producing the deviation.
The present invention may be further configured in a preferred embodiment as: and the fixed chuck is provided with a limiting clamp.
Through adopting above-mentioned technical scheme, the setting up of spacing clamp makes the fixed chuck further consolidate the installation of capillary viscosity, makes the installation of capillary viscometer more stable. After the capillary viscometer is clamped by the limiting clamp, the capillary viscometer is prevented from shaking to influence the measurement result.
The present invention may be further configured in a preferred embodiment as: the rotating shaft is provided with spiral blades.
Through adopting above-mentioned technical scheme, spiral leaf and axis of rotation form the auger structure, and under the drive of spiral leaf, the liquid in the bottom rises sooner, and it is faster to make the heating fluid body reach the speed of misce bene, and is more convenient and fast to the kinematic viscosity survey of lubricating oil.
The present invention may be further configured in a preferred embodiment as: and the spiral blade is provided with a liquid pushing plate.
By adopting the technical scheme, the spiral blade is provided with the liquid pushing plate, the liquid pushing plate can stir the heating liquid around the rotating shaft along with the rotation of the spiral blade and the rotating shaft, so that the heating liquid can quickly flow out of the flow guide holes on the flow guide cover and is mixed with the rest heating liquid. The mixing speed of the heated liquid is made faster and therefore the measurement results are less affected by the temperature.
The present invention may be further configured in a preferred embodiment as: and a plurality of stirring blades are arranged on the stirring rod.
Through adopting above-mentioned technical scheme, stirring vane's setting for the puddler stirs more fully when the stirring liquid of bottom. And further, the mixing of the heated liquid is accelerated, so that the influence of the temperature of the heated liquid on the measurement result in the later period is smaller, and the heating time required by the measurement is shorter.
The present invention may be further configured in a preferred embodiment as: the stirring rod is a fork-shaped stirring rod.
Through adopting above-mentioned technical scheme, the fork type puddler makes the utility model discloses a puddler does not confine to the one deck stirring height in the heating liquid, but can stir the heating liquid of co-altitude not, and stirring effect is better.
The present invention may be further configured in a preferred embodiment as: the bottom end of the air guide sleeve is provided with a horn-shaped cover body,
the diameter of the bottom end of the horn-shaped cover body is larger than the length of the stirring rod, and the diameter of the top end of the horn-shaped cover body is smaller than the length of the horn-shaped cover body.
Through adopting above-mentioned technical scheme, the tubaeform cover body for heating liquid can be under the drainage of the tubaeform cover body, uses the puddler as the center, along the diffusion of the edges of the tubaeform cover body to constant temperature bathtub, and the heating mixes the effect and changes, and liquid rate of heating is faster.
The present invention may be further configured in a preferred embodiment as: and a secondary flow guide hole is formed in the horn-shaped cover body.
Through adopting above-mentioned technical scheme, secondary water conservancy diversion hole is seted up on the tubaeform cover body, is convenient for the heating liquid from secondary water conservancy diversion hole from the bottom up removal to under the effect of stirring, make its heating liquid intensive mixing, the heating liquid mixes the effect better.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses a kuppe is the toper type, and has seted up the water conservancy diversion hole on the kuppe, makes its heating quicker, and the kuppe avoids the range of stirring too big and causes the capillary viscometer to take place to rock, and then influences the kinematic viscosity survey production error that measuring result made lubricating oil. The clamping plate is arranged on the air guide sleeve, so that the bottom of the capillary viscometer can be limited and fixed, and the capillary viscometer is further prevented from being influenced by stirring of the heating pressure body, so that the measurement result is prevented from generating deviation;
2. the puddler is fork type puddler for the puddler can carry out the not stirring of co-altitude to the heating fluid in the constant temperature bathtub, makes the heating fluid mixture more even.
3. The bottom of kuppe is equipped with the tubaeform cover body, has still set up secondary water conservancy diversion hole on the tubaeform cover body for the heating fluid body is after the bottom stirring, can directly follow the tubaeform cover body and water conservancy diversion hole from the bottom toward peripheral diffusion, and the mixed effect of heating fluid body is changed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Reference numerals: 11. the device comprises an instrument main machine, 12, an operation display board, 13, a constant temperature bathtub, 14, a glass jar, 15, a cover body, 21, a measuring hole, 31, a fixed chuck, 32, a capillary viscometer, 41, a stirring device, 51, a flow guide cover, 52, a clamping plate, 61, an electric heating tube, 71, a heat preservation cavity, 411, a driving motor, 421, a rotating shaft, 431, a stirring rod, 511, a flow guide hole, 311, a limiting clamp, 422, a spiral blade, 423, a liquid pushing plate, 432, a stirring blade, 512, a horn-shaped cover body, 513 and a secondary flow guide hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the present invention discloses a kinematic viscosity measuring instrument for lubricating oil, which mainly comprises an instrument main unit 11, a constant temperature bathtub 13, a glass jar 14, a cover body 15, a measuring hole 21, a fixed chuck 31, a capillary viscometer 32, a stirring device 41, a draft shield 51 and an electric heating tube 61. The constant temperature bathtub 13 is installed on the top surface of the instrument main unit 11, the glass jar 14 is installed on the top surface of the instrument main unit 11, the cover body 15 is installed on the top of the constant temperature bathtub 13, the plurality of measuring holes 21 are opened on the top cover 15, the fixing chuck 31 passes through the measuring holes 21 and is installed on the cover body 15, the capillary viscometer 32 is vertically installed on the fixing chuck 31 downwards, the stirring device 41 is installed on the cover body 15 in the middle, the air guide cover 51 is arranged on the bottom surface of the cover body 15, and the electric heating tube 61 is detachably connected with the cover body 15.
Referring to fig. 1, the main body 11 is a box structure in which a PID intelligent instrument having a microprocessor controls temperature and digitally displays temperature, and a refraction type light is provided in the center of the top surface of the main body 11 for illumination during measurement. The control display panel 12 is provided on the front side of the instrument main body 11.
Referring to fig. 1 and 2, the constant temperature bath 13 is made of a single layer of transparent borosilicate glass, the constant temperature bath 13 is cylindrical, and the center of the constant temperature bath 13 coincides with the center of the top surface of the equipment main body 11. The constant temperature bathtub 13 is vertically installed on the top surface of the instrument main unit 11, and the connection mode is that the constant temperature bathtub is clamped by a rubber clamping ring and can be detached.
Referring to fig. 1 and 2, the glass tub 14 is cylindrical, and the bathtub 13 is located in the glass tub 14. The axis of the glass cylinder 14 coincides with the axis of the bathtub 13. The glass cylinder 14 is vertically and fixedly installed on the top surface of the instrument main unit 11 and detachably connected with a rubber snap ring on the instrument main unit 11.
Referring to fig. 1 and 2, the cover 15 is a circular plate, and the cover 15 is mounted on the top end of the constant temperature bath 13. The inner wall of the glass jar 14, the outer wall of the thermostatic bath 13 and the bottom surface of the cover 15 enclose a closed thermal insulation cavity 71. The cover body 15 is provided with a plurality of measuring holes 21, and the diameter of the measuring holes 21 is smaller than half of the diameter of the cover body 15. The fixing chuck 31 is mounted on the cover 15 through the measuring hole 21, and the fixing chuck 31 is insertedly mounted on the cover 15. The fixing chuck 31 further includes a through hole opened on the fixing chuck 31 and a limit clip 311 provided on the fixing chuck 31 for limiting the capillary viscometer 32. The capillary viscometer 32 is passed through the through hole of the fixing chuck 31 and vertically mounted downward on the fixing chuck 31. The top of the capillary viscometer 32 is detachably connected to the limit clip 311.
Referring to fig. 1 and 2, the agitating device 41 includes a driving motor 411, a rotating shaft 421, and an agitating bar 431. The driving motor 411 is a high-speed stirring motor, and is mounted on the top of the cover 15 by bolts. The output shaft of the driving motor is connected to the rotation shaft 431 by a key connection. The rotating shaft 421 is further provided with a spiral blade 422, the spiral blade 422 is welded on the rotating shaft 421, and an auger structure is formed between the spiral blade 422 and the rotating shaft 421. The spiral blade 422 is also provided with a plurality of liquid pushing plates 423, and the liquid pushing plates 423 are welded with the spiral blade. The agitating bar 431 is welded to the bottom end of the rotating shaft 421. The stirring rod 431 is a fork-shaped stirring rod, a plurality of stirring blades 432 are arranged on the stirring rod 431, and the stirring blades 432 and the stirring rod are connected by welding.
Referring to fig. 2 and 3, the air guide sleeve 51 is a tapered cover body with a narrow top and a wide bottom, and the air guide sleeve 51 is fixedly connected to the bottom surface of the cover body 15 by bolts. The diversion holes 511 are uniformly distributed on the diversion cover 51, and the diversion holes 511 are mainly distributed on the upper half part of the diversion cover 511. The pod 51 also includes a catch plate 52 and a flared shroud 512. The plurality of clamping plates 52 are arranged on the outer wall of the air guide sleeve 51, the connecting mode of the clamping plates 52 and the air guide sleeve 51 is welding, and the bottom of the capillary viscometer 32 is inserted between two adjacent clamping plates 52 for limiting. The horn-shaped cover body 512 is arranged at the bottom end of the air guide sleeve 51, and the horn-shaped cover body 512 is connected with the air guide sleeve 51 in a welding mode. The diameter of the bottom end of the horn-shaped cover 512 is larger than the length of the stirring rod 431, and the diameter of the top end of the horn-shaped cover 512 is smaller than the length of the stirring rod 431. The trumpet-shaped cover body 512 is further provided with a flow guide hole 513, and the flow guide hole 513 is arranged at the edge of the trumpet-shaped cover body 512.
Referring to fig. 2 and 3, the electric heating tube 61 is made of a heating wire, and the electric heating tube 61 is detachably connected to the cover 15. And the rotating shaft 421, the electric heating tube 61, the air guide sleeve 51, the capillary viscometer 32 and the constant temperature bathtub 13 are arranged in the glass tank 14 in this order from the inside to the outside.
The implementation principle of the embodiment is as follows:
when operating personnel used the utility model discloses when carrying out the kinematic viscosity survey of lubricating oil, at first operating personnel need add the heating fluid body in with constant temperature bathtub 13, add the lubricating oil that awaits measuring in the capillary viscometer 32 again. After the capillary viscometer 32 is mounted on the fixing chuck 31, the bottom of the capillary viscometer 32 is inserted between two adjacent chuck plates 32, and the capillary viscometer 32 is fixed by a stopper 311 on the fixing chuck 31.
When all the preparation works are ready, the operator first turns on the main unit 11 and then sets the parameters on the operation display panel 12, typically 20 ℃, 40 ℃, 60 ℃ and 80 ℃. Then, the heating of the heated liquid in the constant temperature bath 13 is started, the stirring is performed by the stirring device 41 during the heating, and the measurement can be started when the temperature reaches the set temperature. In the measurement, a stopwatch is used, the time taken for the page of the lubricating oil to descend from the mark line a to the mark line b of the capillary viscometer is measured, and finally the kinematic viscosity is calculated.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a lubricating oil kinematic viscosity apparatus, includes instrument host computer (11), establishes operation display panel (12) at instrument host computer (11) front side, installs constant temperature bathtub (13) at instrument host computer (11) top surface, installs glass jar (14) at instrument host computer (11) top surface and installs lid (15) at constant temperature bathtub (13) top, its characterized in that: the device also comprises a plurality of measuring holes (21) arranged on the cover body (15), a plurality of fixed chucks (31) arranged on the cover body (15), a capillary viscometer (32) arranged on the fixed chucks (31), a stirring device (41) arranged on the cover body (15) in the middle, a flow guide cover (51) arranged on the bottom surface of the cover body (15), a plurality of clamping plates (52) arranged on the flow guide cover (51) and an electric heating tube (61) detachably connected with the cover body (15);
a closed heat-preservation cavity (71) is defined by the inner wall of the glass jar (14), the outer wall of the constant-temperature bathtub (13) and the bottom surface of the cover body (15);
the bottom of the capillary viscometer (32) is inserted between two adjacent clamping plates (52);
the stirring device (41) comprises a driving motor (411) arranged on the top surface of the cover body (15), a rotating shaft (421) detachably connected with the driving motor (411) and a stirring rod (431) arranged on the rotating shaft (421);
the air guide sleeve (51) is a conical cover body with a narrow upper part and a wide lower part, and air guide holes (511) are uniformly distributed on the air guide sleeve (51);
the rotating shaft (421), the electric heating pipe (61), the air guide sleeve (51), the capillary viscometer (32) and the constant temperature bathtub (13) are sequentially arranged in the glass cylinder (14) from inside to outside.
2. The kinematic viscometer of claim 1, wherein: and a limiting clamp (311) is arranged on the fixed chuck (31).
3. The kinematic viscometer of claim 1, wherein: the rotating shaft (421) is provided with a spiral blade (422).
4. A kinematic viscometer of lubricating oil according to claim 3, characterized in that: the spiral blade (422) is provided with a liquid pushing plate (423).
5. The kinematic viscometer of claim 1, wherein: the stirring rod (431) is provided with a plurality of stirring blades (432).
6. The kinematic viscometer of claim 1 or 5, wherein: the stirring rod (431) is a fork-shaped stirring rod.
7. The kinematic viscometer of claim 1, wherein: the bottom end of the air guide sleeve (51) is provided with a horn-shaped cover body (512),
the diameter of the bottom end of the horn-shaped cover body (512) is larger than the length of the stirring rod (431), and the diameter of the top end of the horn-shaped cover body (512) is smaller than the length of the horn-shaped cover body (512).
8. The kinematic viscometer of claim 7 in which: and a secondary flow guide hole (513) is formed in the horn-shaped cover body (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020116221.6U CN211576873U (en) | 2020-01-16 | 2020-01-16 | Lubricating oil kinematic viscosity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020116221.6U CN211576873U (en) | 2020-01-16 | 2020-01-16 | Lubricating oil kinematic viscosity tester |
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| Publication Number | Publication Date |
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| CN211576873U true CN211576873U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020116221.6U Active CN211576873U (en) | 2020-01-16 | 2020-01-16 | Lubricating oil kinematic viscosity tester |
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| CN (1) | CN211576873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855749A (en) * | 2023-02-24 | 2023-03-28 | 深圳市艾润克润滑科技有限公司 | Viscosity tester for lubricating oil production |
-
2020
- 2020-01-16 CN CN202020116221.6U patent/CN211576873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855749A (en) * | 2023-02-24 | 2023-03-28 | 深圳市艾润克润滑科技有限公司 | Viscosity tester for lubricating oil production |
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